attr: tighten const correctness with git_attr and match_attr

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/attr.c b/attr.c
index 8f4402ef33..69643ae77d 100644
--- a/attr.c
+++ b/attr.c
@@ -220,7 +220,7 @@ static void report_invalid_attr(const char *name, size_t len,
  * dictionary.  If no entry is found, create a new attribute and store it in
  * the dictionary.
  */
-static struct git_attr *git_attr_internal(const char *name, int namelen)
+static const struct git_attr *git_attr_internal(const char *name, int namelen)
 {
 	struct git_attr *a;
 
@@ -244,14 +244,14 @@ static struct git_attr *git_attr_internal(const char *name, int namelen)
 	return a;
 }
 
-struct git_attr *git_attr(const char *name)
+const struct git_attr *git_attr(const char *name)
 {
 	return git_attr_internal(name, strlen(name));
 }
 
 /* What does a matched pattern decide? */
 struct attr_state {
-	struct git_attr *attr;
+	const struct git_attr *attr;
 	const char *setto;
 };
 
@@ -278,7 +278,7 @@ struct pattern {
 struct match_attr {
 	union {
 		struct pattern pat;
-		struct git_attr *attr;
+		const struct git_attr *attr;
 	} u;
 	char is_macro;
 	unsigned num_attr;
@@ -898,7 +898,7 @@ static int fill_one(const char *what, struct all_attrs_item *all_attrs,
 	int i;
 
 	for (i = a->num_attr - 1; rem > 0 && i >= 0; i--) {
-		struct git_attr *attr = a->state[i].attr;
+		const struct git_attr *attr = a->state[i].attr;
 		const char **n = &(all_attrs[attr->attr_nr].value);
 		const char *v = a->state[i].setto;
 
@@ -922,7 +922,7 @@ static int fill(const char *path, int pathlen, int basename_offset,
 	const char *base = stk->origin ? stk->origin : "";
 
 	for (i = stk->num_matches - 1; 0 < rem && 0 <= i; i--) {
-		struct match_attr *a = stk->attrs[i];
+		const struct match_attr *a = stk->attrs[i];
 		if (a->is_macro)
 			continue;
 		if (path_matches(path, pathlen, basename_offset,