[PATCH v3 01/19] hash.h: provide constants for the hash IDs
From: Han-Wen Nienhuys via GitGitGadget <hidden>
Date: 2021-09-28 15:10:30
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Han-Wen Nienhuys <redacted> This will simplify referencing them from code that is not deeply integrated with Git, in particular, the reftable library. Signed-off-by: Han-Wen Nienhuys <redacted> --- hash.h | 6 ++++++ object-file.c | 7 ++----- 2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/hash.h b/hash.h
index 9e25c40e9ac..5d40368f18a 100644
--- a/hash.h
+++ b/hash.h@@ -95,12 +95,18 @@ static inline void git_SHA256_Clone(git_SHA256_CTX *dst, const git_SHA256_CTX *s /* Number of algorithms supported (including unknown). */ #define GIT_HASH_NALGOS (GIT_HASH_SHA256 + 1) +/* "sha1", big-endian */ +#define GIT_SHA1_FORMAT_ID 0x73686131 + /* The length in bytes and in hex digits of an object name (SHA-1 value). */ #define GIT_SHA1_RAWSZ 20 #define GIT_SHA1_HEXSZ (2 * GIT_SHA1_RAWSZ) /* The block size of SHA-1. */ #define GIT_SHA1_BLKSZ 64 +/* "s256", big-endian */ +#define GIT_SHA256_FORMAT_ID 0x73323536 + /* The length in bytes and in hex digits of an object name (SHA-256 value). */ #define GIT_SHA256_RAWSZ 32 #define GIT_SHA256_HEXSZ (2 * GIT_SHA256_RAWSZ)
diff --git a/object-file.c b/object-file.c
index be4f94ecf3b..0ed2a35de73 100644
--- a/object-file.c
+++ b/object-file.c@@ -165,7 +165,6 @@ static void git_hash_unknown_final_oid(struct object_id *oid, git_hash_ctx *ctx) BUG("trying to finalize unknown hash"); } - const struct git_hash_algo hash_algos[GIT_HASH_NALGOS] = { { NULL,
@@ -184,8 +183,7 @@ const struct git_hash_algo hash_algos[GIT_HASH_NALGOS] = { }, { "sha1", - /* "sha1", big-endian */ - 0x73686131, + GIT_SHA1_FORMAT_ID, GIT_SHA1_RAWSZ, GIT_SHA1_HEXSZ, GIT_SHA1_BLKSZ,
@@ -200,8 +198,7 @@ const struct git_hash_algo hash_algos[GIT_HASH_NALGOS] = { }, { "sha256", - /* "s256", big-endian */ - 0x73323536, + GIT_SHA256_FORMAT_ID, GIT_SHA256_RAWSZ, GIT_SHA256_HEXSZ, GIT_SHA256_BLKSZ,
--
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