Fix obscure crasher

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@17281 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,9 @@
+2003-07-21  Richard Frith-Macdonald <rfm@gnu.org>
+
+	* Source/Additions/Unicode.m (GROW): Fix shifting of pointers into
+	local buffer for case where we are leaving room for a null terminator.
+	This avoids moving pointer back before start of buffer.
+
 2003-07-21  Roland Schwingel <Roland.Schwingel@onevision.de>
 
 	* Source/libgnustep-base-entry.m: Don't create unnecessary window.

Headers/gnustep/base/NSDistantObject.h

@@ -60,7 +60,6 @@
 
 @interface NSDistantObject(GNUstepExtensions) <GCFinalization>
 
-- (id) awakeAfterUsingCoder: (NSCoder*)aDecoder;
 - (Class) classForPortCoder;
 - (const char *) selectorTypeForProxy: (SEL)selector;
 - (id) forward: (SEL)aSel :(arglist_t)frame;

Source/Additions/Unicode.m

@@ -897,8 +897,16 @@ if (dst == 0) \
      * adjust the offset into the local buffer on the \
      * stack and pretend the buffer has grown. \
      */ \
-    ptr -= BUFSIZ; \
-    bsize += BUFSIZ; \
+    if (extra == 0) \
+      { \
+	ptr -= BUFSIZ; \
+	bsize += BUFSIZ; \
+      } \
+    else \
+      { \
+	ptr -= BUFSIZ-1; \
+	bsize += BUFSIZ-1; \
+      } \
   } \
 else if (zone == 0) \
   { \
@@ -1389,8 +1397,16 @@ if (dst == 0) \
      * adjust the offset into the local buffer on the \
      * stack and pretend the buffer has grown. \
      */ \
-    ptr -= BUFSIZ; \
-    bsize += BUFSIZ; \
+    if (extra == 0) \
+      { \
+	ptr -= BUFSIZ; \
+	bsize += BUFSIZ; \
+      } \
+    else \
+      { \
+	ptr -= BUFSIZ-1; \
+	bsize += BUFSIZ-1; \
+      } \
   } \
 else if (zone == 0) \
   { \