1 /* Copyright (C) 1991-2002, 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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
28 #include <bits/libc-lock.h>
29 #include <sys/param.h>
31 #include <locale/localeinfo.h>
34 /* This code is shared between the standard stdio implementation found
35 in GNU C library and the libio implementation originally found in
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. */
43 /* This code is for use in libio. */
45 # define FILE _IO_FILE
47 # define va_list _IO_va_list
49 # define BUFSIZ _IO_BUFSIZ
50 # define ARGCHECK(S, Format) \
53 /* Check file argument for consistence. */ \
55 if (S->_flags & _IO_NO_WRITES) \
57 __set_errno (EBADF); \
66 # define UNBUFFERED_P(S) ((S)->_IO_file_flags & _IO_UNBUFFERED)
68 # ifndef COMPILE_WPRINTF
69 # define vfprintf _IO_vfprintf
71 # define UCHAR_T unsigned char
74 # define ISDIGIT(Ch) ((unsigned int) ((Ch) - '0') < 10)
76 # define PUT(F, S, N) _IO_sputn ((F), (S), (N))
77 # define PAD(Padchar) \
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)\
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 */
89 # define L_(Str) L##Str
90 # define ISDIGIT(Ch) ((unsigned int) ((Ch) - L'0') < 10)
94 # define PUT(F, S, N) _IO_sputn ((F), (S), (N))
95 # define PAD(Padchar) \
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
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)
106 #else /* ! USE_IN_LIBIO */
107 /* This code is for use in the GNU C library. */
108 # define ARGCHECK(S, Format) \
111 /* Check file argument for consistence. */ \
112 if (!__validfp (S) || !S->__mode.__write) \
114 __set_errno (EBADF); \
117 if (Format == NULL) \
119 __set_errno (EINVAL); \
124 if (__flshfp (S, EOF) == EOF) \
129 # define UNBUFFERED_P(s) ((s)->__buffer == NULL)
132 # define UCHAR_T unsigned char
135 # define ISDIGIT(Ch) isdigit (Ch)
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) \
141 { ssize_t __res = __printf_pad (s, (Padchar), width); \
148 # define PUTC(C, F) putc (C, F)
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 */
156 #include "_i18n_number.h"
158 /* Include the shared code for parsing the format string. */
159 #include "printf-parse.h"
162 #define outchar(Ch) \
165 register const INT_T outc = (Ch); \
166 if (PUTC (outc, s) == EOF) \
176 #define outstring(String, Len) \
179 if ((size_t) PUT (s, (String), (Len)) != (size_t) (Len)) \
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
191 #if LONG_MAX == LONG_LONG_MAX
192 # define is_longlong 0
194 # define is_longlong is_long_double
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
202 # define is_long_num is_long
206 /* Global variables. */
207 static const CHAR_T null
[] = L_("(null)");
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
;
214 /* Handle unknown format specifier. */
215 static int printf_unknown
__P ((FILE *, const struct printf_info
*,
216 const void *const *));
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))
223 static CHAR_T
*group_number
__P ((CHAR_T
*, CHAR_T
*, const char *,
224 const char *)) internal_function
;
228 /* The function itself. */
230 vfprintf (FILE *s
, const CHAR_T
*format
, va_list ap
)
232 /* The character used as thousands separator. */
233 #ifdef COMPILE_WPRINTF
234 wchar_t thousands_sep
= L
'\0';
236 const char *thousands_sep
= NULL
;
239 /* The string describing the size of groups of digits. */
240 const char *grouping
;
242 /* Place to accumulate the result. */
245 /* Current character in format string. */
248 /* End of leading constant string. */
249 const UCHAR_T
*lead_str_end
;
251 /* Points to next format specifier. */
252 const UCHAR_T
*end_of_spec
;
254 /* Buffer intermediate results. */
255 CHAR_T work_buffer
[1000];
256 CHAR_T
*workstart
= NULL
;
259 /* State for restartable multibyte character handling functions. */
260 #ifndef COMPILE_WPRINTF
264 /* We have to save the original argument pointer. */
267 /* Count number of specifiers we already processed. */
270 /* For the %m format we may need the current `errno' value. */
271 int save_errno
= errno
;
274 /* This table maps a character into a number representing a
275 class. In each step there is a destination label for each
277 static const int jump_table
[] =
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,
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,
293 /* 'X' */ 18, 0, /* 'Z' */ 13, 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
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) \
313 void *__unbounded ptr; \
315 offset = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \
316 : table[CHAR_CLASS (spec)]; \
317 ptr = &&do_form_unknown + offset; \
322 # define JUMP_TABLE_TYPE const void *const
323 # define JUMP(ChExpr, table) \
326 const void *__unbounded ptr; \
328 ptr = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \
329 : table[CHAR_CLASS (spec)]; \
335 #define STEP0_3_TABLE \
336 /* Step 0: at the beginning. */ \
337 static JUMP_TABLE_TYPE step0_jumps[30] = \
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' */ \
370 /* Step 1: after processing width. */ \
371 static JUMP_TABLE_TYPE step1_jumps[30] = \
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' */ \
404 /* Step 2: after processing precision. */ \
405 static JUMP_TABLE_TYPE step2_jumps[30] = \
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' */ \
438 /* Step 3a: after processing first 'h' modifier. */ \
439 static JUMP_TABLE_TYPE step3a_jumps[30] = \
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' */ \
472 /* Step 3b: after processing first 'l' modifier. */ \
473 static JUMP_TABLE_TYPE step3b_jumps[30] = \
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' */ \
507 #define STEP4_TABLE \
508 /* Step 4: processing format specifier. */ \
509 static JUMP_TABLE_TYPE step4_jumps[30] = \
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' */ \
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 "%". */ \
552 LABEL (form_integer): \
553 /* Signed decimal integer. */ \
558 long long int signed_number; \
561 signed_number = va_arg (ap, long long int); \
563 signed_number = args_value[fspec->data_arg].pa_long_long_int; \
565 is_negative = signed_number < 0; \
566 number.longlong = is_negative ? (- signed_number) : signed_number; \
568 goto LABEL (longlong_number); \
572 long int signed_number; \
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); \
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; \
587 is_negative = signed_number < 0; \
588 number.word = is_negative ? (- signed_number) : signed_number; \
590 goto LABEL (number); \
594 LABEL (form_unsigned): \
595 /* Unsigned decimal integer. */ \
597 goto LABEL (unsigned_number); \
600 LABEL (form_octal): \
601 /* Unsigned octal integer. */ \
603 goto LABEL (unsigned_number); \
607 /* Unsigned hexadecimal integer. */ \
610 LABEL (unsigned_number): /* Unsigned number of base BASE. */ \
612 /* ISO specifies the `+' and ` ' flags only for signed \
621 number.longlong = va_arg (ap, unsigned long long int); \
623 number.longlong = args_value[fspec->data_arg].pa_u_long_long_int; \
625 LABEL (longlong_number): \
627 /* Supply a default precision if none was given. */ \
630 /* We have to take care for the '0' flag. If a precision \
631 is given it must be ignored. */ \
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 \
637 if (prec == 0 && number.longlong == 0) \
640 if (base == 8 && alt) \
641 *--string = L_('0'); \
645 /* Put the number in WORK. */ \
646 string = _itoa (number.longlong, workend, base, \
648 if (group && grouping) \
649 string = group_number (string, workend, grouping, \
652 if (use_outdigits && base == 10) \
653 string = _i18n_number_rewrite (string, workend); \
655 /* Simplify further test for num != 0. */ \
656 number.word = number.longlong != 0; \
663 number.word = va_arg (ap, unsigned long int); \
665 number.word = (unsigned char) va_arg (ap, unsigned int); \
666 else if (!is_short) \
667 number.word = va_arg (ap, unsigned int); \
669 number.word = (unsigned short int) va_arg (ap, unsigned int); \
673 number.word = args_value[fspec->data_arg].pa_u_long_int; \
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; \
680 number.word = (unsigned short int) \
681 args_value[fspec->data_arg].pa_u_int; \
685 /* Supply a default precision if none was given. */ \
688 /* We have to take care for the '0' flag. If a precision \
689 is given it must be ignored. */ \
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 \
695 if (prec == 0 && number.word == 0) \
698 if (base == 8 && alt) \
699 *--string = L_('0'); \
703 /* Put the number in WORK. */ \
704 string = _itoa_word (number.word, workend, base, \
706 if (group && grouping) \
707 string = group_number (string, workend, grouping, \
710 if (use_outdigits && base == 10) \
711 string = _i18n_number_rewrite (string, workend); \
715 if (prec <= workend - string && number.word != 0 && alt && base == 8) \
716 /* Add octal marker. */ \
717 *--string = L_('0'); \
719 prec = MAX (0, prec - (workend - string)); \
723 width -= workend - string + prec; \
725 if (number.word != 0 && alt && base == 16) \
726 /* Account for 0X hex marker. */ \
729 if (is_negative || showsign || space) \
732 if (pad == L_(' ')) \
745 if (number.word != 0 && alt && base == 16) \
754 outstring (string, workend - string); \
776 if (number.word != 0 && alt && base == 16) \
783 width -= workend - string + prec; \
793 outstring (string, workend - string); \
799 LABEL (form_float): \
801 /* Floating-point number. This is handled by printf_fp.c. */ \
807 struct printf_info info = { .prec = prec, \
810 .is_long_double = is_long_double, \
811 .is_short = is_short, \
812 .is_long = is_long, \
816 .showsign = showsign, \
820 .i18n = use_outdigits, \
821 .wide = sizeof (CHAR_T) != 1 }; \
823 if (is_long_double) \
824 the_arg.pa_long_double = va_arg (ap, long double); \
826 the_arg.pa_double = va_arg (ap, double); \
827 ptr = (const void *) &the_arg; \
829 function_done = __printf_fp (s, &info, &ptr); \
833 ptr = (const void *) &args_value[fspec->data_arg]; \
835 function_done = __printf_fp (s, &fspec->info, &ptr); \
838 if (function_done < 0) \
840 /* Error in print handler. */ \
845 done += function_done; \
849 LABEL (form_floathex): \
851 /* Floating point number printed as hexadecimal number. */ \
857 struct printf_info info = { .prec = prec, \
860 .is_long_double = is_long_double, \
861 .is_short = is_short, \
862 .is_long = is_long, \
866 .showsign = showsign, \
870 .wide = sizeof (CHAR_T) != 1 }; \
872 if (is_long_double) \
873 the_arg.pa_long_double = va_arg (ap, long double); \
875 the_arg.pa_double = va_arg (ap, double); \
876 ptr = (const void *) &the_arg; \
878 function_done = __printf_fphex (s, &info, &ptr); \
882 ptr = (const void *) &args_value[fspec->data_arg]; \
884 function_done = __printf_fphex (s, &fspec->info, &ptr); \
887 if (function_done < 0) \
889 /* Error in print handler. */ \
894 done += function_done; \
898 LABEL (form_pointer): \
899 /* Generic pointer. */ \
903 ptr = va_arg (ap, void *); \
905 ptr = args_value[fspec->data_arg].pa_pointer; \
908 /* If the pointer is not NULL, write it as a %#x spec. */ \
910 number.word = (unsigned long int) ptr; \
915 goto LABEL (number); \
919 /* Write "(nil)" for a nil pointer. */ \
920 string = (CHAR_T *) L_("(nil)"); \
921 /* Make sure the full string "(nil)" is printed. */ \
924 is_long = 0; /* This is no wide-char string. */ \
925 goto LABEL (print_string); \
930 LABEL (form_number): \
931 /* Answer the count of characters written. */ \
935 *(long long int *) va_arg (ap, void *) = done; \
936 else if (is_long_num) \
937 *(long int *) va_arg (ap, void *) = done; \
939 *(char *) va_arg (ap, void *) = done; \
940 else if (!is_short) \
941 *(int *) va_arg (ap, void *) = done; \
943 *(short int *) va_arg (ap, void *) = done; \
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; \
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; \
955 *(short int *) args_value[fspec->data_arg].pa_pointer = done; \
958 LABEL (form_strerror): \
959 /* Print description of error ERRNO. */ \
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)
966 #ifdef COMPILE_WPRINTF
967 # define process_string_arg(fspec) \
968 LABEL (form_character): \
971 goto LABEL (form_wcharacter); \
972 --width; /* Account for the character itself. */ \
976 outchar (__btowc ((unsigned char) va_arg (ap, int))); /* Promoted. */ \
978 outchar (__btowc ((unsigned char) \
979 args_value[fspec->data_arg].pa_int)); \
984 LABEL (form_wcharacter): \
986 /* Wide character. */ \
991 outchar (va_arg (ap, wchar_t)); \
993 outchar (args_value[fspec->data_arg].pa_wchar); \
999 LABEL (form_string): \
1002 int string_malloced; \
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 *); \
1009 string = (CHAR_T *) args_value[fspec->data_arg].pa_wstring; \
1011 /* Entry point for printing other strings. */ \
1012 LABEL (print_string): \
1014 string_malloced = 0; \
1015 if (string == NULL) \
1017 /* Write "(null)" if there's space. */ \
1019 || prec >= (int) (sizeof (null) / sizeof (null[0])) - 1) \
1021 string = (CHAR_T *) null; \
1022 len = (sizeof (null) / sizeof (null[0])) - 1; \
1026 string = (CHAR_T *) L""; \
1030 else if (!is_long && spec != L_('S')) \
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; \
1037 len = prec != -1 ? (size_t) prec : strlen (mbs); \
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))) \
1050 string_malloced = 1; \
1052 memset (&mbstate, '\0', sizeof (mbstate_t)); \
1053 len = __mbsrtowcs (string, &mbs, len, &mbstate); \
1054 if (len == (size_t) -1) \
1056 /* Illegal multibyte character. */ \
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); \
1068 len = __wcslen (string); \
1071 if ((width -= len) < 0) \
1073 outstring (string, len); \
1079 outstring (string, len); \
1082 if (__builtin_expect (string_malloced, 0)) \
1087 # define process_string_arg(fspec) \
1088 LABEL (form_character): \
1091 goto LABEL (form_wcharacter); \
1092 --width; /* Account for the character itself. */ \
1095 if (fspec == NULL) \
1096 outchar ((unsigned char) va_arg (ap, int)); /* Promoted. */ \
1098 outchar ((unsigned char) args_value[fspec->data_arg].pa_int); \
1103 LABEL (form_wcharacter): \
1105 /* Wide character. */ \
1106 char buf[MB_CUR_MAX]; \
1107 mbstate_t mbstate; \
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), \
1114 if (len == (size_t) -1) \
1116 /* Something went wron gduring the conversion. Bail out. */ \
1123 outstring (buf, len); \
1129 LABEL (form_string): \
1132 int string_malloced; \
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 *); \
1139 string = (char *) args_value[fspec->data_arg].pa_string; \
1141 /* Entry point for printing other strings. */ \
1142 LABEL (print_string): \
1144 string_malloced = 0; \
1145 if (string == NULL) \
1147 /* Write "(null)" if there's space. */ \
1148 if (prec == -1 || prec >= (int) sizeof (null) - 1) \
1150 string = (char *) null; \
1151 len = sizeof (null) - 1; \
1155 string = (char *) ""; \
1159 else if (!is_long && spec != L_('S')) \
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); \
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; \
1177 memset (&ps, '\0', sizeof (ps)); \
1178 if (__mbsnrtowcs (ignore, &str2, prec, prec, &ps) \
1185 len = strlen (string); \
1187 len = str2 - string - (ps.__count & 7); \
1191 len = strlen (string); \
1195 const wchar_t *s2 = (const wchar_t *) string; \
1196 mbstate_t mbstate; \
1198 memset (&mbstate, '\0', sizeof (mbstate_t)); \
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) \
1211 string_malloced = 1; \
1212 len = __wcsrtombs (string, &s2, prec, &mbstate); \
1216 len = __wcsrtombs (NULL, &s2, 0, &mbstate); \
1217 if (len != (size_t) -1) \
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) \
1229 string_malloced = 1; \
1230 (void) __wcsrtombs (string, &s2, len + 1, &mbstate); \
1234 if (len == (size_t) -1) \
1236 /* Illegal wide-character string. */ \
1242 if ((width -= len) < 0) \
1244 outstring (string, len); \
1250 outstring (string, len); \
1253 if (__builtin_expect (string_malloced, 0)) \
1259 /* Orient the stream. */
1264 /* Sanity check of arguments. */
1265 ARGCHECK (s
, format
);
1268 /* Check for correct orientation. */
1270 # ifdef USE_IN_LIBIO
1271 _IO_vtable_offset (s
) == 0 &&
1273 _IO_fwide (s
, sizeof (CHAR_T
) == 1 ? -1 : 1)
1274 != (sizeof (CHAR_T
) == 1 ? -1 : 1))
1275 /* The stream is already oriented otherwise. */
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
);
1284 /* Initialize local variables. */
1286 grouping
= (const char *) -1;
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
);
1296 #ifdef COMPILE_WPRINTF
1297 /* Find the first format specifier. */
1298 f
= lead_str_end
= __find_specwc ((const UCHAR_T
*) format
);
1300 /* Put state for processing format string in initial state. */
1301 memset (&mbstate
, '\0', sizeof (mbstate_t));
1303 /* Find the first format specifier. */
1304 f
= lead_str_end
= __find_specmb (format
, &mbstate
);
1309 _IO_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile
, s
);
1312 __libc_cleanup_region_start (1, (void (*) (void *)) &__funlockfile
, s
);
1316 /* Write the literal text before the first format. */
1317 outstring ((const UCHAR_T
*) format
,
1318 lead_str_end
- (const UCHAR_T
*) format
);
1320 /* If we only have to print a simple string, return now. */
1324 /* Process whole format string. */
1327 #if defined HAVE_SUBTRACT_LOCAL_LABELS && defined SHARED
1328 # define REF(Name) &&do_##Name - &&do_form_unknown
1330 # define REF(Name) &&do_##Name
1332 #define LABEL(Name) do_##Name
1336 union printf_arg
*args_value
; /* This is not used here but ... */
1337 int is_negative
; /* Flag for negative number. */
1340 unsigned long long int longlong
;
1341 unsigned long int word
;
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. */
1364 workend
= &work_buffer
[sizeof (work_buffer
) / sizeof (CHAR_T
)];
1366 /* Get current character in format string. */
1367 JUMP (*++f
, step0_jumps
);
1372 JUMP (*++f
, step0_jumps
);
1377 JUMP (*++f
, step0_jumps
);
1383 JUMP (*++f
, step0_jumps
);
1388 JUMP (*++f
, step0_jumps
);
1394 JUMP (*++f
, step0_jumps
);
1396 /* The '\'' flag. */
1400 if (grouping
== (const char *) -1)
1402 #ifdef COMPILE_WPRINTF
1403 thousands_sep
= _NL_CURRENT_WORD (LC_NUMERIC
,
1404 _NL_NUMERIC_THOUSANDS_SEP_WC
);
1406 thousands_sep
= _NL_CURRENT (LC_NUMERIC
, THOUSANDS_SEP
);
1409 grouping
= _NL_CURRENT (LC_NUMERIC
, GROUPING
);
1410 if (*grouping
== '\0' || *grouping
== CHAR_MAX
1411 #ifdef COMPILE_WPRINTF
1412 || thousands_sep
== L
'\0'
1414 || *thousands_sep
== '\0'
1419 JUMP (*++f
, step0_jumps
);
1423 JUMP (*++f
, step0_jumps
);
1425 /* Get width from argument. */
1426 LABEL (width_asterics
):
1428 const UCHAR_T
*tmp
; /* Temporary value. */
1431 if (ISDIGIT (*tmp
) && read_int (&tmp
) && *tmp
== L_('$'))
1432 /* The width comes from a positional parameter. */
1435 width
= va_arg (ap
, int);
1437 /* Negative width means left justified. */
1445 if (width
+ 32 >= (int) (sizeof (work_buffer
)
1446 / sizeof (work_buffer
[0])))
1448 /* We have to use a special buffer. The "32" is just a safe
1449 bet for all the output which is not counted in the width. */
1450 if (__libc_use_alloca ((width
+ 32) * sizeof (CHAR_T
)))
1451 workend
= ((CHAR_T
*) alloca ((width
+ 32) * sizeof (CHAR_T
))
1455 workstart
= (CHAR_T
*) malloc ((width
+ 32) * sizeof (CHAR_T
));
1456 if (workstart
== NULL
)
1461 workend
= workstart
+ (width
+ 32);
1465 JUMP (*f
, step1_jumps
);
1467 /* Given width in format string. */
1469 width
= read_int (&f
);
1471 if (width
+ 32 >= (int) (sizeof (work_buffer
) / sizeof (work_buffer
[0])))
1473 /* We have to use a special buffer. The "32" is just a safe
1474 bet for all the output which is not counted in the width. */
1475 if (__libc_use_alloca ((width
+ 32) * sizeof (CHAR_T
)))
1476 workend
= ((CHAR_T
*) alloca ((width
+ 32) * sizeof (CHAR_T
))
1480 workstart
= (CHAR_T
*) malloc ((width
+ 32) * sizeof (CHAR_T
));
1481 if (workstart
== NULL
)
1486 workend
= workstart
+ (width
+ 32);
1490 /* Oh, oh. The argument comes from a positional parameter. */
1492 JUMP (*f
, step1_jumps
);
1498 const UCHAR_T
*tmp
; /* Temporary value. */
1501 if (ISDIGIT (*tmp
) && read_int (&tmp
) > 0 && *tmp
== L_('$'))
1502 /* The precision comes from a positional parameter. */
1505 prec
= va_arg (ap
, int);
1507 /* If the precision is negative the precision is omitted. */
1511 else if (ISDIGIT (*f
))
1512 prec
= read_int (&f
);
1516 && prec
+ 32 > (int)(sizeof (work_buffer
) / sizeof (work_buffer
[0])))
1518 if (__libc_use_alloca ((prec
+ 32) * sizeof (CHAR_T
)))
1519 workend
= ((CHAR_T
*) alloca ((prec
+ 32) * sizeof (CHAR_T
)))
1523 workstart
= (CHAR_T
*) malloc ((prec
+ 32) * sizeof (CHAR_T
));
1524 if (workstart
== NULL
)
1529 workend
= workstart
+ (prec
+ 32);
1532 JUMP (*f
, step2_jumps
);
1534 /* Process 'h' modifier. There might another 'h' following. */
1537 JUMP (*++f
, step3a_jumps
);
1539 /* Process 'hh' modifier. */
1540 LABEL (mod_halfhalf
):
1543 JUMP (*++f
, step4_jumps
);
1545 /* Process 'l' modifier. There might another 'l' following. */
1548 JUMP (*++f
, step3b_jumps
);
1550 /* Process 'L', 'q', or 'll' modifier. No other modifier is
1551 allowed to follow. */
1552 LABEL (mod_longlong
):
1555 JUMP (*++f
, step4_jumps
);
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
);
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
);
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
);
1572 /* Process current format. */
1575 process_arg (((struct printf_spec
*) NULL
));
1576 process_string_arg (((struct printf_spec
*) NULL
));
1578 LABEL (form_unknown
):
1579 if (spec
== L_('\0'))
1581 /* The format string ended before the specifier is complete. */
1586 /* If we are in the fast loop force entering the complicated
1591 /* The format is correctly handled. */
1594 if (__builtin_expect (workstart
!= NULL
, 0))
1598 /* Look for next format specifier. */
1599 #ifdef COMPILE_WPRINTF
1600 f
= __find_specwc ((end_of_spec
= ++f
));
1602 f
= __find_specmb ((end_of_spec
= ++f
), &mbstate
);
1605 /* Write the following constant string. */
1606 outstring (end_of_spec
, f
- end_of_spec
);
1608 while (*f
!= L_('\0'));
1610 /* Unlock stream and return. */
1613 /* Here starts the more complex loop to handle positional parameters. */
1616 /* Array with information about the needed arguments. This has to
1617 be dynamically extensible. */
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
));
1623 /* The number of arguments the format string requests. This will
1624 determine the size of the array needed to store the argument
1628 union printf_arg
*args_value
= NULL
;
1630 /* Positional parameters refer to arguments directly. This could
1631 also determine the maximum number of arguments. Track the
1633 size_t max_ref_arg
= 0;
1635 /* Just a counter. */
1639 if (grouping
== (const char *) -1)
1641 #ifdef COMPILE_WPRINTF
1642 thousands_sep
= _NL_CURRENT_WORD (LC_NUMERIC
,
1643 _NL_NUMERIC_THOUSANDS_SEP_WC
);
1645 thousands_sep
= _NL_CURRENT (LC_NUMERIC
, THOUSANDS_SEP
);
1648 grouping
= _NL_CURRENT (LC_NUMERIC
, GROUPING
);
1649 if (*grouping
== '\0' || *grouping
== CHAR_MAX
)
1653 for (f
= lead_str_end
; *f
!= L_('\0'); f
= specs
[nspecs
++].next_fmt
)
1655 if (nspecs
>= nspecs_max
)
1657 /* Extend the array of format specifiers. */
1658 struct printf_spec
*old
= specs
;
1661 specs
= alloca (nspecs_max
* sizeof (struct printf_spec
));
1663 if (specs
== &old
[nspecs
])
1664 /* Stack grows up, OLD was the last thing allocated;
1666 nspecs_max
+= nspecs_max
/ 2;
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
1675 nspecs_max
+= nspecs_max
/ 2;
1679 /* Parse the format specifier. */
1680 #ifdef COMPILE_WPRINTF
1681 nargs
+= __parse_one_specwc (f
, nargs
, &specs
[nspecs
], &max_ref_arg
);
1683 nargs
+= __parse_one_specmb (f
, nargs
, &specs
[nspecs
], &max_ref_arg
,
1688 /* Determine the number of arguments the format string consumes. */
1689 nargs
= MAX (nargs
, max_ref_arg
);
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
));
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. */
1700 /* Fill in the types of all the arguments. */
1701 for (cnt
= 0; cnt
< nspecs
; ++cnt
)
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
;
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
;
1711 switch (specs
[cnt
].ndata_args
)
1713 case 0: /* No arguments. */
1715 case 1: /* One argument; we already have the type. */
1716 args_type
[specs
[cnt
].data_arg
] = specs
[cnt
].data_arg_type
;
1719 /* We have more than one argument for this format spec.
1720 We must call the arginfo function again to determine
1722 (void) (*__printf_arginfo_table
[specs
[cnt
].info
.spec
])
1724 specs
[cnt
].ndata_args
, &args_type
[specs
[cnt
].data_arg
]);
1729 /* Now we know all the types and the order. Fill in the argument
1731 for (cnt
= 0; cnt
< nargs
; ++cnt
)
1732 switch (args_type
[cnt
])
1734 #define T(tag, mem, type) \
1736 args_value[cnt].mem = va_arg (ap_save, type); \
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 *);
1753 if ((args_type
[cnt
] & PA_FLAG_PTR
) != 0)
1754 args_value
[cnt
].pa_pointer
= va_arg (ap_save
, void *);
1756 args_value
[cnt
].pa_long_double
= 0.0;
1760 /* Now walk through all format specifiers and process them. */
1761 for (; (size_t) nspecs_done
< nspecs
; ++nspecs_done
)
1764 #if defined HAVE_SUBTRACT_LOCAL_LABELS && defined SHARED
1765 # define REF(Name) &&do2_##Name - &&do_form_unknown
1767 # define REF(Name) &&do2_##Name
1770 #define LABEL(Name) do2_##Name
1776 unsigned long long int longlong
;
1777 unsigned long int word
;
1780 union printf_arg the_arg
;
1781 CHAR_T
*string
; /* Pointer to argument string. */
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
;
1800 /* Fill in last information. */
1801 if (specs
[nspecs_done
].width_arg
!= -1)
1803 /* Extract the field width from an argument. */
1804 specs
[nspecs_done
].info
.width
=
1805 args_value
[specs
[nspecs_done
].width_arg
].pa_int
;
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. */
1811 specs
[nspecs_done
].info
.width
*= -1;
1812 left
= specs
[nspecs_done
].info
.left
= 1;
1814 width
= specs
[nspecs_done
].info
.width
;
1817 if (specs
[nspecs_done
].prec_arg
!= -1)
1819 /* Extract the precision from an argument. */
1820 specs
[nspecs_done
].info
.prec
=
1821 args_value
[specs
[nspecs_done
].prec_arg
].pa_int
;
1823 if (specs
[nspecs_done
].info
.prec
< 0)
1824 /* If the precision is negative the precision is
1826 specs
[nspecs_done
].info
.prec
= -1;
1828 prec
= specs
[nspecs_done
].info
.prec
;
1831 /* Maybe the buffer is too small. */
1832 if (MAX (prec
, width
) + 32 > (int) (sizeof (work_buffer
)
1835 if (__libc_use_alloca ((MAX (prec
, width
) + 32)
1837 workend
= ((CHAR_T
*) alloca ((MAX (prec
, width
) + 32)
1839 + (MAX (prec
, width
) + 32));
1842 workstart
= (CHAR_T
*) malloc ((MAX (prec
, width
) + 32)
1844 workend
= workstart
+ (MAX (prec
, width
) + 32);
1848 /* Process format specifiers. */
1851 JUMP (spec
, step4_jumps
);
1853 process_arg ((&specs
[nspecs_done
]));
1854 process_string_arg ((&specs
[nspecs_done
]));
1856 LABEL (form_unknown
):
1858 extern printf_function
**__printf_function_table
;
1860 printf_function
*function
;
1865 (__printf_function_table
== NULL
? NULL
:
1866 __printf_function_table
[specs
[nspecs_done
].info
.spec
]);
1868 if (function
== NULL
)
1869 function
= &printf_unknown
;
1871 ptr
= alloca (specs
[nspecs_done
].ndata_args
1872 * sizeof (const void *));
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
];
1878 /* Call the function. */
1879 function_done
= (*function
) (s
, &specs
[nspecs_done
].info
, ptr
);
1881 /* If an error occurred we don't have information about #
1883 if (function_done
< 0)
1889 done
+= function_done
;
1894 if (__builtin_expect (workstart
!= NULL
, 0))
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
);
1906 if (__builtin_expect (workstart
!= NULL
, 0))
1908 /* Unlock the stream. */
1910 _IO_funlockfile (s
);
1911 _IO_cleanup_region_end (0);
1914 __libc_cleanup_region_end (0);
1920 /* Handle an unknown format specifier. This prints out a canonicalized
1921 representation of the format spec itself. */
1923 printf_unknown (FILE *s
, const struct printf_info
*info
,
1924 const void *const *args
)
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
)];
1941 else if (info
->space
)
1945 if (info
->pad
== L_('0'))
1950 if (info
->width
!= 0)
1952 w
= _itoa_word (info
->width
, workend
, 10, 0);
1957 if (info
->prec
!= -1)
1960 w
= _itoa_word (info
->prec
, workend
, 10, 0);
1965 if (info
->spec
!= L_('\0'))
1966 outchar (info
->spec
);
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>. */
1976 group_number (CHAR_T
*w
, CHAR_T
*rear_ptr
, const char *grouping
,
1977 #ifdef COMPILE_WPRINTF
1978 wchar_t thousands_sep
1980 const char *thousands_sep
1986 #ifndef COMPILE_WPRINTF
1987 int tlen
= strlen (thousands_sep
);
1990 /* We treat all negative values like CHAR_MAX. */
1992 if (*grouping
== CHAR_MAX
|| *grouping
<= 0)
1993 /* No grouping should be done. */
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
));
2004 /* Process all characters in the string. */
2009 if (--len
== 0 && s
> src
)
2011 /* A new group begins. */
2012 #ifdef COMPILE_WPRINTF
2013 *--w
= thousands_sep
;
2017 *--w
= thousands_sep
[--cnt
];
2021 if (*grouping
== CHAR_MAX
2027 /* No further grouping to be done.
2028 Copy the rest of the number. */
2034 else if (*grouping
!= '\0')
2035 /* The previous grouping repeats ad infinitum. */
2045 /* Helper "class" for `fprintf to unbuffered': creates a temporary buffer. */
2048 struct _IO_FILE_plus _f
;
2049 #ifdef COMPILE_WPRINTF
2050 struct _IO_wide_data _wide_data
;
2052 _IO_FILE
*_put_stream
;
2053 #ifdef _IO_MTSAFE_IO
2059 _IO_helper_overflow (_IO_FILE
*s
, int c
)
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
;
2066 _IO_size_t written
= _IO_sputn (target
, s
->_wide_data
->_IO_write_base
,
2068 s
->_wide_data
->_IO_write_ptr
-= written
;
2071 int used
= s
->_IO_write_ptr
- s
->_IO_write_base
;
2074 _IO_size_t written
= _IO_sputn (target
, s
->_IO_write_base
, used
);
2075 s
->_IO_write_ptr
-= written
;
2081 #ifdef COMPILE_WPRINTF
2082 static const struct _IO_jump_t _IO_helper_jumps
=
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
)
2104 static const struct _IO_jump_t _IO_helper_jumps
=
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
)
2129 buffered_vfprintf (register _IO_FILE
*s
, const CHAR_T
*format
,
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
;
2137 /* Orient the stream. */
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
));
2149 _IO_setp (hp
, buf
, buf
+ sizeof buf
);
2152 hp
->_IO_file_flags
= _IO_MAGIC
|_IO_NO_READS
|_IO_USER_LOCK
;
2153 #if _IO_JUMPS_OFFSET
2154 hp
->_vtable_offset
= 0;
2156 #ifdef _IO_MTSAFE_IO
2159 _IO_JUMPS (&helper
._f
) = (struct _IO_jump_t
*) &_IO_helper_jumps
;
2161 /* Now print to helper instead. */
2162 #if defined USE_IN_LIBIO && !defined COMPILE_WPRINTF
2163 result
= INTUSE(_IO_vfprintf
) (hp
, format
, args
);
2165 result
= vfprintf (hp
, format
, args
);
2169 __libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile
, s
);
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)
2177 if ((int) _IO_sputn (s
, hp
->_wide_data
->_IO_write_base
, to_flush
)
2182 if ((to_flush
= hp
->_IO_write_ptr
- hp
->_IO_write_base
) > 0)
2184 if ((int) _IO_sputn (s
, hp
->_IO_write_base
, to_flush
) != to_flush
)
2189 /* Unlock the stream. */
2190 _IO_funlockfile (s
);
2191 __libc_cleanup_region_end (0);
2196 #else /* !USE_IN_LIBIO */
2200 buffered_vfprintf (register FILE *s
, const CHAR_T
*format
, va_list args
)
2205 /* Orient the stream. */
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
;
2215 /* Now use buffer to print. */
2216 result
= vfprintf (s
, format
, args
);
2218 if (fflush (s
) == EOF
)
2220 s
->__buffer
= s
->__bufp
= s
->__get_limit
= s
->__put_limit
= NULL
;
2226 /* Pads string with given number of a specified character.
2227 This code is taken from iopadn.c of the GNU I/O library. */
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') };
2237 #ifndef COMPILE_WPRINTF
2238 __printf_pad (FILE *s
, char pad
, size_t count
)
2240 __wprintf_pad (FILE *s
, wchar_t pad
, size_t count
)
2243 const CHAR_T
*padptr
;
2246 padptr
= pad
== L_(' ') ? blanks
: zeroes
;
2248 for (i
= count
; i
>= PADSIZE
; i
-= PADSIZE
)
2249 if (PUT (s
, padptr
, PADSIZE
) != PADSIZE
)
2252 if (PUT (s
, padptr
, i
) != i
)
2258 #endif /* USE_IN_LIBIO */
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
);
2268 strong_alias (_IO_vfprintf
, vfprintf
);
2269 libc_hidden_def (vfprintf
)
2270 INTDEF(_IO_vfprintf
)
2273 # if defined __ELF__ || defined __GNU_LIBRARY__
2274 # include <gnu-stabs.h>
2276 # ifdef COMPILE_WPRINTF
2277 weak_alias (_IO_vfwprintf
, vfwprintf
);
2279 weak_alias (_IO_vfprintf
, vfprintf
);