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This commit was generated by cvs2svn to compensate for changes in r81414,

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This commit is contained in:
Peter Wemm 2001-08-10 10:05:43 +00:00
parent a2b4cbc808
commit a86e31b209
1 changed files with 0 additions and 175 deletions
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175
contrib/cvs/lib/vasprintf.c
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@ -1,175 +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 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. */
#include <stdio.h>
#include <string.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#ifdef TEST
int global_total_width;
#endif
#ifdef STDC_HEADERS
#include <stdlib.h>
#else
extern int abs ();
extern unsigned long strtoul ();
extern char *malloc ();
#endif
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, (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. */
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);
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;
{
#ifdef VA_LIST_IS_ARRAY
/* If va_list is an array, we do not need the additional indirection */
return int_vasprintf (result, format, args);
#else
/* va_list is some sort of pointer */
return int_vasprintf (result, format, &args);
#endif
}
#ifdef TEST
void
checkit
#ifdef __STDC__
(const char* format, ...)
#else
(va_alist)
va_dcl
#endif
{
va_list args;
char *result;
#ifdef __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 */