about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/getpt.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1998-09-17 19:51:33 +0000
committerUlrich Drepper <drepper@redhat.com>1998-09-17 19:51:33 +0000
commit9b3c7c3c713d7018c79f0b0ca0b34d386e8a25dd (patch)
tree77802928e3a7d3163bc63c89979295da8260112a /sysdeps/unix/sysv/linux/getpt.c
parentd8f2b9ea8cf4fb6d043f2dbbeaaca04d4fd70fc6 (diff)
downloadglibc-9b3c7c3c713d7018c79f0b0ca0b34d386e8a25dd.tar.gz
glibc-9b3c7c3c713d7018c79f0b0ca0b34d386e8a25dd.tar.xz
glibc-9b3c7c3c713d7018c79f0b0ca0b34d386e8a25dd.zip
Update.
1998-09-17 19:34  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/sysv4/bits/utsname.h: Fix typo.
	Patch by John Tobey <jtobey@banta-im.com>.

1998-09-17  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/pty-internal.h: Removed.  Moved constants related to the
	`grantpt' helper program protocol to ...
	* login/pty-private.h: ... here.  New file.
	* sysdeps/unix/sysv/linux/ptsname.c (ptsname): Reimplementation
	to make the function work with kernels >= 2.1.115.
	* sysdeps/unix/sysv/linux/getpt.c (getpt): Reimplement to call BSD
	version if using the cloning device fails.
	* sysdeps/unix/sysv/linux/grantpt.c: New file.
	* sysdeps/unix/sysv/linux/unlockpt.c: General cleanup.
	* sysdeps/unix/bsd/getpt.c (__getpt): Largely rewritten to allow
	use by Linux specific code.
	* sysdeps/unix/bsd/unlockpt.c: General cleanup.
	* sysdeps/unix/grantpt.c: Largely rewritten.  (pts_name): New
	function.  (grantpt): Use pts_name, check group and permission
	mode in addition to owner.  Try to set the owner, group and
	permission mode first without invoking the helper program.
	* login/programs/pt_chown.c: Largely rewritten.  Add argp and
	internationalization support.  Use symbolic constants instead of
	hardwired numbers for permission mode.
	* sysdeps/unix/bsd/ptsname.c: New file.

1998-09-17 22:04  Tim Waugh  <tim@cyberelk.demon.co.uk>

	* posix/wordexp-test.c: Undo last change.

	* posix/wordexp.c: Undo last change.
Diffstat (limited to 'sysdeps/unix/sysv/linux/getpt.c')
-rw-r--r--sysdeps/unix/sysv/linux/getpt.c51
1 files changed, 16 insertions, 35 deletions
diff --git a/sysdeps/unix/sysv/linux/getpt.c b/sysdeps/unix/sysv/linux/getpt.c
index 0f5949d1bc..8165eccc1b 100644
--- a/sysdeps/unix/sysv/linux/getpt.c
+++ b/sysdeps/unix/sysv/linux/getpt.c
@@ -17,33 +17,26 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#include <sys/types.h>
-#include <fcntl.h>
 #include <errno.h>
+#include <fcntl.h>
 #include <stdlib.h>
-#include <string.h>
 
-#include "pty-internal.h"
+/* Path to the master pseudo terminal cloning device.  */
+#define _PATH_DEVPTMX "/dev/ptmx"
 
-/* Per Documentation/devices.txt: pty masters are /dev/pty[p-za-e][0-9a-f].
-   These strings are used also in ptsname.c. */
-const char __ptyname1[] = "pqrstuvwxyzabcde";
-const char __ptyname2[] = "0123456789abcdef";
+/* Prototype for function that opens BSD-style master pseudo-terminals.  */
+int __bsd_getpt (void);
 
-/* Open the master side of a pseudoterminal and return its file
-   descriptor, or -1 on error.  Linux version. */
+/* Open a master pseudo terminal and return its file descriptor.  */
 int
-__getpt ()
+__getpt (void)
 {
-  int fd;
-  const char *i, *j;
   static int have_dev_ptmx = 1;
-  char namebuf[PTYNAMELEN];
+  int fd;
 
-  /* The new way:  */
   if (have_dev_ptmx)
     {
-      fd = __open ("/dev/ptmx", O_RDWR);
+      fd = __open (_PATH_DEVPTMX, O_RDWR);
       if (fd != -1)
 	return fd;
       else
@@ -55,23 +48,11 @@ __getpt ()
 	}
     }
 
-  /* The old way: */
-  strcpy (namebuf, "/dev/pty");
-  namebuf[10] = '\0';
-  for (i = __ptyname1; *i; ++i)
-    {
-      namebuf[8] = *i;
-      for (j = __ptyname2; *j; ++j)
-        {
-	  namebuf[9] = *j;
-	  fd = __open (namebuf, O_RDWR);
-	  if (fd != -1)
-	    return fd;
-	  if (errno != EIO)
-	    return -1;
-        }
-    }
-  __set_errno (ENFILE);
-  return -1;
+  return __bsd_getpt ();
 }
-weak_alias (__getpt, getpt)
+
+#define PTYNAME1 "pqrstuvwxyzabcde";
+#define PTYNAME2 "0123456789abcdef";
+
+#define __getpt __bsd_getpt
+#include <sysdeps/unix/bsd/getpt.c>