1 files changed, 11 insertions, 0 deletions
diff --git a/prb_linux.h b/prb_linux.h
index 3acc229..9a6ba90 100644
--- a/prb_linux.h
+++ b/prb_linux.h
@@ -17,6 +17,17 @@ void sys_free(void *memory, u64 length)
 	munmap(memory, length);
 }
 
+void die(const char *error_string, ...)
+{
+	va_list args;
+	va_start(args, error_string);
+	fprintf(stderr, "error: ");
+	vfprintf(stderr, error_string, args);
+	fprintf(stderr, "\n");
+	va_end(args);
+	_exit(1);
+}
+
 u64 sys_read_file(arena_t *arena, char **buffer, const char *filename)
 {
 	FILE *file = fopen(filename, "rb");