diff options
| author |   ray <ray@openbsd.org> | 2009-06-02 22:28:18 +0000 |
|---|---|---|
| committer | ray <ray@openbsd.org> | 2009-06-02 22:28:18 +0000 |
| commit | ccb5c659f4bdd6e9732808c3c1549dd536d78de9 (patch) | |
| tree | 8f631106c8e81c818b18553f874ceadcf52f0e17 /lib/libc/stdio/fgets.c | |
| parent | make env->sc_listeners and env->sc_ssl pointers, one step further toward (diff) | |
| download | wireguard-openbsd-ccb5c659f4bdd6e9732808c3c1549dd536d78de9.tar.xz wireguard-openbsd-ccb5c659f4bdd6e9732808c3c1549dd536d78de9.zip | |
Set errno to EINVAL when fgets is given a non-positive size.
OK millert otto
Diffstat (limited to 'lib/libc/stdio/fgets.c')
| -rw-r--r-- | lib/libc/stdio/fgets.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/libc/stdio/fgets.c b/lib/libc/stdio/fgets.c index 92fdcf78ff5..536935256be 100644 --- a/lib/libc/stdio/fgets.c +++ b/lib/libc/stdio/fgets.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fgets.c,v 1.10 2005/08/08 08:05:36 espie Exp $ */ +/* $OpenBSD: fgets.c,v 1.11 2009/06/02 22:28:18 ray Exp $ */ /*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. @@ -31,6 +31,7 @@ * SUCH DAMAGE. */ +#include <errno.h> #include <stdio.h> #include <string.h> #include "local.h" @@ -48,8 +49,10 @@ fgets(char *buf, int n, FILE *fp) char *s; unsigned char *p, *t; - if (n <= 0) /* sanity check */ + if (n <= 0) { /* sanity check */ + errno = EINVAL; return (NULL); + } _SET_ORIENTATION(fp, -1); s = buf; |