1 /* gmp_vsscanf -- formatted input from a string.
3 Copyright 2001, 2002 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of either:
10 * the GNU Lesser General Public License as published by the Free
11 Software Foundation; either version 3 of the License, or (at your
12 option) any later version.
16 * the GNU General Public License as published by the Free Software
17 Foundation; either version 2 of the License, or (at your option) any
20 or both in parallel, as here.
22 The GNU MP Library is distributed in the hope that it will be useful, but
23 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
24 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
27 You should have received copies of the GNU General Public License and the
28 GNU Lesser General Public License along with the GNU MP Library. If not,
29 see https://www.gnu.org/licenses/. */
40 gmp_vsscanf (const char *s
, const char *fmt
, va_list ap
)
42 #if SSCANF_WRITABLE_INPUT
43 /* We only actually need this if there's standard C types in fmt, and if
44 "s" is not already writable, but it's too much trouble to check that,
45 and in any case this writable sscanf input business is only for a few
50 size
= strlen (s
) + 1;
51 alloc
= (char *) (*__gmp_allocate_func
) (size
);
52 memcpy (alloc
, s
, size
);
54 ret
= __gmp_doscan (&__gmp_sscanf_funs
, (void *) &s
, fmt
, ap
);
55 (*__gmp_free_func
) (alloc
, size
);
59 return __gmp_doscan (&__gmp_sscanf_funs
, (void *) &s
, fmt
, ap
);