diff options
Diffstat (limited to 'gnu/mbsrtowcs.c')
-rw-r--r-- | gnu/mbsrtowcs.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/gnu/mbsrtowcs.c b/gnu/mbsrtowcs.c deleted file mode 100644 index ced2942..0000000 --- a/gnu/mbsrtowcs.c +++ /dev/null @@ -1,138 +0,0 @@ -/* -*- buffer-read-only: t -*- vi: set ro: */ -/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ -/* Convert string to wide string. - Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. - Written by Bruno Haible <bruno@clisp.org>, 2008. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -#include <config.h> - -/* Specification. */ -#include <wchar.h> - -#include <errno.h> -#include <limits.h> -#include <stdlib.h> - -#include "strnlen1.h" - - -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); - } -} |