X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=src%2Fecoli_node_helper.c;fp=src%2Fecoli_node_helper.c;h=94811f23ca9041b94e7133a51f64d87643b74cc9;hb=18d03456d96f7a086a2ccc82ce97fcf056848d90;hp=0000000000000000000000000000000000000000;hpb=a1571d413d2acac5d4a4fbdf2e50b2d1a6da3aa6;p=protos%2Flibecoli.git

diff --git a/src/ecoli_node_helper.c b/src/ecoli_node_helper.c
new file mode 100644
index 0000000..94811f2
--- /dev/null
+++ b/src/ecoli_node_helper.c
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018, Olivier MATZ <zer0@droids-corp.org>
+ */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <errno.h>
+
+#include <ecoli_malloc.h>
+#include <ecoli_config.h>
+#include <ecoli_node.h>
+#include <ecoli_node_helper.h>
+
+struct ec_node **
+ec_node_config_node_list_to_table(const struct ec_config *config,
+				size_t *len)
+{
+	struct ec_node **table = NULL;
+	struct ec_config *child;
+	ssize_t n, i;
+
+	*len = 0;
+
+	if (config == NULL) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	if (ec_config_get_type(config) != EC_CONFIG_TYPE_LIST) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	n = ec_config_count(config);
+	if (n < 0)
+		return NULL;
+
+	table = ec_calloc(n, sizeof(*table));
+	if (table == NULL)
+		goto fail;
+
+	n = 0;
+	TAILQ_FOREACH(child, &config->list, next) {
+		if (ec_config_get_type(child) != EC_CONFIG_TYPE_NODE) {
+			errno = EINVAL;
+			goto fail;
+		}
+		table[n] = ec_node_clone(child->node);
+		n++;
+	}
+
+	*len = n;
+
+	return table;
+
+fail:
+	if (table != NULL) {
+		for (i = 0; i < n; i++)
+			ec_node_free(table[i]);
+	}
+	ec_free(table);
+
+	return NULL;
+}
+
+struct ec_config *
+ec_node_config_node_list_from_vargs(va_list ap)
+{
+	struct ec_config *list = NULL;
+	struct ec_node *node = va_arg(ap, struct ec_node *);
+
+	list = ec_config_list();
+	if (list == NULL)
+		goto fail;
+
+	for (; node != EC_NODE_ENDLIST; node = va_arg(ap, struct ec_node *)) {
+		if (node == NULL)
+			goto fail;
+
+		if (ec_config_list_add(list, ec_config_node(node)) < 0)
+			goto fail;
+	}
+
+	return list;
+
+fail:
+	for (; node != EC_NODE_ENDLIST; node = va_arg(ap, struct ec_node *))
+		ec_node_free(node);
+	ec_config_free(list);
+
+	return NULL;
+}