Add initial private functions for src/set.c and src/tree.c

1 files changed, 53 insertions, 0 deletions

diff --git a/src/set.c b/src/set.c
new file mode 100644
index 0000000..3c03231
--- /dev/null
+++ b/src/set.c
@@ -0,0 +1,53 @@
+#include "config.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "logerr.h"
+#include "util.h"
+
+#include "set.h"
+
+
+
+struct Set {
+	size_t count;
+};
+
+
+
+int
+set_new(const struct Set **const out) {
+	int rc = -1;
+
+	const struct Set *ret = NULL;
+
+	ret = malloc(sizeof(*ret));
+	if (ret == NULL) {
+		logerr("malloc(): %s", strerror(errno));
+		goto out;
+	}
+
+	memcpy((void *)ret, &(struct Set) {
+		.count = 0U,
+	}, sizeof(*ret));
+	*out = ret;
+	rc = 0;
+out:
+	if (rc) {
+		if (ret != NULL) {
+			freeit((void *)&ret);
+		}
+	}
+	return rc;
+}
+
+void
+set_free(const struct Set **const s) {
+	assert((*s) != NULL);
+	free((void *)*s);
+}