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Diffstat (limited to 'mit-pthreads/net/res_querydomain.c')
| -rw-r--r-- | mit-pthreads/net/res_querydomain.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/mit-pthreads/net/res_querydomain.c b/mit-pthreads/net/res_querydomain.c new file mode 100644 index 00000000000..31beeb7a62c --- /dev/null +++ b/mit-pthreads/net/res_querydomain.c @@ -0,0 +1,66 @@ +/* + * Copyright (c) 1985 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 = "from: @(#)res_querydomain.c 6.22 (Berkeley) 3/19/91";*/ +static char *rcsid = "$Id$"; +#endif /* LIBC_SCCS and not lint */ + +#include <pthread.h> +#include <resolv.h> +#include <string.h> + +/* For backwards compatibility. */ +int res_querydomain(char *name, char *domain, int class, int type, + unsigned char *answer, int anslen) +{ + char buf[2 * MAXDNAME + 2]; + char *longname = buf; + int len; + + if (domain == NULL) { + /* Check for trailing '.'; copy without '.' if present. */ + len = strlen(name); + if (len > 0 && name[len - 1] == '.' && len < sizeof(buf)) { + memcpy(buf, name, len - 1); + buf[len - 1] = '\0'; + } else { + longname = name; + } + } else { + sprintf(buf, "%.*s.%.*s", MAXDNAME, name, MAXDNAME, domain); + } + + return (res_query(longname, class, type, answer, anslen)); +} + |