diff options
Diffstat (limited to 'devices/gdevdjtc.c')
| -rw-r--r-- | devices/gdevdjtc.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/devices/gdevdjtc.c b/devices/gdevdjtc.c index fa4681af..5fb1a4ba 100644 --- a/devices/gdevdjtc.c +++ b/devices/gdevdjtc.c @@ -75,6 +75,7 @@ djet500c_print_page(gx_device_printer *pdev, gp_file *fprn) byte *plane3=NULL; int bitSize=0; int planeSize=0; + int code = 0; /* select the most compressed mode available & clear tmp storage */ /* put printer in known state */ @@ -122,7 +123,9 @@ djet500c_print_page(gx_device_printer *pdev, gp_file *fprn) { byte *endData; - gdev_prn_copy_scan_lines(pdev, lnum, bitData, lineSize); + code = gdev_prn_copy_scan_lines(pdev, lnum, bitData, lineSize); + if (code < 0) + goto xit; /* Identify and skip blank lines */ endData = bitData + lineSize; @@ -149,6 +152,10 @@ djet500c_print_page(gx_device_printer *pdev, gp_file *fprn) plane1=(byte*)malloc(planeSize+8); plane2=(byte*)malloc(planeSize+8); plane3=(byte*)malloc(planeSize+8); + if (plane1 == NULL || plane2 == NULL || plane3 == NULL) { + code = gs_error_VMerror; + goto xit; + } } /* Transpose the data to get pixel planes. */ for (k=i=0; k<lineLen; i+=8, k++) @@ -207,13 +214,14 @@ djet500c_print_page(gx_device_printer *pdev, gp_file *fprn) /* eject page */ gp_fputs("\033&l0H", fprn); +xit: /* release allocated memory */ if (bitData) free(bitData); if (plane1) free(plane1); if (plane2) free(plane2); if (plane3) free(plane3); - return 0; + return code; } /* |