Start maintenance track for 2.10.x series

1 files changed, 17 insertions, 0 deletions

diff --git a/git-compat-util.h b/git-compat-util.h
index b4b7f44952..db89ba7748 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -474,6 +474,23 @@ static inline int skip_prefix(const char *str, const char *prefix,
 }
 
 /*
+ * Like skip_prefix, but promises never to read past "len" bytes of the input
+ * buffer, and returns the remaining number of bytes in "out" via "outlen".
+ */
+static inline int skip_prefix_mem(const char *buf, size_t len,
+				  const char *prefix,
+				  const char **out, size_t *outlen)
+{
+	size_t prefix_len = strlen(prefix);
+	if (prefix_len <= len && !memcmp(buf, prefix, prefix_len)) {
+		*out = buf + prefix_len;
+		*outlen = len - prefix_len;
+		return 1;
+	}
+	return 0;
+}
+
+/*
  * If buf ends with suffix, return 1 and subtract the length of the suffix
  * from *len. Otherwise, return 0 and leave *len untouched.
  */