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* win32/win32.c (rb_w32_read, rb_w32_write, rb_w32_isatty): check

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whether fd is valid.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20539 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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usa 2008-12-05 09:08:24 +00:00
parent f6d18c3f2a
commit 5d65e0982d
2 changed files with 17 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Fri Dec 5 18:07:32 2008 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/win32.c (rb_w32_read, rb_w32_write, rb_w32_isatty): check
whether fd is valid.
Fri Dec 5 13:05:45 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* iseq.c (rb_iseq_parameters): proc arguments are always optional.

12
win32/win32.c
View File

@ -4316,6 +4316,10 @@ rb_w32_read(int fd, void *buf, size_t size)
if (is_socket(sock))
return rb_w32_recv(fd, buf, size, 0);
// validate fd by using _get_osfhandle() because we cannot access _nhandle
if (_get_osfhandle(fd) == -1) {
return -1;
}
if (!(_osfile(fd) & FOPEN)) {
errno = EBADF;
return -1;
@ -4434,6 +4438,10 @@ rb_w32_write(int fd, const void *buf, size_t size)
if (is_socket(sock))
return rb_w32_send(fd, buf, size, 0);
// validate fd by using _get_osfhandle() because we cannot access _nhandle
if (_get_osfhandle(fd) == -1) {
return -1;
}
if (!(_osfile(fd) & FOPEN)) {
errno = EBADF;
return -1;
@ -4686,6 +4694,10 @@ 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;