diff options
Diffstat (limited to 'gl/printf-parse.c')
| -rw-r--r-- | gl/printf-parse.c | 162 |
1 files changed, 123 insertions, 39 deletions
diff --git a/gl/printf-parse.c b/gl/printf-parse.c index 9a86f773..28b9bd41 100644 --- a/gl/printf-parse.c +++ b/gl/printf-parse.c @@ -1,9 +1,9 @@ /* Formatted output to strings. - Copyright (C) 1999-2000, 2002-2003, 2006 Free Software Foundation, Inc. + Copyright (C) 1999-2000, 2002-2003, 2006-2008 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) + the Free Software Foundation; either version 3, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,42 +15,63 @@ 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> +/* This file can be parametrized with the following macros: + CHAR_T The element type of the format string. + CHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters + in the format string are ASCII. + DIRECTIVE Structure denoting a format directive. + Depends on CHAR_T. + DIRECTIVES Structure denoting the set of format directives of a + format string. Depends on CHAR_T. + PRINTF_PARSE Function that parses a format string. + Depends on CHAR_T. + STATIC Set to 'static' to declare the function static. + ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions. */ + +#ifndef PRINTF_PARSE +# include <config.h> +#endif /* Specification. */ -#if WIDE_CHAR_VERSION -# include "wprintf-parse.h" -#else +#ifndef PRINTF_PARSE # include "printf-parse.h" #endif +/* Default parameters. */ +#ifndef PRINTF_PARSE +# define PRINTF_PARSE printf_parse +# define CHAR_T char +# define DIRECTIVE char_directive +# define DIRECTIVES char_directives +#endif + /* Get size_t, NULL. */ #include <stddef.h> /* Get intmax_t. */ -#if HAVE_STDINT_H_WITH_UINTMAX +#if defined IN_LIBINTL || defined IN_LIBASPRINTF +# if HAVE_STDINT_H_WITH_UINTMAX +# include <stdint.h> +# endif +# if HAVE_INTTYPES_H_WITH_UINTMAX +# include <inttypes.h> +# endif +#else # include <stdint.h> #endif -#if HAVE_INTTYPES_H_WITH_UINTMAX -# include <inttypes.h> -#endif /* malloc(), realloc(), free(). */ #include <stdlib.h> +/* errno. */ +#include <errno.h> + /* Checked size_t computations. */ #include "xsize.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 +#if CHAR_T_ONLY_ASCII +/* c_isascii(). */ +# include "c-ctype.h" #endif #ifdef STATIC @@ -71,7 +92,7 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) d->dir = (DIRECTIVE *) malloc (d_allocated * sizeof (DIRECTIVE)); if (d->dir == NULL) /* Out of memory. */ - return -1; + goto out_of_memory_1; a->count = 0; a_allocated = 0; @@ -91,13 +112,13 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) memory_size = xtimes (a_allocated, sizeof (argument)); \ if (size_overflow_p (memory_size)) \ /* Overflow, would lead to out of memory. */ \ - goto error; \ + goto out_of_memory; \ memory = (argument *) (a->arg \ ? realloc (a->arg, memory_size) \ : malloc (memory_size)); \ if (memory == NULL) \ /* Out of memory. */ \ - goto error; \ + goto out_of_memory; \ a->arg = memory; \ } \ while (a->count <= n) \ @@ -115,7 +136,7 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) if (c == '%') { size_t arg_index = ARG_NONE; - DIRECTIVE *dp = &d->dir[d->count];/* pointer to next directive */ + DIRECTIVE *dp = &d->dir[d->count]; /* pointer to next directive */ /* Initialize the next directive. */ dp->dir_start = cp - 1; @@ -326,7 +347,6 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) flags += 8; cp++; } -#ifdef HAVE_INTMAX_T else if (*cp == 'j') { if (sizeof (intmax_t) > sizeof (long)) @@ -341,7 +361,6 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) } cp++; } -#endif else if (*cp == 'z' || *cp == 'Z') { /* 'z' is standardized in ISO C 99, but glibc uses 'Z' @@ -373,6 +392,44 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) } cp++; } +#if defined __APPLE__ && defined __MACH__ + /* On MacOS X 10.3, PRIdMAX is defined as "qd". + We cannot change it to "lld" because PRIdMAX must also + be understood by the system's printf routines. */ + else if (*cp == 'q') + { + if (64 / 8 > sizeof (long)) + { + /* int64_t = long long */ + flags += 16; + } + else + { + /* int64_t = long */ + flags += 8; + } + cp++; + } +#endif +#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ + /* On native Win32, PRIdMAX is defined as "I64d". + We cannot change it to "lld" because PRIdMAX must also + be understood by the system's printf routines. */ + else if (*cp == 'I' && cp[1] == '6' && cp[2] == '4') + { + if (64 / 8 > sizeof (long)) + { + /* __int64 = long long */ + flags += 16; + } + else + { + /* __int64 = long */ + flags += 8; + } + cp += 3; + } +#endif else break; } @@ -382,7 +439,7 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) switch (c) { case 'd': case 'i': -#ifdef HAVE_LONG_LONG_INT +#if HAVE_LONG_LONG_INT /* If 'long long' exists and is larger than 'long': */ if (flags >= 16 || (flags & 4)) type = TYPE_LONGLONGINT; @@ -400,7 +457,7 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) type = TYPE_INT; break; case 'o': case 'u': case 'x': case 'X': -#ifdef HAVE_LONG_LONG_INT +#if HAVE_LONG_LONG_INT /* If 'long long' exists and is larger than 'long': */ if (flags >= 16 || (flags & 4)) type = TYPE_ULONGLONGINT; @@ -419,16 +476,14 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) break; case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': case 'a': case 'A': -#ifdef HAVE_LONG_DOUBLE if (flags >= 16 || (flags & 4)) type = TYPE_LONGDOUBLE; else -#endif - type = TYPE_DOUBLE; + type = TYPE_DOUBLE; break; case 'c': if (flags >= 8) -#ifdef HAVE_WINT_T +#if HAVE_WINT_T type = TYPE_WIDE_CHAR; #else goto error; @@ -436,7 +491,7 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) else type = TYPE_CHAR; break; -#ifdef HAVE_WINT_T +#if HAVE_WINT_T case 'C': type = TYPE_WIDE_CHAR; c = 'c'; @@ -444,7 +499,7 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) #endif case 's': if (flags >= 8) -#ifdef HAVE_WCHAR_T +#if HAVE_WCHAR_T type = TYPE_WIDE_STRING; #else goto error; @@ -452,7 +507,7 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) else type = TYPE_STRING; break; -#ifdef HAVE_WCHAR_T +#if HAVE_WCHAR_T case 'S': type = TYPE_WIDE_STRING; c = 's'; @@ -462,7 +517,7 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) type = TYPE_POINTER; break; case 'n': -#ifdef HAVE_LONG_LONG_INT +#if HAVE_LONG_LONG_INT /* If 'long long' exists and is larger than 'long': */ if (flags >= 16 || (flags & 4)) type = TYPE_COUNT_LONGLONGINT_POINTER; @@ -479,6 +534,17 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) else type = TYPE_COUNT_INT_POINTER; break; +#if ENABLE_UNISTDIO + /* The unistdio extensions. */ + case 'U': + if (flags >= 16) + type = TYPE_U32_STRING; + else if (flags >= 8) + type = TYPE_U16_STRING; + else + type = TYPE_U8_STRING; + break; +#endif case '%': type = TYPE_NONE; break; @@ -514,14 +580,21 @@ PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) memory_size = xtimes (d_allocated, sizeof (DIRECTIVE)); if (size_overflow_p (memory_size)) /* Overflow, would lead to out of memory. */ - goto error; + goto out_of_memory; memory = (DIRECTIVE *) realloc (d->dir, memory_size); if (memory == NULL) /* Out of memory. */ - goto error; + goto out_of_memory; d->dir = memory; } } +#if CHAR_T_ONLY_ASCII + else if (!c_isascii (c)) + { + /* Non-ASCII character. Not supported. */ + goto error; + } +#endif } d->dir[d->count].dir_start = cp; @@ -534,10 +607,21 @@ error: free (a->arg); if (d->dir) free (d->dir); + errno = EINVAL; + return -1; + +out_of_memory: + if (a->arg) + free (a->arg); + if (d->dir) + free (d->dir); +out_of_memory_1: + errno = ENOMEM; return -1; } +#undef PRINTF_PARSE #undef DIRECTIVES #undef DIRECTIVE +#undef CHAR_T_ONLY_ASCII #undef CHAR_T -#undef PRINTF_PARSE |