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SubjectRe: [PATCH] test-hexdump: test the return value of the hex_dump_to_buffer
On 2015/2/16 17:47, Andy Shevchenko wrote:
> On Sun, 2015-02-15 at 09:50 +0000, Wang Long wrote:
>> As the function hex_dump_to_buffer returns the amount of bytes placed
>> in the buffer without terminating NUL. the test-hexdump should test
>> the return value of it.
>
> I don't think it's needed. When the prototype was changed the new test
> case had been introduced to cover the overflow cases, i.e.
> test_hexdump_overflow().
>

ok, thanks.

>>
>> Signed-off-by: Wang Long <long.wanglong@huawei.com>
>> ---
>> lib/test-hexdump.c | 5 +++--
>> 1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/lib/test-hexdump.c b/lib/test-hexdump.c
>> index daf29a39..9243be7 100644
>> --- a/lib/test-hexdump.c
>> +++ b/lib/test-hexdump.c
>> @@ -52,8 +52,9 @@ static void __init test_hexdump(size_t len, int rowsize, int groupsize,
>> size_t l = len;
>> int gs = groupsize, rs = rowsize;
>> unsigned int i;
>> + int r;
>>
>> - hex_dump_to_buffer(data_b, l, rs, gs, real, sizeof(real), ascii);
>> + r = hex_dump_to_buffer(data_b, l, rs, gs, real, sizeof(real), ascii);
>>
>> if (rs != 16 && rs != 32)
>> rs = 16;
>> @@ -96,7 +97,7 @@ static void __init test_hexdump(size_t len, int rowsize, int groupsize,
>>
>> *p = '\0';
>>
>> - if (strcmp(test, real)) {
>> + if (strcmp(test, real) || r != strlen(real)) {
>> pr_err("Len: %zu row: %d group: %d\n", len, rowsize, groupsize);
>> pr_err("Result: '%s'\n", real);
>> pr_err("Expect: '%s'\n", test);
>
>




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