M src/platform/posix/memory.c → src/platform/posix/memory.c

@@ -5,6 +5,17 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <mgba-util/memory.h>
 
+#ifndef DISABLE_ANON_MMAP
+#ifdef __SANITIZE_ADDRESS__
+#define DISABLE_ANON_MMAP
+#elif defined(__has_feature)
+#if __has_feature(address_sanitizer)
+#define DISABLE_ANON_MMAP
+#endif
+#endif
+#endif
+
+#ifndef DISABLE_ANON_MMAP
 #include <sys/mman.h>
 
 void* anonymousMemoryMap(size_t size) {
@@ -14,3 +25,13 @@
 void mappedMemoryFree(void* memory, size_t size) {
 	munmap(memory, size);
 }
+#else
+void* anonymousMemoryMap(size_t size) {
+	return calloc(1, size);
+}
+
+void mappedMemoryFree(void* memory, size_t size) {
+	UNUSED(size);
+	free(memory);
+}
+#endif