string: move strlen() here

2 files changed, 18 insertions, 0 deletions

diff --git a/kernel/string.c b/kernel/string.c
new file mode 100644
index 0000000..d038c27
--- /dev/null
+++ b/kernel/string.c
@@ -0,0 +1,9 @@
+#include "string.h"
+
+size_t strlen(const char *str)
+{
+	size_t len = 0;
+	while(str[len])
+		len++;
+	return len;
+}
diff --git a/kernel/string.h b/kernel/string.h
new file mode 100644
index 0000000..dc760a5
--- /dev/null
+++ b/kernel/string.h
@@ -0,0 +1,9 @@
+#ifndef KERNEL_STRING
+#define KERNEL_STRING
+
+#include <stddef.h>
+#include <stdint.h>
+
+size_t strlen(const char *str);
+
+#endif /* KERNEL_STRING */