diff options
Diffstat (limited to 'support/vasprintf.c')
| -rw-r--r-- | support/vasprintf.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/support/vasprintf.c b/support/vasprintf.c deleted file mode 100644 index 64e06b88..00000000 --- a/support/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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif - -#include <stdio.h> -#include <string.h> - -#if __STDC__ -# include <stdarg.h> -#else -# include <varargs.h> -#endif - -#ifdef TEST -int global_total_width; -#endif - -unsigned long strtoul (); -char *malloc (); - -static int -int_vasprintf (result, format, args) - 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; - - memcpy (&ap, args, sizeof (va_list)); - - 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, &p, 10); - if (*p == '.') - { - ++p; - if (*p == '*') - { - ++p; - total_width += abs (va_arg (ap, int)); - } - else - total_width += strtoul (p, &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; - } - } - } -#ifdef TEST - global_total_width = total_width; -#endif - *result = malloc (total_width); - if (*result != NULL) - return vsprintf (*result, format, *args); - else - return 0; -} - -int -vasprintf (result, format, args) - char **result; - const char *format; - va_list args; -{ - return int_vasprintf (result, format, &args); -} - -int -asprintf -#if __STDC__ - (char **result, const char *format, ...) -#else - (result, va_alist) - char **result; - va_dcl -#endif -{ - va_list args; - int done; - -#if __STDC__ - va_start (args, format); -#else - char *format; - va_start (args); - format = va_arg (args, char *); -#endif - done = vasprintf (result, format, args); - va_end (args); - - return done; -} - -#ifdef TEST -void -checkit -#if __STDC__ - (const char* format, ...) -#else - (va_alist) - va_dcl -#endif -{ - va_list args; - char *result; - -#if __STDC__ - va_start (args, format); -#else - char *format; - va_start (args); - format = va_arg (args, char *); -#endif - 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 () -{ - 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 */ |