Thanks for the submission. Minor comments below to give you a taste of
what it's like to contribute to this project...

On Sat, Mar 1, 2014 at 5:42 PM, kgeorgiou <> wrote:
> Subject: git-compat-util.h:rewrite skip_prefix() as loop

Space after colon. You might be able to provide more information in
the short summary of the subject. Perhaps something like this:

    Subject: skip_prefix(): avoid scanning 'prefix' twice

> Rewritten git-compat-util.h:skip_prefix() as a loop, so that it doesn't have 
> to
> scan through the prefix string twice as a miniproject for GSoC 2014.

Good description. In this project, use imperative tone:

    Rewrite skip_prefix() as loop...

> (I've just noticed that this miniproject has already been tackled by another
> contributor, if that's a problem I can pick something else.)

That's okay. The purpose of the miniprojects is for you to get a taste
of what it's like to contribute to this project and to understand what
will be expected of you as a GSoC student; and to give the GSoC
mentors a chance to judge your abilities and observe how you interact
with reviewers.

> Looking forward to any kind of feedback.
> - Kyriakos Georgiou

There are two types of information you want to convey to readers. (1)
Patch description, explanation, justification before the "---" line
which is recorded in the permanent project history. (2) Commentary
below the "---" line for readers of the patch but not of interest once
the patch is accepted officially. The "as a miniproject for GSoC" and
all lines following it are just commentary which should go below the
"---" line.

> Signed-off-by: kgeorgiou <>

This project prefers real names, so:

    Signed-off-by: Kyriakos Georgiou <...>

> ---
>  git-compat-util.h | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> diff --git a/git-compat-util.h b/git-compat-util.h
> index 614a5e9..713f37a 100644
> --- a/git-compat-util.h
> +++ b/git-compat-util.h
> @@ -357,8 +357,11 @@ 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 && *str == *prefix) {

Style nit: space after 'while'.

> +               str++;
> +               prefix++;
> +       }
> +       return *prefix ? NULL : str;
>  }
>  #if defined(NO_MMAP) || defined(USE_WIN32_MMAP)
> --
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