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Tiny C Runtime Library

, 25 Mar 2007
Reduce code bloat for those simple utility programs by using a streamlined C runtime - now with Unicode support!
// crt0twin.cpp

// based on:
// LIBCTINY - Matt Pietrek 2001
// MSDN Magazine, January 2001

// 08/12/06 (mv)

#include <windows.h>
#include "libct.h"

#pragma comment(linker, "/nodefaultlib:libc.lib")
#pragma comment(linker, "/nodefaultlib:libcmt.lib")
#pragma comment(linker, "/nodefaultlib:libcmtd.lib")

int __argc;
TCHAR **__targv;

#ifdef UNICODE
int WINAPI wWinMain(HINSTANCE, HINSTANCE, LPWSTR, int);
#endif

EXTERN_C void _tWinMainCRTStartup()
{
	__argc = _init_args();
	__targv = _argv;
	_init_file();

	TCHAR *cmd = GetCommandLine();

	// Skip program name
	if (*cmd == _T('"'))
	{
	    while (*cmd && *cmd != _T('"'))
	        cmd++;
	    if (*cmd == _T('"'))
	        cmd++;
	}
	else
	{
	    while (*cmd > _T(' '))
	        cmd++;
	}

	// Skip any white space
	while (*cmd && *cmd <= _T(' '))
	    cmd++;

	STARTUPINFO si;
	si.dwFlags = 0;
	GetStartupInfo(&si);

	_init_atexit();
	_initterm(__xc_a, __xc_z);			// call C++ constructors

	int ret = _tWinMain(GetModuleHandle(0), 0, cmd, si.dwFlags&STARTF_USESHOWWINDOW ? si.wShowWindow : SW_SHOWDEFAULT);

	_doexit();
	_term_args();
	ExitProcess(ret);
}

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About the Author

Mike_V

United States United States
Mike_V is currently a student at UCLA.
 
After a few years on the Dark Side, he reformed and now chants "Death to VB." His computer-related interests include C++, C#, and ASP.NET (in C#, of course). He writes operating systems in C++ and assembler as a hobby.

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