2814             int sshift, dshift;  in png_do_read_interlace()  local
2826                dshift = (int)((final_width + 7) & 7);  in png_do_read_interlace()
2835                dshift = 7 - (int)((final_width + 7) & 7);  in png_do_read_interlace()
2846                   *dp &= (png_byte)((0x7f7f >> (7 - dshift)) & 0xff);  in png_do_read_interlace()
2847                   *dp |= (png_byte)(v << dshift);  in png_do_read_interlace()
2848                   if (dshift == s_end)  in png_do_read_interlace()
2850                      dshift = s_start;  in png_do_read_interlace()
2854                      dshift += s_inc;  in png_do_read_interlace()
2870             int sshift, dshift;  in png_do_read_interlace()  local
2880                dshift = (png_size_t)(((final_width + 3) & 3) << 1);  in png_do_read_interlace()
2889                dshift = (png_size_t)((3 - ((final_width + 3) & 3)) << 1);  in png_do_read_interlace()
2903                   *dp &= (png_byte)((0x3f3f >> (6 - dshift)) & 0xff);  in png_do_read_interlace()
2904                   *dp |= (png_byte)(v << dshift);  in png_do_read_interlace()
2905                   if (dshift == s_end)  in png_do_read_interlace()
2907                      dshift = s_start;  in png_do_read_interlace()
2911                      dshift += s_inc;  in png_do_read_interlace()
2927             int sshift, dshift;  in png_do_read_interlace()  local
2937                dshift = (png_size_t)(((final_width + 1) & 1) << 2);  in png_do_read_interlace()
2946                dshift = (png_size_t)((1 - ((final_width + 1) & 1)) << 2);  in png_do_read_interlace()
2960                   *dp &= (png_byte)((0xf0f >> (4 - dshift)) & 0xff);  in png_do_read_interlace()
2961                   *dp |= (png_byte)(v << dshift);  in png_do_read_interlace()
2962                   if (dshift == s_end)  in png_do_read_interlace()
2964                      dshift = s_start;  in png_do_read_interlace()
2968                      dshift += s_inc;  in png_do_read_interlace()
3551             int sshift, dshift;  in png_do_read_interlace()  local
3562                 dshift = (int)((final_width + 7) & 0x07);  in png_do_read_interlace()
3571                 dshift = 7 - (int)((final_width + 7) & 0x07);  in png_do_read_interlace()
3582                   *dp &= (png_byte)((0x7f7f >> (7 - dshift)) & 0xff);  in png_do_read_interlace()
3583                   *dp |= (png_byte)(v << dshift);  in png_do_read_interlace()
3584                   if (dshift == s_end)  in png_do_read_interlace()
3586                      dshift = s_start;  in png_do_read_interlace()
3590                      dshift += s_inc;  in png_do_read_interlace()
3606             int sshift, dshift;  in png_do_read_interlace()  local
3615                dshift = (int)(((final_width + 3) & 0x03) << 1);  in png_do_read_interlace()
3624                dshift = (int)((3 - ((final_width + 3) & 0x03)) << 1);  in png_do_read_interlace()
3638                   *dp &= (png_byte)((0x3f3f >> (6 - dshift)) & 0xff);  in png_do_read_interlace()
3639                   *dp |= (png_byte)(v << dshift);  in png_do_read_interlace()
3640                   if (dshift == s_end)  in png_do_read_interlace()
3642                      dshift = s_start;  in png_do_read_interlace()
3646                      dshift += s_inc;  in png_do_read_interlace()
3662             int sshift, dshift;  in png_do_read_interlace()  local
3671                dshift = (int)(((final_width + 1) & 0x01) << 2);  in png_do_read_interlace()
3680                dshift = (int)((1 - ((final_width + 1) & 0x01)) << 2);  in png_do_read_interlace()
3693                   *dp &= (png_byte)((0xf0f >> (4 - dshift)) & 0xff);  in png_do_read_interlace()
3694                   *dp |= (png_byte)(v << dshift);  in png_do_read_interlace()
3695                   if (dshift == s_end)  in png_do_read_interlace()
3697                      dshift = s_start;  in png_do_read_interlace()
3701                      dshift += s_inc;  in png_do_read_interlace()