@@ -1481,6 +1481,9 @@ int set_disambiguate_hint_config(const char *var, const char *value);
int get_sha1_hex(const char *hex, unsigned char *sha1);
int get_oid_hex(const char *hex, struct object_id *sha1);
+/* Like get_oid_hex, but for an arbitrary hash algorithm. */
+int get_oid_hex_algop(const char *hex, struct object_id *oid, const struct git_hash_algo *algop);
+
/*
* Read `len` pairs of hexadecimal digits from `hex` and write the
* values to `binary` as `len` bytes. Return 0 on success, or -1 if
@@ -1516,6 +1519,10 @@ char *oid_to_hex(const struct object_id *oid); /* same static buffer */
*/
int parse_oid_hex(const char *hex, struct object_id *oid, const char **end);
+/* Like parse_oid_hex, but for an arbitrary hash algorithm. */
+int parse_oid_hex_algop(const char *hex, struct object_id *oid, const char **end,
+ const struct git_hash_algo *algo);
+
/*
* This reads short-hand syntax that not only evaluates to a commit
* object name, but also can act as if the end user spelled the name
@@ -47,30 +47,49 @@ int hex_to_bytes(unsigned char *binary, const char *hex, size_t len)
return 0;
}
-int get_sha1_hex(const char *hex, unsigned char *sha1)
+static int get_hash_hex_algop(const char *hex, unsigned char *hash,
+ const struct git_hash_algo *algop)
{
int i;
- for (i = 0; i < the_hash_algo->rawsz; i++) {
+ for (i = 0; i < algop->rawsz; i++) {
int val = hex2chr(hex);
if (val < 0)
return -1;
- *sha1++ = val;
+ *hash++ = val;
hex += 2;
}
return 0;
}
+int get_sha1_hex(const char *hex, unsigned char *sha1)
+{
+ return get_hash_hex_algop(hex, sha1, the_hash_algo);
+}
+
+int get_oid_hex_algop(const char *hex, struct object_id *oid,
+ const struct git_hash_algo *algop)
+{
+ return get_hash_hex_algop(hex, oid->hash, algop);
+}
+
int get_oid_hex(const char *hex, struct object_id *oid)
{
- return get_sha1_hex(hex, oid->hash);
+ return get_oid_hex_algop(hex, oid, the_hash_algo);
+}
+
+int parse_oid_hex_algop(const char *hex, struct object_id *oid,
+ const char **end,
+ const struct git_hash_algo *algop)
+{
+ int ret = get_hash_hex_algop(hex, oid->hash, algop);
+ if (!ret)
+ *end = hex + algop->hexsz;
+ return ret;
}
int parse_oid_hex(const char *hex, struct object_id *oid, const char **end)
{
- int ret = get_oid_hex(hex, oid);
- if (!ret)
- *end = hex + the_hash_algo->hexsz;
- return ret;
+ return parse_oid_hex_algop(hex, oid, end, the_hash_algo);
}
char *hash_to_hex_algop_r(char *buffer, const unsigned char *hash,
Introduce variants of get_oid_hex and parse_oid_hex that parse an arbitrary hash algorithm, implementing internal functions to avoid duplication. These functions can be used in the transport code to parse refs properly. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> --- cache.h | 7 +++++++ hex.c | 35 +++++++++++++++++++++++++++-------- 2 files changed, 34 insertions(+), 8 deletions(-)