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-rw-r--r--sha1-array.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/sha1-array.c b/sha1-array.c
index b94e0ec0f5..d922e94e3f 100644
--- a/sha1-array.c
+++ b/sha1-array.c
@@ -77,3 +77,20 @@ int oid_array_for_each_unique(struct oid_array *array,
}
return 0;
}
+
+void oid_array_filter(struct oid_array *array,
+ for_each_oid_fn want,
+ void *cb_data)
+{
+ unsigned nr = array->nr, src, dst;
+ struct object_id *oids = array->oid;
+
+ for (src = dst = 0; src < nr; src++) {
+ if (want(&oids[src], cb_data)) {
+ if (src != dst)
+ oidcpy(&oids[dst], &oids[src]);
+ dst++;
+ }
+ }
+ array->nr = dst;
+}