From 0f1bedc90f4cb71d965e99446cf3e72a45909346 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Fri, 26 Jul 2019 22:31:55 +0200 Subject: Add utility function to compute crc32 check sums Signed-off-by: David Oberhollenzer --- tests/Makemodule.am | 7 +++++-- tests/crc32.c | 35 +++++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+), 2 deletions(-) create mode 100644 tests/crc32.c (limited to 'tests') diff --git a/tests/Makemodule.am b/tests/Makemodule.am index 60312dc..e681a33 100644 --- a/tests/Makemodule.am +++ b/tests/Makemodule.am @@ -73,12 +73,15 @@ test_str_table_SOURCES = tests/str_table.c test_str_table_LDADD = libutil.a test_str_table_CPPFLAGS = $(AM_CPPFLAGS) -DTESTPATH=$(top_srcdir)/tests +test_crc32_SOURCES = tests/crc32.c +test_crc32_LDADD = libutil.a + check_PROGRAMS += test_canonicalize_name test_mknode_simple test_mknode_slink check_PROGRAMS += test_mknode_reg test_mknode_dir test_gen_inode_table check_PROGRAMS += test_add_by_path test_get_path test_fstree_sort check_PROGRAMS += test_fstree_from_file test_fstree_init test_fstree_xattr check_PROGRAMS += test_tar_ustar test_tar_pax test_tar_gnu test_tar_sparse_gnu -check_PROGRAMS += test_tar_sparse_gnu1 test_tar_sparse_gnu2 +check_PROGRAMS += test_tar_sparse_gnu1 test_tar_sparse_gnu2 test_crc32 check_PROGRAMS += test_tar_xattr_bsd test_tar_xattr_schily test_str_table TESTS += test_canonicalize_name test_mknode_simple test_mknode_slink @@ -87,6 +90,6 @@ TESTS += test_add_by_path test_get_path test_fstree_sort test_fstree_from_file TESTS += test_fstree_init test_fstree_xattr test_tar_ustar test_tar_pax TESTS += test_tar_gnu test_tar_sparse_gnu test_tar_sparse_gnu1 TESTS += test_tar_sparse_gnu2 test_tar_xattr_bsd test_tar_xattr_schily -TESTS += test_str_table +TESTS += test_str_table test_crc32 EXTRA_DIST += $(top_srcdir)/tests/tar $(top_srcdir)/tests/words.txt diff --git a/tests/crc32.c b/tests/crc32.c new file mode 100644 index 0000000..290f5cf --- /dev/null +++ b/tests/crc32.c @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +#include "config.h" +#include "util.h" + +#include +#include +#include + +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; +} -- cgit v1.2.3