BSD 4_3_Tahoe release

[unix-history] / usr / src / usr.lib / sendmail / aux / praliases.c

/*
* 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 the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley.  The name of the
* University may not 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 MERCHANTIBILITY 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 5.4 (Berkeley) 6/29/88";
#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);
}