Date: Fri, 31 May 2013 22:09:32 +0000 (UTC) From: Jilles Tjoelker <jilles@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r251203 - head/lib/libc/sys Message-ID: <201305312209.r4VM9WJ7086296@svn.freebsd.org>
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Author: jilles Date: Fri May 31 22:09:31 2013 New Revision: 251203 URL: http://svnweb.freebsd.org/changeset/base/251203 Log: dup(2): Clarify return value, in particular of dup2(). Modified: head/lib/libc/sys/dup.2 Modified: head/lib/libc/sys/dup.2 ============================================================================== --- head/lib/libc/sys/dup.2 Fri May 31 22:08:25 2013 (r251202) +++ head/lib/libc/sys/dup.2 Fri May 31 22:09:31 2013 (r251203) @@ -28,7 +28,7 @@ .\" @(#)dup.2 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd April 21, 2013 +.Dd June 1, 2013 .Dt DUP 2 .Os .Sh NAME @@ -113,10 +113,11 @@ is a valid descriptor, then .Fn dup2 is successful, and does nothing. .Sh RETURN VALUES -The value -1 is returned if an error occurs in either call. -The external variable +These calls return the new file descriptor if successful; +otherwise the value -1 is returned and +the external variable .Va errno -indicates the cause of the error. +is set to indicate the cause of the error. .Sh ERRORS The .Fn dup
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