t/lib-diff-alternative: abstract away SHA-1-specific constants

diff --git a/csum-file.c b/csum-file.c
index 5eda7fb6af673ae82989dab871aaac74ec9ff629..53ce37f7ca42996dbfb4cf80e2127ea43496734d 100644 (file)
--- a/csum-file.c
+++ b/csum-file.c
@@ -53,7 +53,7 @@ void hashflush(struct hashfile *f)
        }
 }
 
-int hashclose(struct hashfile *f, unsigned char *result, unsigned int flags)
+int finalize_hashfile(struct hashfile *f, unsigned char *result, unsigned int flags)
 {
        int fd;
 
@@ -61,11 +61,11 @@ int hashclose(struct hashfile *f, unsigned char *result, unsigned int flags)
        the_hash_algo->final_fn(f->buffer, &f->ctx);
        if (result)
                hashcpy(result, f->buffer);
-       if (flags & (CSUM_CLOSE | CSUM_FSYNC)) {
-               /* write checksum and close fd */
+       if (flags & CSUM_HASH_IN_STREAM)
                flush(f, f->buffer, the_hash_algo->rawsz);
-               if (flags & CSUM_FSYNC)
-                       fsync_or_die(f->fd, f->name);
+       if (flags & CSUM_FSYNC)
+               fsync_or_die(f->fd, f->name);
+       if (flags & CSUM_CLOSE) {
                if (close(f->fd))
                        die_errno("%s: sha1 file error on close", f->name);
                fd = 0;