(root)/
glibc-2.38/
misc/
mkstemps.c
       1  /* Copyright (C) 2009-2023 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, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <fcntl.h>
      20  #include <stdio.h>
      21  #include <stdlib.h>
      22  
      23  #ifndef __GT_FILE
      24  # define __GT_FILE 0
      25  #endif
      26  
      27  /* Generate a unique temporary file name from TEMPLATE.  The last six
      28     characters before a suffix of length SUFFIXLEN of TEMPLATE must be
      29     "XXXXXX"; they are replaced with a string that makes the filename
      30     unique.  Then open the file and return a fd. */
      31  int
      32  mkstemps (char *template, int suffixlen)
      33  {
      34    if (suffixlen < 0)
      35      {
      36        __set_errno (EINVAL);
      37        return -1;
      38      }
      39  
      40    return __gen_tempname (template, suffixlen, 0, __GT_FILE);
      41  }
      42  
      43  #if !defined O_LARGEFILE || O_LARGEFILE == 0
      44  weak_alias (mkstemps, mkstemps64)
      45  #endif