Introduce THISORNUL macro.

2014-04-07 10:29:56 -07:00
parent e3792ad8da
commit 6e43ab3c06
4 changed files with 7 additions and 6 deletions
--- a/upnpglobalvars.h
+++ b/upnpglobalvars.h
@ -73,6 +73,7 @@
 #else
 #define _(string) (string)
 #endif
+#define THISORNUL(s) (s ? s : "")

 #ifndef PNPX
 #define PNPX 0