X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmbsnrtowcs.c;h=3aed52859a14dc49a2209bc2c883658a9610f378;hb=0874a5828bbb4784e9c9d54243b3c978e8e54ece;hp=0308b2346a351350a227cd00a56d5c26fa40ca51;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/lib/mbsnrtowcs.c b/lib/mbsnrtowcs.c
index 0308b2346..3aed52859 100644
--- a/lib/mbsnrtowcs.c
+++ b/lib/mbsnrtowcs.c
@@ -1,5 +1,5 @@
 /* Convert string to wide string.
-   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2008-2012 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2008.
 
    This program is free software: you can redistribute it and/or modify
@@ -30,110 +30,4 @@
 
 extern mbstate_t _gl_mbsrtowcs_state;
 
-size_t
-mbsnrtowcs (wchar_t *dest, const char **srcp, size_t srclen, 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 (; srclen > 0 && len > 0; destptr++, len--)
-          {
-            size_t src_avail;
-            size_t ret;
-
-            /* An optimized variant of
-               src_avail = strnlen1 (src, MIN (srclen, MB_LEN_MAX));  */
-            if (srclen == 1 || src[0] == '\0')
-              src_avail = 1;
-            else if (srclen == 2 || src[1] == '\0')
-              src_avail = 2;
-            else if (srclen == 3 || src[2] == '\0')
-              src_avail = 3;
-            else if (MB_LEN_MAX <= 4 || srclen == 4 || src[3] == '\0')
-              src_avail = 4;
-            else
-              src_avail = 4 + strnlen1 (src + 4, MIN (srclen, 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;
-            srclen -= 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; totalcount++)
-          {
-            size_t src_avail;
-            size_t ret;
-
-            /* An optimized variant of
-               src_avail = strnlen1 (src, MIN (srclen, MB_LEN_MAX));  */
-            if (srclen == 1 || src[0] == '\0')
-              src_avail = 1;
-            else if (srclen == 2 || src[1] == '\0')
-              src_avail = 2;
-            else if (srclen == 3 || src[2] == '\0')
-              src_avail = 3;
-            else if (MB_LEN_MAX <= 4 || srclen == 4 || src[3] == '\0')
-              src_avail = 4;
-            else
-              src_avail = 4 + strnlen1 (src + 4, MIN (srclen, 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;
-            srclen -= ret;
-          }
-
-        return totalcount;
-      }
-
-   bad_input:
-    *srcp = src;
-   bad_input2:
-    errno = EILSEQ;
-    return (size_t)(-1);
-  }
-}
+#include "mbsnrtowcs-impl.h"