src/fe_utils/option_utils.c


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/*-------------------------------------------------------------------------
 *
 * 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);
		}
	}
}