diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/hash/hash_common_crypto.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/hash/hash_common_crypto.h b/src/hash/hash_common_crypto.h index eeeddd0cc..4cd229d3c 100644 --- a/src/hash/hash_common_crypto.h +++ b/src/hash/hash_common_crypto.h @@ -16,6 +16,8 @@ struct git_hash_ctx { CC_SHA1_CTX c; }; +#define CC_LONG_MAX ((CC_LONG)-1) + #define git_hash_global_init() 0 #define git_hash_ctx_init(ctx) git_hash_init(ctx) #define git_hash_ctx_cleanup(ctx) @@ -27,10 +29,21 @@ GIT_INLINE(int) git_hash_init(git_hash_ctx *ctx) return 0; } -GIT_INLINE(int) git_hash_update(git_hash_ctx *ctx, const void *data, size_t len) +GIT_INLINE(int) git_hash_update(git_hash_ctx *ctx, const void *_data, size_t len) { + const unsigned char *data = _data; + assert(ctx); - CC_SHA1_Update(&ctx->c, data, len); + + while (len > 0) { + CC_LONG chunk = (len > CC_LONG_MAX) ? CC_LONG_MAX : (CC_LONG)len; + + CC_SHA1_Update(&ctx->c, data, chunk); + + data += chunk; + len -= chunk; + } + return 0; } |