Replace update_crc32 helper function with crc32 from zlib

It is optimized to the maximum and if we already use zlib anyway,
why not use zlib crc32? This also makes zlib a hard dependency which
also means the whole "do we have a compressor" sanity check in the
build system can be removed.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 0 insertions, 40 deletions

diff --git a/tests/crc32.c b/tests/crc32.c
deleted file mode 100644
index 669c6a4..0000000
--- a/tests/crc32.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * crc32.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-#include "util.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-static const struct {
-	const char *str;
-	uint32_t result;
-} test_vectors[] = {
-	{ "", 0 },
-	{ "Hello, World!", 0xEC4AC3D0 },
-	{ "The quick brown fox jumps over the lazy dog", 0x414FA339 },
-};
-
-int main(void)
-{
-	uint32_t crc;
-	size_t i;
-
-	for (i = 0; i < sizeof(test_vectors) / sizeof(test_vectors[0]); ++i) {
-		crc = update_crc32(0, test_vectors[i].str,
-				   strlen(test_vectors[i].str));
-
-		if (crc != test_vectors[i].result) {
-			fprintf(stderr, "Case %zu failed: %08X != %08X\n", i,
-				crc, test_vectors[i].result);
-			return EXIT_FAILURE;
-		}
-	}
-
-	return EXIT_SUCCESS;
-}