Changeset a92da0a in mainline for uspace/lib/libc/generic/ipc.c

Timestamp:

2007-12-23T21:46:52Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7dab6b8

Parents:

a55d5f9f

Message:

Reimplement VFS_READ using IPC_M_DATA_READ.

File:

• uspace/lib/libc/generic/ipc.c (modified) (2 diffs)

uspace/lib/libc/generic/ipc.c

@@ -690 +690 @@
  * @param callid        Storage where the hash of the IPC_M_DATA_READ call will
  *                      be stored.
- * @param size          Storage where the maximum size will be stored.
+ * @param size          Storage where the maximum size will be stored. Can be
+ *                      NULL.
  *
  * @return              Non-zero on success, zero on failure.
@@ -703 +704 @@
         if (IPC_GET_METHOD(data) != IPC_M_DATA_READ)
                 return 0;
-        assert(size);
-        *size = (size_t) IPC_GET_ARG2(data);
+        if (size)
+                *size = (size_t) IPC_GET_ARG2(data);
         return 1;
 }