X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmbrtowc.c;h=0546f6db7addc1c588e5a59dcb34e4407f682435;hb=05ead8cea3cf9ff3d0f6ec50df0e177880d31aa8;hp=7cf624a75c25886fa85d51fc4a64935f3659d8ee;hpb=441aa3044f43e5572f58c354f01e6bc070acd5c7;p=gnulib.git

diff --git a/lib/mbrtowc.c b/lib/mbrtowc.c
index 7cf624a75..0546f6db7 100644
--- a/lib/mbrtowc.c
+++ b/lib/mbrtowc.c
@@ -1,5 +1,5 @@
 /* Convert multibyte character to wide character.
-   Copyright (C) 1999-2002, 2005-2009 Free Software Foundation, Inc.
+   Copyright (C) 1999-2002, 2005-2011 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2008.
 
    This program is free software: you can redistribute it and/or modify
@@ -91,7 +91,7 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
 
     /* Here m > 0.  */
 
-# if __GLIBC__
+# if __GLIBC__ || defined __UCLIBC__
     /* Work around bug <http://sourceware.org/bugzilla/show_bug.cgi?id=9674> */
     mbtowc (NULL, NULL, 0);
 # endif
@@ -321,7 +321,7 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
 size_t
 rpl_mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
 {
-# if MBRTOWC_NULL_ARG_BUG || MBRTOWC_RETVAL_BUG
+# if MBRTOWC_NULL_ARG2_BUG || MBRTOWC_RETVAL_BUG
   if (s == NULL)
     {
       pwc = NULL;
@@ -379,7 +379,16 @@ rpl_mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
     return ret;
   }
 # else
-  return mbrtowc (pwc, s, n, ps);
+  {
+#   if MBRTOWC_NULL_ARG1_BUG
+    wchar_t dummy;
+
+    if (pwc == NULL)
+      pwc = &dummy;
+#   endif
+
+    return mbrtowc (pwc, s, n, ps);
+  }
 # endif
 }