diff --git a/devices/gdev3852.c b/devices/gdev3852.c
index 2bee8ec..9d99068 100644
--- a/devices/gdev3852.c
+++ b/devices/gdev3852.c
@@ -62,116 +62,117 @@ jetp3852_print_page(gx_device_printer *pdev, FILE *prn_stream)
#define DATA_SIZE (LINE_SIZE * 8)
unsigned int cnt_2prn;
- unsigned int count,tempcnt;
- unsigned char vtp,cntc1,cntc2;
- int line_size_color_plane;
-
- byte data[DATA_SIZE];
- byte plane_data[LINE_SIZE * 3];
-
- /* Set initial condition for printer */
- fputs("\033@",prn_stream);
-
- /* Send each scan line in turn */
- { int lnum;
- int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
- int num_blank_lines = 0;
-
- if (line_size > DATA_SIZE) {
- emprintf2(pdev->memory, "invalid resolution and/or width gives line_size = %d, max. is %d\n",
- line_size, DATA_SIZE);
- return_error(gs_error_rangecheck);
- }
-
- for ( lnum = 0; lnum < pdev->height; lnum++ )
- { byte *end_data = data + line_size;
- gdev_prn_copy_scan_lines(pdev, lnum,
- (byte *)data, line_size);
- /* Remove trailing 0s. */
- while ( end_data > data && end_data[-1] == 0 )
- end_data--;
- if ( end_data == data )
- { /* Blank line */
- num_blank_lines++;
- }
- else
- { int i;
- byte *odp;
- byte *row;
-
- /* Pad with 0s to fill out the last */
- /* block of 8 bytes. */
- memset(end_data, 0, 7);
-
- /* Transpose the data to get pixel planes. */
- for ( i = 0, odp = plane_data; i < DATA_SIZE;
- i += 8, odp++
- )
- { /* The following is for 16-bit machines */
+ unsigned int count,tempcnt;
+ unsigned char vtp,cntc1,cntc2;
+ int line_size_color_plane;
+
+ byte data[DATA_SIZE];
+ byte plane_data[LINE_SIZE * 3];
+
+ /* Initialise data to zeros, otherwise later on, uninitialised bytes in
+ dp[] can be greater than 7, which breaks spr8[dp[]]. */
+ memset(data, 0x00, DATA_SIZE);
+
+
+ /* Set initial condition for printer */
+ fputs("\033@",prn_stream);
+
+ /* Send each scan line in turn */
+ { int lnum;
+ int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
+ int num_blank_lines = 0;
+
+ if (line_size > DATA_SIZE) {
+ emprintf2(pdev->memory, "invalid resolution and/or width gives line_size = %d, max. is %d\n",
+ line_size, DATA_SIZE);
+ return_error(gs_error_rangecheck);
+ }
+
+ for ( lnum = 0; lnum < pdev->height; lnum++ )
+ { byte *end_data = data + line_size;
+ gdev_prn_copy_scan_lines(pdev, lnum,
+ (byte *)data, line_size);
+ /* Remove trailing 0s. */
+ while ( end_data > data && end_data[-1] == 0 )
+ end_data--;
+ if ( end_data == data )
+ { /* Blank line */
+ num_blank_lines++;
+ }
+ else
+ { int i;
+ byte *odp;
+ byte *row;
+
+ /* Transpose the data to get pixel planes. */
+ for ( i = 0, odp = plane_data; i < DATA_SIZE;
+ i += 8, odp++
+ )
+ { /* The following is for 16-bit machines */
#define spread3(c)\
{ 0, c, c*0x100, c*0x101, c*0x10000L, c*0x10001L, c*0x10100L, c*0x10101L }
- static ulong spr40[8] = spread3(0x40);
- static ulong spr8[8] = spread3(8);
- static ulong spr2[8] = spread3(2);
- register byte *dp = data + i;
- register ulong pword =
- (spr40[dp[0]] << 1) +
- (spr40[dp[1]]) +
- (spr40[dp[2]] >> 1) +
- (spr8[dp[3]] << 1) +
- (spr8[dp[4]]) +
- (spr8[dp[5]] >> 1) +
- (spr2[dp[6]]) +
- (spr2[dp[7]] >> 1);
- odp[0] = (byte)(pword >> 16);
- odp[LINE_SIZE] = (byte)(pword >> 8);
- odp[LINE_SIZE*2] = (byte)(pword);
- }
- /* Skip blank lines if any */
- if ( num_blank_lines > 0 )
- {
- /* Do "dot skips" */
- while(num_blank_lines > 255)
- {
- fputs("\033e\377",prn_stream);
- num_blank_lines -= 255;
- }
- vtp = num_blank_lines;
- fprintf(prn_stream,"\033e%c",vtp);
- num_blank_lines = 0;
- }
-
- /* Transfer raster graphics in the order R, G, B. */
- /* Apparently it is stored in B, G, R */
- /* Calculate the amount of data to send by what */
- /* Ghostscript tells us the scan line_size in (bytes) */
-
- count = line_size / 3;
- line_size_color_plane = count / 3;
- cnt_2prn = line_size_color_plane * 3 + 5;
- tempcnt = cnt_2prn;
- cntc1 = (tempcnt & 0xFF00) >> 8;
- cntc2 = (tempcnt & 0x00FF);
- fprintf(prn_stream, "\033[O%c%c\200\037",cntc2,cntc1);
- fputc('\000',prn_stream);
+ static ulong spr40[8] = spread3(0x40);
+ static ulong spr8[8] = spread3(8);
+ static ulong spr2[8] = spread3(2);
+ register byte *dp = data + i;
+ register ulong pword =
+ (spr40[dp[0]] << 1) +
+ (spr40[dp[1]]) +
+ (spr40[dp[2]] >> 1) +
+ (spr8[dp[3]] << 1) +
+ (spr8[dp[4]]) +
+ (spr8[dp[5]] >> 1) +
+ (spr2[dp[6]]) +
+ (spr2[dp[7]] >> 1);
+ odp[0] = (byte)(pword >> 16);
+ odp[LINE_SIZE] = (byte)(pword >> 8);
+ odp[LINE_SIZE*2] = (byte)(pword);
+ }
+ /* Skip blank lines if any */
+ if ( num_blank_lines > 0 )
+ {
+ /* Do "dot skips" */
+ while(num_blank_lines > 255)
+ {
+ fputs("\033e\377",prn_stream);
+ num_blank_lines -= 255;
+ }
+ vtp = num_blank_lines;
+ fprintf(prn_stream,"\033e%c",vtp);
+ num_blank_lines = 0;
+ }
+
+ /* Transfer raster graphics in the order R, G, B. */
+ /* Apparently it is stored in B, G, R */
+ /* Calculate the amount of data to send by what */
+ /* Ghostscript tells us the scan line_size in (bytes) */
+
+ count = line_size / 3;
+ line_size_color_plane = count / 3;
+ cnt_2prn = line_size_color_plane * 3 + 5;
+ tempcnt = cnt_2prn;
+ cntc1 = (tempcnt & 0xFF00) >> 8;
+ cntc2 = (tempcnt & 0x00FF);
+ fprintf(prn_stream, "\033[O%c%c\200\037",cntc2,cntc1);
+ fputc('\000',prn_stream);
fputs("\124\124",prn_stream);
- for ( row = plane_data + LINE_SIZE * 2, i = 0;
- i < 3; row -= LINE_SIZE, i++ )
- { int jj;
- byte ctemp;
- odp = row;
- /* Complement bytes */
- for (jj=0; jj< line_size_color_plane; jj++)
- { ctemp = *odp;
- *odp++ = ~ctemp;
- }
- fwrite(row, sizeof(byte),
- line_size_color_plane, prn_stream);
- }
- }
- }
- }
+ for ( row = plane_data + LINE_SIZE * 2, i = 0;
+ i < 3; row -= LINE_SIZE, i++ )
+ { int jj;
+ byte ctemp;
+ odp = row;
+ /* Complement bytes */
+ for (jj=0; jj< line_size_color_plane; jj++)
+ { ctemp = *odp;
+ *odp++ = ~ctemp;
+ }
+ fwrite(row, sizeof(byte),
+ line_size_color_plane, prn_stream);
+ }
+ }
+ }
+ }
/* eject page */
fputs("\014", prn_stream);