2 * Copyright (c) 1980, 1993
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33 * @(#)edit.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/mail/edit.c,v 1.2.6.4 2003/01/06 05:46:03 mikeh Exp $
35 * $DragonFly: src/usr.bin/mail/edit.c,v 1.2 2003/06/17 04:29:28 dillon Exp $
43 * Mail -- a mail program
45 * Perform message editing functions.
49 * Edit a message list.
56 return (edit1(msgvec, 'e'));
60 * Invoke the visual editor on a message list.
67 return (edit1(msgvec, 'v'));
71 * Edit a message by writing the message into a funnily-named file
72 * (which should not exist) and forking an editor on it.
73 * We get the editor from the stuff above.
86 * Deal with each message to be edited . . .
88 for (i = 0; msgvec[i] && i < msgCount; i++) {
95 printf("Edit message %d [ynq]? ", msgvec[i]);
96 if (fgets(buf, sizeof(buf), stdin) == 0)
98 for (p = buf; *p == ' ' || *p == '\t'; p++)
105 dot = mp = &message[msgvec[i] - 1];
107 sigint = signal(SIGINT, SIG_IGN);
108 fp = run_editor(setinput(mp), mp->m_size, type, readonly);
110 (void)fseeko(otf, (off_t)0, SEEK_END);
112 mp->m_block = blockof(size);
113 mp->m_offset = boffsetof(size);
114 mp->m_size = (long)fsize(fp);
116 mp->m_flag |= MODIFY;
118 while ((c = getc(fp)) != EOF) {
121 if (putc(c, otf) == EOF)
128 (void)signal(SIGINT, sigint);
134 * Run an editor on the file at "fpp" of "size" bytes,
135 * and return a new file pointer.
136 * Signals must be handled by the caller.
137 * "Type" is 'e' for _PATH_EX, 'v' for _PATH_VI.
140 run_editor(fp, size, type, readonly)
148 char *edit, tempname[PATHSIZE];
151 (void)snprintf(tempname, sizeof(tempname),
152 "%s/mail.ReXXXXXXXXXX", tmpdir);
153 if ((t = mkstemp(tempname)) == -1 ||
154 (nf = Fdopen(t, "w")) == NULL) {
155 warn("%s", tempname);
158 if (readonly && fchmod(t, 0400) == -1) {
159 warn("%s", tempname);
164 while (--size >= 0 && (t = getc(fp)) != EOF)
167 while ((t = getc(fp)) != EOF)
170 if (fstat(fileno(nf), &statb) < 0)
173 modtime = statb.st_mtime;
176 warnx("%s", tempname);
181 if (Fclose(nf) < 0) {
182 warn("%s", tempname);
188 if ((edit = value(type == 'e' ? "EDITOR" : "VISUAL")) == NULL)
189 edit = type == 'e' ? _PATH_EX : _PATH_VI;
190 if (run_command(edit, 0, -1, -1, tempname, NULL, NULL) < 0) {
195 * If in read only mode or file unchanged, just remove the editor
196 * temporary and return.
202 if (stat(tempname, &statb) < 0) {
203 warn("%s", tempname);
206 if (modtime == statb.st_mtime) {
211 * Now switch to new file.
213 if ((nf = Fopen(tempname, "a+")) == NULL) {
214 warn("%s", tempname);