数据库系统

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pg_encoding.c：源码内容

							/*-------------------------------------------------------------------------
 *
 * pg_encoding.c
 *
 *
 * Copyright (c) 1998, PostgreSQL development group
 *
 *
 * IDENTIFICATION
 *	  $Header: /usr/local/cvsroot/pgsql/src/bin/pg_encoding/pg_encoding.c,v 1.3 1999/02/13 23:20:26 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#include <stdlib.h>
#include <stdio.h>
#include "postgres.h"
#include "mb/pg_wchar.h"
static void usage(void);
int
main(int argc, char **argv)
{
	char		c;
	char	   *p;
	int			rtn;
	if (argc < 2)
	{
		usage();
		exit(1);
	}
	p = argv[1];
	while ((c = *p++))
	{
		if (c < '0' || c > '9')
		{
			rtn = pg_char_to_encoding(argv[1]);
			if (rtn >= 0)
				printf("%dn", rtn);
			exit(0);
		}
	}
	printf("%sn", pg_encoding_to_char(atoi(argv[1])));
	exit(0);
}
static void
usage()
{
	fprintf(stderr, "pg_encoding: encoding_name | encoding_numbern");
}

						