From 122037c2edec0c2bbcbfe52679fddc438165ab54 Mon Sep 17 00:00:00 2001 From: "brian m. carlson" Date: Mon, 25 May 2020 19:58:56 +0000 Subject: connect: add function to detect supported v1 hash functions Add a function, server_supports_hash, to see if the remote server supports a particular hash algorithm when speaking protocol v1. Signed-off-by: brian m. carlson Signed-off-by: Junio C Hamano --- connect.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'connect.c') diff --git a/connect.c b/connect.c index ad0e4e8e56..eaa13b41bb 100644 --- a/connect.c +++ b/connect.c @@ -511,6 +511,28 @@ static const char *parse_feature_value(const char *feature_list, const char *fea return NULL; } +int server_supports_hash(const char *desired, int *feature_supported) +{ + int offset = 0; + int len; + const char *hash; + + hash = next_server_feature_value("object-format", &len, &offset); + if (feature_supported) + *feature_supported = !!hash; + if (!hash) { + hash = hash_algos[GIT_HASH_SHA1].name; + len = strlen(hash); + } + while (hash) { + if (!xstrncmpz(desired, hash, len)) + return 1; + + hash = next_server_feature_value("object-format", &len, &offset); + } + return 0; +} + int parse_feature_request(const char *feature_list, const char *feature) { return !!parse_feature_value(feature_list, feature, NULL, NULL); -- cgit v1.2.3