Re: [PATCH 08/10] Integrate wildmatch to git

> This makes wildmatch.c part of libgit.a and builds test-wildmatch; the
> dependency on libpopt in the original has been replaced with the use
> of our parse-options. Global variables in test-wildmatch are marked
> static to avoid sparse warnings.
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
> Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
> ---
>  .gitignore           |  1 +
>  Makefile             |  3 ++
>  t/t3070-wildmatch.sh | 27 ++++++++++++++++
>  test-wildmatch.c     | 88 ++++++++++++++++++++++------------------------------
>  wildmatch.c          | 26 +++++-----------
>  5 files changed, 75 insertions(+), 70 deletions(-)
>  create mode 100755 t/t3070-wildmatch.sh
>
> diff --git a/test-wildmatch.c b/test-wildmatch.c
> index 88585c2..bb726c8 100644
> --- a/test-wildmatch.c
> +++ b/test-wildmatch.c
> @@ -19,34 +19,38 @@
>
>  /*#define COMPARE_WITH_FNMATCH*/
>
> -#define WILD_TEST_ITERATIONS
> -#include "lib/wildmatch.c"
> +#include "cache.h"
> +#include "parse-options.h"
> +#include "wildmatch.h"
>
> -#include <popt.h>
> +#ifndef MAXPATHLEN
> +#define MAXPATHLEN 1024
> +#endif
> +#ifdef NO_STRLCPY
> +#include "compat/strlcpy.c"
> +#define strlcpy gitstrlcpy
> +#endif
>
>  #ifdef COMPARE_WITH_FNMATCH
>  #include <fnmatch.h>
>
> -int fnmatch_errors = 0;
> +static int fnmatch_errors = 0;
>  #endif
>
> -int wildmatch_errors = 0;
> -char number_separator = ',';
> +static int wildmatch_errors = 0;
>
>  typedef char bool;
>
> -int output_iterations = 0;
> -int explode_mod = 0;
> -int empties_mod = 0;
> -int empty_at_start = 0;
> -int empty_at_end = 0;
> -
> -static struct poptOption long_options[] = {
> -  /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
> -  {"iterations",     'i', POPT_ARG_NONE,   &output_iterations, 0, 0, 0},
> -  {"empties",        'e', POPT_ARG_STRING, 0, 'e', 0, 0},
> -  {"explode",        'x', POPT_ARG_INT,    &explode_mod, 0, 0, 0},
> -  {0,0,0,0, 0, 0, 0}
> +static int explode_mod = 0;