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ruby--ruby/sizes.c
akr 106b0ce31b * sizes.c (Init_sizes): Define sizes only if the type actually exists.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42245 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-07-29 23:22:25 +00:00

52 lines
1 KiB
C

#include "ruby/ruby.h"
void
Init_sizes(void)
{
VALUE s = rb_hash_new();
rb_define_const(rb_define_module("RbConfig"), "SIZEOF", s);
#define DEFINE(type, size) rb_hash_aset(s, rb_str_new_cstr(#type), INT2FIX(SIZEOF_##size));
#if SIZEOF_INT != 0
DEFINE(int, INT);
#endif
#if SIZEOF_SHORT != 0
DEFINE(short, SHORT);
#endif
#if SIZEOF_LONG != 0
DEFINE(long, LONG);
#endif
#if SIZEOF_LONG_LONG != 0 && defined(HAVE_TRUE_LONG_LONG)
DEFINE(long long, LONG_LONG);
#endif
#if SIZEOF___INT64 != 0
DEFINE(__int64, __INT64);
#endif
#if SIZEOF___INT128 != 0
DEFINE(__int128, __INT128);
#endif
#if SIZEOF_OFF_T != 0
DEFINE(off_t, OFF_T);
#endif
#if SIZEOF_VOIDP != 0
DEFINE(void*, VOIDP);
#endif
#if SIZEOF_FLOAT != 0
DEFINE(float, FLOAT);
#endif
#if SIZEOF_DOUBLE != 0
DEFINE(double, DOUBLE);
#endif
#if SIZEOF_TIME_T != 0
DEFINE(time_t, TIME_T);
#endif
#if SIZEOF_SIZE_T != 0
DEFINE(size_t, SIZE_T);
#endif
#if SIZEOF_PTRDIFF_T != 0
DEFINE(ptrdiff_t, PTRDIFF_T);
#endif
#undef DEFINE
}