Add version function

This function outputs program name, build date, author(s) and license

1 files changed, 16 insertions, 0 deletions

diff --git a/version.c b/version.c
new file mode 100644
index 0000000..234a9f5
--- /dev/null
+++ b/version.c
@@ -0,0 +1,16 @@
+#include "./version.h"
+#include <stdio.h>
+#include <stdlib.h>
+void version()
+{
+	printf(PROGRAM_NAME
+	       " " PROGRAM_VERSION " (built " BUILD_DATE
+	       " with gcc " GCC_VERSION ")\n"
+	       "Copyright (C) 2026 " PROGRAM_AUTHOR ".\n"
+	       "License GPLv3+: GNU GPL version 3 or later "
+	       "<https://gnu.org/licenses/gpl.html>.\n"
+	       "This is free software: you are free to change and redistribute "
+	       "it.\n"
+	       "There is NO WARRANTY, to the extent permitted by law.\n");
+	exit(EXIT_SUCCESS);
+}