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author | tjr <tjr@FreeBSD.org> | 2002-08-03 13:49:55 +0000 |
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committer | tjr <tjr@FreeBSD.org> | 2002-08-03 13:49:55 +0000 |
commit | eefed45007e6816b7f886d29f31a6079c800fbb7 (patch) | |
tree | 72640c311225e824b82a58cb5b8e9e18244d8f4e /lib/libc/locale/btowc.c | |
parent | dc1c7f31522480211a5befcad73e5d30fa62a12d (diff) | |
download | FreeBSD-src-eefed45007e6816b7f886d29f31a6079c800fbb7.zip FreeBSD-src-eefed45007e6816b7f886d29f31a6079c800fbb7.tar.gz |
Add ISO C90 Amd. 1 btowc(3) and wctob(3) functions.
Diffstat (limited to 'lib/libc/locale/btowc.c')
-rw-r--r-- | lib/libc/locale/btowc.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/libc/locale/btowc.c b/lib/libc/locale/btowc.c new file mode 100644 index 0000000..585abf8 --- /dev/null +++ b/lib/libc/locale/btowc.c @@ -0,0 +1,45 @@ +/*- + * Copyright (c) 2002 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 <rune.h> +#include <wchar.h> + +wint_t +btowc(int c) +{ + rune_t r; + char cc; + + if (c == EOF) + return (WEOF); + cc = (char)c; + if ((r = sgetrune(&cc, 1, NULL)) == _INVALID_RUNE) + return (WEOF); + return (r); +} |