From 46658b2b2e9c11075190dc1e98cbdf557c57bff4 Mon Sep 17 00:00:00 2001
From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 31 Oct 2008 15:14:40 +0000
Subject: [PATCH] In example use of err(3) and errx(3), use sysexits(3)
constants.
MFC after: 3 days
Submitted by: Bruce Cran <bruce at cran dot org dot uk>
---
lib/libc/gen/err.3 | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/lib/libc/gen/err.3 b/lib/libc/gen/err.3
index 7c7720b71e19..4871bcc1566b 100644
--- a/lib/libc/gen/err.3
+++ b/lib/libc/gen/err.3
@@ -178,15 +178,16 @@ or a null pointer
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 +196,7 @@ if ((fd = open(raw_device, O_RDONLY, 0)) == -1)
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