Hi
A little embarrassing, but I actually did not know that there was a
better replacement for strncpy.
Sorry, but I will send a new platch based on strlcpy instead then,
snprintf i slow and unnecessary in this case.
Best regards
Rickard Strandqvist
2014-06-05 0:20 GMT+02:00 Andi Kleen <a...@linux.intel.com>:
> On Wed, Jun 04, 2014 at 11:46:18PM +0200, Rickard Strandqvist wrote:
>> Added a guaranteed null-terminate after call to strncpy.
>>
>> This was partly found using a static code analysis program called cppcheck.
>
> Should just stop using strncpy. strncpy semantics don't make any
> sense at all, and it's inefficient. I would just snprintf here
>
> -Andi
>
>>
>> Signed-off-by: Rickard Strandqvist <rickard_strandqv...@spectrumdigital.se>
>> ---
>> tools/perf/util/parse-events.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
>> index 1e15df1..fad2976 100644
>> --- a/tools/perf/util/parse-events.c
>> +++ b/tools/perf/util/parse-events.c
>> @@ -1216,8 +1216,10 @@ static void print_symbol_events(const char
>> *event_glob, unsigned type,
>>
>> if (strlen(syms->alias))
>> snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol,
>> syms->alias);
>> - else
>> + else {
>> strncpy(name, syms->symbol, MAX_NAME_LEN);
>> + name[sizeof(name) - 1] = '\0';
>> + }
>>
>> printf(" %-50s [%s]\n", name, event_type_descriptors[type]);
>>
>> --
>> 1.7.10.4
>>
>
> --
> a...@linux.intel.com -- Speaking for myself only
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