59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* gmp_vsscanf -- formatted input from a string.
|
|
|
|
Copyright 2001, 2002 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU MP Library.
|
|
|
|
The GNU MP Library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The GNU MP Library 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 Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#include "config.h"
|
|
|
|
#if HAVE_STDARG
|
|
#include <stdarg.h>
|
|
#else
|
|
#include <varargs.h>
|
|
#endif
|
|
|
|
#include <string.h>
|
|
|
|
#include "gmp.h"
|
|
#include "gmp-impl.h"
|
|
|
|
|
|
int
|
|
gmp_vsscanf (const char *s, const char *fmt, va_list ap)
|
|
{
|
|
#if SSCANF_WRITABLE_INPUT
|
|
/* We only actually need this if there's standard C types in fmt, and if
|
|
"s" is not already writable, but it's too much trouble to check that,
|
|
and in any case this writable sscanf input business is only for a few
|
|
old systems. */
|
|
size_t size;
|
|
char *alloc;
|
|
int ret;
|
|
size = strlen (s) + 1;
|
|
alloc = (char *) (*__gmp_allocate_func) (size);
|
|
memcpy (alloc, s, size);
|
|
s = alloc;
|
|
ret = __gmp_doscan (&__gmp_sscanf_funs, (void *) &s, fmt, ap);
|
|
(*__gmp_free_func) (alloc, size);
|
|
return ret;
|
|
|
|
#else
|
|
return __gmp_doscan (&__gmp_sscanf_funs, (void *) &s, fmt, ap);
|
|
#endif
|
|
}
|