From e92c9c1eb410f39f55fd80c8895b545902406ea7 Mon Sep 17 00:00:00 2001
From: Kirill Petrashin <kirill8201@yandex.ru>
Date: Thu, 19 Mar 2026 23:06:55 +0300
Subject: Add macros for errors and todos, outline priority_queue.c

---
 error.h          | 10 ++++++++++
 main.c           |  1 +
 priority_queue.c | 23 ++++++++++++++++++++++-
 priority_queue.h |  2 +-
 4 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 error.h

diff --git a/error.h b/error.h
new file mode 100644
index 0000000..3bb74ed
--- /dev/null
+++ b/error.h
@@ -0,0 +1,10 @@
+#ifndef ERROR_H_
+#define ERROR_H_
+
+#include <stdlib.h>
+
+/* Clean up and exit, printing a message */
+#define error(...) { endwin(); printf(__FILE__ ": %i", __LINE__); printf(": " __VA_ARGS__); exit(1); }
+#define todo() { endwin(); printf(__FILE__": %i: Not yet implemented\n", __LINE__); exit(1); }
+
+#endif /* ERROR_H_ */
diff --git a/main.c b/main.c
index c67e0aa..4becc96 100644
--- a/main.c
+++ b/main.c
@@ -6,6 +6,7 @@
 #include "map.h"
 #include "structs.h"
 #include "config.h"
+#include "error.h"
 
 /* So, TODO for now:
    - Add a function/macro for errors, akin to sigint_handler()
diff --git a/priority_queue.c b/priority_queue.c
index 60e99c4..4db7597 100644
--- a/priority_queue.c
+++ b/priority_queue.c
@@ -1,5 +1,26 @@
+#include <stdio.h>
+#include <curses.h>
 #include "priority_queue.h"
+#include "error.h"
 
 /*TODO: implement */
 
-typedef int the_compiler_isnt_happy_about_an_empty_file;
+PositionPQ ppq_new(Position pos, size_t priority) {
+    (void)pos, (void)priority;
+    todo();
+}
+
+void ppq_insert(PositionPQ ppq, Position pos, size_t priority) {
+    (void)ppq, (void)pos, (void)priority;
+    todo();
+}
+
+Position ppq_pop(PositionPQ ppq) {
+    (void)ppq;
+    todo();
+}
+
+void ppq_reprioritize(PositionPQ ppq, Position pos, size_t priority) {
+    (void)ppq, (void)pos, (void)priority;
+    todo();
+}
diff --git a/priority_queue.h b/priority_queue.h
index 45252a8..0dbd161 100644
--- a/priority_queue.h
+++ b/priority_queue.h
@@ -21,7 +21,7 @@ PositionPQ ppq_new(Position pos, size_t priority);
 void ppq_insert(PositionPQ ppq, Position pos, size_t priority);
 
 /* Remove and return the position with the lowest priority */
-Position ppq_remove(PositionPQ ppq);
+Position ppq_pop(PositionPQ ppq);
 
 /* Change the priority of a given pos, moving it to a different place in the
  * linked list ("POTENTIALLY NOT NEEDED" since we don't use different weights */
-- 
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