diff options
Diffstat (limited to 'mysys')
| -rw-r--r-- | mysys/my_write.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mysys/my_write.c b/mysys/my_write.c index 4c3d187e4e8..08d70accd57 100644 --- a/mysys/my_write.c +++ b/mysys/my_write.c @@ -29,6 +29,10 @@ uint my_write(int Filedes, const byte *Buffer, uint Count, myf MyFlags) Filedes, (long) Buffer, Count, MyFlags)); errors=0; written=0L; + /* The behavior of write(fd, buf, 0) is not portable */ + if (unlikely(!Count)) + return 0; + for (;;) { if ((writenbytes = (uint) write(Filedes, Buffer, Count)) == Count) |