linux-kernel - [tip:perf/urgent] perf tools: Add '\n' at the end of parse-options error messages

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Date:   Sat, 21 Apr 2018 00:52:56 -0700
From:   tip-bot for Ravi Bangoria <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, jolsa@...hat.com, tglx@...utronix.de,
        pombredanne@...b.com, uneedsihyeon@...il.com,
        ravi.bangoria@...ux.vnet.ibm.com,
        alexander.shishkin@...ux.intel.com, linux-kernel@...r.kernel.org,
        mhiramat@...nel.org, kstewart@...uxfoundation.org, hpa@...or.com,
        namhyung@...nel.org, kjlx@...pleofstupid.com, acme@...hat.com,
        peterz@...radead.org
Subject: [tip:perf/urgent] perf tools: Add '\n' at the end of parse-options
 error messages

Commit-ID:  66f5a0779af2a4f28b1832f6c20bc9d3b1ab1886
Gitweb:     https://git.kernel.org/tip/66f5a0779af2a4f28b1832f6c20bc9d3b1ab1886
Author:     Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
AuthorDate: Tue, 17 Apr 2018 09:43:44 +0530
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 18 Apr 2018 15:35:51 -0300

perf tools: Add '\n' at the end of parse-options error messages

Few error messages does not have '\n' at the end and thus next prompt
gets printed in the same line. Ex,

  linux~$ perf buildid-cache -verbose --add ./a.out
   Error: did you mean `--verbose` (with two dashes ?)linux~$

Fix it.

Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
Reviewed-by: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Kate Stewart <kstewart@...uxfoundation.org>
Cc: Krister Johansen <kjlx@...pleofstupid.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Philippe Ombredanne <pombredanne@...b.com>
Cc: Sihyeon Jang <uneedsihyeon@...il.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/20180417041346.5617-2-ravi.bangoria@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/lib/subcmd/parse-options.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/lib/subcmd/parse-options.c b/tools/lib/subcmd/parse-options.c
index f6a1babcbac4..cb7154eccbdc 100644
--- a/tools/lib/subcmd/parse-options.c
+++ b/tools/lib/subcmd/parse-options.c
@@ -433,7 +433,7 @@ match:
 
 	if (ambiguous_option) {
 		 fprintf(stderr,
-			 " Error: Ambiguous option: %s (could be --%s%s or --%s%s)",
+			 " Error: Ambiguous option: %s (could be --%s%s or --%s%s)\n",
 			 arg,
 			 (ambiguous_flags & OPT_UNSET) ?  "no-" : "",
 			 ambiguous_option->long_name,
@@ -458,7 +458,7 @@ static void check_typos(const char *arg, const struct option *options)
 		return;
 
 	if (strstarts(arg, "no-")) {
-		fprintf(stderr, " Error: did you mean `--%s` (with two dashes ?)", arg);
+		fprintf(stderr, " Error: did you mean `--%s` (with two dashes ?)\n", arg);
 		exit(129);
 	}
 
@@ -466,7 +466,7 @@ static void check_typos(const char *arg, const struct option *options)
 		if (!options->long_name)
 			continue;
 		if (strstarts(options->long_name, arg)) {
-			fprintf(stderr, " Error: did you mean `--%s` (with two dashes ?)", arg);
+			fprintf(stderr, " Error: did you mean `--%s` (with two dashes ?)\n", arg);
 			exit(129);
 		}
 	}