Commit 4eddbcf2 authored by Nick Mathewson's avatar Nick Mathewson 🎨
Browse files

r7325@Kushana: nickm | 2006-08-10 23:37:31 -0700

 Use gcc offsetof where available.


svn:r7021
parent 09a895e2
......@@ -91,8 +91,12 @@ extern int dmalloc_free(const char *file, const int line, void *pnt,
#define tor_memdup(s, n) _tor_memdup(s, n DMALLOC_ARGS)
/** Return the offset of <b>member</b> within the type <b>tp</b>, in bytes */
#define STRUCT_OFFSET(tp, member) \
((off_t) (((char*)&((tp*)0)->member)-(char*)0))
#ifdef __GNUC__
#define STRUCT_OFFSET(tp, member) __builtin_offsetof(tp, member)
#else
#define STRUCT_OFFSET(tp, member) \
((off_t) (((char*)&((tp*)0)->member)-(char*)0))
#endif
/* String manipulation */
#define HEX_CHARACTERS "0123456789ABCDEFabcdef"
......
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