1 /* gmp_sprintf -- formatted output to an unrestricted 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 3 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. If not, see http://www.gnu.org/licenses/. */
19
20 #include "config.h"
21
22 #if HAVE_STDARG
23 #include <stdarg.h>
24 #else
25 #include <varargs.h>
26 #endif
27
28 #include <string.h> /* for strlen */
29
30 #include "gmp.h"
31 #include "gmp-impl.h"
32
33
34 int
35 #if HAVE_STDARG
gmp_sprintf(char * buf,const char * fmt,...)36 gmp_sprintf (char *buf, const char *fmt, ...)
37 #else
38 gmp_sprintf (va_alist)
39 va_dcl
40 #endif
41 {
42 #if WANT_ASSERT
43 int fmtlen = strlen(fmt);
44 #endif
45 va_list ap;
46 int ret;
47
48 #if HAVE_STDARG
49 va_start (ap, fmt);
50 #else
51 char *buf;
52 const char *fmt;
53 va_start (ap);
54 buf = va_arg (ap, char *);
55 fmt = va_arg (ap, const char *);
56 #endif
57
58 ret = __gmp_doprnt (&__gmp_sprintf_funs, &buf, fmt, ap);
59 va_end (ap);
60
61 ASSERT (! MEM_OVERLAP_P (buf, strlen(buf)+1, fmt, fmtlen+1));
62
63 return ret;
64 }
65