Add printf and fix error message.

[unix-history] / usr / src / libexec / makekey / makekey.c

/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1990 The Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)makekey.c   5.3 (Berkeley) %G%";
#endif /* not lint */

#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static void error(), get();

main()
{
       int len;
       char *r, key[9], salt[3];
       
       get(key, sizeof(key) - 1);
       get(salt, sizeof(salt) - 1);
       len = strlen(r = crypt(key, salt));
       if (write(STDOUT_FILENO, r, len) != len)
               error();
       exit(0);
}

static void
get(bp, len)
       char *bp;
       register int len;
{
       register int nr;

       bp[len] = '\0';
       if ((nr = read(STDIN_FILENO, bp, len)) == len)
               return;
       if (nr >= 0)
               errno = EFTYPE;
       error();
}

static void
error()
{
       (void)fprintf(stderr, "makekey: %s\n", strerror(errno));
       exit(1);
}