From: Vladimír Čunát <vladimir.cunat@nic.cz>
Date: Thu, 18 Oct 2018 14:07:31 +0000 (+0200)
Subject: mm_free(): accept const void *
X-Git-Tag: v3.2.0~29^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45a81532fd38b554791612e27f12b954eb589be4;p=thirdparty%2Fknot-resolver.git

mm_free(): accept const void *

Sometimes it's useful to express that pointed-to memory is constant,
and free-like functions then just cause extra unreadability.
---

diff --git a/lib/utils.h b/lib/utils.h
index 1e6cb16ff..db6f5317a 100644
--- a/lib/utils.h
+++ b/lib/utils.h
@@ -103,13 +103,13 @@ static inline void *mm_alloc(knot_mm_t *mm, size_t size)
 	if (mm) return mm->alloc(mm->ctx, size);
 	else return malloc(size);
 }
-static inline void mm_free(knot_mm_t *mm, void *what)
+static inline void mm_free(knot_mm_t *mm, const void *what)
 {
 	if (mm) {
 		if (mm->free)
-			mm->free(what);
+			mm->free((void *)what);
 	}
-	else free(what);
+	else free((void *)what);
 }
 static inline void *mm_realloc(knot_mm_t *mm, void *what, size_t size, size_t prev_size)
 {