[X2Go-Commits] [nx-libs] 136/219: Display.c: safe some lines by calling SAFE_XFree and SAFE_free

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x2go pushed a commit to branch 3.6.x
in repository nx-libs.

commit b8411180ed1f3567ab5ca11d70834907fc54d711
Author: Ulrich Sibiller <uli42 at gmx.de>
Date:   Mon Jul 22 18:16:20 2019 +0200

    Display.c: safe some lines by calling SAFE_XFree and SAFE_free
---
 nx-X11/programs/Xserver/hw/nxagent/Display.c | 65 +++++++---------------------
 1 file changed, 16 insertions(+), 49 deletions(-)

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Display.c b/nx-X11/programs/Xserver/hw/nxagent/Display.c
index 127874962..1c18ad1a3 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Display.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Display.c
@@ -71,6 +71,7 @@ is" without express or implied warranty.
 #include "Init.h"
 #include "Args.h"
 #include "Image.h"
+#include "Utils.h"
 
 #define Pixmap XlibPixmap
 #include "Icons.h"
@@ -1543,7 +1544,7 @@ void nxagentInitVisuals(void)
                                                  nxagentNumVisuals * sizeof(XVisualInfo));
   }
 
-  XFree(viList);
+  SAFE_XFree(viList);
 
   if (nxagentNumVisuals == 0 || nxagentVisuals == NULL)
   {
@@ -1765,20 +1766,11 @@ void nxagentCloseDisplay(void)
    * traffic
    */
 
-  free(nxagentDefaultColormaps);
-  nxagentDefaultColormaps = NULL;
-
-  XFree(nxagentVisuals);
-  nxagentVisuals = NULL;
-
-  free(nxagentDepths);
-  nxagentDepths = NULL;
-
-  XFree(nxagentPixmapFormats);
-  nxagentPixmapFormats = NULL;
-
-  XFree(nxagentRemotePixmapFormats);
-  nxagentRemotePixmapFormats = NULL;
+  SAFE_free(nxagentDefaultColormaps);
+  SAFE_free(nxagentDepths);
+  SAFE_XFree(nxagentVisuals);
+  SAFE_XFree(nxagentPixmapFormats);
+  SAFE_XFree(nxagentRemotePixmapFormats);
 
   nxagentFreeFontCache();
 /*
@@ -2017,11 +2009,7 @@ void nxagentBackupDisplayInfo(void)
   nxagentNumDefaultColormapsRecBackup = nxagentNumDefaultColormaps;
   nxagentVisualsRecBackup = nxagentVisuals;
   nxagentNumVisualsRecBackup = nxagentNumVisuals;
-  if (nxagentVisualHasBeenIgnored)
-  {
-    free(nxagentVisualHasBeenIgnored);
-    nxagentVisualHasBeenIgnored = NULL;
-  }
+  SAFE_free(nxagentVisualHasBeenIgnored);
   nxagentVisualHasBeenIgnored = malloc(nxagentNumVisuals * sizeof(Bool));
   nxagentDefaultDepthRecBackup = DefaultDepth(nxagentDisplay, DefaultScreen(nxagentDisplay));
   nxagentDisplayWidthRecBackup = DisplayWidth(nxagentDisplay, DefaultScreen(nxagentDisplay));
@@ -2033,20 +2021,11 @@ void nxagentBackupDisplayInfo(void)
 
 void nxagentCleanupBackupDisplayInfo(void)
 {
-  free(nxagentDepthsRecBackup);
-  nxagentNumDepthsRecBackup = 0;
+  SAFE_free(nxagentDepthsRecBackup);
+  SAFE_free(nxagentVisualsRecBackup);
+  SAFE_free(nxagentVisualHasBeenIgnored);
 
   nxagentNumDefaultColormapsRecBackup = 0;
-
-  free(nxagentVisualsRecBackup);
-  nxagentNumVisualsRecBackup = 0;
-
-  if (nxagentVisualHasBeenIgnored)
-  {
-    free(nxagentVisualHasBeenIgnored);
-    nxagentVisualHasBeenIgnored = NULL;
-  }
-
   nxagentDefaultDepthRecBackup = 0;
   nxagentDisplayWidthRecBackup = 0;
   nxagentDisplayHeightRecBackup = 0;
@@ -2054,7 +2033,6 @@ void nxagentCleanupBackupDisplayInfo(void)
   if (nxagentDisplayBackup)
   {
     XCloseDisplay(nxagentDisplayBackup);
-
     nxagentDisplayBackup = NULL;
   }
 
@@ -2066,7 +2044,7 @@ void nxagentCleanupBackupDisplayInfo(void)
     }
     else
     {
-      free(nxagentBitmapGCBackup);
+      SAFE_free(nxagentBitmapGCBackup);
     }
 
     nxagentBitmapGCBackup = NULL;
@@ -2569,7 +2547,7 @@ FIXME: Should the visual be ignored in this case?
     }
   }
 
-  XFree(viList);
+  SAFE_XFree(viList);
 
   if (compatible)
   {
@@ -2585,7 +2563,7 @@ FIXME: Should the visual be ignored in this case?
     fprintf(stderr, "nxagentInitAndCheckVisuals: New visuals don't match with old visuals.\n");
     #endif
 
-    free(newVisuals);
+    SAFE_free(newVisuals);
   }
 
   return compatible;
@@ -2766,19 +2744,8 @@ Bool nxagentReconnectDisplay(void *p0)
    * will be reallocated in nxagentInitPixmapFormats().
    */
 
-  if (nxagentPixmapFormats != NULL)
-  {
-    XFree(nxagentPixmapFormats);
-
-    nxagentPixmapFormats = NULL;
-  }
-
-  if (nxagentRemotePixmapFormats != NULL)
-  {
-    XFree(nxagentRemotePixmapFormats);
-
-    nxagentRemotePixmapFormats = NULL;
-  }
+  SAFE_XFree(nxagentPixmapFormats);
+  SAFE_XFree(nxagentRemotePixmapFormats);
 
   /*
    * Check if all the required pixmap

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