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authorJason McIntyre <jmc@cvs.openbsd.org>2007-07-03 12:06:08 +0000
committerJason McIntyre <jmc@cvs.openbsd.org>2007-07-03 12:06:08 +0000
commitd719c962c037490893e8d5759faee39a0dd71542 (patch)
tree842a3c0cce932b81fb4f6cf5d895eca6eb76919c
parent8015445c5cac26cd647c5de91538a9d3e015a29c (diff)
from ginsbach@netbsd, -r1.18:
Document that getopt_long(3) can and will accept unique abbreviated long option names. This feature has been present since getopt_long(3) was first released in NetBSD 1.5. This is also standard GNU getopt_long(3) behavior. ok millert
-rw-r--r--lib/libc/stdlib/getopt_long.39
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/libc/stdlib/getopt_long.3 b/lib/libc/stdlib/getopt_long.3
index 78eb8dee65e..2bab9637341 100644
--- a/lib/libc/stdlib/getopt_long.3
+++ b/lib/libc/stdlib/getopt_long.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: getopt_long.3,v 1.14 2007/05/31 19:19:31 jmc Exp $
+.\" $OpenBSD: getopt_long.3,v 1.15 2007/07/03 12:06:07 jmc Exp $
.\" $NetBSD: getopt_long.3,v 1.11 2002/10/02 10:54:19 wiz Exp $
.\"
.\" Copyright (c) 1988, 1991, 1993
@@ -30,7 +30,7 @@
.\"
.\" @(#)getopt.3 8.5 (Berkeley) 4/27/95
.\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: July 3 2007 $
.Dt GETOPT_LONG 3
.Os
.Sh NAME
@@ -93,6 +93,11 @@ It is possible to combine these methods, providing for long options
processing with short option equivalents for some options.
Less frequently used options would be processed as long options only.
.Pp
+Abbreviated long option names are accepted when
+.Fn getopt_long
+processes long options if the abbreviation is unique.
+An exact match is always preferred for a defined long option.
+.Pp
The
.Fn getopt_long
call requires a structure to be initialized describing the long