Date: Mon, 8 Sep 2008 19:58:42 GMT From: Bruce Cran <bruce@cran.org.uk> To: freebsd-gnats-submit@FreeBSD.org Subject: docs/127220: [patch] err(3) suggests using exit values from sysexits(3) but examples don't Message-ID: <200809081958.m88JwgPK080011@www.freebsd.org> Resent-Message-ID: <200809082000.m88K0CBx040055@freefall.freebsd.org>
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>Number: 127220
>Category: docs
>Synopsis: [patch] err(3) suggests using exit values from sysexits(3) but examples don't
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-doc
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: doc-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Sep 08 20:00:11 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator: Bruce Cran
>Release: 7.0-RELEASE-p3
>Organization:
>Environment:
FreeBSD tau.draftnet 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #1: Mon Aug 4 00:11:11 BST 2008 brucec@tau.draftnet:/usr/obj/usr/src/sys/MYKERNEL amd64
>Description:
err(3) suggests that exit codes from sysexits(3) be used for the eval parameter, but fails to use them in the examples.
>How-To-Repeat:
man 3 err
>Fix:
Patch attached with submission follows:
--- /usr/src/lib/libc/gen/err.3 2007-01-09 00:27:53.000000000 +0000
+++ err.3 2008-09-08 20:54:20.000000000 +0100
@@ -178,15 +178,15 @@
Display the current errno information string and exit:
.Bd -literal -offset indent
if ((p = malloc(size)) == NULL)
- err(1, NULL);
+ err(EX_OSERR, NULL);
if ((fd = open(file_name, O_RDONLY, 0)) == -1)
- err(1, "%s", file_name);
+ err(EX_NOINPUT, "%s", file_name);
.Ed
.Pp
Display an error message and exit:
.Bd -literal -offset indent
if (tm.tm_hour < START_TIME)
- errx(1, "too early, wait until %s", start_time_string);
+ errx(EX_DATAERR, "too early, wait until %s", start_time_string);
.Ed
.Pp
Warn of an error:
@@ -195,7 +195,7 @@
warnx("%s: %s: trying the block device",
raw_device, strerror(errno));
if ((fd = open(block_device, O_RDONLY, 0)) == -1)
- err(1, "%s", block_device);
+ err(EX_OSFILE, "%s", block_device);
.Ed
.Pp
Warn of an error without using the global variable
>Release-Note:
>Audit-Trail:
>Unformatted:
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