more work on hding external symbols and simplifying.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@23890 72102866-910b-0410-8b05-ffd578937521

Source/Additions/GSCategories.m

@@ -32,52 +32,6 @@
 /* Test for ASCII whitespace which is safe for unicode characters */
 #define	space(C)	((C) > 127 ? NO : isspace(C))
 
-#ifndef HAVE_STRERROR
-const char *
-strerror(int eno)
-{
-  extern char  *sys_errlist[];
-  extern int    sys_nerr;
-
-  if (eno < 0 || eno >= sys_nerr)
-    {
-      return("unknown error number");
-    }
-  return(sys_errlist[eno]);
-}
-#endif
-
-@implementation	_GSPrivate
-
-+ (NSString*) error
-{
-#if defined(__MINGW32__)
-  return [self error: GetLastError()];
-#else
-  extern int errno;
-  return [self error: errno];
-#endif
-}
-
-+ (NSString*) error: (long)number
-{
-  NSString	*text;
-#if defined(__MINGW32__)
-  LPVOID	lpMsgBuf;
-
-  FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
-    NULL, nuymber, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-    (LPWSTR) &lpMsgBuf, 0, NULL );
-  text = [NSString stringWithCharacters: lpMsgBuf length: wcslen(lpMsgBuf)];
-  LocalFree(lpMsgBuf);
-#else
-  text = [NSString stringWithCString: strerror(number)
-			    encoding: [NSString defaultCStringEncoding]];
-#endif
-  return text;
-}
-@end
-
 @implementation NSArray (GSCategories)
 
 - (unsigned) insertionPosition: (id)item