correct strlcpy abuse

ok millert@

1 files changed, 8 insertions, 4 deletions

diff --git a/src/lib/libc/string/strerror_r.c b/src/lib/libc/string/strerror_r.c
index db264bcf50..c0ca434cbd 100644
--- a/src/lib/libc/string/strerror_r.c
+++ b/src/lib/libc/string/strerror_r.c
@@ -1,8 +1,8 @@
-/* $OpenBSD: strerror_r.c,v 1.2 2004/05/03 05:07:34 espie Exp $ */
+/* $OpenBSD: strerror_r.c,v 1.3 2005/04/20 23:38:15 beck Exp $ */
 /* Public Domain <marc@snafu.org> */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strerror_r.c,v 1.2 2004/05/03 05:07:34 espie Exp $";
+static char *rcsid = "$OpenBSD: strerror_r.c,v 1.3 2005/04/20 23:38:15 beck Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #ifdef NLS
@@ -107,8 +107,12 @@ strerror_r(int errnum, char *strerrbuf, size_t buflen)
 #else
                 len = strlcpy(strerrbuf, UPREFIX, buflen);
 #endif
-                __itoa(errnum, strerrbuf, len, buflen);
-                ret_errno = EINVAL;
+                if (len >= buflen)
+                        ret_errno = ERANGE;
+                else {
+                        __itoa(errnum, strerrbuf, len, buflen);
+                        ret_errno = EINVAL;
+                }
         }
 
 #ifdef NLS