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BSD 4.3reno

/*
 * Copyright (c) 1983 Eric P. Allman
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted provided
 * that: (1) source distributions retain this entire copyright notice and
 * comment, and (2) distributions including binaries display the following
 * acknowledgement:  ``This product includes software developed by the
 * University of California, Berkeley and its contributors'' in the
 * documentation or other materials provided with the distribution and in
 * all advertising materials mentioning features or use of this software.
 * Neither the name of the University nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1988 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)praliases.c	5.5 (Berkeley) 6/1/90";
#endif /* not lint */

#include <sendmail.h>

typedef struct {
	char *dptr;
	int dsize;
} datum;


main(argc, argv)
	char **argv;
{
	extern char *optarg;
	extern int optind;
	static char *filename = "/usr/lib/aliases";
	datum content, key, firstkey(), nextkey(), fetch();
	int ch;

	while ((ch = getopt(argc, argv, "f:")) != EOF)
		switch((char)ch) {
		case 'f':
			filename = optarg;
			break;
		case '?':
		default:
			fputs("usage: praliases [-f file]\n", stderr);
			exit(EX_USAGE);
		}
	argc -= optind;
	argv += optind;

	if (dbminit(filename) < 0)
		exit(EX_OSFILE);
	if (!argc)
		for (key = firstkey(); key.dptr; key = nextkey(key)) {
			content = fetch(key);
			printf("%s:%s\n", key.dptr, content.dptr);
		}
	else for (; *argv; ++argv) {
		key.dptr = *argv;
		key.dsize = strlen(*argv) + 1;
		content = fetch(key);
		if (!content.dptr)
			printf("%s: No such key\n", key.dptr);
		else
			printf("%s:%s\n", key.dptr, content.dptr);
	}
	exit(EX_OK);
}

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