23 #define HAVE_IP(x)      ((size_t)(ip_end - ip) >= (size_t)(x))
43 	const unsigned char *ip;  in lzo1x_decompress_safe()  local
53 	ip = in;  in lzo1x_decompress_safe()
58 	if (likely(in_len >= 5) && likely(*ip == 17)) {  in lzo1x_decompress_safe()
59 		bitstream_version = ip[1];  in lzo1x_decompress_safe()
60 		ip += 2;  in lzo1x_decompress_safe()
65 	if (*ip > 17) {  in lzo1x_decompress_safe()
66 		t = *ip++ - 17;  in lzo1x_decompress_safe()
75 		t = *ip++;  in lzo1x_decompress_safe()
80 					const unsigned char *ip_last = ip;  in lzo1x_decompress_safe()
82 					while (unlikely(*ip == 0)) {  in lzo1x_decompress_safe()
83 						ip++;  in lzo1x_decompress_safe()
86 					offset = ip - ip_last;  in lzo1x_decompress_safe()
91 					t += offset + 15 + *ip++;  in lzo1x_decompress_safe()
97 					const unsigned char *ie = ip + t;  in lzo1x_decompress_safe()
100 						COPY8(op, ip);  in lzo1x_decompress_safe()
102 						ip += 8;  in lzo1x_decompress_safe()
103 						COPY8(op, ip);  in lzo1x_decompress_safe()
105 						ip += 8;  in lzo1x_decompress_safe()
106 					} while (ip < ie);  in lzo1x_decompress_safe()
107 					ip = ie;  in lzo1x_decompress_safe()
115 						*op++ = *ip++;  in lzo1x_decompress_safe()
124 				m_pos -= *ip++ << 2;  in lzo1x_decompress_safe()
135 				m_pos -= *ip++ << 2;  in lzo1x_decompress_safe()
142 			m_pos -= *ip++ << 3;  in lzo1x_decompress_safe()
148 				const unsigned char *ip_last = ip;  in lzo1x_decompress_safe()
150 				while (unlikely(*ip == 0)) {  in lzo1x_decompress_safe()
151 					ip++;  in lzo1x_decompress_safe()
154 				offset = ip - ip_last;  in lzo1x_decompress_safe()
159 				t += offset + 31 + *ip++;  in lzo1x_decompress_safe()
163 			next = get_unaligned_le16(ip);  in lzo1x_decompress_safe()
164 			ip += 2;  in lzo1x_decompress_safe()
169 			next = get_unaligned_le16(ip);  in lzo1x_decompress_safe()
175 				t |= ip[2] << 3;  in lzo1x_decompress_safe()
181 				ip += 3;  in lzo1x_decompress_safe()
189 					const unsigned char *ip_last = ip;  in lzo1x_decompress_safe()
191 					while (unlikely(*ip == 0)) {  in lzo1x_decompress_safe()
192 						ip++;  in lzo1x_decompress_safe()
195 					offset = ip - ip_last;  in lzo1x_decompress_safe()
200 					t += offset + 7 + *ip++;  in lzo1x_decompress_safe()
202 					next = get_unaligned_le16(ip);  in lzo1x_decompress_safe()
204 				ip += 2;  in lzo1x_decompress_safe()
228 					COPY4(op, ip);  in lzo1x_decompress_safe()
230 					ip += next;  in lzo1x_decompress_safe()
257 			COPY4(op, ip);  in lzo1x_decompress_safe()
259 			ip += t;  in lzo1x_decompress_safe()
266 				*op++ = *ip++;  in lzo1x_decompress_safe()
275 		ip == ip_end ? LZO_E_OK :  in lzo1x_decompress_safe()
276 		ip <  ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN);  in lzo1x_decompress_safe()