git » libjio » commit 5463424

diff --git a/samples/full.c b/samples/full.c
new file mode 100644
index 0000000..90a009e
--- /dev/null
+++ b/samples/full.c
@@ -0,0 +1,55 @@
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <libjio.h>
+
+#define FILENAME "test1"
+#define TEXT "Hello world!\n"
+
+int main(void)
+{
+	int r;
+	struct jfs file;
+	struct jtrans trans;
+	struct jfsck_result result;
+
+	/* check the file is OK */
+	jfsck(FILENAME, &result);
+	jfsck_cleanup(FILENAME);
+
+	/* and open it */
+	r = jopen(&file, FILENAME, O_SYNC | O_CREAT | O_TRUNC, 0600, 0);
+	if (r < 0) {
+		perror("jopen");
+		return 1;
+	}
+
+	/* write two "Hello world"s next to each other */
+	jtrans_init(&file, &trans);
+	jtrans_add(&trans, TEXT, strlen(TEXT), 0);
+	jtrans_add(&trans, TEXT, strlen(TEXT), strlen(TEXT));
+	r = jtrans_commit(&trans);
+	if (r < 0) {
+		perror("jtrans_commit");
+		return 1;
+	}
+
+	/* at this point the file has "Hello world!\nHello world!\n" */
+
+	/* now we rollback */
+	r = jtrans_rollback(&trans);
+	if (r < 0) {
+		perror("jtrans_rollback");
+		return 1;
+	}
+
+	/* and now the file is empty! */
+
+	jtrans_free(&trans);
+	jclose(&file);
+	return 0;
+}
+