trying to get VGA fb mode to work..

programs/rocksh/main.c

@@ -1,4 +1,5 @@
 #include "syscall.h"
+#include <stdlib.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <string.h>
@@ -23,16 +24,14 @@ void parse_cmd() {
         return;
     }
 
-    // need a strcat
-    char* dst = path;
-    strcpy(dst, bin_dir);
-    dst = path + strlen(bin_dir);
-    strcpy(dst, buf);
+    strcpy(path, bin_dir);
+    strcat(path, buf);
 
     int pid = fork();
     if (pid == 0) {
         if (!exec(path)) {
-            return;
+            printf("failed to execute %s\n", path);
+            exit(0);
         }
     }