cleanup and working on fifo pipes

1 files changed, 17 insertions, 4 deletions

diff --git a/kernel/syscalls.c b/kernel/syscalls.c
index c507a4e..9f10d20 100644
--- a/kernel/syscalls.c
+++ b/kernel/syscalls.c
@@ -175,10 +175,22 @@ int syscall_execve(char *name, char **argv, char **env)
     while(argv[arg_count]!=NULL)arg_count++;
 
     char **argv1=kballoc(1);
-    char **env1=kballoc(1);
+    if(argv!=NULL)
+    {
+        copy_args(argv,argv1);
+    }
+    else{
+	argv1=NULL;
+    }
 
-    copy_args(argv,argv1);
-    copy_args(env,env1);
+    char **env1=kballoc(1);
+    if(env!=NULL)
+    {
+	copy_args(env,env1);
+    }
+    else{
+	env1=NULL;
+    }
 
     uint32_t alloc;
     uint32_t entry_global=load_elf(name,&alloc);
@@ -214,12 +226,13 @@ int syscall_execve(char *name, char **argv, char **env)
 }
 
 
+// TODO: support other files too (not only fifo pipes)
 int syscall_open(char *name, int flags, int mode)
 {
     #ifdef LOG_SYSCALLS
     log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"open (name=0x%08X(\"%s\"), flags=%d,  mode=%d)",name, name,flags,mode);
     #endif
-    panic(FOOLOS_MODULE_NAME,"unhandled syscall: open");
+    //panic(FOOLOS_MODULE_NAME,"unhandled syscall: open");
 }