git-check-attr: Introduce a new variable

Avoid reusing variable "doubledash" to mean something other than the
expected "position of a double-dash, if any".

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/check-attr.c b/builtin/check-attr.c
index 384c5a6171c0e8ff0c705b5dda299e068477ab3a..c5270786d476271ca7cd25a27a9eeffc99aa3dad 100644 (file)
--- a/builtin/check-attr.c
+++ b/builtin/check-attr.c
@@ -71,7 +71,7 @@ static void check_attr_stdin_paths(int cnt, struct git_attr_check *check)
 int cmd_check_attr(int argc, const char **argv, const char *prefix)
 {
        struct git_attr_check *check;
-       int cnt, i, doubledash;
+       int cnt, i, doubledash, filei;
        const char *errstr = NULL;
 
        argc = parse_options(argc, argv, prefix, check_attr_options,
@@ -92,14 +92,15 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix)
        /* If there is no double dash, we handle only one attribute */
        if (doubledash < 0) {
                cnt = 1;
-               doubledash = 0;
-       } else
+               filei = 1;
+       } else {
                cnt = doubledash;
-       doubledash++;
+               filei = doubledash + 1;
+       }
 
        if (cnt <= 0)
                errstr = "No attribute specified";
-       else if (stdin_paths && doubledash < argc)
+       else if (stdin_paths && filei < argc)
                errstr = "Can't specify files with --stdin";
        if (errstr) {
                error("%s", errstr);
@@ -120,7 +121,7 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix)
        if (stdin_paths)
                check_attr_stdin_paths(cnt, check);
        else {
-               for (i = doubledash; i < argc; i++)
+               for (i = filei; i < argc; i++)
                        check_attr(cnt, check, argv[i]);
                maybe_flush_or_die(stdout, "attribute to stdout");
        }