diff options
Diffstat (limited to 'lib/libc/stdio/fputc.c')
| -rw-r--r-- | lib/libc/stdio/fputc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libc/stdio/fputc.c b/lib/libc/stdio/fputc.c index 275e0398411..0c95ed9a14f 100644 --- a/lib/libc/stdio/fputc.c +++ b/lib/libc/stdio/fputc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fputc.c,v 1.8 2009/10/21 16:04:23 guenther Exp $ */ +/* $OpenBSD: fputc.c,v 1.9 2009/10/22 01:23:16 guenther Exp $ */ /*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. @@ -33,9 +33,14 @@ #include <stdio.h> #include <errno.h> +#include "local.h" int fputc(int c, FILE *fp) { + if (cantwrite(fp)) { + errno = EBADF; + return (EOF); + } return (putc(c, fp)); } |