1 /* -*- buffer-read-only: t -*- vi: set ro: */
2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
3 /* Formatted output to strings.
4 Copyright (C) 1999-2000, 2002-2003, 2006-2010 Free Software Foundation, Inc.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License along
17 with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
20 /* This file can be parametrized with the following macros:
21 CHAR_T The element type of the format string.
22 CHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters
23 in the format string are ASCII.
24 DIRECTIVE Structure denoting a format directive.
26 DIRECTIVES Structure denoting the set of format directives of a
27 format string. Depends on CHAR_T.
28 PRINTF_PARSE Function that parses a format string.
30 STATIC Set to 'static' to declare the function static.
31 ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions. */
39 # include "printf-parse.h"
42 /* Default parameters. */
44 # define PRINTF_PARSE printf_parse
46 # define DIRECTIVE char_directive
47 # define DIRECTIVES char_directives
50 /* Get size_t, NULL. */
54 #if defined IN_LIBINTL || defined IN_LIBASPRINTF
55 # if HAVE_STDINT_H_WITH_UINTMAX
58 # if HAVE_INTTYPES_H_WITH_UINTMAX
59 # include <inttypes.h>
65 /* malloc(), realloc(), free(). */
71 /* Checked size_t computations. */
83 PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a)
85 const CHAR_T *cp = format; /* pointer into format */
86 size_t arg_posn = 0; /* number of regular arguments consumed */
87 size_t d_allocated; /* allocated elements of d->dir */
88 size_t a_allocated; /* allocated elements of a->arg */
89 size_t max_width_length = 0;
90 size_t max_precision_length = 0;
94 d->dir = (DIRECTIVE *) malloc (d_allocated * sizeof (DIRECTIVE));
103 #define REGISTER_ARG(_index_,_type_) \
105 size_t n = (_index_); \
106 if (n >= a_allocated) \
108 size_t memory_size; \
111 a_allocated = xtimes (a_allocated, 2); \
112 if (a_allocated <= n) \
113 a_allocated = xsum (n, 1); \
114 memory_size = xtimes (a_allocated, sizeof (argument)); \
115 if (size_overflow_p (memory_size)) \
116 /* Overflow, would lead to out of memory. */ \
117 goto out_of_memory; \
118 memory = (argument *) (a->arg \
119 ? realloc (a->arg, memory_size) \
120 : malloc (memory_size)); \
121 if (memory == NULL) \
122 /* Out of memory. */ \
123 goto out_of_memory; \
126 while (a->count <= n) \
127 a->arg[a->count++].type = TYPE_NONE; \
128 if (a->arg[n].type == TYPE_NONE) \
129 a->arg[n].type = (_type_); \
130 else if (a->arg[n].type != (_type_)) \
131 /* Ambiguous type for positional argument. */ \
140 size_t arg_index = ARG_NONE;
141 DIRECTIVE *dp = &d->dir[d->count]; /* pointer to next directive */
143 /* Initialize the next directive. */
144 dp->dir_start = cp - 1;
146 dp->width_start = NULL;
147 dp->width_end = NULL;
148 dp->width_arg_index = ARG_NONE;
149 dp->precision_start = NULL;
150 dp->precision_end = NULL;
151 dp->precision_arg_index = ARG_NONE;
152 dp->arg_index = ARG_NONE;
154 /* Test for positional argument. */
155 if (*cp >= '0' && *cp <= '9')
159 for (np = cp; *np >= '0' && *np <= '9'; np++)
165 for (np = cp; *np >= '0' && *np <= '9'; np++)
166 n = xsum (xtimes (n, 10), *np - '0');
168 /* Positional argument 0. */
170 if (size_overflow_p (n))
171 /* n too large, would lead to out of memory later. */
178 /* Read the flags. */
183 dp->flags |= FLAG_GROUP;
188 dp->flags |= FLAG_LEFT;
193 dp->flags |= FLAG_SHOWSIGN;
198 dp->flags |= FLAG_SPACE;
203 dp->flags |= FLAG_ALT;
208 dp->flags |= FLAG_ZERO;
215 /* Parse the field width. */
218 dp->width_start = cp;
221 if (max_width_length < 1)
222 max_width_length = 1;
224 /* Test for positional argument. */
225 if (*cp >= '0' && *cp <= '9')
229 for (np = cp; *np >= '0' && *np <= '9'; np++)
235 for (np = cp; *np >= '0' && *np <= '9'; np++)
236 n = xsum (xtimes (n, 10), *np - '0');
238 /* Positional argument 0. */
240 if (size_overflow_p (n))
241 /* n too large, would lead to out of memory later. */
243 dp->width_arg_index = n - 1;
247 if (dp->width_arg_index == ARG_NONE)
249 dp->width_arg_index = arg_posn++;
250 if (dp->width_arg_index == ARG_NONE)
251 /* arg_posn wrapped around. */
254 REGISTER_ARG (dp->width_arg_index, TYPE_INT);
256 else if (*cp >= '0' && *cp <= '9')
260 dp->width_start = cp;
261 for (; *cp >= '0' && *cp <= '9'; cp++)
264 width_length = dp->width_end - dp->width_start;
265 if (max_width_length < width_length)
266 max_width_length = width_length;
269 /* Parse the precision. */
275 dp->precision_start = cp - 1;
277 dp->precision_end = cp;
278 if (max_precision_length < 2)
279 max_precision_length = 2;
281 /* Test for positional argument. */
282 if (*cp >= '0' && *cp <= '9')
286 for (np = cp; *np >= '0' && *np <= '9'; np++)
292 for (np = cp; *np >= '0' && *np <= '9'; np++)
293 n = xsum (xtimes (n, 10), *np - '0');
295 /* Positional argument 0. */
297 if (size_overflow_p (n))
298 /* n too large, would lead to out of memory
301 dp->precision_arg_index = n - 1;
305 if (dp->precision_arg_index == ARG_NONE)
307 dp->precision_arg_index = arg_posn++;
308 if (dp->precision_arg_index == ARG_NONE)
309 /* arg_posn wrapped around. */
312 REGISTER_ARG (dp->precision_arg_index, TYPE_INT);
316 size_t precision_length;
318 dp->precision_start = cp - 1;
319 for (; *cp >= '0' && *cp <= '9'; cp++)
321 dp->precision_end = cp;
322 precision_length = dp->precision_end - dp->precision_start;
323 if (max_precision_length < precision_length)
324 max_precision_length = precision_length;
331 /* Parse argument type/size specifiers. */
339 flags |= (1 << (flags & 1));
354 if (sizeof (intmax_t) > sizeof (long))
356 /* intmax_t = long long */
359 else if (sizeof (intmax_t) > sizeof (int))
361 /* intmax_t = long */
366 else if (*cp == 'z' || *cp == 'Z')
368 /* 'z' is standardized in ISO C 99, but glibc uses 'Z'
369 because the warning facility in gcc-2.95.2 understands
370 only 'Z' (see gcc-2.95.2/gcc/c-common.c:1784). */
371 if (sizeof (size_t) > sizeof (long))
373 /* size_t = long long */
376 else if (sizeof (size_t) > sizeof (int))
385 if (sizeof (ptrdiff_t) > sizeof (long))
387 /* ptrdiff_t = long long */
390 else if (sizeof (ptrdiff_t) > sizeof (int))
392 /* ptrdiff_t = long */
397 #if defined __APPLE__ && defined __MACH__
398 /* On MacOS X 10.3, PRIdMAX is defined as "qd".
399 We cannot change it to "lld" because PRIdMAX must also
400 be understood by the system's printf routines. */
403 if (64 / 8 > sizeof (long))
405 /* int64_t = long long */
416 #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
417 /* On native Win32, PRIdMAX is defined as "I64d".
418 We cannot change it to "lld" because PRIdMAX must also
419 be understood by the system's printf routines. */
420 else if (*cp == 'I' && cp[1] == '6' && cp[2] == '4')
422 if (64 / 8 > sizeof (long))
424 /* __int64 = long long */
439 /* Read the conversion character. */
444 #if HAVE_LONG_LONG_INT
445 /* If 'long long' exists and is larger than 'long': */
446 if (flags >= 16 || (flags & 4))
447 type = TYPE_LONGLONGINT;
450 /* If 'long long' exists and is the same as 'long', we parse
451 "lld" into TYPE_LONGINT. */
461 case 'o': case 'u': case 'x': case 'X':
462 #if HAVE_LONG_LONG_INT
463 /* If 'long long' exists and is larger than 'long': */
464 if (flags >= 16 || (flags & 4))
465 type = TYPE_ULONGLONGINT;
468 /* If 'unsigned long long' exists and is the same as
469 'unsigned long', we parse "llu" into TYPE_ULONGINT. */
471 type = TYPE_ULONGINT;
479 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
481 if (flags >= 16 || (flags & 4))
482 type = TYPE_LONGDOUBLE;
489 type = TYPE_WIDE_CHAR;
498 type = TYPE_WIDE_CHAR;
505 type = TYPE_WIDE_STRING;
514 type = TYPE_WIDE_STRING;
522 #if HAVE_LONG_LONG_INT
523 /* If 'long long' exists and is larger than 'long': */
524 if (flags >= 16 || (flags & 4))
525 type = TYPE_COUNT_LONGLONGINT_POINTER;
528 /* If 'long long' exists and is the same as 'long', we parse
529 "lln" into TYPE_COUNT_LONGINT_POINTER. */
531 type = TYPE_COUNT_LONGINT_POINTER;
533 type = TYPE_COUNT_SCHAR_POINTER;
535 type = TYPE_COUNT_SHORT_POINTER;
537 type = TYPE_COUNT_INT_POINTER;
540 /* The unistdio extensions. */
543 type = TYPE_U32_STRING;
545 type = TYPE_U16_STRING;
547 type = TYPE_U8_STRING;
554 /* Unknown conversion character. */
559 if (type != TYPE_NONE)
561 dp->arg_index = arg_index;
562 if (dp->arg_index == ARG_NONE)
564 dp->arg_index = arg_posn++;
565 if (dp->arg_index == ARG_NONE)
566 /* arg_posn wrapped around. */
569 REGISTER_ARG (dp->arg_index, type);
576 if (d->count >= d_allocated)
581 d_allocated = xtimes (d_allocated, 2);
582 memory_size = xtimes (d_allocated, sizeof (DIRECTIVE));
583 if (size_overflow_p (memory_size))
584 /* Overflow, would lead to out of memory. */
586 memory = (DIRECTIVE *) realloc (d->dir, memory_size);
593 #if CHAR_T_ONLY_ASCII
594 else if (!c_isascii (c))
596 /* Non-ASCII character. Not supported. */
601 d->dir[d->count].dir_start = cp;
603 d->max_width_length = max_width_length;
604 d->max_precision_length = max_precision_length;
628 #undef CHAR_T_ONLY_ASCII