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Diffstat (limited to 'src/rdlist.c')
| -rw-r--r-- | src/rdlist.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/rdlist.c b/src/rdlist.c new file mode 100644 index 0000000..48b2a0b --- /dev/null +++ b/src/rdlist.c @@ -0,0 +1,138 @@ +/* Authors: Adam Tkac <atkac@redhat.com> + * Martin Nagy <mnagy@redhat.com> + * + * Copyright (C) 2009 Red Hat + * see file 'COPYING' for use and warranty information + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 only + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <isc/mem.h> +#include <isc/result.h> +#include <isc/util.h> + +#include <dns/rdata.h> +#include <dns/rdatalist.h> + +#include <string.h> + +#include "ldap_helper.h" /* TODO: Move things from ldap_helper here? */ +#include "rdlist.h" +#include "util.h" + + +static isc_result_t +rdata_clone(isc_mem_t *mctx, dns_rdata_t *source, dns_rdata_t **targetp) +{ + isc_result_t result; + dns_rdata_t *target = NULL; + isc_region_t target_region, source_region; + + REQUIRE(mctx != NULL); + REQUIRE(source != NULL); + REQUIRE(targetp != NULL && *targetp == NULL); + + CHECKED_MEM_GET_PTR(mctx, target); + + dns_rdata_init(target); + + dns_rdata_toregion(source, &source_region); + + CHECKED_MEM_GET(mctx, target_region.base, source_region.length); + + target_region.length = source_region.length; + memcpy(target_region.base, source_region.base, source_region.length); + dns_rdata_fromregion(target, source->rdclass, source->type, + &target_region); + + *targetp = target; + + return ISC_R_SUCCESS; + +cleanup: + SAFE_MEM_PUT_PTR(mctx, target); + + return result; +} + +isc_result_t +rdatalist_clone(isc_mem_t *mctx, dns_rdatalist_t *source, + dns_rdatalist_t **targetp) +{ + dns_rdatalist_t *target; + dns_rdata_t *source_rdata; + dns_rdata_t *target_rdata; + isc_result_t result; + + REQUIRE(mctx != NULL); + REQUIRE(source != NULL); + REQUIRE(targetp != NULL && *targetp == NULL); + + CHECKED_MEM_GET_PTR(mctx, target); + + dns_rdatalist_init(target); + target->rdclass = source->rdclass; + target->type = source->type; + target->covers = source->covers; + target->ttl = source->ttl; + + source_rdata = HEAD(source->rdata); + while (source_rdata != NULL) { + target_rdata = NULL; + CHECK(rdata_clone(mctx, source_rdata, &target_rdata)); + APPEND(target->rdata, target_rdata, link); + source_rdata = NEXT(source_rdata, link); + } + + *targetp = target; + + return ISC_R_SUCCESS; + +cleanup: + if (target) + free_rdatalist(mctx, target); + SAFE_MEM_PUT_PTR(mctx, target); + + return result; +} + +isc_result_t +ldap_rdatalist_copy(isc_mem_t *mctx, ldapdb_rdatalist_t source, + ldapdb_rdatalist_t *target) +{ + dns_rdatalist_t *rdlist; + dns_rdatalist_t *new_rdlist; + isc_result_t result; + + REQUIRE(mctx != NULL); + REQUIRE(target != NULL); + + INIT_LIST(*target); + + rdlist = HEAD(source); + while (rdlist != NULL) { + new_rdlist = NULL; + CHECK(rdatalist_clone(mctx, rdlist, &new_rdlist)); + APPEND(*target, new_rdlist, link); + + rdlist = NEXT(rdlist, link); + } + + return ISC_R_SUCCESS; + +cleanup: + ldapdb_rdatalist_destroy(mctx, target); + + return result; +} |