/*

  *  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 g_active_children;

 void execute(const char *type, const char *text, int bDaemonized)

 {

     int ret;

     if (!bDaemonized) {

         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 (g_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:

                 g_active_children++;

         }

     } else {

         logg("^%s: already %d processes active.\n", type, g_active_children);

     }

 #endif

 }