lib: bt_version_get_extra(): return `NULL` if none instead of empty str.

[babeltrace.git] / src / lib / babeltrace2.c

diff --git a/src/lib/babeltrace2.c b/src/lib/babeltrace2.c
index 4a74214ab5ad91ad5467114d67092e05c720bc0a..8216cd11ad05a29a5baa66f917734eaa0445a639 100644 (file)
--- a/src/lib/babeltrace2.c
+++ b/src/lib/babeltrace2.c
@@ -22,25 +22,25 @@
  * SOFTWARE.
  */
 
-#include <babeltrace2/version.h>
-#include <babeltrace2/types.h>
+#include <babeltrace2/babeltrace.h>
 #include <stdlib.h>
+#include <string.h>
 
-int bt_version_get_major(void)
+unsigned int bt_version_get_major(void)
 {
        return BT_VERSION_MAJOR;
 }
 
-int bt_version_get_minor(void)
+unsigned int bt_version_get_minor(void)
 {
        return BT_VERSION_MINOR;
 }
 
-int bt_version_get_patch(void) {
+unsigned int bt_version_get_patch(void) {
        return BT_VERSION_PATCH;
 }
 
 const char *bt_version_get_extra(void)
 {
-       return BT_VERSION_EXTRA;
+       return strlen(BT_VERSION_EXTRA) == 0 ? NULL : BT_VERSION_EXTRA;
 }