boot/loader/vfs.cpp

56 		ssize_t ReadAt(off_t pos, void *buffer, size_t bufferSize);
57 		ssize_t Read(void *buffer, size_t bufferSize);
58 		ssize_t WriteAt(off_t pos, const void *buffer, size_t bufferSize);
59 		ssize_t Write(const void *buffer, size_t bufferSize);
117 Node::ReadLink(char* buffer, size_t bufferSize)
124 Node::GetName(char *nameBuffer, size_t bufferSize) const
200 ConsoleNode::Read(void *buffer, size_t bufferSize)
202 	return ReadAt(NULL, -1, buffer, bufferSize);
207 ConsoleNode::Write(const void *buffer, size_t bufferSize)
209 	return WriteAt(NULL, -1, buffer, bufferSize);
223 Directory::ReadAt(void *cookie, off_t pos, void *buffer, size_t bufferSize)
230 Directory::WriteAt(void *cookie, off_t pos, const void *buffer, size_t bufferSize)
307 MemoryDisk::ReadAt(void* cookie, off_t pos, void* buffer, size_t bufferSize)
314 	if (pos + bufferSize > fSize)
315 		bufferSize = fSize - pos;
317 	memcpy(buffer, fData + pos, bufferSize);
318 	return bufferSize;
324 	size_t bufferSize)
338 MemoryDisk::GetName(char *nameBuffer, size_t bufferSize) const
343 	strlcpy(nameBuffer, fName, bufferSize);
367 Descriptor::Read(void *buffer, size_t bufferSize)
369 	ssize_t bytesRead = fNode->ReadAt(fCookie, fOffset, buffer, bufferSize);
378 Descriptor::ReadAt(off_t pos, void *buffer, size_t bufferSize)
380 	return fNode->ReadAt(fCookie, pos, buffer, bufferSize);
385 Descriptor::Write(const void *buffer, size_t bufferSize)
387 	ssize_t bytesWritten = fNode->WriteAt(fCookie, fOffset, buffer, bufferSize);
396 Descriptor::WriteAt(off_t pos, const void *buffer, size_t bufferSize)
398 	return fNode->WriteAt(fCookie, pos, buffer, bufferSize);
947 read_pos(int fd, off_t offset, void *buffer, size_t bufferSize)
953 	RETURN_AND_SET_ERRNO(descriptor->ReadAt(offset, buffer, bufferSize));
958 pread(int fd, void* buffer, size_t bufferSize, off_t offset)
960 	return read_pos(fd, offset, buffer, bufferSize);
965 read(int fd, void *buffer, size_t bufferSize)
971 	RETURN_AND_SET_ERRNO(descriptor->Read(buffer, bufferSize));
976 write_pos(int fd, off_t offset, const void *buffer, size_t bufferSize)
982 	RETURN_AND_SET_ERRNO(descriptor->WriteAt(offset, buffer, bufferSize));
987 pwrite(int fd, const void* buffer, size_t bufferSize, off_t offset)
989 	return write_pos(fd, offset, buffer, bufferSize);
994 write(int fd, const void *buffer, size_t bufferSize)
1000 	RETURN_AND_SET_ERRNO(descriptor->Write(buffer, bufferSize));