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-rw-r--r--src/util.c38
1 files changed, 23 insertions, 15 deletions
diff --git a/src/util.c b/src/util.c
index b3af7ffd8..1ca9d850c 100644
--- a/src/util.c
+++ b/src/util.c
@@ -348,22 +348,30 @@ uint32_t git__hash(const void *key, int len, uint32_t seed)
* Copyright (c) 1990 Regents of the University of California.
* All rights reserved.
*/
-void **git__bsearch(const void *key, void **base, size_t nmemb, int (*compar)(const void *, const void *))
+int git__bsearch(
+ void **array,
+ size_t array_len,
+ const void *key,
+ int (*compare)(const void *, const void *),
+ size_t *position)
{
- int lim, cmp;
- void **p;
-
- for (lim = nmemb; lim != 0; lim >>= 1) {
- p = base + (lim >> 1);
- cmp = (*compar)(key, *p);
- if (cmp > 0) { /* key > p: move right */
- base = p + 1;
- lim--;
- } else if (cmp == 0) {
- return (void **)p;
- } /* else move left */
- }
- return NULL;
+ int lim, cmp;
+ void **part, **base = array;
+
+ for (lim = array_len; lim != 0; lim >>= 1) {
+ part = base + (lim >> 1);
+ cmp = (*compare)(key, *part);
+ if (cmp == 0) {
+ *position = (part - array);
+ return GIT_SUCCESS;
+ } else if (cmp > 0) { /* key > p; take right partition */
+ base = part + 1;
+ lim--;
+ } /* else take left partition */
+ }
+
+ *position = (base - array);
+ return GIT_ENOTFOUND;
}
/**