diff options
Diffstat (limited to 'lib/printf-parse.c')
| -rw-r--r-- | lib/printf-parse.c | 538 |
1 files changed, 0 insertions, 538 deletions
diff --git a/lib/printf-parse.c b/lib/printf-parse.c deleted file mode 100644 index 9493403eb..000000000 --- a/lib/printf-parse.c +++ /dev/null @@ -1,538 +0,0 @@ -/* Formatted output to strings. - This file is intended to provide exactly the same functionality - as the version in gnulib, but without the need for the xsize module. - - Copyright (C) 1999-2000, 2002-2003, 2006-2007 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <config.h> - -/* Specification. */ -#if WIDE_CHAR_VERSION -# include "wprintf-parse.h" -#else -# include "printf-parse.h" -#endif - -/* Get size_t, NULL. */ -#include <stddef.h> - -/* Get intmax_t, SIZE_MAX. */ -#include <stdint.h> - -/* malloc(), realloc(), free(). */ -#include <stdlib.h> - -#if WIDE_CHAR_VERSION -# define PRINTF_PARSE wprintf_parse -# define CHAR_T wchar_t -# define DIRECTIVE wchar_t_directive -# define DIRECTIVES wchar_t_directives -#else -# define PRINTF_PARSE printf_parse -# define CHAR_T char -# define DIRECTIVE char_directive -# define DIRECTIVES char_directives -#endif - -#ifdef STATIC -STATIC -#endif -int -PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) -{ - const CHAR_T *cp = format; /* pointer into format */ - size_t arg_posn = 0; /* number of regular arguments consumed */ - size_t d_allocated; /* allocated elements of d->dir */ - size_t a_allocated; /* allocated elements of a->arg */ - size_t max_width_length = 0; - size_t max_precision_length = 0; - - d->count = 0; - d_allocated = 1; - d->dir = malloc (d_allocated * sizeof (DIRECTIVE)); - if (d->dir == NULL) - /* Out of memory. */ - return -1; - - a->count = 0; - a_allocated = 0; - a->arg = NULL; - -#define REGISTER_ARG(_index_,_type_) \ - { \ - size_t n = (_index_); \ - if (n >= a_allocated) \ - { \ - size_t memory_size; \ - argument *memory; \ - \ - a_allocated *= 2; \ - if (a_allocated <= n) \ - a_allocated = n + 1; \ - if (SIZE_MAX / sizeof (argument) < a_allocated) \ - /* Overflow, would lead to out of memory. */ \ - goto error; \ - memory_size = a_allocated * sizeof (argument); \ - memory = (a->arg \ - ? realloc (a->arg, memory_size) \ - : malloc (memory_size)); \ - if (memory == NULL) \ - /* Out of memory. */ \ - goto error; \ - a->arg = memory; \ - } \ - while (a->count <= n) \ - a->arg[a->count++].type = TYPE_NONE; \ - if (a->arg[n].type == TYPE_NONE) \ - a->arg[n].type = (_type_); \ - else if (a->arg[n].type != (_type_)) \ - /* Ambiguous type for positional argument. */ \ - goto error; \ - } - - while (*cp != '\0') - { - CHAR_T c = *cp++; - if (c == '%') - { - size_t arg_index = ARG_NONE; - DIRECTIVE *dp = &d->dir[d->count];/* pointer to next directive */ - - /* Initialize the next directive. */ - dp->dir_start = cp - 1; - dp->flags = 0; - dp->width_start = NULL; - dp->width_end = NULL; - dp->width_arg_index = ARG_NONE; - dp->precision_start = NULL; - dp->precision_end = NULL; - dp->precision_arg_index = ARG_NONE; - dp->arg_index = ARG_NONE; - - /* Test for positional argument. */ - if (*cp >= '0' && *cp <= '9') - { - const CHAR_T *np; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - ; - if (*np == '$') - { - size_t n = 0; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - if (n < SIZE_MAX / 10) - n = 10 * n + (*np - '0'); - else - /* n too large for memory. */ - goto error; - if (n == 0) - /* Positional argument 0. */ - goto error; - arg_index = n - 1; - cp = np + 1; - } - } - - /* Read the flags. */ - for (;;) - { - if (*cp == '\'') - { - dp->flags |= FLAG_GROUP; - cp++; - } - else if (*cp == '-') - { - dp->flags |= FLAG_LEFT; - cp++; - } - else if (*cp == '+') - { - dp->flags |= FLAG_SHOWSIGN; - cp++; - } - else if (*cp == ' ') - { - dp->flags |= FLAG_SPACE; - cp++; - } - else if (*cp == '#') - { - dp->flags |= FLAG_ALT; - cp++; - } - else if (*cp == '0') - { - dp->flags |= FLAG_ZERO; - cp++; - } - else - break; - } - - /* Parse the field width. */ - if (*cp == '*') - { - dp->width_start = cp; - cp++; - dp->width_end = cp; - if (max_width_length < 1) - max_width_length = 1; - - /* Test for positional argument. */ - if (*cp >= '0' && *cp <= '9') - { - const CHAR_T *np; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - ; - if (*np == '$') - { - size_t n = 0; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - if (n < SIZE_MAX / 10) - n = 10 * n + (*np - '0'); - else - /* n too large for memory. */ - goto error; - if (n == 0) - /* Positional argument 0. */ - goto error; - dp->width_arg_index = n - 1; - cp = np + 1; - } - } - if (dp->width_arg_index == ARG_NONE) - { - dp->width_arg_index = arg_posn++; - if (dp->width_arg_index == ARG_NONE) - /* arg_posn wrapped around. */ - goto error; - } - REGISTER_ARG (dp->width_arg_index, TYPE_INT); - } - else if (*cp >= '0' && *cp <= '9') - { - size_t width_length; - - dp->width_start = cp; - for (; *cp >= '0' && *cp <= '9'; cp++) - ; - dp->width_end = cp; - width_length = dp->width_end - dp->width_start; - if (max_width_length < width_length) - max_width_length = width_length; - } - - /* Parse the precision. */ - if (*cp == '.') - { - cp++; - if (*cp == '*') - { - dp->precision_start = cp - 1; - cp++; - dp->precision_end = cp; - if (max_precision_length < 2) - max_precision_length = 2; - - /* Test for positional argument. */ - if (*cp >= '0' && *cp <= '9') - { - const CHAR_T *np; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - ; - if (*np == '$') - { - size_t n = 0; - - for (np = cp; *np >= '0' && *np <= '9'; np++) - if (n < SIZE_MAX / 10) - n = 10 * n + (*np - '0'); - else - /* n too large for memory. */ - goto error; - if (n == 0) - /* Positional argument 0. */ - goto error; - dp->precision_arg_index = n - 1; - cp = np + 1; - } - } - if (dp->precision_arg_index == ARG_NONE) - { - dp->precision_arg_index = arg_posn++; - if (dp->precision_arg_index == ARG_NONE) - /* arg_posn wrapped around. */ - goto error; - } - REGISTER_ARG (dp->precision_arg_index, TYPE_INT); - } - else - { - size_t precision_length; - - dp->precision_start = cp - 1; - for (; *cp >= '0' && *cp <= '9'; cp++) - ; - dp->precision_end = cp; - precision_length = dp->precision_end - dp->precision_start; - if (max_precision_length < precision_length) - max_precision_length = precision_length; - } - } - - { - arg_type type; - - /* Parse argument type/size specifiers. */ - { - int flags = 0; - - for (;;) - { - if (*cp == 'h') - { - flags |= (1 << (flags & 1)); - cp++; - } - else if (*cp == 'L') - { - flags |= 4; - cp++; - } - else if (*cp == 'l') - { - flags += 8; - cp++; - } -#if HAVE_INTMAX_T - else if (*cp == 'j') - { - if (sizeof (intmax_t) > sizeof (long)) - { - /* intmax_t = long long */ - flags += 16; - } - else if (sizeof (intmax_t) > sizeof (int)) - { - /* intmax_t = long */ - flags += 8; - } - cp++; - } -#endif - else if (*cp == 'z' || *cp == 'Z') - { - /* 'z' is standardized in ISO C 99, but glibc uses 'Z' - because the warning facility in gcc-2.95.2 understands - only 'Z' (see gcc-2.95.2/gcc/c-common.c:1784). */ - if (sizeof (size_t) > sizeof (long)) - { - /* size_t = long long */ - flags += 16; - } - else if (sizeof (size_t) > sizeof (int)) - { - /* size_t = long */ - flags += 8; - } - cp++; - } - else if (*cp == 't') - { - if (sizeof (ptrdiff_t) > sizeof (long)) - { - /* ptrdiff_t = long long */ - flags += 16; - } - else if (sizeof (ptrdiff_t) > sizeof (int)) - { - /* ptrdiff_t = long */ - flags += 8; - } - cp++; - } - else - break; - } - - /* Read the conversion character. */ - c = *cp++; - switch (c) - { - case 'd': case 'i': -#if HAVE_LONG_LONG_INT - /* If 'long long' exists and is larger than 'long': */ - if (flags >= 16 || (flags & 4)) - type = TYPE_LONGLONGINT; - else -#endif - /* If 'long long' exists and is the same as 'long', we parse - "lld" into TYPE_LONGINT. */ - if (flags >= 8) - type = TYPE_LONGINT; - else if (flags & 2) - type = TYPE_SCHAR; - else if (flags & 1) - type = TYPE_SHORT; - else - type = TYPE_INT; - break; - case 'o': case 'u': case 'x': case 'X': -#if HAVE_LONG_LONG_INT - /* If 'long long' exists and is larger than 'long': */ - if (flags >= 16 || (flags & 4)) - type = TYPE_ULONGLONGINT; - else -#endif - /* If 'unsigned long long' exists and is the same as - 'unsigned long', we parse "llu" into TYPE_ULONGINT. */ - if (flags >= 8) - type = TYPE_ULONGINT; - else if (flags & 2) - type = TYPE_UCHAR; - else if (flags & 1) - type = TYPE_USHORT; - else - type = TYPE_UINT; - break; - case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': - case 'a': case 'A': -#if HAVE_LONG_DOUBLE - if (flags >= 16 || (flags & 4)) - type = TYPE_LONGDOUBLE; - else -#endif - type = TYPE_DOUBLE; - break; - case 'c': - if (flags >= 8) -#if HAVE_WINT_T - type = TYPE_WIDE_CHAR; -#else - goto error; -#endif - else - type = TYPE_CHAR; - break; -#if HAVE_WINT_T - case 'C': - type = TYPE_WIDE_CHAR; - c = 'c'; - break; -#endif - case 's': - if (flags >= 8) -#if HAVE_WCHAR_T - type = TYPE_WIDE_STRING; -#else - goto error; -#endif - else - type = TYPE_STRING; - break; -#if HAVE_WCHAR_T - case 'S': - type = TYPE_WIDE_STRING; - c = 's'; - break; -#endif - case 'p': - type = TYPE_POINTER; - break; - case 'n': -#if HAVE_LONG_LONG_INT - /* If 'long long' exists and is larger than 'long': */ - if (flags >= 16 || (flags & 4)) - type = TYPE_COUNT_LONGLONGINT_POINTER; - else -#endif - /* If 'long long' exists and is the same as 'long', we parse - "lln" into TYPE_COUNT_LONGINT_POINTER. */ - if (flags >= 8) - type = TYPE_COUNT_LONGINT_POINTER; - else if (flags & 2) - type = TYPE_COUNT_SCHAR_POINTER; - else if (flags & 1) - type = TYPE_COUNT_SHORT_POINTER; - else - type = TYPE_COUNT_INT_POINTER; - break; - case '%': - type = TYPE_NONE; - break; - default: - /* Unknown conversion character. */ - goto error; - } - } - - if (type != TYPE_NONE) - { - dp->arg_index = arg_index; - if (dp->arg_index == ARG_NONE) - { - dp->arg_index = arg_posn++; - if (dp->arg_index == ARG_NONE) - /* arg_posn wrapped around. */ - goto error; - } - REGISTER_ARG (dp->arg_index, type); - } - dp->conversion = c; - dp->dir_end = cp; - } - - d->count++; - if (d->count >= d_allocated) - { - DIRECTIVE *memory; - - if (SIZE_MAX / (2 * sizeof (DIRECTIVE)) < d_allocated) - /* Overflow, would lead to out of memory. */ - goto error; - d_allocated *= 2; - memory = realloc (d->dir, d_allocated * sizeof (DIRECTIVE)); - if (memory == NULL) - /* Out of memory. */ - goto error; - d->dir = memory; - } - } - } - d->dir[d->count].dir_start = cp; - - d->max_width_length = max_width_length; - d->max_precision_length = max_precision_length; - return 0; - -error: - if (a->arg) - free (a->arg); - if (d->dir) - free (d->dir); - return -1; -} - -#undef DIRECTIVES -#undef DIRECTIVE -#undef CHAR_T -#undef PRINTF_PARSE |