diff options
| -rw-r--r-- | contrib/gdevlx7.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/contrib/gdevlx7.c b/contrib/gdevlx7.c index 9f0f127b5..37f9697fb 100644 --- a/contrib/gdevlx7.c +++ b/contrib/gdevlx7.c @@ -581,6 +581,7 @@ lxmgen_print_page(gx_device_printer *pdev, gp_file *prn_stream) int lr_shift=((lxm_device*)pdev)->headSeparation; byte *obp[LX7_BSW_H]; /* pointers to buffer lines */ int bufHeight; + int code = 0; /* initiate vres mapping variable */ vres=LXR_600; /* default vertical resolution */ @@ -689,19 +690,24 @@ lxmgen_print_page(gx_device_printer *pdev, gp_file *prn_stream) int c1200; /* testing empty line for 1200dpi... */ /* copy one line & test for all zeroes */ - gdev_prn_get_bits(pdev, pheight-prest, /* current line No. */ + code = gdev_prn_get_bits(pdev, pheight-prest, /* current line No. */ pbuf, /* our buffer if needed */ &ppbuf); /* returns pointer to scanline * either our buffer or * gs internal data buffer */ + if (code < 0) + goto error; + if (vres==LXR_1200 && (pheight-prest+LXH_DSKIP1<pheight)) { - gdev_prn_get_bits(pdev, pheight-prest+LXH_DSKIP1, + code = gdev_prn_get_bits(pdev, pheight-prest+LXH_DSKIP1, /* current line No. */ pbuf+bwidth, /* our buffer if needed */ &ppbuf2); c1200=LX_LINE_EMPTY(ppbuf2,bwidth); + if (code < 0) + goto error; } else c1200=1; @@ -791,13 +797,14 @@ lxmgen_print_page(gx_device_printer *pdev, gp_file *prn_stream) /* eject page */ lex_eject(prn_stream); +error: gs_free(pdev->memory->non_gc_memory, (char*)pbuf,rpbufsize, 1, "lxmgen_print_page(pbuf)"); gs_free(pdev->memory->non_gc_memory, (char*)outbuf,OUT_BUF_SIZE, 1, "lxmgen_print_page(outbuf)"); #ifdef DEBUG dprintf1("[%s] print_page() end\n",pdev->dname); #endif - return 0; + return code; } static int |