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Diffstat (limited to 'gcc-4.7/libiberty/vasprintf.c')
| -rw-r--r-- | gcc-4.7/libiberty/vasprintf.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/gcc-4.7/libiberty/vasprintf.c b/gcc-4.7/libiberty/vasprintf.c deleted file mode 100644 index 85de5429f..000000000 --- a/gcc-4.7/libiberty/vasprintf.c +++ /dev/null @@ -1,197 +0,0 @@ -/* Like vsprintf but provides a pointer to malloc'd storage, which must - be freed by the caller. - Copyright (C) 1994, 2003, 2011 Free Software Foundation, Inc. - -This file is part of the libiberty library. -Libiberty is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public -License as published by the Free Software Foundation; either -version 2 of the License, or (at your option) any later version. - -Libiberty 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with libiberty; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, -Boston, MA 02110-1301, USA. */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include <ansidecl.h> -#include <stdarg.h> -#if !defined (va_copy) && defined (__va_copy) -# define va_copy(d,s) __va_copy((d),(s)) -#endif -#include <stdio.h> -#ifdef HAVE_STRING_H -#include <string.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#else -extern unsigned long strtoul (); -extern PTR malloc (); -#endif -#include "libiberty.h" - -#ifdef TEST -int global_total_width; -#endif - -/* - -@deftypefn Extension int vasprintf (char **@var{resptr}, @ - const char *@var{format}, va_list @var{args}) - -Like @code{vsprintf}, but instead of passing a pointer to a buffer, -you pass a pointer to a pointer. This function will compute the size -of the buffer needed, allocate memory with @code{malloc}, and store a -pointer to the allocated memory in @code{*@var{resptr}}. The value -returned is the same as @code{vsprintf} would return. If memory could -not be allocated, minus one is returned and @code{NULL} is stored in -@code{*@var{resptr}}. - -@end deftypefn - -*/ - -static int int_vasprintf (char **, const char *, va_list); - -static int -int_vasprintf (char **result, const char *format, va_list args) -{ - const char *p = format; - /* Add one to make sure that it is never zero, which might cause malloc - to return NULL. */ - int total_width = strlen (format) + 1; - va_list ap; - -#ifdef va_copy - va_copy (ap, args); -#else - memcpy ((PTR) &ap, (PTR) &args, sizeof (va_list)); -#endif - - while (*p != '\0') - { - if (*p++ == '%') - { - while (strchr ("-+ #0", *p)) - ++p; - if (*p == '*') - { - ++p; - total_width += abs (va_arg (ap, int)); - } - else - total_width += strtoul (p, (char **) &p, 10); - if (*p == '.') - { - ++p; - if (*p == '*') - { - ++p; - total_width += abs (va_arg (ap, int)); - } - else - total_width += strtoul (p, (char **) &p, 10); - } - while (strchr ("hlL", *p)) - ++p; - /* Should be big enough for any format specifier except %s and floats. */ - total_width += 30; - switch (*p) - { - case 'd': - case 'i': - case 'o': - case 'u': - case 'x': - case 'X': - case 'c': - (void) va_arg (ap, int); - break; - case 'f': - case 'e': - case 'E': - case 'g': - case 'G': - (void) va_arg (ap, double); - /* Since an ieee double can have an exponent of 307, we'll - make the buffer wide enough to cover the gross case. */ - total_width += 307; - break; - case 's': - total_width += strlen (va_arg (ap, char *)); - break; - case 'p': - case 'n': - (void) va_arg (ap, char *); - break; - } - p++; - } - } -#ifdef va_copy - va_end (ap); -#endif -#ifdef TEST - global_total_width = total_width; -#endif - *result = (char *) malloc (total_width); - if (*result != NULL) - return vsprintf (*result, format, args); - else - return -1; -} - -int -vasprintf (char **result, const char *format, -#if defined (_BSD_VA_LIST_) && defined (__FreeBSD__) - _BSD_VA_LIST_ args) -#else - va_list args) -#endif -{ - return int_vasprintf (result, format, args); -} - -#ifdef TEST -static void ATTRIBUTE_PRINTF_1 -checkit (const char *format, ...) -{ - char *result; - VA_OPEN (args, format); - VA_FIXEDARG (args, const char *, format); - vasprintf (&result, format, args); - VA_CLOSE (args); - - if (strlen (result) < (size_t) global_total_width) - printf ("PASS: "); - else - printf ("FAIL: "); - printf ("%d %s\n", global_total_width, result); - - free (result); -} - -extern int main (void); - -int -main (void) -{ - checkit ("%d", 0x12345678); - checkit ("%200d", 5); - checkit ("%.300d", 6); - checkit ("%100.150d", 7); - checkit ("%s", "jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\ -777777777777777777333333333333366666666666622222222222777777777777733333"); - checkit ("%f%s%d%s", 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx"); - - return 0; -} -#endif /* TEST */ |