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time.c: inquire suspicious values

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57155 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-12-22 22:34:18 +00:00
parent d124fa3a35
commit bd2e1034d5
1 changed files with 26 additions and 5 deletions
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31
time.c
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@ -53,6 +53,30 @@ eq(VALUE x, VALUE y)
return RTEST(rb_funcall(x, id_eq, 1, y));
}
#ifdef _MSC_VER
static VALUE
inquire_value(VALUE x, const char *mesg)
{
VALUE klass;
LPEXCEPTION_POINTERS info;
if (SPECIAL_CONST_P(x)) return Qnil;
__try {
klass = CLASS_OF(x);
}
__except (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ?
(info = GetExceptionInformation(), EXCEPTION_EXECUTE_HANDLER) :
EXCEPTION_CONTINUE_SEARCH) {
PEXCEPTION_RECORD rec = info->ExceptionRecord;
rb_fatal("Access violation at %p: class of %p: %s",
(void *)rec->ExceptionInformation[1],
(void *)x, mesg);
}
return klass;
}
#else
# define inquire_value(x, mesg) (void)(x)
#endif
static int
cmp(VALUE x, VALUE y)
{
@ -63,11 +87,8 @@ cmp(VALUE x, VALUE y)
return 1;
return 0;
}
#ifdef _WIN32
if (rb_objspace_garbage_object_p(x)) {
rb_fatal("cmp(%p, %p)", (void *)x, (void *)y);
}
#endif
inquire_value(x, "cmp(x)");
inquire_value(y, "cmp(y)");
return rb_cmpint(rb_funcall(x, id_cmp, 1, y), x, y);
}