add new function pa_strnull() to simplify passing null strings to non-linux printf()

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2045 fefdeb5f-60dc-0310-8127-8f9354f1896f

diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h
index 4b62dd2..41af19c 100644 (file)
--- a/src/pulsecore/macro.h
+++ b/src/pulsecore/macro.h
@@ -152,4 +152,8 @@ typedef int pa_bool_t;
 #define PA_PATH_SEP_CHAR '/'
 #endif
 
+static inline const char *pa_strnull(const char *x) {
+    return x ? x : "(null)";
+}
+
 #endif