From: Vladimír Čunát <vladimir.cunat@nic.cz>
Date: Tue, 25 Nov 2025 13:55:47 +0000 (+0100)
Subject: lib/cache/top: fix a minor `const` nit
X-Git-Tag: v6.0.17~2^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac2728c55fb164461dc53679c1e5c8b148dddc25;p=thirdparty%2Fknot-resolver.git

lib/cache/top: fix a minor `const` nit
---

diff --git a/lib/cache/api.c b/lib/cache/api.c
index 003b73513..fa43d14a3 100644
--- a/lib/cache/api.c
+++ b/lib/cache/api.c
@@ -161,13 +161,13 @@ int kr_cache_open(struct kr_cache *cache, const struct kr_cdb_api *api, struct k
 	cache->ttl_max = KR_CACHE_DEFAULT_TTL_MAX;
 	kr_cache_make_checkpoint(cache);
 
-	char *top_path = kr_absolutize_path(opts->path, "top");
+	const char *top_path = kr_absolutize_path(opts->path, "top");
 	if (kr_fails_assert(top_path)) {
 		ret = kr_error(errno);
 	}
 	if (ret == 0) {
 		ret = kr_cache_top_init(&cache->top, top_path, orig_maxsize);
-		free(top_path);
+		free_const(top_path);
 	}
 	if (ret != 0) {
 		cache->api->close(cache->db, &cache->stats);
diff --git a/lib/cache/top.c b/lib/cache/top.c
index 5ff784202..8adc1865e 100644
--- a/lib/cache/top.c
+++ b/lib/cache/top.c
@@ -100,7 +100,7 @@ size_t kr_cache_top_get_size(size_t cache_size)
 	return top_size;
 }
 
-int kr_cache_top_init(struct kr_cache_top *top, char *mmap_file, size_t cache_size)
+int kr_cache_top_init(struct kr_cache_top *top, const char *mmap_file, size_t cache_size)
 {
 	size_t size = 0, capacity_log = 0;
 	if (cache_size > 0) {
diff --git a/lib/cache/top.h b/lib/cache/top.h
index cb1353fcf..aee505690 100644
--- a/lib/cache/top.h
+++ b/lib/cache/top.h
@@ -63,7 +63,7 @@ size_t kr_cache_top_get_size(size_t cache_size);
 /// If cache_size differs from the previously used value, the data are cleared,
 /// otherwise they are persistent across restarts.
 KR_EXPORT
-int kr_cache_top_init(struct kr_cache_top *top, char *mmap_file, size_t cache_size);
+int kr_cache_top_init(struct kr_cache_top *top, const char *mmap_file, size_t cache_size);
 
 /// Deinitialize shared memory, keeping the data stored in file.
 KR_EXPORT