linux-kernel - [PATCH 1/5] selftests: kselftest framework: add handling for TAP header level

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <3176a8f2e1aaf19632cece19a7945a12e5ebc35f.1519423340.git.shuahkh@osg.samsung.com>
Date:   Fri, 23 Feb 2018 15:11:36 -0700
From:   Shuah Khan <shuahkh@....samsung.com>
To:     shuah@...nel.org, dvhart@...radead.org, tbird20d@...il.com
Cc:     Shuah Khan <shuahkh@....samsung.com>, tglx@...utronix.de,
        mingo@...hat.com, peterz@...radead.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: [PATCH 1/5] selftests: kselftest framework: add handling for TAP header level

Introduce environment variable KSFT_TAP_LEVEL to avoid printing
nested TAP headers for each test. lib.mk run_tests target prints
TAP header before invoking the test program or test script. Tests
need a way to suppress TAP headers if it is already printed out.

This new environment variable adds a way for ksft_print_header()
print TAP header only when KSFT_TAP_LEVEL isn't set.

lib.mk run_tests and test program should print TAP header and set
KSFT_TAP_LEVEL to avoid a second TAP header to be printed.

selftests Makefile should export KSFT_TAP_LEVEL and add TAP Header
echo to the run_kselftest.sh script from emit_tests target handling.

Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
---
 tools/testing/selftests/kselftest.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 1a52b03962a3..1b9d8ecdebce 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -57,7 +57,8 @@ static inline int ksft_get_error_cnt(void) { return ksft_cnt.ksft_error; }

 static inline void ksft_print_header(void)
 {
-	printf("TAP version 13\n");
+	if (!(getenv("KSFT_TAP_LEVEL")))
+		printf("TAP version 13\n");
 }

 static inline void ksft_print_cnts(void)
-- 
2.14.1