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nstrftime, c-nstrftime tests: Avoid test failures on native Windows.
[gnulib.git] / tests / test-sprintf-posix.h
blob7c545dd34581c440bb5483a69c0fb0aca351352c
1 /* Test of POSIX compatible vsprintf() and sprintf() functions.
2 Copyright (C) 2007-2024 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
18
19 #include "minus-zero.h"
20 #include "infinity.h"
21 #include "nan.h"
22 #include "snan.h"
23
24 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
25 static int
26 have_minus_zero ()
27 {
28 static double plus_zero = 0.0;
29 double minus_zero = minus_zerod;
30 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
31 }
32
33 /* Representation of an 80-bit 'long double' as an initializer for a sequence
34 of 'unsigned int' words. */
35 #ifdef WORDS_BIGENDIAN
36 # define LDBL80_WORDS(exponent,manthi,mantlo) \
37 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
38 ((unsigned int) (manthi) << 16) | ((unsigned int) (mantlo) >> 16), \
39 (unsigned int) (mantlo) << 16 \
40 }
41 #else
42 # define LDBL80_WORDS(exponent,manthi,mantlo) \
43 { mantlo, manthi, exponent }
44 #endif
45
46 static int
47 strmatch (const char *pattern, const char *string)
48 {
49 if (strlen (pattern) != strlen (string))
50 return 0;
51 for (; *pattern != '\0'; pattern++, string++)
52 if (*pattern != '*' && *string != *pattern)
53 return 0;
54 return 1;
55 }
56
57 /* Test whether string[start_index..end_index-1] is a valid textual
58 representation of NaN. */
59 static int
60 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
61 {
62 if (start_index < end_index)
63 {
64 if (string[start_index] == '-')
65 start_index++;
66 if (start_index + 3 <= end_index
67 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
68 {
69 start_index += 3;
70 if (start_index == end_index
71 || (string[start_index] == '(' && string[end_index - 1] == ')'))
72 return 1;
73 }
74 }
75 return 0;
76 }
77
78 static void
79 test_function (int (*my_sprintf) (char *, const char *, ...))
80 {
81 char result[5000];
82 char buf[8];
83
84 /* Test return value convention. */
85
86 {
87 int retval;
88
89 memcpy (buf, "DEADBEEF", 8);
90 retval = my_sprintf (buf, "%d", 12345);
91 ASSERT (retval == 5);
92 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
93 }
94
95 /* Test support of size specifiers as in C99. */
96
97 {
98 int retval =
99 my_sprintf (result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
100 ASSERT (strcmp (result, "12345671 33") == 0);
101 ASSERT (retval == strlen (result));
102 }
103
104 {
105 int retval =
106 my_sprintf (result, "%zu %d", (size_t) 12345672, 33, 44, 55);
107 ASSERT (strcmp (result, "12345672 33") == 0);
108 ASSERT (retval == strlen (result));
109 }
110
111 {
112 int retval =
113 my_sprintf (result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
114 ASSERT (strcmp (result, "12345673 33") == 0);
115 ASSERT (retval == strlen (result));
116 }
117
118 {
119 int retval =
120 my_sprintf (result, "%Lg %d", (long double) 1.5, 33, 44, 55);
121 ASSERT (strcmp (result, "1.5 33") == 0);
122 ASSERT (retval == strlen (result));
123 }
124
125 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
126 output of floating-point numbers. */
127
128 { /* A positive number. */
129 int retval =
130 my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55);
131 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
132 || strcmp (result, "0x3.244p+0 33") == 0
133 || strcmp (result, "0x6.488p-1 33") == 0
134 || strcmp (result, "0xc.91p-2 33") == 0);
135 ASSERT (retval == strlen (result));
136 }
137
138 { /* A negative number. */
139 int retval =
140 my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55);
141 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
142 || strcmp (result, "-0X3.244P+0 33") == 0
143 || strcmp (result, "-0X6.488P-1 33") == 0
144 || strcmp (result, "-0XC.91P-2 33") == 0);
145 ASSERT (retval == strlen (result));
146 }
147
148 { /* Positive zero. */
149 int retval =
150 my_sprintf (result, "%a %d", 0.0, 33, 44, 55);
151 ASSERT (strcmp (result, "0x0p+0 33") == 0);
152 ASSERT (retval == strlen (result));
153 }
154
155 { /* Negative zero. */
156 int retval =
157 my_sprintf (result, "%a %d", minus_zerod, 33, 44, 55);
158 if (have_minus_zero ())
159 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
160 ASSERT (retval == strlen (result));
161 }
162
163 { /* Positive infinity. */
164 int retval =
165 my_sprintf (result, "%a %d", Infinityd (), 33, 44, 55);
166 ASSERT (strcmp (result, "inf 33") == 0);
167 ASSERT (retval == strlen (result));
168 }
169
170 { /* Negative infinity. */
171 int retval =
172 my_sprintf (result, "%a %d", - Infinityd (), 33, 44, 55);
173 ASSERT (strcmp (result, "-inf 33") == 0);
174 ASSERT (retval == strlen (result));
175 }
176
177 { /* NaN. */
178 int retval =
179 my_sprintf (result, "%a %d", NaNd (), 33, 44, 55);
180 ASSERT (strlen (result) >= 3 + 3
181 && strisnan (result, 0, strlen (result) - 3, 0)
182 && strcmp (result + strlen (result) - 3, " 33") == 0);
183 ASSERT (retval == strlen (result));
184 }
185 #if HAVE_SNAND
186 { /* Signalling NaN. */
187 int retval =
188 my_sprintf (result, "%a %d", SNaNd (), 33, 44, 55);
189 ASSERT (strlen (result) >= 3 + 3
190 && strisnan (result, 0, strlen (result) - 3, 0)
191 && strcmp (result + strlen (result) - 3, " 33") == 0);
192 ASSERT (retval == strlen (result));
193 }
194 #endif
195
196 { /* Rounding near the decimal point. */
197 int retval =
198 my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55);
199 ASSERT (strcmp (result, "0x2p+0 33") == 0
200 || strcmp (result, "0x3p-1 33") == 0
201 || strcmp (result, "0x6p-2 33") == 0
202 || strcmp (result, "0xcp-3 33") == 0);
203 ASSERT (retval == strlen (result));
204 }
205
206 { /* Rounding with precision 0. */
207 int retval =
208 my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55);
209 ASSERT (strcmp (result, "0x2p+0 33") == 0
210 || strcmp (result, "0x3p-1 33") == 0
211 || strcmp (result, "0x6p-2 33") == 0
212 || strcmp (result, "0xcp-3 33") == 0);
213 ASSERT (retval == strlen (result));
214 }
215
216 { /* Rounding with precision 1. */
217 int retval =
218 my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55);
219 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
220 || strcmp (result, "0x3.0p-1 33") == 0
221 || strcmp (result, "0x6.1p-2 33") == 0
222 || strcmp (result, "0xc.1p-3 33") == 0);
223 ASSERT (retval == strlen (result));
224 }
225
226 { /* Rounding with precision 2. */
227 int retval =
228 my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55);
229 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
230 || strcmp (result, "0x3.05p-1 33") == 0
231 || strcmp (result, "0x6.0ap-2 33") == 0
232 || strcmp (result, "0xc.14p-3 33") == 0);
233 ASSERT (retval == strlen (result));
234 }
235
236 { /* Rounding with precision 3. */
237 int retval =
238 my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55);
239 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
240 || strcmp (result, "0x3.052p-1 33") == 0
241 || strcmp (result, "0x6.0a4p-2 33") == 0
242 || strcmp (result, "0xc.148p-3 33") == 0);
243 ASSERT (retval == strlen (result));
244 }
245
246 { /* Rounding can turn a ...FFF into a ...000. */
247 int retval =
248 my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55);
249 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
250 || strcmp (result, "0x3.000p-1 33") == 0
251 || strcmp (result, "0x6.000p-2 33") == 0
252 || strcmp (result, "0xc.000p-3 33") == 0);
253 ASSERT (retval == strlen (result));
254 }
255
256 { /* Rounding can turn a ...FFF into a ...000.
257 This shows a Mac OS X 10.3.9 (Darwin 7.9) bug. */
258 int retval =
259 my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55);
260 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
261 || strcmp (result, "0x2.0p+0 33") == 0
262 || strcmp (result, "0x4.0p-1 33") == 0
263 || strcmp (result, "0x8.0p-2 33") == 0);
264 ASSERT (retval == strlen (result));
265 }
266
267 { /* Width. */
268 int retval =
269 my_sprintf (result, "%10a %d", 1.75, 33, 44, 55);
270 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
271 || strcmp (result, " 0x3.8p-1 33") == 0
272 || strcmp (result, " 0x7p-2 33") == 0
273 || strcmp (result, " 0xep-3 33") == 0);
274 ASSERT (retval == strlen (result));
275 }
276
277 { /* Width given as argument. */
278 int retval =
279 my_sprintf (result, "%*a %d", 10, 1.75, 33, 44, 55);
280 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
281 || strcmp (result, " 0x3.8p-1 33") == 0
282 || strcmp (result, " 0x7p-2 33") == 0
283 || strcmp (result, " 0xep-3 33") == 0);
284 ASSERT (retval == strlen (result));
285 }
286
287 { /* Negative width given as argument (cf. FLAG_LEFT below). */
288 int retval =
289 my_sprintf (result, "%*a %d", -10, 1.75, 33, 44, 55);
290 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
291 || strcmp (result, "0x3.8p-1 33") == 0
292 || strcmp (result, "0x7p-2 33") == 0
293 || strcmp (result, "0xep-3 33") == 0);
294 ASSERT (retval == strlen (result));
295 }
296
297 { /* Small precision. */
298 int retval =
299 my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55);
300 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
301 || strcmp (result, "0x3.8000000000p-1 33") == 0
302 || strcmp (result, "0x7.0000000000p-2 33") == 0
303 || strcmp (result, "0xe.0000000000p-3 33") == 0);
304 ASSERT (retval == strlen (result));
305 }
306
307 { /* Large precision. */
308 int retval =
309 my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55);
310 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
311 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
312 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
313 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
314 ASSERT (retval == strlen (result));
315 }
316
317 { /* FLAG_LEFT. */
318 int retval =
319 my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55);
320 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
321 || strcmp (result, "0x3.8p-1 33") == 0
322 || strcmp (result, "0x7p-2 33") == 0
323 || strcmp (result, "0xep-3 33") == 0);
324 ASSERT (retval == strlen (result));
325 }
326
327 { /* FLAG_SHOWSIGN. */
328 int retval =
329 my_sprintf (result, "%+a %d", 1.75, 33, 44, 55);
330 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
331 || strcmp (result, "+0x3.8p-1 33") == 0
332 || strcmp (result, "+0x7p-2 33") == 0
333 || strcmp (result, "+0xep-3 33") == 0);
334 ASSERT (retval == strlen (result));
335 }
336
337 { /* FLAG_SPACE. */
338 int retval =
339 my_sprintf (result, "% a %d", 1.75, 33, 44, 55);
340 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
341 || strcmp (result, " 0x3.8p-1 33") == 0
342 || strcmp (result, " 0x7p-2 33") == 0
343 || strcmp (result, " 0xep-3 33") == 0);
344 ASSERT (retval == strlen (result));
345 }
346
347 { /* FLAG_ALT. */
348 int retval =
349 my_sprintf (result, "%#a %d", 1.75, 33, 44, 55);
350 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
351 || strcmp (result, "0x3.8p-1 33") == 0
352 || strcmp (result, "0x7.p-2 33") == 0
353 || strcmp (result, "0xe.p-3 33") == 0);
354 ASSERT (retval == strlen (result));
355 }
356
357 { /* FLAG_ALT. */
358 int retval =
359 my_sprintf (result, "%#a %d", 1.0, 33, 44, 55);
360 ASSERT (strcmp (result, "0x1.p+0 33") == 0
361 || strcmp (result, "0x2.p-1 33") == 0
362 || strcmp (result, "0x4.p-2 33") == 0
363 || strcmp (result, "0x8.p-3 33") == 0);
364 ASSERT (retval == strlen (result));
365 }
366
367 { /* FLAG_ZERO with finite number. */
368 int retval =
369 my_sprintf (result, "%010a %d", 1.75, 33, 44, 55);
370 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
371 || strcmp (result, "0x003.8p-1 33") == 0
372 || strcmp (result, "0x00007p-2 33") == 0
373 || strcmp (result, "0x0000ep-3 33") == 0);
374 ASSERT (retval == strlen (result));
375 }
376
377 { /* FLAG_ZERO with infinite number. */
378 int retval =
379 my_sprintf (result, "%010a %d", Infinityd (), 33, 44, 55);
380 /* "0000000inf 33" is not a valid result; see
381 <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */
382 ASSERT (strcmp (result, " inf 33") == 0);
383 ASSERT (retval == strlen (result));
384 }
385
386 { /* FLAG_ZERO with NaN. */
387 int retval =
388 my_sprintf (result, "%050a %d", NaNd (), 33, 44, 55);
389 /* "0000000nan 33" is not a valid result; see
390 <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */
391 ASSERT (strlen (result) == 50 + 3
392 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
393 && strcmp (result + strlen (result) - 3, " 33") == 0);
394 ASSERT (retval == strlen (result));
395 }
396
397 { /* A positive number. */
398 int retval =
399 my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55);
400 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
401 || strcmp (result, "0x3.244p+0 33") == 0
402 || strcmp (result, "0x6.488p-1 33") == 0
403 || strcmp (result, "0xc.91p-2 33") == 0);
404 ASSERT (retval == strlen (result));
405 }
406
407 { /* A negative number. */
408 int retval =
409 my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55);
410 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
411 || strcmp (result, "-0X3.244P+0 33") == 0
412 || strcmp (result, "-0X6.488P-1 33") == 0
413 || strcmp (result, "-0XC.91P-2 33") == 0);
414 ASSERT (retval == strlen (result));
415 }
416
417 { /* Positive zero. */
418 int retval =
419 my_sprintf (result, "%La %d", 0.0L, 33, 44, 55);
420 ASSERT (strcmp (result, "0x0p+0 33") == 0);
421 ASSERT (retval == strlen (result));
422 }
423
424 { /* Negative zero. */
425 int retval =
426 my_sprintf (result, "%La %d", minus_zerol, 33, 44, 55);
427 if (have_minus_zero ())
428 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
429 ASSERT (retval == strlen (result));
430 }
431
432 { /* Positive infinity. */
433 int retval =
434 my_sprintf (result, "%La %d", Infinityl (), 33, 44, 55);
435 /* Note: This assertion fails under valgrind.
436 Reported at <https://bugs.kde.org/show_bug.cgi?id=424044>. */
437 ASSERT (strcmp (result, "inf 33") == 0);
438 ASSERT (retval == strlen (result));
439 }
440
441 { /* Negative infinity. */
442 int retval =
443 my_sprintf (result, "%La %d", - Infinityl (), 33, 44, 55);
444 ASSERT (strcmp (result, "-inf 33") == 0);
445 ASSERT (retval == strlen (result));
446 }
447
448 { /* NaN. */
449 int retval =
450 my_sprintf (result, "%La %d", NaNl (), 33, 44, 55);
451 ASSERT (strlen (result) >= 3 + 3
452 && strisnan (result, 0, strlen (result) - 3, 0)
453 && strcmp (result + strlen (result) - 3, " 33") == 0);
454 ASSERT (retval == strlen (result));
455 }
456 #if HAVE_SNANL
457 { /* Signalling NaN. */
458 int retval =
459 my_sprintf (result, "%La %d", SNaNl (), 33, 44, 55);
460 ASSERT (strlen (result) >= 3 + 3
461 && strisnan (result, 0, strlen (result) - 3, 0)
462 && strcmp (result + strlen (result) - 3, " 33") == 0);
463 ASSERT (retval == strlen (result));
464 }
465 #endif
466 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
467 { /* Quiet NaN. */
468 static union { unsigned int word[4]; long double value; } x =
469 { .word = LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
470 int retval =
471 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
472 ASSERT (strlen (result) >= 3 + 3
473 && strisnan (result, 0, strlen (result) - 3, 0)
474 && strcmp (result + strlen (result) - 3, " 33") == 0);
475 ASSERT (retval == strlen (result));
476 }
477 {
478 /* Signalling NaN. */
479 static union { unsigned int word[4]; long double value; } x =
480 { .word = LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
481 int retval =
482 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
483 ASSERT (strlen (result) >= 3 + 3
484 && strisnan (result, 0, strlen (result) - 3, 0)
485 && strcmp (result + strlen (result) - 3, " 33") == 0);
486 ASSERT (retval == strlen (result));
487 }
488 /* sprintf should print something for noncanonical values. */
489 { /* Pseudo-NaN. */
490 static union { unsigned int word[4]; long double value; } x =
491 { .word = LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
492 int retval =
493 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
494 ASSERT (retval == strlen (result));
495 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
496 }
497 { /* Pseudo-Infinity. */
498 static union { unsigned int word[4]; long double value; } x =
499 { .word = LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
500 int retval =
501 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
502 ASSERT (retval == strlen (result));
503 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
504 }
505 { /* Pseudo-Zero. */
506 static union { unsigned int word[4]; long double value; } x =
507 { .word = LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
508 int retval =
509 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
510 ASSERT (retval == strlen (result));
511 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
512 }
513 { /* Unnormalized number. */
514 static union { unsigned int word[4]; long double value; } x =
515 { .word = LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
516 int retval =
517 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
518 ASSERT (retval == strlen (result));
519 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
520 }
521 { /* Pseudo-Denormal. */
522 static union { unsigned int word[4]; long double value; } x =
523 { .word = LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
524 int retval =
525 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
526 ASSERT (retval == strlen (result));
527 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
528 }
529 #endif
530
531 { /* Rounding near the decimal point. */
532 int retval =
533 my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55);
534 ASSERT (strcmp (result, "0x2p+0 33") == 0
535 || strcmp (result, "0x3p-1 33") == 0
536 || strcmp (result, "0x6p-2 33") == 0
537 || strcmp (result, "0xcp-3 33") == 0);
538 ASSERT (retval == strlen (result));
539 }
540
541 { /* Rounding with precision 0. */
542 int retval =
543 my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55);
544 ASSERT (strcmp (result, "0x2p+0 33") == 0
545 || strcmp (result, "0x3p-1 33") == 0
546 || strcmp (result, "0x6p-2 33") == 0
547 || strcmp (result, "0xcp-3 33") == 0);
548 ASSERT (retval == strlen (result));
549 }
550
551 { /* Rounding with precision 1. */
552 int retval =
553 my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55);
554 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
555 || strcmp (result, "0x3.0p-1 33") == 0
556 || strcmp (result, "0x6.1p-2 33") == 0
557 || strcmp (result, "0xc.1p-3 33") == 0);
558 ASSERT (retval == strlen (result));
559 }
560
561 { /* Rounding with precision 2. */
562 int retval =
563 my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55);
564 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
565 || strcmp (result, "0x3.05p-1 33") == 0
566 || strcmp (result, "0x6.0ap-2 33") == 0
567 || strcmp (result, "0xc.14p-3 33") == 0);
568 ASSERT (retval == strlen (result));
569 }
570
571 { /* Rounding with precision 3. */
572 int retval =
573 my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55);
574 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
575 || strcmp (result, "0x3.052p-1 33") == 0
576 || strcmp (result, "0x6.0a4p-2 33") == 0
577 || strcmp (result, "0xc.148p-3 33") == 0);
578 ASSERT (retval == strlen (result));
579 }
580
581 { /* Rounding can turn a ...FFF into a ...000. */
582 int retval =
583 my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55);
584 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
585 || strcmp (result, "0x3.000p-1 33") == 0
586 || strcmp (result, "0x6.000p-2 33") == 0
587 || strcmp (result, "0xc.000p-3 33") == 0);
588 ASSERT (retval == strlen (result));
589 }
590
591 { /* Rounding can turn a ...FFF into a ...000.
592 This shows a Mac OS X 10.3.9 (Darwin 7.9) bug and a
593 glibc 2.4 bug <https://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
594 int retval =
595 my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55);
596 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
597 || strcmp (result, "0x2.0p+0 33") == 0
598 || strcmp (result, "0x4.0p-1 33") == 0
599 || strcmp (result, "0x8.0p-2 33") == 0);
600 ASSERT (retval == strlen (result));
601 }
602
603 { /* Width. */
604 int retval =
605 my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55);
606 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
607 || strcmp (result, " 0x3.8p-1 33") == 0
608 || strcmp (result, " 0x7p-2 33") == 0
609 || strcmp (result, " 0xep-3 33") == 0);
610 ASSERT (retval == strlen (result));
611 }
612
613 { /* Width given as argument. */
614 int retval =
615 my_sprintf (result, "%*La %d", 10, 1.75L, 33, 44, 55);
616 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
617 || strcmp (result, " 0x3.8p-1 33") == 0
618 || strcmp (result, " 0x7p-2 33") == 0
619 || strcmp (result, " 0xep-3 33") == 0);
620 ASSERT (retval == strlen (result));
621 }
622
623 { /* Negative width given as argument (cf. FLAG_LEFT below). */
624 int retval =
625 my_sprintf (result, "%*La %d", -10, 1.75L, 33, 44, 55);
626 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
627 || strcmp (result, "0x3.8p-1 33") == 0
628 || strcmp (result, "0x7p-2 33") == 0
629 || strcmp (result, "0xep-3 33") == 0);
630 ASSERT (retval == strlen (result));
631 }
632
633 { /* Small precision. */
634 int retval =
635 my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55);
636 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
637 || strcmp (result, "0x3.8000000000p-1 33") == 0
638 || strcmp (result, "0x7.0000000000p-2 33") == 0
639 || strcmp (result, "0xe.0000000000p-3 33") == 0);
640 ASSERT (retval == strlen (result));
641 }
642
643 { /* Large precision. */
644 int retval =
645 my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55);
646 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
647 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
648 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
649 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
650 ASSERT (retval == strlen (result));
651 }
652
653 { /* FLAG_LEFT. */
654 int retval =
655 my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55);
656 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
657 || strcmp (result, "0x3.8p-1 33") == 0
658 || strcmp (result, "0x7p-2 33") == 0
659 || strcmp (result, "0xep-3 33") == 0);
660 ASSERT (retval == strlen (result));
661 }
662
663 { /* FLAG_SHOWSIGN. */
664 int retval =
665 my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55);
666 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
667 || strcmp (result, "+0x3.8p-1 33") == 0
668 || strcmp (result, "+0x7p-2 33") == 0
669 || strcmp (result, "+0xep-3 33") == 0);
670 ASSERT (retval == strlen (result));
671 }
672
673 { /* FLAG_SPACE. */
674 int retval =
675 my_sprintf (result, "% La %d", 1.75L, 33, 44, 55);
676 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
677 || strcmp (result, " 0x3.8p-1 33") == 0
678 || strcmp (result, " 0x7p-2 33") == 0
679 || strcmp (result, " 0xep-3 33") == 0);
680 ASSERT (retval == strlen (result));
681 }
682
683 { /* FLAG_ALT. */
684 int retval =
685 my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55);
686 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
687 || strcmp (result, "0x3.8p-1 33") == 0
688 || strcmp (result, "0x7.p-2 33") == 0
689 || strcmp (result, "0xe.p-3 33") == 0);
690 ASSERT (retval == strlen (result));
691 }
692
693 { /* FLAG_ALT. */
694 int retval =
695 my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55);
696 ASSERT (strcmp (result, "0x1.p+0 33") == 0
697 || strcmp (result, "0x2.p-1 33") == 0
698 || strcmp (result, "0x4.p-2 33") == 0
699 || strcmp (result, "0x8.p-3 33") == 0);
700 ASSERT (retval == strlen (result));
701 }
702
703 { /* FLAG_ZERO with finite number. */
704 int retval =
705 my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55);
706 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
707 || strcmp (result, "0x003.8p-1 33") == 0
708 || strcmp (result, "0x00007p-2 33") == 0
709 || strcmp (result, "0x0000ep-3 33") == 0);
710 ASSERT (retval == strlen (result));
711 }
712
713 { /* FLAG_ZERO with infinite number. */
714 int retval =
715 my_sprintf (result, "%010La %d", Infinityl (), 33, 44, 55);
716 /* "0000000inf 33" is not a valid result; see
717 <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */
718 ASSERT (strcmp (result, " inf 33") == 0);
719 ASSERT (retval == strlen (result));
720 }
721
722 { /* FLAG_ZERO with NaN. */
723 int retval =
724 my_sprintf (result, "%050La %d", NaNl (), 33, 44, 55);
725 /* "0000000nan 33" is not a valid result; see
726 <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */
727 ASSERT (strlen (result) == 50 + 3
728 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
729 && strcmp (result + strlen (result) - 3, " 33") == 0);
730 ASSERT (retval == strlen (result));
731 }
732
733 /* Test the support of the %f format directive. */
734
735 { /* A positive number. */
736 int retval =
737 my_sprintf (result, "%f %d", 12.75, 33, 44, 55);
738 ASSERT (strcmp (result, "12.750000 33") == 0);
739 ASSERT (retval == strlen (result));
740 }
741
742 { /* A larger positive number. */
743 int retval =
744 my_sprintf (result, "%f %d", 1234567.0, 33, 44, 55);
745 ASSERT (strcmp (result, "1234567.000000 33") == 0);
746 ASSERT (retval == strlen (result));
747 }
748
749 { /* Small and large positive numbers. */
750 static struct { double value; const char *string; } data[] =
751 {
752 { 1.234321234321234e-37, "0.000000" },
753 { 1.234321234321234e-36, "0.000000" },
754 { 1.234321234321234e-35, "0.000000" },
755 { 1.234321234321234e-34, "0.000000" },
756 { 1.234321234321234e-33, "0.000000" },
757 { 1.234321234321234e-32, "0.000000" },
758 { 1.234321234321234e-31, "0.000000" },
759 { 1.234321234321234e-30, "0.000000" },
760 { 1.234321234321234e-29, "0.000000" },
761 { 1.234321234321234e-28, "0.000000" },
762 { 1.234321234321234e-27, "0.000000" },
763 { 1.234321234321234e-26, "0.000000" },
764 { 1.234321234321234e-25, "0.000000" },
765 { 1.234321234321234e-24, "0.000000" },
766 { 1.234321234321234e-23, "0.000000" },
767 { 1.234321234321234e-22, "0.000000" },
768 { 1.234321234321234e-21, "0.000000" },
769 { 1.234321234321234e-20, "0.000000" },
770 { 1.234321234321234e-19, "0.000000" },
771 { 1.234321234321234e-18, "0.000000" },
772 { 1.234321234321234e-17, "0.000000" },
773 { 1.234321234321234e-16, "0.000000" },
774 { 1.234321234321234e-15, "0.000000" },
775 { 1.234321234321234e-14, "0.000000" },
776 { 1.234321234321234e-13, "0.000000" },
777 { 1.234321234321234e-12, "0.000000" },
778 { 1.234321234321234e-11, "0.000000" },
779 { 1.234321234321234e-10, "0.000000" },
780 { 1.234321234321234e-9, "0.000000" },
781 { 1.234321234321234e-8, "0.000000" },
782 { 1.234321234321234e-7, "0.000000" },
783 { 1.234321234321234e-6, "0.000001" },
784 { 1.234321234321234e-5, "0.000012" },
785 { 1.234321234321234e-4, "0.000123" },
786 { 1.234321234321234e-3, "0.001234" },
787 { 1.234321234321234e-2, "0.012343" },
788 { 1.234321234321234e-1, "0.123432" },
789 { 1.234321234321234, "1.234321" },
790 { 1.234321234321234e1, "12.343212" },
791 { 1.234321234321234e2, "123.432123" },
792 { 1.234321234321234e3, "1234.321234" },
793 { 1.234321234321234e4, "12343.212343" },
794 { 1.234321234321234e5, "123432.123432" },
795 { 1.234321234321234e6, "1234321.234321" },
796 { 1.234321234321234e7, "12343212.343212" },
797 { 1.234321234321234e8, "123432123.432123" },
798 { 1.234321234321234e9, "1234321234.321234" },
799 { 1.234321234321234e10, "12343212343.2123**" },
800 { 1.234321234321234e11, "123432123432.123***" },
801 { 1.234321234321234e12, "1234321234321.23****" },
802 { 1.234321234321234e13, "12343212343212.3*****" },
803 { 1.234321234321234e14, "123432123432123.******" },
804 { 1.234321234321234e15, "1234321234321234.000000" },
805 { 1.234321234321234e16, "123432123432123**.000000" },
806 { 1.234321234321234e17, "123432123432123***.000000" },
807 { 1.234321234321234e18, "123432123432123****.000000" },
808 { 1.234321234321234e19, "123432123432123*****.000000" },
809 { 1.234321234321234e20, "123432123432123******.000000" },
810 { 1.234321234321234e21, "123432123432123*******.000000" },
811 { 1.234321234321234e22, "123432123432123********.000000" },
812 { 1.234321234321234e23, "123432123432123*********.000000" },
813 { 1.234321234321234e24, "123432123432123**********.000000" },
814 { 1.234321234321234e25, "123432123432123***********.000000" },
815 { 1.234321234321234e26, "123432123432123************.000000" },
816 { 1.234321234321234e27, "123432123432123*************.000000" },
817 { 1.234321234321234e28, "123432123432123**************.000000" },
818 { 1.234321234321234e29, "123432123432123***************.000000" },
819 { 1.234321234321234e30, "123432123432123****************.000000" },
820 { 1.234321234321234e31, "123432123432123*****************.000000" },
821 { 1.234321234321234e32, "123432123432123******************.000000" },
822 { 1.234321234321234e33, "123432123432123*******************.000000" },
823 { 1.234321234321234e34, "123432123432123********************.000000" },
824 { 1.234321234321234e35, "123432123432123*********************.000000" },
825 { 1.234321234321234e36, "123432123432123**********************.000000" }
826 };
827 size_t k;
828 for (k = 0; k < SIZEOF (data); k++)
829 {
830 int retval =
831 my_sprintf (result, "%f", data[k].value);
832 ASSERT (strmatch (data[k].string, result));
833 ASSERT (retval == strlen (result));
834 }
835 }
836
837 { /* A negative number. */
838 int retval =
839 my_sprintf (result, "%f %d", -0.03125, 33, 44, 55);
840 ASSERT (strcmp (result, "-0.031250 33") == 0);
841 ASSERT (retval == strlen (result));
842 }
843
844 { /* Positive zero. */
845 int retval =
846 my_sprintf (result, "%f %d", 0.0, 33, 44, 55);
847 ASSERT (strcmp (result, "0.000000 33") == 0);
848 ASSERT (retval == strlen (result));
849 }
850
851 { /* Negative zero. */
852 int retval =
853 my_sprintf (result, "%f %d", minus_zerod, 33, 44, 55);
854 if (have_minus_zero ())
855 ASSERT (strcmp (result, "-0.000000 33") == 0);
856 ASSERT (retval == strlen (result));
857 }
858
859 { /* Positive infinity. */
860 int retval =
861 my_sprintf (result, "%f %d", Infinityd (), 33, 44, 55);
862 ASSERT (strcmp (result, "inf 33") == 0
863 || strcmp (result, "infinity 33") == 0);
864 ASSERT (retval == strlen (result));
865 }
866
867 { /* Negative infinity. */
868 int retval =
869 my_sprintf (result, "%f %d", - Infinityd (), 33, 44, 55);
870 ASSERT (strcmp (result, "-inf 33") == 0
871 || strcmp (result, "-infinity 33") == 0);
872 ASSERT (retval == strlen (result));
873 }
874
875 { /* NaN. */
876 int retval =
877 my_sprintf (result, "%f %d", NaNd (), 33, 44, 55);
878 ASSERT (strlen (result) >= 3 + 3
879 && strisnan (result, 0, strlen (result) - 3, 0)
880 && strcmp (result + strlen (result) - 3, " 33") == 0);
881 ASSERT (retval == strlen (result));
882 }
883 #if HAVE_SNAND
884 { /* Signalling NaN. */
885 int retval =
886 my_sprintf (result, "%f %d", SNaNd (), 33, 44, 55);
887 ASSERT (strlen (result) >= 3 + 3
888 && strisnan (result, 0, strlen (result) - 3, 0)
889 && strcmp (result + strlen (result) - 3, " 33") == 0);
890 ASSERT (retval == strlen (result));
891 }
892 #endif
893
894 { /* Width. */
895 int retval =
896 my_sprintf (result, "%10f %d", 1.75, 33, 44, 55);
897 ASSERT (strcmp (result, " 1.750000 33") == 0);
898 ASSERT (retval == strlen (result));
899 }
900
901 { /* Width given as argument. */
902 int retval =
903 my_sprintf (result, "%*f %d", 10, 1.75, 33, 44, 55);
904 ASSERT (strcmp (result, " 1.750000 33") == 0);
905 ASSERT (retval == strlen (result));
906 }
907
908 { /* Negative width given as argument (cf. FLAG_LEFT below). */
909 int retval =
910 my_sprintf (result, "%*f %d", -10, 1.75, 33, 44, 55);
911 ASSERT (strcmp (result, "1.750000 33") == 0);
912 ASSERT (retval == strlen (result));
913 }
914
915 { /* FLAG_LEFT. */
916 int retval =
917 my_sprintf (result, "%-10f %d", 1.75, 33, 44, 55);
918 ASSERT (strcmp (result, "1.750000 33") == 0);
919 ASSERT (retval == strlen (result));
920 }
921
922 { /* FLAG_SHOWSIGN. */
923 int retval =
924 my_sprintf (result, "%+f %d", 1.75, 33, 44, 55);
925 ASSERT (strcmp (result, "+1.750000 33") == 0);
926 ASSERT (retval == strlen (result));
927 }
928
929 { /* FLAG_SPACE. */
930 int retval =
931 my_sprintf (result, "% f %d", 1.75, 33, 44, 55);
932 ASSERT (strcmp (result, " 1.750000 33") == 0);
933 ASSERT (retval == strlen (result));
934 }
935
936 { /* FLAG_ALT. */
937 int retval =
938 my_sprintf (result, "%#f %d", 1.75, 33, 44, 55);
939 ASSERT (strcmp (result, "1.750000 33") == 0);
940 ASSERT (retval == strlen (result));
941 }
942
943 { /* FLAG_ALT. */
944 int retval =
945 my_sprintf (result, "%#.f %d", 1.75, 33, 44, 55);
946 ASSERT (strcmp (result, "2. 33") == 0);
947 ASSERT (retval == strlen (result));
948 }
949
950 { /* FLAG_ZERO with finite number. */
951 int retval =
952 my_sprintf (result, "%015f %d", 1234.0, 33, 44, 55);
953 ASSERT (strcmp (result, "00001234.000000 33") == 0);
954 ASSERT (retval == strlen (result));
955 }
956
957 { /* FLAG_ZERO with infinite number. */
958 int retval =
959 my_sprintf (result, "%015f %d", - Infinityd (), 33, 44, 55);
960 ASSERT (strcmp (result, " -inf 33") == 0
961 || strcmp (result, " -infinity 33") == 0);
962 ASSERT (retval == strlen (result));
963 }
964
965 { /* FLAG_ZERO with NaN. */
966 int retval =
967 my_sprintf (result, "%050f %d", NaNd (), 33, 44, 55);
968 ASSERT (strlen (result) == 50 + 3
969 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
970 && strcmp (result + strlen (result) - 3, " 33") == 0);
971 ASSERT (retval == strlen (result));
972 }
973
974 { /* Precision. */
975 int retval =
976 my_sprintf (result, "%.f %d", 1234.0, 33, 44, 55);
977 ASSERT (strcmp (result, "1234 33") == 0);
978 ASSERT (retval == strlen (result));
979 }
980
981 { /* Precision with no rounding. */
982 int retval =
983 my_sprintf (result, "%.2f %d", 999.951, 33, 44, 55);
984 ASSERT (strcmp (result, "999.95 33") == 0);
985 ASSERT (retval == strlen (result));
986 }
987
988 { /* Precision with rounding. */
989 int retval =
990 my_sprintf (result, "%.2f %d", 999.996, 33, 44, 55);
991 ASSERT (strcmp (result, "1000.00 33") == 0);
992 ASSERT (retval == strlen (result));
993 }
994
995 { /* A positive number. */
996 int retval =
997 my_sprintf (result, "%Lf %d", 12.75L, 33, 44, 55);
998 ASSERT (strcmp (result, "12.750000 33") == 0);
999 ASSERT (retval == strlen (result));
1000 }
1001
1002 { /* A larger positive number. */
1003 int retval =
1004 my_sprintf (result, "%Lf %d", 1234567.0L, 33, 44, 55);
1005 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1006 ASSERT (retval == strlen (result));
1007 }
1008
1009 { /* Small and large positive numbers. */
1010 static struct { long double value; const char *string; } data[] =
1011 {
1012 { 1.234321234321234e-37L, "0.000000" },
1013 { 1.234321234321234e-36L, "0.000000" },
1014 { 1.234321234321234e-35L, "0.000000" },
1015 { 1.234321234321234e-34L, "0.000000" },
1016 { 1.234321234321234e-33L, "0.000000" },
1017 { 1.234321234321234e-32L, "0.000000" },
1018 { 1.234321234321234e-31L, "0.000000" },
1019 { 1.234321234321234e-30L, "0.000000" },
1020 { 1.234321234321234e-29L, "0.000000" },
1021 { 1.234321234321234e-28L, "0.000000" },
1022 { 1.234321234321234e-27L, "0.000000" },
1023 { 1.234321234321234e-26L, "0.000000" },
1024 { 1.234321234321234e-25L, "0.000000" },
1025 { 1.234321234321234e-24L, "0.000000" },
1026 { 1.234321234321234e-23L, "0.000000" },
1027 { 1.234321234321234e-22L, "0.000000" },
1028 { 1.234321234321234e-21L, "0.000000" },
1029 { 1.234321234321234e-20L, "0.000000" },
1030 { 1.234321234321234e-19L, "0.000000" },
1031 { 1.234321234321234e-18L, "0.000000" },
1032 { 1.234321234321234e-17L, "0.000000" },
1033 { 1.234321234321234e-16L, "0.000000" },
1034 { 1.234321234321234e-15L, "0.000000" },
1035 { 1.234321234321234e-14L, "0.000000" },
1036 { 1.234321234321234e-13L, "0.000000" },
1037 { 1.234321234321234e-12L, "0.000000" },
1038 { 1.234321234321234e-11L, "0.000000" },
1039 { 1.234321234321234e-10L, "0.000000" },
1040 { 1.234321234321234e-9L, "0.000000" },
1041 { 1.234321234321234e-8L, "0.000000" },
1042 { 1.234321234321234e-7L, "0.000000" },
1043 { 1.234321234321234e-6L, "0.000001" },
1044 { 1.234321234321234e-5L, "0.000012" },
1045 { 1.234321234321234e-4L, "0.000123" },
1046 { 1.234321234321234e-3L, "0.001234" },
1047 { 1.234321234321234e-2L, "0.012343" },
1048 { 1.234321234321234e-1L, "0.123432" },
1049 { 1.234321234321234L, "1.234321" },
1050 { 1.234321234321234e1L, "12.343212" },
1051 { 1.234321234321234e2L, "123.432123" },
1052 { 1.234321234321234e3L, "1234.321234" },
1053 { 1.234321234321234e4L, "12343.212343" },
1054 { 1.234321234321234e5L, "123432.123432" },
1055 { 1.234321234321234e6L, "1234321.234321" },
1056 { 1.234321234321234e7L, "12343212.343212" },
1057 { 1.234321234321234e8L, "123432123.432123" },
1058 { 1.234321234321234e9L, "1234321234.321234" },
1059 { 1.234321234321234e10L, "12343212343.2123**" },
1060 { 1.234321234321234e11L, "123432123432.123***" },
1061 { 1.234321234321234e12L, "1234321234321.23****" },
1062 { 1.234321234321234e13L, "12343212343212.3*****" },
1063 { 1.234321234321234e14L, "123432123432123.******" },
1064 { 1.234321234321234e15L, "1234321234321234.000000" },
1065 { 1.234321234321234e16L, "123432123432123**.000000" },
1066 { 1.234321234321234e17L, "123432123432123***.000000" },
1067 { 1.234321234321234e18L, "123432123432123****.000000" },
1068 { 1.234321234321234e19L, "123432123432123*****.000000" },
1069 { 1.234321234321234e20L, "123432123432123******.000000" },
1070 { 1.234321234321234e21L, "123432123432123*******.000000" },
1071 { 1.234321234321234e22L, "123432123432123********.000000" },
1072 { 1.234321234321234e23L, "123432123432123*********.000000" },
1073 { 1.234321234321234e24L, "123432123432123**********.000000" },
1074 { 1.234321234321234e25L, "123432123432123***********.000000" },
1075 { 1.234321234321234e26L, "123432123432123************.000000" },
1076 { 1.234321234321234e27L, "123432123432123*************.000000" },
1077 { 1.234321234321234e28L, "123432123432123**************.000000" },
1078 { 1.234321234321234e29L, "123432123432123***************.000000" },
1079 { 1.234321234321234e30L, "123432123432123****************.000000" },
1080 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1081 { 1.234321234321234e32L, "123432123432123******************.000000" },
1082 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1083 { 1.234321234321234e34L, "123432123432123********************.000000" },
1084 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1085 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1086 };
1087 size_t k;
1088 for (k = 0; k < SIZEOF (data); k++)
1089 {
1090 int retval =
1091 my_sprintf (result, "%Lf", data[k].value);
1092 ASSERT (strmatch (data[k].string, result));
1093 ASSERT (retval == strlen (result));
1094 }
1095 }
1096
1097 { /* A negative number. */
1098 int retval =
1099 my_sprintf (result, "%Lf %d", -0.03125L, 33, 44, 55);
1100 ASSERT (strcmp (result, "-0.031250 33") == 0);
1101 ASSERT (retval == strlen (result));
1102 }
1103
1104 { /* Positive zero. */
1105 int retval =
1106 my_sprintf (result, "%Lf %d", 0.0L, 33, 44, 55);
1107 ASSERT (strcmp (result, "0.000000 33") == 0);
1108 ASSERT (retval == strlen (result));
1109 }
1110
1111 { /* Negative zero. */
1112 int retval =
1113 my_sprintf (result, "%Lf %d", minus_zerol, 33, 44, 55);
1114 if (have_minus_zero ())
1115 ASSERT (strcmp (result, "-0.000000 33") == 0);
1116 ASSERT (retval == strlen (result));
1117 }
1118
1119 { /* Positive infinity. */
1120 int retval =
1121 my_sprintf (result, "%Lf %d", Infinityl (), 33, 44, 55);
1122 ASSERT (strcmp (result, "inf 33") == 0
1123 || strcmp (result, "infinity 33") == 0);
1124 ASSERT (retval == strlen (result));
1125 }
1126
1127 { /* Negative infinity. */
1128 int retval =
1129 my_sprintf (result, "%Lf %d", - Infinityl (), 33, 44, 55);
1130 ASSERT (strcmp (result, "-inf 33") == 0
1131 || strcmp (result, "-infinity 33") == 0);
1132 ASSERT (retval == strlen (result));
1133 }
1134
1135 { /* NaN. */
1136 int retval =
1137 my_sprintf (result, "%Lf %d", NaNl (), 33, 44, 55);
1138 ASSERT (strlen (result) >= 3 + 3
1139 && strisnan (result, 0, strlen (result) - 3, 0)
1140 && strcmp (result + strlen (result) - 3, " 33") == 0);
1141 ASSERT (retval == strlen (result));
1142 }
1143 #if HAVE_SNANL
1144 { /* Signalling NaN. */
1145 int retval =
1146 my_sprintf (result, "%Lf %d", SNaNl (), 33, 44, 55);
1147 ASSERT (strlen (result) >= 3 + 3
1148 && strisnan (result, 0, strlen (result) - 3, 0)
1149 && strcmp (result + strlen (result) - 3, " 33") == 0);
1150 ASSERT (retval == strlen (result));
1151 }
1152 #endif
1153 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
1154 { /* Quiet NaN. */
1155 static union { unsigned int word[4]; long double value; } x =
1156 { .word = LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1157 int retval =
1158 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1159 ASSERT (strlen (result) >= 3 + 3
1160 && strisnan (result, 0, strlen (result) - 3, 0)
1161 && strcmp (result + strlen (result) - 3, " 33") == 0);
1162 ASSERT (retval == strlen (result));
1163 }
1164 {
1165 /* Signalling NaN. */
1166 static union { unsigned int word[4]; long double value; } x =
1167 { .word = LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1168 int retval =
1169 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1170 ASSERT (strlen (result) >= 3 + 3
1171 && strisnan (result, 0, strlen (result) - 3, 0)
1172 && strcmp (result + strlen (result) - 3, " 33") == 0);
1173 ASSERT (retval == strlen (result));
1174 }
1175 /* sprintf should print something for noncanonical values. */
1176 { /* Pseudo-NaN. */
1177 static union { unsigned int word[4]; long double value; } x =
1178 { .word = LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1179 int retval =
1180 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1181 ASSERT (retval == strlen (result));
1182 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1183 }
1184 { /* Pseudo-Infinity. */
1185 static union { unsigned int word[4]; long double value; } x =
1186 { .word = LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1187 int retval =
1188 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1189 ASSERT (retval == strlen (result));
1190 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1191 }
1192 { /* Pseudo-Zero. */
1193 static union { unsigned int word[4]; long double value; } x =
1194 { .word = LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1195 int retval =
1196 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1197 ASSERT (retval == strlen (result));
1198 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1199 }
1200 { /* Unnormalized number. */
1201 static union { unsigned int word[4]; long double value; } x =
1202 { .word = LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1203 int retval =
1204 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1205 ASSERT (retval == strlen (result));
1206 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1207 }
1208 { /* Pseudo-Denormal. */
1209 static union { unsigned int word[4]; long double value; } x =
1210 { .word = LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1211 int retval =
1212 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1213 ASSERT (retval == strlen (result));
1214 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1215 }
1216 #endif
1217
1218 { /* Width. */
1219 int retval =
1220 my_sprintf (result, "%10Lf %d", 1.75L, 33, 44, 55);
1221 ASSERT (strcmp (result, " 1.750000 33") == 0);
1222 ASSERT (retval == strlen (result));
1223 }
1224
1225 { /* Width given as argument. */
1226 int retval =
1227 my_sprintf (result, "%*Lf %d", 10, 1.75L, 33, 44, 55);
1228 ASSERT (strcmp (result, " 1.750000 33") == 0);
1229 ASSERT (retval == strlen (result));
1230 }
1231
1232 { /* Negative width given as argument (cf. FLAG_LEFT below). */
1233 int retval =
1234 my_sprintf (result, "%*Lf %d", -10, 1.75L, 33, 44, 55);
1235 ASSERT (strcmp (result, "1.750000 33") == 0);
1236 ASSERT (retval == strlen (result));
1237 }
1238
1239 { /* FLAG_LEFT. */
1240 int retval =
1241 my_sprintf (result, "%-10Lf %d", 1.75L, 33, 44, 55);
1242 ASSERT (strcmp (result, "1.750000 33") == 0);
1243 ASSERT (retval == strlen (result));
1244 }
1245
1246 { /* FLAG_SHOWSIGN. */
1247 int retval =
1248 my_sprintf (result, "%+Lf %d", 1.75L, 33, 44, 55);
1249 ASSERT (strcmp (result, "+1.750000 33") == 0);
1250 ASSERT (retval == strlen (result));
1251 }
1252
1253 { /* FLAG_SPACE. */
1254 int retval =
1255 my_sprintf (result, "% Lf %d", 1.75L, 33, 44, 55);
1256 ASSERT (strcmp (result, " 1.750000 33") == 0);
1257 ASSERT (retval == strlen (result));
1258 }
1259
1260 { /* FLAG_ALT. */
1261 int retval =
1262 my_sprintf (result, "%#Lf %d", 1.75L, 33, 44, 55);
1263 ASSERT (strcmp (result, "1.750000 33") == 0);
1264 ASSERT (retval == strlen (result));
1265 }
1266
1267 { /* FLAG_ALT. */
1268 int retval =
1269 my_sprintf (result, "%#.Lf %d", 1.75L, 33, 44, 55);
1270 ASSERT (strcmp (result, "2. 33") == 0);
1271 ASSERT (retval == strlen (result));
1272 }
1273
1274 { /* FLAG_ZERO with finite number. */
1275 int retval =
1276 my_sprintf (result, "%015Lf %d", 1234.0L, 33, 44, 55);
1277 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1278 ASSERT (retval == strlen (result));
1279 }
1280
1281 { /* FLAG_ZERO with infinite number. */
1282 int retval =
1283 my_sprintf (result, "%015Lf %d", - Infinityl (), 33, 44, 55);
1284 ASSERT (strcmp (result, " -inf 33") == 0
1285 || strcmp (result, " -infinity 33") == 0);
1286 ASSERT (retval == strlen (result));
1287 }
1288
1289 { /* FLAG_ZERO with NaN. */
1290 int retval =
1291 my_sprintf (result, "%050Lf %d", NaNl (), 33, 44, 55);
1292 ASSERT (strlen (result) == 50 + 3
1293 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1294 && strcmp (result + strlen (result) - 3, " 33") == 0);
1295 ASSERT (retval == strlen (result));
1296 }
1297
1298 { /* Precision. */
1299 int retval =
1300 my_sprintf (result, "%.Lf %d", 1234.0L, 33, 44, 55);
1301 ASSERT (strcmp (result, "1234 33") == 0);
1302 ASSERT (retval == strlen (result));
1303 }
1304
1305 { /* Precision with no rounding. */
1306 int retval =
1307 my_sprintf (result, "%.2Lf %d", 999.951L, 33, 44, 55);
1308 ASSERT (strcmp (result, "999.95 33") == 0);
1309 ASSERT (retval == strlen (result));
1310 }
1311
1312 { /* Precision with rounding. */
1313 int retval =
1314 my_sprintf (result, "%.2Lf %d", 999.996L, 33, 44, 55);
1315 ASSERT (strcmp (result, "1000.00 33") == 0);
1316 ASSERT (retval == strlen (result));
1317 }
1318
1319 /* Test the support of the %F format directive. */
1320
1321 { /* A positive number. */
1322 int retval =
1323 my_sprintf (result, "%F %d", 12.75, 33, 44, 55);
1324 ASSERT (strcmp (result, "12.750000 33") == 0);
1325 ASSERT (retval == strlen (result));
1326 }
1327
1328 { /* A larger positive number. */
1329 int retval =
1330 my_sprintf (result, "%F %d", 1234567.0, 33, 44, 55);
1331 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1332 ASSERT (retval == strlen (result));
1333 }
1334
1335 { /* A negative number. */
1336 int retval =
1337 my_sprintf (result, "%F %d", -0.03125, 33, 44, 55);
1338 ASSERT (strcmp (result, "-0.031250 33") == 0);
1339 ASSERT (retval == strlen (result));
1340 }
1341
1342 { /* Positive zero. */
1343 int retval =
1344 my_sprintf (result, "%F %d", 0.0, 33, 44, 55);
1345 ASSERT (strcmp (result, "0.000000 33") == 0);
1346 ASSERT (retval == strlen (result));
1347 }
1348
1349 { /* Negative zero. */
1350 int retval =
1351 my_sprintf (result, "%F %d", minus_zerod, 33, 44, 55);
1352 if (have_minus_zero ())
1353 ASSERT (strcmp (result, "-0.000000 33") == 0);
1354 ASSERT (retval == strlen (result));
1355 }
1356
1357 { /* Positive infinity. */
1358 int retval =
1359 my_sprintf (result, "%F %d", Infinityd (), 33, 44, 55);
1360 ASSERT (strcmp (result, "INF 33") == 0
1361 || strcmp (result, "INFINITY 33") == 0);
1362 ASSERT (retval == strlen (result));
1363 }
1364
1365 { /* Negative infinity. */
1366 int retval =
1367 my_sprintf (result, "%F %d", - Infinityd (), 33, 44, 55);
1368 ASSERT (strcmp (result, "-INF 33") == 0
1369 || strcmp (result, "-INFINITY 33") == 0);
1370 ASSERT (retval == strlen (result));
1371 }
1372
1373 { /* NaN. */
1374 int retval =
1375 my_sprintf (result, "%F %d", NaNd (), 33, 44, 55);
1376 ASSERT (strlen (result) >= 3 + 3
1377 && strisnan (result, 0, strlen (result) - 3, 1)
1378 && strcmp (result + strlen (result) - 3, " 33") == 0);
1379 ASSERT (retval == strlen (result));
1380 }
1381 #if HAVE_SNAND
1382 { /* Signalling NaN. */
1383 int retval =
1384 my_sprintf (result, "%F %d", SNaNd (), 33, 44, 55);
1385 ASSERT (strlen (result) >= 3 + 3
1386 && strisnan (result, 0, strlen (result) - 3, 1)
1387 && strcmp (result + strlen (result) - 3, " 33") == 0);
1388 ASSERT (retval == strlen (result));
1389 }
1390 #endif
1391
1392 { /* FLAG_ZERO. */
1393 int retval =
1394 my_sprintf (result, "%015F %d", 1234.0, 33, 44, 55);
1395 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1396 ASSERT (retval == strlen (result));
1397 }
1398
1399 { /* FLAG_ZERO with infinite number. */
1400 int retval =
1401 my_sprintf (result, "%015F %d", - Infinityd (), 33, 44, 55);
1402 ASSERT (strcmp (result, " -INF 33") == 0
1403 || strcmp (result, " -INFINITY 33") == 0);
1404 ASSERT (retval == strlen (result));
1405 }
1406
1407 { /* Precision. */
1408 int retval =
1409 my_sprintf (result, "%.F %d", 1234.0, 33, 44, 55);
1410 ASSERT (strcmp (result, "1234 33") == 0);
1411 ASSERT (retval == strlen (result));
1412 }
1413
1414 { /* Precision with no rounding. */
1415 int retval =
1416 my_sprintf (result, "%.2F %d", 999.951, 33, 44, 55);
1417 ASSERT (strcmp (result, "999.95 33") == 0);
1418 ASSERT (retval == strlen (result));
1419 }
1420
1421 { /* Precision with rounding. */
1422 int retval =
1423 my_sprintf (result, "%.2F %d", 999.996, 33, 44, 55);
1424 ASSERT (strcmp (result, "1000.00 33") == 0);
1425 ASSERT (retval == strlen (result));
1426 }
1427
1428 { /* A positive number. */
1429 int retval =
1430 my_sprintf (result, "%LF %d", 12.75L, 33, 44, 55);
1431 ASSERT (strcmp (result, "12.750000 33") == 0);
1432 ASSERT (retval == strlen (result));
1433 }
1434
1435 { /* A larger positive number. */
1436 int retval =
1437 my_sprintf (result, "%LF %d", 1234567.0L, 33, 44, 55);
1438 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1439 ASSERT (retval == strlen (result));
1440 }
1441
1442 { /* A negative number. */
1443 int retval =
1444 my_sprintf (result, "%LF %d", -0.03125L, 33, 44, 55);
1445 ASSERT (strcmp (result, "-0.031250 33") == 0);
1446 ASSERT (retval == strlen (result));
1447 }
1448
1449 { /* Positive zero. */
1450 int retval =
1451 my_sprintf (result, "%LF %d", 0.0L, 33, 44, 55);
1452 ASSERT (strcmp (result, "0.000000 33") == 0);
1453 ASSERT (retval == strlen (result));
1454 }
1455
1456 { /* Negative zero. */
1457 int retval =
1458 my_sprintf (result, "%LF %d", minus_zerol, 33, 44, 55);
1459 if (have_minus_zero ())
1460 ASSERT (strcmp (result, "-0.000000 33") == 0);
1461 ASSERT (retval == strlen (result));
1462 }
1463
1464 { /* Positive infinity. */
1465 int retval =
1466 my_sprintf (result, "%LF %d", Infinityl (), 33, 44, 55);
1467 ASSERT (strcmp (result, "INF 33") == 0
1468 || strcmp (result, "INFINITY 33") == 0);
1469 ASSERT (retval == strlen (result));
1470 }
1471
1472 { /* Negative infinity. */
1473 int retval =
1474 my_sprintf (result, "%LF %d", - Infinityl (), 33, 44, 55);
1475 ASSERT (strcmp (result, "-INF 33") == 0
1476 || strcmp (result, "-INFINITY 33") == 0);
1477 ASSERT (retval == strlen (result));
1478 }
1479
1480 { /* NaN. */
1481 int retval =
1482 my_sprintf (result, "%LF %d", NaNl (), 33, 44, 55);
1483 ASSERT (strlen (result) >= 3 + 3
1484 && strisnan (result, 0, strlen (result) - 3, 1)
1485 && strcmp (result + strlen (result) - 3, " 33") == 0);
1486 ASSERT (retval == strlen (result));
1487 }
1488 #if HAVE_SNANL
1489 { /* Signalling NaN. */
1490 int retval =
1491 my_sprintf (result, "%LF %d", SNaNl (), 33, 44, 55);
1492 ASSERT (strlen (result) >= 3 + 3
1493 && strisnan (result, 0, strlen (result) - 3, 1)
1494 && strcmp (result + strlen (result) - 3, " 33") == 0);
1495 ASSERT (retval == strlen (result));
1496 }
1497 #endif
1498
1499 { /* FLAG_ZERO. */
1500 int retval =
1501 my_sprintf (result, "%015LF %d", 1234.0L, 33, 44, 55);
1502 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1503 ASSERT (retval == strlen (result));
1504 }
1505
1506 { /* FLAG_ZERO with infinite number. */
1507 int retval =
1508 my_sprintf (result, "%015LF %d", - Infinityl (), 33, 44, 55);
1509 ASSERT (strcmp (result, " -INF 33") == 0
1510 || strcmp (result, " -INFINITY 33") == 0);
1511 ASSERT (retval == strlen (result));
1512 }
1513
1514 { /* Precision. */
1515 int retval =
1516 my_sprintf (result, "%.LF %d", 1234.0L, 33, 44, 55);
1517 ASSERT (strcmp (result, "1234 33") == 0);
1518 ASSERT (retval == strlen (result));
1519 }
1520
1521 { /* Precision with no rounding. */
1522 int retval =
1523 my_sprintf (result, "%.2LF %d", 999.951L, 33, 44, 55);
1524 ASSERT (strcmp (result, "999.95 33") == 0);
1525 ASSERT (retval == strlen (result));
1526 }
1527
1528 { /* Precision with rounding. */
1529 int retval =
1530 my_sprintf (result, "%.2LF %d", 999.996L, 33, 44, 55);
1531 ASSERT (strcmp (result, "1000.00 33") == 0);
1532 ASSERT (retval == strlen (result));
1533 }
1534
1535 /* Test the support of the %e format directive. */
1536
1537 { /* A positive number. */
1538 int retval =
1539 my_sprintf (result, "%e %d", 12.75, 33, 44, 55);
1540 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1541 || strcmp (result, "1.275000e+001 33") == 0);
1542 ASSERT (retval == strlen (result));
1543 }
1544
1545 { /* A larger positive number. */
1546 int retval =
1547 my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55);
1548 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1549 || strcmp (result, "1.234567e+006 33") == 0);
1550 ASSERT (retval == strlen (result));
1551 }
1552
1553 { /* Small and large positive numbers. */
1554 static struct { double value; const char *string; } data[] =
1555 {
1556 { 1.234321234321234e-37, "1.234321e-37" },
1557 { 1.234321234321234e-36, "1.234321e-36" },
1558 { 1.234321234321234e-35, "1.234321e-35" },
1559 { 1.234321234321234e-34, "1.234321e-34" },
1560 { 1.234321234321234e-33, "1.234321e-33" },
1561 { 1.234321234321234e-32, "1.234321e-32" },
1562 { 1.234321234321234e-31, "1.234321e-31" },
1563 { 1.234321234321234e-30, "1.234321e-30" },
1564 { 1.234321234321234e-29, "1.234321e-29" },
1565 { 1.234321234321234e-28, "1.234321e-28" },
1566 { 1.234321234321234e-27, "1.234321e-27" },
1567 { 1.234321234321234e-26, "1.234321e-26" },
1568 { 1.234321234321234e-25, "1.234321e-25" },
1569 { 1.234321234321234e-24, "1.234321e-24" },
1570 { 1.234321234321234e-23, "1.234321e-23" },
1571 { 1.234321234321234e-22, "1.234321e-22" },
1572 { 1.234321234321234e-21, "1.234321e-21" },
1573 { 1.234321234321234e-20, "1.234321e-20" },
1574 { 1.234321234321234e-19, "1.234321e-19" },
1575 { 1.234321234321234e-18, "1.234321e-18" },
1576 { 1.234321234321234e-17, "1.234321e-17" },
1577 { 1.234321234321234e-16, "1.234321e-16" },
1578 { 1.234321234321234e-15, "1.234321e-15" },
1579 { 1.234321234321234e-14, "1.234321e-14" },
1580 { 1.234321234321234e-13, "1.234321e-13" },
1581 { 1.234321234321234e-12, "1.234321e-12" },
1582 { 1.234321234321234e-11, "1.234321e-11" },
1583 { 1.234321234321234e-10, "1.234321e-10" },
1584 { 1.234321234321234e-9, "1.234321e-09" },
1585 { 1.234321234321234e-8, "1.234321e-08" },
1586 { 1.234321234321234e-7, "1.234321e-07" },
1587 { 1.234321234321234e-6, "1.234321e-06" },
1588 { 1.234321234321234e-5, "1.234321e-05" },
1589 { 1.234321234321234e-4, "1.234321e-04" },
1590 { 1.234321234321234e-3, "1.234321e-03" },
1591 { 1.234321234321234e-2, "1.234321e-02" },
1592 { 1.234321234321234e-1, "1.234321e-01" },
1593 { 1.234321234321234, "1.234321e+00" },
1594 { 1.234321234321234e1, "1.234321e+01" },
1595 { 1.234321234321234e2, "1.234321e+02" },
1596 { 1.234321234321234e3, "1.234321e+03" },
1597 { 1.234321234321234e4, "1.234321e+04" },
1598 { 1.234321234321234e5, "1.234321e+05" },
1599 { 1.234321234321234e6, "1.234321e+06" },
1600 { 1.234321234321234e7, "1.234321e+07" },
1601 { 1.234321234321234e8, "1.234321e+08" },
1602 { 1.234321234321234e9, "1.234321e+09" },
1603 { 1.234321234321234e10, "1.234321e+10" },
1604 { 1.234321234321234e11, "1.234321e+11" },
1605 { 1.234321234321234e12, "1.234321e+12" },
1606 { 1.234321234321234e13, "1.234321e+13" },
1607 { 1.234321234321234e14, "1.234321e+14" },
1608 { 1.234321234321234e15, "1.234321e+15" },
1609 { 1.234321234321234e16, "1.234321e+16" },
1610 { 1.234321234321234e17, "1.234321e+17" },
1611 { 1.234321234321234e18, "1.234321e+18" },
1612 { 1.234321234321234e19, "1.234321e+19" },
1613 { 1.234321234321234e20, "1.234321e+20" },
1614 { 1.234321234321234e21, "1.234321e+21" },
1615 { 1.234321234321234e22, "1.234321e+22" },
1616 { 1.234321234321234e23, "1.234321e+23" },
1617 { 1.234321234321234e24, "1.234321e+24" },
1618 { 1.234321234321234e25, "1.234321e+25" },
1619 { 1.234321234321234e26, "1.234321e+26" },
1620 { 1.234321234321234e27, "1.234321e+27" },
1621 { 1.234321234321234e28, "1.234321e+28" },
1622 { 1.234321234321234e29, "1.234321e+29" },
1623 { 1.234321234321234e30, "1.234321e+30" },
1624 { 1.234321234321234e31, "1.234321e+31" },
1625 { 1.234321234321234e32, "1.234321e+32" },
1626 { 1.234321234321234e33, "1.234321e+33" },
1627 { 1.234321234321234e34, "1.234321e+34" },
1628 { 1.234321234321234e35, "1.234321e+35" },
1629 { 1.234321234321234e36, "1.234321e+36" }
1630 };
1631 size_t k;
1632 for (k = 0; k < SIZEOF (data); k++)
1633 {
1634 int retval =
1635 my_sprintf (result, "%e", data[k].value);
1636 const char *expected = data[k].string;
1637 ASSERT (strcmp (result, expected) == 0
1638 /* Some implementations produce exponents with 3 digits. */
1639 || (strlen (result) == strlen (expected) + 1
1640 && memcmp (result, expected, strlen (expected) - 2) == 0
1641 && result[strlen (expected) - 2] == '0'
1642 && strcmp (result + strlen (expected) - 1,
1643 expected + strlen (expected) - 2)
1644 == 0));
1645 ASSERT (retval == strlen (result));
1646 }
1647 }
1648
1649 { /* A negative number. */
1650 int retval =
1651 my_sprintf (result, "%e %d", -0.03125, 33, 44, 55);
1652 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1653 || strcmp (result, "-3.125000e-002 33") == 0);
1654 ASSERT (retval == strlen (result));
1655 }
1656
1657 { /* Positive zero. */
1658 int retval =
1659 my_sprintf (result, "%e %d", 0.0, 33, 44, 55);
1660 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1661 || strcmp (result, "0.000000e+000 33") == 0);
1662 ASSERT (retval == strlen (result));
1663 }
1664
1665 { /* Negative zero. */
1666 int retval =
1667 my_sprintf (result, "%e %d", minus_zerod, 33, 44, 55);
1668 if (have_minus_zero ())
1669 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1670 || strcmp (result, "-0.000000e+000 33") == 0);
1671 ASSERT (retval == strlen (result));
1672 }
1673
1674 { /* Positive infinity. */
1675 int retval =
1676 my_sprintf (result, "%e %d", Infinityd (), 33, 44, 55);
1677 ASSERT (strcmp (result, "inf 33") == 0
1678 || strcmp (result, "infinity 33") == 0);
1679 ASSERT (retval == strlen (result));
1680 }
1681
1682 { /* Negative infinity. */
1683 int retval =
1684 my_sprintf (result, "%e %d", - Infinityd (), 33, 44, 55);
1685 ASSERT (strcmp (result, "-inf 33") == 0
1686 || strcmp (result, "-infinity 33") == 0);
1687 ASSERT (retval == strlen (result));
1688 }
1689
1690 { /* NaN. */
1691 int retval =
1692 my_sprintf (result, "%e %d", NaNd (), 33, 44, 55);
1693 ASSERT (strlen (result) >= 3 + 3
1694 && strisnan (result, 0, strlen (result) - 3, 0)
1695 && strcmp (result + strlen (result) - 3, " 33") == 0);
1696 ASSERT (retval == strlen (result));
1697 }
1698 #if HAVE_SNAND
1699 { /* Signalling NaN. */
1700 int retval =
1701 my_sprintf (result, "%e %d", SNaNd (), 33, 44, 55);
1702 ASSERT (strlen (result) >= 3 + 3
1703 && strisnan (result, 0, strlen (result) - 3, 0)
1704 && strcmp (result + strlen (result) - 3, " 33") == 0);
1705 ASSERT (retval == strlen (result));
1706 }
1707 #endif
1708
1709 { /* Width. */
1710 int retval =
1711 my_sprintf (result, "%15e %d", 1.75, 33, 44, 55);
1712 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1713 || strcmp (result, " 1.750000e+000 33") == 0);
1714 ASSERT (retval == strlen (result));
1715 }
1716
1717 { /* Width given as argument. */
1718 int retval =
1719 my_sprintf (result, "%*e %d", 15, 1.75, 33, 44, 55);
1720 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1721 || strcmp (result, " 1.750000e+000 33") == 0);
1722 ASSERT (retval == strlen (result));
1723 }
1724
1725 { /* Negative width given as argument (cf. FLAG_LEFT below). */
1726 int retval =
1727 my_sprintf (result, "%*e %d", -15, 1.75, 33, 44, 55);
1728 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1729 || strcmp (result, "1.750000e+000 33") == 0);
1730 ASSERT (retval == strlen (result));
1731 }
1732
1733 { /* FLAG_LEFT. */
1734 int retval =
1735 my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55);
1736 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1737 || strcmp (result, "1.750000e+000 33") == 0);
1738 ASSERT (retval == strlen (result));
1739 }
1740
1741 { /* FLAG_SHOWSIGN. */
1742 int retval =
1743 my_sprintf (result, "%+e %d", 1.75, 33, 44, 55);
1744 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1745 || strcmp (result, "+1.750000e+000 33") == 0);
1746 ASSERT (retval == strlen (result));
1747 }
1748
1749 { /* FLAG_SPACE. */
1750 int retval =
1751 my_sprintf (result, "% e %d", 1.75, 33, 44, 55);
1752 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1753 || strcmp (result, " 1.750000e+000 33") == 0);
1754 ASSERT (retval == strlen (result));
1755 }
1756
1757 { /* FLAG_ALT. */
1758 int retval =
1759 my_sprintf (result, "%#e %d", 1.75, 33, 44, 55);
1760 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1761 || strcmp (result, "1.750000e+000 33") == 0);
1762 ASSERT (retval == strlen (result));
1763 }
1764
1765 { /* FLAG_ALT. */
1766 int retval =
1767 my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55);
1768 ASSERT (strcmp (result, "2.e+00 33") == 0
1769 || strcmp (result, "2.e+000 33") == 0);
1770 ASSERT (retval == strlen (result));
1771 }
1772
1773 { /* FLAG_ALT. */
1774 int retval =
1775 my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55);
1776 ASSERT (strcmp (result, "1.e+01 33") == 0
1777 || strcmp (result, "1.e+001 33") == 0);
1778 ASSERT (retval == strlen (result));
1779 }
1780
1781 { /* FLAG_ZERO with finite number. */
1782 int retval =
1783 my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55);
1784 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1785 || strcmp (result, "001.234000e+003 33") == 0);
1786 ASSERT (retval == strlen (result));
1787 }
1788
1789 { /* FLAG_ZERO with infinite number. */
1790 int retval =
1791 my_sprintf (result, "%015e %d", - Infinityd (), 33, 44, 55);
1792 ASSERT (strcmp (result, " -inf 33") == 0
1793 || strcmp (result, " -infinity 33") == 0);
1794 ASSERT (retval == strlen (result));
1795 }
1796
1797 { /* FLAG_ZERO with NaN. */
1798 int retval =
1799 my_sprintf (result, "%050e %d", NaNd (), 33, 44, 55);
1800 ASSERT (strlen (result) == 50 + 3
1801 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1802 && strcmp (result + strlen (result) - 3, " 33") == 0);
1803 ASSERT (retval == strlen (result));
1804 }
1805
1806 { /* Precision. */
1807 int retval =
1808 my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55);
1809 ASSERT (strcmp (result, "1e+03 33") == 0
1810 || strcmp (result, "1e+003 33") == 0);
1811 ASSERT (retval == strlen (result));
1812 }
1813
1814 { /* Precision with no rounding. */
1815 int retval =
1816 my_sprintf (result, "%.4e %d", 999.951, 33, 44, 55);
1817 ASSERT (strcmp (result, "9.9995e+02 33") == 0
1818 || strcmp (result, "9.9995e+002 33") == 0);
1819 ASSERT (retval == strlen (result));
1820 }
1821
1822 { /* Precision with rounding. */
1823 int retval =
1824 my_sprintf (result, "%.4e %d", 999.996, 33, 44, 55);
1825 ASSERT (strcmp (result, "1.0000e+03 33") == 0
1826 || strcmp (result, "1.0000e+003 33") == 0);
1827 ASSERT (retval == strlen (result));
1828 }
1829
1830 { /* A positive number. */
1831 int retval =
1832 my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55);
1833 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1834 || strcmp (result, "1.275000e+001 33") == 0);
1835 ASSERT (retval == strlen (result));
1836 }
1837
1838 { /* A larger positive number. */
1839 int retval =
1840 my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55);
1841 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1842 || strcmp (result, "1.234567e+006 33") == 0);
1843 ASSERT (retval == strlen (result));
1844 }
1845
1846 { /* Small and large positive numbers. */
1847 static struct { long double value; const char *string; } data[] =
1848 {
1849 { 1.234321234321234e-37L, "1.234321e-37" },
1850 { 1.234321234321234e-36L, "1.234321e-36" },
1851 { 1.234321234321234e-35L, "1.234321e-35" },
1852 { 1.234321234321234e-34L, "1.234321e-34" },
1853 { 1.234321234321234e-33L, "1.234321e-33" },
1854 { 1.234321234321234e-32L, "1.234321e-32" },
1855 { 1.234321234321234e-31L, "1.234321e-31" },
1856 { 1.234321234321234e-30L, "1.234321e-30" },
1857 { 1.234321234321234e-29L, "1.234321e-29" },
1858 { 1.234321234321234e-28L, "1.234321e-28" },
1859 { 1.234321234321234e-27L, "1.234321e-27" },
1860 { 1.234321234321234e-26L, "1.234321e-26" },
1861 { 1.234321234321234e-25L, "1.234321e-25" },
1862 { 1.234321234321234e-24L, "1.234321e-24" },
1863 { 1.234321234321234e-23L, "1.234321e-23" },
1864 { 1.234321234321234e-22L, "1.234321e-22" },
1865 { 1.234321234321234e-21L, "1.234321e-21" },
1866 { 1.234321234321234e-20L, "1.234321e-20" },
1867 { 1.234321234321234e-19L, "1.234321e-19" },
1868 { 1.234321234321234e-18L, "1.234321e-18" },
1869 { 1.234321234321234e-17L, "1.234321e-17" },
1870 { 1.234321234321234e-16L, "1.234321e-16" },
1871 { 1.234321234321234e-15L, "1.234321e-15" },
1872 { 1.234321234321234e-14L, "1.234321e-14" },
1873 { 1.234321234321234e-13L, "1.234321e-13" },
1874 { 1.234321234321234e-12L, "1.234321e-12" },
1875 { 1.234321234321234e-11L, "1.234321e-11" },
1876 { 1.234321234321234e-10L, "1.234321e-10" },
1877 { 1.234321234321234e-9L, "1.234321e-09" },
1878 { 1.234321234321234e-8L, "1.234321e-08" },
1879 { 1.234321234321234e-7L, "1.234321e-07" },
1880 { 1.234321234321234e-6L, "1.234321e-06" },
1881 { 1.234321234321234e-5L, "1.234321e-05" },
1882 { 1.234321234321234e-4L, "1.234321e-04" },
1883 { 1.234321234321234e-3L, "1.234321e-03" },
1884 { 1.234321234321234e-2L, "1.234321e-02" },
1885 { 1.234321234321234e-1L, "1.234321e-01" },
1886 { 1.234321234321234L, "1.234321e+00" },
1887 { 1.234321234321234e1L, "1.234321e+01" },
1888 { 1.234321234321234e2L, "1.234321e+02" },
1889 { 1.234321234321234e3L, "1.234321e+03" },
1890 { 1.234321234321234e4L, "1.234321e+04" },
1891 { 1.234321234321234e5L, "1.234321e+05" },
1892 { 1.234321234321234e6L, "1.234321e+06" },
1893 { 1.234321234321234e7L, "1.234321e+07" },
1894 { 1.234321234321234e8L, "1.234321e+08" },
1895 { 1.234321234321234e9L, "1.234321e+09" },
1896 { 1.234321234321234e10L, "1.234321e+10" },
1897 { 1.234321234321234e11L, "1.234321e+11" },
1898 { 1.234321234321234e12L, "1.234321e+12" },
1899 { 1.234321234321234e13L, "1.234321e+13" },
1900 { 1.234321234321234e14L, "1.234321e+14" },
1901 { 1.234321234321234e15L, "1.234321e+15" },
1902 { 1.234321234321234e16L, "1.234321e+16" },
1903 { 1.234321234321234e17L, "1.234321e+17" },
1904 { 1.234321234321234e18L, "1.234321e+18" },
1905 { 1.234321234321234e19L, "1.234321e+19" },
1906 { 1.234321234321234e20L, "1.234321e+20" },
1907 { 1.234321234321234e21L, "1.234321e+21" },
1908 { 1.234321234321234e22L, "1.234321e+22" },
1909 { 1.234321234321234e23L, "1.234321e+23" },
1910 { 1.234321234321234e24L, "1.234321e+24" },
1911 { 1.234321234321234e25L, "1.234321e+25" },
1912 { 1.234321234321234e26L, "1.234321e+26" },
1913 { 1.234321234321234e27L, "1.234321e+27" },
1914 { 1.234321234321234e28L, "1.234321e+28" },
1915 { 1.234321234321234e29L, "1.234321e+29" },
1916 { 1.234321234321234e30L, "1.234321e+30" },
1917 { 1.234321234321234e31L, "1.234321e+31" },
1918 { 1.234321234321234e32L, "1.234321e+32" },
1919 { 1.234321234321234e33L, "1.234321e+33" },
1920 { 1.234321234321234e34L, "1.234321e+34" },
1921 { 1.234321234321234e35L, "1.234321e+35" },
1922 { 1.234321234321234e36L, "1.234321e+36" }
1923 };
1924 size_t k;
1925 for (k = 0; k < SIZEOF (data); k++)
1926 {
1927 int retval =
1928 my_sprintf (result, "%Le", data[k].value);
1929 const char *expected = data[k].string;
1930 ASSERT (strcmp (result, expected) == 0
1931 /* Some implementations produce exponents with 3 digits. */
1932 || (strlen (result) == strlen (expected) + 1
1933 && memcmp (result, expected, strlen (expected) - 2) == 0
1934 && result[strlen (expected) - 2] == '0'
1935 && strcmp (result + strlen (expected) - 1,
1936 expected + strlen (expected) - 2)
1937 == 0));
1938 ASSERT (retval == strlen (result));
1939 }
1940 }
1941
1942 { /* A negative number. */
1943 int retval =
1944 my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55);
1945 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1946 || strcmp (result, "-3.125000e-002 33") == 0);
1947 ASSERT (retval == strlen (result));
1948 }
1949
1950 { /* Positive zero. */
1951 int retval =
1952 my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55);
1953 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1954 || strcmp (result, "0.000000e+000 33") == 0);
1955 ASSERT (retval == strlen (result));
1956 }
1957
1958 { /* Negative zero. */
1959 int retval =
1960 my_sprintf (result, "%Le %d", minus_zerol, 33, 44, 55);
1961 if (have_minus_zero ())
1962 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1963 || strcmp (result, "-0.000000e+000 33") == 0);
1964 ASSERT (retval == strlen (result));
1965 }
1966
1967 { /* Positive infinity. */
1968 int retval =
1969 my_sprintf (result, "%Le %d", Infinityl (), 33, 44, 55);
1970 ASSERT (strcmp (result, "inf 33") == 0
1971 || strcmp (result, "infinity 33") == 0);
1972 ASSERT (retval == strlen (result));
1973 }
1974
1975 { /* Negative infinity. */
1976 int retval =
1977 my_sprintf (result, "%Le %d", - Infinityl (), 33, 44, 55);
1978 ASSERT (strcmp (result, "-inf 33") == 0
1979 || strcmp (result, "-infinity 33") == 0);
1980 ASSERT (retval == strlen (result));
1981 }
1982
1983 { /* NaN. */
1984 int retval =
1985 my_sprintf (result, "%Le %d", NaNl (), 33, 44, 55);
1986 ASSERT (strlen (result) >= 3 + 3
1987 && strisnan (result, 0, strlen (result) - 3, 0)
1988 && strcmp (result + strlen (result) - 3, " 33") == 0);
1989 ASSERT (retval == strlen (result));
1990 }
1991 #if HAVE_SNANL
1992 { /* Signalling NaN. */
1993 int retval =
1994 my_sprintf (result, "%Le %d", SNaNl (), 33, 44, 55);
1995 ASSERT (strlen (result) >= 3 + 3
1996 && strisnan (result, 0, strlen (result) - 3, 0)
1997 && strcmp (result + strlen (result) - 3, " 33") == 0);
1998 ASSERT (retval == strlen (result));
1999 }
2000 #endif
2001 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
2002 { /* Quiet NaN. */
2003 static union { unsigned int word[4]; long double value; } x =
2004 { .word = LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2005 int retval =
2006 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2007 ASSERT (strlen (result) >= 3 + 3
2008 && strisnan (result, 0, strlen (result) - 3, 0)
2009 && strcmp (result + strlen (result) - 3, " 33") == 0);
2010 ASSERT (retval == strlen (result));
2011 }
2012 {
2013 /* Signalling NaN. */
2014 static union { unsigned int word[4]; long double value; } x =
2015 { .word = LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2016 int retval =
2017 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2018 ASSERT (strlen (result) >= 3 + 3
2019 && strisnan (result, 0, strlen (result) - 3, 0)
2020 && strcmp (result + strlen (result) - 3, " 33") == 0);
2021 ASSERT (retval == strlen (result));
2022 }
2023 /* sprintf should print something for noncanonical values. */
2024 { /* Pseudo-NaN. */
2025 static union { unsigned int word[4]; long double value; } x =
2026 { .word = LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2027 int retval =
2028 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2029 ASSERT (retval == strlen (result));
2030 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2031 }
2032 { /* Pseudo-Infinity. */
2033 static union { unsigned int word[4]; long double value; } x =
2034 { .word = LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2035 int retval =
2036 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2037 ASSERT (retval == strlen (result));
2038 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2039 }
2040 { /* Pseudo-Zero. */
2041 static union { unsigned int word[4]; long double value; } x =
2042 { .word = LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2043 int retval =
2044 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2045 ASSERT (retval == strlen (result));
2046 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2047 }
2048 { /* Unnormalized number. */
2049 static union { unsigned int word[4]; long double value; } x =
2050 { .word = LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2051 int retval =
2052 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2053 ASSERT (retval == strlen (result));
2054 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2055 }
2056 { /* Pseudo-Denormal. */
2057 static union { unsigned int word[4]; long double value; } x =
2058 { .word = LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2059 int retval =
2060 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2061 ASSERT (retval == strlen (result));
2062 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2063 }
2064 #endif
2065
2066 { /* Width. */
2067 int retval =
2068 my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55);
2069 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2070 || strcmp (result, " 1.750000e+000 33") == 0);
2071 ASSERT (retval == strlen (result));
2072 }
2073
2074 { /* Width given as argument. */
2075 int retval =
2076 my_sprintf (result, "%*Le %d", 15, 1.75L, 33, 44, 55);
2077 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2078 || strcmp (result, " 1.750000e+000 33") == 0);
2079 ASSERT (retval == strlen (result));
2080 }
2081
2082 { /* Negative width given as argument (cf. FLAG_LEFT below). */
2083 int retval =
2084 my_sprintf (result, "%*Le %d", -15, 1.75L, 33, 44, 55);
2085 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2086 || strcmp (result, "1.750000e+000 33") == 0);
2087 ASSERT (retval == strlen (result));
2088 }
2089
2090 { /* FLAG_LEFT. */
2091 int retval =
2092 my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55);
2093 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2094 || strcmp (result, "1.750000e+000 33") == 0);
2095 ASSERT (retval == strlen (result));
2096 }
2097
2098 { /* FLAG_SHOWSIGN. */
2099 int retval =
2100 my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55);
2101 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2102 || strcmp (result, "+1.750000e+000 33") == 0);
2103 ASSERT (retval == strlen (result));
2104 }
2105
2106 { /* FLAG_SPACE. */
2107 int retval =
2108 my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55);
2109 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2110 || strcmp (result, " 1.750000e+000 33") == 0);
2111 ASSERT (retval == strlen (result));
2112 }
2113
2114 { /* FLAG_ALT. */
2115 int retval =
2116 my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55);
2117 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2118 || strcmp (result, "1.750000e+000 33") == 0);
2119 ASSERT (retval == strlen (result));
2120 }
2121
2122 { /* FLAG_ALT. */
2123 int retval =
2124 my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55);
2125 ASSERT (strcmp (result, "2.e+00 33") == 0
2126 || strcmp (result, "2.e+000 33") == 0);
2127 ASSERT (retval == strlen (result));
2128 }
2129
2130 { /* FLAG_ALT. */
2131 int retval =
2132 my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55);
2133 ASSERT (strcmp (result, "1.e+01 33") == 0
2134 || strcmp (result, "1.e+001 33") == 0);
2135 ASSERT (retval == strlen (result));
2136 }
2137
2138 { /* FLAG_ZERO with finite number. */
2139 int retval =
2140 my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55);
2141 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2142 || strcmp (result, "001.234000e+003 33") == 0);
2143 ASSERT (retval == strlen (result));
2144 }
2145
2146 { /* FLAG_ZERO with infinite number. */
2147 int retval =
2148 my_sprintf (result, "%015Le %d", - Infinityl (), 33, 44, 55);
2149 ASSERT (strcmp (result, " -inf 33") == 0
2150 || strcmp (result, " -infinity 33") == 0);
2151 ASSERT (retval == strlen (result));
2152 }
2153
2154 { /* FLAG_ZERO with NaN. */
2155 int retval =
2156 my_sprintf (result, "%050Le %d", NaNl (), 33, 44, 55);
2157 ASSERT (strlen (result) == 50 + 3
2158 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2159 && strcmp (result + strlen (result) - 3, " 33") == 0);
2160 ASSERT (retval == strlen (result));
2161 }
2162
2163 { /* Precision. */
2164 int retval =
2165 my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55);
2166 ASSERT (strcmp (result, "1e+03 33") == 0
2167 || strcmp (result, "1e+003 33") == 0);
2168 ASSERT (retval == strlen (result));
2169 }
2170
2171 { /* Precision with no rounding. */
2172 int retval =
2173 my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55);
2174 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2175 || strcmp (result, "9.9995e+002 33") == 0);
2176 ASSERT (retval == strlen (result));
2177 }
2178
2179 { /* Precision with rounding. */
2180 int retval =
2181 my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55);
2182 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2183 || strcmp (result, "1.0000e+003 33") == 0);
2184 ASSERT (retval == strlen (result));
2185 }
2186
2187 /* Test the support of the %g format directive. */
2188
2189 { /* A positive number. */
2190 int retval =
2191 my_sprintf (result, "%g %d", 12.75, 33, 44, 55);
2192 ASSERT (strcmp (result, "12.75 33") == 0);
2193 ASSERT (retval == strlen (result));
2194 }
2195
2196 { /* A larger positive number. */
2197 int retval =
2198 my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55);
2199 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2200 || strcmp (result, "1.23457e+006 33") == 0);
2201 ASSERT (retval == strlen (result));
2202 }
2203
2204 { /* Small and large positive numbers. */
2205 static struct { double value; const char *string; } data[] =
2206 {
2207 { 1.234321234321234e-37, "1.23432e-37" },
2208 { 1.234321234321234e-36, "1.23432e-36" },
2209 { 1.234321234321234e-35, "1.23432e-35" },
2210 { 1.234321234321234e-34, "1.23432e-34" },
2211 { 1.234321234321234e-33, "1.23432e-33" },
2212 { 1.234321234321234e-32, "1.23432e-32" },
2213 { 1.234321234321234e-31, "1.23432e-31" },
2214 { 1.234321234321234e-30, "1.23432e-30" },
2215 { 1.234321234321234e-29, "1.23432e-29" },
2216 { 1.234321234321234e-28, "1.23432e-28" },
2217 { 1.234321234321234e-27, "1.23432e-27" },
2218 { 1.234321234321234e-26, "1.23432e-26" },
2219 { 1.234321234321234e-25, "1.23432e-25" },
2220 { 1.234321234321234e-24, "1.23432e-24" },
2221 { 1.234321234321234e-23, "1.23432e-23" },
2222 { 1.234321234321234e-22, "1.23432e-22" },
2223 { 1.234321234321234e-21, "1.23432e-21" },
2224 { 1.234321234321234e-20, "1.23432e-20" },
2225 { 1.234321234321234e-19, "1.23432e-19" },
2226 { 1.234321234321234e-18, "1.23432e-18" },
2227 { 1.234321234321234e-17, "1.23432e-17" },
2228 { 1.234321234321234e-16, "1.23432e-16" },
2229 { 1.234321234321234e-15, "1.23432e-15" },
2230 { 1.234321234321234e-14, "1.23432e-14" },
2231 { 1.234321234321234e-13, "1.23432e-13" },
2232 { 1.234321234321234e-12, "1.23432e-12" },
2233 { 1.234321234321234e-11, "1.23432e-11" },
2234 { 1.234321234321234e-10, "1.23432e-10" },
2235 { 1.234321234321234e-9, "1.23432e-09" },
2236 { 1.234321234321234e-8, "1.23432e-08" },
2237 { 1.234321234321234e-7, "1.23432e-07" },
2238 { 1.234321234321234e-6, "1.23432e-06" },
2239 { 1.234321234321234e-5, "1.23432e-05" },
2240 { 1.234321234321234e-4, "0.000123432" },
2241 { 1.234321234321234e-3, "0.00123432" },
2242 { 1.234321234321234e-2, "0.0123432" },
2243 { 1.234321234321234e-1, "0.123432" },
2244 { 1.234321234321234, "1.23432" },
2245 { 1.234321234321234e1, "12.3432" },
2246 { 1.234321234321234e2, "123.432" },
2247 { 1.234321234321234e3, "1234.32" },
2248 { 1.234321234321234e4, "12343.2" },
2249 { 1.234321234321234e5, "123432" },
2250 { 1.234321234321234e6, "1.23432e+06" },
2251 { 1.234321234321234e7, "1.23432e+07" },
2252 { 1.234321234321234e8, "1.23432e+08" },
2253 { 1.234321234321234e9, "1.23432e+09" },
2254 { 1.234321234321234e10, "1.23432e+10" },
2255 { 1.234321234321234e11, "1.23432e+11" },
2256 { 1.234321234321234e12, "1.23432e+12" },
2257 { 1.234321234321234e13, "1.23432e+13" },
2258 { 1.234321234321234e14, "1.23432e+14" },
2259 { 1.234321234321234e15, "1.23432e+15" },
2260 { 1.234321234321234e16, "1.23432e+16" },
2261 { 1.234321234321234e17, "1.23432e+17" },
2262 { 1.234321234321234e18, "1.23432e+18" },
2263 { 1.234321234321234e19, "1.23432e+19" },
2264 { 1.234321234321234e20, "1.23432e+20" },
2265 { 1.234321234321234e21, "1.23432e+21" },
2266 { 1.234321234321234e22, "1.23432e+22" },
2267 { 1.234321234321234e23, "1.23432e+23" },
2268 { 1.234321234321234e24, "1.23432e+24" },
2269 { 1.234321234321234e25, "1.23432e+25" },
2270 { 1.234321234321234e26, "1.23432e+26" },
2271 { 1.234321234321234e27, "1.23432e+27" },
2272 { 1.234321234321234e28, "1.23432e+28" },
2273 { 1.234321234321234e29, "1.23432e+29" },
2274 { 1.234321234321234e30, "1.23432e+30" },
2275 { 1.234321234321234e31, "1.23432e+31" },
2276 { 1.234321234321234e32, "1.23432e+32" },
2277 { 1.234321234321234e33, "1.23432e+33" },
2278 { 1.234321234321234e34, "1.23432e+34" },
2279 { 1.234321234321234e35, "1.23432e+35" },
2280 { 1.234321234321234e36, "1.23432e+36" }
2281 };
2282 size_t k;
2283 for (k = 0; k < SIZEOF (data); k++)
2284 {
2285 int retval =
2286 my_sprintf (result, "%g", data[k].value);
2287 const char *expected = data[k].string;
2288 ASSERT (strcmp (result, expected) == 0
2289 /* Some implementations produce exponents with 3 digits. */
2290 || (expected[strlen (expected) - 4] == 'e'
2291 && strlen (result) == strlen (expected) + 1
2292 && memcmp (result, expected, strlen (expected) - 2) == 0
2293 && result[strlen (expected) - 2] == '0'
2294 && strcmp (result + strlen (expected) - 1,
2295 expected + strlen (expected) - 2)
2296 == 0));
2297 ASSERT (retval == strlen (result));
2298 }
2299 }
2300
2301 { /* A negative number. */
2302 int retval =
2303 my_sprintf (result, "%g %d", -0.03125, 33, 44, 55);
2304 ASSERT (strcmp (result, "-0.03125 33") == 0);
2305 ASSERT (retval == strlen (result));
2306 }
2307
2308 { /* Positive zero. */
2309 int retval =
2310 my_sprintf (result, "%g %d", 0.0, 33, 44, 55);
2311 ASSERT (strcmp (result, "0 33") == 0);
2312 ASSERT (retval == strlen (result));
2313 }
2314
2315 { /* Negative zero. */
2316 int retval =
2317 my_sprintf (result, "%g %d", minus_zerod, 33, 44, 55);
2318 if (have_minus_zero ())
2319 ASSERT (strcmp (result, "-0 33") == 0);
2320 ASSERT (retval == strlen (result));
2321 }
2322
2323 { /* Positive infinity. */
2324 int retval =
2325 my_sprintf (result, "%g %d", Infinityd (), 33, 44, 55);
2326 ASSERT (strcmp (result, "inf 33") == 0
2327 || strcmp (result, "infinity 33") == 0);
2328 ASSERT (retval == strlen (result));
2329 }
2330
2331 { /* Negative infinity. */
2332 int retval =
2333 my_sprintf (result, "%g %d", - Infinityd (), 33, 44, 55);
2334 ASSERT (strcmp (result, "-inf 33") == 0
2335 || strcmp (result, "-infinity 33") == 0);
2336 ASSERT (retval == strlen (result));
2337 }
2338
2339 { /* NaN. */
2340 int retval =
2341 my_sprintf (result, "%g %d", NaNd (), 33, 44, 55);
2342 ASSERT (strlen (result) >= 3 + 3
2343 && strisnan (result, 0, strlen (result) - 3, 0)
2344 && strcmp (result + strlen (result) - 3, " 33") == 0);
2345 ASSERT (retval == strlen (result));
2346 }
2347 #if HAVE_SNAND
2348 { /* Signalling NaN. */
2349 int retval =
2350 my_sprintf (result, "%g %d", SNaNd (), 33, 44, 55);
2351 ASSERT (strlen (result) >= 3 + 3
2352 && strisnan (result, 0, strlen (result) - 3, 0)
2353 && strcmp (result + strlen (result) - 3, " 33") == 0);
2354 ASSERT (retval == strlen (result));
2355 }
2356 #endif
2357
2358 { /* Width. */
2359 int retval =
2360 my_sprintf (result, "%10g %d", 1.75, 33, 44, 55);
2361 ASSERT (strcmp (result, " 1.75 33") == 0);
2362 ASSERT (retval == strlen (result));
2363 }
2364
2365 { /* Width given as argument. */
2366 int retval =
2367 my_sprintf (result, "%*g %d", 10, 1.75, 33, 44, 55);
2368 ASSERT (strcmp (result, " 1.75 33") == 0);
2369 ASSERT (retval == strlen (result));
2370 }
2371
2372 { /* Negative width given as argument (cf. FLAG_LEFT below). */
2373 int retval =
2374 my_sprintf (result, "%*g %d", -10, 1.75, 33, 44, 55);
2375 ASSERT (strcmp (result, "1.75 33") == 0);
2376 ASSERT (retval == strlen (result));
2377 }
2378
2379 { /* FLAG_LEFT. */
2380 int retval =
2381 my_sprintf (result, "%-10g %d", 1.75, 33, 44, 55);
2382 ASSERT (strcmp (result, "1.75 33") == 0);
2383 ASSERT (retval == strlen (result));
2384 }
2385
2386 { /* FLAG_SHOWSIGN. */
2387 int retval =
2388 my_sprintf (result, "%+g %d", 1.75, 33, 44, 55);
2389 ASSERT (strcmp (result, "+1.75 33") == 0);
2390 ASSERT (retval == strlen (result));
2391 }
2392
2393 { /* FLAG_SPACE. */
2394 int retval =
2395 my_sprintf (result, "% g %d", 1.75, 33, 44, 55);
2396 ASSERT (strcmp (result, " 1.75 33") == 0);
2397 ASSERT (retval == strlen (result));
2398 }
2399
2400 { /* FLAG_ALT. */
2401 int retval =
2402 my_sprintf (result, "%#g %d", 1.75, 33, 44, 55);
2403 ASSERT (strcmp (result, "1.75000 33") == 0);
2404 ASSERT (retval == strlen (result));
2405 }
2406
2407 { /* FLAG_ALT. */
2408 int retval =
2409 my_sprintf (result, "%#.g %d", 1.75, 33, 44, 55);
2410 ASSERT (strcmp (result, "2. 33") == 0);
2411 ASSERT (retval == strlen (result));
2412 }
2413
2414 { /* FLAG_ALT. */
2415 int retval =
2416 my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55);
2417 ASSERT (strcmp (result, "1.e+01 33") == 0
2418 || strcmp (result, "1.e+001 33") == 0);
2419 ASSERT (retval == strlen (result));
2420 }
2421
2422 { /* FLAG_ZERO with finite number. */
2423 int retval =
2424 my_sprintf (result, "%010g %d", 1234.0, 33, 44, 55);
2425 ASSERT (strcmp (result, "0000001234 33") == 0);
2426 ASSERT (retval == strlen (result));
2427 }
2428
2429 { /* FLAG_ZERO with infinite number. */
2430 int retval =
2431 my_sprintf (result, "%015g %d", - Infinityd (), 33, 44, 55);
2432 ASSERT (strcmp (result, " -inf 33") == 0
2433 || strcmp (result, " -infinity 33") == 0);
2434 ASSERT (retval == strlen (result));
2435 }
2436
2437 { /* FLAG_ZERO with NaN. */
2438 int retval =
2439 my_sprintf (result, "%050g %d", NaNd (), 33, 44, 55);
2440 ASSERT (strlen (result) == 50 + 3
2441 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2442 && strcmp (result + strlen (result) - 3, " 33") == 0);
2443 ASSERT (retval == strlen (result));
2444 }
2445
2446 { /* Precision. */
2447 int retval =
2448 my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55);
2449 ASSERT (strcmp (result, "1e+03 33") == 0
2450 || strcmp (result, "1e+003 33") == 0);
2451 ASSERT (retval == strlen (result));
2452 }
2453
2454 { /* Precision with no rounding. */
2455 int retval =
2456 my_sprintf (result, "%.5g %d", 999.951, 33, 44, 55);
2457 ASSERT (strcmp (result, "999.95 33") == 0);
2458 ASSERT (retval == strlen (result));
2459 }
2460
2461 { /* Precision with rounding. */
2462 int retval =
2463 my_sprintf (result, "%.5g %d", 999.996, 33, 44, 55);
2464 ASSERT (strcmp (result, "1000 33") == 0);
2465 ASSERT (retval == strlen (result));
2466 }
2467
2468 { /* A positive number. */
2469 int retval =
2470 my_sprintf (result, "%Lg %d", 12.75L, 33, 44, 55);
2471 ASSERT (strcmp (result, "12.75 33") == 0);
2472 ASSERT (retval == strlen (result));
2473 }
2474
2475 { /* A larger positive number. */
2476 int retval =
2477 my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55);
2478 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2479 || strcmp (result, "1.23457e+006 33") == 0);
2480 ASSERT (retval == strlen (result));
2481 }
2482
2483 { /* Small and large positive numbers. */
2484 static struct { long double value; const char *string; } data[] =
2485 {
2486 { 1.234321234321234e-37L, "1.23432e-37" },
2487 { 1.234321234321234e-36L, "1.23432e-36" },
2488 { 1.234321234321234e-35L, "1.23432e-35" },
2489 { 1.234321234321234e-34L, "1.23432e-34" },
2490 { 1.234321234321234e-33L, "1.23432e-33" },
2491 { 1.234321234321234e-32L, "1.23432e-32" },
2492 { 1.234321234321234e-31L, "1.23432e-31" },
2493 { 1.234321234321234e-30L, "1.23432e-30" },
2494 { 1.234321234321234e-29L, "1.23432e-29" },
2495 { 1.234321234321234e-28L, "1.23432e-28" },
2496 { 1.234321234321234e-27L, "1.23432e-27" },
2497 { 1.234321234321234e-26L, "1.23432e-26" },
2498 { 1.234321234321234e-25L, "1.23432e-25" },
2499 { 1.234321234321234e-24L, "1.23432e-24" },
2500 { 1.234321234321234e-23L, "1.23432e-23" },
2501 { 1.234321234321234e-22L, "1.23432e-22" },
2502 { 1.234321234321234e-21L, "1.23432e-21" },
2503 { 1.234321234321234e-20L, "1.23432e-20" },
2504 { 1.234321234321234e-19L, "1.23432e-19" },
2505 { 1.234321234321234e-18L, "1.23432e-18" },
2506 { 1.234321234321234e-17L, "1.23432e-17" },
2507 { 1.234321234321234e-16L, "1.23432e-16" },
2508 { 1.234321234321234e-15L, "1.23432e-15" },
2509 { 1.234321234321234e-14L, "1.23432e-14" },
2510 { 1.234321234321234e-13L, "1.23432e-13" },
2511 { 1.234321234321234e-12L, "1.23432e-12" },
2512 { 1.234321234321234e-11L, "1.23432e-11" },
2513 { 1.234321234321234e-10L, "1.23432e-10" },
2514 { 1.234321234321234e-9L, "1.23432e-09" },
2515 { 1.234321234321234e-8L, "1.23432e-08" },
2516 { 1.234321234321234e-7L, "1.23432e-07" },
2517 { 1.234321234321234e-6L, "1.23432e-06" },
2518 { 1.234321234321234e-5L, "1.23432e-05" },
2519 { 1.234321234321234e-4L, "0.000123432" },
2520 { 1.234321234321234e-3L, "0.00123432" },
2521 { 1.234321234321234e-2L, "0.0123432" },
2522 { 1.234321234321234e-1L, "0.123432" },
2523 { 1.234321234321234L, "1.23432" },
2524 { 1.234321234321234e1L, "12.3432" },
2525 { 1.234321234321234e2L, "123.432" },
2526 { 1.234321234321234e3L, "1234.32" },
2527 { 1.234321234321234e4L, "12343.2" },
2528 { 1.234321234321234e5L, "123432" },
2529 { 1.234321234321234e6L, "1.23432e+06" },
2530 { 1.234321234321234e7L, "1.23432e+07" },
2531 { 1.234321234321234e8L, "1.23432e+08" },
2532 { 1.234321234321234e9L, "1.23432e+09" },
2533 { 1.234321234321234e10L, "1.23432e+10" },
2534 { 1.234321234321234e11L, "1.23432e+11" },
2535 { 1.234321234321234e12L, "1.23432e+12" },
2536 { 1.234321234321234e13L, "1.23432e+13" },
2537 { 1.234321234321234e14L, "1.23432e+14" },
2538 { 1.234321234321234e15L, "1.23432e+15" },
2539 { 1.234321234321234e16L, "1.23432e+16" },
2540 { 1.234321234321234e17L, "1.23432e+17" },
2541 { 1.234321234321234e18L, "1.23432e+18" },
2542 { 1.234321234321234e19L, "1.23432e+19" },
2543 { 1.234321234321234e20L, "1.23432e+20" },
2544 { 1.234321234321234e21L, "1.23432e+21" },
2545 { 1.234321234321234e22L, "1.23432e+22" },
2546 { 1.234321234321234e23L, "1.23432e+23" },
2547 { 1.234321234321234e24L, "1.23432e+24" },
2548 { 1.234321234321234e25L, "1.23432e+25" },
2549 { 1.234321234321234e26L, "1.23432e+26" },
2550 { 1.234321234321234e27L, "1.23432e+27" },
2551 { 1.234321234321234e28L, "1.23432e+28" },
2552 { 1.234321234321234e29L, "1.23432e+29" },
2553 { 1.234321234321234e30L, "1.23432e+30" },
2554 { 1.234321234321234e31L, "1.23432e+31" },
2555 { 1.234321234321234e32L, "1.23432e+32" },
2556 { 1.234321234321234e33L, "1.23432e+33" },
2557 { 1.234321234321234e34L, "1.23432e+34" },
2558 { 1.234321234321234e35L, "1.23432e+35" },
2559 { 1.234321234321234e36L, "1.23432e+36" }
2560 };
2561 size_t k;
2562 for (k = 0; k < SIZEOF (data); k++)
2563 {
2564 int retval =
2565 my_sprintf (result, "%Lg", data[k].value);
2566 const char *expected = data[k].string;
2567 ASSERT (strcmp (result, expected) == 0
2568 /* Some implementations produce exponents with 3 digits. */
2569 || (expected[strlen (expected) - 4] == 'e'
2570 && strlen (result) == strlen (expected) + 1
2571 && memcmp (result, expected, strlen (expected) - 2) == 0
2572 && result[strlen (expected) - 2] == '0'
2573 && strcmp (result + strlen (expected) - 1,
2574 expected + strlen (expected) - 2)
2575 == 0));
2576 ASSERT (retval == strlen (result));
2577 }
2578 }
2579
2580 { /* A negative number. */
2581 int retval =
2582 my_sprintf (result, "%Lg %d", -0.03125L, 33, 44, 55);
2583 ASSERT (strcmp (result, "-0.03125 33") == 0);
2584 ASSERT (retval == strlen (result));
2585 }
2586
2587 { /* Positive zero. */
2588 int retval =
2589 my_sprintf (result, "%Lg %d", 0.0L, 33, 44, 55);
2590 ASSERT (strcmp (result, "0 33") == 0);
2591 ASSERT (retval == strlen (result));
2592 }
2593
2594 { /* Negative zero. */
2595 int retval =
2596 my_sprintf (result, "%Lg %d", minus_zerol, 33, 44, 55);
2597 if (have_minus_zero ())
2598 ASSERT (strcmp (result, "-0 33") == 0);
2599 ASSERT (retval == strlen (result));
2600 }
2601
2602 { /* Positive infinity. */
2603 int retval =
2604 my_sprintf (result, "%Lg %d", Infinityl (), 33, 44, 55);
2605 ASSERT (strcmp (result, "inf 33") == 0
2606 || strcmp (result, "infinity 33") == 0);
2607 ASSERT (retval == strlen (result));
2608 }
2609
2610 { /* Negative infinity. */
2611 int retval =
2612 my_sprintf (result, "%Lg %d", - Infinityl (), 33, 44, 55);
2613 ASSERT (strcmp (result, "-inf 33") == 0
2614 || strcmp (result, "-infinity 33") == 0);
2615 ASSERT (retval == strlen (result));
2616 }
2617
2618 { /* NaN. */
2619 int retval =
2620 my_sprintf (result, "%Lg %d", NaNl (), 33, 44, 55);
2621 ASSERT (strlen (result) >= 3 + 3
2622 && strisnan (result, 0, strlen (result) - 3, 0)
2623 && strcmp (result + strlen (result) - 3, " 33") == 0);
2624 ASSERT (retval == strlen (result));
2625 }
2626 #if HAVE_SNANL
2627 { /* Signalling NaN. */
2628 int retval =
2629 my_sprintf (result, "%Lg %d", SNaNl (), 33, 44, 55);
2630 ASSERT (strlen (result) >= 3 + 3
2631 && strisnan (result, 0, strlen (result) - 3, 0)
2632 && strcmp (result + strlen (result) - 3, " 33") == 0);
2633 ASSERT (retval == strlen (result));
2634 }
2635 #endif
2636 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
2637 { /* Quiet NaN. */
2638 static union { unsigned int word[4]; long double value; } x =
2639 { .word = LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2640 int retval =
2641 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2642 ASSERT (strlen (result) >= 3 + 3
2643 && strisnan (result, 0, strlen (result) - 3, 0)
2644 && strcmp (result + strlen (result) - 3, " 33") == 0);
2645 ASSERT (retval == strlen (result));
2646 }
2647 {
2648 /* Signalling NaN. */
2649 static union { unsigned int word[4]; long double value; } x =
2650 { .word = LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2651 int retval =
2652 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2653 ASSERT (strlen (result) >= 3 + 3
2654 && strisnan (result, 0, strlen (result) - 3, 0)
2655 && strcmp (result + strlen (result) - 3, " 33") == 0);
2656 ASSERT (retval == strlen (result));
2657 }
2658 /* sprintf should print something for noncanonical values. */
2659 { /* Pseudo-NaN. */
2660 static union { unsigned int word[4]; long double value; } x =
2661 { .word = LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2662 int retval =
2663 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2664 ASSERT (retval == strlen (result));
2665 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2666 }
2667 { /* Pseudo-Infinity. */
2668 static union { unsigned int word[4]; long double value; } x =
2669 { .word = LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2670 int retval =
2671 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2672 ASSERT (retval == strlen (result));
2673 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2674 }
2675 { /* Pseudo-Zero. */
2676 static union { unsigned int word[4]; long double value; } x =
2677 { .word = LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2678 int retval =
2679 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2680 ASSERT (retval == strlen (result));
2681 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2682 }
2683 { /* Unnormalized number. */
2684 static union { unsigned int word[4]; long double value; } x =
2685 { .word = LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2686 int retval =
2687 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2688 ASSERT (retval == strlen (result));
2689 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2690 }
2691 { /* Pseudo-Denormal. */
2692 static union { unsigned int word[4]; long double value; } x =
2693 { .word = LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2694 int retval =
2695 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2696 ASSERT (retval == strlen (result));
2697 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2698 }
2699 #endif
2700
2701 { /* Width. */
2702 int retval =
2703 my_sprintf (result, "%10Lg %d", 1.75L, 33, 44, 55);
2704 ASSERT (strcmp (result, " 1.75 33") == 0);
2705 ASSERT (retval == strlen (result));
2706 }
2707
2708 { /* Width given as argument. */
2709 int retval =
2710 my_sprintf (result, "%*Lg %d", 10, 1.75L, 33, 44, 55);
2711 ASSERT (strcmp (result, " 1.75 33") == 0);
2712 ASSERT (retval == strlen (result));
2713 }
2714
2715 { /* Negative width given as argument (cf. FLAG_LEFT below). */
2716 int retval =
2717 my_sprintf (result, "%*Lg %d", -10, 1.75L, 33, 44, 55);
2718 ASSERT (strcmp (result, "1.75 33") == 0);
2719 ASSERT (retval == strlen (result));
2720 }
2721
2722 { /* FLAG_LEFT. */
2723 int retval =
2724 my_sprintf (result, "%-10Lg %d", 1.75L, 33, 44, 55);
2725 ASSERT (strcmp (result, "1.75 33") == 0);
2726 ASSERT (retval == strlen (result));
2727 }
2728
2729 { /* FLAG_SHOWSIGN. */
2730 int retval =
2731 my_sprintf (result, "%+Lg %d", 1.75L, 33, 44, 55);
2732 ASSERT (strcmp (result, "+1.75 33") == 0);
2733 ASSERT (retval == strlen (result));
2734 }
2735
2736 { /* FLAG_SPACE. */
2737 int retval =
2738 my_sprintf (result, "% Lg %d", 1.75L, 33, 44, 55);
2739 ASSERT (strcmp (result, " 1.75 33") == 0);
2740 ASSERT (retval == strlen (result));
2741 }
2742
2743 { /* FLAG_ALT. */
2744 int retval =
2745 my_sprintf (result, "%#Lg %d", 1.75L, 33, 44, 55);
2746 ASSERT (strcmp (result, "1.75000 33") == 0);
2747 ASSERT (retval == strlen (result));
2748 }
2749
2750 { /* FLAG_ALT. */
2751 int retval =
2752 my_sprintf (result, "%#.Lg %d", 1.75L, 33, 44, 55);
2753 ASSERT (strcmp (result, "2. 33") == 0);
2754 ASSERT (retval == strlen (result));
2755 }
2756
2757 { /* FLAG_ALT. */
2758 int retval =
2759 my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55);
2760 ASSERT (strcmp (result, "1.e+01 33") == 0
2761 || strcmp (result, "1.e+001 33") == 0);
2762 ASSERT (retval == strlen (result));
2763 }
2764
2765 { /* FLAG_ZERO with finite number. */
2766 int retval =
2767 my_sprintf (result, "%010Lg %d", 1234.0L, 33, 44, 55);
2768 ASSERT (strcmp (result, "0000001234 33") == 0);
2769 ASSERT (retval == strlen (result));
2770 }
2771
2772 { /* FLAG_ZERO with infinite number. */
2773 int retval =
2774 my_sprintf (result, "%015Lg %d", - Infinityl (), 33, 44, 55);
2775 ASSERT (strcmp (result, " -inf 33") == 0
2776 || strcmp (result, " -infinity 33") == 0);
2777 ASSERT (retval == strlen (result));
2778 }
2779
2780 { /* FLAG_ZERO with NaN. */
2781 int retval =
2782 my_sprintf (result, "%050Lg %d", NaNl (), 33, 44, 55);
2783 ASSERT (strlen (result) == 50 + 3
2784 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2785 && strcmp (result + strlen (result) - 3, " 33") == 0);
2786 ASSERT (retval == strlen (result));
2787 }
2788
2789 { /* Precision. */
2790 int retval =
2791 my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55);
2792 ASSERT (strcmp (result, "1e+03 33") == 0
2793 || strcmp (result, "1e+003 33") == 0);
2794 ASSERT (retval == strlen (result));
2795 }
2796
2797 { /* Precision with no rounding. */
2798 int retval =
2799 my_sprintf (result, "%.5Lg %d", 999.951L, 33, 44, 55);
2800 ASSERT (strcmp (result, "999.95 33") == 0);
2801 ASSERT (retval == strlen (result));
2802 }
2803
2804 { /* Precision with rounding. */
2805 int retval =
2806 my_sprintf (result, "%.5Lg %d", 999.996L, 33, 44, 55);
2807 ASSERT (strcmp (result, "1000 33") == 0);
2808 ASSERT (retval == strlen (result));
2809 }
2810
2811 #if NEED_PRINTF_WITH_N_DIRECTIVE
2812 /* Test the support of the %n format directive. */
2813
2814 {
2815 int count = -1;
2816 int retval =
2817 my_sprintf (result, "%d %n", 123, &count, 33, 44, 55);
2818 ASSERT (strcmp (result, "123 ") == 0);
2819 ASSERT (retval == strlen (result));
2820 ASSERT (count == 4);
2821 }
2822 #endif
2823
2824 /* Test the support of the POSIX/XSI format strings with positions. */
2825
2826 {
2827 int retval =
2828 my_sprintf (result, "%2$d %1$d", 33, 55);
2829 ASSERT (strcmp (result, "55 33") == 0);
2830 ASSERT (retval == strlen (result));
2831 }
2832
2833 /* Test the support of the grouping flag. */
2834
2835 {
2836 int retval =
2837 my_sprintf (result, "%'d %d", 1234567, 99);
2838 ASSERT (result[strlen (result) - 1] == '9');
2839 ASSERT (retval == strlen (result));
2840 }
2841
2842 /* Test the support of the left-adjust flag. */
2843
2844 {
2845 int retval =
2846 my_sprintf (result, "a%*sc", -3, "b");
2847 ASSERT (strcmp (result, "ab c") == 0);
2848 ASSERT (retval == strlen (result));
2849 }
2850
2851 {
2852 int retval =
2853 my_sprintf (result, "a%-*sc", 3, "b");
2854 ASSERT (strcmp (result, "ab c") == 0);
2855 ASSERT (retval == strlen (result));
2856 }
2857
2858 {
2859 int retval =
2860 my_sprintf (result, "a%-*sc", -3, "b");
2861 ASSERT (strcmp (result, "ab c") == 0);
2862 ASSERT (retval == strlen (result));
2863 }
2864
2865 /* Test the support of large precision. */
2866
2867 {
2868 int retval =
2869 my_sprintf (result, "%.4000d %d", 1234567, 99);
2870 size_t i;
2871 for (i = 0; i < 4000 - 7; i++)
2872 ASSERT (result[i] == '0');
2873 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2874 ASSERT (retval == strlen (result));
2875 }
2876
2877 {
2878 int retval =
2879 my_sprintf (result, "%.*d %d", 4000, 1234567, 99);
2880 size_t i;
2881 for (i = 0; i < 4000 - 7; i++)
2882 ASSERT (result[i] == '0');
2883 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2884 ASSERT (retval == strlen (result));
2885 }
2886
2887 {
2888 int retval =
2889 my_sprintf (result, "%.4000d %d", -1234567, 99);
2890 size_t i;
2891 ASSERT (result[0] == '-');
2892 for (i = 0; i < 4000 - 7; i++)
2893 ASSERT (result[1 + i] == '0');
2894 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
2895 ASSERT (retval == strlen (result));
2896 }
2897
2898 {
2899 int retval =
2900 my_sprintf (result, "%.4000u %d", 1234567, 99);
2901 size_t i;
2902 for (i = 0; i < 4000 - 7; i++)
2903 ASSERT (result[i] == '0');
2904 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2905 ASSERT (retval == strlen (result));
2906 }
2907
2908 {
2909 int retval =
2910 my_sprintf (result, "%.4000o %d", 1234567, 99);
2911 size_t i;
2912 for (i = 0; i < 4000 - 7; i++)
2913 ASSERT (result[i] == '0');
2914 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
2915 ASSERT (retval == strlen (result));
2916 }
2917
2918 {
2919 int retval =
2920 my_sprintf (result, "%.4000x %d", 1234567, 99);
2921 size_t i;
2922 for (i = 0; i < 4000 - 6; i++)
2923 ASSERT (result[i] == '0');
2924 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
2925 ASSERT (retval == strlen (result));
2926 }
2927
2928 {
2929 int retval =
2930 my_sprintf (result, "%#.4000x %d", 1234567, 99);
2931 size_t i;
2932 ASSERT (result[0] == '0');
2933 ASSERT (result[1] == 'x');
2934 for (i = 0; i < 4000 - 6; i++)
2935 ASSERT (result[2 + i] == '0');
2936 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
2937 ASSERT (retval == strlen (result));
2938 }
2939
2940 {
2941 int retval =
2942 my_sprintf (result, "%.4000f %d", 1.0, 99);
2943 size_t i;
2944 ASSERT (result[0] == '1');
2945 ASSERT (result[1] == '.');
2946 for (i = 0; i < 4000; i++)
2947 ASSERT (result[2 + i] == '0');
2948 ASSERT (strcmp (result + 2 + 4000, " 99") == 0);
2949 ASSERT (retval == strlen (result));
2950 }
2951
2952 {
2953 int retval =
2954 my_sprintf (result, "%.511f %d", 1.0, 99);
2955 size_t i;
2956 ASSERT (result[0] == '1');
2957 ASSERT (result[1] == '.');
2958 for (i = 0; i < 511; i++)
2959 ASSERT (result[2 + i] == '0');
2960 ASSERT (strcmp (result + 2 + 511, " 99") == 0);
2961 ASSERT (retval == strlen (result));
2962 }
2963
2964 {
2965 char input[5000];
2966 int retval;
2967 size_t i;
2968
2969 for (i = 0; i < sizeof (input) - 1; i++)
2970 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
2971 input[i] = '\0';
2972 retval = my_sprintf (result, "%.4000s %d", input, 99);
2973 ASSERT (memcmp (result, input, 4000) == 0);
2974 ASSERT (strcmp (result + 4000, " 99") == 0);
2975 ASSERT (retval == strlen (result));
2976 }
2977
2978 /* Test the support of the %s format directive. */
2979
2980 { /* Width. */
2981 int retval =
2982 my_sprintf (result, "%10s %d", "xyz", 33, 44, 55);
2983 ASSERT (strcmp (result, " xyz 33") == 0);
2984 ASSERT (retval == strlen (result));
2985 }
2986
2987 { /* Width given as argument. */
2988 int retval =
2989 my_sprintf (result, "%*s %d", 10, "xyz", 33, 44, 55);
2990 ASSERT (strcmp (result, " xyz 33") == 0);
2991 ASSERT (retval == strlen (result));
2992 }
2993
2994 { /* Negative width given as argument (cf. FLAG_LEFT below). */
2995 int retval =
2996 my_sprintf (result, "%*s %d", -10, "xyz", 33, 44, 55);
2997 ASSERT (strcmp (result, "xyz 33") == 0);
2998 ASSERT (retval == strlen (result));
2999 }
3000
3001 { /* FLAG_LEFT. */
3002 int retval =
3003 my_sprintf (result, "%-10s %d", "xyz", 33, 44, 55);
3004 ASSERT (strcmp (result, "xyz 33") == 0);
3005 ASSERT (retval == strlen (result));
3006 }
3007
3008 #if HAVE_WCHAR_T
3009 static wchar_t L_xyz[4] = { 'x', 'y', 'z', 0 };
3010
3011 { /* Width. */
3012 int retval =
3013 my_sprintf (result, "%10ls %d", L_xyz, 33, 44, 55);
3014 ASSERT (strcmp (result, " xyz 33") == 0);
3015 ASSERT (retval == strlen (result));
3016 }
3017
3018 { /* Width given as argument. */
3019 int retval =
3020 my_sprintf (result, "%*ls %d", 10, L_xyz, 33, 44, 55);
3021 ASSERT (strcmp (result, " xyz 33") == 0);
3022 ASSERT (retval == strlen (result));
3023 }
3024
3025 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3026 int retval =
3027 my_sprintf (result, "%*ls %d", -10, L_xyz, 33, 44, 55);
3028 ASSERT (strcmp (result, "xyz 33") == 0);
3029 ASSERT (retval == strlen (result));
3030 }
3031
3032 { /* FLAG_LEFT. */
3033 int retval =
3034 my_sprintf (result, "%-10ls %d", L_xyz, 33, 44, 55);
3035 ASSERT (strcmp (result, "xyz 33") == 0);
3036 ASSERT (retval == strlen (result));
3037 }
3038 #endif
3039
3040 /* To verify that these tests succeed, it is necessary to run them under
3041 a tool that checks against invalid memory accesses, such as ElectricFence
3042 or "valgrind --tool=memcheck". */
3043 {
3044 size_t i;
3045
3046 for (i = 1; i <= 8; i++)
3047 {
3048 char *block;
3049 int retval;
3050
3051 block = (char *) malloc (i);
3052 memcpy (block, "abcdefgh", i);
3053 retval = my_sprintf (result, "%.*s", (int) i, block);
3054 ASSERT (memcmp (result, block, i) == 0);
3055 ASSERT (result[i] == '\0');
3056 ASSERT (retval == strlen (result));
3057 free (block);
3058 }
3059 }
3060 #if HAVE_WCHAR_T
3061 {
3062 size_t i;
3063
3064 for (i = 1; i <= 8; i++)
3065 {
3066 wchar_t *block;
3067 size_t j;
3068 int retval;
3069
3070 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3071 for (j = 0; j < i; j++)
3072 block[j] = "abcdefgh"[j];
3073 retval = my_sprintf (result, "%.*ls", (int) i, block);
3074 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3075 ASSERT (result[i] == '\0');
3076 ASSERT (retval == strlen (result));
3077 free (block);
3078 }
3079 }
3080 #endif
3081
3082 /* Test the support of the %c format directive. */
3083
3084 { /* Width. */
3085 int retval =
3086 my_sprintf (result, "%10c %d", (unsigned char) 'x', 33, 44, 55);
3087 ASSERT (strcmp (result, " x 33") == 0);
3088 ASSERT (retval == strlen (result));
3089 }
3090
3091 { /* Width given as argument. */
3092 int retval =
3093 my_sprintf (result, "%*c %d", 10, (unsigned char) 'x', 33, 44, 55);
3094 ASSERT (strcmp (result, " x 33") == 0);
3095 ASSERT (retval == strlen (result));
3096 }
3097
3098 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3099 int retval =
3100 my_sprintf (result, "%*c %d", -10, (unsigned char) 'x', 33, 44, 55);
3101 ASSERT (strcmp (result, "x 33") == 0);
3102 ASSERT (retval == strlen (result));
3103 }
3104
3105 { /* FLAG_LEFT. */
3106 int retval =
3107 my_sprintf (result, "%-10c %d", (unsigned char) 'x', 33, 44, 55);
3108 ASSERT (strcmp (result, "x 33") == 0);
3109 ASSERT (retval == strlen (result));
3110 }
3111
3112 { /* Precision is ignored. */
3113 int retval =
3114 my_sprintf (result, "%.0c %d", (unsigned char) 'x', 33, 44, 55);
3115 ASSERT (strcmp (result, "x 33") == 0);
3116 ASSERT (retval == strlen (result));
3117 }
3118
3119 { /* NUL character. */
3120 int retval =
3121 my_sprintf (result, "a%cz %d", '\0', 33, 44, 55);
3122 ASSERT (memcmp (result, "a\0z 33\0", 6 + 1) == 0);
3123 ASSERT (retval == 6);
3124 }
3125
3126 #if HAVE_WCHAR_T
3127 static wint_t L_x = (wchar_t) 'x';
3128
3129 { /* Width. */
3130 int retval =
3131 my_sprintf (result, "%10lc %d", L_x, 33, 44, 55);
3132 ASSERT (strcmp (result, " x 33") == 0);
3133 ASSERT (retval == strlen (result));
3134 }
3135
3136 { /* Width given as argument. */
3137 int retval =
3138 my_sprintf (result, "%*lc %d", 10, L_x, 33, 44, 55);
3139 ASSERT (strcmp (result, " x 33") == 0);
3140 ASSERT (retval == strlen (result));
3141 }
3142
3143 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3144 int retval =
3145 my_sprintf (result, "%*lc %d", -10, L_x, 33, 44, 55);
3146 ASSERT (strcmp (result, "x 33") == 0);
3147 ASSERT (retval == strlen (result));
3148 }
3149
3150 { /* FLAG_LEFT. */
3151 int retval =
3152 my_sprintf (result, "%-10lc %d", L_x, 33, 44, 55);
3153 ASSERT (strcmp (result, "x 33") == 0);
3154 ASSERT (retval == strlen (result));
3155 }
3156
3157 { /* Precision is ignored. */
3158 int retval =
3159 my_sprintf (result, "%.0lc %d", L_x, 33, 44, 55);
3160 ASSERT (strcmp (result, "x 33") == 0);
3161 ASSERT (retval == strlen (result));
3162 }
3163
3164 { /* NUL character. */
3165 int retval =
3166 my_sprintf (result, "a%lcz %d", (wint_t) L'\0', 33, 44, 55);
3167 /* ISO C had this wrong for decades. ISO C 23 now corrects it, through
3168 this wording:
3169 "If an l length modifier is present, the wint_t argument is converted
3170 as if by a call to the wcrtomb function with a pointer to storage of
3171 at least MB_CUR_MAX bytes, the wint_t argument converted to wchar_t,
3172 and an initial shift state." */
3173 /* This test is known to fail
3174 - on musl libc,
3175 - with gcc 14 <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114876> */
3176 ASSERT (memcmp (result, "a\0z 33\0", 6 + 1) == 0);
3177 ASSERT (retval == 6);
3178 }
3179
3180 static wint_t L_invalid = (wchar_t) 0x76543210;
3181
3182 { /* Invalid wide character.
3183 The conversion may succeed or may fail, but it should not abort. */
3184 int retval =
3185 my_sprintf (result, "%lc %d", L_invalid, 33, 44, 55);
3186 (void) retval;
3187 }
3188
3189 { /* Invalid wide character and width.
3190 The conversion may succeed or may fail, but it should not abort. */
3191 int retval =
3192 my_sprintf (result, "%10lc %d", L_invalid, 33, 44, 55);
3193 (void) retval;
3194 }
3195 #endif
3196
3197 /* Test the support of the 'x' conversion specifier for hexadecimal output of
3198 integers. */
3199
3200 { /* Zero. */
3201 int retval =
3202 my_sprintf (result, "%x %d", 0, 33, 44, 55);
3203 ASSERT (strcmp (result, "0 33") == 0);
3204 ASSERT (retval == strlen (result));
3205 }
3206
3207 { /* A positive number. */
3208 int retval =
3209 my_sprintf (result, "%x %d", 12348, 33, 44, 55);
3210 ASSERT (strcmp (result, "303c 33") == 0);
3211 ASSERT (retval == strlen (result));
3212 }
3213
3214 { /* A large positive number. */
3215 int retval =
3216 my_sprintf (result, "%x %d", 0xFFFFFFFEU, 33, 44, 55);
3217 ASSERT (strcmp (result, "fffffffe 33") == 0);
3218 ASSERT (retval == strlen (result));
3219 }
3220
3221 { /* Width. */
3222 int retval =
3223 my_sprintf (result, "%10x %d", 12348, 33, 44, 55);
3224 ASSERT (strcmp (result, " 303c 33") == 0);
3225 ASSERT (retval == strlen (result));
3226 }
3227
3228 { /* Width given as argument. */
3229 int retval =
3230 my_sprintf (result, "%*x %d", 10, 12348, 33, 44, 55);
3231 ASSERT (strcmp (result, " 303c 33") == 0);
3232 ASSERT (retval == strlen (result));
3233 }
3234
3235 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3236 int retval =
3237 my_sprintf (result, "%*x %d", -10, 12348, 33, 44, 55);
3238 ASSERT (strcmp (result, "303c 33") == 0);
3239 ASSERT (retval == strlen (result));
3240 }
3241
3242 { /* Precision. */
3243 int retval =
3244 my_sprintf (result, "%.10x %d", 12348, 33, 44, 55);
3245 ASSERT (strcmp (result, "000000303c 33") == 0);
3246 ASSERT (retval == strlen (result));
3247 }
3248
3249 { /* Zero precision and a positive number. */
3250 int retval =
3251 my_sprintf (result, "%.0x %d", 12348, 33, 44, 55);
3252 ASSERT (strcmp (result, "303c 33") == 0);
3253 ASSERT (retval == strlen (result));
3254 }
3255
3256 { /* Zero precision and a zero number. */
3257 int retval =
3258 my_sprintf (result, "%.0x %d", 0, 33, 44, 55);
3259 /* ISO C and POSIX specify that "The result of converting a zero value
3260 with a precision of zero is no characters." */
3261 ASSERT (strcmp (result, " 33") == 0);
3262 ASSERT (retval == strlen (result));
3263 }
3264
3265 { /* Width and precision. */
3266 int retval =
3267 my_sprintf (result, "%15.10x %d", 12348, 33, 44, 55);
3268 ASSERT (strcmp (result, " 000000303c 33") == 0);
3269 ASSERT (retval == strlen (result));
3270 }
3271
3272 { /* Padding and precision. */
3273 int retval =
3274 my_sprintf (result, "%015.10x %d", 12348, 33, 44, 55);
3275 /* ISO C 99 § 7.19.6.1.(6) says: "For d, i, o, u, x, and X conversions, if a
3276 precision is specified, the 0 flag is ignored." */
3277 ASSERT (strcmp (result, " 000000303c 33") == 0);
3278 ASSERT (retval == strlen (result));
3279 }
3280
3281 { /* FLAG_LEFT. */
3282 int retval =
3283 my_sprintf (result, "%-10x %d", 12348, 33, 44, 55);
3284 ASSERT (strcmp (result, "303c 33") == 0);
3285 ASSERT (retval == strlen (result));
3286 }
3287
3288 { /* FLAG_ALT with zero. */
3289 int retval =
3290 my_sprintf (result, "%#x %d", 0, 33, 44, 55);
3291 ASSERT (strcmp (result, "0 33") == 0);
3292 ASSERT (retval == strlen (result));
3293 }
3294
3295 { /* FLAG_ALT with a positive number. */
3296 int retval =
3297 my_sprintf (result, "%#x %d", 12348, 33, 44, 55);
3298 ASSERT (strcmp (result, "0x303c 33") == 0);
3299 ASSERT (retval == strlen (result));
3300 }
3301
3302 { /* FLAG_ALT with a positive number and width. */
3303 int retval =
3304 my_sprintf (result, "%#10x %d", 12348, 33, 44, 55);
3305 ASSERT (strcmp (result, " 0x303c 33") == 0);
3306 ASSERT (retval == strlen (result));
3307 }
3308
3309 { /* FLAG_ALT with a positive number and padding. */
3310 int retval =
3311 my_sprintf (result, "%0#10x %d", 12348, 33, 44, 55);
3312 ASSERT (strcmp (result, "0x0000303c 33") == 0);
3313 ASSERT (retval == strlen (result));
3314 }
3315
3316 { /* FLAG_ALT with a positive number and precision. */
3317 int retval =
3318 my_sprintf (result, "%0#.10x %d", 12348, 33, 44, 55);
3319 ASSERT (strcmp (result, "0x000000303c 33") == 0);
3320 ASSERT (retval == strlen (result));
3321 }
3322
3323 { /* FLAG_ALT with a positive number and width and precision. */
3324 int retval =
3325 my_sprintf (result, "%#15.10x %d", 12348, 33, 44, 55);
3326 ASSERT (strcmp (result, " 0x000000303c 33") == 0);
3327 ASSERT (retval == strlen (result));
3328 }
3329
3330 { /* FLAG_ALT with a positive number and padding and precision. */
3331 int retval =
3332 my_sprintf (result, "%0#15.10x %d", 12348, 33, 44, 55);
3333 /* ISO C 99 § 7.19.6.1.(6) says: "For d, i, o, u, x, and X conversions, if a
3334 precision is specified, the 0 flag is ignored." */
3335 ASSERT (strcmp (result, " 0x000000303c 33") == 0);
3336 ASSERT (retval == strlen (result));
3337 }
3338
3339 { /* FLAG_ALT with a zero precision and a zero number. */
3340 int retval =
3341 my_sprintf (result, "%#.0x %d", 0, 33, 44, 55);
3342 /* ISO C and POSIX specify that "The result of converting a zero value
3343 with a precision of zero is no characters.", and the prefix is added
3344 only for non-zero values. */
3345 ASSERT (strcmp (result, " 33") == 0);
3346 ASSERT (retval == strlen (result));
3347 }
3348
3349 { /* Uppercase 'X'. */
3350 int retval =
3351 my_sprintf (result, "%X %d", 12348, 33, 44, 55);
3352 ASSERT (strcmp (result, "303C 33") == 0);
3353 ASSERT (retval == strlen (result));
3354 }
3355
3356 { /* Uppercase 'X' with FLAG_ALT. */
3357 int retval =
3358 my_sprintf (result, "%#X %d", 12348, 33, 44, 55);
3359 ASSERT (strcmp (result, "0X303C 33") == 0);
3360 ASSERT (retval == strlen (result));
3361 }
3362
3363 { /* Uppercase 'X' with FLAG_ALT and zero precision and a zero number. */
3364 int retval =
3365 my_sprintf (result, "%#.0X %d", 0, 33, 44, 55);
3366 /* ISO C and POSIX specify that "The result of converting a zero value
3367 with a precision of zero is no characters.", and the prefix is added
3368 only for non-zero values. */
3369 ASSERT (strcmp (result, " 33") == 0);
3370 ASSERT (retval == strlen (result));
3371 }
3372
3373 /* Test the support of the 'b' conversion specifier for binary output of
3374 integers. */
3375
3376 { /* Zero. */
3377 int retval =
3378 my_sprintf (result, "%b %d", 0, 33, 44, 55);
3379 ASSERT (strcmp (result, "0 33") == 0);
3380 ASSERT (retval == strlen (result));
3381 }
3382
3383 { /* A positive number. */
3384 int retval =
3385 my_sprintf (result, "%b %d", 12345, 33, 44, 55);
3386 ASSERT (strcmp (result, "11000000111001 33") == 0);
3387 ASSERT (retval == strlen (result));
3388 }
3389
3390 { /* A large positive number. */
3391 int retval =
3392 my_sprintf (result, "%b %d", 0xFFFFFFFEU, 33, 44, 55);
3393 ASSERT (strcmp (result, "11111111111111111111111111111110 33") == 0);
3394 ASSERT (retval == strlen (result));
3395 }
3396
3397 { /* Width. */
3398 int retval =
3399 my_sprintf (result, "%20b %d", 12345, 33, 44, 55);
3400 ASSERT (strcmp (result, " 11000000111001 33") == 0);
3401 ASSERT (retval == strlen (result));
3402 }
3403
3404 { /* Width given as argument. */
3405 int retval =
3406 my_sprintf (result, "%*b %d", 20, 12345, 33, 44, 55);
3407 ASSERT (strcmp (result, " 11000000111001 33") == 0);
3408 ASSERT (retval == strlen (result));
3409 }
3410
3411 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3412 int retval =
3413 my_sprintf (result, "%*b %d", -20, 12345, 33, 44, 55);
3414 ASSERT (strcmp (result, "11000000111001 33") == 0);
3415 ASSERT (retval == strlen (result));
3416 }
3417
3418 { /* Precision. */
3419 int retval =
3420 my_sprintf (result, "%.20b %d", 12345, 33, 44, 55);
3421 ASSERT (strcmp (result, "00000011000000111001 33") == 0);
3422 ASSERT (retval == strlen (result));
3423 }
3424
3425 { /* Zero precision and a positive number. */
3426 int retval =
3427 my_sprintf (result, "%.0b %d", 12345, 33, 44, 55);
3428 ASSERT (strcmp (result, "11000000111001 33") == 0);
3429 ASSERT (retval == strlen (result));
3430 }
3431
3432 { /* Zero precision and a zero number. */
3433 int retval =
3434 my_sprintf (result, "%.0b %d", 0, 33, 44, 55);
3435 /* ISO C and POSIX specify that "The result of converting a zero value
3436 with a precision of zero is no characters." */
3437 ASSERT (strcmp (result, " 33") == 0);
3438 ASSERT (retval == strlen (result));
3439 }
3440
3441 { /* Width and precision. */
3442 int retval =
3443 my_sprintf (result, "%25.20b %d", 12345, 33, 44, 55);
3444 ASSERT (strcmp (result, " 00000011000000111001 33") == 0);
3445 ASSERT (retval == strlen (result));
3446 }
3447
3448 { /* Padding and precision. */
3449 int retval =
3450 my_sprintf (result, "%025.20b %d", 12345, 33, 44, 55);
3451 /* Neither ISO C nor POSIX specify that the '0' flag is ignored when
3452 a width and a precision are both present. But implementations do so. */
3453 ASSERT (strcmp (result, " 00000011000000111001 33") == 0);
3454 ASSERT (retval == strlen (result));
3455 }
3456
3457 { /* FLAG_LEFT. */
3458 int retval =
3459 my_sprintf (result, "%-20b %d", 12345, 33, 44, 55);
3460 ASSERT (strcmp (result, "11000000111001 33") == 0);
3461 ASSERT (retval == strlen (result));
3462 }
3463
3464 { /* FLAG_ALT with zero. */
3465 int retval =
3466 my_sprintf (result, "%#b %d", 0, 33, 44, 55);
3467 ASSERT (strcmp (result, "0 33") == 0);
3468 ASSERT (retval == strlen (result));
3469 }
3470
3471 { /* FLAG_ALT with a positive number. */
3472 int retval =
3473 my_sprintf (result, "%#b %d", 12345, 33, 44, 55);
3474 ASSERT (strcmp (result, "0b11000000111001 33") == 0);
3475 ASSERT (retval == strlen (result));
3476 }
3477
3478 { /* FLAG_ALT with a positive number and width. */
3479 int retval =
3480 my_sprintf (result, "%#20b %d", 12345, 33, 44, 55);
3481 ASSERT (strcmp (result, " 0b11000000111001 33") == 0);
3482 ASSERT (retval == strlen (result));
3483 }
3484
3485 { /* FLAG_ALT with a positive number and padding. */
3486 int retval =
3487 my_sprintf (result, "%0#20b %d", 12345, 33, 44, 55);
3488 ASSERT (strcmp (result, "0b000011000000111001 33") == 0);
3489 ASSERT (retval == strlen (result));
3490 }
3491
3492 { /* FLAG_ALT with a positive number and precision. */
3493 int retval =
3494 my_sprintf (result, "%0#.20b %d", 12345, 33, 44, 55);
3495 ASSERT (strcmp (result, "0b00000011000000111001 33") == 0);
3496 ASSERT (retval == strlen (result));
3497 }
3498
3499 { /* FLAG_ALT with a positive number and width and precision. */
3500 int retval =
3501 my_sprintf (result, "%#25.20b %d", 12345, 33, 44, 55);
3502 ASSERT (strcmp (result, " 0b00000011000000111001 33") == 0);
3503 ASSERT (retval == strlen (result));
3504 }
3505
3506 { /* FLAG_ALT with a positive number and padding and precision. */
3507 int retval =
3508 my_sprintf (result, "%0#25.20b %d", 12345, 33, 44, 55);
3509 /* Neither ISO C nor POSIX specify that the '0' flag is ignored when
3510 a width and a precision are both present. But implementations do so. */
3511 ASSERT (strcmp (result, " 0b00000011000000111001 33") == 0);
3512 ASSERT (retval == strlen (result));
3513 }
3514
3515 { /* FLAG_ALT with a zero precision and a zero number. */
3516 int retval =
3517 my_sprintf (result, "%#.0b %d", 0, 33, 44, 55);
3518 /* ISO C and POSIX specify that "The result of converting a zero value
3519 with a precision of zero is no characters.", and the prefix is added
3520 only for non-zero values. */
3521 ASSERT (strcmp (result, " 33") == 0);
3522 ASSERT (retval == strlen (result));
3523 }
3524
3525 /* Test the support of argument type/size specifiers for signed integer
3526 conversions. */
3527
3528 {
3529 int retval =
3530 my_sprintf (result, "%hhd %d", (signed char) -42, 33, 44, 55);
3531 ASSERT (strcmp (result, "-42 33") == 0);
3532 ASSERT (retval == strlen (result));
3533 }
3534
3535 {
3536 int retval =
3537 my_sprintf (result, "%hd %d", (short) -12345, 33, 44, 55);
3538 ASSERT (strcmp (result, "-12345 33") == 0);
3539 ASSERT (retval == strlen (result));
3540 }
3541
3542 {
3543 int retval =
3544 my_sprintf (result, "%d %d", -12345, 33, 44, 55);
3545 ASSERT (strcmp (result, "-12345 33") == 0);
3546 ASSERT (retval == strlen (result));
3547 }
3548
3549 {
3550 int retval =
3551 my_sprintf (result, "%ld %d", (long int) -12345, 33, 44, 55);
3552 ASSERT (strcmp (result, "-12345 33") == 0);
3553 ASSERT (retval == strlen (result));
3554 }
3555
3556 {
3557 int retval =
3558 my_sprintf (result, "%lld %d", (long long int) -12345, 33, 44, 55);
3559 ASSERT (strcmp (result, "-12345 33") == 0);
3560 ASSERT (retval == strlen (result));
3561 }
3562
3563 {
3564 int retval =
3565 my_sprintf (result, "%w8d %d", (int8_t) -42, 33, 44, 55);
3566 ASSERT (strcmp (result, "-42 33") == 0);
3567 ASSERT (retval == strlen (result));
3568 }
3569
3570 {
3571 int retval =
3572 my_sprintf (result, "%w16d %d", (int16_t) -12345, 33, 44, 55);
3573 ASSERT (strcmp (result, "-12345 33") == 0);
3574 ASSERT (retval == strlen (result));
3575 }
3576
3577 {
3578 int retval =
3579 my_sprintf (result, "%w32d %d", (int32_t) -12345, 33, 44, 55);
3580 ASSERT (strcmp (result, "-12345 33") == 0);
3581 ASSERT (retval == strlen (result));
3582 }
3583
3584 {
3585 int retval =
3586 my_sprintf (result, "%w64d %d", (int64_t) -12345, 33, 44, 55);
3587 ASSERT (strcmp (result, "-12345 33") == 0);
3588 ASSERT (retval == strlen (result));
3589 }
3590
3591 {
3592 int retval =
3593 my_sprintf (result, "%wf8d %d", (int_fast8_t) -42, 33, 44, 55);
3594 ASSERT (strcmp (result, "-42 33") == 0);
3595 ASSERT (retval == strlen (result));
3596 }
3597
3598 {
3599 int retval =
3600 my_sprintf (result, "%wf16d %d", (int_fast16_t) -12345, 33, 44, 55);
3601 ASSERT (strcmp (result, "-12345 33") == 0);
3602 ASSERT (retval == strlen (result));
3603 }
3604
3605 {
3606 int retval =
3607 my_sprintf (result, "%wf32d %d", (int_fast32_t) -12345, 33, 44, 55);
3608 ASSERT (strcmp (result, "-12345 33") == 0);
3609 ASSERT (retval == strlen (result));
3610 }
3611
3612 {
3613 int retval =
3614 my_sprintf (result, "%wf64d %d", (int_fast64_t) -12345, 33, 44, 55);
3615 ASSERT (strcmp (result, "-12345 33") == 0);
3616 ASSERT (retval == strlen (result));
3617 }
3618
3619 /* Test the support of argument type/size specifiers for unsigned integer
3620 conversions: %u */
3621
3622 {
3623 int retval =
3624 my_sprintf (result, "%hhu %d", (unsigned char) 42, 33, 44, 55);
3625 ASSERT (strcmp (result, "42 33") == 0);
3626 ASSERT (retval == strlen (result));
3627 }
3628
3629 {
3630 int retval =
3631 my_sprintf (result, "%hu %d", (unsigned short) 12345, 33, 44, 55);
3632 ASSERT (strcmp (result, "12345 33") == 0);
3633 ASSERT (retval == strlen (result));
3634 }
3635
3636 {
3637 int retval =
3638 my_sprintf (result, "%u %d", (unsigned int) 12345, 33, 44, 55);
3639 ASSERT (strcmp (result, "12345 33") == 0);
3640 ASSERT (retval == strlen (result));
3641 }
3642
3643 {
3644 int retval =
3645 my_sprintf (result, "%lu %d", (unsigned long int) 12345, 33, 44, 55);
3646 ASSERT (strcmp (result, "12345 33") == 0);
3647 ASSERT (retval == strlen (result));
3648 }
3649
3650 {
3651 int retval =
3652 my_sprintf (result, "%llu %d", (unsigned long long int) 12345, 33, 44, 55);
3653 ASSERT (strcmp (result, "12345 33") == 0);
3654 ASSERT (retval == strlen (result));
3655 }
3656
3657 {
3658 int retval =
3659 my_sprintf (result, "%w8u %d", (uint8_t) 42, 33, 44, 55);
3660 ASSERT (strcmp (result, "42 33") == 0);
3661 ASSERT (retval == strlen (result));
3662 }
3663
3664 {
3665 int retval =
3666 my_sprintf (result, "%w16u %d", (uint16_t) 12345, 33, 44, 55);
3667 ASSERT (strcmp (result, "12345 33") == 0);
3668 ASSERT (retval == strlen (result));
3669 }
3670
3671 {
3672 int retval =
3673 my_sprintf (result, "%w32u %d", (uint32_t) 12345, 33, 44, 55);
3674 ASSERT (strcmp (result, "12345 33") == 0);
3675 ASSERT (retval == strlen (result));
3676 }
3677
3678 {
3679 int retval =
3680 my_sprintf (result, "%w64u %d", (uint64_t) 12345, 33, 44, 55);
3681 ASSERT (strcmp (result, "12345 33") == 0);
3682 ASSERT (retval == strlen (result));
3683 }
3684
3685 {
3686 int retval =
3687 my_sprintf (result, "%wf8u %d", (uint_fast8_t) 42, 33, 44, 55);
3688 ASSERT (strcmp (result, "42 33") == 0);
3689 ASSERT (retval == strlen (result));
3690 }
3691
3692 {
3693 int retval =
3694 my_sprintf (result, "%wf16u %d", (uint_fast16_t) 12345, 33, 44, 55);
3695 ASSERT (strcmp (result, "12345 33") == 0);
3696 ASSERT (retval == strlen (result));
3697 }
3698
3699 {
3700 int retval =
3701 my_sprintf (result, "%wf32u %d", (uint_fast32_t) 12345, 33, 44, 55);
3702 ASSERT (strcmp (result, "12345 33") == 0);
3703 ASSERT (retval == strlen (result));
3704 }
3705
3706 {
3707 int retval =
3708 my_sprintf (result, "%wf64u %d", (uint_fast64_t) 12345, 33, 44, 55);
3709 ASSERT (strcmp (result, "12345 33") == 0);
3710 ASSERT (retval == strlen (result));
3711 }
3712
3713 /* Test the support of argument type/size specifiers for unsigned integer
3714 conversions: %b */
3715
3716 {
3717 int retval =
3718 my_sprintf (result, "%hhb %d", (unsigned char) 42, 33, 44, 55);
3719 ASSERT (strcmp (result, "101010 33") == 0);
3720 ASSERT (retval == strlen (result));
3721 }
3722
3723 {
3724 int retval =
3725 my_sprintf (result, "%hb %d", (unsigned short) 12345, 33, 44, 55);
3726 ASSERT (strcmp (result, "11000000111001 33") == 0);
3727 ASSERT (retval == strlen (result));
3728 }
3729
3730 {
3731 int retval =
3732 my_sprintf (result, "%b %d", (unsigned int) 12345, 33, 44, 55);
3733 ASSERT (strcmp (result, "11000000111001 33") == 0);
3734 ASSERT (retval == strlen (result));
3735 }
3736
3737 {
3738 int retval =
3739 my_sprintf (result, "%lb %d", (unsigned long int) 12345, 33, 44, 55);
3740 ASSERT (strcmp (result, "11000000111001 33") == 0);
3741 ASSERT (retval == strlen (result));
3742 }
3743
3744 {
3745 int retval =
3746 my_sprintf (result, "%llb %d", (unsigned long long int) 12345, 33, 44, 55);
3747 ASSERT (strcmp (result, "11000000111001 33") == 0);
3748 ASSERT (retval == strlen (result));
3749 }
3750
3751 {
3752 int retval =
3753 my_sprintf (result, "%w8b %d", (uint8_t) 42, 33, 44, 55);
3754 ASSERT (strcmp (result, "101010 33") == 0);
3755 ASSERT (retval == strlen (result));
3756 }
3757
3758 {
3759 int retval =
3760 my_sprintf (result, "%w16b %d", (uint16_t) 12345, 33, 44, 55);
3761 ASSERT (strcmp (result, "11000000111001 33") == 0);
3762 ASSERT (retval == strlen (result));
3763 }
3764
3765 {
3766 int retval =
3767 my_sprintf (result, "%w32b %d", (uint32_t) 12345, 33, 44, 55);
3768 ASSERT (strcmp (result, "11000000111001 33") == 0);
3769 ASSERT (retval == strlen (result));
3770 }
3771
3772 {
3773 int retval =
3774 my_sprintf (result, "%w64b %d", (uint64_t) 12345, 33, 44, 55);
3775 ASSERT (strcmp (result, "11000000111001 33") == 0);
3776 ASSERT (retval == strlen (result));
3777 }
3778
3779 {
3780 int retval =
3781 my_sprintf (result, "%wf8b %d", (uint_fast8_t) 42, 33, 44, 55);
3782 ASSERT (strcmp (result, "101010 33") == 0);
3783 ASSERT (retval == strlen (result));
3784 }
3785
3786 {
3787 int retval =
3788 my_sprintf (result, "%wf16b %d", (uint_fast16_t) 12345, 33, 44, 55);
3789 ASSERT (strcmp (result, "11000000111001 33") == 0);
3790 ASSERT (retval == strlen (result));
3791 }
3792
3793 {
3794 int retval =
3795 my_sprintf (result, "%wf32b %d", (uint_fast32_t) 12345, 33, 44, 55);
3796 ASSERT (strcmp (result, "11000000111001 33") == 0);
3797 ASSERT (retval == strlen (result));
3798 }
3799
3800 {
3801 int retval =
3802 my_sprintf (result, "%wf64b %d", (uint_fast64_t) 12345, 33, 44, 55);
3803 ASSERT (strcmp (result, "11000000111001 33") == 0);
3804 ASSERT (retval == strlen (result));
3805 }
3806
3807 /* Test the support of argument type/size specifiers for unsigned integer
3808 conversions: %o */
3809
3810 {
3811 int retval =
3812 my_sprintf (result, "%hho %d", (unsigned char) 42, 33, 44, 55);
3813 ASSERT (strcmp (result, "52 33") == 0);
3814 ASSERT (retval == strlen (result));
3815 }
3816
3817 {
3818 int retval =
3819 my_sprintf (result, "%ho %d", (unsigned short) 12345, 33, 44, 55);
3820 ASSERT (strcmp (result, "30071 33") == 0);
3821 ASSERT (retval == strlen (result));
3822 }
3823
3824 {
3825 int retval =
3826 my_sprintf (result, "%o %d", (unsigned int) 12345, 33, 44, 55);
3827 ASSERT (strcmp (result, "30071 33") == 0);
3828 ASSERT (retval == strlen (result));
3829 }
3830
3831 {
3832 int retval =
3833 my_sprintf (result, "%lo %d", (unsigned long int) 12345, 33, 44, 55);
3834 ASSERT (strcmp (result, "30071 33") == 0);
3835 ASSERT (retval == strlen (result));
3836 }
3837
3838 {
3839 int retval =
3840 my_sprintf (result, "%llo %d", (unsigned long long int) 12345, 33, 44, 55);
3841 ASSERT (strcmp (result, "30071 33") == 0);
3842 ASSERT (retval == strlen (result));
3843 }
3844
3845 {
3846 int retval =
3847 my_sprintf (result, "%w8o %d", (uint8_t) 42, 33, 44, 55);
3848 ASSERT (strcmp (result, "52 33") == 0);
3849 ASSERT (retval == strlen (result));
3850 }
3851
3852 {
3853 int retval =
3854 my_sprintf (result, "%w16o %d", (uint16_t) 12345, 33, 44, 55);
3855 ASSERT (strcmp (result, "30071 33") == 0);
3856 ASSERT (retval == strlen (result));
3857 }
3858
3859 {
3860 int retval =
3861 my_sprintf (result, "%w32o %d", (uint32_t) 12345, 33, 44, 55);
3862 ASSERT (strcmp (result, "30071 33") == 0);
3863 ASSERT (retval == strlen (result));
3864 }
3865
3866 {
3867 int retval =
3868 my_sprintf (result, "%w64o %d", (uint64_t) 12345, 33, 44, 55);
3869 ASSERT (strcmp (result, "30071 33") == 0);
3870 ASSERT (retval == strlen (result));
3871 }
3872
3873 {
3874 int retval =
3875 my_sprintf (result, "%wf8o %d", (uint_fast8_t) 42, 33, 44, 55);
3876 ASSERT (strcmp (result, "52 33") == 0);
3877 ASSERT (retval == strlen (result));
3878 }
3879
3880 {
3881 int retval =
3882 my_sprintf (result, "%wf16o %d", (uint_fast16_t) 12345, 33, 44, 55);
3883 ASSERT (strcmp (result, "30071 33") == 0);
3884 ASSERT (retval == strlen (result));
3885 }
3886
3887 {
3888 int retval =
3889 my_sprintf (result, "%wf32o %d", (uint_fast32_t) 12345, 33, 44, 55);
3890 ASSERT (strcmp (result, "30071 33") == 0);
3891 ASSERT (retval == strlen (result));
3892 }
3893
3894 {
3895 int retval =
3896 my_sprintf (result, "%wf64o %d", (uint_fast64_t) 12345, 33, 44, 55);
3897 ASSERT (strcmp (result, "30071 33") == 0);
3898 ASSERT (retval == strlen (result));
3899 }
3900
3901 /* Test the support of argument type/size specifiers for unsigned integer
3902 conversions: %x */
3903
3904 {
3905 int retval =
3906 my_sprintf (result, "%hhX %d", (unsigned char) 42, 33, 44, 55);
3907 ASSERT (strcmp (result, "2A 33") == 0);
3908 ASSERT (retval == strlen (result));
3909 }
3910
3911 {
3912 int retval =
3913 my_sprintf (result, "%hX %d", (unsigned short) 12345, 33, 44, 55);
3914 ASSERT (strcmp (result, "3039 33") == 0);
3915 ASSERT (retval == strlen (result));
3916 }
3917
3918 {
3919 int retval =
3920 my_sprintf (result, "%X %d", (unsigned int) 12345, 33, 44, 55);
3921 ASSERT (strcmp (result, "3039 33") == 0);
3922 ASSERT (retval == strlen (result));
3923 }
3924
3925 {
3926 int retval =
3927 my_sprintf (result, "%lX %d", (unsigned long int) 12345, 33, 44, 55);
3928 ASSERT (strcmp (result, "3039 33") == 0);
3929 ASSERT (retval == strlen (result));
3930 }
3931
3932 {
3933 int retval =
3934 my_sprintf (result, "%llX %d", (unsigned long long int) 12345, 33, 44, 55);
3935 ASSERT (strcmp (result, "3039 33") == 0);
3936 ASSERT (retval == strlen (result));
3937 }
3938
3939 {
3940 int retval =
3941 my_sprintf (result, "%w8X %d", (uint8_t) 42, 33, 44, 55);
3942 ASSERT (strcmp (result, "2A 33") == 0);
3943 ASSERT (retval == strlen (result));
3944 }
3945
3946 {
3947 int retval =
3948 my_sprintf (result, "%w16X %d", (uint16_t) 12345, 33, 44, 55);
3949 ASSERT (strcmp (result, "3039 33") == 0);
3950 ASSERT (retval == strlen (result));
3951 }
3952
3953 {
3954 int retval =
3955 my_sprintf (result, "%w32X %d", (uint32_t) 12345, 33, 44, 55);
3956 ASSERT (strcmp (result, "3039 33") == 0);
3957 ASSERT (retval == strlen (result));
3958 }
3959
3960 {
3961 int retval =
3962 my_sprintf (result, "%w64X %d", (uint64_t) 12345, 33, 44, 55);
3963 ASSERT (strcmp (result, "3039 33") == 0);
3964 ASSERT (retval == strlen (result));
3965 }
3966
3967 {
3968 int retval =
3969 my_sprintf (result, "%wf8X %d", (uint_fast8_t) 42, 33, 44, 55);
3970 ASSERT (strcmp (result, "2A 33") == 0);
3971 ASSERT (retval == strlen (result));
3972 }
3973
3974 {
3975 int retval =
3976 my_sprintf (result, "%wf16X %d", (uint_fast16_t) 12345, 33, 44, 55);
3977 ASSERT (strcmp (result, "3039 33") == 0);
3978 ASSERT (retval == strlen (result));
3979 }
3980
3981 {
3982 int retval =
3983 my_sprintf (result, "%wf32X %d", (uint_fast32_t) 12345, 33, 44, 55);
3984 ASSERT (strcmp (result, "3039 33") == 0);
3985 ASSERT (retval == strlen (result));
3986 }
3987
3988 {
3989 int retval =
3990 my_sprintf (result, "%wf64X %d", (uint_fast64_t) 12345, 33, 44, 55);
3991 ASSERT (strcmp (result, "3039 33") == 0);
3992 ASSERT (retval == strlen (result));
3993 }
3994 }
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