newlib/winsup/mingw/main.c

97 lines
2.0 KiB
C

/*
* main.c
*
* Extra startup code for applications which do not have a main function
* of their own (but do have a WinMain). Generally these are GUI
* applications, but they don't *have* to be.
*
* This file is part of the Mingw32 package.
*
* Contributors:
* Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
* Maintained by Mumit Khan <khan@xraylith.wisc.EDU>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRENTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAMED. This includes but is not limited to warrenties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision$
* $Author$
* $Date$
*
*/
#include <stdlib.h>
#include <process.h>
#include <windows.h>
#define ISSPACE(a) (a == ' ' || a == '\t')
extern int PASCAL WinMain (HINSTANCE hInst, HINSTANCE hPrevInst,
LPSTR szCmdLine, int nShow);
int
main (int argc, char *argv[], char *environ[])
{
char *szCmd;
STARTUPINFO startinfo;
int nRet;
/* Get the command line passed to the process. */
szCmd = GetCommandLineA ();
GetStartupInfoA (&startinfo);
/* Strip off the name of the application and any leading
* whitespace. */
if (szCmd)
{
while (ISSPACE (*szCmd))
{
szCmd++;
}
/* On my system I always get the app name enclosed
* in quotes... */
if (*szCmd == '\"')
{
do
{
szCmd++;
}
while (*szCmd != '\"' && *szCmd != '\0');
if (*szCmd == '\"')
{
szCmd++;
}
}
else
{
/* If no quotes then assume first token is program
* name. */
while (!ISSPACE (*szCmd) && *szCmd != '\0')
{
szCmd++;
}
}
while (ISSPACE (*szCmd))
{
szCmd++;
}
}
nRet = WinMain (GetModuleHandle (NULL), NULL, szCmd,
(startinfo.dwFlags & STARTF_USESHOWWINDOW) ?
startinfo.wShowWindow : SW_SHOWDEFAULT);
return nRet;
}