ruby--ruby/ext/-test-/RUBY_ALIGNOF/c.c

#include "ruby.h"
#include <stddef.h>

struct T {
    char _;
    double t;
};

RBIMPL_STATIC_ASSERT(RUBY_ALIGNOF, RUBY_ALIGNOF(double) == offsetof(struct T, t));

void
Init_RUBY_ALIGNOF(void)
{
    // Windows linker mandates this symbol to exist.
}
ext/-test-/RUBY_ALIGNOF: add minimalistic test Check if RUBY_ALIGNOF(double) is the alignment to store a double inside of a struct. 2020-09-23 01:29:05 -04:00			`#include "ruby.h"`
			`#include <stddef.h>`

			`struct T {`
			`char _;`
			`double t;`
			`};`

			`RBIMPL_STATIC_ASSERT(RUBY_ALIGNOF, RUBY_ALIGNOF(double) == offsetof(struct T, t));`
ext/-test-/RUBY_ALIGNOF: skip C++ when no compiler C++ compilers are optional. Skip C++ tests when they are absent. 2020-09-23 23:16:31 -04:00
			`void`
Protoized old pre-ANSI K&R style definitions 2020-12-05 00:46:34 -05:00			`Init_RUBY_ALIGNOF(void)`
ext/-test-/RUBY_ALIGNOF: skip C++ when no compiler C++ compilers are optional. Skip C++ tests when they are absent. 2020-09-23 23:16:31 -04:00			`{`
			`// Windows linker mandates this symbol to exist.`
			`}`