static int check_packed_git_idx(const char *path, unsigned long *idx_size_,
void **idx_map_)
{
- SHA_CTX ctx;
- unsigned char sha1[20];
void *idx_map;
unsigned int *index;
unsigned long idx_size;
int nr, i;
- int fd;
+ int fd = open(path, O_RDONLY);
struct stat st;
-
- fd = open(path, O_RDONLY);
if (fd < 0)
return -1;
if (fstat(fd, &st)) {
if (idx_size != 4*256 + nr * 24 + 20 + 20)
return error("wrong index file size");
- /*
- * File checksum.
- */
- SHA1_Init(&ctx);
- SHA1_Update(&ctx, idx_map, idx_size-20);
- SHA1_Final(sha1, &ctx);
-
- if (memcmp(sha1, idx_map + idx_size - 20, 20))
- return error("index checksum mismatch");
-
return 0;
}