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-rw-r--r--source3/lib/util_str.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c
index b517d93dd8..78366fceb7 100644
--- a/source3/lib/util_str.c
+++ b/source3/lib/util_str.c
@@ -545,9 +545,11 @@ BOOL trim_string(char *s,const char *front,const char *back)
size_t back_len;
char *sP;
- if ( !s ) {
+ /* Ignore null or empty strings. */
+
+ if ( !s || (s[0] == '\0'))
return False;
- }
+
sP = s;
s_len = strlen( s ) + 1;
front_len = (front) ? strlen( front ) + 1 : 0;
@@ -589,7 +591,7 @@ BOOL trim_string(char *s,const char *front,const char *back)
* Kenichi Okuyama.
*/
- if ( back && back_len > 1 ) {
+ if ( back && back_len > 1 && s_len > back_len) {
char *bP = sP + s_len - back_len;
long b_len = s_len;