[PATCH 21/41] http: eliminate hard-coded constants

[brian m. carlson]

Use the_hash_algo to find the right size for parsing pack names.

Signed-off-by: brian m. carlson <sand...@crustytoothpaste.net>
---
 http.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/http.c b/http.c
index 3034d10b68..ec70676748 100644
--- a/http.c
+++ b/http.c
@@ -2047,7 +2047,8 @@ int http_get_info_packs(const char *base_url, struct 
packed_git **packs_head)
        int ret = 0, i = 0;
        char *url, *data;
        struct strbuf buf = STRBUF_INIT;
-       unsigned char sha1[20];
+       unsigned char hash[GIT_MAX_RAWSZ];
+       const unsigned hexsz = the_hash_algo->hexsz;
 
        end_url_with_slash(&buf, base_url);
        strbuf_addstr(&buf, "objects/info/packs");
@@ -2063,11 +2064,11 @@ int http_get_info_packs(const char *base_url, struct 
packed_git **packs_head)
                switch (data[i]) {
                case 'P':
                        i++;
-                       if (i + 52 <= buf.len &&
+                       if (i + hexsz + 12 <= buf.len &&
                            starts_with(data + i, " pack-") &&
-                           starts_with(data + i + 46, ".pack\n")) {
-                               get_sha1_hex(data + i + 6, sha1);
-                               fetch_and_setup_pack_index(packs_head, sha1,
+                           starts_with(data + i + hexsz + 6, ".pack\n")) {
+                               get_sha1_hex(data + i + 6, hash);
+                               fetch_and_setup_pack_index(packs_head, hash,
                                                      base_url);
                                i += 51;
                                break;