On Thu, Aug 13, 2015 at 11:58 AM, Elia Pinto <[email protected]> wrote:
> 2015-08-13 17:47 GMT+02:00 Eric Sunshine <[email protected]>:
>> On Thu, Aug 13, 2015 at 11:28 AM, Elia Pinto <[email protected]> wrote:
>>> Teach git about a new option, "http.sslVersion", which permits one to
>>> specify the SSL version to use when negotiating SSL connections. The
>>> setting can be overridden by the GIT_SSL_VERSION environment
>>> variable.
>>>
>>> Signed-off-by: Elia Pinto <[email protected]>
>>> ---
>>> This is the third version of the patch. The changes compared to the
>>> previous version are:
>>
>> Looks better. A few comments below...
>>
>>> diff --git a/contrib/completion/git-completion.bash
>>> b/contrib/completion/git-completion.bash
>>> index c97c648..6e9359c 100644
>>> --- a/contrib/completion/git-completion.bash
>>> +++ b/contrib/completion/git-completion.bash
>>> @@ -364,9 +381,22 @@ static CURL *get_curl_handle(void)
>>> if (http_proactive_auth)
>>> init_curl_http_auth(result);
>>>
>>> + if (getenv("GIT_SSL_VERSION"))
>>> + ssl_version = getenv("GIT_SSL_VERSION");
>>> + if (ssl_version != NULL && *ssl_version) {
>>> + int i;
>>> + for ( i = 0; i < ARRAY_SIZE(sslversions); i++ ) {
>>> + if (sslversions[i].name != NULL &&
>>> *sslversions[i].name && !strcmp(ssl_version,sslversions[i].name)) {
>>
>> This sort of loop is normally either handled by indexing up to a limit
>> (ARRAY_SIZE, in this case) or by iterating until hitting a sentinel
>> (NULL, in this case). It is redundant to use both, as this code does.
> I do not think. sslversions[i].name can be null, see how the structure
> is initialized. No ?
The initialization:
static struct {
const char *name;
long ssl_version;
} sslversions[] = {
{ "sslv2", CURL_SSLVERSION_SSLv2 },
...
{ "tlsv1.2", CURL_SSLVERSION_TLSv1_2 },
{ NULL }
};
terminates the list with a NULL sentinel entry, which does indeed set
sslversions[i].name to NULL. When you know the item count ahead of
time (as you do in this case), this sort of end-of-list sentinel is
redundant, and complicates the code unnecessarily. For instance, the
'sslversions[i].name != NULL' expression in the 'if':
if (sslversions[i].name != NULL && *sslversions[i].name ...
is an unwanted complication. In fact, the '*sslversions[i].name'
expression is also unnecessary.
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