libc/stdlib/mktemp.c

   1 /* Copyright (C) 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 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 not,
  16    see <http://www.gnu.org/licenses/>.  */
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include "../misc/internals/tempname.h"
  21
  22 /* Generate a unique temporary file name from TEMPLATE.
  23  * The last six characters of TEMPLATE must be "XXXXXX";
  24  * they are replaced with a string that makes the filename unique.  */
  25 char *mktemp(char *template)
  26 {
  27         if (__gen_tempname (template, __GT_NOCREATE, 0,0, 0) < 0)
  28                 /* We return the null string if we can't find a unique file name.  */
  29                 template[0] = '\0';
  30
  31         return template;
  32 }