1 files changed, 31 insertions, 0 deletions
diff --git a/src/die.h b/src/die.h
new file mode 100644
index 0000000..891d10f
--- /dev/null
+++ b/src/die.h
@@ -0,0 +1,31 @@
+#ifndef DIE_H
+#define DIE_H
+
+//
+// This module defines various utilities for ending program execution
+// abnormally.
+//
+
+#include <stdnoreturn.h> // noreturn
+
+#ifdef __GNUC__
+#define _DIE_PRINTF_ATTR __attribute__((format(printf, 1, 2)))
+#else
+#define _DIE_PRINTF_ATTR
+#endif
+
+// Exit the program, displaying no extra information.
+_DIE_PRINTF_ATTR
+noreturn void die(const char *msg, ...);
+
+// Exit the program, displaying the last libgit error.
+// It is an error to invoke this if there has been no libgit error.
+_DIE_PRINTF_ATTR
+noreturn void die_git(const char *msg, ...);
+
+// Exit the program, displaying errno message.
+// It is NOT an error to invoke this if errno is 0, just pretty weird.
+_DIE_PRINTF_ATTR
+noreturn void die_errno(const char *msg, ...);
+
+#endif