ioerr.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 90 行

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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****************************************************************************/


//
// IOERR        : I/O error processing
//

#include "ftnstd.h"
#include "errcod.h"
#include "rundat.h"
#include "cioconst.h"
#include "rtflags.h"
#include "xfflags.h"

#include <stdarg.h>

extern  void            Suicide(void);
extern  void            ErrHandler(int,va_list);
extern  void            WriteErr(int,va_list);
extern  void            GetIOErrMsg(ftnfile *,char *);
extern  int             ErrCodOrg(uint);


static  void    SysIOErr( int errcode, ... ) {
//============================================

    va_list     args;

    va_start( args, errcode );
    ErrHandler( errcode, args );
    va_end( args );
}


void    IOErr( int errcode, ... ) {
//=================================

// Handle a run time i/o error.

    char        errbuff[ERR_BUFF_SIZE+1];
    va_list     args;

    va_start( args, errcode );
        if( ( IOCB->set_flags & (SET_IOSPTR|SET_ERRSTMT) ) == 0 ) {
            if( errcode == IO_FILE_PROBLEM ) {
                GetIOErrMsg( IOCB->fileinfo, errbuff );
                SysIOErr( errcode, errbuff );
            } else {
                ErrHandler( errcode, args );
            }
        } else {
            errcode = ErrCodOrg( errcode );
            if( IOCB->fileinfo != NULL ) {
                IOCB->fileinfo->error = errcode;
            }
            IOCB->status = errcode;
        }
        Suicide();
    va_end( args );
}