1 /* $OpenBSD: ypexclude.c,v 1.2 2015/08/20 21:49:29 deraadt Exp $ */ 2 /* 3 * Copyright (c) 2008 Theo de Raadt 4 * Copyright (c) 1995, 1996, Jason Downs. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University of California nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <stdlib.h> 32 #include <string.h> 33 #include "ypexclude.h" 34 35 int 36 __ypexclude_add(struct _ypexclude **headp, const char *name) 37 { 38 struct _ypexclude *new; 39 40 if (name[0] == '\0') /* skip */ 41 return (0); 42 43 new = malloc(sizeof(struct _ypexclude)); 44 if (new == NULL) 45 return (1); 46 new->name = strdup(name); 47 if (new->name == NULL) { 48 free(new); 49 return (1); 50 } 51 52 new->next = *headp; 53 *headp = new; 54 return (0); 55 } 56 57 int 58 __ypexclude_is(struct _ypexclude **headp, const char *name) 59 { 60 struct _ypexclude *curr; 61 62 for (curr = *headp; curr; curr = curr->next) { 63 if (strcmp(curr->name, name) == 0) 64 return (1); /* excluded */ 65 } 66 return (0); 67 } 68 69 void 70 __ypexclude_free(struct _ypexclude **headp) 71 { 72 struct _ypexclude *curr, *next; 73 74 for (curr = *headp; curr; curr = next) { 75 next = curr->next; 76 free((void *)curr->name); 77 free(curr); 78 } 79 *headp = NULL; 80 } 81