void FakeSMCSensor::encodeNumericValue(float value, void *outBuffer)
{
if ((type[0] == 'u' || type[0] == 's') && type[1] == 'i') {
bool minus = value < 0;
bool signd = type[0] == 's';
if (minus) value = -value;
switch (type[2]) {
case '8':
if (type[3] == '\0' && size == 1) {
UInt8 encoded = (UInt8)value;
if (signd) bit_write(signd && minus, encoded, BIT(7));
bcopy(&encoded, outBuffer, 1);
}
break;
case '1':
if (type[3] == '6' && size == 2) {
UInt16 encoded = (UInt16)value;
if (signd) bit_write(signd && minus, encoded, BIT(15));
OSWriteBigInt16(outBuffer, 0, encoded);
}
break;
case '3':
if (type[3] == '2' && size == 4) {
UInt32 encoded = (UInt32)value;
if (signd) bit_write(signd && minus, encoded, BIT(31));
OSWriteBigInt32(outBuffer, 0, encoded);
}
break;
default:
return;
}
}
else if ((type[0] == 'f' || type[0] == 's') && type[1] == 'p') {
bool minus = value < 0;
bool signd = type[0] == 's';
UInt8 i = get_index(type[2]);
UInt8 f = get_index(type[3]);
if (i + f == (signd ? 15 : 16)) {
if (minus) value = -value;
UInt16 encoded = value * (float)BIT(f);
if (signd) bit_write(minus, encoded, BIT(15));
OSWriteBigInt16(outBuffer, 0, encoded);
}
}
}
/**
* Encode integer value to SMC integer format
*
* @param value Integer value to be encoded
* @param type Integer SMC type ("ui8 ", "ui16", "ui32", "si8 ")
* @param size Buffer size for encoded bytes, one byte for ui8, 2 bytes for ui16 etc.
* @param outBuffer Buffer where encoded bytes will be copied to, should be already allocated with correct size
*
* @return True on success False otherwise
*/
bool fakeSMCPluginEncodeIntValue(int value, const char *type, const UInt8 size, void *outBuffer)
{
if (type && outBuffer) {
size_t typeLength = strnlen(type, 4);
if (typeLength >= 3 && (type[0] == 'u' || type[0] == 's') && type[1] == 'i') {
bool minus = value < 0;
bool signd = type[0] == 's';
if (minus) value = -value;
switch (type[2]) {
case '8':
if (type[3] == '\0' && size == 1) {
UInt8 encoded = (UInt8)value;
if (signd) bit_write(signd && minus, encoded, BIT(7));
bcopy(&encoded, outBuffer, 1);
return true;
}
break;
case '1':
if (type[3] == '6' && size == 2) {
UInt16 encoded = (UInt16)value;
if (signd) bit_write(signd && minus, encoded, BIT(15));
OSWriteBigInt16(outBuffer, 0, encoded);
return true;
}
break;
case '3':
if (type[3] == '2' && size == 4) {
UInt32 encoded = (UInt32)value;
if (signd) bit_write(signd && minus, encoded, BIT(31));
OSWriteBigInt32(outBuffer, 0, encoded);
return true;
}
break;
}
}
}
return false;
}
/**
* Encode floating point value to SMC float format
*
* @param value Floating point value to be encoded
* @param type Floating point SMC type name ("fp2e", "fpe2", "sp78" are correct float SMC types)
* @param size Buffer size for encoded bytes, for every floating SMC type should be 2 bytes
* @param outBuffer Buffer where encoded bytes will be copied to, should be already allocated with correct size
*
* @return True on success False otherwise
*/
bool fakeSMCPluginEncodeFloatValue(float value, const char *type, const UInt8 size, void *outBuffer)
{
if (type && outBuffer) {
size_t typeLength = strnlen(type, 4);
if (typeLength >= 3 && (type[0] == 'f' || type[0] == 's') && type[1] == 'p') {
bool minus = value < 0;
bool signd = type[0] == 's';
UInt8 i = fakeSMCPluginGetIndexFromChar(type[2]);
UInt8 f = fakeSMCPluginGetIndexFromChar(type[3]);
if (i + f == (signd ? 15 : 16)) {
if (minus) value = -value;
UInt16 encoded = value * (float)BIT(f);
if (signd) bit_write(minus, encoded, BIT(15));
OSWriteBigInt16(outBuffer, 0, encoded);
return true;
}
}
}
return false;
}
static int FuseHFS_getxattr(const char *path, const char *name, char *value, size_t size,
uint32_t position) {
//dprintf("getxattr %s %s %p %lu %u\n", path, name, value, size, position);
// convert to hfs path
char *hfspath = mkhfspath(path);
if (hfspath == NULL) return -ENOENT;
// find file
hfsdirent ent;
if (hfs_stat(NULL, hfspath, &ent) == -1) {
free(hfspath);
return -ENOENT;
}
if (strcmp(name, XATTR_FINDERINFO_NAME) == 0) {
if (value == NULL) {
free(hfspath);
return 32;
}
if (size < 32) {
free(hfspath);
return -ERANGE;
}
// return finder info
if (ent.flags & HFS_ISDIR) {
// directory info
OSWriteBigInt16(value, 0, ent.u.dir.rect.top);
OSWriteBigInt16(value, 2, ent.u.dir.rect.left);
OSWriteBigInt16(value, 4, ent.u.dir.rect.bottom);
OSWriteBigInt16(value, 6, ent.u.dir.rect.right);
OSWriteBigInt16(value, 8, ent.fdflags);
OSWriteBigInt16(value, 10, ent.fdlocation.v);
OSWriteBigInt16(value, 12, ent.fdlocation.h);
OSWriteBigInt16(value, 14, ent.u.dir.view);
// DXInfo
OSWriteBigInt16(value, 16, ((DXInfo*)(ent.u.dir.xinfo))->frScroll.v);
OSWriteBigInt16(value, 18, ((DXInfo*)(ent.u.dir.xinfo))->frScroll.h);
OSWriteBigInt32(value, 20, ((DXInfo*)(ent.u.dir.xinfo))->frOpenChain);
OSWriteBigInt16(value, 24, ((DXInfo*)(ent.u.dir.xinfo))->frUnused);
OSWriteBigInt16(value, 26, ((DXInfo*)(ent.u.dir.xinfo))->frComment);
OSWriteBigInt32(value, 28, ((DXInfo*)(ent.u.dir.xinfo))->frPutAway);
} else {
// file info
memcpy(value, ent.u.file.type, 4);
memcpy(value+4, ent.u.file.creator, 4);
OSWriteBigInt16(value, 8, ent.fdflags);
OSWriteBigInt16(value, 10, ent.fdlocation.v);
OSWriteBigInt16(value, 12, ent.fdlocation.h);
OSWriteBigInt16(value, 14, ent.u.file.window);
// FXInfo
OSWriteBigInt16(value, 16, ((FXInfo*)(ent.u.file.xinfo))->fdIconID);
OSWriteBigInt16(value, 18, ((FXInfo*)(ent.u.file.xinfo))->fdUnused[0]);
OSWriteBigInt16(value, 20, ((FXInfo*)(ent.u.file.xinfo))->fdUnused[1]);
OSWriteBigInt16(value, 22, ((FXInfo*)(ent.u.file.xinfo))->fdUnused[2]);
OSWriteBigInt16(value, 24, ((FXInfo*)(ent.u.file.xinfo))->fdUnused[3]);
OSWriteBigInt16(value, 26, ((FXInfo*)(ent.u.file.xinfo))->fdComment);
OSWriteBigInt32(value, 28, ((FXInfo*)(ent.u.file.xinfo))->fdPutAway);
}
free(hfspath);
return 32;
} else if (strcmp(name, XATTR_RESOURCEFORK_NAME) == 0 && (!(ent.flags & HFS_ISDIR)) && ent.u.file.rsize) {
// resource fork
if (value == NULL) {
free(hfspath);
return ent.u.file.rsize-position;
}
int bw = ent.u.file.rsize-position;
if (bw > size) bw = size;
// copy resource fork
hfsfile *fp = hfs_open(NULL, hfspath);
hfs_setfork(fp, 1);
hfs_seek(fp, position, SEEK_SET);
hfs_read(fp, value, bw);
hfs_close(fp);
// the end
free(hfspath);
return bw;
}
free(hfspath);
dprintf("getxattr: ENOATTR\n");
return -ENOATTR;
}
