Implemented --gnokiid arguments for child spawning, not tested yet

[gnokii.git] / gnokii / gnokii.c

diff --git a/gnokii/gnokii.c b/gnokii/gnokii.c
index fd5adad..9b94644 100644 (file)
--- a/gnokii/gnokii.c
+++ b/gnokii/gnokii.c
@@ -948,7 +948,7 @@ static int usage(void)
 
 #ifdef UCLINUX
   fprintf(stdout, _(
-"          gnokii --gnokiid [--debug]\n"
+"          gnokii --gnokiid [--debug] [<child to run> [<child args>...]]\n"
   ));
 #endif
 
@@ -1232,7 +1232,7 @@ int main(int argc, char *argv[])
 #endif /* UCLINUX */
 
 #ifdef UCLINUX
-    { OPT_GNOKIID,           0, 1, 0 },
+    { OPT_GNOKIID,           0, INT_MAX, 0 },
 #endif /* UCLINUX */
 
     { 0, 0, 0, 0 },
@@ -1280,6 +1280,7 @@ int main(int argc, char *argv[])
 
     for(i = 2; i < argc; i++)
       nargv[i-2] = argv[i];
+               nargv[argc] = NULL;     /* required by gnokiid() for execv(3) */
        
     if(checkargs(c, gals, nargc)) {
 
@@ -4129,17 +4130,16 @@ static int gnokiid(int argc, char *argv[])
        DebugMode = false;
        if(argc>0)
        {
-               if( strcmp(argv[0],"--debug" ))
+               if( !strcmp(argv[0],"--debug" ))
                {
-                       usage();
-                       return -1;
-               }
-               else
                        DebugMode = true;
+                       argv++;
+                       argc--;
+               }
        }
 
 #ifdef DEBUG
-  fprintf (stderr, _("Entering gnokiid mode...\n"));
+  fprintf (stderr, _("Initializing gnokiid mode...\n"));
 #endif
 
        if (CFG_ReadConfig(&Model, &Port, &Initlength, &Connection, &BinDir, true) < 0)
@@ -4148,6 +4148,33 @@ static int gnokiid(int argc, char *argv[])
   if (VM_Initialise(Model, Port, Initlength, GCT_FBUS, BinDir, DebugMode, true, ""/*SynchronizeTime*/) == false)
                return (-1);
 
+       if (argc>0) {
+#ifdef DEBUG
+               fprintf (stderr, _("Spawning gnokiid startup child process \"%s\"...\n"), *argv);
+#endif
+               /* default action for SIGCHLD is SIG_IGN, should be OK */
+               errno=0;
+               switch (vfork()) {
+                       case -1: /* vfork() failure */
+                               fprintf (stderr, _("vfork() failed! (%m)\n"));
+                               return -1;
+                       case 0: /* child */
+                               execv(*argv,argv);
+                               fprintf (stderr, _("Spawn of child process failed! (%m)\n"));
+                               _exit(9);
+                               break;
+                       default: /* parent */
+                               /* PASSTHRU */
+                               break;
+                       }
+               }
+
+#ifdef DEBUG
+  fprintf (stderr, _("Entering gnokiid virtual modem main loop...\n"));
+#endif
+
+       VM_ThreadLoop();
+
        VM_Terminate();
 
   return 0;