Commit 0e27ded1 authored Feb 25, 2019 by Juerg Haefliger Committed by Shuah Khan Feb 25, 2019

selftests/ftrace: Handle the absence of tput



In environments where tput is not available, we get the following
error
$ ./ftracetest: 163: [: Illegal number:
because ncolors is an empty string. Fix that by setting it to 0 if the
tput command fails.

Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>

parent 4ce55a9c

tools/testing/selftests/ftrace/ftracetest

+2 −2

Original line number	Diff line number	Diff line
		@@ -154,13 +154,13 @@ fi

		# Define text colors
		# Check available colors on the terminal, if any
		ncolors=`tput colors 2>/dev/null`
		ncolors=`tput colors 2>/dev/null \|\| echo 0`
		color_reset=
		color_red=
		color_green=
		color_blue=
		# If stdout exists and number of colors is eight or more, use them
		if [ -t 1 -a "$ncolors" -a "$ncolors" -ge 8 ]; then
		if [ -t 1 -a "$ncolors" -ge 8 ]; then
		color_reset="\033[0m"
		color_red="\033[31m"
		color_green="\033[32m"

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