diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/ttyname.c | 23 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ttyname_r.c | 29 |
2 files changed, 31 insertions, 21 deletions
diff --git a/sysdeps/unix/sysv/linux/ttyname.c b/sysdeps/unix/sysv/linux/ttyname.c index a32d1a6605..9d345b8b94 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 b92c712fcc..ae5a029e65 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) |