xref: /illumos-gate/usr/src/cmd/valtools/ckdate.c (revision 2a8bcb4e)
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 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 #include <stdio.h>
31 #include <string.h>
32 #include <signal.h>
33 #include <stdlib.h>
34 #include <locale.h>
35 #include <libintl.h>
36 #include <limits.h>
37 #include "usage.h"
38 #include "libadm.h"
39 
40 #define	BADPID	(-2)
41 
42 static char	*prog;
43 static char	*deflt = NULL, *prompt = NULL, *error = NULL, *help = NULL;
44 static int	signo = 0;
45 static int	kpid = BADPID;
46 static char	*fmt = NULL;
47 
48 static const char	vusage[] = "f";
49 static const char	husage[] = "fWh";
50 static const char	eusage[] = "fWe";
51 
52 #define	MYFMT "%s:ERROR:invalid format\n" \
53 	"valid format descriptors are:\n" \
54 	"\t%%b  #abbreviated month name\n" \
55 	"\t%%B  #full month name\n" \
56 	"\t%%d  #day of month (01-31)\n" \
57 	"\t%%D  #date as %%m/%%d/%%y or %%m-%%d-%%y (default)\n" \
58 	"\t%%e  #day of month (1-31)\n" \
59 	"\t%%m  #month of year (01-12)\n" \
60 	"\t%%y  #year within century (YY)\n" \
61 	"\t%%Y  #year as CCYY\n"
62 
63 static void
usage(void)64 usage(void)
65 {
66 	switch (*prog) {
67 	default:
68 		(void) fprintf(stderr,
69 			gettext("usage: %s [options] [-f format]\n"), prog);
70 		(void) fprintf(stderr, gettext(OPTMESG));
71 		(void) fprintf(stderr, gettext(STDOPTS));
72 		break;
73 
74 	case 'v':
75 		(void) fprintf(stderr,
76 			gettext("usage: %s [-f format] input\n"), prog);
77 		break;
78 
79 	case 'h':
80 		(void) fprintf(stderr,
81 			gettext("usage: %s [options] [-f format]\n"), prog);
82 		(void) fprintf(stderr, gettext(OPTMESG));
83 		(void) fprintf(stderr,
84 			gettext("\t-W width\n\t-h help\n"));
85 		break;
86 
87 	case 'e':
88 		(void) fprintf(stderr,
89 			gettext("usage: %s [options] [-f format]\n"), prog);
90 		(void) fprintf(stderr, gettext(OPTMESG));
91 		(void) fprintf(stderr,
92 			gettext("\t-W width\n\t-h error\n"));
93 		break;
94 	}
95 	exit(1);
96 }
97 
98 /*
99  * Given argv[0], return a pointer to the basename of the program.
100  */
101 static char *
prog_name(char * arg0)102 prog_name(char *arg0)
103 {
104 	char *str;
105 
106 	/* first strip trailing '/' characters (exec() allows these!) */
107 	str = arg0 + strlen(arg0);
108 	while (str > arg0 && *--str == '/')
109 		*str = '\0';
110 	if ((str = strrchr(arg0, '/')) != NULL)
111 		return (str + 1);
112 	return (arg0);
113 }
114 
115 int
main(int argc,char ** argv)116 main(int argc, char **argv)
117 {
118 	int	c, n;
119 	char	*date;
120 	size_t	len;
121 
122 	(void) setlocale(LC_ALL, "");
123 
124 #if	!defined(TEXT_DOMAIN)
125 #define	TEXT_DOMAIN	"SYS_TEST"
126 #endif
127 	(void) textdomain(TEXT_DOMAIN);
128 
129 	prog = prog_name(argv[0]);
130 
131 	while ((c = getopt(argc, argv, "f:d:p:e:h:k:s:QW:?")) != EOF) {
132 		/* check for invalid option */
133 		if ((*prog == 'v') && !strchr(vusage, c))
134 			usage();
135 		if ((*prog == 'e') && !strchr(eusage, c))
136 			usage();
137 		if ((*prog == 'h') && !strchr(husage, c))
138 			usage();
139 
140 		switch (c) {
141 		case 'Q':
142 			ckquit = 0;
143 			break;
144 
145 		case 'W':
146 			ckwidth = atoi(optarg);
147 			if (ckwidth < 0) {
148 				(void) fprintf(stderr,
149 		gettext("%s: ERROR: negative display width specified\n"),
150 					prog);
151 				exit(1);
152 			}
153 			break;
154 
155 		case 'f':
156 			fmt = optarg;
157 			break;
158 
159 		case 'd':
160 			deflt = optarg;
161 			break;
162 
163 		case 'p':
164 			prompt = optarg;
165 			break;
166 
167 		case 'e':
168 			error = optarg;
169 			break;
170 
171 		case 'h':
172 			help = optarg;
173 			break;
174 
175 		case 'k':
176 			kpid = atoi(optarg);
177 			break;
178 
179 		case 's':
180 			signo = atoi(optarg);
181 			break;
182 
183 		default:
184 			usage();
185 		}
186 	}
187 
188 	if (signo) {
189 		if (kpid == BADPID)
190 			usage();
191 	} else
192 		signo = SIGTERM;
193 
194 	if (*prog == 'v') {
195 		if (argc != (optind + 1))
196 			usage();
197 		n = (ckdate_val(fmt, argv[optind]));
198 		if (n == 4)
199 			(void) fprintf(stderr, gettext(MYFMT), prog);
200 		exit(n);
201 	}
202 
203 	if (optind != argc)
204 		usage();
205 
206 	if (*prog == 'e') {
207 		ckindent = 0;
208 		if (ckdate_err(fmt, error)) {
209 			(void) fprintf(stderr, gettext(MYFMT), prog);
210 			exit(4);
211 		} else
212 			exit(0);
213 
214 	} else if (*prog == 'h') {
215 		ckindent = 0;
216 		if (ckdate_hlp(fmt, help)) {
217 			(void) fprintf(stderr, gettext(MYFMT), prog);
218 			exit(4);
219 		} else
220 			exit(0);
221 
222 	}
223 
224 	if (deflt) {
225 		len = strlen(deflt) + 1;
226 		if (len < MAX_INPUT)
227 			len = MAX_INPUT;
228 	} else {
229 		len = MAX_INPUT;
230 	}
231 	date = (char *)malloc(len);
232 	if (!date) {
233 		(void) fprintf(stderr,
234 			gettext("Not enough memory\n"));
235 		exit(1);
236 	}
237 	n = ckdate(date, fmt, deflt, error, help, prompt);
238 	if (n == 3) {
239 		if (kpid > -2)
240 			(void) kill(kpid, signo);
241 		(void) puts("q");
242 	} else if (n == 0)
243 		(void) printf("%s", date);
244 	if (n == 4)
245 		(void) fprintf(stderr, gettext(MYFMT), prog);
246 	return (n);
247 }
248