2 files changed, 109 insertions, 0 deletions
diff --git a/src/list.c b/src/list.c
new file mode 100644
index 0000000..b73280f
--- /dev/null
+++ b/src/list.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2023 Johnny Richard
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <https://www.gnu.org/licenses/>.
+ */
+#include "list.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static list_t *
+list_alloc(void)
+{
+  list_t *list = (list_t *)malloc(sizeof(list_t));
+  if (list == NULL) {
+    fprintf(stderr, "list_alloc: Out of memory %s\n", strerror(errno));
+    exit(EXIT_FAILURE);
+  }
+  return list;
+}
+
+list_t *
+list_new(void)
+{
+  return NULL;
+}
+
+void
+list_prepend(list_t **list, void *data)
+{
+  list_t *new_list = list_alloc();
+  new_list->data = data;
+  new_list->next = *list;
+  *list = new_list;
+}
+
+size_t
+list_get_size(list_t *list)
+{
+  size_t size = 0;
+  while (list != NULL) {
+    list = list->next;
+    size++;
+  }
+  return size;
+}
+
+void
+list_destroy(list_t *list)
+{
+  while (list != NULL) {
+    list_t *previous = list;
+    list = list->next;
+    free(previous);
+  }
+}
diff --git a/src/list.h b/src/list.h
new file mode 100644
index 0000000..efe5720
--- /dev/null
+++ b/src/list.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 Johnny Richard
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <https://www.gnu.org/licenses/>.
+ */
+#ifndef LIST_H
+#define LIST_H
+
+#include <stdlib.h>
+
+typedef struct list_t
+{
+  void *data;
+  struct list_t *next;
+} list_t;
+
+list_t *
+list_new(void);
+
+void
+list_prepend(list_t **list, void *data);
+
+size_t
+list_get_size(list_t *list);
+
+void
+list_destroy(list_t *list);
+
+#endif /* LIST_H */