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-rw-r--r--cache.h15
-rw-r--r--hex.c30
2 files changed, 32 insertions, 13 deletions
diff --git a/cache.h b/cache.h
index d508f3d4f8..2ead61f05a 100644
--- a/cache.h
+++ b/cache.h
@@ -1361,9 +1361,9 @@ extern int get_oid_hex(const char *hex, struct object_id *sha1);
extern int hex_to_bytes(unsigned char *binary, const char *hex, size_t len);
/*
- * Convert a binary sha1 to its hex equivalent. The `_r` variant is reentrant,
+ * Convert a binary hash to its hex equivalent. The `_r` variant is reentrant,
* and writes the NUL-terminated output to the buffer `out`, which must be at
- * least `GIT_SHA1_HEXSZ + 1` bytes, and returns a pointer to out for
+ * least `GIT_MAX_HEXSZ + 1` bytes, and returns a pointer to out for
* convenience.
*
* The non-`_r` variant returns a static buffer, but uses a ring of 4
@@ -1371,10 +1371,13 @@ extern int hex_to_bytes(unsigned char *binary, const char *hex, size_t len);
*
* printf("%s -> %s", sha1_to_hex(one), sha1_to_hex(two));
*/
-extern char *sha1_to_hex_r(char *out, const unsigned char *sha1);
-extern char *oid_to_hex_r(char *out, const struct object_id *oid);
-extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
-extern char *oid_to_hex(const struct object_id *oid); /* same static buffer as sha1_to_hex */
+char *hash_to_hex_algop_r(char *buffer, const unsigned char *hash, const struct git_hash_algo *);
+char *sha1_to_hex_r(char *out, const unsigned char *sha1);
+char *oid_to_hex_r(char *out, const struct object_id *oid);
+char *hash_to_hex_algop(const unsigned char *hash, const struct git_hash_algo *); /* static buffer result! */
+char *sha1_to_hex(const unsigned char *sha1); /* same static buffer */
+char *hash_to_hex(const unsigned char *hash); /* same static buffer */
+char *oid_to_hex(const struct object_id *oid); /* same static buffer */
/*
* Parse a 40-character hexadecimal object ID starting from hex, updating the
diff --git a/hex.c b/hex.c
index 10af1a29e8..7850a8879d 100644
--- a/hex.c
+++ b/hex.c
@@ -73,14 +73,15 @@ int parse_oid_hex(const char *hex, struct object_id *oid, const char **end)
return ret;
}
-char *sha1_to_hex_r(char *buffer, const unsigned char *sha1)
+char *hash_to_hex_algop_r(char *buffer, const unsigned char *hash,
+ const struct git_hash_algo *algop)
{
static const char hex[] = "0123456789abcdef";
char *buf = buffer;
int i;
- for (i = 0; i < the_hash_algo->rawsz; i++) {
- unsigned int val = *sha1++;
+ for (i = 0; i < algop->rawsz; i++) {
+ unsigned int val = *hash++;
*buf++ = hex[val >> 4];
*buf++ = hex[val & 0xf];
}
@@ -89,20 +90,35 @@ char *sha1_to_hex_r(char *buffer, const unsigned char *sha1)
return buffer;
}
+char *sha1_to_hex_r(char *buffer, const unsigned char *sha1)
+{
+ return hash_to_hex_algop_r(buffer, sha1, &hash_algos[GIT_HASH_SHA1]);
+}
+
char *oid_to_hex_r(char *buffer, const struct object_id *oid)
{
- return sha1_to_hex_r(buffer, oid->hash);
+ return hash_to_hex_algop_r(buffer, oid->hash, the_hash_algo);
}
-char *sha1_to_hex(const unsigned char *sha1)
+char *hash_to_hex_algop(const unsigned char *hash, const struct git_hash_algo *algop)
{
static int bufno;
static char hexbuffer[4][GIT_MAX_HEXSZ + 1];
bufno = (bufno + 1) % ARRAY_SIZE(hexbuffer);
- return sha1_to_hex_r(hexbuffer[bufno], sha1);
+ return hash_to_hex_algop_r(hexbuffer[bufno], hash, algop);
+}
+
+char *sha1_to_hex(const unsigned char *sha1)
+{
+ return hash_to_hex_algop(sha1, &hash_algos[GIT_HASH_SHA1]);
+}
+
+char *hash_to_hex(const unsigned char *hash)
+{
+ return hash_to_hex_algop(hash, the_hash_algo);
}
char *oid_to_hex(const struct object_id *oid)
{
- return sha1_to_hex(oid->hash);
+ return hash_to_hex_algop(oid->hash, the_hash_algo);
}