1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007-2017 Free Software Foundation, Inc.
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
21 #include "vasnprintf.h"
32 #include "minus-zero.h"
36 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
40 static double plus_zero
= 0.0;
41 double minus_zero
= minus_zerod
;
42 return memcmp (&plus_zero
, &minus_zero
, sizeof (double)) != 0;
45 /* Representation of an 80-bit 'long double' as an initializer for a sequence
46 of 'unsigned int' words. */
47 #ifdef WORDS_BIGENDIAN
48 # define LDBL80_WORDS(exponent,manthi,mantlo) \
49 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
50 ((unsigned int) (manthi) << 16) | ((unsigned int) (mantlo) >> 16), \
51 (unsigned int) (mantlo) << 16 \
54 # define LDBL80_WORDS(exponent,manthi,mantlo) \
55 { mantlo, manthi, exponent }
59 strmatch (const char *pattern
, const char *string
)
61 if (strlen (pattern
) != strlen (string
))
63 for (; *pattern
!= '\0'; pattern
++, string
++)
64 if (*pattern
!= '*' && *string
!= *pattern
)
69 /* Test whether string[start_index..end_index-1] is a valid textual
70 representation of NaN. */
72 strisnan (const char *string
, size_t start_index
, size_t end_index
, int uppercase
)
74 if (start_index
< end_index
)
76 if (string
[start_index
] == '-')
78 if (start_index
+ 3 <= end_index
79 && memcmp (string
+ start_index
, uppercase
? "NAN" : "nan", 3) == 0)
82 if (start_index
== end_index
83 || (string
[start_index
] == '(' && string
[end_index
- 1] == ')'))
91 test_function (char * (*my_asnprintf
) (char *, size_t *, const char *, ...))
96 /* Test return value convention. */
98 for (size
= 0; size
<= 8; size
++)
100 size_t length
= size
;
101 char *result
= my_asnprintf (NULL
, &length
, "%d", 12345);
102 ASSERT (result
!= NULL
);
103 ASSERT (strcmp (result
, "12345") == 0);
104 ASSERT (length
== 5);
108 for (size
= 0; size
<= 8; size
++)
113 memcpy (buf
, "DEADBEEF", 8);
115 result
= my_asnprintf (buf
, &length
, "%d", 12345);
116 ASSERT (result
!= NULL
);
117 ASSERT (strcmp (result
, "12345") == 0);
118 ASSERT (length
== 5);
120 ASSERT (result
!= buf
);
121 ASSERT (memcmp (buf
+ size
, &"DEADBEEF"[size
], 8 - size
) == 0);
126 /* Test support of size specifiers as in C99. */
131 my_asnprintf (NULL
, &length
, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
132 ASSERT (result
!= NULL
);
133 ASSERT (strcmp (result
, "12345671 33") == 0);
134 ASSERT (length
== strlen (result
));
141 my_asnprintf (NULL
, &length
, "%zu %d", (size_t) 12345672, 33, 44, 55);
142 ASSERT (result
!= NULL
);
143 ASSERT (strcmp (result
, "12345672 33") == 0);
144 ASSERT (length
== strlen (result
));
151 my_asnprintf (NULL
, &length
, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
152 ASSERT (result
!= NULL
);
153 ASSERT (strcmp (result
, "12345673 33") == 0);
154 ASSERT (length
== strlen (result
));
161 my_asnprintf (NULL
, &length
, "%Lg %d", (long double) 1.5, 33, 44, 55);
162 ASSERT (result
!= NULL
);
163 ASSERT (strcmp (result
, "1.5 33") == 0);
164 ASSERT (length
== strlen (result
));
168 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
169 output of floating-point numbers. */
171 { /* A positive number. */
174 my_asnprintf (NULL
, &length
, "%a %d", 3.1416015625, 33, 44, 55);
175 ASSERT (result
!= NULL
);
176 ASSERT (strcmp (result
, "0x1.922p+1 33") == 0
177 || strcmp (result
, "0x3.244p+0 33") == 0
178 || strcmp (result
, "0x6.488p-1 33") == 0
179 || strcmp (result
, "0xc.91p-2 33") == 0);
180 ASSERT (length
== strlen (result
));
184 { /* A negative number. */
187 my_asnprintf (NULL
, &length
, "%A %d", -3.1416015625, 33, 44, 55);
188 ASSERT (result
!= NULL
);
189 ASSERT (strcmp (result
, "-0X1.922P+1 33") == 0
190 || strcmp (result
, "-0X3.244P+0 33") == 0
191 || strcmp (result
, "-0X6.488P-1 33") == 0
192 || strcmp (result
, "-0XC.91P-2 33") == 0);
193 ASSERT (length
== strlen (result
));
197 { /* Positive zero. */
200 my_asnprintf (NULL
, &length
, "%a %d", 0.0, 33, 44, 55);
201 ASSERT (result
!= NULL
);
202 ASSERT (strcmp (result
, "0x0p+0 33") == 0);
203 ASSERT (length
== strlen (result
));
207 { /* Negative zero. */
210 my_asnprintf (NULL
, &length
, "%a %d", minus_zerod
, 33, 44, 55);
211 ASSERT (result
!= NULL
);
212 if (have_minus_zero ())
213 ASSERT (strcmp (result
, "-0x0p+0 33") == 0);
214 ASSERT (length
== strlen (result
));
218 { /* Positive infinity. */
221 my_asnprintf (NULL
, &length
, "%a %d", Infinityd (), 33, 44, 55);
222 ASSERT (result
!= NULL
);
223 ASSERT (strcmp (result
, "inf 33") == 0);
224 ASSERT (length
== strlen (result
));
228 { /* Negative infinity. */
231 my_asnprintf (NULL
, &length
, "%a %d", - Infinityd (), 33, 44, 55);
232 ASSERT (result
!= NULL
);
233 ASSERT (strcmp (result
, "-inf 33") == 0);
234 ASSERT (length
== strlen (result
));
241 my_asnprintf (NULL
, &length
, "%a %d", NaNd (), 33, 44, 55);
242 ASSERT (result
!= NULL
);
243 ASSERT (strlen (result
) >= 3 + 3
244 && strisnan (result
, 0, strlen (result
) - 3, 0)
245 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
246 ASSERT (length
== strlen (result
));
250 { /* Rounding near the decimal point. */
253 my_asnprintf (NULL
, &length
, "%.0a %d", 1.5, 33, 44, 55);
254 ASSERT (result
!= NULL
);
255 ASSERT (strcmp (result
, "0x1p+0 33") == 0
256 || strcmp (result
, "0x2p+0 33") == 0
257 || strcmp (result
, "0x3p-1 33") == 0
258 || strcmp (result
, "0x6p-2 33") == 0
259 || strcmp (result
, "0xcp-3 33") == 0);
260 ASSERT (length
== strlen (result
));
264 { /* Rounding with precision 0. */
267 my_asnprintf (NULL
, &length
, "%.0a %d", 1.51, 33, 44, 55);
268 ASSERT (result
!= NULL
);
269 ASSERT (strcmp (result
, "0x2p+0 33") == 0
270 || strcmp (result
, "0x3p-1 33") == 0
271 || strcmp (result
, "0x6p-2 33") == 0
272 || strcmp (result
, "0xcp-3 33") == 0);
273 ASSERT (length
== strlen (result
));
277 { /* Rounding with precision 1. */
280 my_asnprintf (NULL
, &length
, "%.1a %d", 1.51, 33, 44, 55);
281 ASSERT (result
!= NULL
);
282 ASSERT (strcmp (result
, "0x1.8p+0 33") == 0
283 || strcmp (result
, "0x3.0p-1 33") == 0
284 || strcmp (result
, "0x6.1p-2 33") == 0
285 || strcmp (result
, "0xc.1p-3 33") == 0);
286 ASSERT (length
== strlen (result
));
290 { /* Rounding with precision 2. */
293 my_asnprintf (NULL
, &length
, "%.2a %d", 1.51, 33, 44, 55);
294 ASSERT (result
!= NULL
);
295 ASSERT (strcmp (result
, "0x1.83p+0 33") == 0
296 || strcmp (result
, "0x3.05p-1 33") == 0
297 || strcmp (result
, "0x6.0ap-2 33") == 0
298 || strcmp (result
, "0xc.14p-3 33") == 0);
299 ASSERT (length
== strlen (result
));
303 { /* Rounding with precision 3. */
306 my_asnprintf (NULL
, &length
, "%.3a %d", 1.51, 33, 44, 55);
307 ASSERT (result
!= NULL
);
308 ASSERT (strcmp (result
, "0x1.829p+0 33") == 0
309 || strcmp (result
, "0x3.052p-1 33") == 0
310 || strcmp (result
, "0x6.0a4p-2 33") == 0
311 || strcmp (result
, "0xc.148p-3 33") == 0);
312 ASSERT (length
== strlen (result
));
316 { /* Rounding can turn a ...FFF into a ...000. */
319 my_asnprintf (NULL
, &length
, "%.3a %d", 1.49999, 33, 44, 55);
320 ASSERT (result
!= NULL
);
321 ASSERT (strcmp (result
, "0x1.800p+0 33") == 0
322 || strcmp (result
, "0x3.000p-1 33") == 0
323 || strcmp (result
, "0x6.000p-2 33") == 0
324 || strcmp (result
, "0xc.000p-3 33") == 0);
325 ASSERT (length
== strlen (result
));
329 { /* Rounding can turn a ...FFF into a ...000.
330 This shows a Mac OS X 10.3.9 (Darwin 7.9) bug. */
333 my_asnprintf (NULL
, &length
, "%.1a %d", 1.999, 33, 44, 55);
334 ASSERT (result
!= NULL
);
335 ASSERT (strcmp (result
, "0x1.0p+1 33") == 0
336 || strcmp (result
, "0x2.0p+0 33") == 0
337 || strcmp (result
, "0x4.0p-1 33") == 0
338 || strcmp (result
, "0x8.0p-2 33") == 0);
339 ASSERT (length
== strlen (result
));
346 my_asnprintf (NULL
, &length
, "%10a %d", 1.75, 33, 44, 55);
347 ASSERT (result
!= NULL
);
348 ASSERT (strcmp (result
, " 0x1.cp+0 33") == 0
349 || strcmp (result
, " 0x3.8p-1 33") == 0
350 || strcmp (result
, " 0x7p-2 33") == 0
351 || strcmp (result
, " 0xep-3 33") == 0);
352 ASSERT (length
== strlen (result
));
356 { /* Small precision. */
359 my_asnprintf (NULL
, &length
, "%.10a %d", 1.75, 33, 44, 55);
360 ASSERT (result
!= NULL
);
361 ASSERT (strcmp (result
, "0x1.c000000000p+0 33") == 0
362 || strcmp (result
, "0x3.8000000000p-1 33") == 0
363 || strcmp (result
, "0x7.0000000000p-2 33") == 0
364 || strcmp (result
, "0xe.0000000000p-3 33") == 0);
365 ASSERT (length
== strlen (result
));
369 { /* Large precision. */
372 my_asnprintf (NULL
, &length
, "%.50a %d", 1.75, 33, 44, 55);
373 ASSERT (result
!= NULL
);
374 ASSERT (strcmp (result
, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
375 || strcmp (result
, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
376 || strcmp (result
, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
377 || strcmp (result
, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
378 ASSERT (length
== strlen (result
));
385 my_asnprintf (NULL
, &length
, "%-10a %d", 1.75, 33, 44, 55);
386 ASSERT (result
!= NULL
);
387 ASSERT (strcmp (result
, "0x1.cp+0 33") == 0
388 || strcmp (result
, "0x3.8p-1 33") == 0
389 || strcmp (result
, "0x7p-2 33") == 0
390 || strcmp (result
, "0xep-3 33") == 0);
391 ASSERT (length
== strlen (result
));
395 { /* FLAG_SHOWSIGN. */
398 my_asnprintf (NULL
, &length
, "%+a %d", 1.75, 33, 44, 55);
399 ASSERT (result
!= NULL
);
400 ASSERT (strcmp (result
, "+0x1.cp+0 33") == 0
401 || strcmp (result
, "+0x3.8p-1 33") == 0
402 || strcmp (result
, "+0x7p-2 33") == 0
403 || strcmp (result
, "+0xep-3 33") == 0);
404 ASSERT (length
== strlen (result
));
411 my_asnprintf (NULL
, &length
, "% a %d", 1.75, 33, 44, 55);
412 ASSERT (result
!= NULL
);
413 ASSERT (strcmp (result
, " 0x1.cp+0 33") == 0
414 || strcmp (result
, " 0x3.8p-1 33") == 0
415 || strcmp (result
, " 0x7p-2 33") == 0
416 || strcmp (result
, " 0xep-3 33") == 0);
417 ASSERT (length
== strlen (result
));
424 my_asnprintf (NULL
, &length
, "%#a %d", 1.75, 33, 44, 55);
425 ASSERT (result
!= NULL
);
426 ASSERT (strcmp (result
, "0x1.cp+0 33") == 0
427 || strcmp (result
, "0x3.8p-1 33") == 0
428 || strcmp (result
, "0x7.p-2 33") == 0
429 || strcmp (result
, "0xe.p-3 33") == 0);
430 ASSERT (length
== strlen (result
));
437 my_asnprintf (NULL
, &length
, "%#a %d", 1.0, 33, 44, 55);
438 ASSERT (result
!= NULL
);
439 ASSERT (strcmp (result
, "0x1.p+0 33") == 0
440 || strcmp (result
, "0x2.p-1 33") == 0
441 || strcmp (result
, "0x4.p-2 33") == 0
442 || strcmp (result
, "0x8.p-3 33") == 0);
443 ASSERT (length
== strlen (result
));
447 { /* FLAG_ZERO with finite number. */
450 my_asnprintf (NULL
, &length
, "%010a %d", 1.75, 33, 44, 55);
451 ASSERT (result
!= NULL
);
452 ASSERT (strcmp (result
, "0x001.cp+0 33") == 0
453 || strcmp (result
, "0x003.8p-1 33") == 0
454 || strcmp (result
, "0x00007p-2 33") == 0
455 || strcmp (result
, "0x0000ep-3 33") == 0);
456 ASSERT (length
== strlen (result
));
460 { /* FLAG_ZERO with infinite number. */
463 my_asnprintf (NULL
, &length
, "%010a %d", Infinityd (), 33, 44, 55);
464 ASSERT (result
!= NULL
);
465 /* "0000000inf 33" is not a valid result; see
466 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
467 ASSERT (strcmp (result
, " inf 33") == 0);
468 ASSERT (length
== strlen (result
));
472 { /* FLAG_ZERO with NaN. */
475 my_asnprintf (NULL
, &length
, "%050a %d", NaNd (), 33, 44, 55);
476 ASSERT (result
!= NULL
);
477 /* "0000000nan 33" is not a valid result; see
478 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
479 ASSERT (strlen (result
) == 50 + 3
480 && strisnan (result
, strspn (result
, " "), strlen (result
) - 3, 0)
481 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
482 ASSERT (length
== strlen (result
));
486 { /* A positive number. */
489 my_asnprintf (NULL
, &length
, "%La %d", 3.1416015625L, 33, 44, 55);
490 ASSERT (result
!= NULL
);
491 ASSERT (strcmp (result
, "0x1.922p+1 33") == 0
492 || strcmp (result
, "0x3.244p+0 33") == 0
493 || strcmp (result
, "0x6.488p-1 33") == 0
494 || strcmp (result
, "0xc.91p-2 33") == 0);
495 ASSERT (length
== strlen (result
));
499 { /* A negative number. */
502 my_asnprintf (NULL
, &length
, "%LA %d", -3.1416015625L, 33, 44, 55);
503 ASSERT (result
!= NULL
);
504 ASSERT (strcmp (result
, "-0X1.922P+1 33") == 0
505 || strcmp (result
, "-0X3.244P+0 33") == 0
506 || strcmp (result
, "-0X6.488P-1 33") == 0
507 || strcmp (result
, "-0XC.91P-2 33") == 0);
508 ASSERT (length
== strlen (result
));
512 { /* Positive zero. */
515 my_asnprintf (NULL
, &length
, "%La %d", 0.0L, 33, 44, 55);
516 ASSERT (result
!= NULL
);
517 ASSERT (strcmp (result
, "0x0p+0 33") == 0);
518 ASSERT (length
== strlen (result
));
522 { /* Negative zero. */
525 my_asnprintf (NULL
, &length
, "%La %d", minus_zerol
, 33, 44, 55);
526 ASSERT (result
!= NULL
);
527 if (have_minus_zero ())
528 ASSERT (strcmp (result
, "-0x0p+0 33") == 0);
529 ASSERT (length
== strlen (result
));
533 { /* Positive infinity. */
536 my_asnprintf (NULL
, &length
, "%La %d", Infinityl (), 33, 44, 55);
537 ASSERT (result
!= NULL
);
538 ASSERT (strcmp (result
, "inf 33") == 0);
539 ASSERT (length
== strlen (result
));
543 { /* Negative infinity. */
546 my_asnprintf (NULL
, &length
, "%La %d", - Infinityl (), 33, 44, 55);
547 ASSERT (result
!= NULL
);
548 ASSERT (strcmp (result
, "-inf 33") == 0);
549 ASSERT (length
== strlen (result
));
556 my_asnprintf (NULL
, &length
, "%La %d", NaNl (), 33, 44, 55);
557 ASSERT (result
!= NULL
);
558 ASSERT (strlen (result
) >= 3 + 3
559 && strisnan (result
, 0, strlen (result
) - 3, 0)
560 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
561 ASSERT (length
== strlen (result
));
564 #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
566 static union { unsigned int word
[4]; long double value
; } x
=
567 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
570 my_asnprintf (NULL
, &length
, "%La %d", x
.value
, 33, 44, 55);
571 ASSERT (result
!= NULL
);
572 ASSERT (strlen (result
) >= 3 + 3
573 && strisnan (result
, 0, strlen (result
) - 3, 0)
574 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
575 ASSERT (length
== strlen (result
));
579 /* Signalling NaN. */
580 static union { unsigned int word
[4]; long double value
; } x
=
581 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
584 my_asnprintf (NULL
, &length
, "%La %d", x
.value
, 33, 44, 55);
585 ASSERT (result
!= NULL
);
586 ASSERT (strlen (result
) >= 3 + 3
587 && strisnan (result
, 0, strlen (result
) - 3, 0)
588 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
589 ASSERT (length
== strlen (result
));
592 /* asnprintf should print something for noncanonical values. */
594 static union { unsigned int word
[4]; long double value
; } x
=
595 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
598 my_asnprintf (NULL
, &length
, "%La %d", x
.value
, 33, 44, 55);
599 ASSERT (result
!= NULL
);
600 ASSERT (length
== strlen (result
));
601 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
604 { /* Pseudo-Infinity. */
605 static union { unsigned int word
[4]; long double value
; } x
=
606 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
609 my_asnprintf (NULL
, &length
, "%La %d", x
.value
, 33, 44, 55);
610 ASSERT (result
!= NULL
);
611 ASSERT (length
== strlen (result
));
612 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
616 static union { unsigned int word
[4]; long double value
; } x
=
617 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
620 my_asnprintf (NULL
, &length
, "%La %d", x
.value
, 33, 44, 55);
621 ASSERT (result
!= NULL
);
622 ASSERT (length
== strlen (result
));
623 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
626 { /* Unnormalized number. */
627 static union { unsigned int word
[4]; long double value
; } x
=
628 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
631 my_asnprintf (NULL
, &length
, "%La %d", x
.value
, 33, 44, 55);
632 ASSERT (result
!= NULL
);
633 ASSERT (length
== strlen (result
));
634 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
637 { /* Pseudo-Denormal. */
638 static union { unsigned int word
[4]; long double value
; } x
=
639 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
642 my_asnprintf (NULL
, &length
, "%La %d", x
.value
, 33, 44, 55);
643 ASSERT (result
!= NULL
);
644 ASSERT (length
== strlen (result
));
645 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
650 { /* Rounding near the decimal point. */
653 my_asnprintf (NULL
, &length
, "%.0La %d", 1.5L, 33, 44, 55);
654 ASSERT (result
!= NULL
);
655 ASSERT (strcmp (result
, "0x2p+0 33") == 0
656 || strcmp (result
, "0x3p-1 33") == 0
657 || strcmp (result
, "0x6p-2 33") == 0
658 || strcmp (result
, "0xcp-3 33") == 0);
659 ASSERT (length
== strlen (result
));
663 { /* Rounding with precision 0. */
666 my_asnprintf (NULL
, &length
, "%.0La %d", 1.51L, 33, 44, 55);
667 ASSERT (result
!= NULL
);
668 ASSERT (strcmp (result
, "0x2p+0 33") == 0
669 || strcmp (result
, "0x3p-1 33") == 0
670 || strcmp (result
, "0x6p-2 33") == 0
671 || strcmp (result
, "0xcp-3 33") == 0);
672 ASSERT (length
== strlen (result
));
676 { /* Rounding with precision 1. */
679 my_asnprintf (NULL
, &length
, "%.1La %d", 1.51L, 33, 44, 55);
680 ASSERT (result
!= NULL
);
681 ASSERT (strcmp (result
, "0x1.8p+0 33") == 0
682 || strcmp (result
, "0x3.0p-1 33") == 0
683 || strcmp (result
, "0x6.1p-2 33") == 0
684 || strcmp (result
, "0xc.1p-3 33") == 0);
685 ASSERT (length
== strlen (result
));
689 { /* Rounding with precision 2. */
692 my_asnprintf (NULL
, &length
, "%.2La %d", 1.51L, 33, 44, 55);
693 ASSERT (result
!= NULL
);
694 ASSERT (strcmp (result
, "0x1.83p+0 33") == 0
695 || strcmp (result
, "0x3.05p-1 33") == 0
696 || strcmp (result
, "0x6.0ap-2 33") == 0
697 || strcmp (result
, "0xc.14p-3 33") == 0);
698 ASSERT (length
== strlen (result
));
702 { /* Rounding with precision 3. */
705 my_asnprintf (NULL
, &length
, "%.3La %d", 1.51L, 33, 44, 55);
706 ASSERT (result
!= NULL
);
707 ASSERT (strcmp (result
, "0x1.829p+0 33") == 0
708 || strcmp (result
, "0x3.052p-1 33") == 0
709 || strcmp (result
, "0x6.0a4p-2 33") == 0
710 || strcmp (result
, "0xc.148p-3 33") == 0);
711 ASSERT (length
== strlen (result
));
715 { /* Rounding can turn a ...FFF into a ...000. */
718 my_asnprintf (NULL
, &length
, "%.3La %d", 1.49999L, 33, 44, 55);
719 ASSERT (result
!= NULL
);
720 ASSERT (strcmp (result
, "0x1.800p+0 33") == 0
721 || strcmp (result
, "0x3.000p-1 33") == 0
722 || strcmp (result
, "0x6.000p-2 33") == 0
723 || strcmp (result
, "0xc.000p-3 33") == 0);
724 ASSERT (length
== strlen (result
));
728 { /* Rounding can turn a ...FFF into a ...000.
729 This shows a Mac OS X 10.3.9 (Darwin 7.9) bug and a
730 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
733 my_asnprintf (NULL
, &length
, "%.1La %d", 1.999L, 33, 44, 55);
734 ASSERT (result
!= NULL
);
735 ASSERT (strcmp (result
, "0x1.0p+1 33") == 0
736 || strcmp (result
, "0x2.0p+0 33") == 0
737 || strcmp (result
, "0x4.0p-1 33") == 0
738 || strcmp (result
, "0x8.0p-2 33") == 0);
739 ASSERT (length
== strlen (result
));
746 my_asnprintf (NULL
, &length
, "%10La %d", 1.75L, 33, 44, 55);
747 ASSERT (result
!= NULL
);
748 ASSERT (strcmp (result
, " 0x1.cp+0 33") == 0
749 || strcmp (result
, " 0x3.8p-1 33") == 0
750 || strcmp (result
, " 0x7p-2 33") == 0
751 || strcmp (result
, " 0xep-3 33") == 0);
752 ASSERT (length
== strlen (result
));
756 { /* Small precision. */
759 my_asnprintf (NULL
, &length
, "%.10La %d", 1.75L, 33, 44, 55);
760 ASSERT (result
!= NULL
);
761 ASSERT (strcmp (result
, "0x1.c000000000p+0 33") == 0
762 || strcmp (result
, "0x3.8000000000p-1 33") == 0
763 || strcmp (result
, "0x7.0000000000p-2 33") == 0
764 || strcmp (result
, "0xe.0000000000p-3 33") == 0);
765 ASSERT (length
== strlen (result
));
769 { /* Large precision. */
772 my_asnprintf (NULL
, &length
, "%.50La %d", 1.75L, 33, 44, 55);
773 ASSERT (result
!= NULL
);
774 ASSERT (strcmp (result
, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
775 || strcmp (result
, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
776 || strcmp (result
, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
777 || strcmp (result
, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
778 ASSERT (length
== strlen (result
));
785 my_asnprintf (NULL
, &length
, "%-10La %d", 1.75L, 33, 44, 55);
786 ASSERT (result
!= NULL
);
787 ASSERT (strcmp (result
, "0x1.cp+0 33") == 0
788 || strcmp (result
, "0x3.8p-1 33") == 0
789 || strcmp (result
, "0x7p-2 33") == 0
790 || strcmp (result
, "0xep-3 33") == 0);
791 ASSERT (length
== strlen (result
));
795 { /* FLAG_SHOWSIGN. */
798 my_asnprintf (NULL
, &length
, "%+La %d", 1.75L, 33, 44, 55);
799 ASSERT (result
!= NULL
);
800 ASSERT (strcmp (result
, "+0x1.cp+0 33") == 0
801 || strcmp (result
, "+0x3.8p-1 33") == 0
802 || strcmp (result
, "+0x7p-2 33") == 0
803 || strcmp (result
, "+0xep-3 33") == 0);
804 ASSERT (length
== strlen (result
));
811 my_asnprintf (NULL
, &length
, "% La %d", 1.75L, 33, 44, 55);
812 ASSERT (result
!= NULL
);
813 ASSERT (strcmp (result
, " 0x1.cp+0 33") == 0
814 || strcmp (result
, " 0x3.8p-1 33") == 0
815 || strcmp (result
, " 0x7p-2 33") == 0
816 || strcmp (result
, " 0xep-3 33") == 0);
817 ASSERT (length
== strlen (result
));
824 my_asnprintf (NULL
, &length
, "%#La %d", 1.75L, 33, 44, 55);
825 ASSERT (result
!= NULL
);
826 ASSERT (strcmp (result
, "0x1.cp+0 33") == 0
827 || strcmp (result
, "0x3.8p-1 33") == 0
828 || strcmp (result
, "0x7.p-2 33") == 0
829 || strcmp (result
, "0xe.p-3 33") == 0);
830 ASSERT (length
== strlen (result
));
837 my_asnprintf (NULL
, &length
, "%#La %d", 1.0L, 33, 44, 55);
838 ASSERT (result
!= NULL
);
839 ASSERT (strcmp (result
, "0x1.p+0 33") == 0
840 || strcmp (result
, "0x2.p-1 33") == 0
841 || strcmp (result
, "0x4.p-2 33") == 0
842 || strcmp (result
, "0x8.p-3 33") == 0);
843 ASSERT (length
== strlen (result
));
847 { /* FLAG_ZERO with finite number. */
850 my_asnprintf (NULL
, &length
, "%010La %d", 1.75L, 33, 44, 55);
851 ASSERT (result
!= NULL
);
852 ASSERT (strcmp (result
, "0x001.cp+0 33") == 0
853 || strcmp (result
, "0x003.8p-1 33") == 0
854 || strcmp (result
, "0x00007p-2 33") == 0
855 || strcmp (result
, "0x0000ep-3 33") == 0);
856 ASSERT (length
== strlen (result
));
860 { /* FLAG_ZERO with infinite number. */
863 my_asnprintf (NULL
, &length
, "%010La %d", Infinityl (), 33, 44, 55);
864 ASSERT (result
!= NULL
);
865 /* "0000000inf 33" is not a valid result; see
866 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
867 ASSERT (strcmp (result
, " inf 33") == 0);
868 ASSERT (length
== strlen (result
));
872 { /* FLAG_ZERO with NaN. */
875 my_asnprintf (NULL
, &length
, "%050La %d", NaNl (), 33, 44, 55);
876 ASSERT (result
!= NULL
);
877 /* "0000000nan 33" is not a valid result; see
878 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
879 ASSERT (strlen (result
) == 50 + 3
880 && strisnan (result
, strspn (result
, " "), strlen (result
) - 3, 0)
881 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
882 ASSERT (length
== strlen (result
));
886 /* Test the support of the %f format directive. */
888 { /* A positive number. */
891 my_asnprintf (NULL
, &length
, "%f %d", 12.75, 33, 44, 55);
892 ASSERT (result
!= NULL
);
893 ASSERT (strcmp (result
, "12.750000 33") == 0);
894 ASSERT (length
== strlen (result
));
898 { /* A larger positive number. */
901 my_asnprintf (NULL
, &length
, "%f %d", 1234567.0, 33, 44, 55);
902 ASSERT (result
!= NULL
);
903 ASSERT (strcmp (result
, "1234567.000000 33") == 0);
904 ASSERT (length
== strlen (result
));
908 { /* Small and large positive numbers. */
909 static struct { double value
; const char *string
; } data
[] =
911 { 1.234321234321234e-37, "0.000000" },
912 { 1.234321234321234e-36, "0.000000" },
913 { 1.234321234321234e-35, "0.000000" },
914 { 1.234321234321234e-34, "0.000000" },
915 { 1.234321234321234e-33, "0.000000" },
916 { 1.234321234321234e-32, "0.000000" },
917 { 1.234321234321234e-31, "0.000000" },
918 { 1.234321234321234e-30, "0.000000" },
919 { 1.234321234321234e-29, "0.000000" },
920 { 1.234321234321234e-28, "0.000000" },
921 { 1.234321234321234e-27, "0.000000" },
922 { 1.234321234321234e-26, "0.000000" },
923 { 1.234321234321234e-25, "0.000000" },
924 { 1.234321234321234e-24, "0.000000" },
925 { 1.234321234321234e-23, "0.000000" },
926 { 1.234321234321234e-22, "0.000000" },
927 { 1.234321234321234e-21, "0.000000" },
928 { 1.234321234321234e-20, "0.000000" },
929 { 1.234321234321234e-19, "0.000000" },
930 { 1.234321234321234e-18, "0.000000" },
931 { 1.234321234321234e-17, "0.000000" },
932 { 1.234321234321234e-16, "0.000000" },
933 { 1.234321234321234e-15, "0.000000" },
934 { 1.234321234321234e-14, "0.000000" },
935 { 1.234321234321234e-13, "0.000000" },
936 { 1.234321234321234e-12, "0.000000" },
937 { 1.234321234321234e-11, "0.000000" },
938 { 1.234321234321234e-10, "0.000000" },
939 { 1.234321234321234e-9, "0.000000" },
940 { 1.234321234321234e-8, "0.000000" },
941 { 1.234321234321234e-7, "0.000000" },
942 { 1.234321234321234e-6, "0.000001" },
943 { 1.234321234321234e-5, "0.000012" },
944 { 1.234321234321234e-4, "0.000123" },
945 { 1.234321234321234e-3, "0.001234" },
946 { 1.234321234321234e-2, "0.012343" },
947 { 1.234321234321234e-1, "0.123432" },
948 { 1.234321234321234, "1.234321" },
949 { 1.234321234321234e1
, "12.343212" },
950 { 1.234321234321234e2
, "123.432123" },
951 { 1.234321234321234e3
, "1234.321234" },
952 { 1.234321234321234e4
, "12343.212343" },
953 { 1.234321234321234e5
, "123432.123432" },
954 { 1.234321234321234e6
, "1234321.234321" },
955 { 1.234321234321234e7
, "12343212.343212" },
956 { 1.234321234321234e8
, "123432123.432123" },
957 { 1.234321234321234e9
, "1234321234.321234" },
958 { 1.234321234321234e10
, "12343212343.2123**" },
959 { 1.234321234321234e11
, "123432123432.123***" },
960 { 1.234321234321234e12
, "1234321234321.23****" },
961 { 1.234321234321234e13
, "12343212343212.3*****" },
962 { 1.234321234321234e14
, "123432123432123.******" },
963 { 1.234321234321234e15
, "1234321234321234.000000" },
964 { 1.234321234321234e16
, "123432123432123**.000000" },
965 { 1.234321234321234e17
, "123432123432123***.000000" },
966 { 1.234321234321234e18
, "123432123432123****.000000" },
967 { 1.234321234321234e19
, "123432123432123*****.000000" },
968 { 1.234321234321234e20
, "123432123432123******.000000" },
969 { 1.234321234321234e21
, "123432123432123*******.000000" },
970 { 1.234321234321234e22
, "123432123432123********.000000" },
971 { 1.234321234321234e23
, "123432123432123*********.000000" },
972 { 1.234321234321234e24
, "123432123432123**********.000000" },
973 { 1.234321234321234e25
, "123432123432123***********.000000" },
974 { 1.234321234321234e26
, "123432123432123************.000000" },
975 { 1.234321234321234e27
, "123432123432123*************.000000" },
976 { 1.234321234321234e28
, "123432123432123**************.000000" },
977 { 1.234321234321234e29
, "123432123432123***************.000000" },
978 { 1.234321234321234e30
, "123432123432123****************.000000" },
979 { 1.234321234321234e31
, "123432123432123*****************.000000" },
980 { 1.234321234321234e32
, "123432123432123******************.000000" },
981 { 1.234321234321234e33
, "123432123432123*******************.000000" },
982 { 1.234321234321234e34
, "123432123432123********************.000000" },
983 { 1.234321234321234e35
, "123432123432123*********************.000000" },
984 { 1.234321234321234e36
, "123432123432123**********************.000000" }
987 for (k
= 0; k
< SIZEOF (data
); k
++)
991 my_asnprintf (NULL
, &length
, "%f", data
[k
].value
);
992 ASSERT (result
!= NULL
);
993 ASSERT (strmatch (data
[k
].string
, result
));
994 ASSERT (length
== strlen (result
));
999 { /* A negative number. */
1002 my_asnprintf (NULL
, &length
, "%f %d", -0.03125, 33, 44, 55);
1003 ASSERT (result
!= NULL
);
1004 ASSERT (strcmp (result
, "-0.031250 33") == 0);
1005 ASSERT (length
== strlen (result
));
1009 { /* Positive zero. */
1012 my_asnprintf (NULL
, &length
, "%f %d", 0.0, 33, 44, 55);
1013 ASSERT (result
!= NULL
);
1014 ASSERT (strcmp (result
, "0.000000 33") == 0);
1015 ASSERT (length
== strlen (result
));
1019 { /* Negative zero. */
1022 my_asnprintf (NULL
, &length
, "%f %d", minus_zerod
, 33, 44, 55);
1023 ASSERT (result
!= NULL
);
1024 if (have_minus_zero ())
1025 ASSERT (strcmp (result
, "-0.000000 33") == 0);
1026 ASSERT (length
== strlen (result
));
1030 { /* Positive infinity. */
1033 my_asnprintf (NULL
, &length
, "%f %d", Infinityd (), 33, 44, 55);
1034 ASSERT (result
!= NULL
);
1035 ASSERT (strcmp (result
, "inf 33") == 0
1036 || strcmp (result
, "infinity 33") == 0);
1037 ASSERT (length
== strlen (result
));
1041 { /* Negative infinity. */
1044 my_asnprintf (NULL
, &length
, "%f %d", - Infinityd (), 33, 44, 55);
1045 ASSERT (result
!= NULL
);
1046 ASSERT (strcmp (result
, "-inf 33") == 0
1047 || strcmp (result
, "-infinity 33") == 0);
1048 ASSERT (length
== strlen (result
));
1055 my_asnprintf (NULL
, &length
, "%f %d", NaNd (), 33, 44, 55);
1056 ASSERT (result
!= NULL
);
1057 ASSERT (strlen (result
) >= 3 + 3
1058 && strisnan (result
, 0, strlen (result
) - 3, 0)
1059 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
1060 ASSERT (length
== strlen (result
));
1067 my_asnprintf (NULL
, &length
, "%10f %d", 1.75, 33, 44, 55);
1068 ASSERT (result
!= NULL
);
1069 ASSERT (strcmp (result
, " 1.750000 33") == 0);
1070 ASSERT (length
== strlen (result
));
1077 my_asnprintf (NULL
, &length
, "%-10f %d", 1.75, 33, 44, 55);
1078 ASSERT (result
!= NULL
);
1079 ASSERT (strcmp (result
, "1.750000 33") == 0);
1080 ASSERT (length
== strlen (result
));
1084 { /* FLAG_SHOWSIGN. */
1087 my_asnprintf (NULL
, &length
, "%+f %d", 1.75, 33, 44, 55);
1088 ASSERT (result
!= NULL
);
1089 ASSERT (strcmp (result
, "+1.750000 33") == 0);
1090 ASSERT (length
== strlen (result
));
1097 my_asnprintf (NULL
, &length
, "% f %d", 1.75, 33, 44, 55);
1098 ASSERT (result
!= NULL
);
1099 ASSERT (strcmp (result
, " 1.750000 33") == 0);
1100 ASSERT (length
== strlen (result
));
1107 my_asnprintf (NULL
, &length
, "%#f %d", 1.75, 33, 44, 55);
1108 ASSERT (result
!= NULL
);
1109 ASSERT (strcmp (result
, "1.750000 33") == 0);
1110 ASSERT (length
== strlen (result
));
1117 my_asnprintf (NULL
, &length
, "%#.f %d", 1.75, 33, 44, 55);
1118 ASSERT (result
!= NULL
);
1119 ASSERT (strcmp (result
, "2. 33") == 0);
1120 ASSERT (length
== strlen (result
));
1124 { /* FLAG_ZERO with finite number. */
1127 my_asnprintf (NULL
, &length
, "%015f %d", 1234.0, 33, 44, 55);
1128 ASSERT (result
!= NULL
);
1129 ASSERT (strcmp (result
, "00001234.000000 33") == 0);
1130 ASSERT (length
== strlen (result
));
1134 { /* FLAG_ZERO with infinite number. */
1137 my_asnprintf (NULL
, &length
, "%015f %d", - Infinityd (), 33, 44, 55);
1138 ASSERT (result
!= NULL
);
1139 ASSERT (strcmp (result
, " -inf 33") == 0
1140 || strcmp (result
, " -infinity 33") == 0);
1141 ASSERT (length
== strlen (result
));
1145 { /* FLAG_ZERO with NaN. */
1148 my_asnprintf (NULL
, &length
, "%050f %d", NaNd (), 33, 44, 55);
1149 ASSERT (result
!= NULL
);
1150 ASSERT (strlen (result
) == 50 + 3
1151 && strisnan (result
, strspn (result
, " "), strlen (result
) - 3, 0)
1152 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
1153 ASSERT (length
== strlen (result
));
1160 my_asnprintf (NULL
, &length
, "%.f %d", 1234.0, 33, 44, 55);
1161 ASSERT (result
!= NULL
);
1162 ASSERT (strcmp (result
, "1234 33") == 0);
1163 ASSERT (length
== strlen (result
));
1167 { /* Precision with no rounding. */
1170 my_asnprintf (NULL
, &length
, "%.2f %d", 999.951, 33, 44, 55);
1171 ASSERT (result
!= NULL
);
1172 ASSERT (strcmp (result
, "999.95 33") == 0);
1173 ASSERT (length
== strlen (result
));
1177 { /* Precision with rounding. */
1180 my_asnprintf (NULL
, &length
, "%.2f %d", 999.996, 33, 44, 55);
1181 ASSERT (result
!= NULL
);
1182 ASSERT (strcmp (result
, "1000.00 33") == 0);
1183 ASSERT (length
== strlen (result
));
1187 { /* A positive number. */
1190 my_asnprintf (NULL
, &length
, "%Lf %d", 12.75L, 33, 44, 55);
1191 ASSERT (result
!= NULL
);
1192 ASSERT (strcmp (result
, "12.750000 33") == 0);
1193 ASSERT (length
== strlen (result
));
1197 { /* A larger positive number. */
1200 my_asnprintf (NULL
, &length
, "%Lf %d", 1234567.0L, 33, 44, 55);
1201 ASSERT (result
!= NULL
);
1202 ASSERT (strcmp (result
, "1234567.000000 33") == 0);
1203 ASSERT (length
== strlen (result
));
1207 { /* Small and large positive numbers. */
1208 static struct { long double value
; const char *string
; } data
[] =
1210 { 1.234321234321234e-37L, "0.000000" },
1211 { 1.234321234321234e-36L, "0.000000" },
1212 { 1.234321234321234e-35L, "0.000000" },
1213 { 1.234321234321234e-34L, "0.000000" },
1214 { 1.234321234321234e-33L, "0.000000" },
1215 { 1.234321234321234e-32L, "0.000000" },
1216 { 1.234321234321234e-31L, "0.000000" },
1217 { 1.234321234321234e-30L, "0.000000" },
1218 { 1.234321234321234e-29L, "0.000000" },
1219 { 1.234321234321234e-28L, "0.000000" },
1220 { 1.234321234321234e-27L, "0.000000" },
1221 { 1.234321234321234e-26L, "0.000000" },
1222 { 1.234321234321234e-25L, "0.000000" },
1223 { 1.234321234321234e-24L, "0.000000" },
1224 { 1.234321234321234e-23L, "0.000000" },
1225 { 1.234321234321234e-22L, "0.000000" },
1226 { 1.234321234321234e-21L, "0.000000" },
1227 { 1.234321234321234e-20L, "0.000000" },
1228 { 1.234321234321234e-19L, "0.000000" },
1229 { 1.234321234321234e-18L, "0.000000" },
1230 { 1.234321234321234e-17L, "0.000000" },
1231 { 1.234321234321234e-16L, "0.000000" },
1232 { 1.234321234321234e-15L, "0.000000" },
1233 { 1.234321234321234e-14L, "0.000000" },
1234 { 1.234321234321234e-13L, "0.000000" },
1235 { 1.234321234321234e-12L, "0.000000" },
1236 { 1.234321234321234e-11L, "0.000000" },
1237 { 1.234321234321234e-10L, "0.000000" },
1238 { 1.234321234321234e-9L, "0.000000" },
1239 { 1.234321234321234e-8L, "0.000000" },
1240 { 1.234321234321234e-7L, "0.000000" },
1241 { 1.234321234321234e-6L, "0.000001" },
1242 { 1.234321234321234e-5L, "0.000012" },
1243 { 1.234321234321234e-4L, "0.000123" },
1244 { 1.234321234321234e-3L, "0.001234" },
1245 { 1.234321234321234e-2L, "0.012343" },
1246 { 1.234321234321234e-1L, "0.123432" },
1247 { 1.234321234321234L, "1.234321" },
1248 { 1.234321234321234e1L
, "12.343212" },
1249 { 1.234321234321234e2L
, "123.432123" },
1250 { 1.234321234321234e3L
, "1234.321234" },
1251 { 1.234321234321234e4L
, "12343.212343" },
1252 { 1.234321234321234e5L
, "123432.123432" },
1253 { 1.234321234321234e6L
, "1234321.234321" },
1254 { 1.234321234321234e7L
, "12343212.343212" },
1255 { 1.234321234321234e8L
, "123432123.432123" },
1256 { 1.234321234321234e9L
, "1234321234.321234" },
1257 { 1.234321234321234e10L
, "12343212343.2123**" },
1258 { 1.234321234321234e11L
, "123432123432.123***" },
1259 { 1.234321234321234e12L
, "1234321234321.23****" },
1260 { 1.234321234321234e13L
, "12343212343212.3*****" },
1261 { 1.234321234321234e14L
, "123432123432123.******" },
1262 { 1.234321234321234e15L
, "1234321234321234.000000" },
1263 { 1.234321234321234e16L
, "123432123432123**.000000" },
1264 { 1.234321234321234e17L
, "123432123432123***.000000" },
1265 { 1.234321234321234e18L
, "123432123432123****.000000" },
1266 { 1.234321234321234e19L
, "123432123432123*****.000000" },
1267 { 1.234321234321234e20L
, "123432123432123******.000000" },
1268 { 1.234321234321234e21L
, "123432123432123*******.000000" },
1269 { 1.234321234321234e22L
, "123432123432123********.000000" },
1270 { 1.234321234321234e23L
, "123432123432123*********.000000" },
1271 { 1.234321234321234e24L
, "123432123432123**********.000000" },
1272 { 1.234321234321234e25L
, "123432123432123***********.000000" },
1273 { 1.234321234321234e26L
, "123432123432123************.000000" },
1274 { 1.234321234321234e27L
, "123432123432123*************.000000" },
1275 { 1.234321234321234e28L
, "123432123432123**************.000000" },
1276 { 1.234321234321234e29L
, "123432123432123***************.000000" },
1277 { 1.234321234321234e30L
, "123432123432123****************.000000" },
1278 { 1.234321234321234e31L
, "123432123432123*****************.000000" },
1279 { 1.234321234321234e32L
, "123432123432123******************.000000" },
1280 { 1.234321234321234e33L
, "123432123432123*******************.000000" },
1281 { 1.234321234321234e34L
, "123432123432123********************.000000" },
1282 { 1.234321234321234e35L
, "123432123432123*********************.000000" },
1283 { 1.234321234321234e36L
, "123432123432123**********************.000000" }
1286 for (k
= 0; k
< SIZEOF (data
); k
++)
1290 my_asnprintf (NULL
, &length
, "%Lf", data
[k
].value
);
1291 ASSERT (result
!= NULL
);
1292 ASSERT (strmatch (data
[k
].string
, result
));
1293 ASSERT (length
== strlen (result
));
1298 { /* A negative number. */
1301 my_asnprintf (NULL
, &length
, "%Lf %d", -0.03125L, 33, 44, 55);
1302 ASSERT (result
!= NULL
);
1303 ASSERT (strcmp (result
, "-0.031250 33") == 0);
1304 ASSERT (length
== strlen (result
));
1308 { /* Positive zero. */
1311 my_asnprintf (NULL
, &length
, "%Lf %d", 0.0L, 33, 44, 55);
1312 ASSERT (result
!= NULL
);
1313 ASSERT (strcmp (result
, "0.000000 33") == 0);
1314 ASSERT (length
== strlen (result
));
1318 { /* Negative zero. */
1321 my_asnprintf (NULL
, &length
, "%Lf %d", minus_zerol
, 33, 44, 55);
1322 ASSERT (result
!= NULL
);
1323 if (have_minus_zero ())
1324 ASSERT (strcmp (result
, "-0.000000 33") == 0);
1325 ASSERT (length
== strlen (result
));
1329 { /* Positive infinity. */
1332 my_asnprintf (NULL
, &length
, "%Lf %d", Infinityl (), 33, 44, 55);
1333 ASSERT (result
!= NULL
);
1334 ASSERT (strcmp (result
, "inf 33") == 0
1335 || strcmp (result
, "infinity 33") == 0);
1336 ASSERT (length
== strlen (result
));
1340 { /* Negative infinity. */
1343 my_asnprintf (NULL
, &length
, "%Lf %d", - Infinityl (), 33, 44, 55);
1344 ASSERT (result
!= NULL
);
1345 ASSERT (strcmp (result
, "-inf 33") == 0
1346 || strcmp (result
, "-infinity 33") == 0);
1347 ASSERT (length
== strlen (result
));
1354 my_asnprintf (NULL
, &length
, "%Lf %d", NaNl (), 33, 44, 55);
1355 ASSERT (result
!= NULL
);
1356 ASSERT (strlen (result
) >= 3 + 3
1357 && strisnan (result
, 0, strlen (result
) - 3, 0)
1358 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
1359 ASSERT (length
== strlen (result
));
1362 #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
1364 static union { unsigned int word
[4]; long double value
; } x
=
1365 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1368 my_asnprintf (NULL
, &length
, "%Lf %d", x
.value
, 33, 44, 55);
1369 ASSERT (result
!= NULL
);
1370 ASSERT (strlen (result
) >= 3 + 3
1371 && strisnan (result
, 0, strlen (result
) - 3, 0)
1372 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
1373 ASSERT (length
== strlen (result
));
1377 /* Signalling NaN. */
1378 static union { unsigned int word
[4]; long double value
; } x
=
1379 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1382 my_asnprintf (NULL
, &length
, "%Lf %d", x
.value
, 33, 44, 55);
1383 ASSERT (result
!= NULL
);
1384 ASSERT (strlen (result
) >= 3 + 3
1385 && strisnan (result
, 0, strlen (result
) - 3, 0)
1386 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
1387 ASSERT (length
== strlen (result
));
1390 /* asnprintf should print something for noncanonical values. */
1392 static union { unsigned int word
[4]; long double value
; } x
=
1393 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1396 my_asnprintf (NULL
, &length
, "%Lf %d", x
.value
, 33, 44, 55);
1397 ASSERT (result
!= NULL
);
1398 ASSERT (length
== strlen (result
));
1399 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
1402 { /* Pseudo-Infinity. */
1403 static union { unsigned int word
[4]; long double value
; } x
=
1404 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1407 my_asnprintf (NULL
, &length
, "%Lf %d", x
.value
, 33, 44, 55);
1408 ASSERT (result
!= NULL
);
1409 ASSERT (length
== strlen (result
));
1410 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
1413 { /* Pseudo-Zero. */
1414 static union { unsigned int word
[4]; long double value
; } x
=
1415 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1418 my_asnprintf (NULL
, &length
, "%Lf %d", x
.value
, 33, 44, 55);
1419 ASSERT (result
!= NULL
);
1420 ASSERT (length
== strlen (result
));
1421 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
1424 { /* Unnormalized number. */
1425 static union { unsigned int word
[4]; long double value
; } x
=
1426 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1429 my_asnprintf (NULL
, &length
, "%Lf %d", x
.value
, 33, 44, 55);
1430 ASSERT (result
!= NULL
);
1431 ASSERT (length
== strlen (result
));
1432 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
1435 { /* Pseudo-Denormal. */
1436 static union { unsigned int word
[4]; long double value
; } x
=
1437 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1440 my_asnprintf (NULL
, &length
, "%Lf %d", x
.value
, 33, 44, 55);
1441 ASSERT (result
!= NULL
);
1442 ASSERT (length
== strlen (result
));
1443 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
1451 my_asnprintf (NULL
, &length
, "%10Lf %d", 1.75L, 33, 44, 55);
1452 ASSERT (result
!= NULL
);
1453 ASSERT (strcmp (result
, " 1.750000 33") == 0);
1454 ASSERT (length
== strlen (result
));
1461 my_asnprintf (NULL
, &length
, "%-10Lf %d", 1.75L, 33, 44, 55);
1462 ASSERT (result
!= NULL
);
1463 ASSERT (strcmp (result
, "1.750000 33") == 0);
1464 ASSERT (length
== strlen (result
));
1468 { /* FLAG_SHOWSIGN. */
1471 my_asnprintf (NULL
, &length
, "%+Lf %d", 1.75L, 33, 44, 55);
1472 ASSERT (result
!= NULL
);
1473 ASSERT (strcmp (result
, "+1.750000 33") == 0);
1474 ASSERT (length
== strlen (result
));
1481 my_asnprintf (NULL
, &length
, "% Lf %d", 1.75L, 33, 44, 55);
1482 ASSERT (result
!= NULL
);
1483 ASSERT (strcmp (result
, " 1.750000 33") == 0);
1484 ASSERT (length
== strlen (result
));
1491 my_asnprintf (NULL
, &length
, "%#Lf %d", 1.75L, 33, 44, 55);
1492 ASSERT (result
!= NULL
);
1493 ASSERT (strcmp (result
, "1.750000 33") == 0);
1494 ASSERT (length
== strlen (result
));
1501 my_asnprintf (NULL
, &length
, "%#.Lf %d", 1.75L, 33, 44, 55);
1502 ASSERT (result
!= NULL
);
1503 ASSERT (strcmp (result
, "2. 33") == 0);
1504 ASSERT (length
== strlen (result
));
1508 { /* FLAG_ZERO with finite number. */
1511 my_asnprintf (NULL
, &length
, "%015Lf %d", 1234.0L, 33, 44, 55);
1512 ASSERT (result
!= NULL
);
1513 ASSERT (strcmp (result
, "00001234.000000 33") == 0);
1514 ASSERT (length
== strlen (result
));
1518 { /* FLAG_ZERO with infinite number. */
1521 my_asnprintf (NULL
, &length
, "%015Lf %d", - Infinityl (), 33, 44, 55);
1522 ASSERT (result
!= NULL
);
1523 ASSERT (strcmp (result
, " -inf 33") == 0
1524 || strcmp (result
, " -infinity 33") == 0);
1525 ASSERT (length
== strlen (result
));
1529 { /* FLAG_ZERO with NaN. */
1532 my_asnprintf (NULL
, &length
, "%050Lf %d", NaNl (), 33, 44, 55);
1533 ASSERT (result
!= NULL
);
1534 ASSERT (strlen (result
) == 50 + 3
1535 && strisnan (result
, strspn (result
, " "), strlen (result
) - 3, 0)
1536 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
1537 ASSERT (length
== strlen (result
));
1544 my_asnprintf (NULL
, &length
, "%.Lf %d", 1234.0L, 33, 44, 55);
1545 ASSERT (result
!= NULL
);
1546 ASSERT (strcmp (result
, "1234 33") == 0);
1547 ASSERT (length
== strlen (result
));
1551 { /* Precision with no rounding. */
1554 my_asnprintf (NULL
, &length
, "%.2Lf %d", 999.951L, 33, 44, 55);
1555 ASSERT (result
!= NULL
);
1556 ASSERT (strcmp (result
, "999.95 33") == 0);
1557 ASSERT (length
== strlen (result
));
1561 { /* Precision with rounding. */
1564 my_asnprintf (NULL
, &length
, "%.2Lf %d", 999.996L, 33, 44, 55);
1565 ASSERT (result
!= NULL
);
1566 ASSERT (strcmp (result
, "1000.00 33") == 0);
1567 ASSERT (length
== strlen (result
));
1571 /* Test the support of the %F format directive. */
1573 { /* A positive number. */
1576 my_asnprintf (NULL
, &length
, "%F %d", 12.75, 33, 44, 55);
1577 ASSERT (result
!= NULL
);
1578 ASSERT (strcmp (result
, "12.750000 33") == 0);
1579 ASSERT (length
== strlen (result
));
1583 { /* A larger positive number. */
1586 my_asnprintf (NULL
, &length
, "%F %d", 1234567.0, 33, 44, 55);
1587 ASSERT (result
!= NULL
);
1588 ASSERT (strcmp (result
, "1234567.000000 33") == 0);
1589 ASSERT (length
== strlen (result
));
1593 { /* A negative number. */
1596 my_asnprintf (NULL
, &length
, "%F %d", -0.03125, 33, 44, 55);
1597 ASSERT (result
!= NULL
);
1598 ASSERT (strcmp (result
, "-0.031250 33") == 0);
1599 ASSERT (length
== strlen (result
));
1603 { /* Positive zero. */
1606 my_asnprintf (NULL
, &length
, "%F %d", 0.0, 33, 44, 55);
1607 ASSERT (result
!= NULL
);
1608 ASSERT (strcmp (result
, "0.000000 33") == 0);
1609 ASSERT (length
== strlen (result
));
1613 { /* Negative zero. */
1616 my_asnprintf (NULL
, &length
, "%F %d", minus_zerod
, 33, 44, 55);
1617 ASSERT (result
!= NULL
);
1618 if (have_minus_zero ())
1619 ASSERT (strcmp (result
, "-0.000000 33") == 0);
1620 ASSERT (length
== strlen (result
));
1624 { /* Positive infinity. */
1627 my_asnprintf (NULL
, &length
, "%F %d", Infinityd (), 33, 44, 55);
1628 ASSERT (result
!= NULL
);
1629 ASSERT (strcmp (result
, "INF 33") == 0
1630 || strcmp (result
, "INFINITY 33") == 0);
1631 ASSERT (length
== strlen (result
));
1635 { /* Negative infinity. */
1638 my_asnprintf (NULL
, &length
, "%F %d", - Infinityd (), 33, 44, 55);
1639 ASSERT (result
!= NULL
);
1640 ASSERT (strcmp (result
, "-INF 33") == 0
1641 || strcmp (result
, "-INFINITY 33") == 0);
1642 ASSERT (length
== strlen (result
));
1649 my_asnprintf (NULL
, &length
, "%F %d", NaNd (), 33, 44, 55);
1650 ASSERT (result
!= NULL
);
1651 ASSERT (strlen (result
) >= 3 + 3
1652 && strisnan (result
, 0, strlen (result
) - 3, 1)
1653 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
1654 ASSERT (length
== strlen (result
));
1661 my_asnprintf (NULL
, &length
, "%015F %d", 1234.0, 33, 44, 55);
1662 ASSERT (result
!= NULL
);
1663 ASSERT (strcmp (result
, "00001234.000000 33") == 0);
1664 ASSERT (length
== strlen (result
));
1668 { /* FLAG_ZERO with infinite number. */
1671 my_asnprintf (NULL
, &length
, "%015F %d", - Infinityd (), 33, 44, 55);
1672 ASSERT (result
!= NULL
);
1673 ASSERT (strcmp (result
, " -INF 33") == 0
1674 || strcmp (result
, " -INFINITY 33") == 0);
1675 ASSERT (length
== strlen (result
));
1682 my_asnprintf (NULL
, &length
, "%.F %d", 1234.0, 33, 44, 55);
1683 ASSERT (result
!= NULL
);
1684 ASSERT (strcmp (result
, "1234 33") == 0);
1685 ASSERT (length
== strlen (result
));
1689 { /* Precision with no rounding. */
1692 my_asnprintf (NULL
, &length
, "%.2F %d", 999.951, 33, 44, 55);
1693 ASSERT (result
!= NULL
);
1694 ASSERT (strcmp (result
, "999.95 33") == 0);
1695 ASSERT (length
== strlen (result
));
1699 { /* Precision with rounding. */
1702 my_asnprintf (NULL
, &length
, "%.2F %d", 999.996, 33, 44, 55);
1703 ASSERT (result
!= NULL
);
1704 ASSERT (strcmp (result
, "1000.00 33") == 0);
1705 ASSERT (length
== strlen (result
));
1709 { /* A positive number. */
1712 my_asnprintf (NULL
, &length
, "%LF %d", 12.75L, 33, 44, 55);
1713 ASSERT (result
!= NULL
);
1714 ASSERT (strcmp (result
, "12.750000 33") == 0);
1715 ASSERT (length
== strlen (result
));
1719 { /* A larger positive number. */
1722 my_asnprintf (NULL
, &length
, "%LF %d", 1234567.0L, 33, 44, 55);
1723 ASSERT (result
!= NULL
);
1724 ASSERT (strcmp (result
, "1234567.000000 33") == 0);
1725 ASSERT (length
== strlen (result
));
1729 { /* A negative number. */
1732 my_asnprintf (NULL
, &length
, "%LF %d", -0.03125L, 33, 44, 55);
1733 ASSERT (result
!= NULL
);
1734 ASSERT (strcmp (result
, "-0.031250 33") == 0);
1735 ASSERT (length
== strlen (result
));
1739 { /* Positive zero. */
1742 my_asnprintf (NULL
, &length
, "%LF %d", 0.0L, 33, 44, 55);
1743 ASSERT (result
!= NULL
);
1744 ASSERT (strcmp (result
, "0.000000 33") == 0);
1745 ASSERT (length
== strlen (result
));
1749 { /* Negative zero. */
1752 my_asnprintf (NULL
, &length
, "%LF %d", minus_zerol
, 33, 44, 55);
1753 ASSERT (result
!= NULL
);
1754 if (have_minus_zero ())
1755 ASSERT (strcmp (result
, "-0.000000 33") == 0);
1756 ASSERT (length
== strlen (result
));
1760 { /* Positive infinity. */
1763 my_asnprintf (NULL
, &length
, "%LF %d", Infinityl (), 33, 44, 55);
1764 ASSERT (result
!= NULL
);
1765 ASSERT (strcmp (result
, "INF 33") == 0
1766 || strcmp (result
, "INFINITY 33") == 0);
1767 ASSERT (length
== strlen (result
));
1771 { /* Negative infinity. */
1774 my_asnprintf (NULL
, &length
, "%LF %d", - Infinityl (), 33, 44, 55);
1775 ASSERT (result
!= NULL
);
1776 ASSERT (strcmp (result
, "-INF 33") == 0
1777 || strcmp (result
, "-INFINITY 33") == 0);
1778 ASSERT (length
== strlen (result
));
1785 my_asnprintf (NULL
, &length
, "%LF %d", NaNl (), 33, 44, 55);
1786 ASSERT (result
!= NULL
);
1787 ASSERT (strlen (result
) >= 3 + 3
1788 && strisnan (result
, 0, strlen (result
) - 3, 1)
1789 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
1790 ASSERT (length
== strlen (result
));
1797 my_asnprintf (NULL
, &length
, "%015LF %d", 1234.0L, 33, 44, 55);
1798 ASSERT (result
!= NULL
);
1799 ASSERT (strcmp (result
, "00001234.000000 33") == 0);
1800 ASSERT (length
== strlen (result
));
1804 { /* FLAG_ZERO with infinite number. */
1807 my_asnprintf (NULL
, &length
, "%015LF %d", - Infinityl (), 33, 44, 55);
1808 ASSERT (result
!= NULL
);
1809 ASSERT (strcmp (result
, " -INF 33") == 0
1810 || strcmp (result
, " -INFINITY 33") == 0);
1811 ASSERT (length
== strlen (result
));
1818 my_asnprintf (NULL
, &length
, "%.LF %d", 1234.0L, 33, 44, 55);
1819 ASSERT (result
!= NULL
);
1820 ASSERT (strcmp (result
, "1234 33") == 0);
1821 ASSERT (length
== strlen (result
));
1825 { /* Precision with no rounding. */
1828 my_asnprintf (NULL
, &length
, "%.2LF %d", 999.951L, 33, 44, 55);
1829 ASSERT (result
!= NULL
);
1830 ASSERT (strcmp (result
, "999.95 33") == 0);
1831 ASSERT (length
== strlen (result
));
1835 { /* Precision with rounding. */
1838 my_asnprintf (NULL
, &length
, "%.2LF %d", 999.996L, 33, 44, 55);
1839 ASSERT (result
!= NULL
);
1840 ASSERT (strcmp (result
, "1000.00 33") == 0);
1841 ASSERT (length
== strlen (result
));
1845 /* Test the support of the %e format directive. */
1847 { /* A positive number. */
1850 my_asnprintf (NULL
, &length
, "%e %d", 12.75, 33, 44, 55);
1851 ASSERT (result
!= NULL
);
1852 ASSERT (strcmp (result
, "1.275000e+01 33") == 0
1853 || strcmp (result
, "1.275000e+001 33") == 0);
1854 ASSERT (length
== strlen (result
));
1858 { /* A larger positive number. */
1861 my_asnprintf (NULL
, &length
, "%e %d", 1234567.0, 33, 44, 55);
1862 ASSERT (result
!= NULL
);
1863 ASSERT (strcmp (result
, "1.234567e+06 33") == 0
1864 || strcmp (result
, "1.234567e+006 33") == 0);
1865 ASSERT (length
== strlen (result
));
1869 { /* Small and large positive numbers. */
1870 static struct { double value
; const char *string
; } data
[] =
1872 { 1.234321234321234e-37, "1.234321e-37" },
1873 { 1.234321234321234e-36, "1.234321e-36" },
1874 { 1.234321234321234e-35, "1.234321e-35" },
1875 { 1.234321234321234e-34, "1.234321e-34" },
1876 { 1.234321234321234e-33, "1.234321e-33" },
1877 { 1.234321234321234e-32, "1.234321e-32" },
1878 { 1.234321234321234e-31, "1.234321e-31" },
1879 { 1.234321234321234e-30, "1.234321e-30" },
1880 { 1.234321234321234e-29, "1.234321e-29" },
1881 { 1.234321234321234e-28, "1.234321e-28" },
1882 { 1.234321234321234e-27, "1.234321e-27" },
1883 { 1.234321234321234e-26, "1.234321e-26" },
1884 { 1.234321234321234e-25, "1.234321e-25" },
1885 { 1.234321234321234e-24, "1.234321e-24" },
1886 { 1.234321234321234e-23, "1.234321e-23" },
1887 { 1.234321234321234e-22, "1.234321e-22" },
1888 { 1.234321234321234e-21, "1.234321e-21" },
1889 { 1.234321234321234e-20, "1.234321e-20" },
1890 { 1.234321234321234e-19, "1.234321e-19" },
1891 { 1.234321234321234e-18, "1.234321e-18" },
1892 { 1.234321234321234e-17, "1.234321e-17" },
1893 { 1.234321234321234e-16, "1.234321e-16" },
1894 { 1.234321234321234e-15, "1.234321e-15" },
1895 { 1.234321234321234e-14, "1.234321e-14" },
1896 { 1.234321234321234e-13, "1.234321e-13" },
1897 { 1.234321234321234e-12, "1.234321e-12" },
1898 { 1.234321234321234e-11, "1.234321e-11" },
1899 { 1.234321234321234e-10, "1.234321e-10" },
1900 { 1.234321234321234e-9, "1.234321e-09" },
1901 { 1.234321234321234e-8, "1.234321e-08" },
1902 { 1.234321234321234e-7, "1.234321e-07" },
1903 { 1.234321234321234e-6, "1.234321e-06" },
1904 { 1.234321234321234e-5, "1.234321e-05" },
1905 { 1.234321234321234e-4, "1.234321e-04" },
1906 { 1.234321234321234e-3, "1.234321e-03" },
1907 { 1.234321234321234e-2, "1.234321e-02" },
1908 { 1.234321234321234e-1, "1.234321e-01" },
1909 { 1.234321234321234, "1.234321e+00" },
1910 { 1.234321234321234e1
, "1.234321e+01" },
1911 { 1.234321234321234e2
, "1.234321e+02" },
1912 { 1.234321234321234e3
, "1.234321e+03" },
1913 { 1.234321234321234e4
, "1.234321e+04" },
1914 { 1.234321234321234e5
, "1.234321e+05" },
1915 { 1.234321234321234e6
, "1.234321e+06" },
1916 { 1.234321234321234e7
, "1.234321e+07" },
1917 { 1.234321234321234e8
, "1.234321e+08" },
1918 { 1.234321234321234e9
, "1.234321e+09" },
1919 { 1.234321234321234e10
, "1.234321e+10" },
1920 { 1.234321234321234e11
, "1.234321e+11" },
1921 { 1.234321234321234e12
, "1.234321e+12" },
1922 { 1.234321234321234e13
, "1.234321e+13" },
1923 { 1.234321234321234e14
, "1.234321e+14" },
1924 { 1.234321234321234e15
, "1.234321e+15" },
1925 { 1.234321234321234e16
, "1.234321e+16" },
1926 { 1.234321234321234e17
, "1.234321e+17" },
1927 { 1.234321234321234e18
, "1.234321e+18" },
1928 { 1.234321234321234e19
, "1.234321e+19" },
1929 { 1.234321234321234e20
, "1.234321e+20" },
1930 { 1.234321234321234e21
, "1.234321e+21" },
1931 { 1.234321234321234e22
, "1.234321e+22" },
1932 { 1.234321234321234e23
, "1.234321e+23" },
1933 { 1.234321234321234e24
, "1.234321e+24" },
1934 { 1.234321234321234e25
, "1.234321e+25" },
1935 { 1.234321234321234e26
, "1.234321e+26" },
1936 { 1.234321234321234e27
, "1.234321e+27" },
1937 { 1.234321234321234e28
, "1.234321e+28" },
1938 { 1.234321234321234e29
, "1.234321e+29" },
1939 { 1.234321234321234e30
, "1.234321e+30" },
1940 { 1.234321234321234e31
, "1.234321e+31" },
1941 { 1.234321234321234e32
, "1.234321e+32" },
1942 { 1.234321234321234e33
, "1.234321e+33" },
1943 { 1.234321234321234e34
, "1.234321e+34" },
1944 { 1.234321234321234e35
, "1.234321e+35" },
1945 { 1.234321234321234e36
, "1.234321e+36" }
1948 for (k
= 0; k
< SIZEOF (data
); k
++)
1952 my_asnprintf (NULL
, &length
, "%e", data
[k
].value
);
1953 const char *expected
= data
[k
].string
;
1954 ASSERT (result
!= NULL
);
1955 ASSERT (strcmp (result
, expected
) == 0
1956 /* Some implementations produce exponents with 3 digits. */
1957 || (strlen (result
) == strlen (expected
) + 1
1958 && memcmp (result
, expected
, strlen (expected
) - 2) == 0
1959 && result
[strlen (expected
) - 2] == '0'
1960 && strcmp (result
+ strlen (expected
) - 1,
1961 expected
+ strlen (expected
) - 2)
1963 ASSERT (length
== strlen (result
));
1968 { /* A negative number. */
1971 my_asnprintf (NULL
, &length
, "%e %d", -0.03125, 33, 44, 55);
1972 ASSERT (result
!= NULL
);
1973 ASSERT (strcmp (result
, "-3.125000e-02 33") == 0
1974 || strcmp (result
, "-3.125000e-002 33") == 0);
1975 ASSERT (length
== strlen (result
));
1979 { /* Positive zero. */
1982 my_asnprintf (NULL
, &length
, "%e %d", 0.0, 33, 44, 55);
1983 ASSERT (result
!= NULL
);
1984 ASSERT (strcmp (result
, "0.000000e+00 33") == 0
1985 || strcmp (result
, "0.000000e+000 33") == 0);
1986 ASSERT (length
== strlen (result
));
1990 { /* Negative zero. */
1993 my_asnprintf (NULL
, &length
, "%e %d", minus_zerod
, 33, 44, 55);
1994 ASSERT (result
!= NULL
);
1995 if (have_minus_zero ())
1996 ASSERT (strcmp (result
, "-0.000000e+00 33") == 0
1997 || strcmp (result
, "-0.000000e+000 33") == 0);
1998 ASSERT (length
== strlen (result
));
2002 { /* Positive infinity. */
2005 my_asnprintf (NULL
, &length
, "%e %d", Infinityd (), 33, 44, 55);
2006 ASSERT (result
!= NULL
);
2007 ASSERT (strcmp (result
, "inf 33") == 0
2008 || strcmp (result
, "infinity 33") == 0);
2009 ASSERT (length
== strlen (result
));
2013 { /* Negative infinity. */
2016 my_asnprintf (NULL
, &length
, "%e %d", - Infinityd (), 33, 44, 55);
2017 ASSERT (result
!= NULL
);
2018 ASSERT (strcmp (result
, "-inf 33") == 0
2019 || strcmp (result
, "-infinity 33") == 0);
2020 ASSERT (length
== strlen (result
));
2027 my_asnprintf (NULL
, &length
, "%e %d", NaNd (), 33, 44, 55);
2028 ASSERT (result
!= NULL
);
2029 ASSERT (strlen (result
) >= 3 + 3
2030 && strisnan (result
, 0, strlen (result
) - 3, 0)
2031 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
2032 ASSERT (length
== strlen (result
));
2039 my_asnprintf (NULL
, &length
, "%15e %d", 1.75, 33, 44, 55);
2040 ASSERT (result
!= NULL
);
2041 ASSERT (strcmp (result
, " 1.750000e+00 33") == 0
2042 || strcmp (result
, " 1.750000e+000 33") == 0);
2043 ASSERT (length
== strlen (result
));
2050 my_asnprintf (NULL
, &length
, "%-15e %d", 1.75, 33, 44, 55);
2051 ASSERT (result
!= NULL
);
2052 ASSERT (strcmp (result
, "1.750000e+00 33") == 0
2053 || strcmp (result
, "1.750000e+000 33") == 0);
2054 ASSERT (length
== strlen (result
));
2058 { /* FLAG_SHOWSIGN. */
2061 my_asnprintf (NULL
, &length
, "%+e %d", 1.75, 33, 44, 55);
2062 ASSERT (result
!= NULL
);
2063 ASSERT (strcmp (result
, "+1.750000e+00 33") == 0
2064 || strcmp (result
, "+1.750000e+000 33") == 0);
2065 ASSERT (length
== strlen (result
));
2072 my_asnprintf (NULL
, &length
, "% e %d", 1.75, 33, 44, 55);
2073 ASSERT (result
!= NULL
);
2074 ASSERT (strcmp (result
, " 1.750000e+00 33") == 0
2075 || strcmp (result
, " 1.750000e+000 33") == 0);
2076 ASSERT (length
== strlen (result
));
2083 my_asnprintf (NULL
, &length
, "%#e %d", 1.75, 33, 44, 55);
2084 ASSERT (result
!= NULL
);
2085 ASSERT (strcmp (result
, "1.750000e+00 33") == 0
2086 || strcmp (result
, "1.750000e+000 33") == 0);
2087 ASSERT (length
== strlen (result
));
2094 my_asnprintf (NULL
, &length
, "%#.e %d", 1.75, 33, 44, 55);
2095 ASSERT (result
!= NULL
);
2096 ASSERT (strcmp (result
, "2.e+00 33") == 0
2097 || strcmp (result
, "2.e+000 33") == 0);
2098 ASSERT (length
== strlen (result
));
2105 my_asnprintf (NULL
, &length
, "%#.e %d", 9.75, 33, 44, 55);
2106 ASSERT (result
!= NULL
);
2107 ASSERT (strcmp (result
, "1.e+01 33") == 0
2108 || strcmp (result
, "1.e+001 33") == 0);
2109 ASSERT (length
== strlen (result
));
2113 { /* FLAG_ZERO with finite number. */
2116 my_asnprintf (NULL
, &length
, "%015e %d", 1234.0, 33, 44, 55);
2117 ASSERT (result
!= NULL
);
2118 ASSERT (strcmp (result
, "0001.234000e+03 33") == 0
2119 || strcmp (result
, "001.234000e+003 33") == 0);
2120 ASSERT (length
== strlen (result
));
2124 { /* FLAG_ZERO with infinite number. */
2127 my_asnprintf (NULL
, &length
, "%015e %d", - Infinityd (), 33, 44, 55);
2128 ASSERT (result
!= NULL
);
2129 ASSERT (strcmp (result
, " -inf 33") == 0
2130 || strcmp (result
, " -infinity 33") == 0);
2131 ASSERT (length
== strlen (result
));
2135 { /* FLAG_ZERO with NaN. */
2138 my_asnprintf (NULL
, &length
, "%050e %d", NaNd (), 33, 44, 55);
2139 ASSERT (result
!= NULL
);
2140 ASSERT (strlen (result
) == 50 + 3
2141 && strisnan (result
, strspn (result
, " "), strlen (result
) - 3, 0)
2142 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
2143 ASSERT (length
== strlen (result
));
2150 my_asnprintf (NULL
, &length
, "%.e %d", 1234.0, 33, 44, 55);
2151 ASSERT (result
!= NULL
);
2152 ASSERT (strcmp (result
, "1e+03 33") == 0
2153 || strcmp (result
, "1e+003 33") == 0);
2154 ASSERT (length
== strlen (result
));
2158 { /* Precision with no rounding. */
2161 my_asnprintf (NULL
, &length
, "%.4e %d", 999.951, 33, 44, 55);
2162 ASSERT (result
!= NULL
);
2163 ASSERT (strcmp (result
, "9.9995e+02 33") == 0
2164 || strcmp (result
, "9.9995e+002 33") == 0);
2165 ASSERT (length
== strlen (result
));
2169 { /* Precision with rounding. */
2172 my_asnprintf (NULL
, &length
, "%.4e %d", 999.996, 33, 44, 55);
2173 ASSERT (result
!= NULL
);
2174 ASSERT (strcmp (result
, "1.0000e+03 33") == 0
2175 || strcmp (result
, "1.0000e+003 33") == 0);
2176 ASSERT (length
== strlen (result
));
2180 { /* A positive number. */
2183 my_asnprintf (NULL
, &length
, "%Le %d", 12.75L, 33, 44, 55);
2184 ASSERT (result
!= NULL
);
2185 ASSERT (strcmp (result
, "1.275000e+01 33") == 0
2186 || strcmp (result
, "1.275000e+001 33") == 0);
2187 ASSERT (length
== strlen (result
));
2191 { /* A larger positive number. */
2194 my_asnprintf (NULL
, &length
, "%Le %d", 1234567.0L, 33, 44, 55);
2195 ASSERT (result
!= NULL
);
2196 ASSERT (strcmp (result
, "1.234567e+06 33") == 0
2197 || strcmp (result
, "1.234567e+006 33") == 0);
2198 ASSERT (length
== strlen (result
));
2202 { /* Small and large positive numbers. */
2203 static struct { long double value
; const char *string
; } data
[] =
2205 { 1.234321234321234e-37L, "1.234321e-37" },
2206 { 1.234321234321234e-36L, "1.234321e-36" },
2207 { 1.234321234321234e-35L, "1.234321e-35" },
2208 { 1.234321234321234e-34L, "1.234321e-34" },
2209 { 1.234321234321234e-33L, "1.234321e-33" },
2210 { 1.234321234321234e-32L, "1.234321e-32" },
2211 { 1.234321234321234e-31L, "1.234321e-31" },
2212 { 1.234321234321234e-30L, "1.234321e-30" },
2213 { 1.234321234321234e-29L, "1.234321e-29" },
2214 { 1.234321234321234e-28L, "1.234321e-28" },
2215 { 1.234321234321234e-27L, "1.234321e-27" },
2216 { 1.234321234321234e-26L, "1.234321e-26" },
2217 { 1.234321234321234e-25L, "1.234321e-25" },
2218 { 1.234321234321234e-24L, "1.234321e-24" },
2219 { 1.234321234321234e-23L, "1.234321e-23" },
2220 { 1.234321234321234e-22L, "1.234321e-22" },
2221 { 1.234321234321234e-21L, "1.234321e-21" },
2222 { 1.234321234321234e-20L, "1.234321e-20" },
2223 { 1.234321234321234e-19L, "1.234321e-19" },
2224 { 1.234321234321234e-18L, "1.234321e-18" },
2225 { 1.234321234321234e-17L, "1.234321e-17" },
2226 { 1.234321234321234e-16L, "1.234321e-16" },
2227 { 1.234321234321234e-15L, "1.234321e-15" },
2228 { 1.234321234321234e-14L, "1.234321e-14" },
2229 { 1.234321234321234e-13L, "1.234321e-13" },
2230 { 1.234321234321234e-12L, "1.234321e-12" },
2231 { 1.234321234321234e-11L, "1.234321e-11" },
2232 { 1.234321234321234e-10L, "1.234321e-10" },
2233 { 1.234321234321234e-9L, "1.234321e-09" },
2234 { 1.234321234321234e-8L, "1.234321e-08" },
2235 { 1.234321234321234e-7L, "1.234321e-07" },
2236 { 1.234321234321234e-6L, "1.234321e-06" },
2237 { 1.234321234321234e-5L, "1.234321e-05" },
2238 { 1.234321234321234e-4L, "1.234321e-04" },
2239 { 1.234321234321234e-3L, "1.234321e-03" },
2240 { 1.234321234321234e-2L, "1.234321e-02" },
2241 { 1.234321234321234e-1L, "1.234321e-01" },
2242 { 1.234321234321234L, "1.234321e+00" },
2243 { 1.234321234321234e1L
, "1.234321e+01" },
2244 { 1.234321234321234e2L
, "1.234321e+02" },
2245 { 1.234321234321234e3L
, "1.234321e+03" },
2246 { 1.234321234321234e4L
, "1.234321e+04" },
2247 { 1.234321234321234e5L
, "1.234321e+05" },
2248 { 1.234321234321234e6L
, "1.234321e+06" },
2249 { 1.234321234321234e7L
, "1.234321e+07" },
2250 { 1.234321234321234e8L
, "1.234321e+08" },
2251 { 1.234321234321234e9L
, "1.234321e+09" },
2252 { 1.234321234321234e10L
, "1.234321e+10" },
2253 { 1.234321234321234e11L
, "1.234321e+11" },
2254 { 1.234321234321234e12L
, "1.234321e+12" },
2255 { 1.234321234321234e13L
, "1.234321e+13" },
2256 { 1.234321234321234e14L
, "1.234321e+14" },
2257 { 1.234321234321234e15L
, "1.234321e+15" },
2258 { 1.234321234321234e16L
, "1.234321e+16" },
2259 { 1.234321234321234e17L
, "1.234321e+17" },
2260 { 1.234321234321234e18L
, "1.234321e+18" },
2261 { 1.234321234321234e19L
, "1.234321e+19" },
2262 { 1.234321234321234e20L
, "1.234321e+20" },
2263 { 1.234321234321234e21L
, "1.234321e+21" },
2264 { 1.234321234321234e22L
, "1.234321e+22" },
2265 { 1.234321234321234e23L
, "1.234321e+23" },
2266 { 1.234321234321234e24L
, "1.234321e+24" },
2267 { 1.234321234321234e25L
, "1.234321e+25" },
2268 { 1.234321234321234e26L
, "1.234321e+26" },
2269 { 1.234321234321234e27L
, "1.234321e+27" },
2270 { 1.234321234321234e28L
, "1.234321e+28" },
2271 { 1.234321234321234e29L
, "1.234321e+29" },
2272 { 1.234321234321234e30L
, "1.234321e+30" },
2273 { 1.234321234321234e31L
, "1.234321e+31" },
2274 { 1.234321234321234e32L
, "1.234321e+32" },
2275 { 1.234321234321234e33L
, "1.234321e+33" },
2276 { 1.234321234321234e34L
, "1.234321e+34" },
2277 { 1.234321234321234e35L
, "1.234321e+35" },
2278 { 1.234321234321234e36L
, "1.234321e+36" }
2281 for (k
= 0; k
< SIZEOF (data
); k
++)
2285 my_asnprintf (NULL
, &length
, "%Le", data
[k
].value
);
2286 const char *expected
= data
[k
].string
;
2287 ASSERT (result
!= NULL
);
2288 ASSERT (strcmp (result
, expected
) == 0
2289 /* Some implementations produce exponents with 3 digits. */
2290 || (strlen (result
) == strlen (expected
) + 1
2291 && memcmp (result
, expected
, strlen (expected
) - 2) == 0
2292 && result
[strlen (expected
) - 2] == '0'
2293 && strcmp (result
+ strlen (expected
) - 1,
2294 expected
+ strlen (expected
) - 2)
2296 ASSERT (length
== strlen (result
));
2301 { /* A negative number. */
2304 my_asnprintf (NULL
, &length
, "%Le %d", -0.03125L, 33, 44, 55);
2305 ASSERT (result
!= NULL
);
2306 ASSERT (strcmp (result
, "-3.125000e-02 33") == 0
2307 || strcmp (result
, "-3.125000e-002 33") == 0);
2308 ASSERT (length
== strlen (result
));
2312 { /* Positive zero. */
2315 my_asnprintf (NULL
, &length
, "%Le %d", 0.0L, 33, 44, 55);
2316 ASSERT (result
!= NULL
);
2317 ASSERT (strcmp (result
, "0.000000e+00 33") == 0
2318 || strcmp (result
, "0.000000e+000 33") == 0);
2319 ASSERT (length
== strlen (result
));
2323 { /* Negative zero. */
2326 my_asnprintf (NULL
, &length
, "%Le %d", minus_zerol
, 33, 44, 55);
2327 ASSERT (result
!= NULL
);
2328 if (have_minus_zero ())
2329 ASSERT (strcmp (result
, "-0.000000e+00 33") == 0
2330 || strcmp (result
, "-0.000000e+000 33") == 0);
2331 ASSERT (length
== strlen (result
));
2335 { /* Positive infinity. */
2338 my_asnprintf (NULL
, &length
, "%Le %d", Infinityl (), 33, 44, 55);
2339 ASSERT (result
!= NULL
);
2340 ASSERT (strcmp (result
, "inf 33") == 0
2341 || strcmp (result
, "infinity 33") == 0);
2342 ASSERT (length
== strlen (result
));
2346 { /* Negative infinity. */
2349 my_asnprintf (NULL
, &length
, "%Le %d", - Infinityl (), 33, 44, 55);
2350 ASSERT (result
!= NULL
);
2351 ASSERT (strcmp (result
, "-inf 33") == 0
2352 || strcmp (result
, "-infinity 33") == 0);
2353 ASSERT (length
== strlen (result
));
2360 my_asnprintf (NULL
, &length
, "%Le %d", NaNl (), 33, 44, 55);
2361 ASSERT (result
!= NULL
);
2362 ASSERT (strlen (result
) >= 3 + 3
2363 && strisnan (result
, 0, strlen (result
) - 3, 0)
2364 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
2365 ASSERT (length
== strlen (result
));
2368 #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
2370 static union { unsigned int word
[4]; long double value
; } x
=
2371 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2374 my_asnprintf (NULL
, &length
, "%Le %d", x
.value
, 33, 44, 55);
2375 ASSERT (result
!= NULL
);
2376 ASSERT (length
== strlen (result
));
2377 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
2381 /* Signalling NaN. */
2382 static union { unsigned int word
[4]; long double value
; } x
=
2383 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2386 my_asnprintf (NULL
, &length
, "%Le %d", x
.value
, 33, 44, 55);
2387 ASSERT (result
!= NULL
);
2388 ASSERT (length
== strlen (result
));
2389 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
2392 /* asnprintf should print something even for noncanonical values. */
2394 static union { unsigned int word
[4]; long double value
; } x
=
2395 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2398 my_asnprintf (NULL
, &length
, "%Le %d", x
.value
, 33, 44, 55);
2399 ASSERT (result
!= NULL
);
2400 ASSERT (length
== strlen (result
));
2401 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
2404 { /* Pseudo-Infinity. */
2405 static union { unsigned int word
[4]; long double value
; } x
=
2406 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2409 my_asnprintf (NULL
, &length
, "%Le %d", x
.value
, 33, 44, 55);
2410 ASSERT (result
!= NULL
);
2411 ASSERT (length
== strlen (result
));
2412 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
2415 { /* Pseudo-Zero. */
2416 static union { unsigned int word
[4]; long double value
; } x
=
2417 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2420 my_asnprintf (NULL
, &length
, "%Le %d", x
.value
, 33, 44, 55);
2421 ASSERT (result
!= NULL
);
2422 ASSERT (length
== strlen (result
));
2423 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
2426 { /* Unnormalized number. */
2427 static union { unsigned int word
[4]; long double value
; } x
=
2428 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2431 my_asnprintf (NULL
, &length
, "%Le %d", x
.value
, 33, 44, 55);
2432 ASSERT (result
!= NULL
);
2433 ASSERT (length
== strlen (result
));
2434 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
2437 { /* Pseudo-Denormal. */
2438 static union { unsigned int word
[4]; long double value
; } x
=
2439 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2442 my_asnprintf (NULL
, &length
, "%Le %d", x
.value
, 33, 44, 55);
2443 ASSERT (result
!= NULL
);
2444 ASSERT (length
== strlen (result
));
2445 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
2453 my_asnprintf (NULL
, &length
, "%15Le %d", 1.75L, 33, 44, 55);
2454 ASSERT (result
!= NULL
);
2455 ASSERT (strcmp (result
, " 1.750000e+00 33") == 0
2456 || strcmp (result
, " 1.750000e+000 33") == 0);
2457 ASSERT (length
== strlen (result
));
2464 my_asnprintf (NULL
, &length
, "%-15Le %d", 1.75L, 33, 44, 55);
2465 ASSERT (result
!= NULL
);
2466 ASSERT (strcmp (result
, "1.750000e+00 33") == 0
2467 || strcmp (result
, "1.750000e+000 33") == 0);
2468 ASSERT (length
== strlen (result
));
2472 { /* FLAG_SHOWSIGN. */
2475 my_asnprintf (NULL
, &length
, "%+Le %d", 1.75L, 33, 44, 55);
2476 ASSERT (result
!= NULL
);
2477 ASSERT (strcmp (result
, "+1.750000e+00 33") == 0
2478 || strcmp (result
, "+1.750000e+000 33") == 0);
2479 ASSERT (length
== strlen (result
));
2486 my_asnprintf (NULL
, &length
, "% Le %d", 1.75L, 33, 44, 55);
2487 ASSERT (result
!= NULL
);
2488 ASSERT (strcmp (result
, " 1.750000e+00 33") == 0
2489 || strcmp (result
, " 1.750000e+000 33") == 0);
2490 ASSERT (length
== strlen (result
));
2497 my_asnprintf (NULL
, &length
, "%#Le %d", 1.75L, 33, 44, 55);
2498 ASSERT (result
!= NULL
);
2499 ASSERT (strcmp (result
, "1.750000e+00 33") == 0
2500 || strcmp (result
, "1.750000e+000 33") == 0);
2501 ASSERT (length
== strlen (result
));
2508 my_asnprintf (NULL
, &length
, "%#.Le %d", 1.75L, 33, 44, 55);
2509 ASSERT (result
!= NULL
);
2510 ASSERT (strcmp (result
, "2.e+00 33") == 0
2511 || strcmp (result
, "2.e+000 33") == 0);
2512 ASSERT (length
== strlen (result
));
2519 my_asnprintf (NULL
, &length
, "%#.Le %d", 9.75L, 33, 44, 55);
2520 ASSERT (result
!= NULL
);
2521 ASSERT (strcmp (result
, "1.e+01 33") == 0
2522 || strcmp (result
, "1.e+001 33") == 0);
2523 ASSERT (length
== strlen (result
));
2527 { /* FLAG_ZERO with finite number. */
2530 my_asnprintf (NULL
, &length
, "%015Le %d", 1234.0L, 33, 44, 55);
2531 ASSERT (result
!= NULL
);
2532 ASSERT (strcmp (result
, "0001.234000e+03 33") == 0
2533 || strcmp (result
, "001.234000e+003 33") == 0);
2534 ASSERT (length
== strlen (result
));
2538 { /* FLAG_ZERO with infinite number. */
2541 my_asnprintf (NULL
, &length
, "%015Le %d", - Infinityl (), 33, 44, 55);
2542 ASSERT (result
!= NULL
);
2543 ASSERT (strcmp (result
, " -inf 33") == 0
2544 || strcmp (result
, " -infinity 33") == 0);
2545 ASSERT (length
== strlen (result
));
2549 { /* FLAG_ZERO with NaN. */
2552 my_asnprintf (NULL
, &length
, "%050Le %d", NaNl (), 33, 44, 55);
2553 ASSERT (result
!= NULL
);
2554 ASSERT (strlen (result
) == 50 + 3
2555 && strisnan (result
, strspn (result
, " "), strlen (result
) - 3, 0)
2556 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
2557 ASSERT (length
== strlen (result
));
2564 my_asnprintf (NULL
, &length
, "%.Le %d", 1234.0L, 33, 44, 55);
2565 ASSERT (result
!= NULL
);
2566 ASSERT (strcmp (result
, "1e+03 33") == 0
2567 || strcmp (result
, "1e+003 33") == 0);
2568 ASSERT (length
== strlen (result
));
2572 { /* Precision with no rounding. */
2575 my_asnprintf (NULL
, &length
, "%.4Le %d", 999.951L, 33, 44, 55);
2576 ASSERT (result
!= NULL
);
2577 ASSERT (strcmp (result
, "9.9995e+02 33") == 0
2578 || strcmp (result
, "9.9995e+002 33") == 0);
2579 ASSERT (length
== strlen (result
));
2583 { /* Precision with rounding. */
2586 my_asnprintf (NULL
, &length
, "%.4Le %d", 999.996L, 33, 44, 55);
2587 ASSERT (result
!= NULL
);
2588 ASSERT (strcmp (result
, "1.0000e+03 33") == 0
2589 || strcmp (result
, "1.0000e+003 33") == 0);
2590 ASSERT (length
== strlen (result
));
2594 /* Test the support of the %g format directive. */
2596 { /* A positive number. */
2599 my_asnprintf (NULL
, &length
, "%g %d", 12.75, 33, 44, 55);
2600 ASSERT (result
!= NULL
);
2601 ASSERT (strcmp (result
, "12.75 33") == 0);
2602 ASSERT (length
== strlen (result
));
2606 { /* A larger positive number. */
2609 my_asnprintf (NULL
, &length
, "%g %d", 1234567.0, 33, 44, 55);
2610 ASSERT (result
!= NULL
);
2611 ASSERT (strcmp (result
, "1.23457e+06 33") == 0
2612 || strcmp (result
, "1.23457e+006 33") == 0);
2613 ASSERT (length
== strlen (result
));
2617 { /* Small and large positive numbers. */
2618 static struct { double value
; const char *string
; } data
[] =
2620 { 1.234321234321234e-37, "1.23432e-37" },
2621 { 1.234321234321234e-36, "1.23432e-36" },
2622 { 1.234321234321234e-35, "1.23432e-35" },
2623 { 1.234321234321234e-34, "1.23432e-34" },
2624 { 1.234321234321234e-33, "1.23432e-33" },
2625 { 1.234321234321234e-32, "1.23432e-32" },
2626 { 1.234321234321234e-31, "1.23432e-31" },
2627 { 1.234321234321234e-30, "1.23432e-30" },
2628 { 1.234321234321234e-29, "1.23432e-29" },
2629 { 1.234321234321234e-28, "1.23432e-28" },
2630 { 1.234321234321234e-27, "1.23432e-27" },
2631 { 1.234321234321234e-26, "1.23432e-26" },
2632 { 1.234321234321234e-25, "1.23432e-25" },
2633 { 1.234321234321234e-24, "1.23432e-24" },
2634 { 1.234321234321234e-23, "1.23432e-23" },
2635 { 1.234321234321234e-22, "1.23432e-22" },
2636 { 1.234321234321234e-21, "1.23432e-21" },
2637 { 1.234321234321234e-20, "1.23432e-20" },
2638 { 1.234321234321234e-19, "1.23432e-19" },
2639 { 1.234321234321234e-18, "1.23432e-18" },
2640 { 1.234321234321234e-17, "1.23432e-17" },
2641 { 1.234321234321234e-16, "1.23432e-16" },
2642 { 1.234321234321234e-15, "1.23432e-15" },
2643 { 1.234321234321234e-14, "1.23432e-14" },
2644 { 1.234321234321234e-13, "1.23432e-13" },
2645 { 1.234321234321234e-12, "1.23432e-12" },
2646 { 1.234321234321234e-11, "1.23432e-11" },
2647 { 1.234321234321234e-10, "1.23432e-10" },
2648 { 1.234321234321234e-9, "1.23432e-09" },
2649 { 1.234321234321234e-8, "1.23432e-08" },
2650 { 1.234321234321234e-7, "1.23432e-07" },
2651 { 1.234321234321234e-6, "1.23432e-06" },
2652 { 1.234321234321234e-5, "1.23432e-05" },
2653 { 1.234321234321234e-4, "0.000123432" },
2654 { 1.234321234321234e-3, "0.00123432" },
2655 { 1.234321234321234e-2, "0.0123432" },
2656 { 1.234321234321234e-1, "0.123432" },
2657 { 1.234321234321234, "1.23432" },
2658 { 1.234321234321234e1
, "12.3432" },
2659 { 1.234321234321234e2
, "123.432" },
2660 { 1.234321234321234e3
, "1234.32" },
2661 { 1.234321234321234e4
, "12343.2" },
2662 { 1.234321234321234e5
, "123432" },
2663 { 1.234321234321234e6
, "1.23432e+06" },
2664 { 1.234321234321234e7
, "1.23432e+07" },
2665 { 1.234321234321234e8
, "1.23432e+08" },
2666 { 1.234321234321234e9
, "1.23432e+09" },
2667 { 1.234321234321234e10
, "1.23432e+10" },
2668 { 1.234321234321234e11
, "1.23432e+11" },
2669 { 1.234321234321234e12
, "1.23432e+12" },
2670 { 1.234321234321234e13
, "1.23432e+13" },
2671 { 1.234321234321234e14
, "1.23432e+14" },
2672 { 1.234321234321234e15
, "1.23432e+15" },
2673 { 1.234321234321234e16
, "1.23432e+16" },
2674 { 1.234321234321234e17
, "1.23432e+17" },
2675 { 1.234321234321234e18
, "1.23432e+18" },
2676 { 1.234321234321234e19
, "1.23432e+19" },
2677 { 1.234321234321234e20
, "1.23432e+20" },
2678 { 1.234321234321234e21
, "1.23432e+21" },
2679 { 1.234321234321234e22
, "1.23432e+22" },
2680 { 1.234321234321234e23
, "1.23432e+23" },
2681 { 1.234321234321234e24
, "1.23432e+24" },
2682 { 1.234321234321234e25
, "1.23432e+25" },
2683 { 1.234321234321234e26
, "1.23432e+26" },
2684 { 1.234321234321234e27
, "1.23432e+27" },
2685 { 1.234321234321234e28
, "1.23432e+28" },
2686 { 1.234321234321234e29
, "1.23432e+29" },
2687 { 1.234321234321234e30
, "1.23432e+30" },
2688 { 1.234321234321234e31
, "1.23432e+31" },
2689 { 1.234321234321234e32
, "1.23432e+32" },
2690 { 1.234321234321234e33
, "1.23432e+33" },
2691 { 1.234321234321234e34
, "1.23432e+34" },
2692 { 1.234321234321234e35
, "1.23432e+35" },
2693 { 1.234321234321234e36
, "1.23432e+36" }
2696 for (k
= 0; k
< SIZEOF (data
); k
++)
2700 my_asnprintf (NULL
, &length
, "%g", data
[k
].value
);
2701 const char *expected
= data
[k
].string
;
2702 ASSERT (result
!= NULL
);
2703 ASSERT (strcmp (result
, expected
) == 0
2704 /* Some implementations produce exponents with 3 digits. */
2705 || (expected
[strlen (expected
) - 4] == 'e'
2706 && strlen (result
) == strlen (expected
) + 1
2707 && memcmp (result
, expected
, strlen (expected
) - 2) == 0
2708 && result
[strlen (expected
) - 2] == '0'
2709 && strcmp (result
+ strlen (expected
) - 1,
2710 expected
+ strlen (expected
) - 2)
2712 ASSERT (length
== strlen (result
));
2717 { /* A negative number. */
2720 my_asnprintf (NULL
, &length
, "%g %d", -0.03125, 33, 44, 55);
2721 ASSERT (result
!= NULL
);
2722 ASSERT (strcmp (result
, "-0.03125 33") == 0);
2723 ASSERT (length
== strlen (result
));
2727 { /* Positive zero. */
2730 my_asnprintf (NULL
, &length
, "%g %d", 0.0, 33, 44, 55);
2731 ASSERT (result
!= NULL
);
2732 ASSERT (strcmp (result
, "0 33") == 0);
2733 ASSERT (length
== strlen (result
));
2737 { /* Negative zero. */
2740 my_asnprintf (NULL
, &length
, "%g %d", minus_zerod
, 33, 44, 55);
2741 ASSERT (result
!= NULL
);
2742 if (have_minus_zero ())
2743 ASSERT (strcmp (result
, "-0 33") == 0);
2744 ASSERT (length
== strlen (result
));
2748 { /* Positive infinity. */
2751 my_asnprintf (NULL
, &length
, "%g %d", Infinityd (), 33, 44, 55);
2752 ASSERT (result
!= NULL
);
2753 ASSERT (strcmp (result
, "inf 33") == 0
2754 || strcmp (result
, "infinity 33") == 0);
2755 ASSERT (length
== strlen (result
));
2759 { /* Negative infinity. */
2762 my_asnprintf (NULL
, &length
, "%g %d", - Infinityd (), 33, 44, 55);
2763 ASSERT (result
!= NULL
);
2764 ASSERT (strcmp (result
, "-inf 33") == 0
2765 || strcmp (result
, "-infinity 33") == 0);
2766 ASSERT (length
== strlen (result
));
2773 my_asnprintf (NULL
, &length
, "%g %d", NaNd (), 33, 44, 55);
2774 ASSERT (result
!= NULL
);
2775 ASSERT (strlen (result
) >= 3 + 3
2776 && strisnan (result
, 0, strlen (result
) - 3, 0)
2777 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
2778 ASSERT (length
== strlen (result
));
2785 my_asnprintf (NULL
, &length
, "%10g %d", 1.75, 33, 44, 55);
2786 ASSERT (result
!= NULL
);
2787 ASSERT (strcmp (result
, " 1.75 33") == 0);
2788 ASSERT (length
== strlen (result
));
2795 my_asnprintf (NULL
, &length
, "%-10g %d", 1.75, 33, 44, 55);
2796 ASSERT (result
!= NULL
);
2797 ASSERT (strcmp (result
, "1.75 33") == 0);
2798 ASSERT (length
== strlen (result
));
2802 { /* FLAG_SHOWSIGN. */
2805 my_asnprintf (NULL
, &length
, "%+g %d", 1.75, 33, 44, 55);
2806 ASSERT (result
!= NULL
);
2807 ASSERT (strcmp (result
, "+1.75 33") == 0);
2808 ASSERT (length
== strlen (result
));
2815 my_asnprintf (NULL
, &length
, "% g %d", 1.75, 33, 44, 55);
2816 ASSERT (result
!= NULL
);
2817 ASSERT (strcmp (result
, " 1.75 33") == 0);
2818 ASSERT (length
== strlen (result
));
2825 my_asnprintf (NULL
, &length
, "%#g %d", 1.75, 33, 44, 55);
2826 ASSERT (result
!= NULL
);
2827 ASSERT (strcmp (result
, "1.75000 33") == 0);
2828 ASSERT (length
== strlen (result
));
2835 my_asnprintf (NULL
, &length
, "%#.g %d", 1.75, 33, 44, 55);
2836 ASSERT (result
!= NULL
);
2837 ASSERT (strcmp (result
, "2. 33") == 0);
2838 ASSERT (length
== strlen (result
));
2845 my_asnprintf (NULL
, &length
, "%#.g %d", 9.75, 33, 44, 55);
2846 ASSERT (result
!= NULL
);
2847 ASSERT (strcmp (result
, "1.e+01 33") == 0
2848 || strcmp (result
, "1.e+001 33") == 0);
2849 ASSERT (length
== strlen (result
));
2853 { /* FLAG_ZERO with finite number. */
2856 my_asnprintf (NULL
, &length
, "%010g %d", 1234.0, 33, 44, 55);
2857 ASSERT (result
!= NULL
);
2858 ASSERT (strcmp (result
, "0000001234 33") == 0);
2859 ASSERT (length
== strlen (result
));
2863 { /* FLAG_ZERO with infinite number. */
2866 my_asnprintf (NULL
, &length
, "%015g %d", - Infinityd (), 33, 44, 55);
2867 ASSERT (result
!= NULL
);
2868 ASSERT (strcmp (result
, " -inf 33") == 0
2869 || strcmp (result
, " -infinity 33") == 0);
2870 ASSERT (length
== strlen (result
));
2874 { /* FLAG_ZERO with NaN. */
2877 my_asnprintf (NULL
, &length
, "%050g %d", NaNd (), 33, 44, 55);
2878 ASSERT (result
!= NULL
);
2879 ASSERT (strlen (result
) == 50 + 3
2880 && strisnan (result
, strspn (result
, " "), strlen (result
) - 3, 0)
2881 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
2882 ASSERT (length
== strlen (result
));
2889 my_asnprintf (NULL
, &length
, "%.g %d", 1234.0, 33, 44, 55);
2890 ASSERT (result
!= NULL
);
2891 ASSERT (strcmp (result
, "1e+03 33") == 0
2892 || strcmp (result
, "1e+003 33") == 0);
2893 ASSERT (length
== strlen (result
));
2897 { /* Precision with no rounding. */
2900 my_asnprintf (NULL
, &length
, "%.5g %d", 999.951, 33, 44, 55);
2901 ASSERT (result
!= NULL
);
2902 ASSERT (strcmp (result
, "999.95 33") == 0);
2903 ASSERT (length
== strlen (result
));
2907 { /* Precision with rounding. */
2910 my_asnprintf (NULL
, &length
, "%.5g %d", 999.996, 33, 44, 55);
2911 ASSERT (result
!= NULL
);
2912 ASSERT (strcmp (result
, "1000 33") == 0);
2913 ASSERT (length
== strlen (result
));
2917 { /* A positive number. */
2920 my_asnprintf (NULL
, &length
, "%Lg %d", 12.75L, 33, 44, 55);
2921 ASSERT (result
!= NULL
);
2922 ASSERT (strcmp (result
, "12.75 33") == 0);
2923 ASSERT (length
== strlen (result
));
2927 { /* A larger positive number. */
2930 my_asnprintf (NULL
, &length
, "%Lg %d", 1234567.0L, 33, 44, 55);
2931 ASSERT (result
!= NULL
);
2932 ASSERT (strcmp (result
, "1.23457e+06 33") == 0
2933 || strcmp (result
, "1.23457e+006 33") == 0);
2934 ASSERT (length
== strlen (result
));
2938 { /* Small and large positive numbers. */
2939 static struct { long double value
; const char *string
; } data
[] =
2941 { 1.234321234321234e-37L, "1.23432e-37" },
2942 { 1.234321234321234e-36L, "1.23432e-36" },
2943 { 1.234321234321234e-35L, "1.23432e-35" },
2944 { 1.234321234321234e-34L, "1.23432e-34" },
2945 { 1.234321234321234e-33L, "1.23432e-33" },
2946 { 1.234321234321234e-32L, "1.23432e-32" },
2947 { 1.234321234321234e-31L, "1.23432e-31" },
2948 { 1.234321234321234e-30L, "1.23432e-30" },
2949 { 1.234321234321234e-29L, "1.23432e-29" },
2950 { 1.234321234321234e-28L, "1.23432e-28" },
2951 { 1.234321234321234e-27L, "1.23432e-27" },
2952 { 1.234321234321234e-26L, "1.23432e-26" },
2953 { 1.234321234321234e-25L, "1.23432e-25" },
2954 { 1.234321234321234e-24L, "1.23432e-24" },
2955 { 1.234321234321234e-23L, "1.23432e-23" },
2956 { 1.234321234321234e-22L, "1.23432e-22" },
2957 { 1.234321234321234e-21L, "1.23432e-21" },
2958 { 1.234321234321234e-20L, "1.23432e-20" },
2959 { 1.234321234321234e-19L, "1.23432e-19" },
2960 { 1.234321234321234e-18L, "1.23432e-18" },
2961 { 1.234321234321234e-17L, "1.23432e-17" },
2962 { 1.234321234321234e-16L, "1.23432e-16" },
2963 { 1.234321234321234e-15L, "1.23432e-15" },
2964 { 1.234321234321234e-14L, "1.23432e-14" },
2965 { 1.234321234321234e-13L, "1.23432e-13" },
2966 { 1.234321234321234e-12L, "1.23432e-12" },
2967 { 1.234321234321234e-11L, "1.23432e-11" },
2968 { 1.234321234321234e-10L, "1.23432e-10" },
2969 { 1.234321234321234e-9L, "1.23432e-09" },
2970 { 1.234321234321234e-8L, "1.23432e-08" },
2971 { 1.234321234321234e-7L, "1.23432e-07" },
2972 { 1.234321234321234e-6L, "1.23432e-06" },
2973 { 1.234321234321234e-5L, "1.23432e-05" },
2974 { 1.234321234321234e-4L, "0.000123432" },
2975 { 1.234321234321234e-3L, "0.00123432" },
2976 { 1.234321234321234e-2L, "0.0123432" },
2977 { 1.234321234321234e-1L, "0.123432" },
2978 { 1.234321234321234L, "1.23432" },
2979 { 1.234321234321234e1L
, "12.3432" },
2980 { 1.234321234321234e2L
, "123.432" },
2981 { 1.234321234321234e3L
, "1234.32" },
2982 { 1.234321234321234e4L
, "12343.2" },
2983 { 1.234321234321234e5L
, "123432" },
2984 { 1.234321234321234e6L
, "1.23432e+06" },
2985 { 1.234321234321234e7L
, "1.23432e+07" },
2986 { 1.234321234321234e8L
, "1.23432e+08" },
2987 { 1.234321234321234e9L
, "1.23432e+09" },
2988 { 1.234321234321234e10L
, "1.23432e+10" },
2989 { 1.234321234321234e11L
, "1.23432e+11" },
2990 { 1.234321234321234e12L
, "1.23432e+12" },
2991 { 1.234321234321234e13L
, "1.23432e+13" },
2992 { 1.234321234321234e14L
, "1.23432e+14" },
2993 { 1.234321234321234e15L
, "1.23432e+15" },
2994 { 1.234321234321234e16L
, "1.23432e+16" },
2995 { 1.234321234321234e17L
, "1.23432e+17" },
2996 { 1.234321234321234e18L
, "1.23432e+18" },
2997 { 1.234321234321234e19L
, "1.23432e+19" },
2998 { 1.234321234321234e20L
, "1.23432e+20" },
2999 { 1.234321234321234e21L
, "1.23432e+21" },
3000 { 1.234321234321234e22L
, "1.23432e+22" },
3001 { 1.234321234321234e23L
, "1.23432e+23" },
3002 { 1.234321234321234e24L
, "1.23432e+24" },
3003 { 1.234321234321234e25L
, "1.23432e+25" },
3004 { 1.234321234321234e26L
, "1.23432e+26" },
3005 { 1.234321234321234e27L
, "1.23432e+27" },
3006 { 1.234321234321234e28L
, "1.23432e+28" },
3007 { 1.234321234321234e29L
, "1.23432e+29" },
3008 { 1.234321234321234e30L
, "1.23432e+30" },
3009 { 1.234321234321234e31L
, "1.23432e+31" },
3010 { 1.234321234321234e32L
, "1.23432e+32" },
3011 { 1.234321234321234e33L
, "1.23432e+33" },
3012 { 1.234321234321234e34L
, "1.23432e+34" },
3013 { 1.234321234321234e35L
, "1.23432e+35" },
3014 { 1.234321234321234e36L
, "1.23432e+36" }
3017 for (k
= 0; k
< SIZEOF (data
); k
++)
3021 my_asnprintf (NULL
, &length
, "%Lg", data
[k
].value
);
3022 const char *expected
= data
[k
].string
;
3023 ASSERT (result
!= NULL
);
3024 ASSERT (strcmp (result
, expected
) == 0
3025 /* Some implementations produce exponents with 3 digits. */
3026 || (expected
[strlen (expected
) - 4] == 'e'
3027 && strlen (result
) == strlen (expected
) + 1
3028 && memcmp (result
, expected
, strlen (expected
) - 2) == 0
3029 && result
[strlen (expected
) - 2] == '0'
3030 && strcmp (result
+ strlen (expected
) - 1,
3031 expected
+ strlen (expected
) - 2)
3033 ASSERT (length
== strlen (result
));
3038 { /* A negative number. */
3041 my_asnprintf (NULL
, &length
, "%Lg %d", -0.03125L, 33, 44, 55);
3042 ASSERT (result
!= NULL
);
3043 ASSERT (strcmp (result
, "-0.03125 33") == 0);
3044 ASSERT (length
== strlen (result
));
3048 { /* Positive zero. */
3051 my_asnprintf (NULL
, &length
, "%Lg %d", 0.0L, 33, 44, 55);
3052 ASSERT (result
!= NULL
);
3053 ASSERT (strcmp (result
, "0 33") == 0);
3054 ASSERT (length
== strlen (result
));
3058 { /* Negative zero. */
3061 my_asnprintf (NULL
, &length
, "%Lg %d", minus_zerol
, 33, 44, 55);
3062 ASSERT (result
!= NULL
);
3063 if (have_minus_zero ())
3064 ASSERT (strcmp (result
, "-0 33") == 0);
3065 ASSERT (length
== strlen (result
));
3069 { /* Positive infinity. */
3072 my_asnprintf (NULL
, &length
, "%Lg %d", Infinityl (), 33, 44, 55);
3073 ASSERT (result
!= NULL
);
3074 ASSERT (strcmp (result
, "inf 33") == 0
3075 || strcmp (result
, "infinity 33") == 0);
3076 ASSERT (length
== strlen (result
));
3080 { /* Negative infinity. */
3083 my_asnprintf (NULL
, &length
, "%Lg %d", - Infinityl (), 33, 44, 55);
3084 ASSERT (result
!= NULL
);
3085 ASSERT (strcmp (result
, "-inf 33") == 0
3086 || strcmp (result
, "-infinity 33") == 0);
3087 ASSERT (length
== strlen (result
));
3094 my_asnprintf (NULL
, &length
, "%Lg %d", NaNl (), 33, 44, 55);
3095 ASSERT (result
!= NULL
);
3096 ASSERT (strlen (result
) >= 3 + 3
3097 && strisnan (result
, 0, strlen (result
) - 3, 0)
3098 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
3099 ASSERT (length
== strlen (result
));
3102 #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
3104 static union { unsigned int word
[4]; long double value
; } x
=
3105 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3108 my_asnprintf (NULL
, &length
, "%Lg %d", x
.value
, 33, 44, 55);
3109 ASSERT (result
!= NULL
);
3110 ASSERT (strlen (result
) >= 3 + 3
3111 && strisnan (result
, 0, strlen (result
) - 3, 0)
3112 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
3113 ASSERT (length
== strlen (result
));
3117 /* Signalling NaN. */
3118 static union { unsigned int word
[4]; long double value
; } x
=
3119 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3122 my_asnprintf (NULL
, &length
, "%Lg %d", x
.value
, 33, 44, 55);
3123 ASSERT (result
!= NULL
);
3124 ASSERT (strlen (result
) >= 3 + 3
3125 && strisnan (result
, 0, strlen (result
) - 3, 0)
3126 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
3127 ASSERT (length
== strlen (result
));
3130 /* asnprintf should print something for noncanonical values. */
3132 static union { unsigned int word
[4]; long double value
; } x
=
3133 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3136 my_asnprintf (NULL
, &length
, "%Lg %d", x
.value
, 33, 44, 55);
3137 ASSERT (result
!= NULL
);
3138 ASSERT (length
== strlen (result
));
3139 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
3142 { /* Pseudo-Infinity. */
3143 static union { unsigned int word
[4]; long double value
; } x
=
3144 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3147 my_asnprintf (NULL
, &length
, "%Lg %d", x
.value
, 33, 44, 55);
3148 ASSERT (result
!= NULL
);
3149 ASSERT (length
== strlen (result
));
3150 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
3153 { /* Pseudo-Zero. */
3154 static union { unsigned int word
[4]; long double value
; } x
=
3155 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3158 my_asnprintf (NULL
, &length
, "%Lg %d", x
.value
, 33, 44, 55);
3159 ASSERT (result
!= NULL
);
3160 ASSERT (length
== strlen (result
));
3161 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
3164 { /* Unnormalized number. */
3165 static union { unsigned int word
[4]; long double value
; } x
=
3166 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3169 my_asnprintf (NULL
, &length
, "%Lg %d", x
.value
, 33, 44, 55);
3170 ASSERT (result
!= NULL
);
3171 ASSERT (length
== strlen (result
));
3172 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
3175 { /* Pseudo-Denormal. */
3176 static union { unsigned int word
[4]; long double value
; } x
=
3177 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3180 my_asnprintf (NULL
, &length
, "%Lg %d", x
.value
, 33, 44, 55);
3181 ASSERT (result
!= NULL
);
3182 ASSERT (length
== strlen (result
));
3183 ASSERT (3 < length
&& strcmp (result
+ length
- 3, " 33") == 0);
3191 my_asnprintf (NULL
, &length
, "%10Lg %d", 1.75L, 33, 44, 55);
3192 ASSERT (result
!= NULL
);
3193 ASSERT (strcmp (result
, " 1.75 33") == 0);
3194 ASSERT (length
== strlen (result
));
3201 my_asnprintf (NULL
, &length
, "%-10Lg %d", 1.75L, 33, 44, 55);
3202 ASSERT (result
!= NULL
);
3203 ASSERT (strcmp (result
, "1.75 33") == 0);
3204 ASSERT (length
== strlen (result
));
3208 { /* FLAG_SHOWSIGN. */
3211 my_asnprintf (NULL
, &length
, "%+Lg %d", 1.75L, 33, 44, 55);
3212 ASSERT (result
!= NULL
);
3213 ASSERT (strcmp (result
, "+1.75 33") == 0);
3214 ASSERT (length
== strlen (result
));
3221 my_asnprintf (NULL
, &length
, "% Lg %d", 1.75L, 33, 44, 55);
3222 ASSERT (result
!= NULL
);
3223 ASSERT (strcmp (result
, " 1.75 33") == 0);
3224 ASSERT (length
== strlen (result
));
3231 my_asnprintf (NULL
, &length
, "%#Lg %d", 1.75L, 33, 44, 55);
3232 ASSERT (result
!= NULL
);
3233 ASSERT (strcmp (result
, "1.75000 33") == 0);
3234 ASSERT (length
== strlen (result
));
3241 my_asnprintf (NULL
, &length
, "%#.Lg %d", 1.75L, 33, 44, 55);
3242 ASSERT (result
!= NULL
);
3243 ASSERT (strcmp (result
, "2. 33") == 0);
3244 ASSERT (length
== strlen (result
));
3251 my_asnprintf (NULL
, &length
, "%#.Lg %d", 9.75L, 33, 44, 55);
3252 ASSERT (result
!= NULL
);
3253 ASSERT (strcmp (result
, "1.e+01 33") == 0
3254 || strcmp (result
, "1.e+001 33") == 0);
3255 ASSERT (length
== strlen (result
));
3259 { /* FLAG_ZERO with finite number. */
3262 my_asnprintf (NULL
, &length
, "%010Lg %d", 1234.0L, 33, 44, 55);
3263 ASSERT (result
!= NULL
);
3264 ASSERT (strcmp (result
, "0000001234 33") == 0);
3265 ASSERT (length
== strlen (result
));
3269 { /* FLAG_ZERO with infinite number. */
3272 my_asnprintf (NULL
, &length
, "%015Lg %d", - Infinityl (), 33, 44, 55);
3273 ASSERT (result
!= NULL
);
3274 ASSERT (strcmp (result
, " -inf 33") == 0
3275 || strcmp (result
, " -infinity 33") == 0);
3276 ASSERT (length
== strlen (result
));
3280 { /* FLAG_ZERO with NaN. */
3283 my_asnprintf (NULL
, &length
, "%050Lg %d", NaNl (), 33, 44, 55);
3284 ASSERT (result
!= NULL
);
3285 ASSERT (strlen (result
) == 50 + 3
3286 && strisnan (result
, strspn (result
, " "), strlen (result
) - 3, 0)
3287 && strcmp (result
+ strlen (result
) - 3, " 33") == 0);
3288 ASSERT (length
== strlen (result
));
3295 my_asnprintf (NULL
, &length
, "%.Lg %d", 1234.0L, 33, 44, 55);
3296 ASSERT (result
!= NULL
);
3297 ASSERT (strcmp (result
, "1e+03 33") == 0
3298 || strcmp (result
, "1e+003 33") == 0);
3299 ASSERT (length
== strlen (result
));
3303 { /* Precision with no rounding. */
3306 my_asnprintf (NULL
, &length
, "%.5Lg %d", 999.951L, 33, 44, 55);
3307 ASSERT (result
!= NULL
);
3308 ASSERT (strcmp (result
, "999.95 33") == 0);
3309 ASSERT (length
== strlen (result
));
3313 { /* Precision with rounding. */
3316 my_asnprintf (NULL
, &length
, "%.5Lg %d", 999.996L, 33, 44, 55);
3317 ASSERT (result
!= NULL
);
3318 ASSERT (strcmp (result
, "1000 33") == 0);
3319 ASSERT (length
== strlen (result
));
3323 /* Test the support of the %n format directive. */
3329 my_asnprintf (NULL
, &length
, "%d %n", 123, &count
, 33, 44, 55);
3330 ASSERT (result
!= NULL
);
3331 ASSERT (strcmp (result
, "123 ") == 0);
3332 ASSERT (length
== strlen (result
));
3333 ASSERT (count
== 4);
3337 /* Test the support of the POSIX/XSI format strings with positions. */
3342 my_asnprintf (NULL
, &length
, "%2$d %1$d", 33, 55);
3343 ASSERT (result
!= NULL
);
3344 ASSERT (strcmp (result
, "55 33") == 0);
3345 ASSERT (length
== strlen (result
));
3349 /* Test the support of the grouping flag. */
3354 my_asnprintf (NULL
, &length
, "%'d %d", 1234567, 99);
3355 ASSERT (result
!= NULL
);
3356 ASSERT (result
[strlen (result
) - 1] == '9');
3357 ASSERT (length
== strlen (result
));
3361 /* Test the support of the left-adjust flag. */
3366 my_asnprintf (NULL
, &length
, "a%*sc", -3, "b");
3367 ASSERT (result
!= NULL
);
3368 ASSERT (strcmp (result
, "ab c") == 0);
3369 ASSERT (length
== strlen (result
));
3376 my_asnprintf (NULL
, &length
, "a%-*sc", 3, "b");
3377 ASSERT (result
!= NULL
);
3378 ASSERT (strcmp (result
, "ab c") == 0);
3379 ASSERT (length
== strlen (result
));
3386 my_asnprintf (NULL
, &length
, "a%-*sc", -3, "b");
3387 ASSERT (result
!= NULL
);
3388 ASSERT (strcmp (result
, "ab c") == 0);
3389 ASSERT (length
== strlen (result
));
3393 /* Test the support of large precision. */
3398 my_asnprintf (NULL
, &length
, "%.4000d %d", 1234567, 99);
3400 ASSERT (result
!= NULL
);
3401 for (i
= 0; i
< 4000 - 7; i
++)
3402 ASSERT (result
[i
] == '0');
3403 ASSERT (strcmp (result
+ 4000 - 7, "1234567 99") == 0);
3404 ASSERT (length
== strlen (result
));
3411 my_asnprintf (NULL
, &length
, "%.*d %d", 4000, 1234567, 99);
3413 ASSERT (result
!= NULL
);
3414 for (i
= 0; i
< 4000 - 7; i
++)
3415 ASSERT (result
[i
] == '0');
3416 ASSERT (strcmp (result
+ 4000 - 7, "1234567 99") == 0);
3417 ASSERT (length
== strlen (result
));
3424 my_asnprintf (NULL
, &length
, "%.4000d %d", -1234567, 99);
3426 ASSERT (result
!= NULL
);
3427 ASSERT (result
[0] == '-');
3428 for (i
= 0; i
< 4000 - 7; i
++)
3429 ASSERT (result
[1 + i
] == '0');
3430 ASSERT (strcmp (result
+ 1 + 4000 - 7, "1234567 99") == 0);
3431 ASSERT (length
== strlen (result
));
3438 my_asnprintf (NULL
, &length
, "%.4000u %d", 1234567, 99);
3440 ASSERT (result
!= NULL
);
3441 for (i
= 0; i
< 4000 - 7; i
++)
3442 ASSERT (result
[i
] == '0');
3443 ASSERT (strcmp (result
+ 4000 - 7, "1234567 99") == 0);
3444 ASSERT (length
== strlen (result
));
3451 my_asnprintf (NULL
, &length
, "%.4000o %d", 1234567, 99);
3453 ASSERT (result
!= NULL
);
3454 for (i
= 0; i
< 4000 - 7; i
++)
3455 ASSERT (result
[i
] == '0');
3456 ASSERT (strcmp (result
+ 4000 - 7, "4553207 99") == 0);
3457 ASSERT (length
== strlen (result
));
3464 my_asnprintf (NULL
, &length
, "%.4000x %d", 1234567, 99);
3466 ASSERT (result
!= NULL
);
3467 for (i
= 0; i
< 4000 - 6; i
++)
3468 ASSERT (result
[i
] == '0');
3469 ASSERT (strcmp (result
+ 4000 - 6, "12d687 99") == 0);
3470 ASSERT (length
== strlen (result
));
3477 my_asnprintf (NULL
, &length
, "%#.4000x %d", 1234567, 99);
3479 ASSERT (result
!= NULL
);
3480 ASSERT (result
[0] == '0');
3481 ASSERT (result
[1] == 'x');
3482 for (i
= 0; i
< 4000 - 6; i
++)
3483 ASSERT (result
[2 + i
] == '0');
3484 ASSERT (strcmp (result
+ 2 + 4000 - 6, "12d687 99") == 0);
3485 ASSERT (length
== strlen (result
));
3492 my_asnprintf (NULL
, &length
, "%.4000f %d", 1.0, 99);
3494 ASSERT (result
!= NULL
);
3495 ASSERT (result
[0] == '1');
3496 ASSERT (result
[1] == '.');
3497 for (i
= 0; i
< 4000; i
++)
3498 ASSERT (result
[2 + i
] == '0');
3499 ASSERT (strcmp (result
+ 2 + 4000, " 99") == 0);
3500 ASSERT (length
== strlen (result
));
3507 my_asnprintf (NULL
, &length
, "%.511f %d", 1.0, 99);
3509 ASSERT (result
!= NULL
);
3510 ASSERT (result
[0] == '1');
3511 ASSERT (result
[1] == '.');
3512 for (i
= 0; i
< 511; i
++)
3513 ASSERT (result
[2 + i
] == '0');
3514 ASSERT (strcmp (result
+ 2 + 511, " 99") == 0);
3515 ASSERT (length
== strlen (result
));
3525 for (i
= 0; i
< sizeof (input
) - 1; i
++)
3526 input
[i
] = 'a' + ((1000000 / (i
+ 1)) % 26);
3528 result
= my_asnprintf (NULL
, &length
, "%.4000s %d", input
, 99);
3529 ASSERT (result
!= NULL
);
3530 ASSERT (memcmp (result
, input
, 4000) == 0);
3531 ASSERT (strcmp (result
+ 4000, " 99") == 0);
3532 ASSERT (length
== strlen (result
));
3536 /* Test the support of the %s format directive. */
3538 /* To verify that these tests succeed, it is necessary to run them under
3539 a tool that checks against invalid memory accesses, such as ElectricFence
3540 or "valgrind --tool=memcheck". */
3544 for (i
= 1; i
<= 8; i
++)
3550 block
= (char *) malloc (i
);
3551 memcpy (block
, "abcdefgh", i
);
3552 result
= my_asnprintf (NULL
, &length
, "%.*s", (int) i
, block
);
3553 ASSERT (result
!= NULL
);
3554 ASSERT (memcmp (result
, block
, i
) == 0);
3555 ASSERT (result
[i
] == '\0');
3556 ASSERT (length
== strlen (result
));
3565 for (i
= 1; i
<= 8; i
++)
3572 block
= (wchar_t *) malloc (i
* sizeof (wchar_t));
3573 for (j
= 0; j
< i
; j
++)
3574 block
[j
] = "abcdefgh"[j
];
3575 result
= my_asnprintf (NULL
, &length
, "%.*ls", (int) i
, block
);
3576 ASSERT (result
!= NULL
);
3577 ASSERT (memcmp (result
, "abcdefgh", i
) == 0);
3578 ASSERT (result
[i
] == '\0');
3579 ASSERT (length
== strlen (result
));
3587 /* Test that converting an invalid wchar_t[] to char[] fails with EILSEQ. */
3589 static const wchar_t input
[] = { (wchar_t) 1702057263, 114, 0 };
3591 char *result
= my_asnprintf (NULL
, &length
, "%ls %d", input
, 99);
3593 ASSERT (errno
== EILSEQ
);
3598 static const wchar_t input
[] = { (wchar_t) 1702057263, 114, 0 };
3600 char *result
= my_asnprintf (NULL
, &length
, "%3ls %d", input
, 99);
3602 ASSERT (errno
== EILSEQ
);
3607 static const wchar_t input
[] = { (wchar_t) 1702057263, 114, 0 };
3609 char *result
= my_asnprintf (NULL
, &length
, "%.1ls %d", input
, 99);
3611 ASSERT (errno
== EILSEQ
);
3616 static const wchar_t input
[] = { (wchar_t) 1702057263, 114, 0 };
3618 char *result
= my_asnprintf (NULL
, &length
, "%3.1ls %d", input
, 99);
3620 ASSERT (errno
== EILSEQ
);
3626 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) && !defined __UCLIBC__
3627 /* Test that the 'I' flag is supported. */
3631 my_asnprintf (NULL
, &length
, "%Id %d", 1234567, 99);
3632 ASSERT (result
!= NULL
);
3633 ASSERT (strcmp (result
, "1234567 99") == 0);
3634 ASSERT (length
== strlen (result
));
3641 my_asnprintf (char *resultbuf
, size_t *lengthp
, const char *format
, ...)
3646 va_start (args
, format
);
3647 ret
= vasnprintf (resultbuf
, lengthp
, format
, args
);
3655 test_function (my_asnprintf
);
3661 test_function (asnprintf
);
3665 main (int argc
, char *argv
[])