core: add an exit code list

Add a header file that lists common exit codes and use them in the abort
function.

Signed-off-by: Danny Holman <dholman@gymli.org>

3 files changed, 33 insertions, 2 deletions

diff --git a/core/abort.c b/core/abort.c
index 292c1a1..cd66ab1 100644
--- a/core/abort.c
+++ b/core/abort.c
@@ -1,6 +1,7 @@
 #include <rune/core/abort.h>
 #include <rune/core/init.h>
 #include <rune/core/logging.h>
+#include <rune/util/exits.h>
 #include <stdlib.h>
 
 #define MAX_TRACE_ITEMS 30
@@ -50,7 +51,7 @@ NORET void rune_abort(void) {
         log_output(LOG_INFO, "Abort called, printing stack trace");
         _stack_trace();
         rune_exit();
-        exit(-1);
+        exit(REXIT_FAIL);
 }
 
 #ifdef MSVC
diff --git a/include/rune/rune.h b/include/rune/rune.h
index 98304d6..3734929 100644
--- a/include/rune/rune.h
+++ b/include/rune/rune.h
@@ -31,10 +31,12 @@
 #include <rune/core/thread.h>
 
 #include <rune/ui/input.h>
-#include <rune/ui/renderer.h>
 #include <rune/ui/scancode.h>
 #include <rune/ui/window.h>
 
+#include <rune/render/renderer.h>
+
+#include <rune/util/exits.h>
 #include <rune/util/list.h>
 #include <rune/util/types.h>
 
diff --git a/include/rune/util/exits.h b/include/rune/util/exits.h
new file mode 100644
index 0000000..dc6321b
--- /dev/null
+++ b/include/rune/util/exits.h
@@ -0,0 +1,28 @@
+/*
+ * Rune Game Engine
+ * Copyright 2024 Danny Holman <dholman@gymli.org>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+#ifndef RUNE_EXITS_H
+#define RUNE_EXITS_H
+
+#define REXIT_FAIL      -1
+#define REXIT_OK        0
+
+#endif