From 8297b3faf8606762b176d57637f2ec5f84601e0d Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Date: Sat, 4 Dec 2021 21:12:06 +0100
Subject: Fix: unit test and sample program Windows build

Now that there is a wrapper for main() on Windows, all executable
programs must use a common, cannonical signature for main().

Furthermore, the Windows version of the epoch test needs wrappers
for setenv/unsetenv.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
---
 extras/mk42sqfs.c                   | 3 ++-
 extras/mknastyfs.c                  | 3 ++-
 tests/libfstream/get_line.c         | 4 +++-
 tests/libfstream/uncompress.c       | 3 ++-
 tests/libfstree/Makemodule.am       | 4 +++-
 tests/libfstree/add_by_path.c       | 3 ++-
 tests/libfstree/canonicalize_name.c | 3 ++-
 tests/libfstree/filename_sane.c     | 3 ++-
 tests/libfstree/fstree_from_dir.c   | 3 ++-
 tests/libfstree/fstree_from_file.c  | 3 ++-
 tests/libfstree/fstree_glob1.c      | 3 ++-
 tests/libfstree/fstree_init.c       | 3 ++-
 tests/libfstree/fstree_sort.c       | 4 +++-
 tests/libfstree/gen_inode_numbers.c | 3 ++-
 tests/libfstree/get_path.c          | 3 ++-
 tests/libfstree/mknode_dir.c        | 3 ++-
 tests/libfstree/mknode_reg.c        | 3 ++-
 tests/libfstree/mknode_simple.c     | 3 ++-
 tests/libfstree/mknode_slink.c      | 3 ++-
 tests/libsqfs/Makemodule.am         | 6 +++---
 tests/libsqfs/abi.c                 | 3 ++-
 tests/libsqfs/table.c               | 3 ++-
 tests/libsqfs/xattr_writer.c        | 3 ++-
 tests/libtar/tar_big_file.c         | 3 ++-
 tests/libtar/tar_simple.c           | 3 ++-
 tests/libtar/tar_sparse.c           | 3 ++-
 tests/libtar/tar_sparse_gnu.c       | 3 ++-
 tests/libtar/tar_target_filled.c    | 3 ++-
 tests/libtar/tar_xattr.c            | 3 ++-
 tests/libtar/tar_xattr_bin.c        | 3 ++-
 tests/libutil/is_memory_zero.c      | 3 ++-
 tests/libutil/rbtree.c              | 3 ++-
 tests/libutil/str_table.c           | 3 ++-
 tests/libutil/threadpool.c          | 3 ++-
 tests/libutil/xxhash.c              | 3 ++-
 35 files changed, 74 insertions(+), 37 deletions(-)

diff --git a/extras/mk42sqfs.c b/extras/mk42sqfs.c
index d437ce7..e9b0823 100644
--- a/extras/mk42sqfs.c
+++ b/extras/mk42sqfs.c
@@ -53,7 +53,7 @@ static sqfs_inode_generic_t *create_file_inode(sqfs_id_table_t *idtbl,
 	return inode;
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	sqfs_meta_writer_t *inode_m, *dir_m;
 	int ret, status = EXIT_FAILURE;
@@ -68,6 +68,7 @@ int main(void)
 	sqfs_file_t *file;
 	sqfs_u32 offset;
 	char buffer[32];
+	(void)argc; (void)argv;
 
 	/* get a file object referring to our destination file */
 	file = sqfs_open_file("42.sqfs", SQFS_FILE_OPEN_OVERWRITE);
diff --git a/extras/mknastyfs.c b/extras/mknastyfs.c
index ecc6b8a..c65759c 100644
--- a/extras/mknastyfs.c
+++ b/extras/mknastyfs.c
@@ -49,7 +49,7 @@ static sqfs_inode_generic_t *create_file_inode(sqfs_id_table_t *idtbl,
 	return inode;
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	sqfs_meta_writer_t *inode_m, *dir_m;
 	int ret, status = EXIT_FAILURE;
@@ -63,6 +63,7 @@ int main(void)
 	sqfs_super_t super;
 	sqfs_file_t *file;
 	sqfs_u32 offset;
+	(void)argc; (void)argv;
 
 	/* get a file object referring to our destination file */
 	file = sqfs_open_file("nasty.sqfs", 0);
diff --git a/tests/libfstream/get_line.c b/tests/libfstream/get_line.c
index a2f6d85..7d9a26a 100644
--- a/tests/libfstream/get_line.c
+++ b/tests/libfstream/get_line.c
@@ -143,8 +143,10 @@ static const line_t lines_no_empty_trim[] = {
 	{ 10, "dog" },
 };
 
-int main(void)
+int main(int argc, char **argv)
 {
+	(void)argc; (void)argv;
+
 	run_test_case(lines_raw, 11, 0);
 	run_test_case(lines_ltrim, 11, ISTREAM_LINE_LTRIM);
 	run_test_case(lines_rtrim, 11, ISTREAM_LINE_RTRIM);
diff --git a/tests/libfstream/uncompress.c b/tests/libfstream/uncompress.c
index 3e4679d..5f0cbec 100644
--- a/tests/libfstream/uncompress.c
+++ b/tests/libfstream/uncompress.c
@@ -384,13 +384,14 @@ static istream_t memstream = {
 	.get_filename = get_filename,
 };
 
-int main(void)
+int main(int argc, char **argv)
 {
 	char buffer[2 * (sizeof(orig) / sizeof(orig[0]))];
 	const char *name;
 	istream_t *xfrm;
 	size_t orig_sz;
 	int ret;
+	(void)argc; (void)argv;
 
 	/* XXX: null terminator not included in the compressed blob */
 	orig_sz = (sizeof(orig) / sizeof(orig[0])) - 1;
diff --git a/tests/libfstree/Makemodule.am b/tests/libfstree/Makemodule.am
index 8248f5c..022b8e4 100644
--- a/tests/libfstree/Makemodule.am
+++ b/tests/libfstree/Makemodule.am
@@ -2,7 +2,7 @@ FSTDATADIR=$(top_srcdir)/tests/libfstree
 
 test_canonicalize_name_SOURCES = tests/libfstree/canonicalize_name.c
 test_canonicalize_name_SOURCES += tests/test.h
-test_canonicalize_name_LDADD = libfstree.a
+test_canonicalize_name_LDADD = libfstree.a libcompat.a
 
 test_mknode_simple_SOURCES = tests/libfstree/mknode_simple.c tests/test.h
 test_mknode_simple_LDADD = libfstree.a libcompat.a
@@ -50,10 +50,12 @@ test_fstree_init_LDADD = libfstree.a libfstream.a libcompat.a
 
 test_filename_sane_SOURCES = tests/libfstree/filename_sane.c
 test_filename_sane_SOURCES += lib/fstree/filename_sane.c
+test_filename_sane_LDADD = libcompat.a
 
 test_filename_sane_w32_SOURCES = tests/libfstree/filename_sane.c
 test_filename_sane_w32_SOURCES += lib/fstree/filename_sane.c
 test_filename_sane_w32_CPPFLAGS = $(AM_CPPFLAGS) -DTEST_WIN32=1
+test_filename_sane_w32_LDADD = libcompat.a
 
 fstree_fuzz_SOURCES = tests/libfstree/fstree_fuzz.c
 fstree_fuzz_LDADD = libfstree.a libfstream.a libcompat.a
diff --git a/tests/libfstree/add_by_path.c b/tests/libfstree/add_by_path.c
index 94c0dc9..b21c696 100644
--- a/tests/libfstree/add_by_path.c
+++ b/tests/libfstree/add_by_path.c
@@ -9,12 +9,13 @@
 #include "fstree.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *a, *b;
 	struct stat sb;
 	fstree_t fs;
 	char *opts;
+	(void)argc; (void)argv;
 
 	opts = strdup("mode=0755,uid=21,gid=42");
 	TEST_ASSERT(fstree_init(&fs, opts) == 0);
diff --git a/tests/libfstree/canonicalize_name.c b/tests/libfstree/canonicalize_name.c
index 37b07e3..f1eb1c1 100644
--- a/tests/libfstree/canonicalize_name.c
+++ b/tests/libfstree/canonicalize_name.c
@@ -40,10 +40,11 @@ static const char *must_not_work[] = {
 	"foo/bar/../",
 };
 
-int main(void)
+int main(int argc, char **argv)
 {
 	char buffer[512];
 	size_t i;
+	(void)argc; (void)argv;
 
 	for (i = 0; i < sizeof(must_work) / sizeof(must_work[0]); ++i) {
 		strcpy(buffer, must_work[i].in);
diff --git a/tests/libfstree/filename_sane.c b/tests/libfstree/filename_sane.c
index 4d25b33..11f27da 100644
--- a/tests/libfstree/filename_sane.c
+++ b/tests/libfstree/filename_sane.c
@@ -40,9 +40,10 @@ static const char *must_not_work_here[] = {
 	NULL,
 };
 
-int main(void)
+int main(int argc, char **argv)
 {
 	size_t i;
+	(void)argc; (void)argv;
 
 	for (i = 0; must_work[i] != NULL; ++i) {
 		if (!is_filename_sane(must_work[i], false)) {
diff --git a/tests/libfstree/fstree_from_dir.c b/tests/libfstree/fstree_from_dir.c
index 7db1b74..845586f 100644
--- a/tests/libfstree/fstree_from_dir.c
+++ b/tests/libfstree/fstree_from_dir.c
@@ -313,11 +313,12 @@ static void check_hierarchy(tree_node_t *root, bool recursive)
 	TEST_NULL(n);
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	struct stat sb;
 	tree_node_t *n;
 	fstree_t fs;
+	(void)argc; (void)argv;
 
 	/* recursively scan into root */
 	TEST_ASSERT(fstree_init(&fs, NULL) == 0);
diff --git a/tests/libfstree/fstree_from_file.c b/tests/libfstree/fstree_from_file.c
index 5d37960..08277e6 100644
--- a/tests/libfstree/fstree_from_file.c
+++ b/tests/libfstree/fstree_from_file.c
@@ -9,10 +9,11 @@
 #include "fstree.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *n;
 	fstree_t fs;
+	(void)argc; (void)argv;
 
 	TEST_ASSERT(fstree_init(&fs, NULL) == 0);
 	TEST_ASSERT(fstree_from_file(&fs, TEST_PATH, NULL) == 0);
diff --git a/tests/libfstree/fstree_glob1.c b/tests/libfstree/fstree_glob1.c
index 708b0e8..08e39bd 100644
--- a/tests/libfstree/fstree_glob1.c
+++ b/tests/libfstree/fstree_glob1.c
@@ -204,10 +204,11 @@ static void check_hierarchy(tree_node_t *root, bool subdir, bool recursive)
 	TEST_NULL(n);
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	fstree_t fs;
 	int ret;
+	(void)argc; (void)argv;
 
 	/* first test case, directory tree only */
 	ret = fstree_init(&fs, NULL);
diff --git a/tests/libfstree/fstree_init.c b/tests/libfstree/fstree_init.c
index a101143..5f701cb 100644
--- a/tests/libfstree/fstree_init.c
+++ b/tests/libfstree/fstree_init.c
@@ -10,10 +10,11 @@
 #include "internal.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	fstree_t fs;
 	char *str;
+	(void)argc; (void)argv;
 
 	str = strdup("mtime=1337,uid=1000,gid=100,mode=0321");
 	TEST_NOT_NULL(str);
diff --git a/tests/libfstree/fstree_sort.c b/tests/libfstree/fstree_sort.c
index 6fc7543..618ae9f 100644
--- a/tests/libfstree/fstree_sort.c
+++ b/tests/libfstree/fstree_sort.c
@@ -10,11 +10,13 @@
 #include "internal.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *a, *b, *c, *d;
 	struct stat sb;
 	fstree_t fs;
+	int ret;
+	(void)argc; (void)argv;
 
 	memset(&fs, 0, sizeof(fs));
 	memset(&sb, 0, sizeof(sb));
diff --git a/tests/libfstree/gen_inode_numbers.c b/tests/libfstree/gen_inode_numbers.c
index 8ee2315..eef5678 100644
--- a/tests/libfstree/gen_inode_numbers.c
+++ b/tests/libfstree/gen_inode_numbers.c
@@ -44,10 +44,11 @@ static void check_children_continuous(tree_node_t *root)
 		check_children_continuous(n);
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *a, *b, *c;
 	fstree_t fs;
+	(void)argc; (void)argv;
 
 	// inode table for the empty tree
 	TEST_ASSERT(fstree_init(&fs, NULL) == 0);
diff --git a/tests/libfstree/get_path.c b/tests/libfstree/get_path.c
index 9bf618b..26dd9ea 100644
--- a/tests/libfstree/get_path.c
+++ b/tests/libfstree/get_path.c
@@ -9,12 +9,13 @@
 #include "fstree.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *a, *b, *c, *d;
 	struct stat sb;
 	fstree_t fs;
 	char *str;
+	(void)argc; (void)argv;
 
 	TEST_ASSERT(fstree_init(&fs, NULL) == 0);
 
diff --git a/tests/libfstree/mknode_dir.c b/tests/libfstree/mknode_dir.c
index be1156f..900edaa 100644
--- a/tests/libfstree/mknode_dir.c
+++ b/tests/libfstree/mknode_dir.c
@@ -9,11 +9,12 @@
 #include "fstree.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *root, *a, *b;
 	struct stat sb;
 	fstree_t fs;
+	(void)argc; (void)argv;
 
 	memset(&fs, 0, sizeof(fs));
 	memset(&sb, 0, sizeof(sb));
diff --git a/tests/libfstree/mknode_reg.c b/tests/libfstree/mknode_reg.c
index 1f7ec88..debecd9 100644
--- a/tests/libfstree/mknode_reg.c
+++ b/tests/libfstree/mknode_reg.c
@@ -9,11 +9,12 @@
 #include "fstree.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *node;
 	struct stat sb;
 	fstree_t fs;
+	(void)argc; (void)argv;
 
 	memset(&fs, 0, sizeof(fs));
 
diff --git a/tests/libfstree/mknode_simple.c b/tests/libfstree/mknode_simple.c
index b8505ed..4e8978c 100644
--- a/tests/libfstree/mknode_simple.c
+++ b/tests/libfstree/mknode_simple.c
@@ -9,11 +9,12 @@
 #include "fstree.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *node;
 	struct stat sb;
 	fstree_t fs;
+	(void)argc; (void)argv;
 
 	memset(&fs, 0, sizeof(fs));
 	memset(&sb, 0, sizeof(sb));
diff --git a/tests/libfstree/mknode_slink.c b/tests/libfstree/mknode_slink.c
index 29f2679..4b23951 100644
--- a/tests/libfstree/mknode_slink.c
+++ b/tests/libfstree/mknode_slink.c
@@ -9,11 +9,12 @@
 #include "fstree.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tree_node_t *node;
 	struct stat sb;
 	fstree_t fs;
+	(void)argc; (void)argv;
 
 	memset(&fs, 0, sizeof(fs));
 	memset(&sb, 0, sizeof(sb));
diff --git a/tests/libsqfs/Makemodule.am b/tests/libsqfs/Makemodule.am
index 33567b0..514571d 100644
--- a/tests/libsqfs/Makemodule.am
+++ b/tests/libsqfs/Makemodule.am
@@ -1,11 +1,11 @@
 test_abi_SOURCES = tests/libsqfs/abi.c tests/test.h
-test_abi_LDADD = libsquashfs.la
+test_abi_LDADD = libsquashfs.la libcompat.a
 
 test_table_SOURCES = tests/libsqfs/table.c tests/test.h
-test_table_LDADD = libsquashfs.la
+test_table_LDADD = libsquashfs.la libcompat.a
 
 test_xattr_writer_SOURCES = tests/libsqfs/xattr_writer.c tests/test.h
-test_xattr_writer_LDADD = libsquashfs.la
+test_xattr_writer_LDADD = libsquashfs.la libcompat.a
 
 xattr_benchmark_SOURCES = tests/libsqfs/xattr_benchmark.c
 xattr_benchmark_LDADD = libcommon.a libsquashfs.la libcompat.a
diff --git a/tests/libsqfs/abi.c b/tests/libsqfs/abi.c
index d409f67..3bdc4f5 100644
--- a/tests/libsqfs/abi.c
+++ b/tests/libsqfs/abi.c
@@ -163,8 +163,9 @@ static void test_blockproc_desc(void)
 		      (4 * sizeof(sqfs_u32) + 4 * sizeof(void *)));
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
+	(void)argc; (void)argv;
 	test_compressor_opt_struct();
 	test_compressor_names();
 	test_blockproc_stats();
diff --git a/tests/libsqfs/table.c b/tests/libsqfs/table.c
index 0b1ab93..5f240cc 100644
--- a/tests/libsqfs/table.c
+++ b/tests/libsqfs/table.c
@@ -111,12 +111,13 @@ static sqfs_compressor_t dummy_uncompressor = {
 
 static sqfs_u64 table[4000];
 
-int main(void)
+int main(int argc, char **argv)
 {
 	sqfs_u64 start, value, locations[4], *copy;
 	sqfs_u16 hdr;
 	size_t i;
 	int ret;
+	(void)argc; (void)argv;
 
 	/* fill the table with data */
 	for (i = 0; i < sizeof(table) / sizeof(table[0]); ++i)
diff --git a/tests/libsqfs/xattr_writer.c b/tests/libsqfs/xattr_writer.c
index 8860f42..6fa0355 100644
--- a/tests/libsqfs/xattr_writer.c
+++ b/tests/libsqfs/xattr_writer.c
@@ -71,7 +71,7 @@ static sqfs_compressor_t dummy_compressor = {
 
 /*****************************************************************************/
 
-int main(void)
+int main(int argc, char **argv)
 {
 	size_t offset, ool_value_offset, id_offset;
 	sqfs_xattr_id_table_t idtbl;
@@ -85,6 +85,7 @@ int main(void)
 	sqfs_u64 ref;
 	sqfs_u32 id;
 	int ret;
+	(void)argc; (void)argv;
 
 	/* setup */
 	xwr = sqfs_xattr_writer_create(0);
diff --git a/tests/libtar/tar_big_file.c b/tests/libtar/tar_big_file.c
index 69263ef..abea1ef 100644
--- a/tests/libtar/tar_big_file.c
+++ b/tests/libtar/tar_big_file.c
@@ -8,10 +8,11 @@
 #include "tar.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tar_header_decoded_t hdr;
 	istream_t *fp;
+	(void)argc; (void)argv;
 
 	fp = istream_open_file(STRVALUE(TESTPATH) "/" STRVALUE(TESTFILE));
 	TEST_NOT_NULL(fp);
diff --git a/tests/libtar/tar_simple.c b/tests/libtar/tar_simple.c
index ffaafea..54b06c8 100644
--- a/tests/libtar/tar_simple.c
+++ b/tests/libtar/tar_simple.c
@@ -33,12 +33,13 @@ static const char *fname =
 static const char *fname = STRVALUE(TESTFNAME);
 #endif
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tar_header_decoded_t hdr;
 	char buffer[6];
 	sqfs_s64 ts;
 	istream_t *fp;
+	(void)argc; (void)argv;
 
 	fp = istream_open_file(STRVALUE(TESTPATH) "/" STRVALUE(TESTFILE));
 	TEST_NOT_NULL(fp);
diff --git a/tests/libtar/tar_sparse.c b/tests/libtar/tar_sparse.c
index c4e1c71..c4313f0 100644
--- a/tests/libtar/tar_sparse.c
+++ b/tests/libtar/tar_sparse.c
@@ -78,8 +78,9 @@ static void test_case_sparse(const char *path)
 	sqfs_destroy(fp);
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
+	(void)argc; (void)argv;
 	test_case_sparse( STRVALUE(TESTPATH) "/" STRVALUE(TESTFILE) );
 	return EXIT_SUCCESS;
 }
diff --git a/tests/libtar/tar_sparse_gnu.c b/tests/libtar/tar_sparse_gnu.c
index 1405026..06f79f1 100644
--- a/tests/libtar/tar_sparse_gnu.c
+++ b/tests/libtar/tar_sparse_gnu.c
@@ -8,11 +8,12 @@
 #include "tar.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tar_header_decoded_t hdr;
 	sparse_map_t *sparse;
 	istream_t *fp;
+	(void)argc; (void)argv;
 
 	TEST_ASSERT(chdir(TEST_PATH) == 0);
 
diff --git a/tests/libtar/tar_target_filled.c b/tests/libtar/tar_target_filled.c
index 0028e5e..f0f4026 100644
--- a/tests/libtar/tar_target_filled.c
+++ b/tests/libtar/tar_target_filled.c
@@ -8,11 +8,12 @@
 #include "tar.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tar_header_decoded_t hdr;
 	char buffer[16];
 	istream_t *fp;
+	(void)argc; (void)argv;
 
 	TEST_ASSERT(chdir(TEST_PATH) == 0);
 
diff --git a/tests/libtar/tar_xattr.c b/tests/libtar/tar_xattr.c
index 70329fe..633c3a2 100644
--- a/tests/libtar/tar_xattr.c
+++ b/tests/libtar/tar_xattr.c
@@ -8,11 +8,12 @@
 #include "tar.h"
 #include "../test.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tar_header_decoded_t hdr;
 	char buffer[6];
 	istream_t *fp;
+	(void)argc; (void)argv;
 
 	fp = istream_open_file(STRVALUE(TESTPATH) "/" STRVALUE(TESTFILE));
 	TEST_NOT_NULL(fp);
diff --git a/tests/libtar/tar_xattr_bin.c b/tests/libtar/tar_xattr_bin.c
index 52c407c..f44e26f 100644
--- a/tests/libtar/tar_xattr_bin.c
+++ b/tests/libtar/tar_xattr_bin.c
@@ -16,11 +16,12 @@ static const uint8_t value[] = {
 	0x00, 0x00, 0x00, 0x00,
 };
 
-int main(void)
+int main(int argc, char **argv)
 {
 	tar_header_decoded_t hdr;
 	char buffer[6];
 	istream_t *fp;
+	(void)argc; (void)argv;
 
 	fp = istream_open_file(STRVALUE(TESTPATH) "/" STRVALUE(TESTFILE));
 	TEST_NOT_NULL(fp);
diff --git a/tests/libutil/is_memory_zero.c b/tests/libutil/is_memory_zero.c
index 20bd93f..0d10dd8 100644
--- a/tests/libutil/is_memory_zero.c
+++ b/tests/libutil/is_memory_zero.c
@@ -9,10 +9,11 @@
 #include "../test.h"
 #include "util.h"
 
-int main(void)
+int main(int argc, char **argv)
 {
 	unsigned char temp[1024];
 	size_t i, j;
+	(void)argc; (void)argv;
 
 	memset(temp, 0, sizeof(temp));
 
diff --git a/tests/libutil/rbtree.c b/tests/libutil/rbtree.c
index c430d67..05f7aa3 100644
--- a/tests/libutil/rbtree.c
+++ b/tests/libutil/rbtree.c
@@ -151,7 +151,7 @@ static int check_subtrees_equal(const rbtree_node_t *lhs,
 	return 0;
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	size_t count, blkdepth, mind, maxd;
 	sqfs_s32 key, key2;
@@ -159,6 +159,7 @@ int main(void)
 	rbtree_node_t *n;
 	sqfs_u64 value;
 	int ret;
+	(void)argc; (void)argv;
 
 	TEST_ASSERT(rbtree_init(&rb, sizeof(sqfs_s32),
 				sizeof(sqfs_u64), key_compare) == 0);
diff --git a/tests/libutil/str_table.c b/tests/libutil/str_table.c
index 9baba27..b75bb91 100644
--- a/tests/libutil/str_table.c
+++ b/tests/libutil/str_table.c
@@ -34,11 +34,12 @@ static int read_strings(void)
 	return 0;
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	str_table_t table;
 	size_t i, j, idx;
 	const char *str;
+	(void)argc; (void)argv;
 
 	TEST_ASSERT(chdir(TEST_PATH) == 0);
 
diff --git a/tests/libutil/threadpool.c b/tests/libutil/threadpool.c
index 566239f..cd52ad3 100644
--- a/tests/libutil/threadpool.c
+++ b/tests/libutil/threadpool.c
@@ -40,13 +40,14 @@ static int worker(void *user, void *work_item)
 	return 0;
 }
 
-int main(void)
+int main(int argc, char **argv)
 {
 	unsigned int values[10];
 	thread_pool_t *pool;
 	unsigned int *ptr;
 	size_t i, count;
 	int ret;
+	(void)argc; (void)argv;
 
 	pool = thread_pool_create(10, worker);
 	TEST_NOT_NULL(pool);
diff --git a/tests/libutil/xxhash.c b/tests/libutil/xxhash.c
index 6e17097..b0b1bac 100644
--- a/tests/libutil/xxhash.c
+++ b/tests/libutil/xxhash.c
@@ -44,10 +44,11 @@ static const struct {
 	},
 };
 
-int main(void)
+int main(int argc, char **argv)
 {
 	sqfs_u32 hash;
 	size_t i;
+	(void)argc; (void)argv;
 
 	for (i = 0; i < sizeof(test_vectors) / sizeof(test_vectors[0]); ++i) {
 		hash = xxh32(test_vectors[i].plaintext, test_vectors[i].psize);
-- 
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