Hashmap improvements and include guards

Hashmap capacity can be set programmatically and it grows/shrinks in
size when the load increases/decreases to avoid collisions/save memory.

1 files changed, 11 insertions, 2 deletions

diff --git a/src/template.h b/src/template.h
index 45a58fc..6defb02 100644
--- a/src/template.h
+++ b/src/template.h
@@ -1,10 +1,19 @@
+#ifndef UNJA_TEMPLATE_H
+#define UNJA_TEMPLATE_H
+
 #include "hashmap.h"
 #include "vector.h"
 
-
 struct env;
+
 struct env *env_new();
+
 void env_free(struct env *env);
+
 char *template(struct env *env, char *template_name, struct hashmap *ctx);
+
 char *template_string(char *tmpl, struct hashmap *ctx);
-char *read_file(char *filename);
\ No newline at end of file
+
+char *read_file(char *filename);
+
+#endif