Gdal::Band::Band(Gdal& owner_, GDALRasterBand *band_)
: owner(owner_), band(band_)
{
size.cx = band->GetXSize();
size.cy = band->GetYSize();
band->GetBlockSize(&block_size.cx, &block_size.cy);
block_count = idivceil(size, block_size);
type = band->GetRasterDataType();
pixel_bytes = (GDALGetDataTypeSize(type) + 7) >> 3;
complex = GDALDataTypeIsComplex(type);
int nodata_flag;
nodata_value = band->GetNoDataValue(&nodata_flag);
is_nodata = !!nodata_flag;
is_stat = false;
nodata_int = fround(nodata_value);
blocks.Alloc(block_count.cx * block_count.cy);
}
void
createCHKNameList(int fd)
{
struct pcdir *ignorep1, *ignorep2;
int32_t ignore32;
char *ignorecp = NULL;
char ignore = '\0';
int ignoreint = 0;
ignorep1 = ignorep2 = NULL;
if (!OkayToRelink || CHKsList != NULL)
return;
/*
* Allocate an array to keep a bit map of the integer
* values used in CHK names.
*/
if ((CHKsList =
(uchar_t *)calloc(1, idivceil(MAXCHKVAL, NBBY))) == NULL) {
OkayToRelink = 0;
return;
}
/*
* Search the root directory for all the files with names of
* the form FILEXXXX.CHK. The root directory is an area
* outside of the file space on FAT12 and FAT16 file systems.
* On FAT32 file systems, the root directory is in a file
* area cluster just like any other directory.
*/
if (!IsFAT32) {
traverseFromRoot(fd, 0, PCFS_NO_SUBDIRS, PCFS_FIND_CHKS,
ignore, &ignorep1, &ignore32, &ignorep2, ignorecp,
&ignoreint);
} else {
DirCount++;
traverseDir(fd, TheBIOSParameterBlock.bpb32.root_dir_clust,
0, PCFS_NO_SUBDIRS, PCFS_FIND_CHKS, ignore,
&ignorep1, &ignore32, &ignorep2, ignorecp, &ignoreint);
}
}
int itimesceil(int x, int y)
{
return y * idivceil(x, y);
}
