commit 70b8fa9287a63564c07fb972714585fb10b78761
from: Omar Polo <op@omarpolo.com>
via: Thomas Adam <thomas@xteddy.org>
date: Sat Feb 25 00:43:33 2023 UTC

add some helper functions to compute hashes

This adds a set of functions to abstract over SHA1Init, SHA1Update,
SHA1Final, their respective SHA256 variants and how to compare digests.
Replace all the SHA1*() usage with the new APIs.  It's a preparatory
step for sha256 handling.

ok stsp@

commit - b1ec8cee26c37a4d2687babea76a8ba4e7d724ad
commit + 70b8fa9287a63564c07fb972714585fb10b78761
blob - ae96825b2544aed0b77b6b83a68e89e97d24c0f1
blob + 9133b40383747d7fbabbf59b4dee0ff47cba156b
--- lib/pack_create.c
+++ lib/pack_create.c
@@ -1600,8 +1600,8 @@ write_packed_object(off_t *packfile_size, int packfd,
 	struct got_raw_object *raw = NULL;
 	off_t outlen, delta_offset;
 
-	memset(&csum, 0, sizeof(csum));
 	csum.output_ctx = ctx;
+	csum.output_crc = NULL;
 
 	if (m->reused_delta_offset)
 		delta_offset = m->reused_delta_offset;