From: David Kastrup <dak@gnu.org>
Date: Thu, 27 Feb 2014 20:33:45 GMT
Subject: Re: [PATCH] Rewrite git-compat-util.h:skip_prefix() as a loop
Message-ID: <87k3cg47o6.fsf@fencepost.gnu.org>
In-Reply-To: <xmqqd2i8z6um.fsf@gitster.dls.corp.google.com>

Junio C Hamano <gitster@pobox.com> writes:

> Sun He <sunheehnus@gmail.com> writes:
>
>> Signed-off-by: Sun He <sunheehnus@gmail.com>
>> ---
>>  git-compat-util.h |    4 ++--
>>  1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/git-compat-util.h b/git-compat-util.h
>> index cbd86c3..4daa6cf 100644
>> --- a/git-compat-util.h
>> +++ b/git-compat-util.h
>> @@ -357,8 +357,8 @@ extern int suffixcmp(const char *str, const char *suffix);
>>  
>>  static inline const char *skip_prefix(const char *str, const char *prefix)
>>  {
>> -	size_t len = strlen(prefix);
>> -	return strncmp(str, prefix, len) ? NULL : str + len;
>> +    while( *prefix != '\0' && *str++ == *prefix++ );
>> +    return *prefix == '\0' ? str : NULL;
>
> Documentation/CodingGuidelines?

Mostly relevant for tabification here, not helping much otherwise.  In
particular, does not contain the advice "empty statements should appear
on a line of their own" which would help with readability here.

-- 
David Kastrup