[PATCH 7/8] diff.h: extend "flags" field to 64 bits because we're out of bits

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I renamed both "flags" and "touched_flags" fields while making this
patch to make sure I was aware of how these flags were manipulated
(besides DIFF_OPT* macros). So hopefully I didn't miss anything.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 Resend to the right recipients. I screwed send-email up..

 builtin/commit.c | 2 +-
 diff-lib.c       | 4 ++--
 diff.c           | 2 +-
 diff.h           | 8 +++++---
 4 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/builtin/commit.c b/builtin/commit.c
index 4cbd5ff..95f7296 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -895,7 +895,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 			 * submodules which were manually staged, which would
 			 * be really confusing.
 			 */
-			int diff_flags = DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG;
+			diff_flags_t diff_flags = DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG;
 			if (ignore_submodule_arg &&
 			    !strcmp(ignore_submodule_arg, "all"))
 				diff_flags |= DIFF_OPT_IGNORE_SUBMODULES;
diff --git a/diff-lib.c b/diff-lib.c
index 241a843..ae09034 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -71,7 +71,7 @@ static int match_stat_with_submodule(struct diff_options *diffopt,
 {
 	int changed = ce_match_stat(ce, st, ce_option);
 	if (S_ISGITLINK(ce->ce_mode)) {
-		unsigned orig_flags = diffopt->flags;
+		diff_flags_t orig_flags = diffopt->flags;
 		if (!DIFF_OPT_TST(diffopt, OVERRIDE_SUBMODULE_CONFIG))
 			set_diffopt_flags_from_submodule_config(diffopt, ce->name);
 		if (DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES))
@@ -516,7 +516,7 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt)
 	return 0;
 }
 
-int index_differs_from(const char *def, int diff_flags)
+int index_differs_from(const char *def, diff_flags_t diff_flags)
 {
 	struct rev_info rev;
 	struct setup_revision_opt opt;
diff --git a/diff.c b/diff.c
index 7deac90..2485870 100644
--- a/diff.c
+++ b/diff.c
@@ -4912,7 +4912,7 @@ int diff_can_quit_early(struct diff_options *opt)
 static int is_submodule_ignored(const char *path, struct diff_options *options)
 {
 	int ignored = 0;
-	unsigned orig_flags = options->flags;
+	diff_flags_t orig_flags = options->flags;
 	if (!DIFF_OPT_TST(options, OVERRIDE_SUBMODULE_CONFIG))
 		set_diffopt_flags_from_submodule_config(options, path);
 	if (DIFF_OPT_TST(options, IGNORE_SUBMODULES))
diff --git a/diff.h b/diff.h
index f7208ad..4241aa5 100644
--- a/diff.h
+++ b/diff.h
@@ -110,13 +110,15 @@ enum diff_words_type {
 	DIFF_WORDS_COLOR
 };
 
+typedef uint64_t diff_flags_t;
+
 struct diff_options {
 	const char *orderfile;
 	const char *pickaxe;
 	const char *single_follow;
 	const char *a_prefix, *b_prefix;
-	unsigned flags;
-	unsigned touched_flags;
+	diff_flags_t flags;
+	diff_flags_t touched_flags;
 
 	/* diff-filter bits */
 	unsigned int filter;
@@ -347,7 +349,7 @@ extern int diff_result_code(struct diff_options *, int);
 
 extern void diff_no_index(struct rev_info *, int, const char **, const char *);
 
-extern int index_differs_from(const char *def, int diff_flags);
+extern int index_differs_from(const char *def, diff_flags_t diff_flags);
 
 extern size_t fill_textconv(struct userdiff_driver *driver,
 			    struct diff_filespec *df,
-- 
2.3.0.rc1.137.g477eb31

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