stdio/snprintf.c

   1 /* Copyright (C) 1991 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <stdarg.h>
  21 #include <stdio.h>
  22
  23
  24 /* Write formatted output into S, according to the format
  25    string FORMAT, writing no more than MAXLEN characters.  */
  26 /* VARARGS3 */
  27 int
  28 DEFUN(snprintf, (s, maxlen, format),
  29       char *s AND size_t maxlen AND CONST char *format DOTS)
  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 }