btrfs-progs: build, add basic build test for library

Basic test based on snapper code that uses the send stream API.

Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/Makefile b/Makefile
index 203597c3e23e0e4e99fc2fd2891d39297e7ef76c..99b03658a40649e75cabc6b6f6f86db130fc50d2 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -240,6 +240,14 @@ send-test: $(objects) $(libs) send-test.o
        @echo "    [LD]     $@"
        $(Q)$(CC) $(CFLAGS) -o send-test $(objects) send-test.o $(LDFLAGS) $(LIBS) -lpthread
 
+library-test: $(libs_shared) library-test.o
+       @echo "    [LD]     $@"
+       $(Q)$(CC) $(CFLAGS) -o library-test library-test.o $(LDFLAGS) -lbtrfs
+
+library-test.static: $(libs_static) library-test.o
+       @echo "    [LD]     $@"
+       $(Q)$(CC) $(CFLAGS) -o library-test-static library-test.o $(LDFLAGS) $(libs_static)
+
 manpages:
        $(Q)$(MAKE) $(MAKEOPTS) -C Documentation
 

diff --git a/library-test.c b/library-test.c
new file mode 100644 (file)
index 0000000..142188a
--- /dev/null
+++ b/library-test.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2014 SUSE.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#include "kerncompat.h"
+#include "version.h"
+#include "send-stream.h"
+
+/*
+ * Reduced code snippet from snapper.git/snapper/Btrfs.cc
+ */
+struct btrfs_send_ops send_ops = {
+       .subvol = NULL,
+       .snapshot = NULL,
+       .mkfile = NULL,
+       .mkdir = NULL,
+       .mknod = NULL,
+       .mkfifo = NULL,
+       .mksock = NULL,
+       .symlink = NULL,
+       .rename = NULL,
+       .link = NULL,
+       .unlink = NULL,
+       .rmdir = NULL,
+       .write = NULL,
+       .clone = NULL,
+       .set_xattr = NULL,
+       .remove_xattr = NULL,
+       .truncate = NULL,
+       .chmod = NULL,
+       .chown = NULL,
+       .utimes = NULL,
+       .update_extent = NULL,
+};
+
+/*
+ * Link test only, not intended to be executed.
+ */
+static int test_send_stream_api() {
+       int ret;
+       int fd = -1;
+
+#if BTRFS_LIB_VERSION < 101
+       ret = btrfs_read_and_process_send_stream(fd, &send_ops, NULL, 0);
+#else
+       ret = btrfs_read_and_process_send_stream(fd, &send_ops, NULL, 0, 1);
+#endif
+       return ret;
+}
+
+int main() {
+       test_send_stream_api();
+
+       return 0;
+}