1/* 2 * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 2000, 2001 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18/* $Id: lwresconf_test.c,v 1.13 2007/06/19 23:46:59 tbox Exp $ */ 19 20#include <config.h> 21 22#include <stdlib.h> 23 24#include <isc/mem.h> 25#include <isc/util.h> 26 27#include <lwres/lwres.h> 28 29#define USE_ISC_MEM 30 31static inline void 32CHECK(int val, const char *msg) { 33 if (val != 0) { 34 fprintf(stderr, "%s returned %d\n", msg, val); 35 exit(1); 36 } 37} 38 39#ifdef USE_ISC_MEM 40/* 41 * Wrappers around our memory management stuff, for the lwres functions. 42 */ 43static void * 44mem_alloc(void *arg, size_t size) { 45 return (isc_mem_get(arg, size)); 46} 47 48static void 49mem_free(void *arg, void *mem, size_t size) { 50 isc_mem_put(arg, mem, size); 51} 52#endif 53 54int 55main(int argc, char *argv[]) { 56 lwres_context_t *ctx; 57 const char *file = "/etc/resolv.conf"; 58 int ret; 59#ifdef USE_ISC_MEM 60 isc_mem_t *mem; 61 isc_result_t result; 62#endif 63 64 if (argc > 1) { 65 file = argv[1]; 66 } 67 68#ifdef USE_ISC_MEM 69 mem = NULL; 70 result = isc_mem_create(0, 0, &mem); 71 INSIST(result == ISC_R_SUCCESS); 72#endif 73 74 ctx = NULL; 75#ifdef USE_ISC_MEM 76 ret = lwres_context_create(&ctx, mem, mem_alloc, mem_free, 0); 77#else 78 ret = lwres_context_create(&ctx, NULL, NULL, NULL, 0); 79#endif 80 CHECK(ret, "lwres_context_create"); 81 82 lwres_conf_init(ctx); 83 if (lwres_conf_parse(ctx, file) == 0) { 84 lwres_conf_print(ctx, stderr); 85 } else { 86 perror("lwres_conf_parse"); 87 } 88 89 lwres_conf_clear(ctx); 90 lwres_context_destroy(&ctx); 91 92#ifdef USE_ISC_MEM 93 isc_mem_stats(mem, stdout); 94 isc_mem_destroy(&mem); 95#endif 96 97 return (0); 98} 99