Merge branch 'mjtrangoni-WIP-add-cppcheck' into 3.6.x

.travis.yml

@@ -9,11 +9,24 @@ matrix:
       addons:
         apt:
           sources:
+            - sourceline: 'deb http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse'
             - ubuntu-toolchain-r-test
           packages:
-            - g++-4.9
+            - cppcheck/trusty-backports
+            # imake
+            - xutils-dev
+            # X11 libaries
+            - libxcomposite-dev
+            - libxfont-dev
+            - libxinerama-dev
+            - libxrandr-dev
+            - libxtst-dev
+            - x11proto-fonts-dev
+
       env:
-         - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"
+        - MATRIX_EVAL="CC=gcc && CXX=g++"
+        - STATIC_ANALYSIS="yes"
+      fail_fast: true
 
     - os: linux
       addons:
@@ -21,9 +34,20 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
           packages:
-            - g++-7
+            - g++-8
+            # imake
+            - xutils-dev
+            # X11 libaries
+            - libxcomposite-dev
+            - libxfont-dev
+            - libxinerama-dev
+            - libxrandr-dev
+            - libxtst-dev
+            - x11proto-fonts-dev
+
       env:
-        - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"
+        - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"
+        - STATIC_ANALYSIS="no"
 
     - os: linux
       addons:
@@ -32,25 +56,47 @@ matrix:
             - llvm-toolchain-trusty-3.9
           packages:
             - clang-3.9
+            # imake
+            - xutils-dev
+            # X11 libaries
+            - libxcomposite-dev
+            - libxfont-dev
+            - libxinerama-dev
+            - libxrandr-dev
+            - libxtst-dev
+            - x11proto-fonts-dev
+
       env:
         - MATRIX_EVAL="CC=clang-3.9 && CXX=clang++-3.9"
+        - STATIC_ANALYSIS="no"
 
     - os: linux
       addons:
         apt:
           sources:
-            - llvm-toolchain-trusty-5.0
+            - llvm-toolchain-trusty-6.0
+            - ubuntu-toolchain-r-test
           packages:
-            - clang-5.0
+            - clang-6.0
+            - g++-4.9
+            # imake
+            - xutils-dev
+            # X11 libaries
+            - libxcomposite-dev
+            - libxfont-dev
+            - libxinerama-dev
+            - libxrandr-dev
+            - libxtst-dev
+            - x11proto-fonts-dev
+
       env:
-        - MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0"
+        - MATRIX_EVAL="CC=clang-6.0 && CXX=clang++-6.0"
+        - STATIC_ANALYSIS="no"
 
 before_install:
-  - sudo apt-get update -qq
-  # imake
-  - sudo apt-get install -y xutils-dev
-  # X11 libaries
-  - sudo apt-get install -y libxcomposite-dev libxfont-dev libxinerama-dev libxrandr-dev libxtst-dev x11proto-fonts-dev
    - eval "${MATRIX_EVAL}"
 script:
+   # run static analysis tools
+   - ./run-static-analysis.sh
+   # build all packages
    - make

doc/libNX_X11/lcUniConv/8bit_tab_to_h.c

@@ -121,9 +121,15 @@ int main (int argc, char *argv[])
 
     {
       char* fname = malloc(strlen(directory)+strlen(filename)+1);
+      if (fname == NULL)
+      {
+        printf("malloc failed\n");
+        exit(1);
+      }
       strcpy(fname,directory); strcat(fname,filename);
       f = fopen(fname,"w");
       if (f == NULL)
+        free(fname);
         exit(1);
     }
 

nx-X11/lib/include/xtrans/Xtrans.c

@@ -980,9 +980,10 @@ TRANS(GetMyAddr) (XtransConnInfo ciptr, int *familyp, int *addrlenp,
     {
        prmsg (1,"GetMyAddr: malloc failed\n");
        return -1;
-    }
+    } else {
        memcpy(*addrp, ciptr->addr, ciptr->addrlen);
-
+       free(addrp);
+    }
     return 0;
 }
 #endif
@@ -1003,7 +1004,7 @@ TRANS(GetPeerAddr) (XtransConnInfo ciptr, int *familyp, int *addrlenp,
         return -1;
     }
     memcpy(*addrp, ciptr->peeraddr, ciptr->peeraddrlen);
-
+    free(addrp);
     return 0;
 }
 

nx-X11/lib/include/xtrans/Xtranssock.c

@@ -2454,7 +2454,6 @@ SocketUNIXConnectPost:
     ciptr->peeraddrlen = namelen;
     memcpy (ciptr->addr, &sockname, ciptr->addrlen);
     memcpy (ciptr->peeraddr, &sockname, ciptr->peeraddrlen);
-
     return 0;
 }
 

nx-X11/programs/Xserver/Xi/exevents.c

@@ -656,6 +656,7 @@ AddExtensionClient(WindowPtr pWin, ClientPtr client, Mask mask, int mskidx)
     if (!others)
 	return BadAlloc;
     if (!pWin->optional->inputMasks && !MakeInputMasks(pWin))
+	free(others);
 	return BadAlloc;
     bzero((char *)&others->mask[0], sizeof(Mask) * EMASKSIZE);
     others->mask[mskidx] = mask;

nx-X11/programs/Xserver/dix/cursor.c

@@ -371,6 +371,7 @@ AllocGlyphCursor(Font source, unsigned sourceChar, Font mask, unsigned maskChar,
 	    if (!pShare)
 	    {
 		FreeCursorBits(bits);
+		free(pCurs);
 		return BadAlloc;
 	    }
 	    pShare->font = sourcefont;

nx-X11/programs/Xserver/hw/nxagent/NXmiexpose.c

@@ -629,10 +629,12 @@ int what;
 	    screenContext[i] = CreateGC((DrawablePtr)pWin, (BITS32) 0,
 					(XID *)NULL, &status);
 	    if (!screenContext[i])
+		free(prect);
 		return;
 	    numGCs++;
 	    if (!AddResource(FakeClientID(0), ResType,
 				    (void *)screenContext[i]))
+		free(prect);
 		return;
 	}
 	pGC = screenContext[i];

nx-X11/programs/Xserver/hw/nxagent/NXrender.c

@@ -995,6 +995,7 @@ ProcRenderCompositeGlyphs (ClientPtr client)
     {
 	listsBase = (GlyphListPtr) malloc (nlist * sizeof (GlyphListRec));
 	if (!listsBase)
+	    free(glyphsBase);
 	    return BadAlloc;
     }
 

nx-X11/programs/Xserver/hw/nxagent/compext/Png.c

@@ -283,6 +283,7 @@ char *PngCompressData(XImage *image, int *compressed_size)
                 bitsPerPixel);
     #endif
 
+    free(image_index);
     return NULL;
   }
 
@@ -315,6 +316,7 @@ char *PngCompressData(XImage *image, int *compressed_size)
     fprintf(stderr, "******PngCompressData: PANIC! Failed creating the png_create_write_struct.\n");
     #endif
 
+    free(image_index);
     return NULL;
   }
 
@@ -327,7 +329,7 @@ char *PngCompressData(XImage *image, int *compressed_size)
     #endif
 
     png_destroy_write_struct(&png_ptr, NULL);
-
+    free(image_index);
     return NULL;
   }
 
@@ -339,6 +341,7 @@ char *PngCompressData(XImage *image, int *compressed_size)
 
     png_destroy_write_struct(&png_ptr, &info_ptr);
 
+    free(image_index);
     return NULL;
   }
 
@@ -360,6 +363,7 @@ char *PngCompressData(XImage *image, int *compressed_size)
                 PNG_DEST_SIZE(w, h));
     #endif
 
+    free(image_index);
     return NULL;
   }
 
@@ -374,7 +378,6 @@ char *PngCompressData(XImage *image, int *compressed_size)
     png_destroy_write_struct(&png_ptr, &info_ptr);
 
     free(pngCompBuf);
-
     return NULL;
   }
 
@@ -470,7 +473,7 @@ char *PngCompressData(XImage *image, int *compressed_size)
     png_destroy_write_struct(&png_ptr, &info_ptr);
 
     free(pngCompBuf);
-
+    free(image_index);
     return NULL;
   }
 
@@ -484,7 +487,7 @@ char *PngCompressData(XImage *image, int *compressed_size)
       fprintf(stderr, "******PngCompressData: PANIC! Cannot allocate [%d] bytes.\n",
                   (int) (w * sizeof(CARD8)));
       #endif
-
+      free(image_index);
       return NULL;
     }
 
@@ -516,7 +519,7 @@ char *PngCompressData(XImage *image, int *compressed_size)
     #endif
 
     free(pngCompBuf);
-
+    free(image_index);
     return NULL;
   }
 

nx-X11/programs/Xserver/mi/miexpose.c

@@ -766,10 +766,12 @@ int what;
 	    screenContext[i] = CreateGC((DrawablePtr)pWin, (BITS32) 0,
 					(XID *)NULL, &status);
 	    if (!screenContext[i])
+		free(prect);
 		return;
 	    numGCs++;
 	    if (!AddResource(FakeClientID(0), ResType,
 			     (void *)screenContext[i]))
+		free(prect);
 		return;
 	}
 	pGC = screenContext[i];

nx-X11/programs/Xserver/mi/mizerline.c

@@ -158,6 +158,8 @@ miZeroLine(pDraw, pGC, mode, npt, pptInit)
     pspanInit = (DDXPointPtr)malloc(list_len * sizeof(DDXPointRec));
     pwidthInit = (int *)malloc(list_len * sizeof(int));
     if (!pspanInit || !pwidthInit)
+        free(pspanInit);
+        free(pwidthInit);
         return;
 
     Nspans = 0;

nx-X11/programs/Xserver/render/render.c

@@ -1346,6 +1346,8 @@ ProcRenderCompositeGlyphs (ClientPtr client)
     {
 	listsBase = (GlyphListPtr) malloc (nlist * sizeof (GlyphListRec));
 	if (!listsBase)
+	    free(glyphsBase);
+	    free(listsBase);
 	    return BadAlloc;
     }
     buffer = (CARD8 *) (stuff + 1);
@@ -2918,9 +2920,7 @@ PanoramiXRenderFillRectangles (ClientPtr client)
 	    result = (*PanoramiXSaveRenderVector[X_RenderFillRectangles]) (client);
 	    if(result != Success) break;
 	}
-	free(extra);
     }
-
     return result;
 }
 
@@ -2979,10 +2979,9 @@ PanoramiXRenderTrapezoids(ClientPtr client)
 
 	    if(result != Success) break;
 	}
-	
-        free(extra);
     }
 
+    free(extra);
     return result;
 }
 
@@ -3038,9 +3037,8 @@ PanoramiXRenderTriangles(ClientPtr client)
 	    if(result != Success) break;
 	}
 	
-        free(extra);
     }
-
+    free(extra);
     return result;
 }
 
@@ -3092,9 +3090,8 @@ PanoramiXRenderTriStrip(ClientPtr client)
 	    if(result != Success) break;
 	}
 	
-        free(extra);
     }
-
+    free(extra);
     return result;
 }
 
@@ -3146,9 +3143,8 @@ PanoramiXRenderTriFan(ClientPtr client)
 	    if(result != Success) break;
 	}
 	
-        free(extra);
     }
-
+    free(extra);
     return result;
 }
 
@@ -3276,9 +3272,8 @@ PanoramiXRenderAddTraps (ClientPtr client)
 	    result = (*PanoramiXSaveRenderVector[X_RenderAddTraps]) (client);
 	    if(result != Success) break;
 	}
-	free(extra);
     }
-
+    free(extra);
     return result;
 }
 

nxcomp/src/Children.cpp

@@ -1038,6 +1038,7 @@ int UnsetEnv(const char *name)
   }
 
   result = 0;
+  delete[] varName;
 
   #else
 

run-static-analysis.sh

+#!/bin/bash
+
+if [[ "${STATIC_ANALYSIS}" == "yes" ]]; then
+    # cppcheck
+    if ! [ -x "$(command -v cppcheck)" ]; then
+        echo 'Error: cppcheck is not installed.' >&2
+        exit 1
+    fi
+    CPPCHECK_OPTS='--error-exitcode=0 --force --quiet'
+    # we exclude some external projects
+    CPPCHECK_EXCLUDES='-i ./nx-X11/extras/Mesa* -i ./nx-X11/extras/Mesa_* -i nx-X11/programs/Xserver/GL/mesa*'
+    echo "$(cppcheck --version):";
+    cppcheck $CPPCHECK_OPTS $CPPCHECK_EXCLUDES .;
+fi