1  /* Error-checking replacement for "system".
       2     Copyright (C) 2023 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, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <support/support.h>
      20  #include <support/check.h>
      21  
      22  #include <support/xstdlib.h>
      23  
      24  void
      25  xsystem (const char *cmd)
      26  {
      27    int ret = system (cmd);
      28  
      29    if (ret == 0 && cmd == NULL)
      30      FAIL_EXIT1 ("Unable to spawn a shell for NULL command");
      31  
      32    if (ret == 127)
      33      FAIL_EXIT1 ("Child terminated with status 127");
      34  
      35    if (ret < 0)
      36      FAIL_EXIT1 ("system (\"%s\")", cmd);
      37  }