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(yn_test): Expect invalid exception for negative arguments. (y0_test): Likewise....
[glibc.git] / stdio-common / vfprintf.c
blobb84107ab6fb53b422aa5dbd3936de6e403c6e006
1 /* Copyright (C) 1991-2002, 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library 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 GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
18
19 #include <ctype.h>
20 #include <limits.h>
21 #include <printf.h>
22 #include <stdarg.h>
23 #include <stdint.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <errno.h>
27 #include <wchar.h>
28 #include <bits/libc-lock.h>
29 #include <sys/param.h>
30 #include "_itoa.h"
31 #include <locale/localeinfo.h>
32 #include <stdio.h>
33
34 /* This code is shared between the standard stdio implementation found
35 in GNU C library and the libio implementation originally found in
36 GNU libg++.
37
38 Beside this it is also shared between the normal and wide character
39 implementation as defined in ISO/IEC 9899:1990/Amendment 1:1995. */
40
41
42 #ifdef USE_IN_LIBIO
43 /* This code is for use in libio. */
44 # include <libioP.h>
45 # define FILE _IO_FILE
46 # undef va_list
47 # define va_list _IO_va_list
48 # undef BUFSIZ
49 # define BUFSIZ _IO_BUFSIZ
50 # define ARGCHECK(S, Format) \
51 do \
52 { \
53 /* Check file argument for consistence. */ \
54 CHECK_FILE (S, -1); \
55 if (S->_flags & _IO_NO_WRITES) \
56 { \
57 __set_errno (EBADF); \
58 return -1; \
59 } \
60 if (Format == NULL) \
61 { \
62 MAYBE_SET_EINVAL; \
63 return -1; \
64 } \
65 } while (0)
66 # define UNBUFFERED_P(S) ((S)->_IO_file_flags & _IO_UNBUFFERED)
67
68 # ifndef COMPILE_WPRINTF
69 # define vfprintf _IO_vfprintf
70 # define CHAR_T char
71 # define UCHAR_T unsigned char
72 # define INT_T int
73 # define L_(Str) Str
74 # define ISDIGIT(Ch) ((unsigned int) ((Ch) - '0') < 10)
75
76 # define PUT(F, S, N) _IO_sputn ((F), (S), (N))
77 # define PAD(Padchar) \
78 if (width > 0) \
79 done += INTUSE(_IO_padn) (s, (Padchar), width)
80 # define PUTC(C, F) _IO_putc_unlocked (C, F)
81 # define ORIENT if (_IO_vtable_offset (s) == 0 && _IO_fwide (s, -1) != -1)\
82 return -1
83 # else
84 # define vfprintf _IO_vfwprintf
85 # define CHAR_T wchar_t
86 /* This is a hack!!! There should be a type uwchar_t. */
87 # define UCHAR_T unsigned int /* uwchar_t */
88 # define INT_T wint_t
89 # define L_(Str) L##Str
90 # define ISDIGIT(Ch) ((unsigned int) ((Ch) - L'0') < 10)
91
92 # include "_itowa.h"
93
94 # define PUT(F, S, N) _IO_sputn ((F), (S), (N))
95 # define PAD(Padchar) \
96 if (width > 0) \
97 done += _IO_wpadn (s, (Padchar), width)
98 # define PUTC(C, F) _IO_putwc_unlocked (C, F)
99 # define ORIENT if (_IO_fwide (s, 1) != 1) return -1
100
101 # define _itoa(Val, Buf, Base, Case) _itowa (Val, Buf, Base, Case)
102 # define _itoa_word(Val, Buf, Base, Case) _itowa_word (Val, Buf, Base, Case)
103 # undef EOF
104 # define EOF WEOF
105 # endif
106 #else /* ! USE_IN_LIBIO */
107 /* This code is for use in the GNU C library. */
108 # define ARGCHECK(S, Format) \
109 do \
110 { \
111 /* Check file argument for consistence. */ \
112 if (!__validfp (S) || !S->__mode.__write) \
113 { \
114 __set_errno (EBADF); \
115 return -1; \
116 } \
117 if (Format == NULL) \
118 { \
119 __set_errno (EINVAL); \
120 return -1; \
121 } \
122 if (!S->__seen) \
123 { \
124 if (__flshfp (S, EOF) == EOF) \
125 return -1; \
126 } \
127 } \
128 while (0)
129 # define UNBUFFERED_P(s) ((s)->__buffer == NULL)
130
131 # define CHAR_T char
132 # define UCHAR_T unsigned char
133 # define INT_T int
134 # define L_(Str) Str
135 # define ISDIGIT(Ch) isdigit (Ch)
136
137 # define PUT(F, S, N) fwrite (S, 1, N, F)
138 ssize_t __printf_pad __P ((FILE *, char pad, size_t n));
139 # define PAD(Padchar) \
140 if (width > 0) \
141 { ssize_t __res = __printf_pad (s, (Padchar), width); \
142 if (__res == -1) \
143 { \
144 done = -1; \
145 goto all_done; \
146 } \
147 done += __res; }
148 # define PUTC(C, F) putc (C, F)
149
150 /* XXX These declarations should go as soon as the stdio header files
151 have these prototypes. */
152 extern void __flockfile (FILE *);
153 extern void __funlockfile (FILE *);
154 #endif /* USE_IN_LIBIO */
155
156 #include "_i18n_number.h"
157
158 /* Include the shared code for parsing the format string. */
159 #include "printf-parse.h"
160
161
162 #define outchar(Ch) \
163 do \
164 { \
165 register const INT_T outc = (Ch); \
166 if (PUTC (outc, s) == EOF) \
167 { \
168 done = -1; \
169 goto all_done; \
170 } \
171 else \
172 ++done; \
173 } \
174 while (0)
175
176 #define outstring(String, Len) \
177 do \
178 { \
179 if ((size_t) PUT (s, (String), (Len)) != (size_t) (Len)) \
180 { \
181 done = -1; \
182 goto all_done; \
183 } \
184 done += (Len); \
185 } \
186 while (0)
187
188 /* For handling long_double and longlong we use the same flag. If
189 `long' and `long long' are effectively the same type define it to
190 zero. */
191 #if LONG_MAX == LONG_LONG_MAX
192 # define is_longlong 0
193 #else
194 # define is_longlong is_long_double
195 #endif
196
197 /* If `long' and `int' is effectively the same type we don't have to
198 handle `long separately. */
199 #if INT_MAX == LONG_MAX
200 # define is_long_num 0
201 #else
202 # define is_long_num is_long
203 #endif
204
205
206 /* Global variables. */
207 static const CHAR_T null[] = L_("(null)");
208
209
210 /* Helper function to provide temporary buffering for unbuffered streams. */
211 static int buffered_vfprintf __P ((FILE *stream, const CHAR_T *fmt, va_list))
212 __attribute__ ((noinline)) internal_function;
213
214 /* Handle unknown format specifier. */
215 static int printf_unknown __P ((FILE *, const struct printf_info *,
216 const void *const *));
217
218 /* Group digits of number string. */
219 #ifdef COMPILE_WPRINTF
220 static CHAR_T *group_number __P ((CHAR_T *, CHAR_T *, const char *, wchar_t))
221 internal_function;
222 #else
223 static CHAR_T *group_number __P ((CHAR_T *, CHAR_T *, const char *,
224 const char *)) internal_function;
225 #endif
226
227
228 /* The function itself. */
229 int
230 vfprintf (FILE *s, const CHAR_T *format, va_list ap)
231 {
232 /* The character used as thousands separator. */
233 #ifdef COMPILE_WPRINTF
234 wchar_t thousands_sep = L'\0';
235 #else
236 const char *thousands_sep = NULL;
237 #endif
238
239 /* The string describing the size of groups of digits. */
240 const char *grouping;
241
242 /* Place to accumulate the result. */
243 int done;
244
245 /* Current character in format string. */
246 const UCHAR_T *f;
247
248 /* End of leading constant string. */
249 const UCHAR_T *lead_str_end;
250
251 /* Points to next format specifier. */
252 const UCHAR_T *end_of_spec;
253
254 /* Buffer intermediate results. */
255 CHAR_T work_buffer[1000];
256 CHAR_T *workstart = NULL;
257 CHAR_T *workend;
258
259 /* State for restartable multibyte character handling functions. */
260 #ifndef COMPILE_WPRINTF
261 mbstate_t mbstate;
262 #endif
263
264 /* We have to save the original argument pointer. */
265 va_list ap_save;
266
267 /* Count number of specifiers we already processed. */
268 int nspecs_done;
269
270 /* For the %m format we may need the current `errno' value. */
271 int save_errno = errno;
272
273
274 /* This table maps a character into a number representing a
275 class. In each step there is a destination label for each
276 class. */
277 static const int jump_table[] =
278 {
279 /* ' ' */ 1, 0, 0, /* '#' */ 4,
280 0, /* '%' */ 14, 0, /* '\''*/ 6,
281 0, 0, /* '*' */ 7, /* '+' */ 2,
282 0, /* '-' */ 3, /* '.' */ 9, 0,
283 /* '0' */ 5, /* '1' */ 8, /* '2' */ 8, /* '3' */ 8,
284 /* '4' */ 8, /* '5' */ 8, /* '6' */ 8, /* '7' */ 8,
285 /* '8' */ 8, /* '9' */ 8, 0, 0,
286 0, 0, 0, 0,
287 0, /* 'A' */ 26, 0, /* 'C' */ 25,
288 0, /* 'E' */ 19, /* F */ 19, /* 'G' */ 19,
289 0, /* 'I' */ 29, 0, 0,
290 /* 'L' */ 12, 0, 0, 0,
291 0, 0, 0, /* 'S' */ 21,
292 0, 0, 0, 0,
293 /* 'X' */ 18, 0, /* 'Z' */ 13, 0,
294 0, 0, 0, 0,
295 0, /* 'a' */ 26, 0, /* 'c' */ 20,
296 /* 'd' */ 15, /* 'e' */ 19, /* 'f' */ 19, /* 'g' */ 19,
297 /* 'h' */ 10, /* 'i' */ 15, /* 'j' */ 28, 0,
298 /* 'l' */ 11, /* 'm' */ 24, /* 'n' */ 23, /* 'o' */ 17,
299 /* 'p' */ 22, /* 'q' */ 12, 0, /* 's' */ 21,
300 /* 't' */ 27, /* 'u' */ 16, 0, 0,
301 /* 'x' */ 18, 0, /* 'z' */ 13
302 };
303
304 #define NOT_IN_JUMP_RANGE(Ch) ((Ch) < L_(' ') || (Ch) > L_('z'))
305 #define CHAR_CLASS(Ch) (jump_table[(INT_T) (Ch) - L_(' ')])
306 #if defined HAVE_SUBTRACT_LOCAL_LABELS && defined SHARED
307 /* 'int' is enough and it saves some space on 64 bit systems. */
308 # define JUMP_TABLE_TYPE const int
309 # define JUMP(ChExpr, table) \
310 do \
311 { \
312 int offset; \
313 void *__unbounded ptr; \
314 spec = (ChExpr); \
315 offset = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \
316 : table[CHAR_CLASS (spec)]; \
317 ptr = &&do_form_unknown + offset; \
318 goto *ptr; \
319 } \
320 while (0)
321 #else
322 # define JUMP_TABLE_TYPE const void *const
323 # define JUMP(ChExpr, table) \
324 do \
325 { \
326 const void *__unbounded ptr; \
327 spec = (ChExpr); \
328 ptr = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \
329 : table[CHAR_CLASS (spec)]; \
330 goto *ptr; \
331 } \
332 while (0)
333 #endif
334
335 #define STEP0_3_TABLE \
336 /* Step 0: at the beginning. */ \
337 static JUMP_TABLE_TYPE step0_jumps[30] = \
338 { \
339 REF (form_unknown), \
340 REF (flag_space), /* for ' ' */ \
341 REF (flag_plus), /* for '+' */ \
342 REF (flag_minus), /* for '-' */ \
343 REF (flag_hash), /* for '<hash>' */ \
344 REF (flag_zero), /* for '0' */ \
345 REF (flag_quote), /* for '\'' */ \
346 REF (width_asterics), /* for '*' */ \
347 REF (width), /* for '1'...'9' */ \
348 REF (precision), /* for '.' */ \
349 REF (mod_half), /* for 'h' */ \
350 REF (mod_long), /* for 'l' */ \
351 REF (mod_longlong), /* for 'L', 'q' */ \
352 REF (mod_size_t), /* for 'z', 'Z' */ \
353 REF (form_percent), /* for '%' */ \
354 REF (form_integer), /* for 'd', 'i' */ \
355 REF (form_unsigned), /* for 'u' */ \
356 REF (form_octal), /* for 'o' */ \
357 REF (form_hexa), /* for 'X', 'x' */ \
358 REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
359 REF (form_character), /* for 'c' */ \
360 REF (form_string), /* for 's', 'S' */ \
361 REF (form_pointer), /* for 'p' */ \
362 REF (form_number), /* for 'n' */ \
363 REF (form_strerror), /* for 'm' */ \
364 REF (form_wcharacter), /* for 'C' */ \
365 REF (form_floathex), /* for 'A', 'a' */ \
366 REF (mod_ptrdiff_t), /* for 't' */ \
367 REF (mod_intmax_t), /* for 'j' */ \
368 REF (flag_i18n), /* for 'I' */ \
369 }; \
370 /* Step 1: after processing width. */ \
371 static JUMP_TABLE_TYPE step1_jumps[30] = \
372 { \
373 REF (form_unknown), \
374 REF (form_unknown), /* for ' ' */ \
375 REF (form_unknown), /* for '+' */ \
376 REF (form_unknown), /* for '-' */ \
377 REF (form_unknown), /* for '<hash>' */ \
378 REF (form_unknown), /* for '0' */ \
379 REF (form_unknown), /* for '\'' */ \
380 REF (form_unknown), /* for '*' */ \
381 REF (form_unknown), /* for '1'...'9' */ \
382 REF (precision), /* for '.' */ \
383 REF (mod_half), /* for 'h' */ \
384 REF (mod_long), /* for 'l' */ \
385 REF (mod_longlong), /* for 'L', 'q' */ \
386 REF (mod_size_t), /* for 'z', 'Z' */ \
387 REF (form_percent), /* for '%' */ \
388 REF (form_integer), /* for 'd', 'i' */ \
389 REF (form_unsigned), /* for 'u' */ \
390 REF (form_octal), /* for 'o' */ \
391 REF (form_hexa), /* for 'X', 'x' */ \
392 REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
393 REF (form_character), /* for 'c' */ \
394 REF (form_string), /* for 's', 'S' */ \
395 REF (form_pointer), /* for 'p' */ \
396 REF (form_number), /* for 'n' */ \
397 REF (form_strerror), /* for 'm' */ \
398 REF (form_wcharacter), /* for 'C' */ \
399 REF (form_floathex), /* for 'A', 'a' */ \
400 REF (mod_ptrdiff_t), /* for 't' */ \
401 REF (mod_intmax_t), /* for 'j' */ \
402 REF (flag_i18n) /* for 'I' */ \
403 }; \
404 /* Step 2: after processing precision. */ \
405 static JUMP_TABLE_TYPE step2_jumps[30] = \
406 { \
407 REF (form_unknown), \
408 REF (form_unknown), /* for ' ' */ \
409 REF (form_unknown), /* for '+' */ \
410 REF (form_unknown), /* for '-' */ \
411 REF (form_unknown), /* for '<hash>' */ \
412 REF (form_unknown), /* for '0' */ \
413 REF (form_unknown), /* for '\'' */ \
414 REF (form_unknown), /* for '*' */ \
415 REF (form_unknown), /* for '1'...'9' */ \
416 REF (form_unknown), /* for '.' */ \
417 REF (mod_half), /* for 'h' */ \
418 REF (mod_long), /* for 'l' */ \
419 REF (mod_longlong), /* for 'L', 'q' */ \
420 REF (mod_size_t), /* for 'z', 'Z' */ \
421 REF (form_percent), /* for '%' */ \
422 REF (form_integer), /* for 'd', 'i' */ \
423 REF (form_unsigned), /* for 'u' */ \
424 REF (form_octal), /* for 'o' */ \
425 REF (form_hexa), /* for 'X', 'x' */ \
426 REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
427 REF (form_character), /* for 'c' */ \
428 REF (form_string), /* for 's', 'S' */ \
429 REF (form_pointer), /* for 'p' */ \
430 REF (form_number), /* for 'n' */ \
431 REF (form_strerror), /* for 'm' */ \
432 REF (form_wcharacter), /* for 'C' */ \
433 REF (form_floathex), /* for 'A', 'a' */ \
434 REF (mod_ptrdiff_t), /* for 't' */ \
435 REF (mod_intmax_t), /* for 'j' */ \
436 REF (flag_i18n) /* for 'I' */ \
437 }; \
438 /* Step 3a: after processing first 'h' modifier. */ \
439 static JUMP_TABLE_TYPE step3a_jumps[30] = \
440 { \
441 REF (form_unknown), \
442 REF (form_unknown), /* for ' ' */ \
443 REF (form_unknown), /* for '+' */ \
444 REF (form_unknown), /* for '-' */ \
445 REF (form_unknown), /* for '<hash>' */ \
446 REF (form_unknown), /* for '0' */ \
447 REF (form_unknown), /* for '\'' */ \
448 REF (form_unknown), /* for '*' */ \
449 REF (form_unknown), /* for '1'...'9' */ \
450 REF (form_unknown), /* for '.' */ \
451 REF (mod_halfhalf), /* for 'h' */ \
452 REF (form_unknown), /* for 'l' */ \
453 REF (form_unknown), /* for 'L', 'q' */ \
454 REF (form_unknown), /* for 'z', 'Z' */ \
455 REF (form_percent), /* for '%' */ \
456 REF (form_integer), /* for 'd', 'i' */ \
457 REF (form_unsigned), /* for 'u' */ \
458 REF (form_octal), /* for 'o' */ \
459 REF (form_hexa), /* for 'X', 'x' */ \
460 REF (form_unknown), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
461 REF (form_unknown), /* for 'c' */ \
462 REF (form_unknown), /* for 's', 'S' */ \
463 REF (form_unknown), /* for 'p' */ \
464 REF (form_number), /* for 'n' */ \
465 REF (form_unknown), /* for 'm' */ \
466 REF (form_unknown), /* for 'C' */ \
467 REF (form_unknown), /* for 'A', 'a' */ \
468 REF (form_unknown), /* for 't' */ \
469 REF (form_unknown), /* for 'j' */ \
470 REF (form_unknown) /* for 'I' */ \
471 }; \
472 /* Step 3b: after processing first 'l' modifier. */ \
473 static JUMP_TABLE_TYPE step3b_jumps[30] = \
474 { \
475 REF (form_unknown), \
476 REF (form_unknown), /* for ' ' */ \
477 REF (form_unknown), /* for '+' */ \
478 REF (form_unknown), /* for '-' */ \
479 REF (form_unknown), /* for '<hash>' */ \
480 REF (form_unknown), /* for '0' */ \
481 REF (form_unknown), /* for '\'' */ \
482 REF (form_unknown), /* for '*' */ \
483 REF (form_unknown), /* for '1'...'9' */ \
484 REF (form_unknown), /* for '.' */ \
485 REF (form_unknown), /* for 'h' */ \
486 REF (mod_longlong), /* for 'l' */ \
487 REF (form_unknown), /* for 'L', 'q' */ \
488 REF (form_unknown), /* for 'z', 'Z' */ \
489 REF (form_percent), /* for '%' */ \
490 REF (form_integer), /* for 'd', 'i' */ \
491 REF (form_unsigned), /* for 'u' */ \
492 REF (form_octal), /* for 'o' */ \
493 REF (form_hexa), /* for 'X', 'x' */ \
494 REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
495 REF (form_character), /* for 'c' */ \
496 REF (form_string), /* for 's', 'S' */ \
497 REF (form_pointer), /* for 'p' */ \
498 REF (form_number), /* for 'n' */ \
499 REF (form_strerror), /* for 'm' */ \
500 REF (form_wcharacter), /* for 'C' */ \
501 REF (form_floathex), /* for 'A', 'a' */ \
502 REF (form_unknown), /* for 't' */ \
503 REF (form_unknown), /* for 'j' */ \
504 REF (form_unknown) /* for 'I' */ \
505 }
506
507 #define STEP4_TABLE \
508 /* Step 4: processing format specifier. */ \
509 static JUMP_TABLE_TYPE step4_jumps[30] = \
510 { \
511 REF (form_unknown), \
512 REF (form_unknown), /* for ' ' */ \
513 REF (form_unknown), /* for '+' */ \
514 REF (form_unknown), /* for '-' */ \
515 REF (form_unknown), /* for '<hash>' */ \
516 REF (form_unknown), /* for '0' */ \
517 REF (form_unknown), /* for '\'' */ \
518 REF (form_unknown), /* for '*' */ \
519 REF (form_unknown), /* for '1'...'9' */ \
520 REF (form_unknown), /* for '.' */ \
521 REF (form_unknown), /* for 'h' */ \
522 REF (form_unknown), /* for 'l' */ \
523 REF (form_unknown), /* for 'L', 'q' */ \
524 REF (form_unknown), /* for 'z', 'Z' */ \
525 REF (form_percent), /* for '%' */ \
526 REF (form_integer), /* for 'd', 'i' */ \
527 REF (form_unsigned), /* for 'u' */ \
528 REF (form_octal), /* for 'o' */ \
529 REF (form_hexa), /* for 'X', 'x' */ \
530 REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
531 REF (form_character), /* for 'c' */ \
532 REF (form_string), /* for 's', 'S' */ \
533 REF (form_pointer), /* for 'p' */ \
534 REF (form_number), /* for 'n' */ \
535 REF (form_strerror), /* for 'm' */ \
536 REF (form_wcharacter), /* for 'C' */ \
537 REF (form_floathex), /* for 'A', 'a' */ \
538 REF (form_unknown), /* for 't' */ \
539 REF (form_unknown), /* for 'j' */ \
540 REF (form_unknown) /* for 'I' */ \
541 }
542
543
544 #define process_arg(fspec) \
545 /* Start real work. We know about all flags and modifiers and \
546 now process the wanted format specifier. */ \
547 LABEL (form_percent): \
548 /* Write a literal "%". */ \
549 outchar (L_('%')); \
550 break; \
551 \
552 LABEL (form_integer): \
553 /* Signed decimal integer. */ \
554 base = 10; \
555 \
556 if (is_longlong) \
557 { \
558 long long int signed_number; \
559 \
560 if (fspec == NULL) \
561 signed_number = va_arg (ap, long long int); \
562 else \
563 signed_number = args_value[fspec->data_arg].pa_long_long_int; \
564 \
565 is_negative = signed_number < 0; \
566 number.longlong = is_negative ? (- signed_number) : signed_number; \
567 \
568 goto LABEL (longlong_number); \
569 } \
570 else \
571 { \
572 long int signed_number; \
573 \
574 if (fspec == NULL) \
575 { \
576 if (is_long_num) \
577 signed_number = va_arg (ap, long int); \
578 else /* `char' and `short int' will be promoted to `int'. */ \
579 signed_number = va_arg (ap, int); \
580 } \
581 else \
582 if (is_long_num) \
583 signed_number = args_value[fspec->data_arg].pa_long_int; \
584 else /* `char' and `short int' will be promoted to `int'. */ \
585 signed_number = args_value[fspec->data_arg].pa_int; \
586 \
587 is_negative = signed_number < 0; \
588 number.word = is_negative ? (- signed_number) : signed_number; \
589 \
590 goto LABEL (number); \
591 } \
592 /* NOTREACHED */ \
593 \
594 LABEL (form_unsigned): \
595 /* Unsigned decimal integer. */ \
596 base = 10; \
597 goto LABEL (unsigned_number); \
598 /* NOTREACHED */ \
599 \
600 LABEL (form_octal): \
601 /* Unsigned octal integer. */ \
602 base = 8; \
603 goto LABEL (unsigned_number); \
604 /* NOTREACHED */ \
605 \
606 LABEL (form_hexa): \
607 /* Unsigned hexadecimal integer. */ \
608 base = 16; \
609 \
610 LABEL (unsigned_number): /* Unsigned number of base BASE. */ \
611 \
612 /* ISO specifies the `+' and ` ' flags only for signed \
613 conversions. */ \
614 is_negative = 0; \
615 showsign = 0; \
616 space = 0; \
617 \
618 if (is_longlong) \
619 { \
620 if (fspec == NULL) \
621 number.longlong = va_arg (ap, unsigned long long int); \
622 else \
623 number.longlong = args_value[fspec->data_arg].pa_u_long_long_int; \
624 \
625 LABEL (longlong_number): \
626 if (prec < 0) \
627 /* Supply a default precision if none was given. */ \
628 prec = 1; \
629 else \
630 /* We have to take care for the '0' flag. If a precision \
631 is given it must be ignored. */ \
632 pad = L_(' '); \
633 \
634 /* If the precision is 0 and the number is 0 nothing has to \
635 be written for the number, except for the 'o' format in \
636 alternate form. */ \
637 if (prec == 0 && number.longlong == 0) \
638 { \
639 string = workend; \
640 if (base == 8 && alt) \
641 *--string = L_('0'); \
642 } \
643 else \
644 { \
645 /* Put the number in WORK. */ \
646 string = _itoa (number.longlong, workend, base, \
647 spec == L_('X')); \
648 if (group && grouping) \
649 string = group_number (string, workend, grouping, \
650 thousands_sep); \
651 \
652 if (use_outdigits && base == 10) \
653 string = _i18n_number_rewrite (string, workend); \
654 } \
655 /* Simplify further test for num != 0. */ \
656 number.word = number.longlong != 0; \
657 } \
658 else \
659 { \
660 if (fspec == NULL) \
661 { \
662 if (is_long_num) \
663 number.word = va_arg (ap, unsigned long int); \
664 else if (is_char) \
665 number.word = (unsigned char) va_arg (ap, unsigned int); \
666 else if (!is_short) \
667 number.word = va_arg (ap, unsigned int); \
668 else \
669 number.word = (unsigned short int) va_arg (ap, unsigned int); \
670 } \
671 else \
672 if (is_long_num) \
673 number.word = args_value[fspec->data_arg].pa_u_long_int; \
674 else if (is_char) \
675 number.word = (unsigned char) \
676 args_value[fspec->data_arg].pa_u_int; \
677 else if (!is_short) \
678 number.word = args_value[fspec->data_arg].pa_u_int; \
679 else \
680 number.word = (unsigned short int) \
681 args_value[fspec->data_arg].pa_u_int; \
682 \
683 LABEL (number): \
684 if (prec < 0) \
685 /* Supply a default precision if none was given. */ \
686 prec = 1; \
687 else \
688 /* We have to take care for the '0' flag. If a precision \
689 is given it must be ignored. */ \
690 pad = L_(' '); \
691 \
692 /* If the precision is 0 and the number is 0 nothing has to \
693 be written for the number, except for the 'o' format in \
694 alternate form. */ \
695 if (prec == 0 && number.word == 0) \
696 { \
697 string = workend; \
698 if (base == 8 && alt) \
699 *--string = L_('0'); \
700 } \
701 else \
702 { \
703 /* Put the number in WORK. */ \
704 string = _itoa_word (number.word, workend, base, \
705 spec == L_('X')); \
706 if (group && grouping) \
707 string = group_number (string, workend, grouping, \
708 thousands_sep); \
709 \
710 if (use_outdigits && base == 10) \
711 string = _i18n_number_rewrite (string, workend); \
712 } \
713 } \
714 \
715 if (prec <= workend - string && number.word != 0 && alt && base == 8) \
716 /* Add octal marker. */ \
717 *--string = L_('0'); \
718 \
719 prec = MAX (0, prec - (workend - string)); \
720 \
721 if (!left) \
722 { \
723 width -= workend - string + prec; \
724 \
725 if (number.word != 0 && alt && base == 16) \
726 /* Account for 0X hex marker. */ \
727 width -= 2; \
728 \
729 if (is_negative || showsign || space) \
730 --width; \
731 \
732 if (pad == L_(' ')) \
733 { \
734 PAD (L_(' ')); \
735 width = 0; \
736 } \
737 \
738 if (is_negative) \
739 outchar (L_('-')); \
740 else if (showsign) \
741 outchar (L_('+')); \
742 else if (space) \
743 outchar (L_(' ')); \
744 \
745 if (number.word != 0 && alt && base == 16) \
746 { \
747 outchar (L_('0')); \
748 outchar (spec); \
749 } \
750 \
751 width += prec; \
752 PAD (L_('0')); \
753 \
754 outstring (string, workend - string); \
755 \
756 break; \
757 } \
758 else \
759 { \
760 if (is_negative) \
761 { \
762 outchar (L_('-')); \
763 --width; \
764 } \
765 else if (showsign) \
766 { \
767 outchar (L_('+')); \
768 --width; \
769 } \
770 else if (space) \
771 { \
772 outchar (L_(' ')); \
773 --width; \
774 } \
775 \
776 if (number.word != 0 && alt && base == 16) \
777 { \
778 outchar (L_('0')); \
779 outchar (spec); \
780 width -= 2; \
781 } \
782 \
783 width -= workend - string + prec; \
784 \
785 if (prec > 0) \
786 { \
787 int temp = width; \
788 width = prec; \
789 PAD (L_('0'));; \
790 width = temp; \
791 } \
792 \
793 outstring (string, workend - string); \
794 \
795 PAD (L_(' ')); \
796 break; \
797 } \
798 \
799 LABEL (form_float): \
800 { \
801 /* Floating-point number. This is handled by printf_fp.c. */ \
802 const void *ptr; \
803 int function_done; \
804 \
805 if (fspec == NULL) \
806 { \
807 struct printf_info info = { .prec = prec, \
808 .width = width, \
809 .spec = spec, \
810 .is_long_double = is_long_double, \
811 .is_short = is_short, \
812 .is_long = is_long, \
813 .alt = alt, \
814 .space = space, \
815 .left = left, \
816 .showsign = showsign, \
817 .group = group, \
818 .pad = pad, \
819 .extra = 0, \
820 .i18n = use_outdigits, \
821 .wide = sizeof (CHAR_T) != 1 }; \
822 \
823 if (is_long_double) \
824 the_arg.pa_long_double = va_arg (ap, long double); \
825 else \
826 the_arg.pa_double = va_arg (ap, double); \
827 ptr = (const void *) &the_arg; \
828 \
829 function_done = __printf_fp (s, &info, &ptr); \
830 } \
831 else \
832 { \
833 ptr = (const void *) &args_value[fspec->data_arg]; \
834 \
835 function_done = __printf_fp (s, &fspec->info, &ptr); \
836 } \
837 \
838 if (function_done < 0) \
839 { \
840 /* Error in print handler. */ \
841 done = -1; \
842 goto all_done; \
843 } \
844 \
845 done += function_done; \
846 } \
847 break; \
848 \
849 LABEL (form_floathex): \
850 { \
851 /* Floating point number printed as hexadecimal number. */ \
852 const void *ptr; \
853 int function_done; \
854 \
855 if (fspec == NULL) \
856 { \
857 struct printf_info info = { .prec = prec, \
858 .width = width, \
859 .spec = spec, \
860 .is_long_double = is_long_double, \
861 .is_short = is_short, \
862 .is_long = is_long, \
863 .alt = alt, \
864 .space = space, \
865 .left = left, \
866 .showsign = showsign, \
867 .group = group, \
868 .pad = pad, \
869 .extra = 0, \
870 .wide = sizeof (CHAR_T) != 1 }; \
871 \
872 if (is_long_double) \
873 the_arg.pa_long_double = va_arg (ap, long double); \
874 else \
875 the_arg.pa_double = va_arg (ap, double); \
876 ptr = (const void *) &the_arg; \
877 \
878 function_done = __printf_fphex (s, &info, &ptr); \
879 } \
880 else \
881 { \
882 ptr = (const void *) &args_value[fspec->data_arg]; \
883 \
884 function_done = __printf_fphex (s, &fspec->info, &ptr); \
885 } \
886 \
887 if (function_done < 0) \
888 { \
889 /* Error in print handler. */ \
890 done = -1; \
891 goto all_done; \
892 } \
893 \
894 done += function_done; \
895 } \
896 break; \
897 \
898 LABEL (form_pointer): \
899 /* Generic pointer. */ \
900 { \
901 const void *ptr; \
902 if (fspec == NULL) \
903 ptr = va_arg (ap, void *); \
904 else \
905 ptr = args_value[fspec->data_arg].pa_pointer; \
906 if (ptr != NULL) \
907 { \
908 /* If the pointer is not NULL, write it as a %#x spec. */ \
909 base = 16; \
910 number.word = (unsigned long int) ptr; \
911 is_negative = 0; \
912 alt = 1; \
913 group = 0; \
914 spec = L_('x'); \
915 goto LABEL (number); \
916 } \
917 else \
918 { \
919 /* Write "(nil)" for a nil pointer. */ \
920 string = (CHAR_T *) L_("(nil)"); \
921 /* Make sure the full string "(nil)" is printed. */ \
922 if (prec < 5) \
923 prec = 5; \
924 is_long = 0; /* This is no wide-char string. */ \
925 goto LABEL (print_string); \
926 } \
927 } \
928 /* NOTREACHED */ \
929 \
930 LABEL (form_number): \
931 /* Answer the count of characters written. */ \
932 if (fspec == NULL) \
933 { \
934 if (is_longlong) \
935 *(long long int *) va_arg (ap, void *) = done; \
936 else if (is_long_num) \
937 *(long int *) va_arg (ap, void *) = done; \
938 else if (is_char) \
939 *(char *) va_arg (ap, void *) = done; \
940 else if (!is_short) \
941 *(int *) va_arg (ap, void *) = done; \
942 else \
943 *(short int *) va_arg (ap, void *) = done; \
944 } \
945 else \
946 if (is_longlong) \
947 *(long long int *) args_value[fspec->data_arg].pa_pointer = done; \
948 else if (is_long_num) \
949 *(long int *) args_value[fspec->data_arg].pa_pointer = done; \
950 else if (is_char) \
951 *(char *) args_value[fspec->data_arg].pa_pointer = done; \
952 else if (!is_short) \
953 *(int *) args_value[fspec->data_arg].pa_pointer = done; \
954 else \
955 *(short int *) args_value[fspec->data_arg].pa_pointer = done; \
956 break; \
957 \
958 LABEL (form_strerror): \
959 /* Print description of error ERRNO. */ \
960 string = \
961 (CHAR_T *) __strerror_r (save_errno, (char *) work_buffer, \
962 sizeof work_buffer); \
963 is_long = 0; /* This is no wide-char string. */ \
964 goto LABEL (print_string)
965
966 #ifdef COMPILE_WPRINTF
967 # define process_string_arg(fspec) \
968 LABEL (form_character): \
969 /* Character. */ \
970 if (is_long) \
971 goto LABEL (form_wcharacter); \
972 --width; /* Account for the character itself. */ \
973 if (!left) \
974 PAD (L' '); \
975 if (fspec == NULL) \
976 outchar (__btowc ((unsigned char) va_arg (ap, int))); /* Promoted. */ \
977 else \
978 outchar (__btowc ((unsigned char) \
979 args_value[fspec->data_arg].pa_int)); \
980 if (left) \
981 PAD (L' '); \
982 break; \
983 \
984 LABEL (form_wcharacter): \
985 { \
986 /* Wide character. */ \
987 --width; \
988 if (!left) \
989 PAD (L' '); \
990 if (fspec == NULL) \
991 outchar (va_arg (ap, wchar_t)); \
992 else \
993 outchar (args_value[fspec->data_arg].pa_wchar); \
994 if (left) \
995 PAD (L' '); \
996 } \
997 break; \
998 \
999 LABEL (form_string): \
1000 { \
1001 size_t len; \
1002 int string_malloced; \
1003 \
1004 /* The string argument could in fact be `char *' or `wchar_t *'. \
1005 But this should not make a difference here. */ \
1006 if (fspec == NULL) \
1007 string = (CHAR_T *) va_arg (ap, const wchar_t *); \
1008 else \
1009 string = (CHAR_T *) args_value[fspec->data_arg].pa_wstring; \
1010 \
1011 /* Entry point for printing other strings. */ \
1012 LABEL (print_string): \
1013 \
1014 string_malloced = 0; \
1015 if (string == NULL) \
1016 { \
1017 /* Write "(null)" if there's space. */ \
1018 if (prec == -1 \
1019 || prec >= (int) (sizeof (null) / sizeof (null[0])) - 1) \
1020 { \
1021 string = (CHAR_T *) null; \
1022 len = (sizeof (null) / sizeof (null[0])) - 1; \
1023 } \
1024 else \
1025 { \
1026 string = (CHAR_T *) L""; \
1027 len = 0; \
1028 } \
1029 } \
1030 else if (!is_long && spec != L_('S')) \
1031 { \
1032 /* This is complicated. We have to transform the multibyte \
1033 string into a wide character string. */ \
1034 const char *mbs = (const char *) string; \
1035 mbstate_t mbstate; \
1036 \
1037 len = prec != -1 ? (size_t) prec : strlen (mbs); \
1038 \
1039 /* Allocate dynamically an array which definitely is long \
1040 enough for the wide character version. */ \
1041 if (__libc_use_alloca (len * sizeof (wchar_t))) \
1042 string = (CHAR_T *) alloca (len * sizeof (wchar_t)); \
1043 else if ((string = (CHAR_T *) malloc (len * sizeof (wchar_t))) \
1044 == NULL) \
1045 { \
1046 done = -1; \
1047 goto all_done; \
1048 } \
1049 else \
1050 string_malloced = 1; \
1051 \
1052 memset (&mbstate, '\0', sizeof (mbstate_t)); \
1053 len = __mbsrtowcs (string, &mbs, len, &mbstate); \
1054 if (len == (size_t) -1) \
1055 { \
1056 /* Illegal multibyte character. */ \
1057 done = -1; \
1058 goto all_done; \
1059 } \
1060 } \
1061 else \
1062 { \
1063 if (prec != -1) \
1064 /* Search for the end of the string, but don't search past \
1065 the length specified by the precision. */ \
1066 len = __wcsnlen (string, prec); \
1067 else \
1068 len = __wcslen (string); \
1069 } \
1070 \
1071 if ((width -= len) < 0) \
1072 { \
1073 outstring (string, len); \
1074 break; \
1075 } \
1076 \
1077 if (!left) \
1078 PAD (L' '); \
1079 outstring (string, len); \
1080 if (left) \
1081 PAD (L' '); \
1082 if (__builtin_expect (string_malloced, 0)) \
1083 free (string); \
1084 } \
1085 break;
1086 #else
1087 # define process_string_arg(fspec) \
1088 LABEL (form_character): \
1089 /* Character. */ \
1090 if (is_long) \
1091 goto LABEL (form_wcharacter); \
1092 --width; /* Account for the character itself. */ \
1093 if (!left) \
1094 PAD (' '); \
1095 if (fspec == NULL) \
1096 outchar ((unsigned char) va_arg (ap, int)); /* Promoted. */ \
1097 else \
1098 outchar ((unsigned char) args_value[fspec->data_arg].pa_int); \
1099 if (left) \
1100 PAD (' '); \
1101 break; \
1102 \
1103 LABEL (form_wcharacter): \
1104 { \
1105 /* Wide character. */ \
1106 char buf[MB_CUR_MAX]; \
1107 mbstate_t mbstate; \
1108 size_t len; \
1109 \
1110 memset (&mbstate, '\0', sizeof (mbstate_t)); \
1111 len = __wcrtomb (buf, (fspec == NULL ? va_arg (ap, wchar_t) \
1112 : args_value[fspec->data_arg].pa_wchar), \
1113 &mbstate); \
1114 if (len == (size_t) -1) \
1115 { \
1116 /* Something went wron gduring the conversion. Bail out. */ \
1117 done = -1; \
1118 goto all_done; \
1119 } \
1120 width -= len; \
1121 if (!left) \
1122 PAD (' '); \
1123 outstring (buf, len); \
1124 if (left) \
1125 PAD (' '); \
1126 } \
1127 break; \
1128 \
1129 LABEL (form_string): \
1130 { \
1131 size_t len; \
1132 int string_malloced; \
1133 \
1134 /* The string argument could in fact be `char *' or `wchar_t *'. \
1135 But this should not make a difference here. */ \
1136 if (fspec == NULL) \
1137 string = (char *) va_arg (ap, const char *); \
1138 else \
1139 string = (char *) args_value[fspec->data_arg].pa_string; \
1140 \
1141 /* Entry point for printing other strings. */ \
1142 LABEL (print_string): \
1143 \
1144 string_malloced = 0; \
1145 if (string == NULL) \
1146 { \
1147 /* Write "(null)" if there's space. */ \
1148 if (prec == -1 || prec >= (int) sizeof (null) - 1) \
1149 { \
1150 string = (char *) null; \
1151 len = sizeof (null) - 1; \
1152 } \
1153 else \
1154 { \
1155 string = (char *) ""; \
1156 len = 0; \
1157 } \
1158 } \
1159 else if (!is_long && spec != L_('S')) \
1160 { \
1161 if (prec != -1) \
1162 { \
1163 /* Search for the end of the string, but don't search past \
1164 the length (in bytes) specified by the precision. Also \
1165 don't use incomplete characters. */ \
1166 if (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX) == 1) \
1167 len = __strnlen (string, prec); \
1168 else \
1169 { \
1170 /* In case we have a multibyte character set the \
1171 situation is more compilcated. We must not copy \
1172 bytes at the end which form an incomplete character. */\
1173 wchar_t ignore[prec]; \
1174 const char *str2 = string; \
1175 mbstate_t ps; \
1176 \
1177 memset (&ps, '\0', sizeof (ps)); \
1178 if (__mbsnrtowcs (ignore, &str2, prec, prec, &ps) \
1179 == (size_t) -1) \
1180 { \
1181 done = -1; \
1182 goto all_done; \
1183 } \
1184 if (str2 == NULL) \
1185 len = strlen (string); \
1186 else \
1187 len = str2 - string - (ps.__count & 7); \
1188 } \
1189 } \
1190 else \
1191 len = strlen (string); \
1192 } \
1193 else \
1194 { \
1195 const wchar_t *s2 = (const wchar_t *) string; \
1196 mbstate_t mbstate; \
1197 \
1198 memset (&mbstate, '\0', sizeof (mbstate_t)); \
1199 \
1200 if (prec >= 0) \
1201 { \
1202 /* The string `s2' might not be NUL terminated. */ \
1203 if (__libc_use_alloca (prec)) \
1204 string = (char *) alloca (prec); \
1205 else if ((string = (char *) malloc (prec)) == NULL) \
1206 { \
1207 done = -1; \
1208 goto all_done; \
1209 } \
1210 else \
1211 string_malloced = 1; \
1212 len = __wcsrtombs (string, &s2, prec, &mbstate); \
1213 } \
1214 else \
1215 { \
1216 len = __wcsrtombs (NULL, &s2, 0, &mbstate); \
1217 if (len != (size_t) -1) \
1218 { \
1219 assert (__mbsinit (&mbstate)); \
1220 s2 = (const wchar_t *) string; \
1221 if (__libc_use_alloca (len + 1)) \
1222 string = (char *) alloca (len + 1); \
1223 else if ((string = (char *) malloc (len + 1)) == NULL) \
1224 { \
1225 done = -1; \
1226 goto all_done; \
1227 } \
1228 else \
1229 string_malloced = 1; \
1230 (void) __wcsrtombs (string, &s2, len + 1, &mbstate); \
1231 } \
1232 } \
1233 \
1234 if (len == (size_t) -1) \
1235 { \
1236 /* Illegal wide-character string. */ \
1237 done = -1; \
1238 goto all_done; \
1239 } \
1240 } \
1241 \
1242 if ((width -= len) < 0) \
1243 { \
1244 outstring (string, len); \
1245 break; \
1246 } \
1247 \
1248 if (!left) \
1249 PAD (' '); \
1250 outstring (string, len); \
1251 if (left) \
1252 PAD (' '); \
1253 if (__builtin_expect (string_malloced, 0)) \
1254 free (string); \
1255 } \
1256 break;
1257 #endif
1258
1259 /* Orient the stream. */
1260 #ifdef ORIENT
1261 ORIENT;
1262 #endif
1263
1264 /* Sanity check of arguments. */
1265 ARGCHECK (s, format);
1266
1267 #ifdef ORIENT
1268 /* Check for correct orientation. */
1269 if (
1270 # ifdef USE_IN_LIBIO
1271 _IO_vtable_offset (s) == 0 &&
1272 # endif
1273 _IO_fwide (s, sizeof (CHAR_T) == 1 ? -1 : 1)
1274 != (sizeof (CHAR_T) == 1 ? -1 : 1))
1275 /* The stream is already oriented otherwise. */
1276 return EOF;
1277 #endif
1278
1279 if (UNBUFFERED_P (s))
1280 /* Use a helper function which will allocate a local temporary buffer
1281 for the stream and then call us again. */
1282 return buffered_vfprintf (s, format, ap);
1283
1284 /* Initialize local variables. */
1285 done = 0;
1286 grouping = (const char *) -1;
1287 #ifdef __va_copy
1288 /* This macro will be available soon in gcc's <stdarg.h>. We need it
1289 since on some systems `va_list' is not an integral type. */
1290 __va_copy (ap_save, ap);
1291 #else
1292 ap_save = ap;
1293 #endif
1294 nspecs_done = 0;
1295
1296 #ifdef COMPILE_WPRINTF
1297 /* Find the first format specifier. */
1298 f = lead_str_end = __find_specwc ((const UCHAR_T *) format);
1299 #else
1300 /* Put state for processing format string in initial state. */
1301 memset (&mbstate, '\0', sizeof (mbstate_t));
1302
1303 /* Find the first format specifier. */
1304 f = lead_str_end = __find_specmb (format, &mbstate);
1305 #endif
1306
1307 /* Lock stream. */
1308 #ifdef USE_IN_LIBIO
1309 _IO_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, s);
1310 _IO_flockfile (s);
1311 #else
1312 __libc_cleanup_region_start (1, (void (*) (void *)) &__funlockfile, s);
1313 __flockfile (s);
1314 #endif
1315
1316 /* Write the literal text before the first format. */
1317 outstring ((const UCHAR_T *) format,
1318 lead_str_end - (const UCHAR_T *) format);
1319
1320 /* If we only have to print a simple string, return now. */
1321 if (*f == L_('\0'))
1322 goto all_done;
1323
1324 /* Process whole format string. */
1325 do
1326 {
1327 #if defined HAVE_SUBTRACT_LOCAL_LABELS && defined SHARED
1328 # define REF(Name) &&do_##Name - &&do_form_unknown
1329 #else
1330 # define REF(Name) &&do_##Name
1331 #endif
1332 #define LABEL(Name) do_##Name
1333 STEP0_3_TABLE;
1334 STEP4_TABLE;
1335
1336 union printf_arg *args_value; /* This is not used here but ... */
1337 int is_negative; /* Flag for negative number. */
1338 union
1339 {
1340 unsigned long long int longlong;
1341 unsigned long int word;
1342 } number;
1343 int base;
1344 union printf_arg the_arg;
1345 CHAR_T *string; /* Pointer to argument string. */
1346 int alt = 0; /* Alternate format. */
1347 int space = 0; /* Use space prefix if no sign is needed. */
1348 int left = 0; /* Left-justify output. */
1349 int showsign = 0; /* Always begin with plus or minus sign. */
1350 int group = 0; /* Print numbers according grouping rules. */
1351 int is_long_double = 0; /* Argument is long double/ long long int. */
1352 int is_short = 0; /* Argument is short int. */
1353 int is_long = 0; /* Argument is long int. */
1354 int is_char = 0; /* Argument is promoted (unsigned) char. */
1355 int width = 0; /* Width of output; 0 means none specified. */
1356 int prec = -1; /* Precision of output; -1 means none specified. */
1357 /* This flag is set by the 'I' modifier and selects the use of the
1358 `outdigits' as determined by the current locale. */
1359 int use_outdigits = 0;
1360 UCHAR_T pad = L_(' ');/* Padding character. */
1361 CHAR_T spec;
1362
1363 workstart = NULL;
1364 workend = &work_buffer[sizeof (work_buffer) / sizeof (CHAR_T)];
1365
1366 /* Get current character in format string. */
1367 JUMP (*++f, step0_jumps);
1368
1369 /* ' ' flag. */
1370 LABEL (flag_space):
1371 space = 1;
1372 JUMP (*++f, step0_jumps);
1373
1374 /* '+' flag. */
1375 LABEL (flag_plus):
1376 showsign = 1;
1377 JUMP (*++f, step0_jumps);
1378
1379 /* The '-' flag. */
1380 LABEL (flag_minus):
1381 left = 1;
1382 pad = L_(' ');
1383 JUMP (*++f, step0_jumps);
1384
1385 /* The '#' flag. */
1386 LABEL (flag_hash):
1387 alt = 1;
1388 JUMP (*++f, step0_jumps);
1389
1390 /* The '0' flag. */
1391 LABEL (flag_zero):
1392 if (!left)
1393 pad = L_('0');
1394 JUMP (*++f, step0_jumps);
1395
1396 /* The '\'' flag. */
1397 LABEL (flag_quote):
1398 group = 1;
1399
1400 if (grouping == (const char *) -1)
1401 {
1402 #ifdef COMPILE_WPRINTF
1403 thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC,
1404 _NL_NUMERIC_THOUSANDS_SEP_WC);
1405 #else
1406 thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
1407 #endif
1408
1409 grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
1410 if (*grouping == '\0' || *grouping == CHAR_MAX
1411 #ifdef COMPILE_WPRINTF
1412 || thousands_sep == L'\0'
1413 #else
1414 || *thousands_sep == '\0'
1415 #endif
1416 )
1417 grouping = NULL;
1418 }
1419 JUMP (*++f, step0_jumps);
1420
1421 LABEL (flag_i18n):
1422 use_outdigits = 1;
1423 JUMP (*++f, step0_jumps);
1424
1425 /* Get width from argument. */
1426 LABEL (width_asterics):
1427 {
1428 const UCHAR_T *tmp; /* Temporary value. */
1429
1430 tmp = ++f;
1431 if (ISDIGIT (*tmp) && read_int (&tmp) && *tmp == L_('$'))
1432 /* The width comes from a positional parameter. */
1433 goto do_positional;
1434
1435 width = va_arg (ap, int);
1436
1437 /* Negative width means left justified. */
1438 if (width < 0)
1439 {
1440 width = -width;
1441 pad = L_(' ');
1442 left = 1;
1443 }
1444
1445 if (width + 32 >= (int) (sizeof (work_buffer)
1446 / sizeof (work_buffer[0])))
1447 {
1448 /* We have to use a special buffer. The "32" is just a safe
1449 bet for all the output which is not counted in the width. */
1450 if (__libc_use_alloca ((width + 32) * sizeof (CHAR_T)))
1451 workend = ((CHAR_T *) alloca ((width + 32) * sizeof (CHAR_T))
1452 + (width + 32));
1453 else
1454 {
1455 workstart = (CHAR_T *) malloc ((width + 32) * sizeof (CHAR_T));
1456 if (workstart == NULL)
1457 {
1458 done = -1;
1459 goto all_done;
1460 }
1461 workend = workstart + (width + 32);
1462 }
1463 }
1464 }
1465 JUMP (*f, step1_jumps);
1466
1467 /* Given width in format string. */
1468 LABEL (width):
1469 width = read_int (&f);
1470
1471 if (width + 32 >= (int) (sizeof (work_buffer) / sizeof (work_buffer[0])))
1472 {
1473 /* We have to use a special buffer. The "32" is just a safe
1474 bet for all the output which is not counted in the width. */
1475 if (__libc_use_alloca ((width + 32) * sizeof (CHAR_T)))
1476 workend = ((CHAR_T *) alloca ((width + 32) * sizeof (CHAR_T))
1477 + (width + 32));
1478 else
1479 {
1480 workstart = (CHAR_T *) malloc ((width + 32) * sizeof (CHAR_T));
1481 if (workstart == NULL)
1482 {
1483 done = -1;
1484 goto all_done;
1485 }
1486 workend = workstart + (width + 32);
1487 }
1488 }
1489 if (*f == L_('$'))
1490 /* Oh, oh. The argument comes from a positional parameter. */
1491 goto do_positional;
1492 JUMP (*f, step1_jumps);
1493
1494 LABEL (precision):
1495 ++f;
1496 if (*f == L_('*'))
1497 {
1498 const UCHAR_T *tmp; /* Temporary value. */
1499
1500 tmp = ++f;
1501 if (ISDIGIT (*tmp) && read_int (&tmp) > 0 && *tmp == L_('$'))
1502 /* The precision comes from a positional parameter. */
1503 goto do_positional;
1504
1505 prec = va_arg (ap, int);
1506
1507 /* If the precision is negative the precision is omitted. */
1508 if (prec < 0)
1509 prec = -1;
1510 }
1511 else if (ISDIGIT (*f))
1512 prec = read_int (&f);
1513 else
1514 prec = 0;
1515 if (prec > width
1516 && prec + 32 > (int)(sizeof (work_buffer) / sizeof (work_buffer[0])))
1517 {
1518 if (__libc_use_alloca ((prec + 32) * sizeof (CHAR_T)))
1519 workend = ((CHAR_T *) alloca ((prec + 32) * sizeof (CHAR_T)))
1520 + (prec + 32);
1521 else
1522 {
1523 workstart = (CHAR_T *) malloc ((prec + 32) * sizeof (CHAR_T));
1524 if (workstart == NULL)
1525 {
1526 done = -1;
1527 goto all_done;
1528 }
1529 workend = workstart + (prec + 32);
1530 }
1531 }
1532 JUMP (*f, step2_jumps);
1533
1534 /* Process 'h' modifier. There might another 'h' following. */
1535 LABEL (mod_half):
1536 is_short = 1;
1537 JUMP (*++f, step3a_jumps);
1538
1539 /* Process 'hh' modifier. */
1540 LABEL (mod_halfhalf):
1541 is_short = 0;
1542 is_char = 1;
1543 JUMP (*++f, step4_jumps);
1544
1545 /* Process 'l' modifier. There might another 'l' following. */
1546 LABEL (mod_long):
1547 is_long = 1;
1548 JUMP (*++f, step3b_jumps);
1549
1550 /* Process 'L', 'q', or 'll' modifier. No other modifier is
1551 allowed to follow. */
1552 LABEL (mod_longlong):
1553 is_long_double = 1;
1554 is_long = 1;
1555 JUMP (*++f, step4_jumps);
1556
1557 LABEL (mod_size_t):
1558 is_long_double = sizeof (size_t) > sizeof (unsigned long int);
1559 is_long = sizeof (size_t) > sizeof (unsigned int);
1560 JUMP (*++f, step4_jumps);
1561
1562 LABEL (mod_ptrdiff_t):
1563 is_long_double = sizeof (ptrdiff_t) > sizeof (unsigned long int);
1564 is_long = sizeof (ptrdiff_t) > sizeof (unsigned int);
1565 JUMP (*++f, step4_jumps);
1566
1567 LABEL (mod_intmax_t):
1568 is_long_double = sizeof (intmax_t) > sizeof (unsigned long int);
1569 is_long = sizeof (intmax_t) > sizeof (unsigned int);
1570 JUMP (*++f, step4_jumps);
1571
1572 /* Process current format. */
1573 while (1)
1574 {
1575 process_arg (((struct printf_spec *) NULL));
1576 process_string_arg (((struct printf_spec *) NULL));
1577
1578 LABEL (form_unknown):
1579 if (spec == L_('\0'))
1580 {
1581 /* The format string ended before the specifier is complete. */
1582 done = -1;
1583 goto all_done;
1584 }
1585
1586 /* If we are in the fast loop force entering the complicated
1587 one. */
1588 goto do_positional;
1589 }
1590
1591 /* The format is correctly handled. */
1592 ++nspecs_done;
1593
1594 if (__builtin_expect (workstart != NULL, 0))
1595 free (workstart);
1596 workstart = NULL;
1597
1598 /* Look for next format specifier. */
1599 #ifdef COMPILE_WPRINTF
1600 f = __find_specwc ((end_of_spec = ++f));
1601 #else
1602 f = __find_specmb ((end_of_spec = ++f), &mbstate);
1603 #endif
1604
1605 /* Write the following constant string. */
1606 outstring (end_of_spec, f - end_of_spec);
1607 }
1608 while (*f != L_('\0'));
1609
1610 /* Unlock stream and return. */
1611 goto all_done;
1612
1613 /* Here starts the more complex loop to handle positional parameters. */
1614 do_positional:
1615 {
1616 /* Array with information about the needed arguments. This has to
1617 be dynamically extensible. */
1618 size_t nspecs = 0;
1619 size_t nspecs_max = 32; /* A more or less arbitrary start value. */
1620 struct printf_spec *specs
1621 = alloca (nspecs_max * sizeof (struct printf_spec));
1622
1623 /* The number of arguments the format string requests. This will
1624 determine the size of the array needed to store the argument
1625 attributes. */
1626 size_t nargs = 0;
1627 int *args_type;
1628 union printf_arg *args_value = NULL;
1629
1630 /* Positional parameters refer to arguments directly. This could
1631 also determine the maximum number of arguments. Track the
1632 maximum number. */
1633 size_t max_ref_arg = 0;
1634
1635 /* Just a counter. */
1636 size_t cnt;
1637
1638
1639 if (grouping == (const char *) -1)
1640 {
1641 #ifdef COMPILE_WPRINTF
1642 thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC,
1643 _NL_NUMERIC_THOUSANDS_SEP_WC);
1644 #else
1645 thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
1646 #endif
1647
1648 grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
1649 if (*grouping == '\0' || *grouping == CHAR_MAX)
1650 grouping = NULL;
1651 }
1652
1653 for (f = lead_str_end; *f != L_('\0'); f = specs[nspecs++].next_fmt)
1654 {
1655 if (nspecs >= nspecs_max)
1656 {
1657 /* Extend the array of format specifiers. */
1658 struct printf_spec *old = specs;
1659
1660 nspecs_max *= 2;
1661 specs = alloca (nspecs_max * sizeof (struct printf_spec));
1662
1663 if (specs == &old[nspecs])
1664 /* Stack grows up, OLD was the last thing allocated;
1665 extend it. */
1666 nspecs_max += nspecs_max / 2;
1667 else
1668 {
1669 /* Copy the old array's elements to the new space. */
1670 memcpy (specs, old, nspecs * sizeof (struct printf_spec));
1671 if (old == &specs[nspecs])
1672 /* Stack grows down, OLD was just below the new
1673 SPECS. We can use that space when the new space
1674 runs out. */
1675 nspecs_max += nspecs_max / 2;
1676 }
1677 }
1678
1679 /* Parse the format specifier. */
1680 #ifdef COMPILE_WPRINTF
1681 nargs += __parse_one_specwc (f, nargs, &specs[nspecs], &max_ref_arg);
1682 #else
1683 nargs += __parse_one_specmb (f, nargs, &specs[nspecs], &max_ref_arg,
1684 &mbstate);
1685 #endif
1686 }
1687
1688 /* Determine the number of arguments the format string consumes. */
1689 nargs = MAX (nargs, max_ref_arg);
1690
1691 /* Allocate memory for the argument descriptions. */
1692 args_type = alloca (nargs * sizeof (int));
1693 memset (args_type, 0, nargs * sizeof (int));
1694 args_value = alloca (nargs * sizeof (union printf_arg));
1695
1696 /* XXX Could do sanity check here: If any element in ARGS_TYPE is
1697 still zero after this loop, format is invalid. For now we
1698 simply use 0 as the value. */
1699
1700 /* Fill in the types of all the arguments. */
1701 for (cnt = 0; cnt < nspecs; ++cnt)
1702 {
1703 /* If the width is determined by an argument this is an int. */
1704 if (specs[cnt].width_arg != -1)
1705 args_type[specs[cnt].width_arg] = PA_INT;
1706
1707 /* If the precision is determined by an argument this is an int. */
1708 if (specs[cnt].prec_arg != -1)
1709 args_type[specs[cnt].prec_arg] = PA_INT;
1710
1711 switch (specs[cnt].ndata_args)
1712 {
1713 case 0: /* No arguments. */
1714 break;
1715 case 1: /* One argument; we already have the type. */
1716 args_type[specs[cnt].data_arg] = specs[cnt].data_arg_type;
1717 break;
1718 default:
1719 /* We have more than one argument for this format spec.
1720 We must call the arginfo function again to determine
1721 all the types. */
1722 (void) (*__printf_arginfo_table[specs[cnt].info.spec])
1723 (&specs[cnt].info,
1724 specs[cnt].ndata_args, &args_type[specs[cnt].data_arg]);
1725 break;
1726 }
1727 }
1728
1729 /* Now we know all the types and the order. Fill in the argument
1730 values. */
1731 for (cnt = 0; cnt < nargs; ++cnt)
1732 switch (args_type[cnt])
1733 {
1734 #define T(tag, mem, type) \
1735 case tag: \
1736 args_value[cnt].mem = va_arg (ap_save, type); \
1737 break
1738
1739 T (PA_CHAR, pa_int, int); /* Promoted. */
1740 T (PA_WCHAR, pa_wchar, wint_t);
1741 T (PA_INT|PA_FLAG_SHORT, pa_int, int); /* Promoted. */
1742 T (PA_INT, pa_int, int);
1743 T (PA_INT|PA_FLAG_LONG, pa_long_int, long int);
1744 T (PA_INT|PA_FLAG_LONG_LONG, pa_long_long_int, long long int);
1745 T (PA_FLOAT, pa_double, double); /* Promoted. */
1746 T (PA_DOUBLE, pa_double, double);
1747 T (PA_DOUBLE|PA_FLAG_LONG_DOUBLE, pa_long_double, long double);
1748 T (PA_STRING, pa_string, const char *);
1749 T (PA_WSTRING, pa_wstring, const wchar_t *);
1750 T (PA_POINTER, pa_pointer, void *);
1751 #undef T
1752 default:
1753 if ((args_type[cnt] & PA_FLAG_PTR) != 0)
1754 args_value[cnt].pa_pointer = va_arg (ap_save, void *);
1755 else
1756 args_value[cnt].pa_long_double = 0.0;
1757 break;
1758 }
1759
1760 /* Now walk through all format specifiers and process them. */
1761 for (; (size_t) nspecs_done < nspecs; ++nspecs_done)
1762 {
1763 #undef REF
1764 #if defined HAVE_SUBTRACT_LOCAL_LABELS && defined SHARED
1765 # define REF(Name) &&do2_##Name - &&do_form_unknown
1766 #else
1767 # define REF(Name) &&do2_##Name
1768 #endif
1769 #undef LABEL
1770 #define LABEL(Name) do2_##Name
1771 STEP4_TABLE;
1772
1773 int is_negative;
1774 union
1775 {
1776 unsigned long long int longlong;
1777 unsigned long int word;
1778 } number;
1779 int base;
1780 union printf_arg the_arg;
1781 CHAR_T *string; /* Pointer to argument string. */
1782
1783 /* Fill variables from values in struct. */
1784 int alt = specs[nspecs_done].info.alt;
1785 int space = specs[nspecs_done].info.space;
1786 int left = specs[nspecs_done].info.left;
1787 int showsign = specs[nspecs_done].info.showsign;
1788 int group = specs[nspecs_done].info.group;
1789 int is_long_double = specs[nspecs_done].info.is_long_double;
1790 int is_short = specs[nspecs_done].info.is_short;
1791 int is_char = specs[nspecs_done].info.is_char;
1792 int is_long = specs[nspecs_done].info.is_long;
1793 int width = specs[nspecs_done].info.width;
1794 int prec = specs[nspecs_done].info.prec;
1795 int use_outdigits = specs[nspecs_done].info.i18n;
1796 char pad = specs[nspecs_done].info.pad;
1797 CHAR_T spec = specs[nspecs_done].info.spec;
1798 CHAR_T *workstart = NULL;
1799
1800 /* Fill in last information. */
1801 if (specs[nspecs_done].width_arg != -1)
1802 {
1803 /* Extract the field width from an argument. */
1804 specs[nspecs_done].info.width =
1805 args_value[specs[nspecs_done].width_arg].pa_int;
1806
1807 if (specs[nspecs_done].info.width < 0)
1808 /* If the width value is negative left justification is
1809 selected and the value is taken as being positive. */
1810 {
1811 specs[nspecs_done].info.width *= -1;
1812 left = specs[nspecs_done].info.left = 1;
1813 }
1814 width = specs[nspecs_done].info.width;
1815 }
1816
1817 if (specs[nspecs_done].prec_arg != -1)
1818 {
1819 /* Extract the precision from an argument. */
1820 specs[nspecs_done].info.prec =
1821 args_value[specs[nspecs_done].prec_arg].pa_int;
1822
1823 if (specs[nspecs_done].info.prec < 0)
1824 /* If the precision is negative the precision is
1825 omitted. */
1826 specs[nspecs_done].info.prec = -1;
1827
1828 prec = specs[nspecs_done].info.prec;
1829 }
1830
1831 /* Maybe the buffer is too small. */
1832 if (MAX (prec, width) + 32 > (int) (sizeof (work_buffer)
1833 / sizeof (CHAR_T)))
1834 {
1835 if (__libc_use_alloca ((MAX (prec, width) + 32)
1836 * sizeof (CHAR_T)))
1837 workend = ((CHAR_T *) alloca ((MAX (prec, width) + 32)
1838 * sizeof (CHAR_T))
1839 + (MAX (prec, width) + 32));
1840 else
1841 {
1842 workstart = (CHAR_T *) malloc ((MAX (prec, width) + 32)
1843 * sizeof (CHAR_T));
1844 workend = workstart + (MAX (prec, width) + 32);
1845 }
1846 }
1847
1848 /* Process format specifiers. */
1849 while (1)
1850 {
1851 JUMP (spec, step4_jumps);
1852
1853 process_arg ((&specs[nspecs_done]));
1854 process_string_arg ((&specs[nspecs_done]));
1855
1856 LABEL (form_unknown):
1857 {
1858 extern printf_function **__printf_function_table;
1859 int function_done;
1860 printf_function *function;
1861 unsigned int i;
1862 const void **ptr;
1863
1864 function =
1865 (__printf_function_table == NULL ? NULL :
1866 __printf_function_table[specs[nspecs_done].info.spec]);
1867
1868 if (function == NULL)
1869 function = &printf_unknown;
1870
1871 ptr = alloca (specs[nspecs_done].ndata_args
1872 * sizeof (const void *));
1873
1874 /* Fill in an array of pointers to the argument values. */
1875 for (i = 0; i < specs[nspecs_done].ndata_args; ++i)
1876 ptr[i] = &args_value[specs[nspecs_done].data_arg + i];
1877
1878 /* Call the function. */
1879 function_done = (*function) (s, &specs[nspecs_done].info, ptr);
1880
1881 /* If an error occurred we don't have information about #
1882 of chars. */
1883 if (function_done < 0)
1884 {
1885 done = -1;
1886 goto all_done;
1887 }
1888
1889 done += function_done;
1890 }
1891 break;
1892 }
1893
1894 if (__builtin_expect (workstart != NULL, 0))
1895 free (workstart);
1896 workstart = NULL;
1897
1898 /* Write the following constant string. */
1899 outstring (specs[nspecs_done].end_of_fmt,
1900 specs[nspecs_done].next_fmt
1901 - specs[nspecs_done].end_of_fmt);
1902 }
1903 }
1904
1905 all_done:
1906 if (__builtin_expect (workstart != NULL, 0))
1907 free (workstart);
1908 /* Unlock the stream. */
1909 #ifdef USE_IN_LIBIO
1910 _IO_funlockfile (s);
1911 _IO_cleanup_region_end (0);
1912 #else
1913 __funlockfile (s);
1914 __libc_cleanup_region_end (0);
1915 #endif
1916
1917 return done;
1918 }
1919 \f
1920 /* Handle an unknown format specifier. This prints out a canonicalized
1921 representation of the format spec itself. */
1922 static int
1923 printf_unknown (FILE *s, const struct printf_info *info,
1924 const void *const *args)
1925
1926 {
1927 int done = 0;
1928 CHAR_T work_buffer[MAX (info->width, info->spec) + 32];
1929 CHAR_T *const workend
1930 = &work_buffer[sizeof (work_buffer) / sizeof (CHAR_T)];
1931 register CHAR_T *w;
1932
1933 outchar (L_('%'));
1934
1935 if (info->alt)
1936 outchar (L_('#'));
1937 if (info->group)
1938 outchar (L_('\''));
1939 if (info->showsign)
1940 outchar (L_('+'));
1941 else if (info->space)
1942 outchar (L_(' '));
1943 if (info->left)
1944 outchar (L_('-'));
1945 if (info->pad == L_('0'))
1946 outchar (L_('0'));
1947 if (info->i18n)
1948 outchar (L_('I'));
1949
1950 if (info->width != 0)
1951 {
1952 w = _itoa_word (info->width, workend, 10, 0);
1953 while (w < workend)
1954 outchar (*w++);
1955 }
1956
1957 if (info->prec != -1)
1958 {
1959 outchar (L_('.'));
1960 w = _itoa_word (info->prec, workend, 10, 0);
1961 while (w < workend)
1962 outchar (*w++);
1963 }
1964
1965 if (info->spec != L_('\0'))
1966 outchar (info->spec);
1967
1968 all_done:
1969 return done;
1970 }
1971 \f
1972 /* Group the digits according to the grouping rules of the current locale.
1973 The interpretation of GROUPING is as in `struct lconv' from <locale.h>. */
1974 static CHAR_T *
1975 internal_function
1976 group_number (CHAR_T *w, CHAR_T *rear_ptr, const char *grouping,
1977 #ifdef COMPILE_WPRINTF
1978 wchar_t thousands_sep
1979 #else
1980 const char *thousands_sep
1981 #endif
1982 )
1983 {
1984 int len;
1985 CHAR_T *src, *s;
1986 #ifndef COMPILE_WPRINTF
1987 int tlen = strlen (thousands_sep);
1988 #endif
1989
1990 /* We treat all negative values like CHAR_MAX. */
1991
1992 if (*grouping == CHAR_MAX || *grouping <= 0)
1993 /* No grouping should be done. */
1994 return w;
1995
1996 len = *grouping++;
1997
1998 /* Copy existing string so that nothing gets overwritten. */
1999 src = (CHAR_T *) alloca ((rear_ptr - w) * sizeof (CHAR_T));
2000 s = (CHAR_T *) __mempcpy (src, w,
2001 (rear_ptr - w) * sizeof (CHAR_T));
2002 w = rear_ptr;
2003
2004 /* Process all characters in the string. */
2005 while (s > src)
2006 {
2007 *--w = *--s;
2008
2009 if (--len == 0 && s > src)
2010 {
2011 /* A new group begins. */
2012 #ifdef COMPILE_WPRINTF
2013 *--w = thousands_sep;
2014 #else
2015 int cnt = tlen;
2016 do
2017 *--w = thousands_sep[--cnt];
2018 while (cnt > 0);
2019 #endif
2020
2021 if (*grouping == CHAR_MAX
2022 #if CHAR_MIN < 0
2023 || *grouping < 0
2024 #endif
2025 )
2026 {
2027 /* No further grouping to be done.
2028 Copy the rest of the number. */
2029 do
2030 *--w = *--s;
2031 while (s > src);
2032 break;
2033 }
2034 else if (*grouping != '\0')
2035 /* The previous grouping repeats ad infinitum. */
2036 len = *grouping++;
2037 else
2038 len = grouping[-1];
2039 }
2040 }
2041 return w;
2042 }
2043 \f
2044 #ifdef USE_IN_LIBIO
2045 /* Helper "class" for `fprintf to unbuffered': creates a temporary buffer. */
2046 struct helper_file
2047 {
2048 struct _IO_FILE_plus _f;
2049 #ifdef COMPILE_WPRINTF
2050 struct _IO_wide_data _wide_data;
2051 #endif
2052 _IO_FILE *_put_stream;
2053 #ifdef _IO_MTSAFE_IO
2054 _IO_lock_t lock;
2055 #endif
2056 };
2057
2058 static int
2059 _IO_helper_overflow (_IO_FILE *s, int c)
2060 {
2061 _IO_FILE *target = ((struct helper_file*) s)->_put_stream;
2062 #ifdef COMPILE_WPRINTF
2063 int used = s->_wide_data->_IO_write_ptr - s->_wide_data->_IO_write_base;
2064 if (used)
2065 {
2066 _IO_size_t written = _IO_sputn (target, s->_wide_data->_IO_write_base,
2067 used);
2068 s->_wide_data->_IO_write_ptr -= written;
2069 }
2070 #else
2071 int used = s->_IO_write_ptr - s->_IO_write_base;
2072 if (used)
2073 {
2074 _IO_size_t written = _IO_sputn (target, s->_IO_write_base, used);
2075 s->_IO_write_ptr -= written;
2076 }
2077 #endif
2078 return PUTC (c, s);
2079 }
2080
2081 #ifdef COMPILE_WPRINTF
2082 static const struct _IO_jump_t _IO_helper_jumps =
2083 {
2084 JUMP_INIT_DUMMY,
2085 JUMP_INIT (finish, INTUSE(_IO_wdefault_finish)),
2086 JUMP_INIT (overflow, _IO_helper_overflow),
2087 JUMP_INIT (underflow, _IO_default_underflow),
2088 JUMP_INIT (uflow, INTUSE(_IO_default_uflow)),
2089 JUMP_INIT (pbackfail, (_IO_pbackfail_t) INTUSE(_IO_wdefault_pbackfail)),
2090 JUMP_INIT (xsputn, INTUSE(_IO_wdefault_xsputn)),
2091 JUMP_INIT (xsgetn, INTUSE(_IO_wdefault_xsgetn)),
2092 JUMP_INIT (seekoff, _IO_default_seekoff),
2093 JUMP_INIT (seekpos, _IO_default_seekpos),
2094 JUMP_INIT (setbuf, _IO_default_setbuf),
2095 JUMP_INIT (sync, _IO_default_sync),
2096 JUMP_INIT (doallocate, INTUSE(_IO_wdefault_doallocate)),
2097 JUMP_INIT (read, _IO_default_read),
2098 JUMP_INIT (write, _IO_default_write),
2099 JUMP_INIT (seek, _IO_default_seek),
2100 JUMP_INIT (close, _IO_default_close),
2101 JUMP_INIT (stat, _IO_default_stat)
2102 };
2103 #else
2104 static const struct _IO_jump_t _IO_helper_jumps =
2105 {
2106 JUMP_INIT_DUMMY,
2107 JUMP_INIT (finish, INTUSE(_IO_default_finish)),
2108 JUMP_INIT (overflow, _IO_helper_overflow),
2109 JUMP_INIT (underflow, _IO_default_underflow),
2110 JUMP_INIT (uflow, INTUSE(_IO_default_uflow)),
2111 JUMP_INIT (pbackfail, INTUSE(_IO_default_pbackfail)),
2112 JUMP_INIT (xsputn, INTUSE(_IO_default_xsputn)),
2113 JUMP_INIT (xsgetn, INTUSE(_IO_default_xsgetn)),
2114 JUMP_INIT (seekoff, _IO_default_seekoff),
2115 JUMP_INIT (seekpos, _IO_default_seekpos),
2116 JUMP_INIT (setbuf, _IO_default_setbuf),
2117 JUMP_INIT (sync, _IO_default_sync),
2118 JUMP_INIT (doallocate, INTUSE(_IO_default_doallocate)),
2119 JUMP_INIT (read, _IO_default_read),
2120 JUMP_INIT (write, _IO_default_write),
2121 JUMP_INIT (seek, _IO_default_seek),
2122 JUMP_INIT (close, _IO_default_close),
2123 JUMP_INIT (stat, _IO_default_stat)
2124 };
2125 #endif
2126
2127 static int
2128 internal_function
2129 buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format,
2130 _IO_va_list args)
2131 {
2132 CHAR_T buf[_IO_BUFSIZ];
2133 struct helper_file helper;
2134 register _IO_FILE *hp = (_IO_FILE *) &helper._f;
2135 int result, to_flush;
2136
2137 /* Orient the stream. */
2138 #ifdef ORIENT
2139 ORIENT;
2140 #endif
2141
2142 /* Initialize helper. */
2143 helper._put_stream = s;
2144 #ifdef COMPILE_WPRINTF
2145 hp->_wide_data = &helper._wide_data;
2146 _IO_wsetp (hp, buf, buf + sizeof buf / sizeof (CHAR_T));
2147 hp->_mode = 1;
2148 #else
2149 _IO_setp (hp, buf, buf + sizeof buf);
2150 hp->_mode = -1;
2151 #endif
2152 hp->_IO_file_flags = _IO_MAGIC|_IO_NO_READS|_IO_USER_LOCK;
2153 #if _IO_JUMPS_OFFSET
2154 hp->_vtable_offset = 0;
2155 #endif
2156 #ifdef _IO_MTSAFE_IO
2157 hp->_lock = NULL;
2158 #endif
2159 _IO_JUMPS (&helper._f) = (struct _IO_jump_t *) &_IO_helper_jumps;
2160
2161 /* Now print to helper instead. */
2162 #if defined USE_IN_LIBIO && !defined COMPILE_WPRINTF
2163 result = INTUSE(_IO_vfprintf) (hp, format, args);
2164 #else
2165 result = vfprintf (hp, format, args);
2166 #endif
2167
2168 /* Lock stream. */
2169 __libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile, s);
2170 _IO_flockfile (s);
2171
2172 /* Now flush anything from the helper to the S. */
2173 #ifdef COMPILE_WPRINTF
2174 if ((to_flush = (hp->_wide_data->_IO_write_ptr
2175 - hp->_wide_data->_IO_write_base)) > 0)
2176 {
2177 if ((int) _IO_sputn (s, hp->_wide_data->_IO_write_base, to_flush)
2178 != to_flush)
2179 result = -1;
2180 }
2181 #else
2182 if ((to_flush = hp->_IO_write_ptr - hp->_IO_write_base) > 0)
2183 {
2184 if ((int) _IO_sputn (s, hp->_IO_write_base, to_flush) != to_flush)
2185 result = -1;
2186 }
2187 #endif
2188
2189 /* Unlock the stream. */
2190 _IO_funlockfile (s);
2191 __libc_cleanup_region_end (0);
2192
2193 return result;
2194 }
2195
2196 #else /* !USE_IN_LIBIO */
2197
2198 static int
2199 internal_function
2200 buffered_vfprintf (register FILE *s, const CHAR_T *format, va_list args)
2201 {
2202 char buf[BUFSIZ];
2203 int result;
2204
2205 /* Orient the stream. */
2206 #ifdef ORIENT
2207 ORIENT;
2208 #endif
2209
2210 s->__bufp = s->__buffer = buf;
2211 s->__bufsize = sizeof buf;
2212 s->__put_limit = s->__buffer + s->__bufsize;
2213 s->__get_limit = s->__buffer;
2214
2215 /* Now use buffer to print. */
2216 result = vfprintf (s, format, args);
2217
2218 if (fflush (s) == EOF)
2219 result = -1;
2220 s->__buffer = s->__bufp = s->__get_limit = s->__put_limit = NULL;
2221 s->__bufsize = 0;
2222
2223 return result;
2224 }
2225 \f
2226 /* Pads string with given number of a specified character.
2227 This code is taken from iopadn.c of the GNU I/O library. */
2228 #define PADSIZE 16
2229 static const CHAR_T blanks[PADSIZE] =
2230 { L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '),
2231 L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' ') };
2232 static const CHAR_T zeroes[PADSIZE] =
2233 { L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'),
2234 L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0') };
2235
2236 ssize_t
2237 #ifndef COMPILE_WPRINTF
2238 __printf_pad (FILE *s, char pad, size_t count)
2239 #else
2240 __wprintf_pad (FILE *s, wchar_t pad, size_t count)
2241 #endif
2242 {
2243 const CHAR_T *padptr;
2244 register size_t i;
2245
2246 padptr = pad == L_(' ') ? blanks : zeroes;
2247
2248 for (i = count; i >= PADSIZE; i -= PADSIZE)
2249 if (PUT (s, padptr, PADSIZE) != PADSIZE)
2250 return -1;
2251 if (i > 0)
2252 if (PUT (s, padptr, i) != i)
2253 return -1;
2254
2255 return count;
2256 }
2257 #undef PADSIZE
2258 #endif /* USE_IN_LIBIO */
2259
2260 #ifdef USE_IN_LIBIO
2261 # undef vfprintf
2262 # ifdef strong_alias
2263 /* This is for glibc. */
2264 # ifdef COMPILE_WPRINTF
2265 strong_alias (_IO_vfwprintf, __vfwprintf);
2266 weak_alias (_IO_vfwprintf, vfwprintf);
2267 # else
2268 strong_alias (_IO_vfprintf, vfprintf);
2269 libc_hidden_def (vfprintf)
2270 INTDEF(_IO_vfprintf)
2271 # endif
2272 # else
2273 # if defined __ELF__ || defined __GNU_LIBRARY__
2274 # include <gnu-stabs.h>
2275 # ifdef weak_alias
2276 # ifdef COMPILE_WPRINTF
2277 weak_alias (_IO_vfwprintf, vfwprintf);
2278 # else
2279 weak_alias (_IO_vfprintf, vfprintf);
2280 # endif
2281 # endif
2282 # endif
2283 # endif
2284 #endif
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