lib/mkstemp-safer.c

   1 /* Invoke mkstemp, but avoid some glitches.
   2
   3    Copyright (C) 2005-2007, 2009-2020 Free Software Foundation, Inc.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 /* Written by Paul Eggert.  */
  19
  20 #include <config.h>
  21
  22 #include "stdlib-safer.h"
  23
  24 #include <stdlib.h>
  25 #include "unistd-safer.h"
  26
  27 /* Like mkstemp, but do not return STDIN_FILENO, STDOUT_FILENO, or
  28    STDERR_FILENO.  */
  29
  30 int
  31 mkstemp_safer (char *templ)
  32 {
  33   return fd_safer (mkstemp (templ));
  34 }
  35
  36 #if GNULIB_MKOSTEMP
  37 /* Like mkostemp, but do not return STDIN_FILENO, STDOUT_FILENO, or
  38    STDERR_FILENO.  */
  39 int
  40 mkostemp_safer (char *templ, int flags)
  41 {
  42   return fd_safer_flag (mkostemp (templ, flags), flags);
  43 }
  44 #endif
  45
  46 #if GNULIB_MKOSTEMPS
  47 /* Like mkostemps, but do not return STDIN_FILENO, STDOUT_FILENO, or
  48    STDERR_FILENO.  */
  49 int
  50 mkostemps_safer (char *templ, int suffixlen, int flags)
  51 {
  52   return fd_safer_flag (mkostemps (templ, suffixlen, flags), flags);
  53 }
  54 #endif
  55
  56 #if GNULIB_MKSTEMPS
  57 /* Like mkstemps, but do not return STDIN_FILENO, STDOUT_FILENO, or
  58    STDERR_FILENO.  */
  59 int mkstemps_safer (char *templ, int suffixlen)
  60 {
  61   return fd_safer (mkstemps (templ, suffixlen));
  62 }
  63 #endif