[Python-checkins] python/dist/src/Modules unicodedata.c,2.29,2.30

[loewis at users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Modules
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv31584/Modules

Modified Files:
	unicodedata.c 
Log Message:
Special case normalization of empty strings. Fixes #924361.
Backported to 2.3.


Index: unicodedata.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Modules/unicodedata.c,v
retrieving revision 2.29
retrieving revision 2.30
diff -C2 -d -r2.29 -r2.30
*** unicodedata.c	6 Nov 2003 20:47:57 -0000	2.29
--- unicodedata.c	17 Apr 2004 19:36:48 -0000	2.30
***************
*** 516,519 ****
--- 516,526 ----
          return NULL;
  
+     if (PyUnicode_GetSize(input) == 0) {
+         /* Special case empty input strings, since resizing
+            them  later would cause internal errors. */
+         Py_INCREF(input);
+         return input;
+     }
+ 
      if (strcmp(form, "NFC") == 0)
          return nfc_nfkc(input, 0);