diff options
Diffstat (limited to 'src/vasprintf.c')
| -rw-r--r-- | src/vasprintf.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/vasprintf.c b/src/vasprintf.c deleted file mode 100644 index 4c40131..0000000 --- a/src/vasprintf.c +++ /dev/null @@ -1,206 +0,0 @@ -/* Like vsprintf but provides a pointer to malloc'd storage, which must - be freed by the caller. - Copyright (C) 1994, 2002 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., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <stdarg.h> - - -#ifndef va_copy /* According to POSIX, va_copy is a macro. */ -#if defined (__GNUC__) && defined (__PPC__) \ - && (defined (_CALL_SYSV) || defined (_WIN32)) -#define va_copy(d, s) (*(d) = *(s)) -#elif defined (MUST_COPY_VA_BYVAL) -#define va_copy(d, s) ((d) = (s)) -#else -#define va_copy(d, s) memcpy ((d), (s), sizeof (va_list)) -#endif -#endif - - -#ifdef TEST -int global_total_width; -#endif - -static int int_vasprintf (char **, const char *, va_list *); - -static int -int_vasprintf (result, format, args) - char **result; - const char *format; - va_list *args; -{ -#ifdef HAVE_W32CE_SYSTEM - /* No va_copy and the replacement above doesn't work. */ -#define MAX_STRLEN 256 - *result = malloc (MAX_STRLEN); - if (*result != NULL) - { - int res = _vsnprintf (*result, MAX_STRLEN, format, *args); - (*result)[MAX_STRLEN - 1] = '\0'; - return res; - } - else - return 0; -#else - 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; - - va_copy (ap, *args); - - 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': - { - char *tmp = va_arg (ap, char *); - if (tmp) - total_width += strlen (tmp); - else /* in case the vsprintf does prints a text */ - total_width += 25; /* e.g. "(null pointer reference)" */ - } - break; - case 'p': - case 'n': - (void) va_arg (ap, char *); - break; - } - p++; - } - } -#ifdef TEST - global_total_width = total_width; -#endif - *result = malloc (total_width); - if (*result != NULL) - return vsprintf (*result, format, *args); - else - return 0; -#endif -} - -int -vasprintf (result, format, args) - 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); -} - - -int -asprintf (char **buf, const char *fmt, ...) -{ - int status; - va_list ap; - - va_start (ap, fmt); - status = vasprintf (buf, fmt, ap); - va_end (ap); - return status; -} - - -#ifdef TEST -void -checkit (const char* format, ...) -{ - va_list args; - char *result; - - va_start (args, format); - vasprintf (&result, format, args); - if (strlen (result) < global_total_width) - printf ("PASS: "); - else - printf ("FAIL: "); - printf ("%d %s\n", global_total_width, result); -} - -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"); -} -#endif /* TEST */ |