xref: /titanic_50/usr/src/cmd/mail/parse.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI" 	/* SVr4.0 2.1	*/
27 #include "mail.h"
28 /*
29 	Parse the command line.
30 	Return index of first non-option field (i.e. user)
31 */
32 parse(argc, argv)
33 int	argc;
34 char	**argv;
35 {
36 	register int	 	c;
37 	register char		*tmailsurr;
38 	static char		pn[] = "parse";
39 
40 	/*
41 		"mail +" means to print in reverse order and is
42 		equivalent to "mail -r"
43 	*/
44 	if ((argc > 1) && (argv[1][0] == '+')) {
45 		if (ismail) {
46 			argv[1] = "-r";
47 		} else {
48 			goerr++;
49 		}
50 	}
51 
52 	while ((c = getopt(argc, argv, "m:f:x:shrpPqeEdtT:w")) != EOF) {
53 		switch(c) {
54 		/*
55 			Set debugging level...
56 		*/
57 		case 'x':
58 			debug = atoi(optarg);
59 			orig_dbglvl = debug;
60 			if (debug < 0) {
61 				/* Keep trace file even if successful */
62 				keepdbgfile = -1;
63 				debug = -debug;
64 			}
65 			break;
66 
67 		/*
68 			for backwards compatability with mailx...
69 		*/
70 		case 's':
71 			/* ignore this option */
72 			break;
73                 /*
74 		 * Deliver directly to a mailbox. Do Not go to sendmail
75 		 */
76 		case 'd':
77 			deliverflag = TRUE;
78 			break;
79 
80 		/*
81 			do not print mail
82  		*/
83 		case 'e':
84 			if (ismail) {
85 				flge = 1;
86 			} else {
87 				goerr++;
88 			}
89 			optcnt++;
90 			break;
91 		/*
92 			do not print mail
93  		*/
94 		case 'E':
95 			if (ismail) {
96 				flgE = 1;
97 			} else {
98 				goerr++;
99 			}
100 			optcnt++;
101 			break;
102 		/*
103 		 *	use alternate file as mailfile, when reading mail
104 		 *      use this from user when sending mail.
105 		 */
106 		case 'f':
107 			flgf = 1;
108 			fromflag = TRUE;
109 			mailfile = optarg;
110 			strncpy(from_user, optarg, sizeof (from_user));
111 			from_user[sizeof (from_user) - 1] = '\0';
112 			optcnt++;
113 			break;
114 
115 		/*
116 			Print headers first
117 		*/
118 		case 'h':
119 			if (ismail) {
120 				flgh = 1;
121 			} else {
122 				goerr++;
123 			}
124 			optcnt++;
125 			break;
126 
127 		/*
128 			print without prompting
129 		*/
130 		case 'p':
131 			if (ismail) {
132 				flgp++;
133 			} else {
134 				goerr++;
135 			}
136 			optcnt++;
137 			break;
138 
139 		/*
140 			override selective display default setting
141 			when reading mail...
142 		*/
143 		case 'P':
144 			if (ismail) {
145 				flgP++;
146 			}
147 			optcnt++;
148 			break;
149 
150 		/*
151 			terminate on deletes
152 		*/
153 		case 'q':
154 			if (ismail) {
155 				delflg = 0;
156 			} else {
157 				goerr++;
158 			}
159 			optcnt++;
160 			break;
161 
162 		/*
163 			print by first in, first out order
164 		*/
165 		case 'r':
166 			if (ismail) {
167 				flgr = 1;
168 			} else {
169 				goerr++;
170 			}
171 			optcnt++;
172 			break;
173 
174 		/*
175 			add To: line to letters
176 		*/
177 		case 't':
178 			flgt = 1;
179 			optcnt++;
180 			break;
181 
182 		/*
183 			don't wait on sends
184 		*/
185 		case 'w':
186 			flgw = 1;
187 			break;
188 
189 		/*
190 			set message-type:
191 		*/
192 		case 'm':
193 			msgtype = optarg;
194 			if (msgtype[0] == '\0' || msgtype[0] == '-') {
195 				goerr++;
196 			} else {
197 				flgm = 1;
198 			}
199 			break;
200 
201 		/*
202 			bad option
203 		*/
204 		case '?':
205 			goerr++;
206 			break;
207 		}
208 	}
209 
210 
211 
212 	if (argc == optind) {
213 
214 	    if (flgm) {
215 		errmsg(E_SYNTAX,
216 			"-m option used but no recipient(s) specified.");
217 		goerr++;
218 	    }
219 	    if (flgt) {
220 		errmsg(E_SYNTAX,
221 			"-t option used but no recipient(s) specified.");
222 		goerr++;
223 	    }
224 	    if (flgw) {
225 		errmsg(E_SYNTAX,
226 			"-w option used but no recipient(s) specified.");
227 		goerr++;
228 	    }
229 	    if (flgf) {
230 		    if (mailfile[0] == '-') {
231 			    errmsg(E_SYNTAX,
232 				   "Files names must not begin with '-'");
233 			    done(0);
234 		    }
235 		    if (!ismail)
236 			    goerr++;
237 	    }
238 	}
239 
240 	if (ismail && (goerr > 0)) {
241 		errmsg(E_SYNTAX,"Usage: [-ehpPqr] [-f file] [-x debuglevel]");
242 		(void) fprintf (stderr, "or\t[-tw] [-m message_type] [-T file] [-x debuglevel] persons\n");
243 		(void) fprintf (stderr, "or\t[-x debuglevel]\n");
244 		done(0);
245 	}
246 
247 	return (optind);
248 }
249