New Ghostscript/GhostPDL compiler warnings - 2017-10-06-20:00:02 - 8d2a3a5b0f8280449d75ea99ddcadb69259370b6

Previous Revision: ab6acb21bfc42194650ff90243e0737b43d81919
 Current Revision: 8d2a3a5b0f8280449d75ea99ddcadb69259370b6

commit 8d2a3a5b0f8280449d75ea99ddcadb69259370b6
Author:     Robin Watts <[email protected]>
AuthorDate: Tue Oct 3 18:09:05 2017 +0100
CommitDate: Thu Oct 5 19:43:57 2017 +0100

    Tweak art_pdf_recomposite_group_8.
    
    Avoid having to memcpy the input components in the common case,
    at the expense of corrupting src[n_chan] in the difficult
    case. This is fine, because our only caller never accesses
    src[n_chan] again.

base/gxblend.c
base/gxblend.h
base/gxblend1.c



Ghostscript:

new scan-build warnings:

./base/gxblend1.c:548:29: warning: Access to field 'rowstride' results in a dereference of a null pointer (loaded from variable 'maskbuf')
            mask_row_ptr += maskbuf->rowstride;
                            ^~~~~~~~~~~~~~~~~~


http://miles.ghostscript.com:8080/artifex/8d2a3a5b0f8280449d75ea99ddcadb69259370b6/gs/index.html

http://miles.ghostscript.com:8080/artifex/8d2a3a5b0f8280449d75ea99ddcadb69259370b6/gs-scan-build.txt




GhostPCL:

new scan-build warnings:

./base/gxblend1.c:548:29: warning: Access to field 'rowstride' results in a dereference of a null pointer (loaded from variable 'maskbuf')
            mask_row_ptr += maskbuf->rowstride;
                            ^~~~~~~~~~~~~~~~~~


http://miles.ghostscript.com:8080/artifex/8d2a3a5b0f8280449d75ea99ddcadb69259370b6/pcl/index.html

http://miles.ghostscript.com:8080/artifex/8d2a3a5b0f8280449d75ea99ddcadb69259370b6/pcl-scan-build.txt