src/system/libroot/posix/glibc/stdio-common/snprintf.c

   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)