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Split DOS code in several files.
This commit is contained in:
256
setter/src/dos/frag.c
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256
setter/src/dos/frag.c
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/****************************************************************************
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Aaru Data Preservation Suite
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-----------------------------------------------------------------------------
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Filename : dos.c
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Author(s) : Natalia Portillo
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--[ Description ] -----------------------------------------------------------
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Contains DOS code
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--[ License ] ---------------------------------------------------------------
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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-----------------------------------------------------------------------------
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Copyright (C) 2011-2021 Natalia Portillo
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*****************************************************************************/
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#if defined(__DOS__) || defined(MSDOS)
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#include <direct.h>
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#include <dos.h>
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#include <i86.h>
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#include <io.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "dos.h"
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#include "../include/dosos2.h"
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#include "../include/consts.h"
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#include "../include/defs.h"
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void Fragmentation(const char* path, size_t clusterSize)
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{
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size_t halfCluster = clusterSize / 2;
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size_t quarterCluster = clusterSize / 4;
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size_t twoCluster = clusterSize * 2;
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size_t threeQuartersCluster = halfCluster + quarterCluster;
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size_t twoAndThreeQuartCluster = threeQuartersCluster + twoCluster;
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unsigned char* buffer;
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char driveNo = path[0] - '@';
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int rc = 0, wRc = 0, cRc = 0;
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unsigned total, actionTaken = 0;
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int handle;
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long i;
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if(driveNo > 32) driveNo -= 32;
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_dos_setdrive(driveNo, &total);
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chdir("\\");
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rc = mkdir("FRAGS");
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if(rc)
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{
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printf("Cannot create working directory.\n");
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return;
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}
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rc = chdir("FRAGS");
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rc = _dos_creatnew("HALFCLST", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(halfCluster);
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memset(buffer, 0, halfCluster);
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for(i = 0; i < halfCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, halfCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n", "HALFCLST", halfCluster, rc, wRc, cRc);
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rc = _dos_creatnew("QUARCLST", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(quarterCluster);
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memset(buffer, 0, quarterCluster);
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for(i = 0; i < quarterCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, quarterCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n", "QUARCLST", quarterCluster, rc, wRc, cRc);
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rc = _dos_creatnew("TWOCLST", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(twoCluster);
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memset(buffer, 0, twoCluster);
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for(i = 0; i < twoCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, twoCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n", "TWOCLST", twoCluster, rc, wRc, cRc);
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rc = _dos_creatnew("TRQTCLST", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(threeQuartersCluster);
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memset(buffer, 0, threeQuartersCluster);
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for(i = 0; i < threeQuartersCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, threeQuartersCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n",
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"TRQTCLST",
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threeQuartersCluster,
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rc,
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wRc,
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cRc);
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rc = _dos_creatnew("TWTQCLST", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(twoAndThreeQuartCluster);
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memset(buffer, 0, twoAndThreeQuartCluster);
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for(i = 0; i < twoAndThreeQuartCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, twoAndThreeQuartCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n",
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"TWTQCLST",
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twoAndThreeQuartCluster,
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rc,
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wRc,
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cRc);
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rc = _dos_creatnew("TWO1", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(twoCluster);
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memset(buffer, 0, twoCluster);
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for(i = 0; i < twoCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, twoCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n", "TWO1", twoCluster, rc, wRc, cRc);
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rc = _dos_creatnew("TWO2", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(twoCluster);
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memset(buffer, 0, twoCluster);
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for(i = 0; i < twoCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, twoCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n", "TWO2", twoCluster, rc, wRc, cRc);
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rc = _dos_creatnew("TWO3", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(twoCluster);
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memset(buffer, 0, twoCluster);
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for(i = 0; i < twoCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, twoCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tDeleting \"TWO2\".\n");
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rc = unlink("TWO2");
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n", "TWO3", twoCluster, rc, wRc, cRc);
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rc = _dos_creatnew("FRAGTHRQ", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(threeQuartersCluster);
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memset(buffer, 0, threeQuartersCluster);
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for(i = 0; i < threeQuartersCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, threeQuartersCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tDeleting \"TWO1\".\n");
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rc = unlink("TWO1");
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printf("\tDeleting \"TWO3\".\n");
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rc = unlink("TWO3");
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n",
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"FRAGTHRQ",
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threeQuartersCluster,
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rc,
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wRc,
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cRc);
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rc = _dos_creatnew("FRAGSIXQ", _A_NORMAL, &handle);
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if(!rc)
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{
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buffer = malloc(twoAndThreeQuartCluster);
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memset(buffer, 0, twoAndThreeQuartCluster);
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for(i = 0; i < twoAndThreeQuartCluster; i++) buffer[i] = clauniaBytes[i % CLAUNIA_SIZE];
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wRc = _dos_write(handle, buffer, twoAndThreeQuartCluster, &actionTaken);
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cRc = _dos_close(handle);
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free(buffer);
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}
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printf("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n",
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"FRAGSIXQ",
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twoAndThreeQuartCluster,
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rc,
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wRc,
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cRc);
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}
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#endif
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