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* exceptions.cc: Add stdlib.h include for alloca declaration.

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* poll.cc: Ditto.
* termios.cc: Ditto.
* syscalls.cc (_write): Only allow zero length when fd is valid.
This commit is contained in:
Christopher Faylor 2001-11-15 03:25:52 +00:00
parent d590035529
commit e2b3dc2580
5 changed files with 24 additions and 7 deletions
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12
winsup/cygwin/ChangeLog
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@ -1,7 +1,17 @@
2001-11-14 Christopher Faylor <cgf@redhat.com>
* exceptions.cc: Add stdlib.h include for alloca declaration.
* poll.cc: Ditto.
* termios.cc: Ditto.
2001-11-14 Christopher Faylor <cgf@redhat.com>
* syscalls.cc (_write): Only allow zero length when fd is valid.
2001-11-14 Corinna Vinschen <corinna@vinschen.de> 2001-11-14 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc (fhandler_disk_file::fstat): Add setting access time * fhandler.cc (fhandler_disk_file::fstat): Add setting access time
and creation time to last modification time for files on filesystems and creation time to last modification time for files on filesystems
not supporting multiple timestamps. not supporting multiple timestamps.
(fhandler_disk_file::fstat_helper): Set access time and creation (fhandler_disk_file::fstat_helper): Set access time and creation
time in incoming Windows structure instead of in stat buf to avoid time in incoming Windows structure instead of in stat buf to avoid

1
winsup/cygwin/exceptions.cc
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@ -11,6 +11,7 @@ details. */
#include "winsup.h" #include "winsup.h"
#include <imagehlp.h> #include <imagehlp.h>
#include <errno.h> #include <errno.h>
#include <stdlib.h>
#include "exceptions.h" #include "exceptions.h"
#include "sync.h" #include "sync.h"

1
winsup/cygwin/poll.cc
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@ -12,6 +12,7 @@
#include <sys/time.h> #include <sys/time.h>
#include <sys/poll.h> #include <sys/poll.h>
#include <errno.h> #include <errno.h>
#include <stdlib.h>
#include "security.h" #include "security.h"
#include "fhandler.h" #include "fhandler.h"
#include "path.h" #include "path.h"

16
winsup/cygwin/syscalls.cc
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@ -355,12 +355,6 @@ _read (int fd, void *ptr, size_t len)
extern "C" ssize_t extern "C" ssize_t
_write (int fd, const void *ptr, size_t len) _write (int fd, const void *ptr, size_t len)
{ {
if (len == 0)
return 0;
if (__check_invalid_read_ptr_errno (ptr, len))
return -1;
int res = -1; int res = -1;
sigframe thisframe (mainthread); sigframe thisframe (mainthread);
@ -368,6 +362,16 @@ _write (int fd, const void *ptr, size_t len)
if (cfd < 0) if (cfd < 0)
goto done; goto done;
/* No further action required for len == 0 */
if (len == 0)
{
res = 0;
goto done;
}
if (len && __check_invalid_read_ptr_errno (ptr, len))
goto done;
/* Could block, so let user know we at least got here. */ /* Could block, so let user know we at least got here. */
if (fd == 1 || fd == 2) if (fd == 1 || fd == 2)
paranoid_printf ("write (%d, %p, %d)", fd, ptr, len); paranoid_printf ("write (%d, %p, %d)", fd, ptr, len);

1
winsup/cygwin/termios.cc
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@ -14,6 +14,7 @@ details. */
#include "winsup.h" #include "winsup.h"
#include <errno.h> #include <errno.h>
#include <signal.h> #include <signal.h>
#include <stdlib.h>
#include "cygerrno.h" #include "cygerrno.h"
#include "security.h" #include "security.h"
#include "fhandler.h" #include "fhandler.h"