110         u8 *op = (u8 *)out_data;  in lzf_compress()  local
112         u8 *out_end = op + out_len;  in lzf_compress()
137   lit = 0; op++; /* start run */  in lzf_compress()
167           if (expect_false (op + 3 + 1 >= out_end)) /* first a faster conservative test */  in lzf_compress()
168             if (op - !lit + 3 + 1 >= out_end) /* second the exact but rare test */  in lzf_compress()
171           op [- lit - 1] = lit - 1; /* stop run */  in lzf_compress()
172           op -= !lit; /* undo run if length is zero */  in lzf_compress()
211               *op++ = (off >> 8) + (len << 5);  in lzf_compress()
215               *op++ = (off >> 8) + (  7 << 5);  in lzf_compress()
216               *op++ = len - 7;  in lzf_compress()
219           *op++ = off;  in lzf_compress()
221           lit = 0; op++; /* start run */  in lzf_compress()
259           if (expect_false (op >= out_end))  in lzf_compress()
262           lit++; *op++ = *ip++;  in lzf_compress()
266               op [- lit - 1] = lit - 1; /* stop run */  in lzf_compress()
267               lit = 0; op++; /* start run */  in lzf_compress()
272   if (op + 3 > out_end) /* at most 3 bytes can be missing here */  in lzf_compress()
277       lit++; *op++ = *ip++;  in lzf_compress()
281           op [- lit - 1] = lit - 1; /* stop run */  in lzf_compress()
282           lit = 0; op++; /* start run */  in lzf_compress()
286   op [- lit - 1] = lit - 1; /* end run */  in lzf_compress()
287   op -= !lit; /* undo run if length is zero */  in lzf_compress()
289   return op - (u8 *)out_data;  in lzf_compress()