From fd4fa4e9646bb3f5a9091dc571b158a861b6127e Mon Sep 17 00:00:00 2001
From: Ulrich Sibiller <uli42@gmx.de>
Date: Mon, 22 Jul 2019 21:34:42 +0200
Subject: Keyboard.c: use SAFE_XFree and SAFE_free

---
 nx-X11/programs/Xserver/hw/nxagent/Keyboard.c | 70 +++++++++++++--------------
 1 file changed, 34 insertions(+), 36 deletions(-)

(limited to 'nx-X11/programs')

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c b/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
index 6fbc66481..b7ed38ca3 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
@@ -58,6 +58,7 @@ is" without express or implied warranty.
 #include "Options.h"
 #include "Error.h"
 #include "Init.h"
+#include "Utils.h"
 
 #include "compext/Compext.h"
 
@@ -657,7 +658,7 @@ N/A
         {
           keymap[i] = keymap64[i];
         }
-        XFree(keymap64);
+        SAFE_XFree(keymap64);
       }
 
 #else /* #ifdef _XSERVER64 */
@@ -762,7 +763,7 @@ XkbError:
           #ifdef TEST
           fprintf(stderr, "%s: changing nxagentKeyboard from [null/null] to [clone].\n", __func__);
           #endif
-          free(nxagentKeyboard);
+          SAFE_free(nxagentKeyboard);
           nxagentKeyboard = strdup("clone");
         }
 
@@ -809,7 +810,7 @@ XkbError:
             layout = strdup(strsep(&tmp, sep));
             variant = strdup(strsep(&tmp, sep));
             options = strdup(strsep(&tmp, sep));
-            free(rmlvo);
+            SAFE_free(rmlvo);
           }
           else
           {
@@ -864,11 +865,11 @@ XkbError:
           /* Only setup keycode conversion if we are NOT in clone mode */
           if (nxagentKeyboard && (strcmp(nxagentKeyboard, "clone") == 0))
           {
-            free(rules); rules = strdup(nxagentRemoteRules);
-            free(model); model = strdup(nxagentRemoteModel);
-            free(layout); layout = strdup(nxagentRemoteLayout);
-            free(variant); variant = strdup(nxagentRemoteVariant);
-            free(options); options = strdup(nxagentRemoteOptions);
+            SAFE_free(rules); rules = strdup(nxagentRemoteRules);
+            SAFE_free(model); model = strdup(nxagentRemoteModel);
+            SAFE_free(layout); layout = strdup(nxagentRemoteLayout);
+            SAFE_free(variant); variant = strdup(nxagentRemoteVariant);
+            SAFE_free(options); options = strdup(nxagentRemoteOptions);
             /*
              * when cloning we do not want X2Go to set the keyboard
              * via a keyboard file generated by nxagent. The defined
@@ -947,9 +948,9 @@ XkbError:
           NXShadowInitKeymap(&(pDev->key->curKeySyms));
         }
 
-	free(rules);
-	free(variant);
-	free(options);
+	SAFE_free(rules);
+	SAFE_free(variant);
+	SAFE_free(options);
       }
 
       if (xkb)
@@ -958,8 +959,8 @@ XkbError:
         xkb = NULL;
       }
 
-      free(model);
-      free(layout);
+      SAFE_free(model);
+      SAFE_free(layout);
 #endif
 
       #ifdef WATCH
@@ -980,9 +981,9 @@ Reply   Total	Cached	Bits In			Bits Out		Bits/Reply	  Ratio
       #endif
 
 #ifdef _XSERVER64
-      free(keymap);
+      SAFE_free(keymap);
 #else
-      XFree(keymap);
+      SAFE_XFree(keymap);
 #endif
       break;
     case DEVICE_ON:
@@ -1182,7 +1183,7 @@ int nxagentResetKeyboard(void)
 
     nxagentFreeKeyboardDeviceData(devBackup);
 
-    free(devBackup);
+    SAFE_free(devBackup);
 
     return 1;
   }
@@ -1315,18 +1316,15 @@ static int nxagentFreeKeyboardDeviceData(DeviceIntPtr dev)
       }
       #endif
 
-      free(dev->key->curKeySyms.map);
-      free(dev->key->modifierKeyMap);
-      free(dev->key);
-
-      dev->key = NULL;
+      SAFE_free(dev->key->curKeySyms.map);
+      SAFE_free(dev->key->modifierKeyMap);
+      SAFE_free(dev->key);
   }
 
   if (dev->focus)
   {
-      free(dev->focus->trace);
-      free(dev->focus);
-      dev->focus = NULL;
+      SAFE_free(dev->focus->trace);
+      SAFE_free(dev->focus);
   }
 
   if (dev->kbdfeed)
@@ -1338,7 +1336,7 @@ static int nxagentFreeKeyboardDeviceData(DeviceIntPtr dev)
           if (k->xkb_sli)
               XkbFreeSrvLedInfo(k->xkb_sli);
           #endif
-          free(k);
+          SAFE_free(k);
       }
       dev->kbdfeed = NULL;
   }
@@ -1571,11 +1569,11 @@ void nxagentTuneXkbWrapper(void)
 
 void nxagentXkbClearNames(void)
 {
-  free(nxagentRemoteRules); nxagentRemoteRules = NULL;
-  free(nxagentRemoteModel); nxagentRemoteModel = NULL;
-  free(nxagentRemoteLayout); nxagentRemoteLayout = NULL;
-  free(nxagentRemoteVariant); nxagentRemoteVariant = NULL;
-  free(nxagentRemoteOptions); nxagentRemoteOptions = NULL;
+  SAFE_free(nxagentRemoteRules);
+  SAFE_free(nxagentRemoteModel);
+  SAFE_free(nxagentRemoteLayout);
+  SAFE_free(nxagentRemoteVariant);
+  SAFE_free(nxagentRemoteOptions);
 }
 
 static void nxagentXkbGetNames(void)
@@ -1618,7 +1616,7 @@ static void nxagentXkbGetNames(void)
   {
     if (data)
     {
-      XFree(data);
+      SAFE_XFree(data);
       return;
     }
   }
@@ -1655,7 +1653,7 @@ static void nxagentXkbGetNames(void)
     name += strlen(name) + 1;
   }
 
-  XFree(data);
+  SAFE_XFree(data);
 
   return;
 }
@@ -1686,12 +1684,12 @@ static char* getKeyboardFilePath(void)
   {
     if ((asprintf(&keyboard_file_path, "%s/keyboard", sessionpath) == -1))
     {
-      free(sessionpath);
+      SAFE_free(sessionpath);
       FatalError("malloc for keyboard file path failed.");
     }
     else
     {
-      free(sessionpath);
+      SAFE_free(sessionpath);
     }
   }
   else
@@ -1720,7 +1718,7 @@ static void nxagentWriteKeyboardDir(void)
     {
       fprintf(stderr, "Info: keyboard blocking directory created: '%s'\n", keyboard_file_path);
     }
-    free(keyboard_file_path);
+    SAFE_free(keyboard_file_path);
   }
 }
 
@@ -1748,7 +1746,7 @@ static void nxagentWriteKeyboardFile(char *rules, char *model, char *layout, cha
         int save_err = errno;
         fprintf(stderr, "Error: keyboard file not created: %s\n", strerror(save_err));
       }
-      free(keyboard_file_path);
+      SAFE_free(keyboard_file_path);
     }
   }
 }
-- 
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