Libc-825.25.tar.gz

[apple/libc.git] / stdio / FreeBSD / fputws.c

diff --git a/stdio/FreeBSD/fputws.c b/stdio/FreeBSD/fputws.c
index b1eb8eda6a761b74cd6d1f980493e3aa482bd7c4..1ff04845dcbeb470c2a2dfdb3b5df35ab8c8cae7 100644 (file)
--- a/stdio/FreeBSD/fputws.c
+++ b/stdio/FreeBSD/fputws.c
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2002 Tim J. Robbins.
+ * Copyright (c) 2002-2004 Tim J. Robbins.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -25,29 +25,60 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdio/fputws.c,v 1.4 2002/09/20 13:25:40 tjr Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/stdio/fputws.c,v 1.8 2009/01/15 18:53:52 rdivacky Exp $");
+
+#include "xlocale_private.h"
 
 #include "namespace.h"
 #include <errno.h>
+#include <limits.h>
 #include <stdio.h>
 #include <wchar.h>
 #include "un-namespace.h"
+#include "fvwrite.h"
 #include "libc_private.h"
 #include "local.h"
+#include "mblocal.h"
 
 int
-fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
+fputws_l(const wchar_t * __restrict ws, FILE * __restrict fp, locale_t loc)
 {
+       size_t nbytes;
+       char buf[BUFSIZ];
+       struct __suio uio;
+       struct __siov iov;
+       const wchar_t *wsp = ws;
+       size_t (*__wcsnrtombs)(char * __restrict, const wchar_t ** __restrict,
+           size_t, size_t, mbstate_t * __restrict, locale_t);
 
+       NORMALIZE_LOCALE(loc);
+       __wcsnrtombs = loc->__lc_ctype->__wcsnrtombs;
        FLOCKFILE(fp);
        ORIENT(fp, 1);
-       /* XXX Inefficient */
-       while (*ws != '\0')
-               if (__fputwc(*ws++, fp) == WEOF) {
-                       FUNLOCKFILE(fp);
-                       return (-1);
-               }
+       if (prepwrite(fp) != 0)
+               goto error;
+       uio.uio_iov = &iov;
+       uio.uio_iovcnt = 1;
+       iov.iov_base = buf;
+       do {
+               nbytes = __wcsnrtombs(buf, &wsp, SIZE_T_MAX, sizeof(buf),
+                   &fp->_mbstate, loc);
+               if (nbytes == (size_t)-1)
+                       goto error;
+               iov.iov_len = uio.uio_resid = nbytes;
+               if (__sfvwrite(fp, &uio) != 0)
+                       goto error;
+       } while (wsp != NULL);
        FUNLOCKFILE(fp);
-
        return (0);
+
+error:
+       FUNLOCKFILE(fp);
+       return (-1);
+}
+
+int
+fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
+{
+       return fputws_l(ws, fp, __current_locale());
 }