/* Convert wide string to string.
- Copyright (C) 2008-2011 Free Software Foundation, Inc.
+ Copyright (C) 2008-2013 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2008.
This program is free software: you can redistribute it and/or modify
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);
- }
-}
+#include "wcsnrtombs-impl.h"