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29 * @(#)edit.c 8.1 (Berkeley) 6/6/93
30 * $FreeBSD: src/usr.bin/mail/edit.c,v 1.2.6.4 2003/01/06 05:46:03 mikeh Exp $
31 * $DragonFly: src/usr.bin/mail/edit.c,v 1.4 2004/09/08 03:01:11 joerg Exp $
39 * Mail -- a mail program
41 * Perform message editing functions.
45 * Edit a message list.
50 return (edit1(msgvec, 'e'));
54 * Invoke the visual editor on a message list.
59 return (edit1(msgvec, 'v'));
63 * Edit a message by writing the message into a funnily-named file
64 * (which should not exist) and forking an editor on it.
65 * We get the editor from the stuff above.
68 edit1(int *msgvec, int type)
76 * Deal with each message to be edited . . .
78 for (i = 0; msgvec[i] && i < msgCount; i++) {
85 printf("Edit message %d [ynq]? ", msgvec[i]);
86 if (fgets(buf, sizeof(buf), stdin) == 0)
88 for (p = buf; *p == ' ' || *p == '\t'; p++)
95 dot = mp = &message[msgvec[i] - 1];
97 sigint = signal(SIGINT, SIG_IGN);
98 fp = run_editor(setinput(mp), mp->m_size, type, readonly);
100 fseeko(otf, (off_t)0, SEEK_END);
102 mp->m_block = blockof(size);
103 mp->m_offset = boffsetof(size);
104 mp->m_size = (long)fsize(fp);
106 mp->m_flag |= MODIFY;
108 while ((c = getc(fp)) != EOF) {
111 if (putc(c, otf) == EOF)
118 signal(SIGINT, sigint);
124 * Run an editor on the file at "fpp" of "size" bytes,
125 * and return a new file pointer.
126 * Signals must be handled by the caller.
127 * "Type" is 'e' for _PATH_EX, 'v' for _PATH_VI.
130 run_editor(FILE *fp, off_t size, int type, int readonly)
135 char *edit, tempname[PATHSIZE];
138 snprintf(tempname, sizeof(tempname), "%s/mail.ReXXXXXXXXXX", tmpdir);
139 if ((t = mkstemp(tempname)) == -1 ||
140 (nf = Fdopen(t, "w")) == NULL) {
141 warn("%s", tempname);
144 if (readonly && fchmod(t, 0400) == -1) {
145 warn("%s", tempname);
150 while (--size >= 0 && (t = getc(fp)) != EOF)
153 while ((t = getc(fp)) != EOF)
156 if (fstat(fileno(nf), &statb) < 0)
159 modtime = statb.st_mtime;
162 warnx("%s", tempname);
167 if (Fclose(nf) < 0) {
168 warn("%s", tempname);
174 if ((edit = value(type == 'e' ? "EDITOR" : "VISUAL")) == NULL)
175 edit = type == 'e' ? _PATH_EX : _PATH_VI;
176 if (run_command(edit, 0, -1, -1, tempname, NULL, NULL) < 0) {
181 * If in read only mode or file unchanged, just remove the editor
182 * temporary and return.
188 if (stat(tempname, &statb) < 0) {
189 warn("%s", tempname);
192 if (modtime == statb.st_mtime) {
197 * Now switch to new file.
199 if ((nf = Fopen(tempname, "a+")) == NULL) {
200 warn("%s", tempname);