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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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Disc2.iso
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vc98
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crt
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src
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execl.c
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C/C++ Source or Header
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1998-06-17
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2KB
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81 lines
/***
*execl.c - execute a file with a list of arguments
*
* Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines _execl() - execute a file with a list of arguments
*
*******************************************************************************/
#include <cruntime.h>
#include <stdlib.h>
#include <process.h>
#include <stdarg.h>
#include <internal.h>
#include <tchar.h>
#include <dbgint.h>
/***
*int _execl(filename, arglist) - execute a file with arg list
*
*Purpose:
* Transform the argument list so it is a vector, then pass its address
* to execve. Use a pointer to the default environment vector.
*
*Entry:
* _TSCHAR *filename - file to execute
* _TSCHAR *arglist - list of arguments
* call as _execl(path, arg0, arg1, ..., argn, NULL);
*
*Exit:
* destroys the calling process, hopefully
* returns -1 if fails
*
*Exceptions:
*
*******************************************************************************/
int __cdecl _texecl (
const _TSCHAR *filename,
const _TSCHAR *arglist,
...
)
{
#ifdef _M_IX86
_ASSERTE(filename != NULL);
_ASSERTE(*filename != _T('\0'));
_ASSERTE(arglist != NULL);
_ASSERTE(*arglist != _T('\0'));
return(_texecve(filename,&arglist,NULL));
#else /* _M_IX86 */
va_list vargs;
_TSCHAR * argbuf[64];
_TSCHAR ** argv;
int result;
_ASSERTE(filename != NULL);
_ASSERTE(*filename != _T('\0'));
_ASSERTE(arglist != NULL);
_ASSERTE(*arglist != _T('\0'));
va_start(vargs, arglist);
#ifdef WPRFLAG
argv = _wcapture_argv(&vargs, arglist, argbuf, 64);
#else /* WPRFLAG */
argv = _capture_argv(&vargs, arglist, argbuf, 64);
#endif /* WPRFLAG */
va_end(vargs);
result = _texecve(filename,argv,NULL);
if (argv && argv != argbuf)
_free_crt(argv);
return result;
#endif /* _M_IX86 */
}