Sweden-Number/dlls/winecrt0/exe_entry.c

108 lines
3.1 KiB
C

/*
* Default entry point for an exe
*
* Copyright 2005 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "crt0_private.h"
extern int __cdecl main( int argc, char *argv[] );
static char **build_argv( const char *src, int *ret_argc )
{
char **argv, *arg, *dst;
int argc, in_quotes = 0, bcount = 0, len = strlen(src) + 1;
argc = 2 + len / 2;
argv = HeapAlloc( GetProcessHeap(), 0, argc * sizeof(*argv) + len );
arg = dst = (char *)(argv + argc);
argc = 0;
while (*src)
{
if ((*src == ' ' || *src == '\t') && !in_quotes)
{
/* skip the remaining spaces */
while (*src == ' ' || *src == '\t') src++;
if (!*src) break;
/* close the argument and copy it */
*dst++ = 0;
argv[argc++] = arg;
/* start with a new argument */
arg = dst;
bcount = 0;
}
else if (*src == '\\')
{
*dst++ = *src++;
bcount++;
}
else if (*src == '"')
{
if ((bcount & 1) == 0)
{
/* Preceded by an even number of '\', this is half that
* number of '\', plus a '"' which we discard.
*/
dst -= bcount / 2;
src++;
if (in_quotes && *src == '"') *dst++ = *src++;
else in_quotes = !in_quotes;
}
else
{
/* Preceded by an odd number of '\', this is half that
* number of '\' followed by a '"'
*/
dst -= bcount / 2 + 1;
*dst++ = *src++;
}
bcount = 0;
}
else /* a regular character */
{
*dst++ = *src++;
bcount = 0;
}
}
*dst = 0;
argv[argc++] = arg;
argv[argc] = NULL;
*ret_argc = argc;
return argv;
}
DWORD WINAPI DECLSPEC_HIDDEN __wine_spec_exe_entry( PEB *peb )
{
int argc;
BOOL needs_init = (__wine_spec_init_state != CONSTRUCTORS_DONE);
char **argv = build_argv( GetCommandLineA(), &argc );
DWORD ret;
if (needs_init) _init( argc, argv, NULL );
ret = main( argc, argv );
if (needs_init) _fini();
ExitProcess( ret );
}