XQuartz: clang static analysis fixes

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>

hw/xquartz/GL/indirect.c

@@ -548,7 +548,7 @@ static CGLPixelFormatObj makeFormat(__GLXconfig *conf) {
        attr[i++] = conf->samples;
     }
      
-    attr[i++] = 0;
+    attr[i + 1] = 0;
 
     error = CGLChoosePixelFormat(attr, &fobj, &formats);
     if(error) {

hw/xquartz/GL/visualConfigs.c

@@ -62,7 +62,7 @@ __GLXconfig *__glXAquaCreateVisualConfigs(int *numConfigsPtr, int screenNumber)
     int numConfigs = 0;
     __GLXconfig *visualConfigs, *c;
     struct glCapabilities caps;
-    struct glCapabilitiesConfig *conf = NULL;
+    struct glCapabilitiesConfig *conf;
     int stereo, depth, aux, buffers, stencil, accum, color, msample;
     
     if(getGlCapabilities(&caps)) {
@@ -94,7 +94,6 @@ __GLXconfig *__glXAquaCreateVisualConfigs(int *numConfigsPtr, int screenNumber)
      */
     
     assert(NULL != caps.configurations);
-    conf = caps.configurations;
     
     numConfigs = 0;
     

hw/xquartz/X11Application.m

@@ -482,7 +482,7 @@ static NSMutableArray * cfarray_to_nsarray (CFArrayRef in) {
 	return out;
 }
 
-- (CFPropertyListRef) prefs_get:(NSString *)key {
+- (CFPropertyListRef) prefs_get_copy:(NSString *)key {
     CFPropertyListRef value;
 	
     value = CFPreferencesCopyAppValue ((CFStringRef) key, app_prefs_domain_cfstr);
@@ -543,7 +543,7 @@ static NSMutableArray * cfarray_to_nsarray (CFArrayRef in) {
   CFPropertyListRef value;
   int ret;
   
-  value = [self prefs_get:key];
+  value = [self prefs_get_copy:key];
   
   if (value != NULL && CFGetTypeID (value) == CFNumberGetTypeID ())
     CFNumberGetValue (value, kCFNumberIntType, &ret);
@@ -561,7 +561,7 @@ static NSMutableArray * cfarray_to_nsarray (CFArrayRef in) {
   CFPropertyListRef value;
   const char *ret = NULL;
   
-  value = [self prefs_get:key];
+  value = [self prefs_get_copy:key];
   
   if (value != NULL && CFGetTypeID (value) == CFStringGetTypeID ()) {
     NSString *s = (NSString *) value;
@@ -578,12 +578,13 @@ static NSMutableArray * cfarray_to_nsarray (CFArrayRef in) {
     CFPropertyListRef value;
     NSURL *ret = NULL;
     
-    value = [self prefs_get:key];
+    value = [self prefs_get_copy:key];
     
     if (value != NULL && CFGetTypeID (value) == CFStringGetTypeID ()) {
         NSString *s = (NSString *) value;
 
         ret = [NSURL URLWithString:s];
+        [ret retain];
     }
     
     if (value != NULL) CFRelease (value);
@@ -595,7 +596,7 @@ static NSMutableArray * cfarray_to_nsarray (CFArrayRef in) {
   CFPropertyListRef value;
   float ret = def;
   
-  value = [self prefs_get:key];
+  value = [self prefs_get_copy:key];
   
   if (value != NULL
       && CFGetTypeID (value) == CFNumberGetTypeID ()
@@ -613,7 +614,7 @@ static NSMutableArray * cfarray_to_nsarray (CFArrayRef in) {
   CFPropertyListRef value;
   int ret = def;
   
-  value = [self prefs_get:key];
+  value = [self prefs_get_copy:key];
   
   if (value != NULL) {
     if (CFGetTypeID (value) == CFNumberGetTypeID ())
@@ -637,7 +638,7 @@ static NSMutableArray * cfarray_to_nsarray (CFArrayRef in) {
   NSArray *ret = nil;
   CFPropertyListRef value;
   
-  value = [self prefs_get:key];
+  value = [self prefs_get_copy:key];
   
   if (value != NULL) {
     if (CFGetTypeID (value) == CFArrayGetTypeID ())
@@ -757,7 +758,7 @@ static NSMutableArray * cfarray_to_nsarray (CFArrayRef in) {
     NSURL *url =  [self prefs_copy_url:@PREFS_UPDATE_FEED default:nil];
     if(url) {
         [[SUUpdater sharedUpdater] setFeedURL:url];
-        CFRelease(url);
+        [url release];
     }
 #endif
 }
@@ -970,6 +971,7 @@ void X11ApplicationMain (int argc, char **argv, char **envp) {
 //    [[SUUpdater sharedUpdater] checkForUpdates:X11App];
 #endif
 
+    [pool release];
     [NSApp run];
     /* not reached */
 }

hw/xquartz/mach-startup/bundle-main.c

@@ -641,30 +641,46 @@ static int execute(const char *command) {
 static char *command_from_prefs(const char *key, const char *default_value) {
     char *command = NULL;
     
-    CFStringRef cfKey = CFStringCreateWithCString(NULL, key, kCFStringEncodingASCII);
+    CFStringRef cfKey;
-    CFPropertyListRef PlistRef = CFPreferencesCopyAppValue(cfKey, kCFPreferencesCurrentApplication);
+    CFPropertyListRef PlistRef;
+
+    if(!key)
+        return NULL;
+
+    cfKey = CFStringCreateWithCString(NULL, key, kCFStringEncodingASCII);
+
+    if(!cfKey)
+        return NULL;
+
+    PlistRef = CFPreferencesCopyAppValue(cfKey, kCFPreferencesCurrentApplication);
     
     if ((PlistRef == NULL) || (CFGetTypeID(PlistRef) != CFStringGetTypeID())) {
         CFStringRef cfDefaultValue = CFStringCreateWithCString(NULL, default_value, kCFStringEncodingASCII);
         int len = strlen(default_value) + 1;
 
+        if(!cfDefaultValue)
+            goto command_from_prefs_out;
+
         CFPreferencesSetAppValue(cfKey, cfDefaultValue, kCFPreferencesCurrentApplication);
         CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
+        CFRelease(cfDefaultValue);
         
         command = (char *)malloc(len * sizeof(char));
         if(!command)
-            return NULL;
+            goto command_from_prefs_out;
         strcpy(command, default_value);
     } else {
         int len = CFStringGetLength((CFStringRef)PlistRef) + 1;
         command = (char *)malloc(len * sizeof(char));
         if(!command)
-            return NULL;
+            goto command_from_prefs_out;
         CFStringGetCString((CFStringRef)PlistRef, command, len,  kCFStringEncodingASCII);
-	}
+    }
 
+command_from_prefs_out:
     if (PlistRef)
         CFRelease(PlistRef);
-    
+    if(cfKey)
+        CFRelease(cfKey);
     return command;
 }

hw/xquartz/mach-startup/stub.c

@@ -73,7 +73,6 @@ static void set_x11_path(void) {
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
 
     CFURLRef appURL = NULL;
-    CFBundleRef bundle = NULL;
     OSStatus osstatus = LSFindApplicationForInfo(kLSUnknownCreator, CFSTR(kX11AppBundleId), nil, nil, &appURL);
 
     switch (osstatus) {
@@ -84,12 +83,6 @@ static void set_x11_path(void) {
                 exit(1);
             }
 
-            bundle = CFBundleCreate(NULL, appURL);
-            if(!bundle) {
-                fprintf(stderr, "Xquartz: Null value returned from CFBundleCreate().\n");
-                exit(2);                
-            }
-
             if (!CFURLGetFileSystemRepresentation(appURL, true, (unsigned char *)x11_path, sizeof(x11_path))) {
                 fprintf(stderr, "Xquartz: Error resolving URL for %s\n", kX11AppBundleId);
                 exit(3);

hw/xquartz/pbproxy/x-selection.h

@@ -58,15 +58,6 @@ struct atom_list {
     /* The unmapped window we use for fetching selections. */
     Window _selection_window;
 
-    /* Last time we declared anything on the pasteboard. */
-    int _my_last_change;
-
-    /* Name of the selection we're proxying onto the pasteboard. */
-    Atom _proxied_selection;
-
-    /* When true, we're expecting a SelectionNotify event. */
-    unsigned int _pending_notify :1;
- 
     Atom request_atom;
     
     struct {

hw/xquartz/quartzAudio.c

@@ -204,6 +204,7 @@ QuartzAudioIOProc(
     if (wasPlaying  &&  !data->playing) {
         OSStatus err;
         err = AudioDeviceStop(inDevice, QuartzAudioIOProc);
+        fprintf(stderr, "Error stopping audio device: %ld\n", (long int)err);
     }
     pthread_mutex_unlock(&data->lock);
     return 0;

hw/xquartz/quartzKeyboard.c

@@ -368,7 +368,7 @@ void DarwinKeyboardReloadHandler(void) {
     KeySymsRec keySyms;
     CFIndex initialKeyRepeatValue, keyRepeatValue;
     BOOL ok;
-    DeviceIntPtr pDev = darwinKeyboard;
+    DeviceIntPtr pDev;
     const char *xmodmap = PROJECTROOT "/bin/xmodmap";
     const char *sysmodmap = PROJECTROOT "/lib/X11/xinit/.Xmodmap";
     const char *homedir = getenv("HOME");