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Diffstat (limited to 'libexec/revnetgroup/hash.h')
-rw-r--r-- | libexec/revnetgroup/hash.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/libexec/revnetgroup/hash.h b/libexec/revnetgroup/hash.h new file mode 100644 index 0000000..7106967 --- /dev/null +++ b/libexec/revnetgroup/hash.h @@ -0,0 +1,67 @@ +/* + * Copyright (c) 1995 + * Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul. + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul 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. + * + * $Id$ + */ + +/* Groupname entry hung off a member_entry node. */ +struct grouplist { + char *groupname; + struct grouplist *next; +}; + +/* Entry in the cooked member list hash table. */ +struct member_entry { + char *key; + char *domain; + struct grouplist *groups; + struct member_entry *next; +}; + +/* Entry in the raw netgroup table. */ +struct group_entry { + char *key; + char *data; + struct group_entry *next; +}; + +/* Table size (chosen arbitrarily). Not too big, not too small. */ +#define TABLESIZE 256 +#define HASH_MASK 0x000000FF + +#define LINSIZ 1024 * 10 + +extern void store __P(( struct group_entry ** , char *, char * )); +extern void mstore __P(( struct member_entry ** , char *, char *, char * )); +extern char *lookup __P(( struct group_entry **, char * )); +extern void __endnetgrent __P(( void )); +extern void __setnetgrent __P(( char * )); +extern int __getnetgrent __P(( char **, char **, char ** )); |