1 files changed, 22 insertions, 0 deletions
diff --git a/zap/source/amd64/mem/memcnt.c b/zap/source/amd64/mem/memcnt.c
new file mode 100644
index 0000000..c22abca
--- /dev/null
+++ b/zap/source/amd64/mem/memcnt.c
@@ -0,0 +1,22 @@
+/*
+ Copyright 2022 Gabriel Jensen.
+ This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+ If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+*/
+
+#include <zap/priv.h>
+
+#include <zap/mem.h>
+
+zap_sz zap_memcnt(void const * const _ptr,zap_sz const _sz,zap_sz const _num,zap_bool (* const _fn)(void const *)) {
+ unsigned char const * addr = _ptr;
+ zap_sz const numbyte = _num * _sz;
+ unsigned char const * const afterbuf = addr + numbyte;
+ zap_sz num = 0x0u;
+ for (;addr != afterbuf;addr += _sz) {
+ if (_fn(addr)) {
+ ++num;
+ }
+ }
+ return num;
+}