1 files changed, 38 insertions, 0 deletions
diff --git a/src/fe_utils/option_utils.c b/src/fe_utils/option_utils.c
new file mode 100644
index 00000000000..e19a495dba7
--- /dev/null
+++ b/src/fe_utils/option_utils.c
@@ -0,0 +1,38 @@
+/*-------------------------------------------------------------------------
+ *
+ * Command line option processing facilities for frontend code
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/fe_utils/option_utils.c
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres_fe.h"
+
+#include "fe_utils/option_utils.h"
+
+/*
+ * Provide strictly harmonized handling of --help and --version
+ * options.
+ */
+void
+handle_help_version_opts(int argc, char *argv[],
+						 const char *fixed_progname, help_handler hlp)
+{
+	if (argc > 1)
+	{
+		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
+		{
+			hlp(get_progname(argv[0]));
+			exit(0);
+		}
+		if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
+		{
+			printf("%s (PostgreSQL) " PG_VERSION "\n", fixed_progname);
+			exit(0);
+		}
+	}
+}