summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Makefile10
-rw-r--r--extra/Configs/Config.arm18
-rw-r--r--extra/Configs/Config.cross.arm.uclinux18
-rw-r--r--extra/Configs/Config.i38618
-rw-r--r--extra/Configs/Config.m68k16
-rw-r--r--extra/Configs/Config.m68k.coff16
-rw-r--r--extra/Configs/Config.mips18
-rw-r--r--extra/Configs/Config.mipsel18
-rw-r--r--extra/Configs/Config.powerpc18
-rw-r--r--extra/Configs/Config.sh18
-rw-r--r--extra/Configs/Config.v850e16
-rw-r--r--libc/stdlib/getpt.c33
-rw-r--r--libc/stdlib/grantpt.c26
-rw-r--r--libc/stdlib/ptsname.c53
-rw-r--r--libutil/openpty.c20
15 files changed, 259 insertions, 57 deletions
diff --git a/Makefile b/Makefile
index e58334aac..1490f0cc8 100644
--- a/Makefile
+++ b/Makefile
@@ -161,6 +161,16 @@ uClibc_config.h: Makefile Config
else \
echo "#undef __UCLIBC_HAVE_LFS__" >> uClibc_config.h ; \
fi
+ @if [ "$(UNIX98PTY_ONLY)" = "true" ] ; then \
+ echo "#define UNIX98PTY_ONLY 1" >> uClibc_config.h ; \
+ else \
+ echo "#undef UNIX98PTY_ONLY" >> uClibc_config.h ; \
+ fi
+ @if [ "$(ASSUME_DEVPTS)" = "true" ] ; then \
+ echo "#define ASSUME_DEVPTS 1" >> uClibc_config.h ; \
+ else \
+ echo "#undef ASSUME_DEVPTS" >> uClibc_config.h ; \
+ fi
subdirs: $(patsubst %, _dir_%, $(DIRS))
diff --git a/extra/Configs/Config.arm b/extra/Configs/Config.arm
index 2ef160fda..ba0023367 100644
--- a/extra/Configs/Config.arm
+++ b/extra/Configs/Config.arm
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = #arm-linux-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -128,10 +129,21 @@ INCLUDE_RPC = false
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
-# If you want to compile the library as PIC code, turn this on.
-DOPIC = true
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
+DOPIC = false
# Enable support for shared libraries? If this is false, you can
# ignore all the rest of the options in this file...
diff --git a/extra/Configs/Config.cross.arm.uclinux b/extra/Configs/Config.cross.arm.uclinux
index 3a122b1e0..2c3f8163f 100644
--- a/extra/Configs/Config.cross.arm.uclinux
+++ b/extra/Configs/Config.cross.arm.uclinux
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = arm-elf-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -124,10 +125,21 @@ INCLUDE_RPC = false
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
-# If you want to compile the library as PIC code, turn this on.
-DOPIC = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
+DOPIC = false
# Enable support for shared libraries? If this is false, you can
# ignore all the rest of the options in this file...
diff --git a/extra/Configs/Config.i386 b/extra/Configs/Config.i386
index 74d7236e5..7d77441d7 100644
--- a/extra/Configs/Config.i386
+++ b/extra/Configs/Config.i386
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = #$(TARGET_ARCH)-linux-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -124,10 +125,21 @@ INCLUDE_RPC = false
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
-# If you want to compile the library as PIC code, turn this on.
-DOPIC = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
+DOPIC = false
# Enable support for shared libraries? If this is false, you can
# ignore all the rest of the options in this file...
diff --git a/extra/Configs/Config.m68k b/extra/Configs/Config.m68k
index 7ffbf7b12..a2afa37e3 100644
--- a/extra/Configs/Config.m68k
+++ b/extra/Configs/Config.m68k
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
#CROSS = m68k-elf-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -124,7 +125,20 @@ INCLUDE_RPC = true
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+
+
# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
DOPIC = false
#
diff --git a/extra/Configs/Config.m68k.coff b/extra/Configs/Config.m68k.coff
index 09bb1061d..f18aef30e 100644
--- a/extra/Configs/Config.m68k.coff
+++ b/extra/Configs/Config.m68k.coff
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = m68k-coff-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -124,7 +125,20 @@ INCLUDE_RPC = true
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+
+
# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
DOPIC = false
#
diff --git a/extra/Configs/Config.mips b/extra/Configs/Config.mips
index 05544d7a2..a7ff1f0c6 100644
--- a/extra/Configs/Config.mips
+++ b/extra/Configs/Config.mips
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = mipsel-linux-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -123,10 +124,21 @@ INCLUDE_RPC = false
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
-# If you want to compile the library as PIC code, turn this on.
-DOPIC = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
+DOPIC = false
# Enable support for shared libraries? If this is false, you can
# ignore all the rest of the options in this file...
diff --git a/extra/Configs/Config.mipsel b/extra/Configs/Config.mipsel
index 05544d7a2..a7ff1f0c6 100644
--- a/extra/Configs/Config.mipsel
+++ b/extra/Configs/Config.mipsel
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = mipsel-linux-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -123,10 +124,21 @@ INCLUDE_RPC = false
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
-# If you want to compile the library as PIC code, turn this on.
-DOPIC = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
+DOPIC = false
# Enable support for shared libraries? If this is false, you can
# ignore all the rest of the options in this file...
diff --git a/extra/Configs/Config.powerpc b/extra/Configs/Config.powerpc
index 64b1190c6..16cc2d8b2 100644
--- a/extra/Configs/Config.powerpc
+++ b/extra/Configs/Config.powerpc
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = #$(TARGET_ARCH)-linux-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -124,10 +125,21 @@ INCLUDE_RPC = false
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
-# If you want to compile the library as PIC code, turn this on.
-DOPIC = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
+DOPIC = false
# Enable support for shared libraries? If this is false, you can
# ignore all the rest of the options in this file...
diff --git a/extra/Configs/Config.sh b/extra/Configs/Config.sh
index b4fcf58fd..e93b998f6 100644
--- a/extra/Configs/Config.sh
+++ b/extra/Configs/Config.sh
@@ -25,10 +25,11 @@
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = /usr/cygnus/yapp-001013/H-i686-pc-linux-gnulibc2.1/bin/sh-linux-gnu-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -148,10 +149,21 @@ INCLUDE_RPC = false
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
-# If you want to compile the library as PIC code, turn this on.
-DOPIC = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
+DOPIC = false
# Enable support for shared libraries? If this is false, you can
# ignore all the rest of the options in this file...
diff --git a/extra/Configs/Config.v850e b/extra/Configs/Config.v850e
index e7bc97ab9..7e0135707 100644
--- a/extra/Configs/Config.v850e
+++ b/extra/Configs/Config.v850e
@@ -30,10 +30,11 @@ PROJ_UCLINUX=/proj/soft2/uclinux
# Cross compile on i386-pc-linux-gnu
DESTDIR=$(PROJ_UCLINUX)/i386-pc-linux-gnu/v850e-linux
+NATIVE_CC = gcc
+
# If you are running a cross compiler, you may want to set this
# to something more interesting... Target architecture is determined
# by asking this compiler what arch it compiles stuff for.
-NATIVE_CC = gcc
CROSS = v850e-elf-
CC = $(CROSS)gcc
AR = $(CROSS)ar
@@ -129,7 +130,20 @@ INCLUDE_RPC = false
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
+# If you want to support only Unix 98 PTYs enable this. Some older
+# applications may need this disabled. For most current programs,
+# you can generally leave this true.
+UNIX98PTY_ONLY = true
+
+# Enable this if /dev/pts is on a devpts or devfs file system. Both
+# these filesystems automatically manage permissions on the /dev/pts
+# devices. You may need to mount this fs on /dev/pts for this to work.
+# This is true by default.
+ASSUME_DEVPTS = true
+
+
# If you want to compile the library as PIC code, turn this on.
+# This is automagically enabled when HAVE_SHARED is true
DOPIC = false
# String prefixed to all user symbol names by the C compiler. Usually
diff --git a/libc/stdlib/getpt.c b/libc/stdlib/getpt.c
index 0ee2d90d6..9e1f255bb 100644
--- a/libc/stdlib/getpt.c
+++ b/libc/stdlib/getpt.c
@@ -22,33 +22,45 @@
#include <stdlib.h>
#include <unistd.h>
#include <paths.h>
-#include <sys/statfs.h>
+
+#if !defined ASSUME_DEVPTS
+# include <sys/statfs.h>
/* Constant that identifies the `devpts' filesystem. */
-#define DEVPTS_SUPER_MAGIC 0x1cd1
+# define DEVPTS_SUPER_MAGIC 0x1cd1
/* Constant that identifies the `devfs' filesystem. */
-#define DEVFS_SUPER_MAGIC 0x1373
+# define DEVFS_SUPER_MAGIC 0x1373
+#endif
/* Path to the master pseudo terminal cloning device. */
#define _PATH_DEVPTMX _PATH_DEV "ptmx"
/* Directory containing the UNIX98 pseudo terminals. */
#define _PATH_DEVPTS _PATH_DEV "pts"
+#if !defined UNIX98PTY_ONLY
/* Prototype for function that opens BSD-style master pseudo-terminals. */
int __bsd_getpt (void);
+#endif
/* Open a master pseudo terminal and return its file descriptor. */
int
getpt (void)
{
+#if !defined UNIX98PTY_ONLY
static int have_no_dev_ptmx;
+#endif
int fd;
+#if !defined UNIX98PTY_ONLY
if (!have_no_dev_ptmx)
+#endif
{
fd = open (_PATH_DEVPTMX, O_RDWR);
if (fd != -1)
{
+#if defined ASSUME_DEVPTS
+ return fd;
+#else
struct statfs fsbuf;
static int devpts_mounted;
@@ -69,21 +81,28 @@ getpt (void)
are not usable. */
close (fd);
have_no_dev_ptmx = 1;
+#endif
}
else
{
+#if !defined UNIX98PTY_ONLY
if (errno == ENOENT || errno == ENODEV)
have_no_dev_ptmx = 1;
else
+#endif
return -1;
}
}
+#if !defined UNIX98PTY_ONLY
return __bsd_getpt ();
+#endif
}
-#define PTYNAME1 "pqrstuvwxyzabcde";
-#define PTYNAME2 "0123456789abcdef";
+#if !defined UNIX98PTY_ONLY
+# define PTYNAME1 "pqrstuvwxyzabcde";
+# define PTYNAME2 "0123456789abcdef";
-#define __getpt __bsd_getpt
-#include "bsd_getpt.c"
+# define __getpt __bsd_getpt
+# include "bsd_getpt.c"
+#endif
diff --git a/libc/stdlib/grantpt.c b/libc/stdlib/grantpt.c
index 7aa49fcd5..d49f0af4f 100644
--- a/libc/stdlib/grantpt.c
+++ b/libc/stdlib/grantpt.c
@@ -18,6 +18,11 @@
#include <limits.h>
#include <stdlib.h>
+
+/* If ASSUME_DEVPTS is defined, grantpt() reduces to a stub since we
+ assume that the devfs/devpts filesystem automatically manages the
+ permissions. */
+#if !defined ASSUME_DEVPTS
#include <sys/statfs.h>
/* Constant that identifies the `devpts' filesystem. */
@@ -34,18 +39,21 @@ int __unix_grantpt (int fd);
pseudo terminal in a safe way. */
static int pts_name (int fd, char **pts, size_t buf_len);
+#endif
+
/* Change the ownership and access permission of the slave pseudo
terminal associated with the master pseudo terminal specified
by FD. */
int
grantpt (int fd)
{
+#if !defined ASSUME_DEVPTS
struct statfs fsbuf;
-#ifdef PATH_MAX
+# ifdef PATH_MAX
char _buf[PATH_MAX];
-#else
+# else
char _buf[512];
-#endif
+# endif
char *buf = _buf;
if (pts_name (fd, &buf, sizeof (_buf)))
@@ -56,11 +64,13 @@ grantpt (int fd)
/* If the slave pseudo terminal lives on a `devpts' filesystem, the
ownership and access permission are already set. */
- if (fsbuf.f_type == DEVPTS_SUPER_MAGIC || fsbuf.f_type == DEVFS_SUPER_MAGIC)
- return 0;
-
+ if (fsbuf.f_type != DEVPTS_SUPER_MAGIC && fsbuf.f_type != DEVFS_SUPER_MAGIC)
return __unix_grantpt (fd);
+#endif
+ return 0;
}
-#define grantpt __unix_grantpt
-#include "unix_grantpt.c"
+#if !defined ASSUME_DEVPTS
+# define grantpt __unix_grantpt
+# include "unix_grantpt.c"
+#endif
diff --git a/libc/stdlib/ptsname.c b/libc/stdlib/ptsname.c
index fd50da047..ce4847f35 100644
--- a/libc/stdlib/ptsname.c
+++ b/libc/stdlib/ptsname.c
@@ -27,6 +27,8 @@
#include <termios.h>
#include <unistd.h>
+#if !defined UNIX98PTY_ONLY
+
/* Check if DEV corresponds to a master pseudo terminal device. */
#define MASTER_P(Dev) \
(major ((Dev)) == 2 \
@@ -44,22 +46,16 @@
supported. They have been replaced by major numbers 2 (masters)
and 3 (slaves). */
-/* Directory where we can find the slave pty nodes. */
-#define _PATH_DEVPTS "/dev/pts/"
-
/* The are declared in getpt.c. */
extern const char _ptyname1[];
extern const char _ptyname2[];
-/* Static buffer for `ptsname'. */
-static char buffer[sizeof (_PATH_DEVPTS) + 20];
+#endif
-/*
-extern char *
-_itoa_word (unsigned long value, char *buflim,
- unsigned int base, int upper_case);
-*/
+/* Directory where we can find the slave pty nodes. */
+#define _PATH_DEVPTS "/dev/pts/"
+extern char *__ultostr(char *buf, unsigned long uval, int base, int uppercase);
/* Store at most BUFLEN characters of the pathname of the slave pseudo
terminal associated with the master FD is open on in BUF.
@@ -67,7 +63,9 @@ _itoa_word (unsigned long value, char *buflim,
int ptsname_r (int fd, char *buf, size_t buflen)
{
int save_errno = errno;
+#if !defined UNIX98PTY_ONLY
struct stat st;
+#endif
int ptyno;
if (buf == NULL)
@@ -76,26 +74,28 @@ int ptsname_r (int fd, char *buf, size_t buflen)
return EINVAL;
}
+#if !defined UNIX98PTY_ONLY
if (!isatty (fd))
{
errno = ENOTTY;
return ENOTTY;
}
-#if 0
+#elif !defined TIOCGPTN
+# error "UNIX98PTY_ONLY requested but TIOCGPTN is undefined."
+#endif
#ifdef TIOCGPTN
if (ioctl (fd, TIOCGPTN, &ptyno) == 0)
{
/* Buffer we use to print the number in. For a maximum size for
`int' of 8 bytes we never need more than 20 digits. */
char numbuf[21];
- const char *devpts = _PATH_DEVPTS;
- const size_t devptslen = strlen (devpts);
+ static const char devpts[] = _PATH_DEVPTS;
char *p;
numbuf[20] = '\0';
- p = _itoa_word (ptyno, &numbuf[20], 10, 0);
+ p = __ultostr (&numbuf[sizeof numbuf - 1], ptyno, 10, 0);
- if (buflen < devptslen + strlen (p) + 1)
+ if (buflen < sizeof devpts + &numbuf[sizeof numbuf - 1] - p)
{
errno = ERANGE;
return ERANGE;
@@ -104,9 +104,25 @@ int ptsname_r (int fd, char *buf, size_t buflen)
strcpy (buf, devpts);
strcat (buf, p);
}
- else if (errno == EINVAL)
-#endif
#endif
+#if defined UNIX98PTY_ONLY
+ else
+ {
+ /* If the ioctl fails it wasn't a Unix 98 master PTY */
+ errno = ENOTTY;
+ return ENOTTY;
+ }
+ /* Note: Don't bother with stat on the slave name and checking the
+ driver's major device number - the ioctl above succeeded so
+ we know the fd was a Unix'98 master and the /dev/pts/ prefix
+ is set by definition. If the name isn't really a slave PTY,
+ the system is misconfigured anyway - something else will fail
+ later.
+ */
+#else
+# if !defined TIOCGPTN
+ else if (errno == EINVAL)
+# endif
{
char *p;
@@ -156,6 +172,7 @@ int ptsname_r (int fd, char *buf, size_t buflen)
errno = ENOTTY;
return ENOTTY;
}
+#endif
errno = save_errno;
return 0;
@@ -167,5 +184,7 @@ int ptsname_r (int fd, char *buf, size_t buflen)
char *
ptsname (int fd)
{
+ static char buffer[sizeof (_PATH_DEVPTS) + 20];
+
return ptsname_r (fd, buffer, sizeof (buffer)) != 0 ? NULL : buffer;
}
diff --git a/libutil/openpty.c b/libutil/openpty.c
index 1c2adbf6a..f0574474b 100644
--- a/libutil/openpty.c
+++ b/libutil/openpty.c
@@ -32,6 +32,8 @@ extern int grantpt (int fd);
extern int ptsname_r (int fd, char *buf, size_t buflen);
extern int unlockpt (int fd);
+/* BCS: the following function is, IMO, overkill */
+#if 0
/* Return the result of ptsname_r in the buffer pointed to by PTS,
which should be of length BUF_LEN. If it is too long to fit in
this buffer, a sufficiently long buffer is allocated using malloc,
@@ -83,6 +85,7 @@ pts_name (int fd, char **pts, size_t buf_len)
return rv;
}
+#endif
/* Create pseudo tty master slave pair and set terminal attributes
according to TERMP and WINP. Return handles for both ends in
@@ -91,12 +94,20 @@ int
openpty (int *amaster, int *aslave, char *name, struct termios *termp,
struct winsize *winp)
{
+#if 0
#ifdef PATH_MAX
char _buf[PATH_MAX];
#else
char _buf[512];
#endif
char *buf = _buf;
+#else
+#ifdef PATH_MAX
+ char buf[PATH_MAX];
+#else
+ char buf[512];
+#endif
+#endif
int master, slave;
master = getpt ();
@@ -109,15 +120,20 @@ openpty (int *amaster, int *aslave, char *name, struct termios *termp,
if (unlockpt (master))
goto fail;
+#if 0
if (pts_name (master, &buf, sizeof (_buf)))
+#else
+ if (ptsname_r (master, buf, sizeof buf))
+#endif
goto fail;
slave = open (buf, O_RDWR | O_NOCTTY);
if (slave == -1)
{
+#if 0
if (buf != _buf)
free (buf);
-
+#endif
goto fail;
}
@@ -132,8 +148,10 @@ openpty (int *amaster, int *aslave, char *name, struct termios *termp,
if (name != NULL)
strcpy (name, buf);
+#if 0
if (buf != _buf)
free (buf);
+#endif
return 0;
fail: