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merges r29980,r30017,r30018,r30019 and r30020 from trunk into ruby_1_9_2.

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* win32/win32.c (rb_w32_read): read only 1 byte at once on console.
  workaround of Windows bug. see [ruby-core:33460].
  this is not the final solution.
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* win32/win32.c (rb_w32_read): workaround for console reading troubles.
  fixed [ruby-core:33511]
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* win32/win32.c (rb_w32_read): rollback debug code of previous commit.
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* win32/win32.c (rb_w43_read): more fix. [ruby-core:33513]
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* ChangeLog: typo.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2010-12-23 10:49:03 +00:00
parent c9d697ab78
commit a46abacacd
3 changed files with 27 additions and 6 deletions
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16
win32/win32.c
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@ -5056,6 +5056,7 @@ rb_w32_read(int fd, void *buf, size_t size)
size_t len;
size_t ret;
OVERLAPPED ol, *pol = NULL;
BOOL isconsole;
int start = 0;
if (is_socket(sock))
@ -5073,16 +5074,18 @@ rb_w32_read(int fd, void *buf, size_t size)
MTHREAD_ONLY(EnterCriticalSection(&(_pioinfo(fd)->lock)));
if (!size || _osfile(fd) & FEOFLAG) {
_set_osflags(fd, _osfile(fd) & ~FEOFLAG);
MTHREAD_ONLY(LeaveCriticalSection(&_pioinfo(fd)->lock));
return 0;
}
ret = 0;
isconsole = is_console(_osfhnd(fd));
retry:
/* get rid of console reading bug */
if (is_console(_osfhnd(fd))) {
if (isconsole) {
if (start)
len = min(16 * 1024, size);
len = 1;
else {
len = 0;
start = 1;
@ -5178,11 +5181,14 @@ rb_w32_read(int fd, void *buf, size_t size)
}
ret += read;
if (read == len) {
buf = (char *)buf + len;
if (size > 0)
if (read >= len) {
buf = (char *)buf + read;
if (!(isconsole && len == 1 && *((char *)buf - 1) == '\n') && size > 0)
goto retry;
}
if (read == 0)
_set_osflags(fd, _osfile(fd) | FEOFLAG);
MTHREAD_ONLY(LeaveCriticalSection(&_pioinfo(fd)->lock));