Changeset 597 for trunk/libs/mini-libc/mman.c

Timestamp:

Nov 10, 2018, 2:56:43 PM (5 years ago)

Author:

alain

Message:

Rewrite the mmap() and stat() syscalls to implement the cat command in ksh.

File:

• trunk/libs/mini-libc/mman.c (modified) (2 diffs)

trunk/libs/mini-libc/mman.c

@@ -28 +28 @@
 #include <stdio.h>
 
-////////////////////////////////y
+////////////////////////////////
 int munmap( void         * addr,
             unsigned int   size )
@@ -47 +47 @@
     mmap_attr_t attr;
 
-    attr.addr   = addr;
+    // addr argument must be NULL
+    if( addr != NULL )
+    {
+        printf("\n[ERROR] in %s : the <addr> argument must be NULL\n", __FUNCTION__ );
+        return NULL;
+    }
+
+    //set the mmap attributes 
+    attr.addr   = NULL;
     attr.length = length;
     attr.prot   = prot;