Merged in MHR-23 (pull request #13)

MHR-23

19 files changed, 215 insertions, 111 deletions

diff --git a/SDK/Library/CoreSystem/Headers/Alert.h b/SDK/Library/CoreSystem/Headers/Alert.h
index 57c9afeb..7decd4ca 100644
--- a/SDK/Library/CoreSystem/Headers/Alert.h
+++ b/SDK/Library/CoreSystem/Headers/Alert.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -18,4 +18,8 @@
 
 #include <Headers/Defines.h>
 
-CA_EXTERN_C VoidType Alert(const CharacterTypeUTF8* fmt, ...);
+/// @brief Shows an alert box, as provided by the OS.
+/// @param fmt The alert formating.
+/// @param
+/// @return
+CS_EXTERN_C VoidType UiAlert(const CharacterTypeUTF8* fmt, ...);
diff --git a/SDK/Library/CoreSystem/Headers/Defines.h b/SDK/Library/CoreSystem/Headers/Defines.h
index 600e9ab6..a7e46234 100644
--- a/SDK/Library/CoreSystem/Headers/Defines.h
+++ b/SDK/Library/CoreSystem/Headers/Defines.h
@@ -1,49 +1,49 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
 #pragma once
 
-#ifdef CA_MUST_PASS
-#undef CA_MUST_PASS
+#ifdef CS_MUST_PASS
+#undef CS_MUST_PASS
 #endif
 
 #ifdef _DEBUG
-#define CA_MUST_PASS(e)                                                                                             \
+#define CS_MUST_PASS(e)                                                                                             \
 	{                                                                                                               \
 		if (!e)                                                                                                     \
 		{                                                                                                           \
-			Alert("Sorry, an assertion failed.\nFile: %s\nLine: %i", __FILE__, __LINE__) RtAssertTriggerInterrupt() \
+			UiAlert("Assertion failed.\nExpression :%s\nFile: %s\nLine: %i", #e, __FILE__, __LINE__) RtAssertTriggerInterrupt() \
 		}                                                                                                           \
 	}
 #else
-#define CA_MUST_PASS(e) CA_UNREFERENCED_PARAMETER(e)
+#define CS_MUST_PASS(e) CS_UNREFERENCED_PARAMETER(e)
 #endif
 
 #ifdef __cplusplus
 
-#define CA_EXTERN_C extern "C"
+#define CS_EXTERN_C extern "C"
 
 #else
 
-#define CA_EXTERN_C extern
+#define CS_EXTERN_C extern
 
 #endif
 
 struct ApplicationInterface;
 struct GUID;
 
-CA_EXTERN_C void RtAssertTriggerInterrupt(void);
+CS_EXTERN_C void RtAssertTriggerInterrupt(void);
 
-#define CA_STDCALL __attribute__((stdcall))
-#define CA_CDECL   __attribute__((cdecl))
-#define CA_MSCALL  __attribute__((ms_abi))
+#define CS_STDCALL __attribute__((stdcall))
+#define CS_CDECL   __attribute__((cdecl))
+#define CS_MSCALL  __attribute__((ms_abi))
 
 #define PACKED __attribute__((packed))
 
-#define CA_PASCAL CA_STDCALL
+#define CS_PASCAL CS_STDCALL
 
 #include <Headers/Hint.h>
 
@@ -79,20 +79,20 @@ typedef CharacterTypeUTF8 BooleanType;
 #define Yes 1
 #define No	0
 
-#define CA_PTR *
+#define CS_PTR *
 
-#define CA_UNREFERENCED_PARAMETER(e) ((VoidType)(e))
+#define CS_UNREFERENCED_PARAMETER(e) ((VoidType)(e))
 
 #ifdef __x86_64__
 
-#define CA_FAR	__far
-#define CA_NEAR __near
+#define CS_FAR	__far
+#define CS_NEAR __near
 
 #define _M_AMD64 2
 #else
 
-#define CA_FAR
-#define CA_NEAR
+#define CS_FAR
+#define CS_NEAR
 
 #endif
 
@@ -112,14 +112,14 @@ typedef CharacterTypeUTF8 BooleanType;
 #define _M_RISCV 6
 #endif
 
-#define CA_STATIC static
-#define CA_INLINE inline
-#define CA_CONST  const
+#define CS_STATIC static
+#define CS_INLINE inline
+#define CS_CONST  const
 
 #ifdef __cplusplus
-#define CA_CONSTEXPR constexpr
+#define CS_CONSTEXPR constexpr
 #else
-#define CA_CONSTEXPR
+#define CS_CONSTEXPR
 #endif // __cplusplus
 
 enum RtProcessCall
@@ -144,6 +144,11 @@ enum RtProcessCall
 	kCallRandomNumberGenerator,
 	kCallGetArgsCount,
 	kCallGetArgsPtr,
+	kCallFileExists,
+	kCallDirectoryExists,
+	kCallSymlinkExists,
+	kCallDeviceExists,
+	kCallDriveExists,
 	/// @brief Number of process calls.
 	kCallsCount,
 };
@@ -171,19 +176,19 @@ typedef struct ApplicationInterface
 
 #ifdef __cplusplus
 
-#define CA_COPY_DELETE(KLASS)                \
+#define CS_COPY_DELETE(KLASS)                \
 	KLASS& operator=(const KLASS&) = delete; \
 	KLASS(const KLASS&)			   = delete;
 
-#define CA_COPY_DEFAULT(KLASS)                \
+#define CS_COPY_DEFAULT(KLASS)                \
 	KLASS& operator=(const KLASS&) = default; \
 	KLASS(const KLASS&)			   = default;
 
-#define CA_MOVE_DELETE(KLASS)           \
+#define CS_MOVE_DELETE(KLASS)           \
 	KLASS& operator=(KLASS&&) = delete; \
 	KLASS(KLASS&&)			  = delete;
 
-#define CA_MOVE_DEFAULT(KLASS)           \
+#define CS_MOVE_DEFAULT(KLASS)           \
 	KLASS& operator=(KLASS&&) = default; \
 	KLASS(KLASS&&)			  = default;
 
@@ -201,19 +206,19 @@ using StrType = CharacterTypeUTF8[N];
 /// @brief Get app singleton.
 /// @param
 /// @return
-CA_EXTERN_C ApplicationInterfaceRef RtGetAppPointer(VoidType);
+CS_EXTERN_C ApplicationInterfaceRef RtGetAppPointer(VoidType);
 
 /// @brief Get argument count
 /// @param
 /// @return
-CA_EXTERN_C SizeType RtGetAppArgumentsCount(VoidType);
+CS_EXTERN_C SizeType RtGetAppArgumentsCount(VoidType);
 
 /// @brief Get argument pointer.
 /// @param
 /// @return
-CA_EXTERN_C CharacterTypeUTF8** RtGetAppArgumentsPtr(VoidType);
+CS_EXTERN_C CharacterTypeUTF8** RtGetAppArgumentsPtr(VoidType);
 
-CA_EXTERN_C ApplicationInterfaceRef kSharedApplication;
+CS_EXTERN_C ApplicationInterfaceRef kSharedApplication;
 
 typedef CharacterTypeUTF8 StrType255[255];
 
diff --git a/SDK/Library/CoreSystem/Headers/File.h b/SDK/Library/CoreSystem/Headers/File.h
index 09cd0b88..594b4edb 100644
--- a/SDK/Library/CoreSystem/Headers/File.h
+++ b/SDK/Library/CoreSystem/Headers/File.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -8,6 +8,8 @@
 
 #include <Headers/Defines.h>
 
+struct _Fork;
+
 /// @brief Filesystem wrapper.
 
 typedef QWordType FSRef;
@@ -16,37 +18,35 @@ typedef QWordType FSRef;
 /// @param path where to find it.
 /// @param rest the restrict (rw, rwe, r+, w+, r, w)
 /// @return FSRef the file.
-CA_EXTERN_C FSRef FsOpenFile(const CharacterTypeUTF8* path, const CharacterTypeUTF8* r);
+CS_EXTERN_C FSRef CSOpenFile(const CharacterTypeUTF8* path, const CharacterTypeUTF8* r);
 
 /// @brief Closes the file and flushes it to the said file.
-/// @param refFs the filesystem reference.
+/// @param refCS the filesystem reference.
 /// @return
-CA_EXTERN_C VoidType FsCloseFile(FSRef refFs);
+CS_EXTERN_C VoidType CSCloseFile(FSRef refCS);
 
-#define kMaxForkNameLength 256 /* long fork names. */
+#define kMaxForkNameLength (256U) /* long fork names. */
 
 /// @brief A fork information header.
 typedef struct _Fork
 {
-	PtrVoidType		  forkData;
-	SizeType		  forkSize;
 	Int32Type		  forkFlags;
 	Int32Type		  forkKind;
 	CharacterTypeUTF8 forkName[kMaxForkNameLength];
-} ForkType;
+	SizeType		  forkSize;
+	CharacterTypeUTF8 forkData[];
+} ForkType, ForkTypePtr;
 
 typedef ForkType* FSForkRef;
 
 /// @brief Gets the fork inside a file.
-/// @param refFs the filesystem ref
+/// @param refCS the filesystem ref
 /// @param forkName the fork's name
 /// @return the fork data.
-CA_EXTERN_C FSForkRef FsGetFork(FSRef refFs, const CharacterTypeUTF8* forkName);
+CS_EXTERN_C FSForkRef CSGetFork(FSRef refCS, const CharacterTypeUTF8* forkName);
 
 /// @brief Check if the filesystem path is valid.
 /// @return if not return false, or true.
-CA_EXTERN_C BooleanType FsIsValidPath(const CharacterTypeUTF8* path);
+CS_EXTERN_C BooleanType CSIsValidPath(const CharacterTypeUTF8* path);
 
-/// @note not only limited to, there is code forks, icon forks...
-#define FsGetDataFork(refFs) FsGetFork(refFs, "data")
-#define FsGetRsrcFork(refFs) FsGetFork(refFs, "rsrc")
+/// END OF FILE
diff --git a/SDK/Library/CoreSystem/Headers/Heap.h b/SDK/Library/CoreSystem/Headers/Heap.h
index 0a02bb1a..b2ad6e74 100644
--- a/SDK/Library/CoreSystem/Headers/Heap.h
+++ b/SDK/Library/CoreSystem/Headers/Heap.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -8,9 +8,9 @@
 
 #include <Headers/Defines.h>
 
-#define kAllocationTypes 2
+#define cAllocationKindCount (2U)
 
-enum RtAllocationKind
+enum CsAllocationKind
 {
 	kStandardAllocation = 0xC,
 	kArrayAllocation	= 0xD,
@@ -20,20 +20,20 @@ enum RtAllocationKind
 /// @param sz the size
 /// @param flags the allocation flags.
 /// @return
-CA_EXTERN_C PtrVoidType RtHeapAllocate(QWordType sz,
-									  DWordType flags);
+CS_EXTERN_C PtrVoidType CSAllocateHeap(QWordType sz,
+									   DWordType flags);
 
 /// @brief Check if the pointer exists.
 /// @param ptr the pointer to free.
 /// @return
-CA_EXTERN_C BooleanType RtHeapPtrExists(PtrVoidType ptr);
+CS_EXTERN_C BooleanType CSIsHeapValid(PtrVoidType ptr);
 
 /// @brief Gets the size of the process' pointer.
 /// @param ptr the pointer to free.
 /// @return
-CA_EXTERN_C QWordType RtHeapGetSize(PtrVoidType ptr);
+CS_EXTERN_C QWordType CSGetHeapSize(PtrVoidType ptr);
 
 /// @brief Frees the process pointer.
 /// @param ptr the pointer to free.
 /// @return
-CA_EXTERN_C VoidType RtHeapFree(PtrVoidType ptr);
+CS_EXTERN_C VoidType CSFreeHeap(PtrVoidType ptr);
diff --git a/SDK/Library/CoreSystem/Headers/Hint.h b/SDK/Library/CoreSystem/Headers/Hint.h
index d775f52d..ee14711d 100644
--- a/SDK/Library/CoreSystem/Headers/Hint.h
+++ b/SDK/Library/CoreSystem/Headers/Hint.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
diff --git a/SDK/Library/CoreSystem/Headers/Intl.h b/SDK/Library/CoreSystem/Headers/Intl.h
index 5e4ef49e..b868adca 100644
--- a/SDK/Library/CoreSystem/Headers/Intl.h
+++ b/SDK/Library/CoreSystem/Headers/Intl.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -12,13 +12,18 @@
 
 typedef UInt64Type IntlRef;
 
-/// @brief locale getter and setters.
-
+/// @brief Get app locale.
+/// @param name locale name.
+/// @return 
 IntlRef		IntlGetLocale(const char* name);
+
+/// @brief Set app locale.
+/// @param intl the locale
+/// @return 
 BooleanType IntlSetLocale(const IntlRef intl);
 
 /// @brief locale helpers.
 
 /// @brief translate a string from a locale.
 const CharacterTypeUTF8* Intl(const CharacterTypeUTF8* input,
-									   const IntlRef			locale);
+							  const IntlRef			   locale);
diff --git a/SDK/Library/CoreSystem/Headers/Math.h b/SDK/Library/CoreSystem/Headers/Math.h
index 87c792eb..0a13e86f 100644
--- a/SDK/Library/CoreSystem/Headers/Math.h
+++ b/SDK/Library/CoreSystem/Headers/Math.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -14,14 +14,14 @@
 
 /// @brief Number generator helper.
 /// @return Random generated number.
-CA_EXTERN_C SizeType MathRand(VoidType);
+CS_EXTERN_C SizeType MathRand(VoidType);
 
 ///////////////////////////////////////////////////////////////////////
 /// Mathematical functions                                          ///
 ///////////////////////////////////////////////////////////////////////
 
-CA_EXTERN_C FloatType Sqrt(FloatType number);
+CS_EXTERN_C FloatType Sqrt(FloatType number);
 
-CA_EXTERN_C FloatType Cosine(FloatType number);
-CA_EXTERN_C FloatType Sine(FloatType number);
-CA_EXTERN_C FloatType Tangent(FloatType number);
\ No newline at end of file
+CS_EXTERN_C FloatType Cosine(FloatType number);
+CS_EXTERN_C FloatType Sine(FloatType number);
+CS_EXTERN_C FloatType Tangent(FloatType number);
\ No newline at end of file
diff --git a/SDK/Library/CoreSystem/Headers/Rsrc.h b/SDK/Library/CoreSystem/Headers/Rsrc.h
index 7d76f50d..7fe52910 100644
--- a/SDK/Library/CoreSystem/Headers/Rsrc.h
+++ b/SDK/Library/CoreSystem/Headers/Rsrc.h
@@ -1,9 +1,12 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
 #pragma once
 
 #include <Headers/Defines.h>
+
+/// @file Rsrc.h
+/// @brief RXML forks.
\ No newline at end of file
diff --git a/SDK/Library/CoreSystem/Headers/Thread.h b/SDK/Library/CoreSystem/Headers/Thread.h
index f0360b63..15b40df3 100644
--- a/SDK/Library/CoreSystem/Headers/Thread.h
+++ b/SDK/Library/CoreSystem/Headers/Thread.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -19,7 +19,7 @@
 typedef QWordType ThreadRef;
 
 /// @brief Main application thread.
-CA_EXTERN_C ThreadRef kMainThread;
+CS_EXTERN_C ThreadRef kMainThread;
 
 typedef VoidType (*ThreadEntrypointKind)(VoidType);
 
@@ -27,21 +27,21 @@ typedef VoidType (*ThreadEntrypointKind)(VoidType);
 /// @param threadName the thread's name.
 /// @param threadStart where to start.
 /// @return
-CA_EXTERN_C ThreadRef CTCreate(const CharacterTypeUTF8* threadName, ThreadEntrypointKind threadStart);
+CS_EXTERN_C ThreadRef CSThreadCreate(const CharacterTypeUTF8* threadName, ThreadEntrypointKind threadStart);
 
 /// @brief Dispoes the thread, and exits with code kThreadErrorExit
 /// @param ref the thread reference.
 /// @return  nothing.
-CA_EXTERN_C VoidType CTRelease(ThreadRef ref);
+CS_EXTERN_C VoidType CSThreadRelease(ThreadRef ref);
 
 /// @brief Waits for the thread to complete.
 /// @param ref the thread reference.
 /// @return  nothing.
-CA_EXTERN_C VoidType CTJoin(ThreadRef ref);
+CS_EXTERN_C VoidType CSThreadJoin(ThreadRef ref);
 
 /// @brief Yields the current thread.
 /// @param ref the thead reference.
-/// @return 
-CA_EXTERN_C VoidType CTYield(ThreadRef ref);
+/// @return
+CS_EXTERN_C VoidType CSThreadYield(ThreadRef ref);
 
 #endif // __THREAD__
diff --git a/SDK/Library/CoreSystem/Headers/Transport.h b/SDK/Library/CoreSystem/Headers/Transport.h
new file mode 100644
index 00000000..3f6db3f1
--- /dev/null
+++ b/SDK/Library/CoreSystem/Headers/Transport.h
@@ -0,0 +1,48 @@
+/* -------------------------------------------
+
+	Copyright SoftwareLabs
+
+------------------------------------------- */
+
+//
+// Created by Amlal on 5/12/24
+//
+
+#ifndef __TRANSPORT__
+#define __TRANSPORT__
+
+/// @file: Transport.h
+/// @brief Open Transport Layer, an alternative to berkeley sockets.
+
+#include <Headers/Defines.h>
+
+typedef QWordType TrStreamType;
+
+/// @brief Opens a new socket
+/// @param afType address family
+/// @param sockType type of socket
+/// @param sockProto socket protocol.
+/// @return The STREAMS socket.
+/// @note return is const.
+CS_EXTERN_C CS_CONST TrStreamType CSOpenSocket(UInt32Type afType, UInt32Type sockType, UInt32Type sockProto);
+
+/// @brief Close a STREAMS socket.
+/// @param streams The streams socket.
+/// @return 
+CS_EXTERN_C VoidType CSCloseSocket(CS_CONST TrStreamType streams);
+
+/// @brief Get OpenTransport version.
+/// @param void
+/// @return 
+CS_EXTERN_C CS_CONST Int32Type CSGetVersion(VoidType);
+
+enum
+{
+	TrSocketProtoTCP, /// TCP socket
+	TrSocketProtoUDP, /// UDP socket
+	TrSocketProtoUN, /// IPC  socket
+	TrSocketProtoRaw, /// Raw socket
+	TrSocketProtoCount,
+};
+
+#endif // __TRANSPORT__
\ No newline at end of file
diff --git a/SDK/Library/CoreSystem/Private.xml b/SDK/Library/CoreSystem/Private.xml
new file mode 100644
index 00000000..4be6c388
--- /dev/null
+++ b/SDK/Library/CoreSystem/Private.xml
@@ -0,0 +1,4 @@
+<SourceDeploy>
+    <File name="Headers/Hint.h" hidden="true"/>
+    <Directory name="Sources/" hidden="true"/>
+</SourceDeploy>
\ No newline at end of file
diff --git a/SDK/Library/CoreSystem/ReadMe.md b/SDK/Library/CoreSystem/ReadMe.md
index be075a59..ae5df339 100644
--- a/SDK/Library/CoreSystem/ReadMe.md
+++ b/SDK/Library/CoreSystem/ReadMe.md
@@ -1,5 +1,5 @@
 # CoreSystem
-## System Core framework.
+## Core System framework.
 
 Currently contains:
 
@@ -8,6 +8,6 @@ Currently contains:
 - Data API.
 - Threading API.
 
-Needs:
+Needs to have:
 - Device API
 - Drive API.
\ No newline at end of file
diff --git a/SDK/Library/CoreSystem/Sources/App.c b/SDK/Library/CoreSystem/Sources/App.c
index 6c6f22f3..42ea19c6 100644
--- a/SDK/Library/CoreSystem/Sources/App.c
+++ b/SDK/Library/CoreSystem/Sources/App.c
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -12,9 +12,9 @@ ApplicationInterfaceRef kSharedApplication = NullPtr;
 /// @brief Gets the app arguments count.
 /// @param void no arguments.
 /// @return The number of arguments given to the application.
-CA_EXTERN_C SizeType RtGetAppArgumentsCount(VoidType)
+CS_EXTERN_C SizeType RtGetAppArgumentsCount(VoidType)
 {
-	CA_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(kSharedApplication);
 
 	return kSharedApplication->Invoke(kSharedApplication, kCallGetArgsCount);
 }
@@ -22,9 +22,9 @@ CA_EXTERN_C SizeType RtGetAppArgumentsCount(VoidType)
 /// @brief Gets the app arguments pointer.
 /// @param void no arguments.
 /// @return
-CA_EXTERN_C CharacterTypeUTF8** RtGetAppArgumentsPtr(VoidType)
+CS_EXTERN_C CharacterTypeUTF8** RtGetAppArgumentsPtr(VoidType)
 {
-	CA_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(kSharedApplication);
 
 	return (CharacterTypeUTF8**)kSharedApplication->Invoke(kSharedApplication,
 														   kCallGetArgsPtr);
diff --git a/SDK/Library/CoreSystem/Sources/CRTStartup.c b/SDK/Library/CoreSystem/Sources/CRTStartup.c
new file mode 100644
index 00000000..1cfad65d
--- /dev/null
+++ b/SDK/Library/CoreSystem/Sources/CRTStartup.c
@@ -0,0 +1,12 @@
+/* -------------------------------------------
+
+	Copyright SoftwareLabs
+
+------------------------------------------- */
+
+#include <Headers/Defines.h>
+
+VoidType __DllMainCRTStartup(VoidType)
+{
+    kSharedApplication = RtGetAppPointer();
+}
\ No newline at end of file
diff --git a/SDK/Library/CoreSystem/Sources/File.c b/SDK/Library/CoreSystem/Sources/File.c
index 6488bccf..7547e7f2 100644
--- a/SDK/Library/CoreSystem/Sources/File.c
+++ b/SDK/Library/CoreSystem/Sources/File.c
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -20,24 +20,39 @@ enum FileOp
 /// @param path where to find it.
 /// @param rest the restrict (rw, rwe, r+, w+, r, w)
 /// @return FSRef the file.
-CA_EXTERN_C FSRef FsOpenFile(const CharacterTypeUTF8* path,
+CS_EXTERN_C FSRef CSOpenFile(const CharacterTypeUTF8* path,
 							 const CharacterTypeUTF8* rest)
 {
-	CA_MUST_PASS(kSharedApplication);
-	CA_MUST_PASS(path && FsIsValidPath(path) == Yes);
-	CA_MUST_PASS(rest);
+	CS_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(path && CSIsValidPath(path) == Yes);
+	CS_MUST_PASS(rest);
 
 	return kSharedApplication->Invoke(kSharedApplication, kCallOpenFile, path,
 									  rest);
 }
 
 /// @brief Closes the file and flushes it to the said file.
-/// @param refFs the filesystem reference.
+/// @param refCS the filesystem reference.
 /// @return
-CA_EXTERN_C VoidType FsCloseFile(FSRef refFs)
+CS_EXTERN_C VoidType CSCloseFile(FSRef refCS)
 {
-	CA_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(kSharedApplication);
 
-	kSharedApplication->Invoke(kSharedApplication, refFs, kFlushFile);
-	kSharedApplication->Invoke(kSharedApplication, kCallCloseFile, refFs);
+	kSharedApplication->Invoke(kSharedApplication, refCS, kFlushFile);
+	kSharedApplication->Invoke(kSharedApplication, kCallCloseFile, refCS);
 }
+
+/// @brief Check if filesystem path is valid.
+/// @param path 
+/// @return 
+CS_EXTERN_C BooleanType CSIsValidPath(const CharacterTypeUTF8* path)
+{
+	CS_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(path);
+
+	return kSharedApplication->Invoke(kSharedApplication, kCallFileExists, path) ||
+			kSharedApplication->Invoke(kSharedApplication, kCallDirectoryExists, path) ||
+			kSharedApplication->Invoke(kSharedApplication, kCallSymlinkExists, path) ||
+			kSharedApplication->Invoke(kSharedApplication, kCallDriveExists, path) ||
+			kSharedApplication->Invoke(kSharedApplication, kCallDeviceExists, path);
+}
\ No newline at end of file
diff --git a/SDK/Library/CoreSystem/Sources/Heap.c b/SDK/Library/CoreSystem/Sources/Heap.c
index f3e9f914..e7a77ba5 100644
--- a/SDK/Library/CoreSystem/Sources/Heap.c
+++ b/SDK/Library/CoreSystem/Sources/Heap.c
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -11,11 +11,11 @@
 /// @param sz size of object.
 /// @param flags flags.
 /// @return
-CA_EXTERN_C PtrVoidType RtHeapAllocate(QWordType sz, DWordType flags)
+CS_EXTERN_C PtrVoidType CSAllocateHeap(QWordType sz, DWordType flags)
 {
-	CA_MUST_PASS(kSharedApplication);
-	CA_MUST_PASS(sz);
-	CA_MUST_PASS(flags);
+	CS_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(sz);
+	CS_MUST_PASS(flags);
 
 	return (PtrVoidType)kSharedApplication->Invoke(kSharedApplication,
 												   kCallAllocPtr, sz, flags);
@@ -23,33 +23,32 @@ CA_EXTERN_C PtrVoidType RtHeapAllocate(QWordType sz, DWordType flags)
 
 /// @brief Free pointer from the user's heap.
 /// @param ptr the pointer to free.
-CA_EXTERN_C VoidType RtHeapFree(PtrVoidType ptr)
+CS_EXTERN_C VoidType CSFreeHeap(PtrVoidType ptr)
 {
-	CA_MUST_PASS(kSharedApplication);
-	CA_MUST_PASS(ptr);
+	CS_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(ptr);
 
-	CA_UNREFERENCED_PARAMETER(
+	CS_UNREFERENCED_PARAMETER(
 		kSharedApplication->Invoke(kSharedApplication, kCallFreePtr, ptr));
 }
 
 /// @brief Get pointer size.
 /// @param ptr the pointer to find.
 /// @return the size.
-CA_EXTERN_C QWordType RtHeapGetSize(PtrVoidType ptr)
+CS_EXTERN_C QWordType CSGetHeapSize(PtrVoidType ptr)
 {
-	CA_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(kSharedApplication);
 
-	CA_MUST_PASS(ptr);
+	CS_MUST_PASS(ptr);
 	return kSharedApplication->Invoke(kSharedApplication, kCallSizePtr, ptr);
 }
 
 /// @brief Check if the pointer exists.
 /// @param ptr the pointer to check.
 /// @return if it exists
-CA_EXTERN_C BooleanType RtHeapPtrExists(PtrVoidType ptr)
+CS_EXTERN_C BooleanType CSIsHeapValid(PtrVoidType ptr)
 {
-	CA_MUST_PASS(kSharedApplication);
-
-	CA_MUST_PASS(ptr);
+	CS_MUST_PASS(kSharedApplication);
+	CS_MUST_PASS(ptr);
 	return kSharedApplication->Invoke(kSharedApplication, kCallCheckPtr, ptr);
 }
diff --git a/SDK/Library/CoreSystem/Sources/Math.c b/SDK/Library/CoreSystem/Sources/Math.c
index b41f8a54..19df42f3 100644
--- a/SDK/Library/CoreSystem/Sources/Math.c
+++ b/SDK/Library/CoreSystem/Sources/Math.c
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-    Copyright SoftwareLabs
+	Copyright SoftwareLabs
 
 ------------------------------------------- */
 
@@ -8,7 +8,7 @@
 
 /// @brief Number generator helper.
 /// @return Random generated number.
-CA_EXTERN_C SizeType MathRand(VoidType)
+CS_EXTERN_C SizeType MathRand(VoidType)
 {
 	return kSharedApplication->Invoke(kSharedApplication, kCallRandomNumberGenerator);
 }
\ No newline at end of file
diff --git a/SDK/Library/CoreSystem/Sources/Thread.c b/SDK/Library/CoreSystem/Sources/Thread.c
new file mode 100644
index 00000000..7d00bf9e
--- /dev/null
+++ b/SDK/Library/CoreSystem/Sources/Thread.c
@@ -0,0 +1,9 @@
+/* -------------------------------------------
+
+	Copyright SoftwareLabs
+
+------------------------------------------- */
+
+#include <Headers/Thread.h>
+
+ThreadRef kMainThread = 0;
diff --git a/SDK/Library/CoreSystem/amd64.mk b/SDK/Library/CoreSystem/amd64.mk
index 33303430..e64de90f 100644
--- a/SDK/Library/CoreSystem/amd64.mk
+++ b/SDK/Library/CoreSystem/amd64.mk
@@ -6,7 +6,7 @@
 CC=x86_64-w64-mingw32-gcc
 AR=x86_64-w64-mingw32-ar
 CCINC=-I./
-CCFLAGS=-D__SINGLE_PRECISION__ -nostdlib -std=c17 -ffreestanding -Xlinker --subsystem=17 -shared
+CCFLAGS=-D__SINGLE_PRECISION__ -nostdlib -std=c17 -ffreestanding -Xlinker --subsystem=17 -e __DllMainCRTStartup -shared
 OUTPUT=CoreSystem.lib
 
 .PHONY: all