[patch] SPU readlink

[Ken Werner]

Hi,

since the declaration of readlink (libc/include/sys/unistd.h) is now conform 
to POSIX: 
http://sourceware.org/cgi-bin/cvsweb.cgi/src/newlib/libc/include/sys/unistd.h?cvsroot=src 
the SPU readlink implementation should also be adjusted. Ok for apply?

Ken

libgloss/ChangeLog:

2008-04-23  Ken Werner  <ken.werner@de.ibm.com>
        * spu/readlink.c: Align readlink implementation to POSIX

Index: src/libgloss/spu/readlink.c
===================================================================
--- src.orig/libgloss/spu/readlink.c
+++ src/libgloss/spu/readlink.c
@@ -44,14 +44,8 @@ typedef struct
   unsigned int pad2[3];
 } syscall_readlink_t;
 
-/*
- * POSIX says readlink returns ssize_t, and has an size_t bufsiz, but
- * newlib has it prototyped as returning int, and int bufsiz. ssize_t,
- * size_t and int are ally currently 4 bytes for SPU, so just leave them
- * as ints for now.
- */
-int
-readlink (const char *path, char *buf, int bufsiz)
+ssize_t
+readlink (const char *path, char *buf, size_t bufsiz)
 {
   syscall_readlink_t sys;