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authorAndrey A. Chernov <ache@FreeBSD.org>1994-09-14 22:25:15 +0000
committerAndrey A. Chernov <ache@FreeBSD.org>1994-09-14 22:25:15 +0000
commita7f57b7141ee0ff5ef3fde7f982787fc0d296d62 (patch)
tree77e3b79c57d130a2966d76be6fe66ce0b85af320 /lib/libcompat/4.3/regex.c
parent28d8923ed0f9eba1a3d74bb7eb8317ea2859e8c8 (diff)
Notes
Diffstat (limited to 'lib/libcompat/4.3/regex.c')
-rw-r--r--lib/libcompat/4.3/regex.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libcompat/4.3/regex.c b/lib/libcompat/4.3/regex.c
index 89d6400b8d7d..9b9697885e42 100644
--- a/lib/libcompat/4.3/regex.c
+++ b/lib/libcompat/4.3/regex.c
@@ -59,8 +59,11 @@ char *
re_comp(s)
char *s;
{
- if (s == NULL || *s == '\0')
+ if (s == NULL || *s == '\0') {
+ if (re_regexp == NULL)
+ return "no previous regular expression";
return (NULL);
+ }
if (re_regexp)
free(re_regexp);
if (re_errstr)