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, 2006-2011 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(). */
74 /* Checked size_t computations. */
86 PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a)
88 const CHAR_T *cp = format; /* pointer into format */
89 size_t arg_posn = 0; /* number of regular arguments consumed */
90 size_t d_allocated; /* allocated elements of d->dir */
91 size_t a_allocated; /* allocated elements of a->arg */
92 size_t max_width_length = 0;
93 size_t max_precision_length = 0;
96 d_allocated = N_DIRECT_ALLOC_DIRECTIVES;
97 d->dir = d->direct_alloc_dir;
100 a_allocated = N_DIRECT_ALLOC_ARGUMENTS;
101 a->arg = a->direct_alloc_arg;
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 != a->direct_alloc_arg \
119 ? realloc (a->arg, memory_size) \
120 : malloc (memory_size)); \
121 if (memory == NULL) \
122 /* Out of memory. */ \
123 goto out_of_memory; \
124 if (a->arg == a->direct_alloc_arg) \
125 memcpy (memory, a->arg, a->count * sizeof (argument)); \
128 while (a->count <= n) \
129 a->arg[a->count++].type = TYPE_NONE; \
130 if (a->arg[n].type == TYPE_NONE) \
131 a->arg[n].type = (_type_); \
132 else if (a->arg[n].type != (_type_)) \
133 /* Ambiguous type for positional argument. */ \
142 size_t arg_index = ARG_NONE;
143 DIRECTIVE *dp = &d->dir[d->count]; /* pointer to next directive */
145 /* Initialize the next directive. */
146 dp->dir_start = cp - 1;
148 dp->width_start = NULL;
149 dp->width_end = NULL;
150 dp->width_arg_index = ARG_NONE;
151 dp->precision_start = NULL;
152 dp->precision_end = NULL;
153 dp->precision_arg_index = ARG_NONE;
154 dp->arg_index = ARG_NONE;
156 /* Test for positional argument. */
157 if (*cp >= '0' && *cp <= '9')
161 for (np = cp; *np >= '0' && *np <= '9'; np++)
167 for (np = cp; *np >= '0' && *np <= '9'; np++)
168 n = xsum (xtimes (n, 10), *np - '0');
170 /* Positional argument 0. */
172 if (size_overflow_p (n))
173 /* n too large, would lead to out of memory later. */
180 /* Read the flags. */
185 dp->flags |= FLAG_GROUP;
190 dp->flags |= FLAG_LEFT;
195 dp->flags |= FLAG_SHOWSIGN;
200 dp->flags |= FLAG_SPACE;
205 dp->flags |= FLAG_ALT;
210 dp->flags |= FLAG_ZERO;
213 #if __GLIBC__ >= 2 && !defined __UCLIBC__
216 dp->flags |= FLAG_LOCALIZED;
224 /* Parse the field width. */
227 dp->width_start = cp;
230 if (max_width_length < 1)
231 max_width_length = 1;
233 /* Test for positional argument. */
234 if (*cp >= '0' && *cp <= '9')
238 for (np = cp; *np >= '0' && *np <= '9'; np++)
244 for (np = cp; *np >= '0' && *np <= '9'; np++)
245 n = xsum (xtimes (n, 10), *np - '0');
247 /* Positional argument 0. */
249 if (size_overflow_p (n))
250 /* n too large, would lead to out of memory later. */
252 dp->width_arg_index = n - 1;
256 if (dp->width_arg_index == ARG_NONE)
258 dp->width_arg_index = arg_posn++;
259 if (dp->width_arg_index == ARG_NONE)
260 /* arg_posn wrapped around. */
263 REGISTER_ARG (dp->width_arg_index, TYPE_INT);
265 else if (*cp >= '0' && *cp <= '9')
269 dp->width_start = cp;
270 for (; *cp >= '0' && *cp <= '9'; cp++)
273 width_length = dp->width_end - dp->width_start;
274 if (max_width_length < width_length)
275 max_width_length = width_length;
278 /* Parse the precision. */
284 dp->precision_start = cp - 1;
286 dp->precision_end = cp;
287 if (max_precision_length < 2)
288 max_precision_length = 2;
290 /* Test for positional argument. */
291 if (*cp >= '0' && *cp <= '9')
295 for (np = cp; *np >= '0' && *np <= '9'; np++)
301 for (np = cp; *np >= '0' && *np <= '9'; np++)
302 n = xsum (xtimes (n, 10), *np - '0');
304 /* Positional argument 0. */
306 if (size_overflow_p (n))
307 /* n too large, would lead to out of memory
310 dp->precision_arg_index = n - 1;
314 if (dp->precision_arg_index == ARG_NONE)
316 dp->precision_arg_index = arg_posn++;
317 if (dp->precision_arg_index == ARG_NONE)
318 /* arg_posn wrapped around. */
321 REGISTER_ARG (dp->precision_arg_index, TYPE_INT);
325 size_t precision_length;
327 dp->precision_start = cp - 1;
328 for (; *cp >= '0' && *cp <= '9'; cp++)
330 dp->precision_end = cp;
331 precision_length = dp->precision_end - dp->precision_start;
332 if (max_precision_length < precision_length)
333 max_precision_length = precision_length;
340 /* Parse argument type/size specifiers. */
348 flags |= (1 << (flags & 1));
363 if (sizeof (intmax_t) > sizeof (long))
365 /* intmax_t = long long */
368 else if (sizeof (intmax_t) > sizeof (int))
370 /* intmax_t = long */
375 else if (*cp == 'z' || *cp == 'Z')
377 /* 'z' is standardized in ISO C 99, but glibc uses 'Z'
378 because the warning facility in gcc-2.95.2 understands
379 only 'Z' (see gcc-2.95.2/gcc/c-common.c:1784). */
380 if (sizeof (size_t) > sizeof (long))
382 /* size_t = long long */
385 else if (sizeof (size_t) > sizeof (int))
394 if (sizeof (ptrdiff_t) > sizeof (long))
396 /* ptrdiff_t = long long */
399 else if (sizeof (ptrdiff_t) > sizeof (int))
401 /* ptrdiff_t = long */
406 #if defined __APPLE__ && defined __MACH__
407 /* On MacOS X 10.3, PRIdMAX is defined as "qd".
408 We cannot change it to "lld" because PRIdMAX must also
409 be understood by the system's printf routines. */
412 if (64 / 8 > sizeof (long))
414 /* int64_t = long long */
425 #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
426 /* On native Win32, PRIdMAX is defined as "I64d".
427 We cannot change it to "lld" because PRIdMAX must also
428 be understood by the system's printf routines. */
429 else if (*cp == 'I' && cp[1] == '6' && cp[2] == '4')
431 if (64 / 8 > sizeof (long))
433 /* __int64 = long long */
448 /* Read the conversion character. */
453 #if HAVE_LONG_LONG_INT
454 /* If 'long long' exists and is larger than 'long': */
455 if (flags >= 16 || (flags & 4))
456 type = TYPE_LONGLONGINT;
459 /* If 'long long' exists and is the same as 'long', we parse
460 "lld" into TYPE_LONGINT. */
470 case 'o': case 'u': case 'x': case 'X':
471 #if HAVE_LONG_LONG_INT
472 /* If 'long long' exists and is larger than 'long': */
473 if (flags >= 16 || (flags & 4))
474 type = TYPE_ULONGLONGINT;
477 /* If 'unsigned long long' exists and is the same as
478 'unsigned long', we parse "llu" into TYPE_ULONGINT. */
480 type = TYPE_ULONGINT;
488 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
490 if (flags >= 16 || (flags & 4))
491 type = TYPE_LONGDOUBLE;
498 type = TYPE_WIDE_CHAR;
507 type = TYPE_WIDE_CHAR;
514 type = TYPE_WIDE_STRING;
523 type = TYPE_WIDE_STRING;
531 #if HAVE_LONG_LONG_INT
532 /* If 'long long' exists and is larger than 'long': */
533 if (flags >= 16 || (flags & 4))
534 type = TYPE_COUNT_LONGLONGINT_POINTER;
537 /* If 'long long' exists and is the same as 'long', we parse
538 "lln" into TYPE_COUNT_LONGINT_POINTER. */
540 type = TYPE_COUNT_LONGINT_POINTER;
542 type = TYPE_COUNT_SCHAR_POINTER;
544 type = TYPE_COUNT_SHORT_POINTER;
546 type = TYPE_COUNT_INT_POINTER;
549 /* The unistdio extensions. */
552 type = TYPE_U32_STRING;
554 type = TYPE_U16_STRING;
556 type = TYPE_U8_STRING;
563 /* Unknown conversion character. */
568 if (type != TYPE_NONE)
570 dp->arg_index = arg_index;
571 if (dp->arg_index == ARG_NONE)
573 dp->arg_index = arg_posn++;
574 if (dp->arg_index == ARG_NONE)
575 /* arg_posn wrapped around. */
578 REGISTER_ARG (dp->arg_index, type);
585 if (d->count >= d_allocated)
590 d_allocated = xtimes (d_allocated, 2);
591 memory_size = xtimes (d_allocated, sizeof (DIRECTIVE));
592 if (size_overflow_p (memory_size))
593 /* Overflow, would lead to out of memory. */
595 memory = (DIRECTIVE *) (d->dir != d->direct_alloc_dir
596 ? realloc (d->dir, memory_size)
597 : malloc (memory_size));
601 if (d->dir == d->direct_alloc_dir)
602 memcpy (memory, d->dir, d->count * sizeof (DIRECTIVE));
606 #if CHAR_T_ONLY_ASCII
607 else if (!c_isascii (c))
609 /* Non-ASCII character. Not supported. */
614 d->dir[d->count].dir_start = cp;
616 d->max_width_length = max_width_length;
617 d->max_precision_length = max_precision_length;
621 if (a->arg != a->direct_alloc_arg)
623 if (d->dir != d->direct_alloc_dir)
629 if (a->arg != a->direct_alloc_arg)
631 if (d->dir != d->direct_alloc_dir)
640 #undef CHAR_T_ONLY_ASCII