1 /* -*- buffer-read-only: t -*- vi: set ro: */
2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
3 /* Convert string to wide string.
4 Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
5 Written by Bruno Haible <bruno@clisp.org>, 2008.
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
32 extern mbstate_t _gl_mbsrtowcs_state;
35 mbsrtowcs (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps)
38 ps = &_gl_mbsrtowcs_state;
40 const char *src = *srcp;
44 wchar_t *destptr = dest;
46 for (; len > 0; destptr++, len--)
51 /* An optimized variant of
52 src_avail = strnlen1 (src, MB_LEN_MAX); */
55 else if (src[1] == '\0')
57 else if (src[2] == '\0')
59 else if (MB_LEN_MAX <= 4 || src[3] == '\0')
62 src_avail = 4 + strnlen1 (src + 4, MB_LEN_MAX - 4);
64 /* Parse the next multibyte character. */
65 ret = mbrtowc (destptr, src, src_avail, ps);
67 if (ret == (size_t)(-2))
68 /* Encountered a multibyte character that extends past a '\0' byte
69 or that is longer than MB_LEN_MAX bytes. Cannot happen. */
72 if (ret == (size_t)(-1))
77 /* Here mbsinit (ps). */
84 return destptr - dest;
88 /* Ignore dest and len, don't store *srcp at the end, and
90 mbstate_t state = *ps;
91 size_t totalcount = 0;
98 /* An optimized variant of
99 src_avail = strnlen1 (src, MB_LEN_MAX); */
102 else if (src[1] == '\0')
104 else if (src[2] == '\0')
106 else if (MB_LEN_MAX <= 4 || src[3] == '\0')
109 src_avail = 4 + strnlen1 (src + 4, MB_LEN_MAX - 4);
111 /* Parse the next multibyte character. */
112 ret = mbrtowc (NULL, src, src_avail, &state);
114 if (ret == (size_t)(-2))
115 /* Encountered a multibyte character that extends past a '\0' byte
116 or that is longer than MB_LEN_MAX bytes. Cannot happen. */
119 if (ret == (size_t)(-1))
123 /* Here mbsinit (&state). */