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Annotation of OpenXM_contrib/gmp/scanf/vsscanf.c, Revision 1.1.1.1

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: }