gno/sys/fileport/support/SetDir.c

92 lines
2.8 KiB
C

/*
* Copyright (c) Kopriha Software, 1990-1991
* All Rights Reserved
*
* SetDir.CC
*
* Description:
* This module exists to abstract the data of the file I/O
* primitives of GS/OS.
*
*
* History:Oct 13, 1990 Dave Created this file
*
* Feb 25, 1991 Dave Added I/O buffering
*
* May 26, 1991 Dave Added set EOF
*
* Jun 07, 1991 Dave Broke the single source into lots
* of small sources so we can build
* a library to use...
*
*/
/*
* define DEBUG_CODE
* - add # to define to create the local
* debug code (IE:module)
*/
#ifndef _KS_FILEIO_
#include "ks.fileio.h"
#endif
#pragma noroot
/* ****************************************************************** *
* ks_file_set_directory - Set the current directory (actually, *
* prefix 8). *
* *
* History: Mar 7, 1991 Dave Created this routine *
* ****************************************************************** */
#undef ROUTINE_NAME
#define ROUTINE_NAME "ks_file_set_directory"
KS_E_ERROR ks_file_set_directory(GSString255Ptr directory_ptr)
{
/* ************************************************************** *
* Local declarations: *
* ************************************************************** */
KS_E_ERROR error; /* Holds error codes for subroutines */
ROUTINE_ENTER();
/* ************************************************************** *
* Setup the packet to set prefix 8 then make the set prefix *
* call. *
* *
* Note: We have to copy the prefix pathname into the buffer *
* because of the way the GS/OS packet is set up. *
* It would be nice to simply set a pointer... but we *
* can't do that. *
* ************************************************************** */
KSf_pkts.prefix.pCount = 2;
KSf_pkts.prefix.prefixNum = 8;
KSf_pkts.prefix.buffer.setPrefix = directory_ptr;
SetPrefixGS(&KSf_pkts.prefix);
/* ************************************************************** *
* Return to our caller. *
* ************************************************************** */
if ((error = GET_ERROR()) != KS_E_SUCCESS)
{
KS_ERROR(error, KS_FILE_ID);
};
KS_SUCCESS();
} /* End of ks_file_set_directory() */