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* dtable.cc (dtable::dup2): Allow extension of fd table by dup2.

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* syscalls.cc: Minor code cleanup.
(fpathconf): Check for bad fd before doing anything else.
* termios.cc (tcsetattr): Don't convert to new termios if bad fd.
(tcgetattr): Minor debugging tweak.
This commit is contained in:
Christopher Faylor 2001-08-23 02:27:01 +00:00
parent cb19ccf4b5
commit ecaff08ccd
4 changed files with 28 additions and 24 deletions
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8
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,11 @@
Wed Aug 22 22:23:14 2001 Christopher Faylor <cgf@cygnus.com>
* dtable.cc (dtable::dup2): Allow extension of fd table by dup2.
* syscalls.cc: Minor code cleanup.
(fpathconf): Check for bad fd before doing anything else.
* termios.cc (tcsetattr): Don't convert to new termios if bad fd.
(tcgetattr): Minor debugging tweak.
Wed Aug 22 23:41:00 2001 Corinna Vinschen <corinna@vinschen.de>
* net.cc (cygwin_inet_ntoa): Rearrange previous patch to use

2
winsup/cygwin/dtable.cc
View File

@ -386,7 +386,7 @@ dtable::dup2 (int oldfd, int newfd)
SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK,"dup");
if ((size_t) newfd >= cygheap->fdtab.size || newfd < 0)
if (newfd < 0)
{
syscall_printf ("new fd out of bounds: %d", newfd);
set_errno (EBADF);

37
winsup/cygwin/syscalls.cc
View File

@ -1494,6 +1494,11 @@ check_posix_perm (const char *fname, int v)
extern "C" long int
fpathconf (int fd, int v)
{
if (cygheap->fdtab.not_open (fd))
{
set_errno (EBADF);
return -1;
}
switch (v)
{
case _PC_LINK_MAX:
@ -1525,16 +1530,13 @@ fpathconf (int fd, int v)
}
case _PC_POSIX_PERMISSIONS:
case _PC_POSIX_SECURITY:
if (cygheap->fdtab.not_open (fd))
set_errno (EBADF);
else
{
fhandler_base *fh = cygheap->fdtab[fd];
if (fh->get_device () == FH_DISK)
return check_posix_perm (fh->get_win32_name (), v);
set_errno (EINVAL);
}
return -1;
{
fhandler_base *fh = cygheap->fdtab[fd];
if (fh->get_device () == FH_DISK)
return check_posix_perm (fh->get_win32_name (), v);
set_errno (EINVAL);
return -1;
}
default:
set_errno (EINVAL);
return -1;
@ -1772,7 +1774,6 @@ ftruncate (int fd, off_t length)
}
/* truncate: Provided by SVR4 and 4.3+BSD. Not part of POSIX.1 or XPG3 */
/* FIXME: untested */
extern "C" int
truncate (const char *pathname, off_t length)
{
@ -1783,9 +1784,7 @@ truncate (const char *pathname, off_t length)
fd = open (pathname, O_RDWR);
if (fd == -1)
{
set_errno (EBADF);
}
set_errno (EBADF);
else
{
res = ftruncate (fd, length);
@ -1802,15 +1801,11 @@ get_osfhandle (int fd)
long res = -1;
if (cygheap->fdtab.not_open (fd))
{
set_errno (EBADF);
}
set_errno (EBADF);
else
{
res = (long) cygheap->fdtab[fd]->get_handle ();
}
syscall_printf ("%d = get_osfhandle (%d)", res, fd);
res = (long) cygheap->fdtab[fd]->get_handle ();
syscall_printf ("%d = get_osfhandle (%d)", res, fd);
return res;
}

5
winsup/cygwin/termios.cc
View File

@ -143,13 +143,14 @@ tcsetattr (int fd, int a, const struct termios *t)
{
int res = -1;
t = __tonew_termios (t);
if (cygheap->fdtab.not_open (fd))
{
set_errno (EBADF);
goto out;
}
t = __tonew_termios (t);
fhandler_base *fh;
fh = cygheap->fdtab[fd];
@ -187,7 +188,7 @@ tcgetattr (int fd, struct termios *in_t)
}
if (res)
termios_printf ("%d = tcgetattr (%d, %x)", res, fd, in_t);
termios_printf ("%d = tcgetattr (%d, %p)", res, fd, in_t);
else
termios_printf ("iflag %x, oflag %x, cflag %x, lflag %x, VMIN %d, VTIME %d",
t->c_iflag, t->c_oflag, t->c_cflag, t->c_lflag, t->c_cc[VMIN],