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Annotation of OpenXM_contrib/gmp/scanf/vsscanf.c, Revision 1.1

1.1     ! ohara       1: /* gmp_vsscanf -- formatted input from a string.
        !             2:
        !             3: Copyright 2001 Free Software Foundation, Inc.
        !             4:
        !             5: This file is part of the GNU MP Library.
        !             6:
        !             7: The GNU MP Library is free software; you can redistribute it and/or modify
        !             8: it under the terms of the GNU Lesser General Public License as published by
        !             9: the Free Software Foundation; either version 2.1 of the License, or (at your
        !            10: option) any later version.
        !            11:
        !            12: The GNU MP Library is distributed in the hope that it will be useful, but
        !            13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
        !            15: License for more details.
        !            16:
        !            17: You should have received a copy of the GNU Lesser General Public License
        !            18: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            20: MA 02111-1307, USA. */
        !            21:
        !            22: #include "config.h"
        !            23:
        !            24: #if HAVE_STDARG
        !            25: #include <stdarg.h>
        !            26: #else
        !            27: #include <varargs.h>
        !            28: #endif
        !            29:
        !            30: #include "gmp.h"
        !            31: #include "gmp-impl.h"
        !            32:
        !            33:
        !            34: int
        !            35: gmp_vsscanf (const char *s, const char *fmt, va_list ap)
        !            36: {
        !            37: #if SSCANF_WRITABLE_INPUT
        !            38:   /* We only actually need this if there's standard C types in fmt, and if
        !            39:      "s" is not already writable, but it's too much trouble to check that,
        !            40:      and in any case this writable sscanf input business is only for a few
        !            41:      old systems. */
        !            42:   size_t size;
        !            43:   char   *alloc;
        !            44:   int    ret;
        !            45:   size = strlen (s) + 1;
        !            46:   alloc = (char *) (*__gmp_allocate_func) (size);
        !            47:   memcpy (alloc, s, size);
        !            48:   s = alloc;
        !            49:   ret = __gmp_doscan (&__gmp_sscanf_funs, (void *) &s, fmt, ap);
        !            50:   (*__gmp_free_func) (alloc, size);
        !            51:   return ret;
        !            52:
        !            53: #else
        !            54:   return __gmp_doscan (&__gmp_sscanf_funs, (void *) &s, fmt, ap);
        !            55: #endif
        !            56: }