diff-parseopt: convert --inter-hunk-context

diff --git a/diff.c b/diff.c
index 6029f8de2d42a9fa9df45faeeddec0a191523dd1..8b65b03c0dfdd36e57d1ad9ed90724512bd64393 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -4573,50 +4573,6 @@ void diff_setup_done(struct diff_options *options)
        FREE_AND_NULL(options->parseopts);
 }
 
-static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *val)
-{
-       char c, *eq;
-       int len;
-
-       if (*arg != '-')
-               return 0;
-       c = *++arg;
-       if (!c)
-               return 0;
-       if (c == arg_short) {
-               c = *++arg;
-               if (!c)
-                       return 1;
-               if (val && isdigit(c)) {
-                       char *end;
-                       int n = strtoul(arg, &end, 10);
-                       if (*end)
-                               return 0;
-                       *val = n;
-                       return 1;
-               }
-               return 0;
-       }
-       if (c != '-')
-               return 0;
-       arg++;
-       eq = strchrnul(arg, '=');
-       len = eq - arg;
-       if (!len || strncmp(arg, arg_long, len))
-               return 0;
-       if (*eq) {
-               int n;
-               char *end;
-               if (!isdigit(*++eq))
-                       return 0;
-               n = strtoul(eq, &end, 10);
-               if (*end)
-                       return 0;
-               *val = n;
-       }
-       return 1;
-}
-
 int parse_long_opt(const char *opt, const char **argv,
                   const char **optarg)
 {
@@ -5291,6 +5247,9 @@ static void prep_parse_options(struct diff_options *options)
                OPT_CALLBACK_F(0, "no-prefix", options, NULL,
                               N_("do not show any source or destination prefix"),
                               PARSE_OPT_NONEG | PARSE_OPT_NOARG, diff_opt_no_prefix),
+               OPT_INTEGER_F(0, "inter-hunk-context", &options->interhunkcontext,
+                             N_("show context between diff hunks up to the specified number of lines"),
+                             PARSE_OPT_NONEG),
                OPT_CALLBACK_F(0, "output-indicator-new",
                               &options->output_indicators[OUTPUT_INDICATOR_NEW],
                               N_("<char>"),
@@ -5483,9 +5442,6 @@ int diff_opt_parse(struct diff_options *options,
        }
 
        /* misc options */
-       else if (opt_arg(arg, '\0', "inter-hunk-context",
-                        &options->interhunkcontext))
-               ;
        else
                return 0;
        return 1;