1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Folder (mailbox) initialization, newmail announcement and related.
4 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
5 * Copyright (c) 2012 - 2017 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
8 * Copyright (c) 1980, 1993
9 * The Regents of the University of California. All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #ifndef HAVE_AMALGAMATION
44 /* Update mailname (if name != NULL) and displayname, return whether displayname
45 * was large enough to swallow mailname */
46 static bool_t
_update_mailname(char const *name
);
47 #ifdef HAVE_C90AMEND1 /* TODO unite __narrow_suffix() into one fun! */
48 SINLINE
size_t __narrow_suffix(char const *cp
, size_t cpl
, size_t maxl
);
52 static void a_folder_info(void);
55 _update_mailname(char const *name
) /* TODO 2MUCH work, cache, prop of Object! */
63 /* Don't realpath(3) if it's only an update request */
67 enum protocol p
= which_protocol(name
, TRU1
, TRU1
, &adjname
);
69 if(p
== PROTO_FILE
|| p
== PROTO_MAILDIR
){
71 if (realpath(name
, mailname
) == NULL
&& n_err_no
!= n_ERR_NOENT
) {
72 n_err(_("Can't canonicalize %s\n"), n_shexp_quote_cp(name
, FAL0
));
78 n_strscpy(mailname
, name
, sizeof(mailname
));
84 /* Don't display an absolute path but "+FOLDER" if under *folder* */
85 if(*(foldp
= n_folder_query()) != '\0'){
86 foldlen
= strlen(foldp
);
87 if(strncmp(foldp
, mailp
, foldlen
))
92 /* We want to see the name of the folder .. on the screen */
94 if(i
< sizeof(displayname
) - 3 -1){
98 memcpy(dispp
, mailp
, foldlen
);
102 memcpy(dispp
, mailp
, i
-= foldlen
);
105 memcpy(dispp
, mailp
, i
+1);
108 /* Avoid disrupting multibyte sequences (if possible) */
109 #ifndef HAVE_C90AMEND1
110 j
= sizeof(displayname
) / 3 - 3;
111 i
-= sizeof(displayname
) - (1/* + */ + 3) - j
;
113 j
= field_detect_clip(sizeof(displayname
) / 3, mailp
, i
);
114 i
= j
+ __narrow_suffix(mailp
+ j
, i
- j
,
115 sizeof(displayname
) - (1/* + */ + 3 + 1) - j
);
117 snprintf(dispp
, sizeof(displayname
), "%s%.*s...%s",
118 (foldlen
> 0 ? "[+]" : ""), (int)j
, mailp
, mailp
+ i
);
122 n_PS_ROOT_BLOCK((ok_vset(mailbox_resolved
, mailname
),
123 ok_vset(mailbox_display
, displayname
)));
128 #ifdef HAVE_C90AMEND1
130 __narrow_suffix(char const *cp
, size_t cpl
, size_t maxl
)
136 for (err
= ok
= i
= 0; cpl
> maxl
|| err
;) {
137 int ml
= mblen(cp
, cpl
);
138 if (ml
< 0) { /* XXX _narrow_suffix(): mblen() error; action? */
139 (void)mblen(NULL
, 0);
156 #endif /* HAVE_C90AMEND1 */
161 int u
, n
, d
, s
, hidden
, moved
;
164 if(mb
.mb_type
== MB_VOID
){
165 fprintf(n_stdout
, _("(Currently no active mailbox)"));
169 s
= d
= hidden
= moved
= 0;
170 for (mp
= message
, n
= 0, u
= 0; PTRCMP(mp
, <, message
+ msgCount
); ++mp
) {
171 if (mp
->m_flag
& MNEW
)
173 if ((mp
->m_flag
& MREAD
) == 0)
175 if ((mp
->m_flag
& (MDELETED
| MSAVED
)) == (MDELETED
| MSAVED
))
177 if ((mp
->m_flag
& (MDELETED
| MSAVED
)) == MDELETED
)
179 if ((mp
->m_flag
& (MDELETED
| MSAVED
)) == MSAVED
)
181 if (mp
->m_flag
& MHIDDEN
)
185 /* If displayname gets truncated the user effectively has no option to see
186 * the full pathname of the mailbox, so print it at least for '? fi' */
187 fprintf(n_stdout
, "%s: ", n_shexp_quote_cp(
188 (_update_mailname(NULL
) ? displayname
: mailname
), FAL0
));
190 fprintf(n_stdout
, _("1 message"));
192 fprintf(n_stdout
, _("%d messages"), msgCount
);
194 fprintf(n_stdout
, _(" %d new"), n
);
196 fprintf(n_stdout
, _(" %d unread"), u
);
198 fprintf(n_stdout
, _(" %d deleted"), d
);
200 fprintf(n_stdout
, _(" %d saved"), s
);
202 fprintf(n_stdout
, _(" %d moved"), moved
);
204 fprintf(n_stdout
, _(" %d hidden"), hidden
);
206 fprintf(n_stdout
, _(" [Read-only]"));
208 if (mb
.mb_type
== MB_CACHE
)
209 fprintf(n_stdout
, _(" [Disconnected]"));
213 putc('\n', n_stdout
);
218 setfile(char const *name
, enum fedit_mode fm
) /* TODO oh my god */
220 /* TODO This all needs to be converted to URL:: and Mailbox:: */
225 char const *who
, *orig_name
;
226 int rv
, omsgCount
= 0;
227 FILE *ibuf
= NULL
, *lckfp
= NULL
;
228 bool_t isdevnull
= FAL0
;
231 n_pstate
&= ~n_PS_SETFILE_OPENED
;
234 enum fexp_mode fexpm
;
236 if((who
= shortcut_expand(name
)) != NULL
){
237 fexpm
= FEXP_NSHORTCUT
/* XXX | FEXP_NSHELL*/;
240 fexpm
= FEXP_FULL
/* XXX FEXP_NSHELL*/;
245 fm
|= FEDIT_SYSBOX
; /* TODO fexpand() needs to tell is-valid-user! */
246 if(*(who
= &name
[1]) == ':')
248 if((cp
= strrchr(who
, '/')) != NULL
)
254 who
= ok_vlook(LOGNAME
);
256 if ((name
= fexpand(name
, fexpm
)) == NULL
)
260 /* For at least substdate() users TODO -> eventloop tick */
261 time_current_update(&time_current
, FAL0
);
263 switch (which_protocol(orig_name
= name
, TRU1
, TRU1
, &name
)) {
265 isdevnull
= ((n_poption
& n_PO_BATCH_FLAG
) &&
266 !strcmp(name
, n_path_devnull
));
268 do { /* TODO we need objects, goes away then */
269 # ifdef HAVE_REALPATH_NULL
272 if ((cp
= realpath(name
, NULL
)) != NULL
) {
279 if (realpath(name
, cbuf
) != NULL
)
280 name
= savestr(cbuf
);
288 rv
= maildir_setfile(name
, fm
);
293 rv
= pop3_setfile(orig_name
, fm
);
299 if((fm
& FEDIT_NEWMAIL
) && mb
.mb_type
== MB_CACHE
)
302 rv
= imap_setfile(orig_name
, fm
);
306 n_err(_("Cannot handle protocol: %s\n"), orig_name
);
310 if ((ibuf
= n_fopen_any(savecat("file://", name
), "r", NULL
)) == NULL
) {
313 if ((fm
& FEDIT_SYSBOX
) && e
== n_ERR_NOENT
) {
314 if (strcmp(who
, ok_vlook(LOGNAME
)) && getpwnam(who
) == NULL
) {
315 n_err(_("%s is not a user of this system\n"),
316 n_shexp_quote_cp(who
, FAL0
));
319 if (!(n_poption
& n_PO_QUICKRUN_MASK
) && ok_blook(bsdcompat
))
320 n_err(_("No mail for %s\n"), who
);
322 if (fm
& FEDIT_NEWMAIL
)
325 mb
.mb_type
= MB_VOID
;
326 if (ok_blook(emptystart
)) {
327 if (!(n_poption
& n_PO_QUICKRUN_MASK
) && !ok_blook(bsdcompat
))
329 /* We must avoid returning -1 and causing program exit */
337 if (fstat(fileno(ibuf
), &stb
) == -1) {
338 if (fm
& FEDIT_NEWMAIL
)
340 n_perr(_("fstat"), 0);
344 if (S_ISREG(stb
.st_mode
) || isdevnull
) {
347 if (fm
& FEDIT_NEWMAIL
)
349 n_err_no
= S_ISDIR(stb
.st_mode
) ? n_ERR_ISDIR
: n_ERR_INVAL
;
354 if (shudclob
&& !(fm
& FEDIT_NEWMAIL
) && !quit(FAL0
))
360 if (!(fm
& FEDIT_NEWMAIL
) && mb
.mb_sock
.s_fd
>= 0)
361 sclose(&mb
.mb_sock
); /* TODO sorry? VMAILFS->close(), thank you */
364 /* TODO There is no intermediate VOID box we've switched to: name may
365 * TODO point to the same box that we just have written, so any updates
366 * TODO we won't see! Reopen again in this case. RACY! Goes with VOID! */
367 /* TODO In addition: in case of compressed/hook boxes we lock a temporary! */
368 /* TODO We may uselessly open twice but quit() doesn't say whether we were
369 * TODO modified so we can't tell: Mailbox::is_modified() :-(( */
370 if (/*shudclob && !(fm & FEDIT_NEWMAIL) &&*/ !strcmp(name
, mailname
)) {
374 if ((ibuf
= n_fopen_any(name
, "r", NULL
)) == NULL
||
375 fstat(fileno(ibuf
), &stb
) == -1 ||
376 (!S_ISREG(stb
.st_mode
) && !isdevnull
)) {
383 /* Copy the messages into /tmp and set pointers */
384 if (!(fm
& FEDIT_NEWMAIL
)) {
386 mb
.mb_type
= MB_VOID
;
389 mb
.mb_type
= MB_FILE
;
390 mb
.mb_perm
= (((n_poption
& n_PO_R_FLAG
) || (fm
& FEDIT_RDONLY
) ||
391 access(name
, W_OK
) < 0) ? 0 : MB_DELE
| MB_EDIT
);
404 if (fm
& FEDIT_SYSBOX
)
405 n_pstate
&= ~n_PS_EDIT
;
407 n_pstate
|= n_PS_EDIT
;
411 fseek(mb
.mb_otf
, 0L, SEEK_END
);
412 /* TODO Doing this without holding a lock is.. And not err checking.. */
413 fseek(ibuf
, mailsize
, SEEK_SET
);
415 omsgCount
= msgCount
;
420 else if (!(n_pstate
& n_PS_EDIT
))
421 lckfp
= n_dotlock(name
, fileno(ibuf
), FLT_READ
, offset
,0,
422 (fm
& FEDIT_NEWMAIL
? 0 : UIZ_MAX
));
423 else if (n_file_lock(fileno(ibuf
), FLT_READ
, offset
,0,
424 (fm
& FEDIT_NEWMAIL
? 0 : UIZ_MAX
)))
428 if (!(fm
& FEDIT_NEWMAIL
)) {
429 char const *emsg
= (n_pstate
& n_PS_EDIT
)
430 ? N_("Unable to lock mailbox, aborting operation")
431 : N_("Unable to (dot) lock mailbox, aborting operation");
435 if (!(fm
& FEDIT_NEWMAIL
))
440 mailsize
= fsize(ibuf
);
442 /* TODO This is too simple minded? We should regenerate an index file
443 * TODO to be able to truly tell whether *anything* has changed! */
444 if ((fm
& FEDIT_NEWMAIL
) && UICMP(z
, mailsize
, <=, offset
)) {
448 setptr(ibuf
, offset
);
450 if ((fm
& FEDIT_NEWMAIL
) && mb
.mb_sorted
) {
457 if (lckfp
!= NULL
&& lckfp
!= (FILE*)-1) {
462 if (!(fm
& FEDIT_NEWMAIL
)) {
463 n_pstate
&= ~n_PS_SAW_COMMAND
;
464 n_pstate
|= n_PS_SETFILE_OPENED
;
469 rv
= (msgCount
== 0);
471 n_err_no
= n_ERR_NODATA
;
473 if(n_poption
& n_PO_EXISTONLY
)
477 if(!(n_pstate
& n_PS_EDIT
) || (fm
& FEDIT_NEWMAIL
)){
478 if(!(fm
& FEDIT_NEWMAIL
)){
479 if (!ok_blook(emptystart
))
480 n_err(_("No mail for %s\n"), who
);
486 if(fm
& FEDIT_NEWMAIL
)
487 newmailinfo(omsgCount
);
491 if (lckfp
!= NULL
&& lckfp
!= (FILE*)-1)
497 mb
.mb_type
= MB_VOID
;
499 n_err_no
= n_ERR_NOTOBACCO
;
505 newmailinfo(int omsgCount
)
510 for (i
= 0; i
< omsgCount
; ++i
)
511 message
[i
].m_flag
&= ~MNEWEST
;
513 if (msgCount
> omsgCount
) {
514 for (i
= omsgCount
; i
< msgCount
; ++i
)
515 message
[i
].m_flag
|= MNEWEST
;
516 fprintf(n_stdout
, _("New mail has arrived.\n"));
517 if ((i
= msgCount
- omsgCount
) == 1)
518 fprintf(n_stdout
, _("Loaded 1 new message.\n"));
520 fprintf(n_stdout
, _("Loaded %d new messages.\n"), i
);
522 fprintf(n_stdout
, _("Loaded %d messages.\n"), msgCount
);
524 temporary_folder_hook_check(TRU1
);
528 if (ok_blook(header
))
529 print_headers(omsgCount
+ 1, msgCount
, FAL0
);
538 if (n_msgvec
!= NULL
)
540 n_msgvec
= scalloc(sz
+ 1, sizeof *n_msgvec
);
545 print_header_summary(char const *Larg
)
547 size_t bot
, top
, i
, j
;
551 /* Avoid any messages XXX add a make_mua_silent() and use it? */
552 if ((n_poption
& (n_PO_VERB
| n_PO_EXISTONLY
)) == n_PO_EXISTONLY
) {
553 n_stdout
= freopen(n_path_devnull
, "w", stdout
);
554 n_stderr
= freopen(n_path_devnull
, "w", stderr
);
556 assert(n_msgvec
!= NULL
);
557 i
= (getmsglist(/*TODO make const */n_UNCONST(Larg
), n_msgvec
, 0) <= 0);
558 if (n_poption
& n_PO_EXISTONLY
) {
559 n_exit_status
= (int)i
;
564 for (bot
= msgCount
, top
= 0, i
= 0; (j
= n_msgvec
[i
]) != 0; ++i
) {
571 bot
= 1, top
= msgCount
;
572 print_headers(bot
, top
, (Larg
!= NULL
)); /* TODO should take iterator!! */
578 n_folder_announce(enum n_announce_flags af
){
582 mdot
= (mb
.mb_type
== MB_VOID
) ? 1 : getmdot(0);
583 dot
= &message
[mdot
- 1];
585 if(af
!= n_ANNOUNCE_NONE
&& ok_blook(header
) &&
586 ((af
& n_ANNOUNCE_MAIN_CALL
) ||
587 ((af
& n_ANNOUNCE_CHANGE
) && !ok_blook(posix
))))
588 af
|= n_ANNOUNCE_STATUS
| n__ANNOUNCE_HEADER
;
590 if(af
& n_ANNOUNCE_STATUS
){
592 af
|= n__ANNOUNCE_ANY
;
595 if(af
& n__ANNOUNCE_HEADER
){
596 if(!(af
& n_ANNOUNCE_MAIN_CALL
) && ok_blook(bsdannounce
))
597 n_OBSOLETE(_("*bsdannounce* is now default behaviour"));
600 print_header_group(vec
); /* XXX errors? */
601 af
|= n__ANNOUNCE_ANY
;
604 if(af
& n__ANNOUNCE_ANY
)
615 enum mflag avoid
= MHIDDEN
| MDELETED
;
619 if (ok_blook(autothread
)) {
620 n_OBSOLETE(_("please use *autosort=thread* instead of *autothread*"));
622 } else if ((cp
= ok_vlook(autosort
)) != NULL
) {
623 if (mb
.mb_sorted
!= NULL
)
625 mb
.mb_sorted
= sstrdup(cp
);
629 if (mb
.mb_type
== MB_VOID
) {
635 for (mp
= message
; PTRCMP(mp
, <, message
+ msgCount
); ++mp
)
636 if ((mp
->m_flag
& (MNEWEST
| avoid
)) == MNEWEST
)
639 if (!nmail
|| PTRCMP(mp
, >=, message
+ msgCount
)) {
640 if (mb
.mb_threaded
) {
641 for (mp
= threadroot
; mp
!= NULL
; mp
= next_in_thread(mp
))
642 if ((mp
->m_flag
& (MNEW
| avoid
)) == MNEW
)
645 for (mp
= message
; PTRCMP(mp
, <, message
+ msgCount
); ++mp
)
646 if ((mp
->m_flag
& (MNEW
| avoid
)) == MNEW
)
651 if ((mb
.mb_threaded
? (mp
== NULL
) : PTRCMP(mp
, >=, message
+ msgCount
))) {
652 if (mb
.mb_threaded
) {
653 for (mp
= threadroot
; mp
!= NULL
; mp
= next_in_thread(mp
))
654 if (mp
->m_flag
& MFLAGGED
)
657 for (mp
= message
; PTRCMP(mp
, <, message
+ msgCount
); ++mp
)
658 if (mp
->m_flag
& MFLAGGED
)
663 if ((mb
.mb_threaded
? (mp
== NULL
) : PTRCMP(mp
, >=, message
+ msgCount
))) {
664 if (mb
.mb_threaded
) {
665 for (mp
= threadroot
; mp
!= NULL
; mp
= next_in_thread(mp
))
666 if (!(mp
->m_flag
& (MREAD
| avoid
)))
669 for (mp
= message
; PTRCMP(mp
, <, message
+ msgCount
); ++mp
)
670 if (!(mp
->m_flag
& (MREAD
| avoid
)))
676 (mb
.mb_threaded
? (mp
!= NULL
) : PTRCMP(mp
, <, message
+ msgCount
)))
677 mdot
= (int)PTR2SIZE(mp
- message
+ 1);
678 else if (ok_blook(showlast
)) {
679 if (mb
.mb_threaded
) {
680 for (mp
= this_in_thread(threadroot
, -1); mp
;
681 mp
= prev_in_thread(mp
))
682 if (!(mp
->m_flag
& avoid
))
684 mdot
= (mp
!= NULL
) ? (int)PTR2SIZE(mp
- message
+ 1) : msgCount
;
686 for (mp
= message
+ msgCount
- 1; mp
>= message
; --mp
)
687 if (!(mp
->m_flag
& avoid
))
689 mdot
= (mp
>= message
) ? (int)PTR2SIZE(mp
- message
+ 1) : msgCount
;
692 (mb
.mb_threaded
? (mp
!= NULL
) : PTRCMP(mp
, <, message
+ msgCount
)))
693 mdot
= (int)PTR2SIZE(mp
- message
+ 1);
694 else if (mb
.mb_threaded
) {
695 for (mp
= threadroot
; mp
; mp
= next_in_thread(mp
))
696 if (!(mp
->m_flag
& avoid
))
698 mdot
= (mp
!= NULL
) ? (int)PTR2SIZE(mp
- message
+ 1) : 1;
700 for (mp
= message
; PTRCMP(mp
, <, message
+ msgCount
); ++mp
)
701 if (!(mp
->m_flag
& avoid
))
703 mdot
= PTRCMP(mp
, <, message
+ msgCount
)
704 ? (int)PTR2SIZE(mp
- message
+ 1) : 1;
712 initbox(char const *name
)
717 if (mb
.mb_type
!= MB_VOID
)
718 n_strscpy(prevfile
, mailname
, PATH_MAX
);
720 /* TODO name always NE mailname (but goes away for objects anyway)
721 * TODO Well, not true no more except that in parens */
722 _update_mailname((name
!= mailname
) ? name
: NULL
);
724 if ((mb
.mb_otf
= Ftmp(&tempMesg
, "tmpmbox", OF_WRONLY
| OF_HOLDSIGS
)) ==
726 n_perr(_("temporary mail message file"), 0);
729 if ((mb
.mb_itf
= safe_fopen(tempMesg
, "r", NULL
)) == NULL
) {
730 n_perr(_("temporary mail message file"), 0);
733 Ftmp_release(&tempMesg
);
736 mb
.mb_active
= MB_NONE
;
739 mb
.mb_flags
= MB_NOFLAGS
;
741 if (mb
.mb_sorted
!= NULL
) {
745 dot
= prevdot
= threadroot
= NULL
;
746 n_pstate
&= ~n_PS_DID_PRINT_DOT
;
751 n_folder_query(void){
752 struct n_string s
, *sp
= &s
;
755 char const *rv
, *adjcp
;
759 sp
= n_string_creat_auto(sp
);
761 /* *folder* is linked with *folder_resolved*: we only use the latter */
763 if((rv
= ok_vlook(folder_resolved
)) != NULL
)
767 * If directory does not start with a <slash> ('/'), the contents
768 * of HOME shall be prefixed to it.
770 * If folder is unset or set to null, [.] filenames beginning with
771 * '+' shall refer to files in the current directory.
772 * We may have the result already */
776 if((cp
= ok_vlook(folder
)) == NULL
)
779 /* Expand the *folder*; skip %: prefix for simplicity of use */
780 if(cp
[0] == '%' && cp
[1] == ':')
782 if((err
= (cp
= fexpand(cp
, FEXP_NSPECIAL
| FEXP_NFOLDER
| FEXP_NSHELL
)
783 ) == NULL
) || *cp
== '\0')
788 for(i
= strlen(cp
);;){
798 switch((proto
= which_protocol(cp
, FAL0
, FAL0
, &adjcp
))){
800 n_err(_("*folder* can't be set to a flat, read-only POP3 account\n"));
806 if(!strcmp(rv
, protbase(rv
)))
807 rv
= savecatsep(rv
, '/', n_empty
);
809 n_err(_("*folder*: IMAP support not compiled in\n"));
814 /* Further expansion desired */
818 /* Prefix HOME as necessary */
819 if(*adjcp
!= '/'){ /* XXX path_is_absolute() */
823 home
= ok_vlook(HOME
);
827 sp
= n_string_reserve(sp
, l1
+ 1 + l2
+1);
831 sp
= n_string_push_buf(sp
, cp
, i
= PTR2SIZE(adjcp
- cp
));
835 sp
= n_string_push_buf(sp
, home
, l1
);
836 sp
= n_string_push_c(sp
, '/');
837 sp
= n_string_push_buf(sp
, cp
, l2
);
838 cp
= n_string_cp(sp
);
839 sp
= n_string_drop_ownership(sp
);
842 /* TODO Since our visual mailname is resolved via realpath(3) if available
843 * TODO to avoid that we loose track of our currently open folder in case
844 * TODO we chdir away, but still checks the leading path portion against
845 * TODO n_folder_query() to be able to abbreviate to the +FOLDER syntax if
846 * TODO possible, we need to realpath(3) the folder, too */
847 #ifndef HAVE_REALPATH
850 assert(sp
->s_len
== 0 && sp
->s_dat
== NULL
);
851 # ifndef HAVE_REALPATH_NULL
852 sp
= n_string_reserve(sp
, PATH_MAX
+1);
855 if((sp
->s_dat
= realpath(cp
, sp
->s_dat
)) != NULL
){
856 # ifdef HAVE_REALPATH_NULL
857 n_string_cp(sp
= n_string_assign_cp(sp
, cp
= sp
->s_dat
));
861 }else if(n_err_no
== n_ERR_NOENT
)
864 n_err(_("Can't canonicalize *folder*: %s\n"),
865 n_shexp_quote_cp(cp
, FAL0
));
869 sp
= n_string_drop_ownership(sp
);
870 #endif /* HAVE_REALPATH */
872 /* Always append a solidus to our result path upon success */
876 if(rv
[(i
= strlen(rv
)) - 1] != '/'){
877 sp
= n_string_reserve(sp
, i
+ 1 +1);
878 sp
= n_string_push_buf(sp
, rv
, i
);
879 sp
= n_string_push_c(sp
, '/');
880 rv
= n_string_cp(sp
);
881 sp
= n_string_drop_ownership(sp
);
886 n_PS_ROOT_BLOCK(ok_vset(folder_resolved
, rv
));
890 n_err(_("*folder* is not resolvable, using CWD\n"));
891 assert(rv
!= NULL
&& *rv
== '\0');
898 n_folder_mbox_prepare_append(FILE *fout
, struct stat
*st_or_null
){
899 /* TODO n_folder_mbox_prepare_append -> Mailbox->append() */
906 if(fseek(fout
, -2L, SEEK_END
)){
909 if(st_or_null
== NULL
){
911 if(fstat(fileno(fout
), st_or_null
))
915 if(st_or_null
->st_size
>= 2)
917 if(st_or_null
->st_size
== 0){
921 if(fseek(fout
, -1L, SEEK_END
))
928 switch(fread(buf
, sizeof *buf
, 2, fout
)){
943 if(fflush(fout
) || (needsep
&& putc('\n', fout
) == EOF
))