defs.h: introduce is_bigendian macro

This macro is going to be used in inline checks.

* defs.h (is_bigendian): New macro constant.

diff --git a/defs.h b/defs.h
index 92f5fa6eccdd354399ccd9f9832251346bbaa5f6..8b5b2d659bee40c1c8e16bf643c8a9854fc86ecf 100644 (file)
--- a/defs.h
+++ b/defs.h
@@ -166,6 +166,12 @@ extern char *stpcpy(char *dst, const char *src);
 # define HAVE_PERSONALITY_2_MPERS 0
 #endif
 
+#ifdef WORDS_BIGENDIAN
+# define is_bigendian true
+#else
+# define is_bigendian false
+#endif
+
 typedef struct ioctlent {
        const char *symbol;
        unsigned int code;