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* numeric.c (rb_fix2str): detect unnormalized Fixnum value.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56318 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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usa 2016-10-01 17:04:04 +00:00
parent 9c9c46e5a3
commit ae55ecc267
2 changed files with 15 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Sun Oct 2 02:03:06 2016 NAKAMURA Usaku <usa@ruby-lang.org>
* numeric.c (rb_fix2str): detect unnormalized Fixnum value.
Sat Oct 1 23:08:47 2016 NAKAMURA Usaku <usa@ruby-lang.org> Sat Oct 1 23:08:47 2016 NAKAMURA Usaku <usa@ruby-lang.org>
* ext/date/date_parse.c (date_zone_to_diff): it's nonsence and really * ext/date/date_parse.c (date_zone_to_diff): it's nonsence and really

11
numeric.c
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@ -3267,6 +3267,17 @@ rb_fix2str(VALUE x, int base)
if (base < 2 || 36 < base) { if (base < 2 || 36 < base) {
rb_raise(rb_eArgError, "invalid radix %d", base); rb_raise(rb_eArgError, "invalid radix %d", base);
} }
#if SIZEOF_LONG < SIZEOF_VOIDP
# if SIZEOF_VOIDP == SIZEOF_LONG_LONG
if ((val >= 0 && (x & 0xFFFFFFFF00000000ull)) ||
(val < 0 && (x & 0xFFFFFFFF00000000ull) != 0xFFFFFFFF00000000ull)) {
rb_bug("Unnormalized Fixnum value %p", x);
}
# elif
/* should do something like above code, but currently ruby does not know */
/* such platforms */
# endif
#endif
if (val == 0) { if (val == 0) {
return rb_usascii_str_new2("0"); return rb_usascii_str_new2("0");
} }