NEWS.stable: log cherry-pick [e446f25]->[c092018] relocatable-shell: Update suggested...

[gnulib.git] / lib / wcsnrtombs.c

diff --git a/lib/wcsnrtombs.c b/lib/wcsnrtombs.c
index 742b857..0984301 100644 (file)
--- a/lib/wcsnrtombs.c
+++ b/lib/wcsnrtombs.c
@@ -1,5 +1,5 @@
 /* Convert wide string to string.
-   Copyright (C) 2008 Free Software Foundation, Inc.
+   Copyright (C) 2008-2014 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2008.
 
    This program is free software: you can redistribute it and/or modify
@@ -20,85 +20,11 @@
 /* Specification.  */
 #include <wchar.h>
 
-# include <errno.h>
-# include <stdlib.h>
-# include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
 
 
 extern mbstate_t _gl_wcsrtombs_state;
 
-size_t
-wcsnrtombs (char *dest, const wchar_t **srcp, size_t srclen, size_t len, mbstate_t *ps)
-{
-  if (ps == NULL)
-    ps = &_gl_wcsrtombs_state;
-  {
-    const wchar_t *src = *srcp;
-    size_t cur_max = MB_CUR_MAX;
-    char buf[64];
-
-    if (!(cur_max <= sizeof (buf)))
-      abort ();
-
-    if (dest != NULL)
-      {
-       char *destptr = dest;
-
-       for (; srclen > 0 && len > 0; src++, srclen--)
-         {
-           wchar_t wc = *src;
-           size_t ret = wcrtomb (len >= cur_max ? destptr : buf, wc, ps);
-
-           if (ret == (size_t)(-1))
-             goto bad_input;
-           if (!(ret <= cur_max))
-             abort ();
-           if (len < ret)
-             break;
-           if (len < cur_max)
-             memcpy (destptr, buf, ret);
-           if (wc == 0)
-             {
-               src = NULL;
-               /* Here mbsinit (ps).  */
-               break;
-             }
-           destptr += ret;
-           len -= ret;
-         }
-       *srcp = src;
-       return destptr - dest;
-      }
-    else
-      {
-       /* Ignore dest and len, don't store *srcp at the end, and
-          don't clobber *ps.  */
-       mbstate_t state = *ps;
-       size_t totalcount = 0;
-
-       for (; srclen > 0; src++, srclen--)
-         {
-           wchar_t wc = *src;
-           size_t ret = wcrtomb (buf, wc, &state);
-
-           if (ret == (size_t)(-1))
-             goto bad_input2;
-           if (wc == 0)
-             {
-               /* Here mbsinit (&state).  */
-               break;
-             }
-           totalcount += ret;
-         }
-       return totalcount;
-      }
-
-   bad_input:
-    *srcp = src;
-   bad_input2:
-    errno = EILSEQ;
-    return (size_t)(-1);
-  }
-}
-
-#endif
+#include "wcsnrtombs-impl.h"