Files
fstester/setter/src/dos/frag.c

250 lines
7.7 KiB
C

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