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* numeric.c (rb_num2ull): use own switch sentense.

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Current implementation can't convert 18446744073709551615.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32433 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2011-07-07 06:23:40 +00:00
parent a259db72b7
commit 136c117fc1
2 changed files with 40 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Thu Jul 7 15:16:51 2011 NARUSE, Yui <naruse@ruby-lang.org>
* numeric.c (rb_num2ull): use own switch sentense.
Current implementation can't convert 18446744073709551615.
Thu Jul 7 06:56:15 2011 NARUSE, Yui <naruse@ruby-lang.org>
* cont.c (FIBER_STACK_FLAGS): workaround fix for r32420 on FreeBSD.

37
numeric.c
View file

@ -1973,10 +1973,43 @@ rb_num2ll(VALUE val)
unsigned LONG_LONG
rb_num2ull(VALUE val)
{
if (TYPE(val) == T_BIGNUM) {
switch (TYPE(val)) {
case T_NIL:
rb_raise(rb_eTypeError, "no implicit conversion from nil");
case T_FIXNUM:
return (LONG_LONG)FIX2ULONG(val);
case T_FLOAT:
if (RFLOAT_VALUE(val) < ULLONG_MAX_PLUS_ONE
&& RFLOAT_VALUE(val) > 0) {
return (unsigned LONG_LONG)(RFLOAT_VALUE(val));
}
else {
char buf[24];
char *s;
snprintf(buf, sizeof(buf), "%-.10g", RFLOAT_VALUE(val));
if ((s = strchr(buf, ' ')) != 0) *s = '\0';
rb_raise(rb_eRangeError, "float %s out of range of unsgined long long", buf);
}
case T_BIGNUM:
return rb_big2ull(val);
case T_STRING:
rb_raise(rb_eTypeError, "no implicit conversion from string");
return Qnil; /* not reached */
case T_TRUE:
case T_FALSE:
rb_raise(rb_eTypeError, "no implicit conversion from boolean");
return Qnil; /* not reached */
default:
val = rb_to_int(val);
return NUM2ULL(val);
}
return (unsigned LONG_LONG)rb_num2ll(val);
}
#endif /* HAVE_LONG_LONG */