1 files changed, 5 insertions, 0 deletions
diff --git a/commit.h b/commit.h
index 3ea32766bc..38cc542661 100644
--- a/commit.h
+++ b/commit.h
@@ -290,12 +290,17 @@ void free_commit_extra_headers(struct commit_extra_header *extra);
 
 /*
  * Search the commit object contents given by "msg" for the header "key".
+ * Reads up to "len" bytes of "msg".
  * Returns a pointer to the start of the header contents, or NULL. The length
  * of the header, up to the first newline, is returned via out_len.
  *
  * Note that some headers (like mergetag) may be multi-line. It is the caller's
  * responsibility to parse further in this case!
  */
+const char *find_header_mem(const char *msg, size_t len,
+			const char *key,
+			size_t *out_len);
+
 const char *find_commit_header(const char *msg, const char *key,
 			       size_t *out_len);