Merge functionality of file on disk and file in sqfs compare functions

Moving towards unified sqfs vs sqfs, sqfs vs dir, dir vs sqfs
comparisions.

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

1 files changed, 0 insertions, 54 deletions

diff --git a/difftool/compare_files_sqfs.c b/difftool/compare_files_sqfs.c
deleted file mode 100644
index 32b97b1..0000000
--- a/difftool/compare_files_sqfs.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * compare_file_sfqs.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "difftool.h"
-
-static unsigned char a_buf[MAX_WINDOW_SIZE];
-static unsigned char b_buf[MAX_WINDOW_SIZE];
-
-int compare_files(file_info_t *a, file_info_t *b, const char *path)
-{
-	uint64_t offset, diff;
-	ssize_t ret;
-
-	if (a->size != b->size)
-		goto out_different;
-
-	if (compare_flags & COMPARE_NO_CONTENTS)
-		return 0;
-
-	for (offset = 0; offset < a->size; offset += diff) {
-		diff = a->size - offset;
-
-		if (diff > MAX_WINDOW_SIZE)
-			diff = MAX_WINDOW_SIZE;
-
-		ret = data_reader_read(sqfs_a.data, a, offset, a_buf, diff);
-		if (ret < 0 || (size_t)ret < diff) {
-			fprintf(stderr, "Failed to read %s from %s\n",
-				path, first_path);
-			return -1;
-		}
-
-		ret = data_reader_read(sqfs_b.data, b, offset, b_buf, diff);
-		if (ret < 0 || (size_t)ret < diff) {
-			fprintf(stderr, "Failed to read %s from %s\n",
-				path, second_path);
-			return -1;
-		}
-
-		if (memcmp(a_buf, b_buf, diff) != 0)
-			goto out_different;
-	}
-
-	return 0;
-out_different:
-	if (compare_flags & COMPARE_EXTRACT_FILES) {
-		if (extract_files(a, b, path))
-			return -1;
-	}
-	return 1;
-}