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-rw-r--r--cache.h2
-rw-r--r--index-pack.c21
-rw-r--r--sha1_file.c4
3 files changed, 4 insertions, 23 deletions
diff --git a/cache.h b/cache.h
index 1b50a742a3..384b260227 100644
--- a/cache.h
+++ b/cache.h
@@ -283,7 +283,7 @@ char *enter_repo(char *path, int strict);
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern int sha1_object_info(const unsigned char *, unsigned long *);
extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size);
-extern int hash_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *sha1);
+extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
diff --git a/index-pack.c b/index-pack.c
index 4effb2da6d..f314937a5b 100644
--- a/index-pack.c
+++ b/index-pack.c
@@ -348,26 +348,7 @@ static void sha1_object(const void *data, unsigned long size,
enum object_type type, unsigned char *sha1,
int test_for_collision)
{
- SHA_CTX ctx;
- char header[50];
- int header_size;
- const char *type_str;
-
- switch (type) {
- case OBJ_COMMIT: type_str = commit_type; break;
- case OBJ_TREE: type_str = tree_type; break;
- case OBJ_BLOB: type_str = blob_type; break;
- case OBJ_TAG: type_str = tag_type; break;
- default:
- die("bad type %d", type);
- }
-
- header_size = sprintf(header, "%s %lu", type_str, size) + 1;
-
- SHA1_Init(&ctx);
- SHA1_Update(&ctx, header, header_size);
- SHA1_Update(&ctx, data, size);
- SHA1_Final(sha1, &ctx);
+ hash_sha1_file(data, size, typename(type), sha1);
if (test_for_collision && has_sha1_file(sha1)) {
void *has_data;
diff --git a/sha1_file.c b/sha1_file.c
index c445a24718..64d9813a92 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -1808,7 +1808,7 @@ void *read_object_with_reference(const unsigned char *sha1,
}
}
-static void write_sha1_file_prepare(void *buf, unsigned long len,
+static void write_sha1_file_prepare(const void *buf, unsigned long len,
const char *type, unsigned char *sha1,
char *hdr, int *hdrlen)
{
@@ -1936,7 +1936,7 @@ static void setup_object_header(z_stream *stream, const char *type, unsigned lon
stream->avail_out -= hdrlen;
}
-int hash_sha1_file(void *buf, unsigned long len, const char *type,
+int hash_sha1_file(const void *buf, unsigned long len, const char *type,
unsigned char *sha1)
{
char hdr[32];