X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/c957a83bde4df2e2d3d1ed0963656856b48ef0a0..224c70764cab4e0e39a26aaf3ad3016552f62f55:/gen/gethostname-fbsd.c diff --git a/gen/gethostname-fbsd.c b/gen/gethostname-fbsd.c new file mode 100644 index 0000000..5ca394d --- /dev/null +++ b/gen/gethostname-fbsd.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)gethostname.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include +__FBSDID("$FreeBSD: src/lib/libc/gen/gethostname.c,v 1.5 2003/08/19 23:01:46 wollman Exp $"); + +#include +#include +#include + +#include + +int +gethostname(name, namelen) + char *name; + size_t namelen; +{ + int mib[2]; + + /* Kluge to avoid ABI breakage. */ + namelen = (int)namelen; + + mib[0] = CTL_KERN; + mib[1] = KERN_HOSTNAME; + if (namelen < MAXHOSTNAMELEN + 1) { + char local_buf[MAXHOSTNAMELEN + 1]; + size_t local_len = sizeof(local_buf); + if (sysctl(mib, 2, local_buf, &local_len, NULL, 0) == -1) { + if (errno == ENOMEM) + errno = ENAMETOOLONG; + return (-1); + } + strncpy(name, local_buf, namelen); + name[namelen - 1] = 0; + } else { + if (sysctl(mib, 2, name, &namelen, NULL, 0) == -1) { + if (errno == ENOMEM) + errno = ENAMETOOLONG; + return (-1); + } + } + return (0); +}