libbb: make is_suffixed_with() return pointer inside string, not key.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/libbb/compare_string_array.c b/libbb/compare_string_array.c
index e0d8e421b568498bf38474485742ff0c8982cfea..3dbd3eb1af5b2be47187d01efb2e77c966f3ad2a 100644 (file)
--- a/libbb/compare_string_array.c
+++ b/libbb/compare_string_array.c
@@ -39,8 +39,9 @@ char* FAST_FUNC is_suffixed_with(const char *string, const char *key)
        ssize_t len_diff = strlen(string) - key_len;
 
        if (len_diff >= 0) {
-               if (strcmp(string + len_diff, key) == 0) {
-                       return (char*)key;
+               string += len_diff;
+               if (strcmp(string, key) == 0) {
+                       return (char*)string;
                }
        }