diff options
Diffstat (limited to 'mysys/my_seek.c')
| -rw-r--r-- | mysys/my_seek.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mysys/my_seek.c b/mysys/my_seek.c index a9ae68cd5f0..f03a932e696 100644 --- a/mysys/my_seek.c +++ b/mysys/my_seek.c @@ -51,6 +51,11 @@ my_off_t my_seek(File fd, my_off_t pos, int whence, whence, MyFlags)); DBUG_ASSERT(pos != MY_FILEPOS_ERROR); /* safety check */ + /* + Make sure we are using a valid file descriptor + */ + DBUG_ASSERT(fd >= 0); + newpos=lseek(fd, pos, whence); if (newpos == (os_off_t) -1) { |