From: Erik Faye-Lund <kusmabite@googlemail.com>
Date: Wed, 11 Mar 2009 01:19:46 GMT
Subject: Re: Removed unnecessary use of global variables.
Message-ID: <55ef48ab-403d-41b8-bf16-203bb0f73fc7@b16g2000yqb.googlegroups.com>
In-Reply-To: <1236730168-7164-1-git-send-email-kusmabite@gmail.com>

Sorry about the whole double-post thing, this whole submitting patches
over email thing is new to me, and I'm making too many mistakes right
now. Hopefully, I'll improve in the future ;)

On Mar 11, 1:09 am, Erik Faye-Lund <kusmab...@gmail.com> wrote:
> git_config() now takes a third data-parameter that is passed back
> to the callback-function. At the time this code was written, that
> parameter did not exist, so a somewhat nasty (but by all means
> correct) use of global variables was introduced. In commit
> ef90d6d4208a5130185b04f06e5f90a5f9959fe3 Johannes Schindelin
> <Johannes.Schinde...@gmx.de> introduced a parameter for similar
> purposes.
>
> I've changed the code to utilize this parameter to pass the
> string. In addition, I've made the function calculate the string
> length on usage instead, to reduce the parameters needed to what
> the callback-interface supplies.
>
> Signed-off-by: Erik Faye-Lund <kusmab...@gmail.com>
> ---
>  connect.c |   16 ++++++----------
>  1 files changed, 6 insertions(+), 10 deletions(-)
>
> diff --git a/connect.c b/connect.c
> index 2f23ab3..98fbaea 100644
> --- a/connect.c
> +++ b/connect.c
> @@ -371,14 +371,13 @@ static void git_tcp_connect(int fd[2], char *host, int flags)
>         fd[1] = dup(sockfd);
>  }
>
> -
>  static char *git_proxy_command;
> -static const char *rhost_name;
> -static int rhost_len;
> -
>  static int git_proxy_command_options(const char *var, const char *value,
> -               void *cb)
> +               void *data)
>  {
> +       const char *rhost_name = data;
> +       const size_t rhost_len = strlen(rhost_name);
> +
>         if (!strcmp(var, "core.gitproxy")) {
>                 const char *for_pos;
>                 int matchlen = -1;
> @@ -421,16 +420,13 @@ static int git_proxy_command_options(const char *var, const char *value,
>                 return 0;
>         }
>
> -       return git_default_config(var, value, cb);
> +       return git_default_config(var, value, data);
>  }
>
>  static int git_use_proxy(const char *host)
>  {
> -       rhost_name = host;
> -       rhost_len = strlen(host);
>         git_proxy_command = getenv("GIT_PROXY_COMMAND");
> -       git_config(git_proxy_command_options, NULL);
> -       rhost_name = NULL;
> +       git_config(git_proxy_command_options, (void*)host);
>         return (git_proxy_command && *git_proxy_command);
>  }
>
> --
> 1.6.2.GIT
>
> --
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