Changeset 386e276 in mainline for uspace/srv/vfs/vfs_file.c

Timestamp:

2009-05-06T20:57:09Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

66b430e

Parents:

8bb129d

Message:

Negative file descriptors shoud be considered invalid.
This fixes ticket #70.

File:

• uspace/srv/vfs/vfs_file.c (modified) (2 diffs)

uspace/srv/vfs/vfs_file.c

@@ -104 +104 @@
 int vfs_fd_free(int fd)
 {
-        if ((fd >= MAX_OPEN_FILES) || (files[fd] == NULL))
+        if ((fd < 0) || (fd >= MAX_OPEN_FILES) || (files[fd] == NULL))
                 return EBADF;
         vfs_file_delref(files[fd]);
@@ -151 +151 @@
 vfs_file_t *vfs_file_get(int fd)
 {
-        if (fd < MAX_OPEN_FILES)
+        if ((fd >= 0) && (fd < MAX_OPEN_FILES))
                 return files[fd];
         return NULL;