Tanay Abhra <tanay...@gmail.com> writes:

> If a callback returns a negative value to `git_config*()` family,
> they call `die()` while printing the line number and the file name.
> Currently the printed line number is off by one, thus printing the
> wrong line number.
>
> Make `linenr` point to the line we just parsed during the call
> to callback to get accurate line number in error messages.
>
> Discovered-by: Tanay Abhra <tanay...@gmail.com>
> Signed-off-by: Matthieu Moy <matthieu....@grenoble-inp.fr>

Thanks.

I am not sure what to read in these two lines.  Was the fix done by
you or Matthieu?

> ---
>  config.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/config.c b/config.c
> index 22971e9..6db8f97 100644
> --- a/config.c
> +++ b/config.c
> @@ -244,6 +244,7 @@ static int get_next_char(void)
>               cf->linenr++;
>       if (c == EOF) {
>               cf->eof = 1;
> +             cf->linenr++;
>               c = '\n';
>       }
>       return c;
> @@ -319,6 +320,7 @@ static int get_value(config_fn_t fn, void *data, struct 
> strbuf *name)
>  {
>       int c;
>       char *value;
> +     int ret;
>  
>       /* Get the full name */
>       for (;;) {
> @@ -341,7 +343,15 @@ static int get_value(config_fn_t fn, void *data, struct 
> strbuf *name)
>               if (!value)
>                       return -1;
>       }
> -     return fn(name->buf, value, data);
> +     /*
> +      * We already consumed the \n, but we need linenr to point to
> +      * the line we just parsed during the call to fn to get
> +      * accurate line number in error messages.
> +      */
> +     cf->linenr--;
> +     ret = fn(name->buf, value, data);
> +     cf->linenr++;
> +     return ret;
>  }
>  
>  static int get_extended_base_var(struct strbuf *name, int c)
--
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