2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static char sccsid[] = "@(#)edit.c 8.1 (Berkeley) 6/6/93";
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
47 * Mail -- a mail program
49 * Perform message editing functions.
53 * Edit a message list.
60 return (edit1(msgvec, 'e'));
64 * Invoke the visual editor on a message list.
71 return (edit1(msgvec, 'v'));
75 * Edit a message by writing the message into a funnily-named file
76 * (which should not exist) and forking an editor on it.
77 * We get the editor from the stuff above.
90 * Deal with each message to be edited . . .
92 for (i = 0; msgvec[i] && i < msgCount; i++) {
99 printf("Edit message %d [ynq]? ", msgvec[i]);
100 if (fgets(buf, sizeof(buf), stdin) == 0)
102 for (p = buf; *p == ' ' || *p == '\t'; p++)
109 dot = mp = &message[msgvec[i] - 1];
111 sigint = signal(SIGINT, SIG_IGN);
112 fp = run_editor(setinput(mp), mp->m_size, type, readonly);
114 (void)fseeko(otf, (off_t)0, SEEK_END);
116 mp->m_block = blockof(size);
117 mp->m_offset = boffsetof(size);
118 mp->m_size = (long)fsize(fp);
120 mp->m_flag |= MODIFY;
122 while ((c = getc(fp)) != EOF) {
125 if (putc(c, otf) == EOF)
132 (void)signal(SIGINT, sigint);
138 * Run an editor on the file at "fpp" of "size" bytes,
139 * and return a new file pointer.
140 * Signals must be handled by the caller.
141 * "Type" is 'e' for _PATH_EX, 'v' for _PATH_VI.
144 run_editor(fp, size, type, readonly)
152 char *edit, tempname[PATHSIZE];
155 (void)snprintf(tempname, sizeof(tempname),
156 "%s/mail.ReXXXXXXXXXX", tmpdir);
157 if ((t = mkstemp(tempname)) == -1 ||
158 (nf = Fdopen(t, "w")) == NULL) {
159 warn("%s", tempname);
162 if (readonly && fchmod(t, 0400) == -1) {
163 warn("%s", tempname);
168 while (--size >= 0 && (t = getc(fp)) != EOF)
171 while ((t = getc(fp)) != EOF)
174 if (fstat(fileno(nf), &statb) < 0)
177 modtime = statb.st_mtime;
180 warnx("%s", tempname);
185 if (Fclose(nf) < 0) {
186 warn("%s", tempname);
192 if ((edit = value(type == 'e' ? "EDITOR" : "VISUAL")) == NULL)
193 edit = type == 'e' ? _PATH_EX : _PATH_VI;
194 if (run_command(edit, 0, -1, -1, tempname, NULL, NULL) < 0) {
199 * If in read only mode or file unchanged, just remove the editor
200 * temporary and return.
206 if (stat(tempname, &statb) < 0) {
207 warn("%s", tempname);
210 if (modtime == statb.st_mtime) {
215 * Now switch to new file.
217 if ((nf = Fopen(tempname, "a+")) == NULL) {
218 warn("%s", tempname);