base: add few macros

STR - usual CPP stringifing

DLLEXPORT,DLLIMPORT for dlls on win32

diff --git a/usual/base.h b/usual/base.h
index 96d21f89d6e3af22dfcac957c55069506b3459fd..0c35df39a4cab33be81aeea180afdf72877cc9ec 100644 (file)
--- a/usual/base.h
+++ b/usual/base.h
@@ -31,6 +31,11 @@
 
 #ifdef WIN32
 #include <usual/base_win32.h>
+#define DLLEXPORT __declspec(dllexport)
+#define DLLIMPORT __declspec(dllimport)
+#else
+#define DLLEXPORT
+#define DLLIMPORT
 #endif
 
 /* give offset of a field inside struct */
@@ -119,5 +124,9 @@ static inline void *zmalloc(size_t len)
        return calloc(1, len);
 }
 
+/* cpp expr -> string */
+#define _STR_(identifier) #identifier
+#define STR(x) _STR_(x)
+
 #endif