diff options
Diffstat (limited to 'lib/libc/stdio/fwrite.c')
| -rw-r--r-- | lib/libc/stdio/fwrite.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libc/stdio/fwrite.c b/lib/libc/stdio/fwrite.c index a60f9e0807a..8e7ae01e096 100644 --- a/lib/libc/stdio/fwrite.c +++ b/lib/libc/stdio/fwrite.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fwrite.c,v 1.6 2009/07/12 18:45:21 millert Exp $ */ +/* $OpenBSD: fwrite.c,v 1.7 2009/10/21 16:04:23 guenther Exp $ */ /*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. @@ -45,6 +45,7 @@ fwrite(const void *buf, size_t size, size_t count, FILE *fp) size_t n; struct __suio uio; struct __siov iov; + int ret; /* * ANSI and SUSv2 require a return value of 0 if size or count are 0. @@ -62,7 +63,10 @@ fwrite(const void *buf, size_t size, size_t count, FILE *fp) * skip the divide if this happens, since divides are * generally slow and since this occurs whenever size==0. */ - if (__sfvwrite(fp, &uio) == 0) + FLOCKFILE(fp); + ret = __sfvwrite(fp, &uio); + FUNLOCKFILE(fp); + if (ret == 0) return (count); return ((n - uio.uio_resid) / size); } |