fix STRING macro

diff --git a/pctb/common.h b/pctb/common.h
index 5044bb35ee8015a3e109b71a1c2b167fbcfac2c6..52f57d699c4cefd959d300bc44349038d7e4e5a8 100644 (file)
--- a/pctb/common.h
+++ b/pctb/common.h
@@ -166,6 +166,7 @@ char *masprintf(const char *fmt, ...) FMT(1,2);
 #define ARRAYSIZE(a) ((sizeof((a)) / sizeof((a)[0])))
 #define FILLZERO(obj) (memset(&(obj),0,sizeof((obj))))
 
-#define STRING(x) #x
+#define STRING2(x) #x
+#define STRING(x) STRING2(x)
 
 #endif /*COMMON_H*/