stdio-common/snprintf.c

   1 /* Copyright (C) 1991, 1995, 1997, 1998, 2004, 2006
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <stdarg.h>
  21 #include <stdio.h>
  22 #include <libioP.h>
  23 #define __vsnprintf(s, l, f, a) _IO_vsnprintf (s, l, f, a)
  24
  25 /* Write formatted output into S, according to the format
  26    string FORMAT, writing no more than MAXLEN characters.  */
  27 /* VARARGS3 */
  28 int
  29 __snprintf (char *s, size_t maxlen, const char *format, ...)
  30 {
  31   va_list arg;
  32   int done;
  33
  34   va_start (arg, format);
  35   done = __vsnprintf (s, maxlen, format, arg);
  36   va_end (arg);
  37
  38   return done;
  39 }
  40 ldbl_weak_alias (__snprintf, snprintf)