usr/src/lib/libadm/common/ckkeywd.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, by Sun Microsystems, Inc.
  28  * All rights reserved.
  29  */
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.1 */
  32 /*LINTLIBRARY*/
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <limits.h>
  37 #include <sys/types.h>
  38 #include "libadm.h"
  39
  40 static int
  41 match(char *strval, char *set[])
  42 {
  43         char *found;
  44         int i, len;
  45
  46         len = (int)strlen(strval);
  47
  48         found = NULL;
  49         for (i = 0; set[i]; i++) {
  50                 if (strncmp(set[i], strval, len) == 0) {
  51                         if (found)
  52                                 return (-1); /* not unique */
  53                         found = set[i];
  54                 }
  55         }
  56
  57         if (found) {
  58                 (void) strcpy(strval, found);
  59                 return (0);
  60         }
  61         return (1);
  62 }
  63
  64 int
  65 ckkeywd(char *strval, char *keyword[], char *defstr, char *error, char *help,
  66         char *prompt)
  67 {
  68         int valid, i, n;
  69         char input[MAX_INPUT];
  70         char defmesg[512];
  71         char *ept;
  72
  73         (void) sprintf(defmesg, "Please enter one of the following keywords: ");
  74         ept = defmesg + strlen(defmesg);
  75         for (i = 0; keyword[i]; ) {
  76                 if (i)
  77                         (void) strcat(ept, ", ");
  78                 (void) strcat(ept, keyword[i++]);
  79         }
  80         (void) strcat(ept, ckquit ? ", q." : ".");
  81
  82         if (!prompt)
  83                 prompt = "Enter appropriate value";
  84
  85 start:
  86         putprmpt(stderr, prompt, keyword, defstr);
  87         if (getinput(input))
  88                 return (1);
  89
  90         n = (int)strlen(input);
  91         if (n == 0) {
  92                 if (defstr) {
  93                         (void) strcpy(strval, defstr);
  94                         return (0);
  95                 }
  96                 puterror(stderr, defmesg, error);
  97                 goto start;
  98         }
  99         if (strcmp(input, "?") == 0) {
 100                 puthelp(stderr, defmesg, help);
 101                 goto start;
 102         }
 103         if (ckquit && (strcmp(input, "q") == 0)) {
 104                 (void) strcpy(strval, input);
 105                 return (3);
 106         }
 107
 108         valid = 1;
 109         if (keyword)
 110                 valid = !match(input, keyword);
 111
 112         if (!valid) {
 113                 puterror(stderr, defmesg, error);
 114                 goto start;
 115         }
 116         (void) strcpy(strval, input);
 117         return (0);
 118 }