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>

1 files changed, 28 insertions, 0 deletions

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