ref: 147d51bf7c6cd8798ddb26e33d857be13a66c548
dir: /libnandfs/calcformat.c/
#include "logfsos.h"
#include "logfs.h"
#include "nandfs.h"
#include "local.h"
int
nandfscalcformat(Nandfs *nandfs, long base, long limit, long bootsize, long *baseblock, long *limitblock, long *bootblocks)
{
*baseblock = (base + nandfs->rawblocksize - 1) / nandfs->rawblocksize;
if (limit == 0)
*limitblock = nandfs->limitblock;
else
*limitblock = limit / nandfs->rawblocksize;
*bootblocks = (bootsize + nandfs->rawblocksize - 1) / nandfs->rawblocksize;
if (*bootblocks < 3)
*bootblocks = 3;
/* sanity checks */
if (*limitblock > nandfs->limitblock
|| *baseblock < nandfs->baseblock
|| *bootblocks > nandfs->limitblock - nandfs->baseblock)
return 0;
return 1;
}