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* sprintf.c (rb_str_format): casting double to long is undefined

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if the interger part of double is out of the range of long.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15713 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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usa 2008-03-06 06:20:48 +00:00
parent 591503c0ab
commit 16d0ad4899
2 changed files with 7 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Thu Mar 6 15:16:55 2008 NAKAMURA Usaku <usa@ruby-lang.org>
* sprintf.c (rb_str_format): casting double to long is undefined
if the interger part of double is out of the range of long.
Thu Mar 6 15:11:40 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* sprintf.c (rb_str_format): ignore 0 flag for NaN and Inf.

3
sprintf.c
View file

@ -540,7 +540,8 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
bin_retry:
switch (TYPE(val)) {
case T_FLOAT:
if (FIXABLE((long)RFLOAT_VALUE(val))) {
if (RFLOAT_VALUE(val) <= LONG_MAX &&
RFLOAT_VALUE(val) >= LONG_MIN) {
val = LONG2FIX((long)RFLOAT_VALUE(val));
goto bin_retry;
}