static analyzer tweaks

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@36523 72102866-910b-0410-8b05-ffd578937521

Source/GSSocketStream.m

@@ -1361,6 +1361,7 @@ setNonBlocking(SOCKET fd)
       struct sockaddr	sin;
       socklen_t	        size = sizeof(sin);
 
+      memset(&sin, '\0', size);
       if ([key isEqualToString: GSStreamLocalAddressKey])
 	{
 	  if (getsockname(s, (struct sockaddr*)&sin, &size) != -1)

Source/NSAffineTransform.m

@@ -596,7 +596,7 @@ static NSAffineTransformStruct identityTransform = {
 
 - (id) initWithCoder: (NSCoder*)aCoder
 {
-  NSAffineTransformStruct replace;
+  NSAffineTransformStruct replace = identityTransform;
     
   if ([aCoder allowsKeyedCoding])
     {

Source/NSCoder.m

@@ -244,7 +244,7 @@ static unsigned	systemVersion = MAX_SUPPORTED_SYSTEM_VERSION;
 
 - (id) decodeObject
 {
-  id	o;
+  id	o = nil;
 
   [self decodeValueOfObjCType: @encode(id) at: &o];
   return AUTORELEASE(o);
@@ -253,7 +253,7 @@ static unsigned	systemVersion = MAX_SUPPORTED_SYSTEM_VERSION;
 - (id) decodePropertyList
 {
   id	o;
-  id	d;
+  id	d = nil;
 
   [self decodeValueOfObjCType: @encode(id) at: &d];
   if (d != nil)

Source/NSException.m

@@ -609,20 +609,23 @@ GSListModules()
 
 - (NSArray*) symbols
 {
-#if	defined(HAVE_BACKTRACE)
   if (nil == symbols) 
     {
+      NSUInteger	count = [addresses count];
+
+      if (count > 0)
+	{
+#if	defined(HAVE_BACKTRACE)
 	  char		**strs;
 	  void		**addr;
 	  NSString	**symbolArray;
-      unsigned	count;
-      int 	i;
+	  NSUInteger 	i;
 
-      count = [addresses count];
 	  addr = alloca(count * sizeof(void*));
 	  for (i = 0; i < count; i++)
 	    {
-	  addr[i] = (void*)[[addresses objectAtIndex: i] unsignedIntegerValue];
+	      addr[i] = (void*)[[addresses objectAtIndex: i]
+		unsignedIntegerValue];
 	    }
 
 	  strs = backtrace_symbols(addr, count);
@@ -633,18 +636,13 @@ GSListModules()
 	    }
 	  symbols = [[NSArray alloc] initWithObjects: symbolArray count: count];
 	  free(strs);
-    }
 #elif	defined(USE_BINUTILS)
-  if (nil == symbols) 
-    {
 	  NSMutableArray	*a;
-      int i;
-      int n;
+	  NSUInteger 		i;
 
-      n = [addresses count];
-      a = [[NSMutableArray alloc] initWithCapacity: n];
+	  a = [[NSMutableArray alloc] initWithCapacity: count];
 
-      for (i = 0; i < n; i++)
+	  for (i = 0; i < count; i++)
 	    {
 	      GSFunctionInfo	*aFrame = nil;
 	      void		*address;
@@ -704,8 +702,13 @@ GSListModules()
 	    }
 	  symbols = [a copy];
 	  [a release];
-    }
 #endif
+	}
+      else
+	{
+	  symbols = [NSArray new];
+	}
+    }
   return symbols;
 }
 

Source/NSProcessInfo.m

@@ -758,7 +758,6 @@ static char	**_gnu_noobjc_env = NULL;
   if (_gnu_noobjc_argv == NULL)
     goto malloc_error;
 
-
   ifp = fopen(proc_file_name,"r");
   //freopen(proc_file_name, "r", ifp);
   if (ifp == NULL)
@@ -781,17 +780,25 @@ static char	**_gnu_noobjc_env = NULL;
 	  argument++;
 	  length = 0;
 	  if (c == EOF) // End of command line
+	    {
+	      _gnu_noobjc_argc = argument;
 	      break;
 	    }
 	}
+    }
   fclose(ifp);
   ifp = fopen(proc_file_name,"r");
   //freopen(proc_file_name, "r", ifp);
   if (ifp == NULL)
+    {
+      if (0 != _gnu_noobjc_argv)
 	{
 	  for (c = 0; c < _gnu_noobjc_argc; c++)
+	    {
 	      free(_gnu_noobjc_argv[c]);
+	    }
 	  free(_gnu_noobjc_argv);
+	}
       goto proc_fs_error;
     }
   argument = 0;

Source/NSRunLoop.m

@@ -717,12 +717,12 @@ static inline BOOL timerInvalidated(NSTimer *t)
   GSRunLoopThreadInfo	*info = GSRunLoopInfoForThread(nil);
   NSRunLoop             *current = info->loop;
 
-  if (current == nil)
+  if (nil == current)
     {
       current = info->loop = [[self alloc] _init];
       /* If this is the main thread, set up a housekeeping timer.
        */
-      if ([GSCurrentThread() isMainThread] == YES)
+      if (nil != current && [GSCurrentThread() isMainThread] == YES)
         {
           NSAutoreleasePool		*arp = [NSAutoreleasePool new];
           GSRunLoopCtxt	                *context;

Source/NSURL.m

@@ -1439,7 +1439,7 @@ static NSUInteger	urlAlign;
           memcpy(tmp, myData->path, l + 1);
 	}
     }
-  else if (_baseURL == nil)
+  else if (nil == _baseURL)
     {
       if (myData->path != 0)
 	{
@@ -1447,7 +1447,7 @@ static NSUInteger	urlAlign;
           memcpy(tmp, myData->path, l + 1);
 	}
     }
-  else if (*myData->path == 0)
+  else if (0 == myData->path || 0 == *myData->path)
     {
       if (baseData->hasNoPath == NO)
 	{

Source/NSXMLParser.m

@@ -1446,9 +1446,9 @@ NSLog(@"_processTag <%@%@ %@>", flag?@"/": @"", tag, attributes);
   len = this->cp - ep - 1;
 
   *result = [self _newEntity: ep length: len];
-  if (entity == *result)
+  if (&entity == result)
     {
-      [entity release]; // Won't be used
+      [*result release]; // Won't be used
     }
   return YES;
 }

Source/common.h

@@ -29,6 +29,7 @@
 #endif
 
 #import	"GNUstepBase/GSConfig.h"
+#import	"GNUstepBase/GSVersionMacros.h"
 
 /* Set localisation macro for use within the base library itsself.
  */

Tools/gdomap.c

@@ -2289,6 +2289,7 @@ handle_accept()
   socklen_t		len = sizeof(sa);
   int			desc;
 
+  memset(&sa, '\0', len);
   desc = accept(tcp_desc, (void*)&sa, &len);
   if (desc >= 0)
     {