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perf script: Use strtok_r() when parsing output field list 

Just avoiding non-reentrant functions.

Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/n/tip-eqytykipd74epzl9aexvppcg@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Arnaldo Carvalho de Melo 2017-04-05 11:43:41 -03:00
parent dadafc315d
commit 49346e858f
1 changed files with 2 additions and 2 deletions
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4
tools/perf/builtin-script.c
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@ -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;