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merge revision(s) 20540:

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* win32/win32.c (rb_w32_isatty): check whether fd is valid.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22418 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shyouhei 2009-02-18 13:28:06 +00:00
parent 9d8bb15c5c
commit 440fec216c
3 changed files with 9 additions and 1 deletions
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4
win32/win32.c
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@ -4088,6 +4088,10 @@ rb_w32_unlink(const char *path)
int
rb_w32_isatty(int fd)
{
// validate fd by using _get_osfhandle() because we cannot access _nhandle
if (_get_osfhandle(fd) == -1) {
return 0;
}
if (!(_osfile(fd) & FOPEN)) {
errno = EBADF;
return 0;