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| author |   jmc <jmc@openbsd.org> | 2007-07-03 14:45:34 +0000 |
|---|---|---|
| committer | jmc <jmc@openbsd.org> | 2007-07-03 14:45:34 +0000 |
| commit | 5326a4893a5332577c8752afffe78719ca564b34 (patch) | |
| tree | bcd3574911bedc0bce066c83698dbeb524c65f73 /lib/libc | |
| parent | Rework the way opencvs works in relation to files in the Attic/: (diff) | |
| download | wireguard-openbsd-5326a4893a5332577c8752afffe78719ca564b34.tar.xz wireguard-openbsd-5326a4893a5332577c8752afffe78719ca564b34.zip | |
from Nicholas Marriott:
ttyname_r returns an error number, rather than setting errno.
ok millert
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/gen/ttyname.3 | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/libc/gen/ttyname.3 b/lib/libc/gen/ttyname.3 index 0b882c38015..420fa423d7d 100644 --- a/lib/libc/gen/ttyname.3 +++ b/lib/libc/gen/ttyname.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ttyname.3,v 1.16 2007/05/31 19:19:29 jmc Exp $ +.\" $OpenBSD: ttyname.3,v 1.17 2007/07/03 14:45:34 jmc Exp $ .\" .\" Copyright (c) 1991, 1993 .\" The Regents of the University of California. All rights reserved. @@ -27,7 +27,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd $Mdocdate: May 31 2007 $ +.Dd $Mdocdate: July 3 2007 $ .Dt TTYNAME 3 .Os .Sh NAME @@ -99,9 +99,7 @@ file entry. .Sh RETURN VALUES The .Fn ttyname -and -.Fn ttyname_r -functions return the NUL-terminated name if the device is found and +function returns the NUL-terminated name if the device is found and .Fn isatty is true; otherwise a null pointer is returned and @@ -109,6 +107,10 @@ a null pointer is returned and is set to indicate the error. .Pp The +.Fn ttyname_r +function returns zero if successful; otherwise an error number is returned. +.Pp +The .Fn isatty function returns 1 if .Fa fd @@ -127,7 +129,8 @@ the value zero is returned. .El .Sh ERRORS The -.Fn ttyname +.Fn ttyname , +.Fn ttyname_r , and .Fn isatty functions will fail if: |