xsystem.h


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/* xsystem.h - system(3) with error messages

   Carl D. Worth

   Copyright (C) 2001 University of Southern California

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2, or (at
   your option) any later version.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.
*/

#ifndef XSYSTEM_H
#define XSYSTEM_H

#include <stdlib.h>

/* Like system(3), but with error messages printed if the fork fails
   or if the child process dies due to an uncaught signal. Also, the
   return value is a bit simpler:

   -1 if there was any problem
   Otherwise, the 8-bit return value of the program ala WEXITSTATUS
   as defined in <sys/wait.h>.
*/
int xsystem(const char *cmd);

#endif