[libvirt] [PATCH 3/4] virnetdevbandwidthtest: Introduce mocking

[Michal Privoznik]

On 24.01.2014 23:02, Eric Blake wrote:
> On 01/23/2014 06:44 AM, Michal Privoznik wrote:
>> The mocking will be used in later commits to mock all calls to the
>>  virCommandRun(). This is easier to do than cutting off the command
>>  creation and run into two separate pieces.
>> 
>> Signed-off-by: Michal Privoznik <mprivozn at redhat.com> --- 
>> tests/Makefile.am              |   9 ++++ 
>> tests/virnetdevbandwidthmock.c | 106 
>> +++++++++++++++++++++++++++++++++++++++++ 
>> tests/virnetdevbandwidthtest.c |  21 +++++++- 3 files changed, 135 
>> insertions(+), 1 deletion(-) create mode 100644 
>> tests/virnetdevbandwidthmock.c
> 
>> + +    if ((fd = open(outfile, O_WRONLY | O_APPEND | O_CREAT, 
>> S_IRUSR | S_IWUSR)) == -1) { +        STDERR("unable to open file: 
>> %s %d", outfile, errno); +        goto cleanup; +    } + +    if 
>> (safewrite(fd, buf, strlen(buf)) < 0 || +        safewrite(fd, 
>> "\n", 1) < 0) { +        STDERR("unable to write to file: %s %d", 
>> outfile, errno); +        goto cleanup; +    }
> 
> This could be simplified with virFileWriteStr().

Not really. I need to append to the file, while virFileWriteStr() truncate the file prior to writing to it. Always.

> 
>> + +    if (VIR_STRDUP_QUIET(outfile, OUTFILETEMPLATE) < 0) { + 
>> fprintf(stderr, "Out of memory\n"); +        abort(); +    } + + if
>> (!mktemp(outfile)) {
> 
> I'd prefer mkstemp(), for safety.
> 

Uh.. okay.

Michal