[Feature #3018] UNINITIALIZED_VAR() マクロの導入

Feature #3018: UNINITIALIZED_VAR() e$B%^%/%m$NF3F~e(B
http://redmine.ruby-lang.org/issues/show/3018

e$B5/I<<Te(B: Motohiro KOSAKI
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Low
e$B%+%F%4%je(B: core, Target version: 1.9.x

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e$B$=$NI{:nMQ$Ge(Bthread.c
e$B$Ne(Bdo_select()e$B$,8=:_1x$$$3$H$K$J$C$F$$$^$9!#e(B


static int
do_select(int n, fd_set *read, fd_set *write, fd_set *except,
struct timeval timeout)
{
int result, lerrno;
fd_set orig_read, orig_write, orig_except;
#if defined GNUC && defined x86_64
#define FAKE_FD_ZERO(f) (
(int )&(f)=0) / suppress lots of warnings */
#else
#define FAKE_FD_ZERO(f) ((void)0)
#endif

(snip)

if (read) orig_read = *read; else FAKE_FD_ZERO(orig_read);
if (write) orig_write = *write; else FAKE_FD_ZERO(orig_write);
if (except) orig_except = *except; else FAKE_FD_ZERO(orig_except);

#undef FAKE_FD_ZERO


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#define uninitialized_var(x) x = x

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(2010/03/26 22:40), Motohiro KOSAKI wrote::

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#define uninitialized_var(x) x = x

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In message Re: [ruby-dev:40779] [Feature #3018] UNINITIALIZED_VAR()
e$B%^%/%m$NF3F~e(B
on Fri, 26 Mar 2010 22:40:53 +0900, Motohiro KOSAKI
[email protected] writes:

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2010e$BG/e(B3e$B7ne(B27e$BF|e(B9:17 SASADA Koichi [email protected]:

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In message Re: [ruby-dev:40831] Re: [Feature #3018] UNINITIALIZED_VAR()
e$B%^%/%m$NF3F~e(B
on Mon, 29 Mar 2010 19:45:01 +0900, KOSAKI Motohiro
[email protected] writes:

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2010/3/30 Yukihiro M. [email protected]:

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In message Re: [ruby-dev:40839] Re: [Feature #3018] UNINITIALIZED_VAR()
e$B%^%/%m$NF3F~e(B
on Tue, 30 Mar 2010 10:23:59 +0900, NAKAMURA, Hiroshi
[email protected] writes:

|2010/3/30 Yukihiro M. [email protected]:
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2010/3/30 Yukihiro M. [email protected]:

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In message Re: [ruby-dev:40841] Re: [Feature #3018] UNINITIALIZED_VAR()
e$B%^%/%m$NF3F~e(B
on Tue, 30 Mar 2010 11:12:50 +0900, NAKAMURA, Hiroshi
[email protected] writes:

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2010e$BG/e(B3e$B7ne(B30e$BF|e(B10:51 Yukihiro M.
[email protected]:

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In message Re: [ruby-dev:40843] Re: [Feature #3018] UNINITIALIZED_VAR()
e$B%^%/%m$NF3F~e(B
on Tue, 30 Mar 2010 11:22:22 +0900, Shugo M.
[email protected] writes:

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