nano-12/src/files.c

35 /* Add an entry to the openfile openfilestruct.  This should only be
39     /* If there are no entries in openfile, make the first one and
41     if (openfile == NULL) {
42 	openfile = make_new_opennode();
43 	splice_opennode(openfile, openfile, openfile);
44     /* Otherwise, make a new entry for openfile, splice it in after
47 	splice_opennode(openfile, make_new_opennode(), openfile->next);
48 	openfile = openfile->next;
55 /* Initialize the current entry of the openfile openfilestruct. */
58     assert(openfile != NULL);
60     openfile->filename = mallocstrcpy(NULL, "");
64     openfile->current_x = 0;
65     openfile->placewewant = 0;
66     openfile->current_y = 0;
68     openfile->modified = FALSE;
70     openfile->mark_set = FALSE;
72     openfile->mark_begin = NULL;
73     openfile->mark_begin_x = 0;
75     openfile->fmt = NIX_FILE;
77     openfile->current_stat = NULL;
80     openfile->colorstrings = NULL;
84 /* Initialize the text of the current entry of the openfile
88     assert(openfile != NULL);
90     openfile->fileage = make_new_node(NULL);
91     openfile->fileage->data = mallocstrcpy(NULL, "");
93     openfile->filebot = openfile->fileage;
94     openfile->edittop = openfile->fileage;
95     openfile->current = openfile->fileage;
97     openfile->totsize = 0;
104     bool new_buffer = (openfile == NULL
131      * openfile. */
138 	openfile->filename = mallocstrcpy(openfile->filename, filename);
145 	if (openfile->current_stat == NULL) {
146 	    openfile->current_stat =
148 	    stat(filename, openfile->current_stat);
156 	openfile->current = openfile->fileage;
157 	openfile->current_x = 0;
158 	openfile->placewewant = 0;
188     free_filestruct(openfile->fileage);
196     openfile->current = openfile->fileage;
197     openfile->current_x = 0;
198     openfile->placewewant = 0;
223     assert(openfile != NULL);
227     if (openfile == openfile->next) {
234     openfile = next_buf ? openfile->next : openfile->prev;
237     fprintf(stderr, "filename is %s\n", openfile->filename);
245 	((openfile->filename[0] == '\0') ? _("New Buffer") :
246 	openfile->filename));
249     dump_filestruct(openfile->current);
253 /* Switch to the previous entry in the openfile filebuffer. */
259 /* Switch to the next entry in the openfile filebuffer. */
265 /* Delete an entry from the openfile filebuffer, and switch to the one
270     assert(openfile != NULL);
273     if (openfile == openfile->next)
280     unlink_opennode(openfile->prev);
301     assert(openfile->fileage != NULL && strlen(buf) == buf_len);
316 	fileptr->next = openfile->fileage;
323 	    openfile->edittop = fileptr;
325 	    openfile->filebot = fileptr;
326 	openfile->fileage = fileptr;
355     filestruct *fileptr = openfile->current;
367     assert(openfile->fileage != NULL && openfile->current != NULL);
372     if (openfile->current == openfile->fileage)
375 	fileptr = openfile->current->prev;
493 	    size_t current_len = strlen(openfile->current->data);
498 		openfile->current_x += len;
500 		openfile->current_x = len;
504 	    openfile->current->data =
505 		charealloc(openfile->current->data, len +
507 	    charmove(openfile->current->data + len,
508 		openfile->current->data, current_len + 1);
509 	    strncpy(openfile->current->data, fileptr->data, len);
512 	    if (fileptr == openfile->fileage)
513 		openfile->fileage = openfile->current;
514 	    if (fileptr == openfile->edittop)
515 		openfile->edittop = openfile->current;
516 	    if (fileptr == openfile->filebot)
517 		openfile->filebot = openfile->current;
530 	    fileptr->next = openfile->current;
531 	    openfile->current->prev = fileptr;
536 	renumber(openfile->current);
539     openfile->totsize += get_totsize(openfile->fileage,
540 	openfile->filebot);
546     if (!ISSET(NO_NEWLINES) && openfile->filebot->data[0] != '\0') {
548 	openfile->current = openfile->filebot;
549 	openfile->current_x = 0;
554     openfile->placewewant = xplustabs();
563 	openfile->fmt = MAC_FILE;
568 	openfile->fmt = DOS_FILE;
695     filestruct *edittop_save = openfile->edittop;
696     size_t current_x_save = openfile->current_x;
697     ssize_t current_y_save = openfile->current_y;
752 	    size_t pww_save = openfile->placewewant;
806 		filepart = partition_filestruct(openfile->current,
807 			openfile->current_x, openfile->current,
808 			openfile->current_x);
810 			(openfile->fileage == openfile->edittop);
835 		    openfile->current = openfile->fileage;
836 		    openfile->current_x = 0;
837 		    openfile->placewewant = 0;
862 		filestruct *top_save = openfile->fileage;
868 		    edittop_save = openfile->fileage;
872 		openfile->current_x = strlen(openfile->filebot->data);
873 		if (openfile->fileage == openfile->filebot)
874 		    openfile->current_x += current_x_save;
878 		openfile->current_y += current_y_save;
891 		openfile->edittop = edittop_save;
894 		openfile->placewewant = pww_save;
1285     const filestruct *fileptr = openfile->fileage;
1355 	OVERWRITE || openfile->mark_set) ||
1356 	openfile->current_stat->st_mtime == st.st_mtime)) {
1363 	filetime.actime = openfile->current_stat->st_atime;
1364 	filetime.modtime = openfile->current_stat->st_mtime;
1435 		openfile->current_stat->st_mode) == -1) {
1455 		openfile->current_stat->st_uid,
1456 		openfile->current_stat->st_gid) == -1 ||
1578     assert(openfile->fileage != NULL && openfile->filebot != NULL);
1603 	if (fileptr == openfile->filebot) {
1608 	    if (openfile->fmt == DOS_FILE || openfile->fmt ==
1618 	    if (openfile->fmt != MAC_FILE) {
1666 	    openfile->filename = mallocstrcpy(openfile->filename,
1677 	    if (openfile->colorstrings != NULL &&
1685 	if (openfile->current_stat == NULL)
1686 	    openfile->current_stat =
1688 	stat(realname, openfile->current_stat);
1694 	openfile->modified = FALSE;
1715     bool old_modified = openfile->modified;
1722     assert(openfile->mark_set);
1735 	(added_magicline = (openfile->filebot->data[0] != '\0')))
1773     if (exiting && openfile->filename[0] != '\0' && ISSET(TEMP_FILE)) {
1774 	retval = write_file(openfile->filename, NULL, FALSE, OVERWRITE,
1784 	(!exiting && openfile->mark_set) ? "" :
1786 	openfile->filename);
1793 	formatstr = (openfile->fmt == DOS_FILE) ?
1794 		_(" [DOS Format]") : (openfile->fmt == MAC_FILE) ?
1803 	if (!ISSET(RESTRICTED) && !exiting && openfile->mark_set)
1818 		openfile->filename[0] == '\0',
1857 		openfile->fmt = (openfile->fmt == DOS_FILE) ? NIX_FILE :
1861 		openfile->fmt = (openfile->fmt == MAC_FILE) ? NIX_FILE :
1908 		full_filename = get_full_path(openfile->filename);
1911 		if (openfile->filename[0] == '\0')
1916 			openfile->filename : full_filename) != 0);
1944 		    if (exiting || !openfile->mark_set)
1966 		(!ISSET(RESTRICTED) && !exiting && openfile->mark_set) ?