while IFS= read -r pid ; do
# /proc/pid/cmdline is null separated.
- if full_command_no_argument=$(cut -d '' -f 1 2>/dev/null < /proc/"$pid"/cmdline); then
+ if full_command_no_argument=$(tr '\0' '\n' < /proc/"$pid"/cmdline 2>/dev/null | head -n1); then
command_basename=$(basename "$full_command_no_argument")
if grep -q "$pattern" <<< "$command_basename"; then
echo "$pid"
# $2 = include special characters; 1 = yes, 0 = no; defaults to yes
function randstring()
{
+ local len="${1:-16}"
+
[ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
- cat /dev/urandom 2>/dev/null | tr -cd "$CHAR" 2>/dev/null | head -c ${1:-16} 2>/dev/null
+ # /dev/urandom isn't guaranteed to generate valid multi-byte characters.
+ # Specifying the C locale eliminates the "Illegal byte sequence" error
+ # that 'tr' outputs in such cases.
+ LC_CTYPE=C tr -cd "$CHAR" < /dev/urandom 2>/dev/null | head -c "$len" 2>/dev/null
echo
}
function list_triggers_matches_ok ()
{
- local tmp_stdout=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
- local tmp_stderr=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stderr.XXXXXX")
+ local tmp_stdout=$(mktemp -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
+ local tmp_stderr=$(mktemp -t "tmp.${FUNCNAME[0]}_stderr.XXXXXX")
local test_name="$1"
local expected_stdout_file="$2"
local test_name="$1"
local expected_stdout_file="$2"
- tmp_stdout_raw=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
- tmp_stdout=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
- tmp_stderr=$(mktemp --tmpdir -t "tmp.${FUNCNAME[0]}_stderr.XXXXXX")
+ tmp_stdout_raw=$(mktemp -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
+ tmp_stdout=$(mktemp -t "tmp.${FUNCNAME[0]}_stdout.XXXXXX")
+ tmp_stderr=$(mktemp -t "tmp.${FUNCNAME[0]}_stderr.XXXXXX")
diag "$TESTDIR/../src/bin/lttng/$LTTNG_BIN --mi xml list-triggers"