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-rw-r--r--string-list.c29
1 files changed, 21 insertions, 8 deletions
diff --git a/string-list.c b/string-list.c
index 45016ad86d..a0cf0cfe88 100644
--- a/string-list.c
+++ b/string-list.c
@@ -16,7 +16,7 @@ static int get_entry_index(const struct string_list *list, const char *string,
compare_strings_fn cmp = list->cmp ? list->cmp : strcmp;
while (left + 1 < right) {
- int middle = (left + right) / 2;
+ int middle = left + (right - left) / 2;
int compare = cmp(string, list->items[middle].string);
if (compare < 0)
right = middle;
@@ -41,14 +41,10 @@ static int add_entry(int insert_at, struct string_list *list, const char *string
if (exact_match)
return -1 - index;
- if (list->nr + 1 >= list->alloc) {
- list->alloc += 32;
- REALLOC_ARRAY(list->items, list->alloc);
- }
+ ALLOC_GROW(list->items, list->nr+1, list->alloc);
if (index < list->nr)
- memmove(list->items + index + 1, list->items + index,
- (list->nr - index)
- * sizeof(struct string_list_item));
+ MOVE_ARRAY(list->items + index + 1, list->items + index,
+ list->nr - index);
list->items[index].string = list->strdup_strings ?
xstrdup(string) : (char *)string;
list->items[index].util = NULL;
@@ -67,6 +63,23 @@ struct string_list_item *string_list_insert(struct string_list *list, const char
return list->items + index;
}
+void string_list_remove(struct string_list *list, const char *string,
+ int free_util)
+{
+ int exact_match;
+ int i = get_entry_index(list, string, &exact_match);
+
+ if (exact_match) {
+ if (list->strdup_strings)
+ free(list->items[i].string);
+ if (free_util)
+ free(list->items[i].util);
+
+ list->nr--;
+ MOVE_ARRAY(list->items + i, list->items + i + 1, list->nr - i);
+ }
+}
+
int string_list_has_string(const struct string_list *list, const char *string)
{
int exact_match;