Changeset c47e1a8 in mainline for uspace/lib/c/generic/vfs/vfs.c

Timestamp:

2010-05-21T07:50:04Z (16 years ago)

Author:

Lenka Trochtova <trochtova.lenka@…>

Branches:

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

Children:

d51ee2b

Parents:

cf8cc36 (diff), 15b592b (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

merge mainline changes (rev. 451)

File:

• uspace/lib/c/generic/vfs/vfs.c (moved) (moved from uspace/lib/libc/generic/vfs/vfs.c ) (5 diffs)

uspace/lib/c/generic/vfs/vfs.c

@@ -35 +35 @@
 #include <vfs/vfs.h>
 #include <vfs/canonify.h>
+#include <macros.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -48 +49 @@
 #include <futex.h>
 #include <errno.h>
-#include <string.h>
+#include <str.h>
 #include <devmap.h>
 #include <ipc/vfs.h>
@@ -434 +435 @@
 }
 
-off_t lseek(int fildes, off_t offset, int whence)
-{
-        ipcarg_t rc;
-
-        futex_down(&vfs_phone_futex);
-        async_serialize_start();
-        vfs_connect();
-        
-        ipcarg_t newoffs;
-        rc = async_req_3_1(vfs_phone, VFS_IN_SEEK, fildes, offset, whence,
-            &newoffs);
-
-        async_serialize_end();
-        futex_up(&vfs_phone_futex);
-
+off64_t lseek(int fildes, off64_t offset, int whence)
+{
+        futex_down(&vfs_phone_futex);
+        async_serialize_start();
+        vfs_connect();
+        
+        ipcarg_t newoff_lo;
+        ipcarg_t newoff_hi;
+        ipcarg_t rc = async_req_4_2(vfs_phone, VFS_IN_SEEK, fildes,
+            LOWER32(offset), UPPER32(offset), whence,
+            &newoff_lo, &newoff_hi);
+        
+        async_serialize_end();
+        futex_up(&vfs_phone_futex);
+        
         if (rc != EOK)
-                return (off_t) -1;
-        
-        return (off_t) newoffs;
-}
-
-int ftruncate(int fildes, off_t length)
-{
-        ipcarg_t rc;
-        
-        futex_down(&vfs_phone_futex);
-        async_serialize_start();
-        vfs_connect();
-        
-        rc = async_req_2_0(vfs_phone, VFS_IN_TRUNCATE, fildes, length);
-        async_serialize_end();
-        futex_up(&vfs_phone_futex);
+                return (off64_t) -1;
+        
+        return (off64_t) MERGE_LOUP32(newoff_lo, newoff_hi);
+}
+
+int ftruncate(int fildes, aoff64_t length)
+{
+        ipcarg_t rc;
+        
+        futex_down(&vfs_phone_futex);
+        async_serialize_start();
+        vfs_connect();
+        
+        rc = async_req_3_0(vfs_phone, VFS_IN_TRUNCATE, fildes,
+            LOWER32(length), UPPER32(length));
+        async_serialize_end();
+        futex_up(&vfs_phone_futex);
+        
         return (int) rc;
 }
@@ -479 +482 @@
         
         req = async_send_1(vfs_phone, VFS_IN_FSTAT, fildes, NULL);
-        rc = async_data_read_start(vfs_phone, (void *)stat, sizeof(struct stat));
+        rc = async_data_read_start(vfs_phone, (void *) stat, sizeof(struct stat));
         if (rc != EOK) {
                 ipcarg_t rc_orig;
@@ -553 +556 @@
         if (!abs) {
                 free(dirp);
-                return ENOMEM;
+                return NULL;
         }