Changeset 407 for trunk/kernel/syscalls/sys_chmod.c

Timestamp:

Nov 7, 2017, 3:08:12 PM (7 years ago)

Author:

alain

Message:

First implementation of fork/exec.

File:

• trunk/kernel/syscalls/sys_chmod.c (modified) (2 diffs)

trunk/kernel/syscalls/sys_chmod.c

@@ -40 +40 @@
     process_t * process = this->process;
 
-    // get pathname copy in kernel space
-    error = hal_strcpy_from_uspace( kbuf , pathname , CONFIG_VFS_MAX_PATH_LENGTH );
-
-    if( error )
+    // check pathname length
+    if( hal_strlen_from_uspace( pathname ) >= CONFIG_VFS_MAX_PATH_LENGTH )
     {
         printk("\n[ERROR] in %s : pathname too long\n", __FUNCTION__ );
@@ -49 +47 @@
         return -1;
     }
+
+    // copy pathname in kernel space
+    hal_strcpy_from_uspace( kbuf , pathname , CONFIG_VFS_MAX_PATH_LENGTH );
 
     // get cluster and local pointer on reference process