initial

farm/maps.c

@@ -0,0 +1,26 @@
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "maps.h"
+struct Maps* load_maps(char* filename) {
+    FILE* f = fopen(filename, "r");
+    if (f == NULL) {
+        return NULL;
+    }
+    int num_maps;
+    int num_read = fread(&num_maps, 4, 1, f);
+
+    if (num_read != 1 || num_maps > 10000) {
+        return NULL;
+    }
+
+    int mapfile_size = sizeof(struct Map) * num_maps;
+    struct Maps *maps = (struct Maps *)malloc(mapfile_size + 4);
+    maps->num_maps = num_maps;
+    num_read = fread(&maps->maps, 1, mapfile_size, f);
+    if (num_read != mapfile_size) {
+        return NULL;
+    }
+    fclose(f);
+    return maps;
+}