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Implement sparse files for AmigaOS.

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Natalia Portillo
2021-04-19 04:18:43 +01:00
parent 4bdb194630
commit 06cd06d180
1 changed files with 99 additions and 1 deletions
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100
setter/src/amiga/sparse.c
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@@ -22,9 +22,107 @@ Aaru Data Preservation Suite
Copyright (C) 2011-2021 Natalia Portillo
*****************************************************************************/
#include <proto/dos.h>
#include "../include/consts.h"
#include "../include/defs.h"
#include "../log.h"
void Sparse(const char* path)
{
// TODO
BPTR pathLock;
BPTR dirLock;
int ret;
int rc, wRc, cRc;
BPTR h;
int i;
pathLock = Lock((CONST_STRPTR)path, SHARED_LOCK);
if(!pathLock)
{
log_write("Error %d changing to specified path.\n", IoErr());
return;
}
CurrentDir(pathLock);
dirLock = CreateDir((CONST_STRPTR) "SPARSE");
if(!dirLock)
{
log_write("Error %d creating working directory.\n", IoErr());
return;
}
CurrentDir(dirLock);
log_write("Creating sparse files.\n");
h = Open((CONST_STRPTR) "SMALL", MODE_NEWFILE);
rc = 0;
wRc = 0;
cRc = 0;
if(!h) rc = IoErr();
else
{
for(i = 0; i < 4096; i += CLAUNIA_SIZE)
{
ret = Write(h, clauniaBytes, CLAUNIA_SIZE);
if(ret < 0)
{
wRc = IoErr();
break;
}
}
Seek(h, 8192, OFFSET_CURRENT);
for(i = 4096 + 8192; i < 4096 * 4; i += CLAUNIA_SIZE)
{
ret = Write(h, clauniaBytes, CLAUNIA_SIZE);
if(ret < 0)
{
wRc = IoErr();
break;
}
}
ret = Close(h);
if(!ret) cRc = IoErr();
}
log_write("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n", "SMALL", 4096 * 4, rc, wRc, cRc);
h = Open((CONST_STRPTR) "BIG", MODE_NEWFILE);
rc = 0;
wRc = 0;
cRc = 0;
if(!h) rc = IoErr();
else
{
for(i = 0; i < 4096 * 8; i += CLAUNIA_SIZE)
{
ret = Write(h, clauniaBytes, CLAUNIA_SIZE);
if(ret < 0)
{
wRc = IoErr();
break;
}
}
Seek(h, 81920, OFFSET_CURRENT);
for(i = 32768 + 81920; i < 4096 * 30; i += CLAUNIA_SIZE)
{
ret = Write(h, clauniaBytes, CLAUNIA_SIZE);
if(ret < 0)
{
wRc = IoErr();
break;
}
}
}
log_write("\tFile name = \"%s\", size = %d, rc = %d, wRc = %d, cRc = %d\n", "BIG", 4096 * 30, rc, wRc, cRc);
}