On 02/29/2016 08:01 PM, Junio C Hamano wrote:
> Moritz Neeb <li...@moritzneeb.de> writes:
>
>> Because sq_quote_argv adds a leading space (which is expected in trace.c),
>> sq_dequote_step should remove this space again, such that the operations
>> of quoting and dequoting are inverse of each other.
>>
>> This patch is preparing the way to remove some excessive trimming
>> operation in bisect in the following commit.
>>
>> Signed-off-by: Moritz Neeb <li...@moritzneeb.de>
>> ---
>> quote.c | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/quote.c b/quote.c
>> index fe884d2..2714f27 100644
>> --- a/quote.c
>> +++ b/quote.c
>> @@ -63,6 +63,8 @@ static char *sq_dequote_step(char *arg, char **next)
>> char *src = arg;
>> char c;
>>
>> + if (*src == ' ')
>> + src++;
>> if (*src != '\'')
>> return NULL;
>> for (;;) {
>
> If we look at this "for (;;)" loop, we notice that (1) it accepts as
> many spaces as there are between two quoted strings, and (2) it does
> not limit it to SP but uses isspace().
>
> I wonder if you would instead want
>
> while (isspace(*src))
> src++;
>
> to be consistent?
>
My intention was to explicitly remove the space added by
strbuf_addch(dst, ' ') in sq_quote_argv().
I think it would not make sense to remove more spaces, because for
for sq_dequote() it is defined:
This unwraps what sq_quote() produces in place, but returns
NULL if the input does not look like what sq_quote would have
produced.
I understand that this counts also for the sq_dequote_array*() family.
Thanks
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