sferrno.c

T-kernel 的extension源代码

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	@(#)sferrno.c (seio) 
 *
 *	Error code conversion
 */

#include <basic.h>
#include <extension/seio.h>
#include <extension/errno.h>
#include <errno.h>
#include "sfimport.h"

EXPORT int toSFERRNO( ER err )
{
	if ( (ER)((UW)err & 0xffff0000U) == E_SEIO ) {
		return (H)err;
	}

	switch ( (ER)((UW)err & 0xffff0000U) ) {
	  case E_OK:
		return 0;
	  case E_MACV:
		return EFAULT;
	  case E_PAR:
		return EINVAL;
	  case E_NOSPT:
		return -1;
	  case E_SYSMEM:
		return ENOMEM;
	  case E_ID:
		return EINVAL;
	  case E_NOEXS:
		return EINVAL;
	  case E_NOMEM:
		return ENOMEM;
	  case E_CTX:
		return -1;
	  case E_SYS:
		return -1;
	  case E_RSFN:
		return -1;
	  case E_LIMIT:
		return -1;
	  case E_ILUSE:
		return EINVAL;
	  case E_DISWAI:
		return EINTR;
	  case E_DLT:
		return -1;
	  case E_OBJ:
		return EINVAL;
	  case E_TMOUT:
		return -1;
	  case E_FNAME:
		return EINVAL;
	  case E_FD:
		return EBADF;
	  case E_FACV:
		return EACCES;
	  case E_PERM:
		return EPERM;
	  case E_RONLY:
		return EROFS;
	  case E_PWD:
		return -1;
	  case E_ENDR:
		return -1;
	  case E_REC:
		return -1;
	  case E_NOLNK:
		return -1;
	  case E_LOCK:
		return EDEADLK;
	  case E_XFS:
		return EXDEV;
	  case E_NOFS:
		return ENOENT;
	  case E_NODSK:
		return ENOSPC;
	  case E_ILFMT:
		return -1;
	  case E_OACV:
		return ENODEV;
	  case E_BUSY:
		return EBUSY;
	  case E_NODEV:
		return EIO;
	  case E_ERDEV:
		return EIO;
	  case E_NOMDA:
		return EIO;
	  case E_IO:
		return EIO;
	  default:
		/* nothing to do */
		break;
	}

	/* No corresponding error code */
	return -1;
}