104 #define TEST_LOOKBEHIND(m_pos,out)    if (m_pos < out) goto lookbehind_overrun  argument
157 	register const lzo_byte *m_pos;  in lzo1x_decompress()  local
242 		m_pos = op - (1 + M2_MAX_OFFSET);  in lzo1x_decompress()
243 		m_pos -= t >> 2;  in lzo1x_decompress()
244 		m_pos -= *ip++ << 2;  in lzo1x_decompress()
245 		TEST_LOOKBEHIND (m_pos, out);  in lzo1x_decompress()
247 		*op++ = *m_pos++;  in lzo1x_decompress()
248 		*op++ = *m_pos++;  in lzo1x_decompress()
249 		*op++ = *m_pos;  in lzo1x_decompress()
258 				m_pos = op - 1;  in lzo1x_decompress()
259 				m_pos -= (t >> 2) & 7;  in lzo1x_decompress()
260 				m_pos -= *ip++ << 3;  in lzo1x_decompress()
262 				TEST_LOOKBEHIND (m_pos, out);  in lzo1x_decompress()
282 				m_pos = op - 1;  in lzo1x_decompress()
283 				m_pos -= (ip[0] >> 2) + (ip[1] << 6);  in lzo1x_decompress()
289 				m_pos = op;  in lzo1x_decompress()
290 				m_pos -= (t & 8) << 11;  in lzo1x_decompress()
305 				m_pos -= (ip[0] >> 2) + (ip[1] << 6);  in lzo1x_decompress()
308 				if (m_pos == op)  in lzo1x_decompress()
310 				m_pos -= 0x4000;  in lzo1x_decompress()
315 				m_pos = op - 1;  in lzo1x_decompress()
316 				m_pos -= t >> 2;  in lzo1x_decompress()
317 				m_pos -= *ip++ << 2;  in lzo1x_decompress()
318 				TEST_LOOKBEHIND (m_pos, out);  in lzo1x_decompress()
320 				*op++ = *m_pos++;  in lzo1x_decompress()
321 				*op++ = *m_pos;  in lzo1x_decompress()
326 			TEST_LOOKBEHIND (m_pos, out);  in lzo1x_decompress()
329 			    && PTR_ALIGNED2_4 (op, m_pos))  in lzo1x_decompress()
331 				COPY4 (op, m_pos);  in lzo1x_decompress()
333 				m_pos += 4;  in lzo1x_decompress()
337 					COPY4 (op, m_pos);  in lzo1x_decompress()
339 					m_pos += 4;  in lzo1x_decompress()
345 						*op++ = *m_pos++;  in lzo1x_decompress()
352 				*op++ = *m_pos++;  in lzo1x_decompress()
353 				*op++ = *m_pos++;  in lzo1x_decompress()
355 					*op++ = *m_pos++;  in lzo1x_decompress()