diff options
Diffstat (limited to 'devices/gdev8510.c')
| -rw-r--r-- | devices/gdev8510.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/devices/gdev8510.c b/devices/gdev8510.c index 7d235b5f..a7b16b54 100644 --- a/devices/gdev8510.c +++ b/devices/gdev8510.c @@ -68,9 +68,13 @@ m8510_print_page(gx_device_printer *pdev, gp_file *prn_stream) while ( lnum < pdev->height ) { /* get a raster */ for (i = 7; i >= 0; i--) { - gdev_prn_copy_scan_lines(pdev, lnum, &in1[i*line_size], line_size); + code = gdev_prn_copy_scan_lines(pdev, lnum, &in1[i*line_size], line_size); + if (code < 0) + goto out; lnum++; - gdev_prn_copy_scan_lines(pdev, lnum, &in2[i*line_size], line_size); + code = gdev_prn_copy_scan_lines(pdev, lnum, &in2[i*line_size], line_size); + if (code < 0) + goto out; lnum++; } @@ -107,7 +111,7 @@ static void m8510_output_run(gx_device_printer *pdev, byte *out, int pass, gp_file *prn_stream) { - byte *out_end = out + pdev->width; + byte *out_end = out + ((pdev->width + 7) & -8); /* round up to multiple of 8 */ char tmp[10]; int count; @@ -128,7 +132,7 @@ m8510_output_run(gx_device_printer *pdev, /* Transfer the line of data. */ count = out_end - out; - if (count) { + if (count > 0) { gs_sprintf(tmp, "\033g%03d", count/8); gp_fwrite(tmp, 1, 5, prn_stream); gp_fwrite(out, 1, count, prn_stream); |