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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include "libadm.h"
/*
* This file is the only one anywhere to need these functions,
* so we declare them here, not in libadm.h
*/
extern char *__compile(char *, char *, const char *, int);
extern int __step(const char *, const char *);
#define ESIZE 1024
#define ERRMSG0 "Input is required."
#define ERRMSG1 "Please enter a string containing no more than %d characters."
#define ERRMSG2 \
"Pattern matching has failed."
#define ERRMSG3 \
"Please enter a string which contains no embedded, \
leading or trailing spaces or tabs."
#define HLPMSG0 "Please enter a string"
#define HLPMSG1 "Please enter a string containing no more than %d characters"
#define HLPMSG2 "matches one of the following patterns:"
#define HLPMSG3 "matches the following pattern:"
#define HLPMSG4 "contains no embedded, leading or trailing spaces or tabs."
static char *errstr;
static char *
sethlp(char *msg, char *regexp[], int length)
{
int i;
if (length)
(void) sprintf(msg, HLPMSG1, length);
else
(void) strcpy(msg, HLPMSG0);
(void) strcat(msg, length ? " and " : " which ");
if (regexp && regexp[0]) {
(void) strcat(msg, regexp[1] ? HLPMSG2 : HLPMSG3);
for (i = 0; regexp[i]; i++) {
(void) strcat(msg, "\\n\\t");
(void) strcat(msg, regexp[i]);
}
} else
(void) strcat(msg, HLPMSG4);
return (msg);
}
int
ckstr_val(char *regexp[], int length, char *input)
{
char expbuf[ESIZE];
int i, valid;
valid = 1;
if (length && (strlen(input) > (size_t)length)) {
errstr = ERRMSG1;
return (1);
}
if (regexp && regexp[0]) {
valid = 0;
for (i = 0; !valid && regexp[i]; ++i) {
if (!__compile(regexp[i], expbuf, &expbuf[ESIZE], '\0'))
return (2);
valid = __step(input, expbuf);
}
if (!valid)
errstr = ERRMSG2;
} else if (strpbrk(input, " \t")) {
errstr = ERRMSG3;
valid = 0;
}
return (valid == 0);
}
void
ckstr_err(char *regexp[], int length, char *error, char *input)
{
char *defhlp;
char temp[1024];
if (input) {
if (ckstr_val(regexp, length, input)) {
/* LINTED E_SEC_PRINTF_VAR_FMT */
(void) snprintf(temp, sizeof (temp), errstr, length);
puterror(stdout, temp, error);
return;
}
}
defhlp = sethlp(temp, regexp, length);
puterror(stdout, defhlp, error);
}
void
ckstr_hlp(char *regexp[], int length, char *help)
{
char *defhlp;
char hlpbuf[1024];
defhlp = sethlp(hlpbuf, regexp, length);
puthelp(stdout, defhlp, help);
}
int
ckstr(char *strval, char *regexp[], int length, char *defstr, char *error,
char *help, char *prompt)
{
int n;
char *defhlp;
char input[MAX_INPUT],
hlpbuf[1024],
errbuf[1024];
defhlp = NULL;
if (!prompt)
prompt = "Enter an appropriate value";
start:
putprmpt(stderr, prompt, NULL, defstr);
if (getinput(input))
return (1);
n = (int)strlen(input);
if (n == 0) {
if (defstr) {
(void) strcpy(strval, defstr);
return (0);
}
puterror(stderr, ERRMSG0, error);
goto start;
}
if (strcmp(input, "?") == 0) {
if (defhlp == NULL)
defhlp = sethlp(hlpbuf, regexp, length);
puthelp(stderr, defhlp, help);
goto start;
}
if (ckquit && (strcmp(input, "q") == 0)) {
(void) strcpy(strval, input);
return (3);
}
if (ckstr_val(regexp, length, input)) {
/* LINTED E_SEC_PRINTF_VAR_FMT */
(void) snprintf(errbuf, sizeof (errbuf), errstr, length);
puterror(stderr, errbuf, error);
goto start;
}
(void) strcpy(strval, input);
return (0);
}
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