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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:37:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:37:14 +0000 |
commit | ea648e70a989cca190cd7403fe892fd2dcc290b4 (patch) | |
tree | e2b6b1c647da68b0d4d66082835e256eb30970e8 /unit/atf-src/atf-c/detail/map.c | |
parent | Initial commit. (diff) | |
download | bind9-upstream.tar.xz bind9-upstream.zip |
Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'unit/atf-src/atf-c/detail/map.c')
-rw-r--r-- | unit/atf-src/atf-c/detail/map.c | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/unit/atf-src/atf-c/detail/map.c b/unit/atf-src/atf-c/detail/map.c new file mode 100644 index 0000000..45de47f --- /dev/null +++ b/unit/atf-src/atf-c/detail/map.c @@ -0,0 +1,380 @@ +/* Copyright (c) 2008 The NetBSD Foundation, Inc. + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ + +#include "atf-c/detail/map.h" + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#include "atf-c/detail/sanity.h" +#include "atf-c/error.h" +#include "atf-c/utils.h" + +/* --------------------------------------------------------------------- + * Auxiliary functions. + * --------------------------------------------------------------------- */ + +struct map_entry { + char *m_key; + void *m_value; + bool m_managed; +}; + +static +struct map_entry * +new_entry(const char *key, void *value, bool managed) +{ + struct map_entry *me; + + me = (struct map_entry *)malloc(sizeof(*me)); + if (me != NULL) { + me->m_key = strdup(key); + if (me->m_key == NULL) { + free(me); + me = NULL; + } else { + me->m_value = value; + me->m_managed = managed; + } + } + + return me; +} + +/* --------------------------------------------------------------------- + * The "atf_map_citer" type. + * --------------------------------------------------------------------- */ + +/* + * Getters. + */ + +const char * +atf_map_citer_key(const atf_map_citer_t citer) +{ + const struct map_entry *me = citer.m_entry; + PRE(me != NULL); + return me->m_key; +} + +const void * +atf_map_citer_data(const atf_map_citer_t citer) +{ + const struct map_entry *me = citer.m_entry; + PRE(me != NULL); + return me->m_value; +} + +atf_map_citer_t +atf_map_citer_next(const atf_map_citer_t citer) +{ + atf_map_citer_t newciter; + + newciter = citer; + newciter.m_listiter = atf_list_citer_next(citer.m_listiter); + newciter.m_entry = ((const struct map_entry *) + atf_list_citer_data(newciter.m_listiter)); + + return newciter; +} + +bool +atf_equal_map_citer_map_citer(const atf_map_citer_t i1, + const atf_map_citer_t i2) +{ + return i1.m_map == i2.m_map && i1.m_entry == i2.m_entry; +} + +/* --------------------------------------------------------------------- + * The "atf_map_iter" type. + * --------------------------------------------------------------------- */ + +/* + * Getters. + */ + +const char * +atf_map_iter_key(const atf_map_iter_t iter) +{ + const struct map_entry *me = iter.m_entry; + PRE(me != NULL); + return me->m_key; +} + +void * +atf_map_iter_data(const atf_map_iter_t iter) +{ + const struct map_entry *me = iter.m_entry; + PRE(me != NULL); + return me->m_value; +} + +atf_map_iter_t +atf_map_iter_next(const atf_map_iter_t iter) +{ + atf_map_iter_t newiter; + + newiter = iter; + newiter.m_listiter = atf_list_iter_next(iter.m_listiter); + newiter.m_entry = ((struct map_entry *) + atf_list_iter_data(newiter.m_listiter)); + + return newiter; +} + +bool +atf_equal_map_iter_map_iter(const atf_map_iter_t i1, + const atf_map_iter_t i2) +{ + return i1.m_map == i2.m_map && i1.m_entry == i2.m_entry; +} + +/* --------------------------------------------------------------------- + * The "atf_map" type. + * --------------------------------------------------------------------- */ + +/* + * Constructors and destructors. + */ + +atf_error_t +atf_map_init(atf_map_t *m) +{ + return atf_list_init(&m->m_list); +} + +atf_error_t +atf_map_init_charpp(atf_map_t *m, const char *const *array) +{ + atf_error_t err; + const char *const *ptr = array; + + err = atf_map_init(m); + if (array != NULL) { + while (!atf_is_error(err) && *ptr != NULL) { + const char *key, *value; + + key = *ptr; + INV(key != NULL); + ptr++; + + if ((value = *ptr) == NULL) { + err = atf_libc_error(EINVAL, "List too short; no value for " + "key '%s' provided", key); /* XXX: Not really libc_error */ + break; + } + ptr++; + + err = atf_map_insert(m, key, strdup(value), true); + } + } + + if (atf_is_error(err)) + atf_map_fini(m); + + return err; +} + +void +atf_map_fini(atf_map_t *m) +{ + atf_list_iter_t iter; + + atf_list_for_each(iter, &m->m_list) { + struct map_entry *me = atf_list_iter_data(iter); + + if (me->m_managed) + free(me->m_value); + free(me->m_key); + free(me); + } + atf_list_fini(&m->m_list); +} + +/* + * Getters. + */ + +atf_map_iter_t +atf_map_begin(atf_map_t *m) +{ + atf_map_iter_t iter; + iter.m_map = m; + iter.m_listiter = atf_list_begin(&m->m_list); + iter.m_entry = atf_list_iter_data(iter.m_listiter); + return iter; +} + +atf_map_citer_t +atf_map_begin_c(const atf_map_t *m) +{ + atf_map_citer_t citer; + citer.m_map = m; + citer.m_listiter = atf_list_begin_c(&m->m_list); + citer.m_entry = atf_list_citer_data(citer.m_listiter); + return citer; +} + +atf_map_iter_t +atf_map_end(atf_map_t *m) +{ + atf_map_iter_t iter; + iter.m_map = m; + iter.m_entry = NULL; + iter.m_listiter = atf_list_end(&m->m_list); + return iter; +} + +atf_map_citer_t +atf_map_end_c(const atf_map_t *m) +{ + atf_map_citer_t iter; + iter.m_map = m; + iter.m_entry = NULL; + iter.m_listiter = atf_list_end_c(&m->m_list); + return iter; +} + +atf_map_iter_t +atf_map_find(atf_map_t *m, const char *key) +{ + atf_list_iter_t iter; + + atf_list_for_each(iter, &m->m_list) { + struct map_entry *me = atf_list_iter_data(iter); + + if (strcmp(me->m_key, key) == 0) { + atf_map_iter_t i; + i.m_map = m; + i.m_entry = me; + i.m_listiter = iter; + return i; + } + } + + return atf_map_end(m); +} + +atf_map_citer_t +atf_map_find_c(const atf_map_t *m, const char *key) +{ + atf_list_citer_t iter; + + atf_list_for_each_c(iter, &m->m_list) { + const struct map_entry *me = atf_list_citer_data(iter); + + if (strcmp(me->m_key, key) == 0) { + atf_map_citer_t i; + i.m_map = m; + i.m_entry = me; + i.m_listiter = iter; + return i; + } + } + + return atf_map_end_c(m); +} + +size_t +atf_map_size(const atf_map_t *m) +{ + return atf_list_size(&m->m_list); +} + +char ** +atf_map_to_charpp(const atf_map_t *l) +{ + char **array; + atf_map_citer_t iter; + size_t i; + + array = malloc(sizeof(char *) * (atf_map_size(l) * 2 + 1)); + if (array == NULL) + goto out; + + i = 0; + atf_map_for_each_c(iter, l) { + array[i] = strdup(atf_map_citer_key(iter)); + if (array[i] == NULL) { + atf_utils_free_charpp(array); + array = NULL; + goto out; + } + + array[i + 1] = strdup((const char *)atf_map_citer_data(iter)); + if (array[i + 1] == NULL) { + atf_utils_free_charpp(array); + array = NULL; + goto out; + } + + i += 2; + } + array[i] = NULL; + +out: + return array; +} + +/* + * Modifiers. + */ + +atf_error_t +atf_map_insert(atf_map_t *m, const char *key, void *value, bool managed) +{ + struct map_entry *me; + atf_error_t err; + atf_map_iter_t iter; + + iter = atf_map_find(m, key); + if (atf_equal_map_iter_map_iter(iter, atf_map_end(m))) { + me = new_entry(key, value, managed); + if (me == NULL) + err = atf_no_memory_error(); + else { + err = atf_list_append(&m->m_list, me, false); + if (atf_is_error(err)) { + if (managed) + free(value); + free(me->m_key); + free(me); + } + } + } else { + me = iter.m_entry; + if (me->m_managed) + free(me->m_value); + + INV(strcmp(me->m_key, key) == 0); + me->m_value = value; + me->m_managed = managed; + + err = atf_no_error(); + } + + return err; +} |