[patch] SPU strncpy fix

[Ken Werner]

Hi,

according to the C standard strncpy should pad null bytes if the length of 
the "src" string is less than "n". Ok to Apply?

Ken

newlib/ChangeLog:

2008-07-17  Ken Werner  <ken.werner@de.ibm.com>

        * libc/machine/spu/strcpy.h: Pad null bytes if necessary.

Index: src/newlib/libc/machine/spu/strcpy.h
===================================================================
--- src.orig/newlib/libc/machine/spu/strcpy.h
+++ src/newlib/libc/machine/spu/strcpy.h
@@ -176,5 +176,9 @@ static inline void * _strncpy(char * __r
      */
     dest[maxlen - spu_extract(curlen, 0)] = '\0';
   }
+
+  /* Pad null bytes if the length of the "src" is less than "n" (strncpy).  
*/
+  if (checklen && !lastzero && (maxlen != spu_extract(curlen,0)))
+    memset(dest + spu_extract(curlen, 0), 0, maxlen - spu_extract(curlen, 
0));
   return (dest);
 }