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1 line
3.3 KiB
C
1 line
3.3 KiB
C
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/*
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* Copyright (c) Kopriha Software, 1990-1991
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* All Rights Reserved
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*
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* Gnfn.CC
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*
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* Description:
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* This module exists to abstract the data of the file I/O
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* primitives of GS/OS.
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*
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*
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* History:Oct 13, 1990 Dave Created this file
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*
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* Feb 25, 1991 Dave Added I/O buffering
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*
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* May 26, 1991 Dave Added set EOF
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*
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* Jun 07, 1991 Dave Broke the single source into lots
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* of small sources so we can build
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* a library to use...
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*
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*/
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/*
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* define DEBUG_CODE
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* - add # to define to create the local
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* debug code (IE:module)
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*/
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#ifndef _KS_FILEIO_
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#include "ks.fileio.h"
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#endif
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#pragma noroot
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/* ****************************************************************** *
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* ks_file_get_next_file - Return the next filename in a directory. *
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* *
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* History: Mar 5, 1991 Dave Created this routine *
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* ****************************************************************** */
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#undef ROUTINE_NAME
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#define ROUTINE_NAME "ks_file_get_next_file"
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KS_E_ERROR ks_file_get_next_file(KS_FILE_PTR file_ptr,
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DirEntryRecPtrGS dir_entry_ptr)
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{
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/* ************************************************************** *
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* Local declarations: *
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* ************************************************************** */
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KS_E_ERROR error; /* Holds error codes for subroutines */
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ROUTINE_ENTER();
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/* ************************************************************** *
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* Set the parameters up and get the next directory entry. *
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* *
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* If we are at the end of the directory, then we have to do a *
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* special call to get the first entry - the open code will set *
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* the flag making it look like we're at the end of the directory*
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* for our first call. *
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* ************************************************************** */
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dir_entry_ptr->pCount = 13;
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dir_entry_ptr->refNum = file_ptr->refNum;
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if (file_ptr->end_of_dir == TRUE)
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{
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dir_entry_ptr->base = 0;
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dir_entry_ptr->displacement = 0;
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file_ptr->end_of_dir = FALSE;
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}
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else
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{
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dir_entry_ptr->base = 1;
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dir_entry_ptr->displacement = 1;
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};
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GetDirEntryGS(dir_entry_ptr);
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/* ************************************************************** *
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* Now check for errors. If we are at the end of the directory *
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* then send the end of directory flag. *
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* *
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* The last thing to do is to return to our caller. *
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* ************************************************************** */
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if ((error = GET_ERROR()) != KS_E_SUCCESS)
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{
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if (error == endOfDir)
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{
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file_ptr->end_of_dir = TRUE;
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};
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KS_ERROR(error, KS_FILE_ID);
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};
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KS_SUCCESS();
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} /* End of ks_file_get_next_file() */
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