[gs-commits] ghostpdl branch, master, updated. jbig2dec-0.14-1797-g366ad48

The ghostpdl branch, master has been updated
       via  366ad48d076c1aa4c8f83c65011258a04e348207 (commit)
      from  ec065fd285f8064ac34cc160106dd730569ebc75 (commit)

----------------------------------------------------------------------
commit 366ad48d076c1aa4c8f83c65011258a04e348207
Author: Julian Smith <[email protected]>
Date:   Fri Nov 1 18:09:30 2019 +0000

    Bug 701815: avoid uninitialised bytes being >7, which broke indexing.
    
    Fixes:
        ./sanbin/gs -dBATCH -dNOPAUSE -sOutputFile=tmp -sDEVICE=jetp3852 ../bug-701815.pdf

diff --git a/devices/gdev3852.c b/devices/gdev3852.c
index b91aab5..d984fa1 100644
--- a/devices/gdev3852.c
+++ b/devices/gdev3852.c
@@ -69,6 +69,10 @@ jetp3852_print_page(gx_device_printer *pdev, gp_file *prn_stream)
     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 */
     gp_fputs("\033@",prn_stream);
 
@@ -99,10 +103,6 @@ jetp3852_print_page(gx_device_printer *pdev, gp_file *prn_stream)
                 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++


Summary of changes:
 devices/gdev3852.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)