/*

  *  By Per Jessen <per@computer.org> with changes by the ClamAV team

  *
  *  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 of the License, 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.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software

  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  *  MA 02110-1301, USA.

  */
 
 #if HAVE_CONFIG_H
 #include "clamav-config.h"
 #endif
 
 #include <stdio.h>
 #include <stdlib.h>

 #ifdef	HAVE_UNISTD_H

 #include <unistd.h>

 #endif

 #include <string.h>
 #include <errno.h>
 

 #include "shared/output.h"

 #include "shared/optparser.h"

 #include "execute.h"

 
 #define MAX_CHILDREN 5

 
 int active_children;
 

 void
 execute (const char *type, const char *text, const struct optstruct *opts)

 {

     int ret;

     if (!optget (opts, "daemon")->enabled)
     {
         if (sscanf (text, "EXIT_%d", &ret) == 1)
         {
             logg ("*%s: EXIT_%d\n", type, ret);
             exit (ret);
         }
         if (system (text) == -1)
             logg ("%s: system(%s) failed\n", type, text);

         return;

     }
 

 #ifdef _WIN32

     if (spawnlp (_P_NOWAIT, text, text, NULL) == -1)
     {
         logg ("^%s: couldn't execute \"%s\".\n", type, text);
         return;

     }

 #else

     if (active_children < MAX_CHILDREN)
     {
         pid_t pid;
         switch (pid = fork ())
         {
         case 0:
             if (-1 == system (text))
             {
                 logg ("^%s: couldn't execute \"%s\".\n", type, text);
             }
             exit (0);
         case -1:
             logg ("^%s::fork() failed, %s.\n", type, strerror (errno));
             break;
         default:
             active_children++;
         }
     }
     else
     {
         logg ("^%s: already %d processes active.\n", type, active_children);

     }

 #endif

 }