3 * Prepare an email to be edited
6 * Copyright (C) 1999-2002 Thomas Roessler <roessler@does-not-exist.org>
9 * This program is free software: you can redistribute it and/or modify it under
10 * the terms of the GNU General Public License as published by the Free Software
11 * Foundation, either version 2 of the License, or (at your option) any later
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
19 * You should have received a copy of the GNU General Public License along with
20 * this program. If not, see <http://www.gnu.org/licenses/>.
24 * @page editmsg Prepare an email to be edited
26 * Prepare an email to be edited
38 #include "mutt/mutt.h"
39 #include "config/lib.h"
40 #include "email/lib.h"
52 * edit_or_view_one_message - Edit an email or view it in an external editor
53 * @param edit true if the message should be editable. If false, changes
54 * to the message (in the editor) will be ignored.
57 * @retval 1 Message not modified
58 * @retval 0 Message edited successfully
61 static int edit_or_view_one_message(bool edit, struct Mailbox *m, struct Email *cur)
65 enum MailboxType omagic;
74 struct Message *msg = NULL;
81 mutt_mktemp(tmp, sizeof(tmp));
86 struct Context *tmpctx = mx_mbox_open(NULL, tmp, MUTT_NEWFOLDER);
92 mutt_error(_("could not create temporary folder: %s"), strerror(errno));
97 CH_NOLEN | ((m->magic == MUTT_MBOX || m->magic == MUTT_MMDF) ? 0 : CH_NOSTATUS);
98 rc = mutt_append_message(tmpctx->mailbox, m, cur, 0, chflags);
101 mx_mbox_close(&tmpctx);
105 mutt_error(_("could not write temporary mail folder: %s"), strerror(oerrno));
112 mutt_error(_("Can't stat %s: %s"), tmp, strerror(errno));
116 /* The file the user is going to edit is not a real mbox, so we need to
117 * truncate the last newline in the temp file, which is logically part of
118 * the message separator, and not the body of the message. If we fail to
119 * remove it, the message will grow by one line each time the user edits
122 if (sb.st_size != 0 && truncate(tmp, sb.st_size - 1) == -1)
124 mutt_error(_("could not truncate temporary mail folder: %s"), strerror(errno));
130 /* remove write permissions */
131 rc = mutt_file_chmod_rm_stat(tmp, S_IWUSR | S_IWGRP | S_IWOTH, &sb);
134 mutt_debug(1, "Could not remove write permissions of %s: %s", tmp, strerror(errno));
135 /* Do not bail out here as we are checking afterwards if we should adopt
136 * changes of the temporary file. */
140 /* Do not reuse the stat sb here as it is outdated. */
141 mtime = mutt_file_decrease_mtime(tmp, NULL);
143 mutt_edit_file(NONULL(Editor), tmp);
148 mutt_error(_("Can't stat %s: %s"), tmp, strerror(errno));
154 mutt_message(_("Message file is empty"));
159 if (edit && sb.st_mtime == mtime)
161 mutt_message(_("Message not modified"));
166 if (!edit && sb.st_mtime != mtime)
168 mutt_message(_("Message of read-only mailbox modified! Ignoring changes."));
175 /* stop processing here and skip right to the end */
180 fp = fopen(tmp, "r");
184 mutt_error(_("Can't open message file: %s"), strerror(errno));
188 tmpctx = mx_mbox_open(m, NULL, MUTT_APPEND);
192 /* L10N: %s is from strerror(errno) */
193 mutt_error(_("Can't append to folder: %s"), strerror(errno));
198 cf = (((tmpctx->mailbox->magic == MUTT_MBOX) || (tmpctx->mailbox->magic == MUTT_MMDF)) ?
202 if (fgets(buf, sizeof(buf), fp) && is_from(buf, NULL, 0, NULL))
204 if ((tmpctx->mailbox->magic == MUTT_MBOX) || (tmpctx->mailbox->magic == MUTT_MMDF))
205 cf = CH_FROM | CH_FORCE_FROM;
210 /* XXX - we have to play games with the message flags to avoid
211 * problematic behavior with maildir folders. */
217 msg = mx_msg_open_new(tmpctx->mailbox, cur, of);
223 mutt_error(_("Can't append to folder: %s"), strerror(errno));
224 mx_mbox_close(&tmpctx);
228 rc = mutt_copy_hdr(fp, msg->fp, 0, sb.st_size, CH_NOLEN | cf, NULL);
231 fputc('\n', msg->fp);
232 mutt_file_copy_stream(fp, msg->fp);
235 rc = mx_msg_commit(tmpctx->mailbox, msg);
236 mx_msg_close(tmpctx->mailbox, &msg);
238 mx_mbox_close(&tmpctx);
241 mutt_file_fclose(&fp);
248 mutt_set_flag(Context->mailbox, cur, MUTT_DELETE, 1);
249 mutt_set_flag(Context->mailbox, cur, MUTT_PURGE, 1);
250 mutt_set_flag(Context->mailbox, cur, MUTT_READ, 1);
253 mutt_set_flag(Context->mailbox, cur, MUTT_TAG, 0);
256 mutt_message(_("Error. Preserving temporary file: %s"), tmp);
262 * edit_or_view_message - Edit an email or view it in an external editor
263 * @param edit true: Edit the email; false: view the email
264 * @param ctx Mailbox Context
266 * @retval 1 Message not modified
267 * @retval 0 Message edited successfully
270 int edit_or_view_message(bool edit, struct Context *ctx, struct Email *e)
273 return edit_or_view_one_message(edit, ctx->mailbox, e);
275 for (int i = 0; i < ctx->mailbox->msg_count; i++)
277 if (!message_is_tagged(ctx, i))
280 if (edit_or_view_one_message(edit, ctx->mailbox, ctx->mailbox->emails[i]) == -1)
288 * mutt_edit_message - Edit a message
289 * @param ctx Mailbox Context
291 * @retval 1 Message not modified
292 * @retval 0 Message edited successfully
295 int mutt_edit_message(struct Context *ctx, struct Email *e)
297 return edit_or_view_message(true, ctx, e); /* true means edit */
301 * mutt_view_message - Edit a message
302 * @param ctx Mailbox Context
304 * @retval 1 Message not modified
305 * @retval 0 Message edited successfully
308 int mutt_view_message(struct Context *ctx, struct Email *e)
310 return edit_or_view_message(false, ctx, e); /* false means only view */