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* fhandler.h (fhandler_base::issymlink): New method.

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* syscalls.cc (open): Handle O_NOFOLLOW flag.
	* include/fcntl.h (_FNOFOLLOW): New define.
	(O_NOFOLLOW): Ditto.
	* include/cygwin/version.h: Bump API minor number.
This commit is contained in:
Corinna Vinschen 2005-12-22 16:45:15 +00:00
parent db55f91dc0
commit 52792a770d
5 changed files with 21 additions and 2 deletions
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8
winsup/cygwin/ChangeLog
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@ -1,3 +1,11 @@
2005-12-22 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (fhandler_base::issymlink): New method.
* syscalls.cc (open): Handle O_NOFOLLOW flag.
* include/fcntl.h (_FNOFOLLOW): New define.
(O_NOFOLLOW): Ditto.
* include/cygwin/version.h: Bump API minor number.
2005-12-22 Christopher Faylor <cgf@timesys.com>
* pinfo.cc (winpids::add): Increment nelem when winpid is true since we

1
winsup/cygwin/fhandler.h
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@ -363,6 +363,7 @@ class fhandler_base
virtual bool is_slow () {return 0;}
bool is_auto_device () {return isdevice () && !dev ().isfs ();}
bool is_fs_special () {return pc.is_fs_special ();}
bool issymlink () {return pc.issymlink ();}
bool device_access_denied (int) __attribute__ ((regparm (2)));
int fhaccess (int flags) __attribute__ ((regparm (2)));
friend class fhandler_fifo;

3
winsup/cygwin/include/cygwin/version.h
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@ -283,12 +283,13 @@ details. */
147: Eliminate problematic d_ino from dirent structure. unsetenv now returns
int, as per linux.
148: Add open(2) flags O_SYNC, O_RSYNC, O_DSYNC and O_DIRECT.
149: Add open(2) flag O_NOFOLLOW.
*/
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
#define CYGWIN_VERSION_API_MAJOR 0
#define CYGWIN_VERSION_API_MINOR 148
#define CYGWIN_VERSION_API_MINOR 149
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible

2
winsup/cygwin/include/fcntl.h
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@ -16,8 +16,10 @@ details. */
/* sys/fcntl defines values up to 0x40000 (O_NOINHERIT). */
#define _FDIRECT 0x80000
#define _FNOFOLLOW 0x100000
#define O_DIRECT _FDIRECT
#define O_NOFOLLOW _FNOFOLLOW
#define O_DSYNC _FSYNC
#define O_RSYNC _FSYNC

9
winsup/cygwin/syscalls.cc
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@ -597,8 +597,15 @@ open (const char *unix_path, int flags, ...)
if (fd >= 0)
{
if (!(fh = build_fh_name (unix_path, NULL, PC_SYM_FOLLOW)))
if (!(fh = build_fh_name (unix_path, NULL, (flags & O_NOFOLLOW) ?
PC_SYM_NOFOLLOW : PC_SYM_FOLLOW)))
res = -1; // errno already set
else if ((flags & O_NOFOLLOW) && fh->issymlink ())
{
delete fh;
res = -1;
set_errno (ELOOP);
}
else if (((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) && fh->exists ())
{
delete fh;