diff options
Diffstat (limited to 'usr/src/lib/libadm/common/ckstr.c')
| -rw-r--r-- | usr/src/lib/libadm/common/ckstr.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/usr/src/lib/libadm/common/ckstr.c b/usr/src/lib/libadm/common/ckstr.c new file mode 100644 index 0000000000..e01717f233 --- /dev/null +++ b/usr/src/lib/libadm/common/ckstr.c @@ -0,0 +1,187 @@ +/* + * 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. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#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 imbedded, \ + 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 imbedded, 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)) { + (void) sprintf(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)) { + (void) sprintf(errbuf, errstr, length); + puterror(stderr, errbuf, error); + goto start; + } + (void) strcpy(strval, input); + return (0); +} |