# define XZ_OK -EPROTONOSUPPORT
#endif
-#ifdef HAVE_XZ
+#ifdef HAVE_LZ4
# define LZ4_OK 0
#else
# define LZ4_OK -EPROTONOSUPPORT
#endif
typedef int (compress_blob_t)(const void *src, uint64_t src_size,
- void *dst, uint64_t *dst_size);
+ void *dst, size_t *dst_size);
typedef int (decompress_blob_t)(const void *src, uint64_t src_size,
- void **dst, uint64_t *dst_alloc_size,
- uint64_t* dst_size, uint64_t dst_max);
-
+ void **dst, size_t *dst_alloc_size,
+ size_t* dst_size, size_t dst_max);
typedef int (decompress_sw_t)(const void *src, uint64_t src_size,
- void **buffer, uint64_t *buffer_size,
- const void *prefix, uint64_t prefix_len,
+ void **buffer, size_t *buffer_size,
+ const void *prefix, size_t prefix_len,
uint8_t extra);
typedef int (compress_stream_t)(int fdf, int fdt, off_t max_bytes);
static void test_compress_decompress(int compression,
compress_blob_t compress,
- decompress_blob_t decompress) {
- char text[] = "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
- "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
+ decompress_blob_t decompress,
+ const char *data,
+ size_t data_len,
+ bool may_fail) {
char compressed[512];
- uint64_t csize = 512;
- uint64_t usize = 0;
+ size_t csize = 512;
+ size_t usize = 0;
_cleanup_free_ char *decompressed = NULL;
int r;
- log_info("/* testing %s blob compression/decompression */",
- object_compressed_to_string(compression));
-
- r = compress(text, sizeof(text), compressed, &csize);
- assert(r == 0);
- r = decompress(compressed, csize,
- (void **) &decompressed, &usize, &csize, 0);
- assert(r == 0);
- assert_se(decompressed);
- assert_se(streq(decompressed, text));
+ log_info("/* testing %s %s blob compression/decompression */",
+ object_compressed_to_string(compression), data);
+
+ r = compress(data, data_len, compressed, &csize);
+ if (r == -ENOBUFS) {
+ log_info_errno(r, "compression failed: %m");
+ assert_se(may_fail);
+ } else {
+ assert_se(r == 0);
+ r = decompress(compressed, csize,
+ (void **) &decompressed, &usize, &csize, 0);
+ assert_se(r == 0);
+ assert_se(decompressed);
+ assert_se(memcmp(decompressed, data, data_len) == 0);
+ }
r = decompress("garbage", 7,
(void **) &decompressed, &usize, &csize, 0);
- assert(r < 0);
+ assert_se(r < 0);
/* make sure to have the minimal lz4 compressed size */
r = decompress("00000000\1g", 9,
(void **) &decompressed, &usize, &csize, 0);
- assert(r < 0);
+ assert_se(r < 0);
r = decompress("\100000000g", 9,
(void **) &decompressed, &usize, &csize, 0);
- assert(r < 0);
+ assert_se(r < 0);
memzero(decompressed, usize);
}
static void test_decompress_startswith(int compression,
compress_blob_t compress,
- decompress_sw_t decompress_sw) {
+ decompress_sw_t decompress_sw,
+ const char *data,
+ size_t data_len,
+ bool may_fail) {
- char text[] = "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
- "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
char compressed[512];
- uint64_t csize = 512;
- uint64_t usize = 0;
+ size_t csize = 512;
+ size_t usize = 0;
_cleanup_free_ char *decompressed = NULL;
+ int r;
- log_info("/* testing decompress_startswith with %s */",
- object_compressed_to_string(compression));
+ log_info("/* testing decompress_startswith with %s on %s text*/",
+ object_compressed_to_string(compression), data);
+
+ r = compress(data, data_len, compressed, &csize);
+ if (r == -ENOBUFS) {
+ log_info_errno(r, "compression failed: %m");
+ assert_se(may_fail);
+ return;
+ }
+ assert_se(r == 0);
- assert_se(compress(text, sizeof(text), compressed, &csize) == 0);
assert_se(decompress_sw(compressed,
csize,
(void **) &decompressed,
&usize,
- "foofoofoofoo", 12, ' ') > 0);
+ data, strlen(data), '\0') > 0);
assert_se(decompress_sw(compressed,
csize,
(void **) &decompressed,
&usize,
- "foofoofoofoo", 12, 'w') == 0);
+ data, strlen(data), 'w') == 0);
assert_se(decompress_sw(compressed,
csize,
(void **) &decompressed,
csize,
(void **) &decompressed,
&usize,
- "foofoofoofoo", 12, ' ') > 0);
+ data, strlen(data), '\0') > 0);
}
static void test_compress_stream(int compression,
assert_se((dst = mkostemp_safe(pattern, O_RDWR|O_CLOEXEC)) >= 0);
- assert(compress(src, dst, -1) == 0);
+ assert_se(compress(src, dst, -1) == 0);
if (cat) {
assert_se(asprintf(&cmd, "%s %s | diff %s -", cat, pattern, srcfile) > 0);
- assert(system(cmd) == 0);
+ assert_se(system(cmd) == 0);
}
log_debug("/* test decompression */");
assert_se(lseek(dst, 1, SEEK_SET) == 1);
r = decompress(dst, dst2, st.st_size);
- assert(r == -EBADMSG);
+ assert_se(r == -EBADMSG);
assert_se(lseek(dst, 0, SEEK_SET) == 0);
assert_se(lseek(dst2, 0, SEEK_SET) == 0);
}
int main(int argc, char *argv[]) {
+ const char text[] =
+ "text\0foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
+ "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
+
+ char data[512] = "random\0";
log_set_max_level(LOG_DEBUG);
+ random_bytes(data + 7, sizeof(data) - 7);
+
#ifdef HAVE_XZ
- test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz);
- test_decompress_startswith(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_startswith_xz);
+ test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz,
+ text, sizeof(text), false);
+ test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz,
+ data, sizeof(data), true);
+ test_decompress_startswith(OBJECT_COMPRESSED_XZ,
+ compress_blob_xz, decompress_startswith_xz,
+ text, sizeof(text), false);
+ test_decompress_startswith(OBJECT_COMPRESSED_XZ,
+ compress_blob_xz, decompress_startswith_xz,
+ data, sizeof(data), true);
test_compress_stream(OBJECT_COMPRESSED_XZ, "xzcat",
compress_stream_xz, decompress_stream_xz, argv[0]);
#else
log_info("/* XZ test skipped */");
#endif
+
#ifdef HAVE_LZ4
- test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4);
- test_decompress_startswith(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_startswith_lz4);
+ test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4,
+ text, sizeof(text), false);
+ test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4,
+ data, sizeof(data), true);
+ test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
+ compress_blob_lz4, decompress_startswith_lz4,
+ text, sizeof(text), false);
+ test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
+ compress_blob_lz4, decompress_startswith_lz4,
+ data, sizeof(data), true);
/* Produced stream is not compatible with lz4 binary, skip lz4cat check. */
test_compress_stream(OBJECT_COMPRESSED_LZ4, NULL,