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-rw-r--r--libbb/compare_string_array.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/libbb/compare_string_array.c b/libbb/compare_string_array.c
index d15578ca3..077a280a2 100644
--- a/libbb/compare_string_array.c
+++ b/libbb/compare_string_array.c
@@ -25,12 +25,11 @@ int index_in_substr_array(const char * const string_array[], const char *key)
{
int i;
int len = strlen(key);
- if (!len)
- return -1;
-
- for (i = 0; string_array[i] != 0; i++) {
- if (strncmp(string_array[i], key, len) == 0) {
- return i;
+ if (len) {
+ for (i = 0; string_array[i] != 0; i++) {
+ if (strncmp(string_array[i], key, len) == 0) {
+ return i;
+ }
}
}
return -1;