static int doOneCmd(
IoContext *pCtx,
u8 *aData,
int pgsz,
char *zCmd,
char **pzOut
){
char c;
char *z = zCmd;
while( safe_isspace(*z) ) z++;
c = *z;
if( c==0 ){
if( pzOut ) *pzOut = z;
return 0;
}
if( c=='s' || c=='S' ){
if( pzOut ) *pzOut = &z[1];
return fdatasync(pCtx->fd);
}
if( safe_isdigit(c) ){
i64 iOff = 0;
int nByte = 0;
int rc = 0;
int nPg;
int iPg;
nByte = getNextSize(z, &z, &rc);
if( rc || *z!='@' ) goto bad_command;
z++;
iOff = getNextSize(z, &z, &rc);
if( rc || (safe_isspace(*z)==0 && *z!='\0') ) goto bad_command;
if( pzOut ) *pzOut = z;
nPg = (nByte+pgsz-1) / pgsz;
lseek(pCtx->fd, iOff, SEEK_SET);
for(iPg=0; iPg<nPg; iPg++){
write(pCtx->fd, aData, pgsz);
}
pCtx->nWrite += nByte/1024;
return 0;
}
bad_command:
testPrintError("unrecognized command: %s", zCmd);
return 1;
}
static void* find_fit(size_t size) //find best place
{
#ifdef __DEBUG__
fprintf(stderr, "find fitting place - size : %d\n", size);
#endif
void* bp;
void* s;
size_t sizeIndex = size;
for(s = getSegBySize(size); ; s = getSegBySize(sizeIndex)) //increase seg size
{
sizeIndex = getNextSize(sizeIndex);
for(bp = s; ; bp = getNextNode(bp)) //iterate list
{
if(bp==NULL) break;
#ifdef __DEBUG__
fprintf(stderr, "searching : %u / allocated? : %u / size? : %u\n", getBlockHeader(bp), isAllocated(getBlockHeader(bp)), getSize(getBlockHeader(bp)));
#endif
if(!isAllocated(getBlockHeader(bp)) && size <= getSize(getBlockHeader(bp)))
{
return bp;
}
if(isTail(bp)) break;
}
if(s==seg_inf) break;
}
return NULL;
}
int do_io(int nArg, char **azArg){
IoContext ctx;
int pgsz;
char *zFile;
char *zPgsz;
int i;
int rc = 0;
char *zStdin = 0;
char *z;
u8 *aData;
memset(&ctx, 0, sizeof(IoContext));
if( nArg<2 ){
testPrintUsage("FILE PGSZ ?CMD-1 ...?");
return -1;
}
zFile = azArg[0];
zPgsz = azArg[1];
pgsz = getNextSize(zPgsz, 0, &rc);
if( pgsz<=0 ){
testPrintError("Ridiculous page size: %d", pgsz);
return -1;
}
aData = malloc(pgsz);
memset(aData, 0x77, pgsz);
ctx.fd = open(zFile, O_RDWR|O_CREAT, 0644);
if( ctx.fd<0 ){
perror("open: ");
return -1;
}
if( nArg==2 ){
readStdin(&zStdin);
testTimeInit();
z = zStdin;
while( *z && rc==0 ){
rc = doOneCmd(&ctx, aData, pgsz, z, &z);
}
}else{
testTimeInit();
for(i=2; i<nArg; i++){
rc = doOneCmd(&ctx, aData, pgsz, azArg[i], 0);
}
}
printf("%dK written in %d ms\n", ctx.nWrite, testTimeGet());
free(zStdin);
close(ctx.fd);
return 0;
}
void RtlDatasetBuilder::ensure(size32_t required)
{
if (required > maxSize)
{
maxSize = getNextSize(maxSize, required);
buffer = (byte *)realloc(buffer, maxSize);
if (!buffer)
throw MakeStringException(-1, "Failed to allocate temporary dataset (requesting %d bytes)", maxSize);
}
}
bool TinyBitmap::add(const uint32_t val){
const uint16_t val_div = val >> 16;
const uint16_t val_mod = val & 0xFFFF;
if (tiny_bmp == nullptr){
const int aligned_alloc = posix_memalign(reinterpret_cast<void**>(&tiny_bmp), 8, sizes[0] * sizeof(uint16_t));
if (aligned_alloc != 0){
cerr << "TinyBitmap::add(): Aligned memory could not be allocated with error " << aligned_alloc << endl;
exit(1);
}
std::memset(tiny_bmp, 0, sizes[0] * sizeof(uint16_t));
tiny_bmp[0] = (sizes[0] << 3) | bmp_mode | bits_16;
tiny_bmp[2] = val_div;
}
if (getOffset() != val_div) return false;
uint16_t sz = getSize();
uint16_t mode = getMode();
uint16_t cardinality = getCardinality();
// Compute if inserting new value triggers an increase of the container size
if (((mode == bmp_mode) && (val_mod >= ((sz - 3) << 4))) || ((mode != bmp_mode) && (cardinality >= (sz - 3 - (mode == rle_list_mode))))){
// Means that in its current mode, container size must be increased to add a value
// We need to compute if which mode has the smaller container size
if ((mode != bmp_mode) && contains(val)) return true;
runOptimize();
sz = getSize();
mode = getMode();
cardinality = getCardinality();
if ((mode != rle_list_mode) || (cardinality > (sz - 5))){
const uint16_t nb_uint_bmp = getNextSize((std::max(val_mod, static_cast<const uint16_t>(maximum() & 0xFFFF)) >> 4) + 4);
bool res;
if (mode == rle_list_mode){
const uint16_t nb_val = size();
const uint16_t nb_val_rle_list = getNextSize(getNextSize(sz) + 1);
const uint16_t nb_val_list = getNextSize(nb_val + 4);
const uint16_t nb_val_min = (nb_val > (0xFFFF - 48)) ? 0xFFFF : std::min(nb_val_rle_list, std::min(nb_val_list, nb_uint_bmp));
//cout << "TinyBitmap::add(): Size must be increased" << endl;
//cout << "TinyBitmap::add(): nb_val_rle_list = " << nb_val_rle_list << endl;
//cout << "TinyBitmap::add(): nb_val_list = " << nb_val_list << endl;
//cout << "TinyBitmap::add(): nb_uint_bmp = " << nb_uint_bmp << endl;
//cout << "TinyBitmap::add(): nb_val_min = " << nb_val_min << endl;
if (nb_val_min > sizes[nb_sizes - 1]) return false;
res = (nb_val_rle_list == nb_val_min);
res = res ? change_sz(nb_val_min) : switch_mode(nb_val_min, (nb_val_list <= nb_uint_bmp) ? list_mode : bmp_mode);
cardinality = getCardinality();
}
else {
const uint16_t nb_val_list = getNextSize(cardinality + 4);
//cout << "TinyBitmap::add(): Size must be increased" << endl;
//cout << "TinyBitmap::add(): max_val_mode = " << max_val_mode << endl;
//cout << "TinyBitmap::add(): nb_uint_bmp = " << nb_uint_bmp << endl;
//cout << "TinyBitmap::add(): nb_val_list = " << nb_val_list << endl;
if (mode == bmp_mode) res = (nb_uint_bmp <= nb_val_list) ? change_sz(nb_uint_bmp) : switch_mode(nb_val_list, list_mode);
else res = (nb_val_list <= nb_uint_bmp) ? change_sz(nb_val_list) : switch_mode(nb_uint_bmp, bmp_mode);
}
if (!res) return false;
mode = getMode();
}
}
//cout << "TinyBitmap::add(): mode = " << mode << endl;
if (mode == bmp_mode){ // Bitmap mode
uint16_t& div = tiny_bmp[(val_mod >> 4) + 3];
const uint16_t mod = 1U << (val_mod & 0xF);
tiny_bmp[1] += ((div & mod) == 0); // += (1 << 8) if not already set (increase cardinality in header), 0 otherwise
div |= mod; // Insert new value
}