diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-18 15:29:17 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-18 15:29:17 +0000 |
commit | 404d0ad40fd654a6429d896fef3601f934d11786 (patch) | |
tree | 6a64094030005f42e64716d4108db1e0ce4831fa /numeric.c | |
parent | 305b347ae5fac1e4d64f80d62adc69911603c700 (diff) | |
download | ruby-404d0ad40fd654a6429d896fef3601f934d11786.tar.gz |
* numeric.c (check_uint, rb_num2uint, rb_fix2uint): fixed wrong check
about 64bit positive value.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18126 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 29 |
1 files changed, 15 insertions, 14 deletions
@@ -1585,25 +1585,26 @@ check_int(SIGNED_VALUE num) } static void -check_uint(VALUE num) +check_uint(VALUE num, VALUE sign) { static const VALUE mask = ~(VALUE)UINT_MAX; - static const VALUE msb = -#if SIZEOF_LONG == SIZEOF_VALUE - ~LONG_MAX; -#elif SIZEOF_LONG_LONG == SIZEOF_VALUE - ~LLONG_MAX; -#endif const char *s; - if ((num & mask) != 0 && - ((num & mask) != mask || (num & ~mask) <= INT_MAX + 1UL)) { - if ((num & msb) == 0) + if (RTEST(sign)) { + /* minus */ + if ((num & mask) != mask || (num & ~mask) <= INT_MAX + 1UL) + s = "small"; + else + return; + } + else { + /* plus */ + if ((num & mask) != 0) s = "big"; else - s = "small"; - rb_raise(rb_eRangeError, "integer %"PRIdVALUE " too %s to convert to `unsigned int'", num, s); + return; } + rb_raise(rb_eRangeError, "integer %"PRIdVALUE " too %s to convert to `unsigned int'", num, s); } long @@ -1629,7 +1630,7 @@ rb_num2uint(VALUE val) { unsigned long num = rb_num2ulong(val); - check_uint(num); + check_uint(num, rb_funcall(val, '<', 1, INT2FIX(0))); return num; } @@ -1643,7 +1644,7 @@ rb_fix2uint(VALUE val) } num = FIX2ULONG(val); - check_uint(num); + check_uint(num, rb_funcall(val, '<', 1, INT2FIX(0))); return num; } #else |