xref: /haiku/src/system/libroot/posix/glibc/stdio-common/snprintf.c (revision fce4895d1884da5ae6fb299d23c735c598e690b1)
1 /* Copyright (C) 1991, 1995, 1997, 1998 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, write to the Free
16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17    02111-1307 USA.  */
18 
19 #include <stdarg.h>
20 #include <stdio.h>
21 
22 #ifdef USE_IN_LIBIO
23 # include <libio/libioP.h>
24 # define __vsnprintf(s, l, f, a) _IO_vsnprintf (s, l, f, a)
25 #endif
26 
27 int __snprintf(char *s, size_t maxlen, const char *format, ...);
28 
29 /* Write formatted output into S, according to the format
30    string FORMAT, writing no more than MAXLEN characters.  */
31 /* VARARGS3 */
32 int
33 __snprintf (char *s, size_t maxlen, const char *format, ...)
34 {
35   va_list arg;
36   int done;
37 
38   va_start (arg, format);
39   done = __vsnprintf (s, maxlen, format, arg);
40   va_end (arg);
41 
42   return done;
43 }
44 weak_alias (__snprintf, snprintf)
45