usr/src/lib/libadm/common/putprmpt.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 /*
  27  * Copyright (c) 1997-2001 by Sun Microsystems, Inc.
  28  * All rights reserved.
  29  */
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"
  32 /*LINTLIBRARY*/
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <sys/types.h>
  37 #include "libadm.h"
  38
  39 void
  40 putprmpt(FILE *fp, char *prompt, char *choices[], char *defstr)
  41 {
  42         char buffer[1024] = ""; /* NB: code should prevent overflow... */
  43         int i, n;
  44
  45         (void) fputc('\n', fp);
  46         if (prompt == NULL) {
  47                 (void) strlcpy(buffer, defstr ? defstr : "No default prompt.",
  48                                 sizeof (buffer));
  49         } else if (n = (int)strlen(prompt)) {
  50                 if (defstr == NULL)
  51                         defstr = "";
  52                 if (prompt[0] == '~')
  53                         (void) snprintf(buffer, sizeof (buffer), "%s%s",
  54                                 defstr, prompt + 1);
  55                 else if (prompt[n-1] == '~')
  56                         (void) snprintf(buffer, sizeof (buffer), "%.*s%s",
  57                                 n - 1, prompt, defstr);
  58                 else
  59                         (void) strlcpy(buffer, prompt, sizeof (buffer));
  60         } else
  61                 (void) strlcpy(buffer, "", sizeof (buffer));
  62
  63         (void) strlcat(buffer, "\\ [", sizeof (buffer));
  64         for (i = 0; choices && choices[i]; ++i) {
  65                 (void) strlcat(buffer, choices[i], sizeof (buffer));
  66                 (void) strlcat(buffer, ",", sizeof (buffer));
  67         }
  68         (void) strlcat(buffer, ckquit ? "?,q] " : "?] ", sizeof (buffer));
  69
  70         (void) puttext(fp, buffer, 0, ckwidth);
  71 }