So, how about the patch below in order to fix the issue Faisan
brought up for lspcu?
>From 0f0f80b71e90b6ab58d9f6009b8356bb42235916 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Date: Wed, 8 Aug 2012 10:52:47 +0200
Subject: [PATCH] lscpu: limit options --all, --online, --offline to parsable
and extended output
Passing the --all, --online or --offline options for the output summary
doesn't make much sense. It should be limited to the two list output options.
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
---
sys-utils/lscpu.1 | 9 ++++++---
sys-utils/lscpu.c | 12 ++++++++++++
2 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/sys-utils/lscpu.1 b/sys-utils/lscpu.1
index 41dae83..f7e34b9 100644
--- a/sys-utils/lscpu.1
+++ b/sys-utils/lscpu.1
@@ -81,13 +81,16 @@ and hypervisor support CPU polarization.
.SH OPTIONS
.TP
.BR \-a , " \-\-all"
-Include online and offline CPUs in the output (default for -e).
+Include lines for online and offline CPUs in the output (default for -e). This
+option may only specified together with option -e or -p.
.TP
.BR \-b , " \-\-online"
-Limit the output to online CPUs (default for -p).
+Limit the output to online CPUs (default for -p). This option may only
+be specified together with option -e or -p.
.TP
.BR \-c , " \-\-offline"
-Limit the output to offline CPUs.
+Limit the output to offline CPUs. This option may only be specified together
+with option -e or -p.
.TP
.BR \-e , " \-\-extended " \fI[=list]\fP
Display the CPU information in human readable format.
diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c
index b93998a..25a0273 100644
--- a/sys-utils/lscpu.c
+++ b/sys-utils/lscpu.c
@@ -1243,6 +1243,7 @@ int main(int argc, char *argv[])
struct lscpu_desc _desc = { .flags = 0 }, *desc = &_desc;
int c, i;
int columns[ARRAY_SIZE(coldescs)], ncolumns = 0;
+ int cpu_modifier_specified = 0;
static const struct option longopts[] = {
{ "all", no_argument, 0, 'a' },
@@ -1276,12 +1277,15 @@ int main(int argc, char *argv[])
switch (c) {
case 'a':
mod->online = mod->offline = 1;
+ cpu_modifier_specified = 1;
break;
case 'b':
mod->online = 1;
+ cpu_modifier_specified = 1;
break;
case 'c':
mod->offline = 1;
+ cpu_modifier_specified = 1;
break;
case 'h':
usage(stdout);
@@ -1316,6 +1320,14 @@ int main(int argc, char *argv[])
}
}
+ if (cpu_modifier_specified && mod->mode == OUTPUT_SUMMARY) {
+ fprintf(stderr,
+ _("%s: options --all, --online and --offline may only "
+ "be used with options --extended or --parsable.\n"),
+ program_invocation_short_name);
+ return EXIT_FAILURE;
+ }
+
if (argc != optind)
usage(stderr);
--
1.7.9.5
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