Wrote strlen() and strcpy()

src/Makefile.am

@@ -1,5 +1,5 @@
 noinst_PROGRAMS = quark-kernel
-quark_kernel_SOURCES = startup.cpp elf.cpp tty.cpp systeminfo.cpp util.cpp memorymap.cpp pageallocator.cpp allocator.cpp scheduler.cpp
+quark_kernel_SOURCES = startup.cpp module.cpp tty.cpp systeminfo.cpp util.cpp memorymap.cpp pageallocator.cpp allocator.cpp scheduler.cpp
 quark_kernel_LDADD = -lgcc
 quark_kernel_CPPFLAGS = -ffreestanding -mgeneral-regs-only -O0 -Wall -fno-exceptions -fno-rtti -ggdb
 quark_kernel_LDFLAGS = -nostdlib

src/module.cpp

@@ -1,4 +1,4 @@
-#include "elf.hpp"
+#include "module.hpp"
 #include "util.hpp"
 
 kernel::ELF::ELF()

src/util.cpp

@@ -75,6 +75,51 @@ void* memset (void* ptr, int value, size_t num)
 	return ptr;
 }
 
+int strlen(const char* str)
+{
+	int i = 0;
+	while(str[i] != '\0')
+	{
+		i++;
+	}
+	return i;
+}
+
+char* strcpy(char* destination, const char* source)
+{
+	int sourceLen = strlen(source);
+	if((destination <= source) || (destination > (source + sourceLen)))
+	{
+		char* d = destination;
+		const char* s = source;
+		while(true)
+		{
+			*d = *s;
+			if(*s == '\0')
+			{
+				break;
+			}
+			else
+			{
+				s++;
+				d++;
+			}
+		}
+	}
+	else
+	{
+		char* d = destination + sourceLen;
+		const char* s = source + sourceLen;
+		do
+		{
+			*d = *s;
+			d--;
+			s--;
+		} while(d > destination);
+	}
+	return destination;
+}
+
 void __cxa_pure_virtual()
 {
     // do nothing

src/util.hpp

@@ -13,4 +13,8 @@ extern "C" int memcmp(const void* ptr1, const void* ptr2, size_t num);
 
 extern "C" void* memset(void* ptr, int value, size_t num);
 
+extern "C" int strlen(const char* str);
+
+extern "C" char* strcpy(char* destination, const char* source);
+
 #endif