Add basic support for the GNU tar format

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

1 files changed, 34 insertions, 0 deletions

diff --git a/tests/tar_mtime.c b/tests/tar_mtime.c
index 30d4bc4..b255656 100644
--- a/tests/tar_mtime.c
+++ b/tests/tar_mtime.c
@@ -51,6 +51,23 @@ int main(void)
 	clear_header(&hdr);
 	close(fd);
 
+	fd = open_read("large-mtime/gnu.tar");
+	assert(read_header(fd, &hdr) == 0);
+	assert(hdr.sb.st_mode == (S_IFREG | 0644));
+	assert(hdr.sb.st_uid == 01750);
+	assert(hdr.sb.st_gid == 01750);
+	assert(hdr.sb.st_size == 5);
+	assert(hdr.sb.st_mtime == 8589934592);
+	assert(hdr.sb.st_atime == 8589934592);
+	assert(hdr.sb.st_ctime == 8589934592);
+	assert(strcmp(hdr.name, "input.txt") == 0);
+	assert(!hdr.unknown_record);
+	assert(read_retry(fd, buffer, 5) == 5);
+	buffer[5] = '\0';
+	assert(strcmp(buffer, "test\n") == 0);
+	clear_header(&hdr);
+	close(fd);
+
 	fd = open_read("large-mtime/pax.tar");
 	assert(read_header(fd, &hdr) == 0);
 	assert(hdr.sb.st_mode == (S_IFREG | 0644));
@@ -85,5 +102,22 @@ int main(void)
 	clear_header(&hdr);
 	close(fd);
 
+	fd = open_read("negative-mtime/gnu.tar");
+	assert(read_header(fd, &hdr) == 0);
+	assert(hdr.sb.st_mode == (S_IFREG | 0644));
+	assert(hdr.sb.st_uid == 01750);
+	assert(hdr.sb.st_gid == 01750);
+	assert(hdr.sb.st_size == 5);
+	assert(hdr.sb.st_mtime == -315622800);
+	assert(hdr.sb.st_atime == -315622800);
+	assert(hdr.sb.st_ctime == -315622800);
+	assert(strcmp(hdr.name, "input.txt") == 0);
+	assert(!hdr.unknown_record);
+	assert(read_retry(fd, buffer, 5) == 5);
+	buffer[5] = '\0';
+	assert(strcmp(buffer, "test\n") == 0);
+	clear_header(&hdr);
+	close(fd);
+
 	return EXIT_SUCCESS;
 }