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authorUlrich Drepper <drepper@redhat.com>1999-03-05 18:52:41 +0000
committerUlrich Drepper <drepper@redhat.com>1999-03-05 18:52:41 +0000
commitaad20af475f8e3e1d7d878e82d82d433706ffaff (patch)
tree057adf49a680a45aa17b8d2c8fa1c0103a7e77c4
parentc277d2e55aea93070df74a1b8b7fcc6c44534254 (diff)
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Update.
* sysdeps/unix/sysv/linux/ttyname_r.c (__ttyname_r): Remember whether /dev/pts is available. * sysdeps/unix/sysv/linux/ttyname.c (ttyname): Fix handling of dev_pts_available.
-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/unix/sysv/linux/ttyname.c23
-rw-r--r--sysdeps/unix/sysv/linux/ttyname_r.c29
3 files changed, 36 insertions, 21 deletions
diff --git a/ChangeLog b/ChangeLog
index 0a8ed4f..b5de71d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
1999-03-05 Ulrich Drepper <drepper@cygnus.com>
+ * sysdeps/unix/sysv/linux/ttyname_r.c (__ttyname_r): Remember
+ whether /dev/pts is available.
+ * sysdeps/unix/sysv/linux/ttyname.c (ttyname): Fix handling of
+ dev_pts_available.
+
* posix/globtest.sh: Make common_objpfx path absolute and and db2
and hesiod directory to library path [PR libc/1007].
diff --git a/sysdeps/unix/sysv/linux/ttyname.c b/sysdeps/unix/sysv/linux/ttyname.c
index a32d1a6..9d345b8 100644
--- a/sysdeps/unix/sysv/linux/ttyname.c
+++ b/sysdeps/unix/sysv/linux/ttyname.c
@@ -111,7 +111,7 @@ ttyname (fd)
char procname[30];
struct stat st, st1;
int dostat = 0;
- char *name;
+ char *name = NULL;
int save = errno;
if (!__isatty (fd))
@@ -139,20 +139,21 @@ ttyname (fd)
if (__fxstat (_STAT_VER, fd, &st) < 0)
return NULL;
- if (dev_pts_available
- && __xstat (_STAT_VER, "/dev/pts", &st1) == 0 && S_ISDIR (st1.st_mode))
+ if (dev_pts_available)
{
+ if (__xstat (_STAT_VER, "/dev/pts", &st1) == 0 && S_ISDIR (st1.st_mode))
+ {
#ifdef _STATBUF_ST_RDEV
- name = getttyname ("/dev/pts", st.st_rdev, st.st_ino, save, &dostat);
+ name = getttyname ("/dev/pts", st.st_rdev, st.st_ino, save, &dostat);
#else
- name = getttyname ("/dev/pts", st.st_dev, st.st_ino, save, &dostat);
+ name = getttyname ("/dev/pts", st.st_dev, st.st_ino, save, &dostat);
#endif
- }
- else
- {
- __set_errno (save);
- name = NULL;
- dev_pts_available = 1;
+ }
+ else
+ {
+ __set_errno (save);
+ dev_pts_available = 0;
+ }
}
if (!name && dostat != -1)
diff --git a/sysdeps/unix/sysv/linux/ttyname_r.c b/sysdeps/unix/sysv/linux/ttyname_r.c
index b92c712..ae5a029 100644
--- a/sysdeps/unix/sysv/linux/ttyname_r.c
+++ b/sysdeps/unix/sysv/linux/ttyname_r.c
@@ -103,6 +103,7 @@ __ttyname_r (fd, buf, buflen)
char *buf;
size_t buflen;
{
+ static int dev_pts_available = 1;
char procname[30];
struct stat st, st1;
int dostat = 0;
@@ -148,20 +149,28 @@ __ttyname_r (fd, buf, buflen)
memcpy (buf, "/dev/pts/", sizeof ("/dev/pts/"));
buflen -= sizeof ("/dev/pts/") - 1;
- if (__xstat (_STAT_VER, buf, &st1) == 0 && S_ISDIR (st1.st_mode))
+ if (dev_pts_available)
{
+ if (__xstat (_STAT_VER, buf, &st1) == 0 && S_ISDIR (st1.st_mode))
+ {
#ifdef _STATBUF_ST_RDEV
- ret = getttyname_r (buf, buflen, st.st_rdev, st.st_ino, save,
- &dostat);
+ ret = getttyname_r (buf, buflen, st.st_rdev, st.st_ino, save,
+ &dostat);
#else
- ret = getttyname_r (buf, buflen, st.st_dev, st.st_ino, save,
- &dostat);
+ ret = getttyname_r (buf, buflen, st.st_dev, st.st_ino, save,
+ &dostat);
#endif
- }
- else
- {
- __set_errno (save);
- ret = ENOENT;
+ }
+ else
+ {
+ __set_errno (save);
+ ret = ENOENT;
+ }
+ else
+ {
+ __set_errno (save);
+ dev_pts_available = 0;
+ }
}
if (ret && dostat != -1)