maint: update copyright

[gnulib.git] / lib / mbsrtowcs.c

diff --git a/lib/mbsrtowcs.c b/lib/mbsrtowcs.c
index ea6a018..136ec34 100644 (file)
--- a/lib/mbsrtowcs.c
+++ b/lib/mbsrtowcs.c
@@ -1,5 +1,5 @@
 /* Convert string to wide 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
@@ -29,108 +29,4 @@
 
 extern mbstate_t _gl_mbsrtowcs_state;
 
-size_t
-mbsrtowcs (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps)
-{
-  if (ps == NULL)
-    ps = &_gl_mbsrtowcs_state;
-  {
-    const char *src = *srcp;
-
-    if (dest != NULL)
-      {
-       wchar_t *destptr = dest;
-
-       for (; len > 0; destptr++, len--)
-         {
-           size_t src_avail;
-           size_t ret;
-
-           /* An optimized variant of
-              src_avail = strnlen1 (src, MB_LEN_MAX);  */
-           if (src[0] == '\0')
-             src_avail = 1;
-           else if (src[1] == '\0')
-             src_avail = 2;
-           else if (src[2] == '\0')
-             src_avail = 3;
-           else if (MB_LEN_MAX <= 4 || src[3] == '\0')
-             src_avail = 4;
-           else
-             src_avail = 4 + strnlen1 (src + 4, MB_LEN_MAX - 4);
-
-           /* Parse the next multibyte character.  */
-           ret = mbrtowc (destptr, src, src_avail, ps);
-
-           if (ret == (size_t)(-2))
-             /* Encountered a multibyte character that extends past a '\0' byte
-                or that is longer than MB_LEN_MAX bytes.  Cannot happen.  */
-             abort ();
-
-           if (ret == (size_t)(-1))
-             goto bad_input;
-           if (ret == 0)
-             {
-               src = NULL;
-               /* Here mbsinit (ps).  */
-               break;
-             }
-           src += 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 (;; totalcount++)
-         {
-           size_t src_avail;
-           size_t ret;
-
-           /* An optimized variant of
-              src_avail = strnlen1 (src, MB_LEN_MAX);  */
-           if (src[0] == '\0')
-             src_avail = 1;
-           else if (src[1] == '\0')
-             src_avail = 2;
-           else if (src[2] == '\0')
-             src_avail = 3;
-           else if (MB_LEN_MAX <= 4 || src[3] == '\0')
-             src_avail = 4;
-           else
-             src_avail = 4 + strnlen1 (src + 4, MB_LEN_MAX - 4);
-
-           /* Parse the next multibyte character.  */
-           ret = mbrtowc (NULL, src, src_avail, &state);
-
-           if (ret == (size_t)(-2))
-             /* Encountered a multibyte character that extends past a '\0' byte
-                or that is longer than MB_LEN_MAX bytes.  Cannot happen.  */
-             abort ();
-
-           if (ret == (size_t)(-1))
-             goto bad_input2;
-           if (ret == 0)
-             {
-               /* Here mbsinit (&state).  */
-               break;
-             }
-           src += ret;
-         }
-
-       return totalcount;
-      }
-
-   bad_input:
-    *srcp = src;
-   bad_input2:
-    errno = EILSEQ;
-    return (size_t)(-1);
-  }
-}
+#include "mbsrtowcs-impl.h"