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authorRomain Forlot <romain.forlot@iot.bzh>2018-04-14 01:50:28 +0200
committerSebastien Douheret <sebastien.douheret@iot.bzh>2018-07-10 23:41:14 +0200
commit687faae61cddf439f831527c33ec82b9b79589ea (patch)
tree22c03e14a015b784aa09fbf18543a8955d4e7de5
parentdbe60c0125a1b8b7c967049a699930ca893c3271 (diff)
Add simple chained management lib
Change-Id: I9aa2e5c4da375a124a6be43d5738414b80e0567e Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
-rw-r--r--src/CMakeLists.txt1
-rw-r--r--src/utils/list.c98
-rw-r--r--src/utils/list.h36
3 files changed, 135 insertions, 0 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c83a11b..7c8c2b4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -27,6 +27,7 @@ PROJECT_TARGET_ADD(harvester)
plugins/influxdb.c
plugins/influxdb-writer.c
plugins/influxdb-reader.c
+ utils/list.c
)
set(OPENAPI_DEF "harvester-apidef" CACHE STRING "name and path to the JSON API definition without extension")
diff --git a/src/utils/list.c b/src/utils/list.c
new file mode 100644
index 0000000..da97e42
--- /dev/null
+++ b/src/utils/list.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "list.h"
+#include "string.h"
+
+void destroy_list(struct list *l)
+{
+ struct list *save;
+ while(l != NULL) {
+ save = l->next;
+ free(l);
+ l = save;
+ }
+}
+
+void add_elt(struct list *l, const char *key, json_object *value)
+{
+ struct list *new_elt = malloc(sizeof(struct list));
+ new_elt->key = key;
+ new_elt->value = value;
+ new_elt->next = NULL;
+
+ if(l) {
+ while(l->next != NULL) {
+ l = l->next;
+ }
+ l->next = new_elt;
+ }
+ else {
+ l = new_elt;
+ }
+}
+
+void add_key(struct list *l, const char *key)
+{
+ struct list *new_elt = malloc(sizeof(struct list));
+ new_elt->key = key;
+ new_elt->value = NULL;
+ new_elt->next = NULL;
+
+ if(l) {
+ while(l->next != NULL) {
+ l = l->next;
+ }
+ l->next = new_elt;
+ }
+ else {
+ l = new_elt;
+ }
+}
+
+struct list *get_elt(struct list *l, int index)
+{
+ int i;
+
+ for (i = 0; i < index; i++) {
+ l = l->next;
+ if ( l == NULL )
+ return NULL;
+ }
+
+ return l;
+}
+
+struct list *find_elt_from_key(struct list *l, const char *key)
+{
+ while(l != NULL) {
+ if(strcasecmp(l->key, key) == 0)
+ return l;
+ l = l->next;
+ }
+ return NULL;
+}
+
+json_object *find_key_value(struct list *l, const char *key)
+{
+ while(l != NULL) {
+ if(strcasecmp(l->key, key) == 0)
+ return l->value;
+ l = l->next;
+ }
+ return NULL;
+}
diff --git a/src/utils/list.h b/src/utils/list.h
new file mode 100644
index 0000000..dcb01bd
--- /dev/null
+++ b/src/utils/list.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef _LIST_H_
+#define _LIST_H_
+
+#include <stdlib.h>
+#include <json-c/json.h>
+
+struct list {
+ const char *key;
+ json_object *value;
+ struct list *next;
+};
+
+void destroy_list(struct list *l);
+void add_elt(struct list *l, const char *key, json_object *value);
+void add_key(struct list *l, const char *key);
+struct list *get_elt(struct list *l, int index);
+struct list *find_elt_from_key(struct list *l, const char *key);
+json_object *find_key_value(struct list *l, const char *key);
+
+#endif