Add some explicit casts-through-void* to silence warnings about casts that increase the alignment requirements of the pointee (mostly caused by using char* for arithmetic).

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@32219 72102866-910b-0410-8b05-ffd578937521

Source/CXXException.m

@@ -50,7 +50,7 @@ static Class CXXExceptionClass;
 // TODO: Add an API for registering other classes for other exception types
 static Class boxClass(int64_t foo)
 {
-  if (foo == *(int64_t*)"GNUCC++\0")
+  if (foo == *(int64_t*)(void*)"GNUCC++\0")
     {
       return CXXExceptionClass;
     }
@@ -75,7 +75,7 @@ static Class boxClass(int64_t foo)
 {
   char *ptr = (char*)ex;
   ptr -= __builtin_offsetof(struct __cxa_exception, unwindHeader);
-  return ((struct __cxa_exception*)ptr)->exceptionType;
+  return ((struct __cxa_exception*)(void*)ptr)->exceptionType;
 }
 - (void) rethrow
 {

Source/GSFormat.m

@@ -1685,7 +1685,7 @@ NSDictionary *locale)
     LABEL (form_strerror):
       /* Print description of error ERRNO.  */
       errno = save_errno;
-      string = (unichar *)[[[NSError _last] localizedDescription]
+      string = (unichar *)(void*)[[[NSError _last] localizedDescription]
 	cStringUsingEncoding: NSUnicodeStringEncoding];
       is_long = 1;		/* This is a unicode string.  */
       goto LABEL (print_string);

Source/GSSocketStream.m

@@ -809,7 +809,7 @@ static NSString * const GSSOCKSAckConn = @"GSSOCKSAckConn";
 #endif	/* AF_INET6 */
       else
 	{
-	  struct sockaddr_in	*addr = (struct sockaddr_in*)[istream _address];
+	  struct sockaddr_in	*addr = (struct sockaddr_in*)(void*)[istream _address];
           NSDictionary          *conf;
           NSString              *host;
           int                   pnum;

Source/GSString.m

@@ -1840,7 +1840,7 @@ getCStringE_c(GSStr self, char *buffer, unsigned int maxLength,
       if (maxLength >= sizeof(unichar))
 	{
 	  unsigned	bytes = maxLength - sizeof(unichar);
-	  unichar	*u = (unichar*)buffer;
+	  unichar	*u = (unichar*)(void*)buffer;
 
 	  if (GSToUnicode(&u, &bytes, self->_contents.c, self->_count,
 	    internalEncoding, NSDefaultMallocZone(), GSUniTerminate) == NO)
@@ -1848,7 +1848,7 @@ getCStringE_c(GSStr self, char *buffer, unsigned int maxLength,
 	      [NSException raise: NSCharacterConversionException
 			  format: @"Can't convert to Unicode string."];
 	    }
-	  if (u == (unichar*)buffer)
+	  if (u == (unichar*)(void*)buffer)
 	    {
 	      return YES;
 	    }
@@ -4136,7 +4136,7 @@ NSAssert(_flags.owned == 1 && _zone != 0, NSInternalInconsistencyException);
     }
 
   length /= sizeof(unichar);
-  if (GSUnicode((unichar*)chars, length, &isASCII, &isLatin1) != length)
+  if (GSUnicode((unichar*)(void*)chars, length, &isASCII, &isLatin1) != length)
     {
       if (shouldFree == YES && chars != 0)
         {
@@ -4153,7 +4153,7 @@ NSAssert(_flags.owned == 1 && _zone != 0, NSInternalInconsistencyException);
       _flags.wide = 0;
       while (length-- > 0)
         {
-	  _contents.c[length] = ((unichar*)chars)[length];
+	  _contents.c[length] = ((unichar*)(void*)chars)[length];
         }
       if (shouldFree == YES && chars != 0)
         {
@@ -4166,7 +4166,7 @@ NSAssert(_flags.owned == 1 && _zone != 0, NSInternalInconsistencyException);
       if (shouldFree == YES)
         {
 	  _zone = NSZoneFromPointer(chars);
-	  _contents.u = (unichar*)chars;
+	  _contents.u = (unichar*)(void*)chars;
         }
       else
 	{

Source/NSNumberFormatter.m

@@ -1221,13 +1221,17 @@ static NSUInteger _defaultBehavior = 0;
 
 - (void) setRoundingIncrement: (NSNumber *) number
 {
+  switch ([number objCType][0])
+    {
+      case 'd':
+      case 'f':
 #if GS_USE_ICU == 1
-  if ([number class] == [NSDoubleNumber class])
     unum_setDoubleAttribute (internal->_formatter, UNUM_ROUNDING_INCREMENT,
       [number doubleValue]);
-#else
-  return;
 #endif
+      default:
+        return;
+    }
 }
 
 - (NSNumber *) roundingIncrement

Source/NSPortCoder.m

@@ -1034,7 +1034,7 @@ static IMP	_xRefImp;	/* Serialize a crossref.	*/
 #else
 	  val = GSSwapBigI128ToHost(val);
 #if	GS_HAVE_I64
-	  bigval = *(uint64_t*)&val;
+	  bigval = *(uint64_t*)(void*)&val;
 #else
 	  bigval = *(uint32_t*)&val;
 #endif

Source/NSString.m

@@ -1265,7 +1265,7 @@ handle_printf_atsign (FILE *stream,
   data_bytes = [d bytes];
   if ((data_bytes != NULL) && (len >= 2))
     {
-      const unichar *data_ucs2chars = (const unichar *) data_bytes;
+      const unichar *data_ucs2chars = (const unichar *)(void*) data_bytes;
       if ((data_ucs2chars[0] == byteOrderMark)
 	|| (data_ucs2chars[0] == byteOrderMarkSwapped))
 	{
@@ -1332,7 +1332,7 @@ handle_printf_atsign (FILE *stream,
   data_bytes = [d bytes];
   if ((data_bytes != NULL) && (len >= 2))
     {
-      const unichar *data_ucs2chars = (const unichar *) data_bytes;
+      const unichar *data_ucs2chars = (const unichar *)(void*) data_bytes;
       if ((data_ucs2chars[0] == byteOrderMark)
 	|| (data_ucs2chars[0] == byteOrderMarkSwapped))
 	{
@@ -1434,7 +1434,7 @@ handle_printf_atsign (FILE *stream,
   data_bytes = [d bytes];
   if ((data_bytes != NULL) && (len >= 2))
     {
-      const unichar *data_ucs2chars = (const unichar *) data_bytes;
+      const unichar *data_ucs2chars = (const unichar *)(void*) data_bytes;
       if ((data_ucs2chars[0] == byteOrderMark)
 	|| (data_ucs2chars[0] == byteOrderMarkSwapped))
 	{
@@ -1480,7 +1480,7 @@ handle_printf_atsign (FILE *stream,
   data_bytes = [d bytes];
   if ((data_bytes != NULL) && (len >= 2))
     {
-      const unichar *data_ucs2chars = (const unichar *) data_bytes;
+      const unichar *data_ucs2chars = (const unichar *)(void*) data_bytes;
       if ((data_ucs2chars[0] == byteOrderMark)
 	|| (data_ucs2chars[0] == byteOrderMarkSwapped))
 	{
@@ -2931,7 +2931,7 @@ handle_printf_atsign (FILE *stream,
 
       if (maxLength > length * sizeof(unichar))
 	{
-	  unichar	*ptr = (unichar*)buffer;
+	  unichar	*ptr = (unichar*)(void*)buffer;
 
 	  maxLength = (maxLength - 1) / sizeof(unichar);
 	  [self getCharacters: ptr

Source/NSTimeZone.m

@@ -2894,9 +2894,9 @@ newDetailInZoneForType(GSTimeZone *zone, TypeInfo *type)
 		      format: @"TZ_MAGIC is incorrect"];
 	}
 #endif
-      n_trans = GSSwapBigI32ToHost(*(int32_t*)header->tzh_timecnt);
+      n_trans = GSSwapBigI32ToHost(*(int32_t*)(void*)header->tzh_timecnt);
-      n_types = GSSwapBigI32ToHost(*(int32_t*)header->tzh_typecnt);
+      n_types = GSSwapBigI32ToHost(*(int32_t*)(void*)header->tzh_typecnt);
-      charcnt = GSSwapBigI32ToHost(*(int32_t*)header->tzh_charcnt);
+      charcnt = GSSwapBigI32ToHost(*(int32_t*)(void*)header->tzh_charcnt);
 
       i = pos;
       i += sizeof(int32_t)*n_trans;