org

kernel/memory/memory.c

@@ -0,0 +1,41 @@
+#include "memory.h"
+
+uint8_t memseq(char *ptr, char *ptr2, uint32_t len) {
+  for (uint32_t i = 0; i < len; i++) {
+    if (ptr[i] != ptr2[i]) {
+      return 0;
+    }
+  }
+  return 1;
+}
+
+uint8_t streq(char *str, char *str2) {
+  for (uint32_t i = 0;; i++) {
+    if (str[i] != str2[i]) {
+      return 0;
+    } else if (str[i] == '\0' && str2[i] == '\0') {
+      return 1;
+    }
+  }
+}
+
+void memset(char *ptr, char data, uint32_t len) {
+  for (uint32_t i = 0; i < len; i++) {
+    ptr[i] = data;
+  }
+}
+
+void memcpy(char *src, char *dst, uint32_t size) {
+  for (uint32_t i = 0; i < size; i++) {
+    dst[i] = src[i];
+  }
+}
+
+void strncpy(char *src, char *dst, uint32_t size) {
+  for (uint32_t i = 0; i < size; i++) {
+    dst[i] = src[i];
+    if (src[i] == '\0') {
+      return;
+    }
+  }
+}

kernel/memory/memory.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <stdint.h>
+
+uint8_t memseq(char *, char *, uint32_t len);
+uint8_t streq(char *, char *);
+void    memset(char *, char, uint32_t);
+void    memcpy(char *, char *, uint32_t);
+void    strncpy(char *, char *, uint32_t);