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Diffstat (limited to 'emulators/pearpc/files/wcrtomb.c')
-rw-r--r-- | emulators/pearpc/files/wcrtomb.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/emulators/pearpc/files/wcrtomb.c b/emulators/pearpc/files/wcrtomb.c new file mode 100644 index 000000000000..c0cb44a23b3d --- /dev/null +++ b/emulators/pearpc/files/wcrtomb.c @@ -0,0 +1,57 @@ +/*- + * Copyright (c) 2002, 2003 Tim J. Robbins. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <errno.h> +#include <limits.h> +#include <rune.h> +#include <stdlib.h> +#include <wchar.h> + +/* + * Emulate the ISO C wcrtomb() function in terms of the deprecated + * 4.4BSD sputrune() function. + */ +size_t +wcrtomb(char * __restrict s, wchar_t wc, + mbstate_t * __restrict ps __unused) +{ + char *e; + char buf[MB_LEN_MAX]; + + if (s == NULL) { + s = buf; + wc = L'\0'; + } + sputrune(wc, s, MB_CUR_MAX, &e); + if (e == NULL) { + errno = EILSEQ; + return ((size_t)-1); + } + return ((size_t)(e - s)); +} |