Changed return value of git_oid_match to be consistent with the other compare methods (0 means oids match). Added method to compare prefixes of hex formatted oids.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/oid.h b/src/oid.h
index 79f5b6507..1cd2450d6 100644
--- a/src/oid.h
+++ b/src/oid.h
@@ -1,7 +1,17 @@
 #ifndef INCLUDE_oid_h__
 #define INCLUDE_oid_h__
 
-/* This can be useful for internal use */
+/**
+ * Compare the first ('len'*4) bits of two raw formatted oids.
+ * This can be useful for internal use.
+ * Return 0 if they match.
+ */
 int git_oid_match_raw(unsigned int len, const unsigned char *a, const unsigned char *b);
 
+/**
+ * Compare the first 'len' characters of two hex formatted oids.
+ * Return 0 if they match.
+ */
+int git_oid_match_hex(unsigned int len, const unsigned char *a, const unsigned char *b);
+
 #endif