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* win32/win32.c (rb_w32_read): call ReadFile() with len = 0 before

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reading really on console, because the first ReadFile() call after
  PeekConsoleInput() always returns broken data. (Windows's bug).
  [ruby-core:29018]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28035 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2010-05-27 13:36:26 +00:00
parent 37f75ad0c4
commit 51077c2c22
2 changed files with 19 additions and 2 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Thu May 27 22:34:27 2010 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/win32.c (rb_w32_read): call ReadFile() with len = 0 before
reading really on console, because the first ReadFile() call after
PeekConsoleInput() always returns broken data. (Windows's bug).
[ruby-core:29018]
Thu May 27 12:42:23 2010 Akinori MUSHA <knu@iDaemons.org>
* LGPL: Removed. We no longer have LGPL'd source files in our

14
win32/win32.c
View file

@ -5032,6 +5032,7 @@ rb_w32_read(int fd, void *buf, size_t size)
size_t len;
size_t ret;
OVERLAPPED ol, *pol = NULL;
int start = 0;
if (is_socket(sock))
return rb_w32_recv(fd, buf, size, 0);
@ -5054,8 +5055,17 @@ rb_w32_read(int fd, void *buf, size_t size)
ret = 0;
retry:
/* get rid of console writing bug */
len = (_osfile(fd) & FDEV) ? min(16 * 1024, size) : size;
/* get rid of console reading bug */
if (is_console(_osfhnd(fd))) {
if (start)
len = min(16 * 1024, size);
else {
len = 0;
start = 1;
}
}
else
len = size;
size -= len;
/* if have cancel_io, use Overlapped I/O */