aboutsummaryrefslogtreecommitdiff
path: root/src/kernel/lib/memory.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/kernel/lib/memory.c')
-rw-r--r--src/kernel/lib/memory.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/kernel/lib/memory.c b/src/kernel/lib/memory.c
new file mode 100644
index 0000000..e306ada
--- /dev/null
+++ b/src/kernel/lib/memory.c
@@ -0,0 +1,26 @@
+#include "../graphics/graphics.h"
+
+void *memory_copy(void *dest, const void *src, size_t count) {
+ const char *sp = (const char *) src;
+ char *dp = (char *) dest;
+ for (; count != 0; count--) *dp++ = *sp++;
+ return dest;
+}
+
+void *memory_set(void *dest, char val, size_t count) {
+ char *temp = (char *) dest;
+ for (; count != 0; count--) *temp++ = val;
+ return dest;
+}
+
+int memory_compare(const void *a_ptr, const void *b_ptr, size_t size) {
+ const unsigned char *a = (const unsigned char *) a_ptr;
+ const unsigned char *b = (const unsigned char *) b_ptr;
+ for (size_t i = 0; i < size; i++) {
+ if (a[i] < b[i])
+ return -1;
+ else if (b[i] < a[i])
+ return 1;
+ }
+ return 0;
+} \ No newline at end of file