Potential fix for code scanning alert no. 7126: Multiplication result converted to larger type

.github/codeql/codeql-config.yml

@@ -6,3 +6,5 @@ paths-ignore:
   - dist.*
   - node_modules
   - python/grass/pygrass/tests
+queries:
+  - uses: security-extended

.github/workflows/codeql-analysis.yml

@@ -28,10 +28,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language:
-          - c-cpp
-          - python
-          - actions
+        include:
+          - language: c-cpp
+            build-mode: none
+          - language: python
+            build-mode: none
+          - language: actions
+            build-mode: none
 
     concurrency:
       group: ${{ github.workflow }}-${{
@@ -49,7 +52,7 @@ jobs:
         with:
           python-version: "3.x"
       - name: Install non-Python dependencies
-        if: ${{ matrix.language == 'c-cpp' }}
+        if: ${{ matrix.language == 'c-cpp' && false }}
         run: |
           sudo apt-get update -y
           sudo apt-get install -y wget git gawk findutils
@@ -65,6 +68,7 @@ jobs:
         with:
           languages: ${{ matrix.language }}
           config-file: ./.github/codeql/codeql-config.yml
+          build-mode: ${{ matrix.build-mode }}
 
       - name: Create installation directory
         run: |
@@ -79,7 +83,7 @@ jobs:
           echo "MAKEFLAGS=-j$(nproc)" >> "${GITHUB_ENV}"
 
       - name: Build
-        if: ${{ matrix.language == 'c-cpp' }}
+        if: ${{ matrix.language == 'c-cpp' && false }}
         env:
           CFLAGS: -std=gnu17
           CXXFLAGS: -std=c++17

raster3d/r3.showdspf/draw_cappolys_ogl.c

@@ -66,7 +66,7 @@ int index;
         norm[0] = norm[2] = 0.0;
         for (t = start; t != stop; t += direction) {
             tmpvt[t][0] = (vertices[t << 1] + xloc) * D_spec->xscale;
-            tmpvt[t][1] = (D_Cap->z) * D_spec->yscale;
+            tmpvt[t][1] = ((double) D_Cap->z) * D_spec->yscale;
             tmpvt[t][2] = (vertices[(t << 1) + 1] + yloc) * D_spec->zscale;
         }
         break;