From 49346e858f34eda103d7c0e85c06edbaebfc83a9 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 5 Apr 2017 11:43:41 -0300 Subject: [PATCH] perf script: Use strtok_r() when parsing output field list Just avoiding non-reentrant functions. Cc: David Ahern Link: http://lkml.kernel.org/n/tip-eqytykipd74epzl9aexvppcg@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-script.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 46acc8ece41f..2dab70fba2ba 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1708,7 +1708,7 @@ static int parse_scriptname(const struct option *opt __maybe_unused, static int parse_output_fields(const struct option *opt __maybe_unused, const char *arg, int unset __maybe_unused) { - char *tok; + char *tok, *strtok_saveptr = NULL; int i, imax = ARRAY_SIZE(all_output_options); int j; int rc = 0; @@ -1769,7 +1769,7 @@ static int parse_output_fields(const struct option *opt __maybe_unused, } } - for (tok = strtok(tok, ","); tok; tok = strtok(NULL, ",")) { + for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { for (i = 0; i < imax; ++i) { if (strcmp(tok, all_output_options[i].str) == 0) break; -- 2.20.1