cmd1.c

   1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
   2  *@ User commands.
   3  *
   4  * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
   5  * Copyright (c) 2012 - 2015 Steffen (Daode) Nurpmeso <sdaoden@users.sf.net>.
   6  */
   7 /*
   8  * Copyright (c) 1980, 1993
   9  *      The Regents of the University of California.  All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  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.
  22  *
  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
  33  * SUCH DAMAGE.
  34  */
  35 #undef n_FILE
  36 #define n_FILE cmd1
  37
  38 #ifndef HAVE_AMALGAMATION
  39 # include "nail.h"
  40 #endif
  41
  42 static int        _screen;
  43 static sigjmp_buf _cmd1_pipestop;
  44 static sigjmp_buf _cmd1_pipejmp;
  45
  46 static void    _cmd1_onpipe(int signo);
  47 static void    _cmd1_brokpipe(int signo);
  48
  49 /* Prepare and print "[Message: xy]:" intro */
  50 static void    _show_msg_overview(FILE *obuf, struct message *mp, int msg_no);
  51
  52 /* ... And place the extracted date in `date' */
  53 static void    _parse_from_(struct message *mp, char date[FROM_DATEBUF]);
  54
  55 /* Print out the header of a specific message
  56  * __hprf: handle *headline*
  57  * __subject: return -1 if Subject: yet seen, otherwise smalloc()d Subject:
  58  * __putindent: print out the indenting in threaded display */
  59 static void    _print_head(size_t yetprinted, size_t msgno, FILE *f,
  60                   bool_t threaded);
  61 static void    __hprf(size_t yetprinted, char const *fmt, size_t msgno,
  62                   FILE *f, bool_t threaded, char const *attrlist);
  63 static char *  __subject(struct message *mp, bool_t threaded,
  64                   size_t yetprinted);
  65 static int     __putindent(FILE *fp, struct message *mp, int maxwidth);
  66
  67 static int     _dispc(struct message *mp, char const *a);
  68
  69 /* Shared `z' implementation */
  70 static int     _scroll1(char *arg, int onlynew);
  71
  72 /* Shared `headers' implementation */
  73 static int     _headers(int msgspec);
  74
  75 /* Show the requested messages */
  76 static int     _type1(int *msgvec, bool_t doign, bool_t dopage, bool_t dopipe,
  77                   bool_t dodecode, char *cmd, ui64_t *tstats);
  78
  79 /* Pipe the requested messages */
  80 static int     _pipe1(char *str, int doign);
  81
  82 static void
  83 _cmd1_onpipe(int signo)
  84 {
  85    NYD_X; /* Signal handler */
  86    UNUSED(signo);
  87    siglongjmp(_cmd1_pipejmp, 1);
  88 }
  89
  90 static void
  91 _cmd1_brokpipe(int signo)
  92 {
  93    NYD_X; /* Signal handler */
  94    UNUSED(signo);
  95    siglongjmp(_cmd1_pipestop, 1);
  96 }
  97
  98 static void
  99 _show_msg_overview(FILE *obuf, struct message *mp, int msg_no)
 100 {
 101    char const *cpre = "", *csuf = "";
 102    NYD_ENTER;
 103
 104 #ifdef HAVE_COLOUR
 105    if (colour_table != NULL) {
 106       struct str const *sp;
 107
 108       if ((sp = colour_get(COLOURSPEC_MSGINFO)) != NULL)
 109          cpre = sp->s;
 110       csuf = colour_get(COLOURSPEC_RESET)->s;
 111    }
 112 #endif
 113    fprintf(obuf, _("%s[-- Message %2d -- %lu lines, %lu bytes --]:%s\n"),
 114       cpre, msg_no, (ul_i)mp->m_lines, (ul_i)mp->m_size, csuf);
 115    NYD_LEAVE;
 116 }
 117
 118 static void
 119 _parse_from_(struct message *mp, char date[FROM_DATEBUF]) /* TODO line pool */
 120 {
 121    FILE *ibuf;
 122    int hlen;
 123    char *hline = NULL;
 124    size_t hsize = 0;
 125    NYD_ENTER;
 126
 127    if ((ibuf = setinput(&mb, mp, NEED_HEADER)) != NULL &&
 128          (hlen = readline_restart(ibuf, &hline, &hsize, 0)) > 0)
 129       extract_date_from_from_(hline, hlen, date);
 130    if (hline != NULL)
 131       free(hline);
 132    NYD_LEAVE;
 133 }
 134
 135 static void
 136 _print_head(size_t yetprinted, size_t msgno, FILE *f, bool_t threaded)
 137 {
 138    enum {attrlen = 14};
 139    char attrlist[attrlen +1], *cp;
 140    char const *fmt;
 141    NYD_ENTER;
 142
 143    if ((cp = ok_vlook(attrlist)) != NULL) {
 144       if (strlen(cp) == attrlen) {
 145          memcpy(attrlist, cp, attrlen +1);
 146          goto jattrok;
 147       }
 148       n_err(_("*attrlist* is not of the correct length, using builtin\n"));
 149    }
 150
 151    if (ok_blook(bsdcompat) || ok_blook(bsdflags) || env_blook("SYSV3", FAL0)) {
 152       char const bsdattr[attrlen +1] = "NU  *HMFAT+-$~";
 153       memcpy(attrlist, bsdattr, sizeof bsdattr);
 154    } else {
 155       char const pattr[attrlen +1]   = "NUROSPMFAT+-$~";
 156       memcpy(attrlist, pattr, sizeof pattr);
 157    }
 158
 159 jattrok:
 160    if ((fmt = ok_vlook(headline)) == NULL) {
 161       fmt = ((ok_blook(bsdcompat) || ok_blook(bsdheadline))
 162             ? "%>%a%m %-20f  %16d %3l/%-5o %i%-S"
 163             : "%>%a%m %-18f %16d %4l/%-5o %i%-s");
 164    }
 165
 166    __hprf(yetprinted, fmt, msgno, f, threaded, attrlist);
 167    NYD_LEAVE;
 168 }
 169
 170 static void
 171 __hprf(size_t yetprinted, char const *fmt, size_t msgno, FILE *f,
 172    bool_t threaded, char const *attrlist)
 173 {
 174    char buf[16], datebuf[FROM_DATEBUF], *cp, *subjline;
 175    char const *datefmt, *date, *name, *fp;
 176    int i, n, s, wleft, subjlen;
 177    struct message *mp;
 178    time_t datet;
 179    enum {
 180       _NONE       = 0,
 181       _ISADDR     = 1<<0,
 182       _ISTO       = 1<<1,
 183       _IFMT       = 1<<2,
 184       _LOOP_MASK  = (1<<3) - 1,
 185       _SFMT       = 1<<3
 186    } flags = _NONE;
 187    NYD_ENTER;
 188    UNUSED(buf);
 189
 190    mp = message + msgno - 1;
 191    datet = mp->m_time;
 192    date = NULL;
 193
 194    datefmt = ok_vlook(datefield);
 195 jredo:
 196    if (datefmt != NULL) {
 197       fp = hfield1("date", mp);/* TODO use m_date field! */
 198       if (fp == NULL) {
 199          datefmt = NULL;
 200          goto jredo;
 201       }
 202       datet = rfctime(fp);
 203       date = fakedate(datet);
 204       fp = ok_vlook(datefield_markout_older);
 205       i = (*datefmt != '\0');
 206       if (fp != NULL)
 207          i |= (*fp != '\0') ? 2 | 4 : 2; /* XXX no magics */
 208
 209       /* May we strftime(3)? */
 210       if (i & (1 | 4))
 211          memcpy(&time_current.tc_local, localtime(&datet),
 212             sizeof time_current.tc_local);
 213
 214       if ((i & 2) && (datet > time_current.tc_time + DATE_SECSDAY ||
 215 #define _6M ((DATE_DAYSYEAR / 2) * DATE_SECSDAY)
 216             (datet + _6M < time_current.tc_time))) {
 217 #undef _6M
 218          if ((datefmt = (i & 4) ? fp : NULL) == NULL) {
 219             memset(datebuf, ' ', FROM_DATEBUF); /* xxx ur */
 220             memcpy(datebuf + 4, date + 4, 7);
 221             datebuf[4 + 7] = ' ';
 222             memcpy(datebuf + 4 + 7 + 1, date + 20, 4);
 223             datebuf[4 + 7 + 1 + 4] = '\0';
 224             date = datebuf;
 225          }
 226       } else if ((i & 1) == 0)
 227          datefmt = NULL;
 228    } else if (datet == (time_t)0 && !(mp->m_flag & MNOFROM)) {
 229       /* TODO eliminate this path, query the FROM_ date in setptr(),
 230        * TODO all other codepaths do so by themselves ALREADY ?????
 231        * TODO assert(mp->m_time != 0);, then
 232        * TODO ALSO changes behaviour of datefield_markout_older */
 233       _parse_from_(mp, datebuf);
 234       date = datebuf;
 235    } else
 236       date = fakedate(datet);
 237
 238    flags |= _ISADDR;
 239    name = name1(mp, 0);
 240    if (name != NULL && ok_blook(showto) && is_myname(skin(name))) {
 241       if ((cp = hfield1("to", mp)) != NULL) {
 242          name = cp;
 243          flags |= _ISTO;
 244       }
 245    }
 246    if (name == NULL) {
 247       name = "";
 248       flags &= ~_ISADDR;
 249    }
 250    if (flags & _ISADDR)
 251       name = ok_blook(showname) ? realname(name) : prstr(skin(name));
 252
 253    subjline = NULL;
 254
 255    /* Detect the width of the non-format characters in *headline*;
 256     * like that we can simply use putc() in the next loop, since we have
 257     * already calculated their column widths (TODO it's sick) */
 258    wleft = subjlen = scrnwidth;
 259
 260    for (fp = fmt; *fp != '\0'; ++fp) {
 261       if (*fp == '%') {
 262          if (*++fp == '-')
 263             ++fp;
 264          else if (*fp == '+')
 265             ++fp;
 266          if (digitchar(*fp)) {
 267             n = 0;
 268             do
 269                n = 10*n + *fp - '0';
 270             while (++fp, digitchar(*fp));
 271             subjlen -= n;
 272          }
 273          if (*fp == 'i')
 274             flags |= _IFMT;
 275
 276          if (*fp == '\0')
 277             break;
 278       } else {
 279 #ifdef HAVE_WCWIDTH
 280          if (mb_cur_max > 1) {
 281             wchar_t  wc;
 282             if ((s = mbtowc(&wc, fp, mb_cur_max)) == -1)
 283                n = s = 1;
 284             else if ((n = wcwidth(wc)) == -1)
 285                n = 1;
 286          } else
 287 #endif
 288             n = s = 1;
 289          subjlen -= n;
 290          wleft -= n;
 291          while (--s > 0)
 292             ++fp;
 293       }
 294    }
 295
 296    /* Walk *headline*, producing output TODO not (really) MB safe */
 297    for (fp = fmt; *fp != '\0'; ++fp) {
 298       char c;
 299       if ((c = *fp & 0xFF) != '%')
 300          putc(c, f);
 301       else {
 302          flags &= _LOOP_MASK;
 303          n = 0;
 304          s = 1;
 305          if (*++fp == '-') {
 306             s = -1;
 307             ++fp;
 308          } else if (*fp == '+')
 309             ++fp;
 310          if (digitchar(*fp)) {
 311             do
 312                n = 10*n + *fp - '0';
 313             while (++fp, digitchar(*fp));
 314          }
 315          if (*fp == '\0')
 316             break;
 317
 318          n *= s;
 319          switch ((c = *fp & 0xFF)) {
 320          case '%':
 321             goto jputc;
 322          case '>':
 323          case '<':
 324             if (dot != mp)
 325                c = ' ';
 326             goto jputc;
 327          case '$':
 328 #ifdef HAVE_SPAM
 329             if (n == 0)
 330                n = 5;
 331             if (UICMP(32, ABS(n), >, wleft))
 332                n = (n < 0) ? -wleft : wleft;
 333             snprintf(buf, sizeof buf, "%u.%02u",
 334                (mp->m_spamscore >> 8), (mp->m_spamscore & 0xFF));
 335             n = fprintf(f, "%*s", n, buf);
 336             wleft = (n >= 0) ? wleft - n : 0;
 337             break;
 338 #else
 339             c = '?';
 340             goto jputc;
 341 #endif
 342          case 'a':
 343             c = _dispc(mp, attrlist);
 344 jputc:
 345             if (UICMP(32, ABS(n), >, wleft))
 346                n = (n < 0) ? -wleft : wleft;
 347             n = fprintf(f, "%*c", n, c);
 348             wleft = (n >= 0) ? wleft - n : 0;
 349             break;
 350          case 'd':
 351             if (datefmt != NULL) {
 352                i = strftime(datebuf, sizeof datebuf, datefmt,
 353                      &time_current.tc_local);
 354                if (i != 0)
 355                   date = datebuf;
 356                else
 357                   n_err(_("Ignored date format, it excesses the target "
 358                      "buffer (%lu bytes)\n"), (ul_i)sizeof(datebuf));
 359                datefmt = NULL;
 360             }
 361             if (n == 0)
 362                n = 16;
 363             if (UICMP(32, ABS(n), >, wleft))
 364                n = (n < 0) ? -wleft : wleft;
 365             n = fprintf(f, "%*.*s", n, n, date);
 366             wleft = (n >= 0) ? wleft - n : 0;
 367             break;
 368          case 'e':
 369             if (n == 0)
 370                n = 2;
 371             if (UICMP(32, ABS(n), >, wleft))
 372                n = (n < 0) ? -wleft : wleft;
 373             n = fprintf(f, "%*u", n, (threaded == 1 ? mp->m_level : 0));
 374             wleft = (n >= 0) ? wleft - n : 0;
 375             break;
 376          case 'f':
 377             if (n == 0) {
 378                n = 18;
 379                if (s < 0)
 380                   n = -n;
 381             }
 382             i = ABS(n);
 383             if (i > wleft) {
 384                i = wleft;
 385                n = (n < 0) ? -wleft : wleft;
 386             }
 387             if (flags & _ISTO) /* XXX tr()! */
 388                i -= 3;
 389             n = fprintf(f, "%s%s", ((flags & _ISTO) ? "To " : ""),
 390                   colalign(name, i, n, &wleft));
 391             if (n < 0)
 392                wleft = 0;
 393             else if (flags & _ISTO)
 394                wleft -= 3;
 395             break;
 396          case 'i':
 397             if (threaded) {
 398                n = __putindent(f, mp, MIN(wleft, scrnwidth - 60));
 399                wleft = (n >= 0) ? wleft - n : 0;
 400             }
 401             break;
 402          case 'l':
 403             if (n == 0)
 404                n = 4;
 405             if (UICMP(32, ABS(n), >, wleft))
 406                n = (n < 0) ? -wleft : wleft;
 407             if (mp->m_xlines) {
 408                n = fprintf(f, "%*ld", n, mp->m_xlines);
 409                wleft = (n >= 0) ? wleft - n : 0;
 410             } else {
 411                n = ABS(n);
 412                wleft -= n;
 413                while (n-- != 0)
 414                   putc(' ', f);
 415             }
 416             break;
 417          case 'm':
 418             if (n == 0) {
 419                n = 3;
 420                if (threaded)
 421                   for (i = msgCount; i > 999; i /= 10)
 422                      ++n;
 423             }
 424             if (UICMP(32, ABS(n), >, wleft))
 425                n = (n < 0) ? -wleft : wleft;
 426             n = fprintf(f, "%*lu", n, (ul_i)msgno);
 427             wleft = (n >= 0) ? wleft - n : 0;
 428             break;
 429          case 'o':
 430             if (n == 0)
 431                n = -5;
 432             if (UICMP(32, ABS(n), >, wleft))
 433                n = (n < 0) ? -wleft : wleft;
 434             n = fprintf(f, "%*lu", n, (long)mp->m_xsize);
 435             wleft = (n >= 0) ? wleft - n : 0;
 436             break;
 437          case 'S':
 438             flags |= _SFMT;
 439             /*FALLTHRU*/
 440          case 's':
 441             if (n == 0)
 442                n = subjlen - 2;
 443             if (n > 0 && s < 0)
 444                n = -n;
 445             if (subjlen > wleft)
 446                subjlen = wleft;
 447             if (UICMP(32, ABS(n), >, subjlen))
 448                n = (n < 0) ? -subjlen : subjlen;
 449             if (flags & _SFMT)
 450                n -= (n < 0) ? -2 : 2;
 451             if (n == 0)
 452                break;
 453             if (subjline == NULL)
 454                subjline = __subject(mp, (threaded && (flags & _IFMT)),
 455                      yetprinted);
 456             if (subjline == (char*)-1) {
 457                n = fprintf(f, "%*s", n, "");
 458                wleft = (n >= 0) ? wleft - n : 0;
 459             } else {
 460                n = fprintf(f, ((flags & _SFMT) ? "\"%s\"" : "%s"),
 461                      colalign(subjline, ABS(n), n, &wleft));
 462                if (n < 0)
 463                   wleft = 0;
 464             }
 465             break;
 466          case 'T': { /* Message recipient flags */
 467             /* We never can reuse "name" since it's the full name */
 468             struct name const *np = lextract(hfield1("to", mp), GTO | GSKIN);
 469             c = ' ';
 470             i = 0;
 471 j_A_redo:
 472             for (; np != NULL; np = np->n_flink) {
 473                switch (is_mlist(np->n_name, FAL0)) {
 474                case MLIST_SUBSCRIBED:  c = 'S'; goto jputc;
 475                case MLIST_KNOWN:       c = 'L'; goto jputc;
 476                case MLIST_OTHER:
 477                default:                break;
 478                }
 479             }
 480             if (i != 0)
 481                goto jputc;
 482             ++i;
 483             np = lextract(hfield1("cc", mp), GCC | GSKIN);
 484             goto j_A_redo;
 485          }
 486          case 't':
 487             if (n == 0) {
 488                n = 3;
 489                if (threaded)
 490                   for (i = msgCount; i > 999; i /= 10)
 491                      ++n;
 492             }
 493             if (UICMP(32, ABS(n), >, wleft))
 494                n = (n < 0) ? -wleft : wleft;
 495             n = fprintf(f, "%*lu", n,
 496                   (threaded ? (ul_i)mp->m_threadpos : (ul_i)msgno));
 497             wleft = (n >= 0) ? wleft - n : 0;
 498             break;
 499          case 'U':
 500 #ifdef HAVE_IMAP
 501             if (n == 0)
 502                n = 9;
 503             if (UICMP(32, ABS(n), >, wleft))
 504                n = (n < 0) ? -wleft : wleft;
 505             n = fprintf(f, "%*lu", n, mp->m_uid);
 506             wleft = (n >= 0) ? wleft - n : 0;
 507             break;
 508 #else
 509             c = '?';
 510             goto jputc;
 511 #endif
 512          default:
 513             if (options & OPT_D_V)
 514                n_err(_("Unkown *headline* format: \"%%%c\"\n"), c);
 515             c = '?';
 516             goto jputc;
 517          }
 518
 519          if (wleft <= 0)
 520             break;
 521       }
 522    }
 523    putc('\n', f);
 524
 525    if (subjline != NULL && subjline != (char*)-1)
 526       free(subjline);
 527    NYD_LEAVE;
 528 }
 529
 530 static char *
 531 __subject(struct message *mp, bool_t threaded, size_t yetprinted)
 532 {
 533    struct str in, out;
 534    char *rv = (char*)-1, *ms;
 535    NYD_ENTER;
 536
 537    if ((ms = hfield1("subject", mp)) == NULL)
 538       goto jleave;
 539
 540    in.l = strlen(in.s = ms);
 541    mime_fromhdr(&in, &out, TD_ICONV | TD_ISPR);
 542    rv = ms = out.s;
 543
 544    if (!threaded || mp->m_level == 0)
 545       goto jleave;
 546
 547    /* In a display thread - check wether this message uses the same
 548     * Subject: as it's parent or elder neighbour, suppress printing it if
 549     * this is the case.  To extend this a bit, ignore any leading Re: or
 550     * Fwd: plus follow-up WS.  Ignore invisible messages along the way */
 551    ms = subject_re_trim(ms);
 552
 553    for (; (mp = prev_in_thread(mp)) != NULL && yetprinted-- > 0;) {
 554       char *os;
 555
 556       if (visible(mp) && (os = hfield1("subject", mp)) != NULL) {
 557          struct str oout;
 558          int x;
 559
 560          in.l = strlen(in.s = os);
 561          mime_fromhdr(&in, &oout, TD_ICONV | TD_ISPR);
 562          x = asccasecmp(ms, subject_re_trim(oout.s));
 563          free(oout.s);
 564
 565          if (!x) {
 566             free(out.s);
 567             rv = (char*)-1;
 568          }
 569          break;
 570       }
 571    }
 572 jleave:
 573    NYD_LEAVE;
 574    return rv;
 575 }
 576
 577 static int
 578 __putindent(FILE *fp, struct message *mp, int maxwidth)/* XXX no magic consts */
 579 {
 580    struct message *mq;
 581    int *us, indlvl, indw, i, important = MNEW | MFLAGGED;
 582    char *cs;
 583    NYD_ENTER;
 584
 585    if (mp->m_level == 0 || maxwidth == 0) {
 586       indw = 0;
 587       goto jleave;
 588    }
 589
 590    cs = ac_alloc(mp->m_level);
 591    us = ac_alloc(mp->m_level * sizeof *us);
 592
 593    i = mp->m_level - 1;
 594    if (mp->m_younger && UICMP(32, i + 1, ==, mp->m_younger->m_level)) {
 595       if (mp->m_parent && mp->m_parent->m_flag & important)
 596          us[i] = mp->m_flag & important ? 0x2523 : 0x2520;
 597       else
 598          us[i] = mp->m_flag & important ? 0x251D : 0x251C;
 599       cs[i] = '+';
 600    } else {
 601       if (mp->m_parent && mp->m_parent->m_flag & important)
 602          us[i] = mp->m_flag & important ? 0x2517 : 0x2516;
 603       else
 604          us[i] = mp->m_flag & important ? 0x2515 : 0x2514;
 605       cs[i] = '\\';
 606    }
 607
 608    mq = mp->m_parent;
 609    for (i = mp->m_level - 2; i >= 0; --i) {
 610       if (mq) {
 611          if (UICMP(32, i, >, mq->m_level - 1)) {
 612             us[i] = cs[i] = ' ';
 613             continue;
 614          }
 615          if (mq->m_younger) {
 616             if (mq->m_parent && (mq->m_parent->m_flag & important))
 617                us[i] = 0x2503;
 618             else
 619                us[i] = 0x2502;
 620             cs[i] = '|';
 621          } else
 622             us[i] = cs[i] = ' ';
 623          mq = mq->m_parent;
 624       } else
 625          us[i] = cs[i] = ' ';
 626    }
 627
 628    --maxwidth;
 629    for (indlvl = indw = 0; (ui8_t)indlvl < mp->m_level && indw < maxwidth;
 630          ++indlvl) {
 631       if (indw < maxwidth - 1)
 632          indw += (int)putuc(us[indlvl], cs[indlvl] & 0xFF, fp);
 633       else
 634          indw += (int)putuc(0x21B8, '^', fp);
 635    }
 636    indw += putuc(0x25B8, '>', fp);
 637
 638    ac_free(us);
 639    ac_free(cs);
 640 jleave:
 641    NYD_LEAVE;
 642    return indw;
 643 }
 644
 645 static int
 646 _dispc(struct message *mp, char const *a)
 647 {
 648    int i = ' ';
 649    NYD_ENTER;
 650
 651    if ((mp->m_flag & (MREAD | MNEW)) == MREAD)
 652       i = a[3];
 653    if ((mp->m_flag & (MREAD | MNEW)) == (MREAD | MNEW))
 654       i = a[2];
 655    if (mp->m_flag & MANSWERED)
 656       i = a[8];
 657    if (mp->m_flag & MDRAFTED)
 658       i = a[9];
 659    if ((mp->m_flag & (MREAD | MNEW)) == MNEW)
 660       i = a[0];
 661    if (!(mp->m_flag & (MREAD | MNEW)))
 662       i = a[1];
 663    if (mp->m_flag & MSPAM)
 664       i = a[12];
 665    if (mp->m_flag & MSPAMUNSURE)
 666       i = a[13];
 667    if (mp->m_flag & MSAVED)
 668       i = a[4];
 669    if (mp->m_flag & MPRESERVE)
 670       i = a[5];
 671    if (mp->m_flag & (MBOX | MBOXED))
 672       i = a[6];
 673    if (mp->m_flag & MFLAGGED)
 674       i = a[7];
 675    if (mb.mb_threaded == 1 && mp->m_collapsed > 0)
 676       i = a[11];
 677    if (mb.mb_threaded == 1 && mp->m_collapsed < 0)
 678       i = a[10];
 679    NYD_LEAVE;
 680    return i;
 681 }
 682
 683 static int
 684 _scroll1(char *arg, int onlynew)
 685 {
 686    int msgspec, size;
 687    NYD_ENTER;
 688
 689    msgspec = onlynew ? -1 : 0;
 690    size = screensize();
 691
 692    if (arg[0] != '\0' && arg[1] != '\0')
 693       goto jerr;
 694    switch (*arg) {
 695    case '1': case '2': case '3': case '4': case '5':
 696    case '6': case '7': case '8': case '9': case '0':
 697       _screen = atoi(arg);
 698       goto jscroll_forward;
 699    case '\0':
 700       ++_screen;
 701       goto jscroll_forward;
 702    case '$':
 703       _screen = msgCount / size;
 704       goto jscroll_forward;
 705    case '+':
 706       if (arg[1] == '\0')
 707          ++_screen;
 708       else
 709          _screen += atoi(arg + 1);
 710 jscroll_forward:
 711       if (_screen * size > msgCount) {
 712          _screen = msgCount / size;
 713          printf(_("On last screenful of messages\n"));
 714       }
 715       break;
 716    case '-':
 717       if (arg[1] == '\0')
 718          --_screen;
 719       else
 720          _screen -= atoi(arg + 1);
 721       if (_screen < 0) {
 722          _screen = 0;
 723          printf(_("On first screenful of messages\n"));
 724       }
 725       if (msgspec == -1)
 726          msgspec = -2;
 727       break;
 728    default:
 729 jerr:
 730       n_err(_("Unrecognized scrolling command \"%s\"\n"), arg);
 731       size = 1;
 732       goto jleave;
 733    }
 734
 735    size = _headers(msgspec);
 736 jleave:
 737    NYD_LEAVE;
 738    return size;
 739 }
 740
 741 static int
 742 _headers(int msgspec) /* FIXME rework v14.8; also: Neitzel mail, 2014-08-21 */
 743 {
 744    ui32_t flag;
 745    int g, k, mesg, size, lastg = 1;
 746    struct message *mp, *mq, *lastmq = NULL;
 747    enum mflag fl = MNEW | MFLAGGED;
 748    NYD_ENTER;
 749
 750    time_current_update(&time_current, FAL0);
 751
 752    flag = 0;
 753    size = screensize();
 754    if (_screen < 0)
 755       _screen = 0;
 756 #if 0 /* FIXME original code path */
 757       k = _screen * size;
 758 #else
 759    if (msgspec <= 0)
 760       k = _screen * size;
 761    else
 762       k = msgspec;
 763 #endif
 764    if (k >= msgCount)
 765       k = msgCount - size;
 766    if (k < 0)
 767       k = 0;
 768
 769    if (mb.mb_threaded == 0) {
 770       g = 0;
 771       mq = message;
 772       for (mp = message; PTRCMP(mp, <, message + msgCount); ++mp)
 773          if (visible(mp)) {
 774             if (g % size == 0)
 775                mq = mp;
 776             if (mp->m_flag & fl) {
 777                lastg = g;
 778                lastmq = mq;
 779             }
 780             if ((msgspec > 0 && PTRCMP(mp, ==, message + msgspec - 1)) ||
 781                   (msgspec == 0 && g == k) ||
 782                   (msgspec == -2 && g == k + size && lastmq) ||
 783                   (msgspec < 0 && g >= k && (mp->m_flag & fl) != 0))
 784                break;
 785             g++;
 786          }
 787       if (lastmq && (msgspec == -2 ||
 788             (msgspec == -1 && PTRCMP(mp, ==, message + msgCount)))) {
 789          g = lastg;
 790          mq = lastmq;
 791       }
 792       _screen = g / size;
 793       mp = mq;
 794       mesg = (int)PTR2SIZE(mp - message);
 795       if (PTRCMP(dot, !=, message + msgspec - 1)) { /* TODO really?? */
 796          for (mq = mp; PTRCMP(mq, <, message + msgCount); ++mq)
 797             if (visible(mq)) {
 798                setdot(mq);
 799                break;
 800             }
 801       }
 802 #ifdef HAVE_IMAP
 803       if (mb.mb_type == MB_IMAP)
 804          imap_getheaders(mesg + 1, mesg + size);
 805 #endif
 806       srelax_hold();
 807       for (; PTRCMP(mp, <, message + msgCount); ++mp) {
 808          ++mesg;
 809          if (!visible(mp))
 810             continue;
 811          if (UICMP(32, flag++, >=, size))
 812             break;
 813          _print_head(0, mesg, stdout, 0);
 814          srelax();
 815       }
 816       srelax_rele();
 817    } else { /* threaded */
 818       g = 0;
 819       mq = threadroot;
 820       for (mp = threadroot; mp; mp = next_in_thread(mp))
 821          if (visible(mp) &&
 822                (mp->m_collapsed <= 0 ||
 823                 PTRCMP(mp, ==, message + msgspec - 1))) {
 824             if (g % size == 0)
 825                mq = mp;
 826             if (mp->m_flag & fl) {
 827                lastg = g;
 828                lastmq = mq;
 829             }
 830             if ((msgspec > 0 && PTRCMP(mp, ==, message + msgspec - 1)) ||
 831                   (msgspec == 0 && g == k) ||
 832                   (msgspec == -2 && g == k + size && lastmq) ||
 833                   (msgspec < 0 && g >= k && (mp->m_flag & fl) != 0))
 834                break;
 835             g++;
 836          }
 837       if (lastmq && (msgspec == -2 ||
 838             (msgspec == -1 && PTRCMP(mp, ==, message + msgCount)))) {
 839          g = lastg;
 840          mq = lastmq;
 841       }
 842       _screen = g / size;
 843       mp = mq;
 844       if (PTRCMP(dot, !=, message + msgspec - 1)) { /* TODO really?? */
 845          for (mq = mp; mq; mq = next_in_thread(mq))
 846             if (visible(mq) && mq->m_collapsed <= 0) {
 847                setdot(mq);
 848                break;
 849             }
 850       }
 851       srelax_hold();
 852       while (mp) {
 853          if (visible(mp) &&
 854                (mp->m_collapsed <= 0 ||
 855                 PTRCMP(mp, ==, message + msgspec - 1))) {
 856             if (UICMP(32, flag++, >=, size))
 857                break;
 858             _print_head(flag - 1, PTR2SIZE(mp - message + 1), stdout,
 859                mb.mb_threaded);
 860             srelax();
 861          }
 862          mp = next_in_thread(mp);
 863       }
 864       srelax_rele();
 865    }
 866
 867    if (!flag)
 868       printf(_("No more mail.\n"));
 869    NYD_LEAVE;
 870    return !flag;
 871 }
 872
 873 static int
 874 _type1(int *msgvec, bool_t doign, bool_t dopage, bool_t dopipe,
 875    bool_t dodecode, char *cmd, ui64_t *tstats)
 876 {
 877    ui64_t mstats[1];
 878    int rv, *ip;
 879    struct message *mp;
 880    char const *cp;
 881    FILE * volatile obuf;
 882    bool_t volatile hadsig = FAL0, isrelax = FAL0;
 883    NYD_ENTER;
 884    {/* C89.. */
 885    enum sendaction const action = ((dopipe && ok_blook(piperaw))
 886          ? SEND_MBOX : dodecode
 887          ? SEND_SHOW : doign
 888          ? SEND_TODISP : SEND_TODISP_ALL);
 889    bool_t const volatile formfeed = (dopipe && ok_blook(page));
 890    obuf = stdout;
 891
 892    if (sigsetjmp(_cmd1_pipestop, 1)) {
 893       hadsig = TRU1;
 894       goto jclose_pipe;
 895    }
 896
 897    if (dopipe) {
 898       if ((cp = ok_vlook(SHELL)) == NULL)
 899          cp = XSHELL;
 900       if ((obuf = Popen(cmd, "w", cp, NULL, 1)) == NULL) {
 901          n_perr(cmd, 0);
 902          obuf = stdout;
 903       } else
 904          safe_signal(SIGPIPE, &_cmd1_brokpipe);
 905    } else if ((options & OPT_TTYOUT) &&
 906          (dopage || (cp = ok_vlook(crt)) != NULL)) {
 907       char const *pager = NULL;
 908       size_t nlines = 0;
 909
 910       if (!dopage) {
 911          for (ip = msgvec; *ip && PTRCMP(ip - msgvec, <, msgCount); ++ip) {
 912             mp = message + *ip - 1;
 913             if (!(mp->m_have & HAVE_BODY))
 914                if (get_body(mp) != OKAY) {
 915                   rv = 1;
 916                   goto jleave;
 917                }
 918             nlines += mp->m_lines + 1; /* Message info XXX and PARTS... */
 919          }
 920       }
 921
 922       /* >= not <: we return to the prompt */
 923       if (dopage || UICMP(z, nlines, >=,
 924             (*cp != '\0' ? atoi(cp) : realscreenheight))) {
 925          char const *env_add[2];
 926          pager = get_pager(env_add + 0);
 927          env_add[1] = NULL;
 928          obuf = Popen(pager, "w", NULL, env_add, 1);
 929          if (obuf == NULL) {
 930             n_perr(pager, 0);
 931             obuf = stdout;
 932             pager = NULL;
 933          } else
 934             safe_signal(SIGPIPE, &_cmd1_brokpipe);
 935       }
 936 #ifdef HAVE_COLOUR
 937       if (action != SEND_MBOX)
 938          colour_table_create(pager != NULL); /* (salloc()s!) */
 939 #endif
 940    }
 941 #ifdef HAVE_COLOUR
 942    else if ((options & OPT_TTYOUT) && action != SEND_MBOX)
 943       colour_table_create(FAL0); /* (salloc()s!) */
 944 #endif
 945
 946    /*TODO unless we have our signal manager special care must be taken */
 947    srelax_hold();
 948    isrelax = TRU1;
 949    for (ip = msgvec; *ip && PTRCMP(ip - msgvec, <, msgCount); ++ip) {
 950       mp = message + *ip - 1;
 951       touch(mp);
 952       setdot(mp);
 953       uncollapse1(mp, 1);
 954       if (!dopipe && ip != msgvec)
 955          fprintf(obuf, "\n");
 956       if (action != SEND_MBOX)
 957          _show_msg_overview(obuf, mp, *ip);
 958       sendmp(mp, obuf, (doign ? ignore : NULL), NULL, action, mstats);
 959       srelax();
 960       if (formfeed) /* TODO a nicer way to separate piped messages! */
 961          putc('\f', obuf);
 962       if (tstats != NULL)
 963          tstats[0] += mstats[0];
 964    }
 965    srelax_rele();
 966    isrelax = FAL0;
 967
 968 jclose_pipe:
 969    if (obuf != stdout) {
 970       /* Ignore SIGPIPE so it can't cause a duplicate close */
 971       safe_signal(SIGPIPE, SIG_IGN);
 972       if (hadsig && isrelax)
 973          srelax_rele();
 974       colour_reset(obuf); /* XXX hacky; only here because we still jump */
 975       Pclose(obuf, TRU1);
 976       safe_signal(SIGPIPE, dflpipe);
 977    }
 978    rv = 0;
 979    }
 980 jleave:
 981    NYD_LEAVE;
 982    return rv;
 983 }
 984
 985 static int
 986 _pipe1(char *str, int doign)
 987 {
 988    ui64_t stats[1];
 989    char *cmd;
 990    int *msgvec, rv = 1;
 991    bool_t needs_list;
 992    NYD_ENTER;
 993
 994    if ((cmd = laststring(str, &needs_list, TRU1)) == NULL) {
 995       cmd = ok_vlook(cmd);
 996       if (cmd == NULL || *cmd == '\0') {
 997          n_err(_("Variable *cmd* not set\n"));
 998          goto jleave;
 999       }
1000    }
1001
1002    msgvec = salloc((msgCount + 2) * sizeof *msgvec);
1003
1004    if (!needs_list) {
1005       *msgvec = first(0, MMNORM);
1006       if (*msgvec == 0) {
1007          if (pstate & PS_HOOK_MASK) {
1008             rv = 0;
1009             goto jleave;
1010          }
1011          puts(_("No messages to pipe."));
1012          goto jleave;
1013       }
1014       msgvec[1] = 0;
1015    } else if (getmsglist(str, msgvec, 0) < 0)
1016       goto jleave;
1017    if (*msgvec == 0) {
1018       if (pstate & PS_HOOK_MASK) {
1019          rv = 0;
1020          goto jleave;
1021       }
1022       printf("No applicable messages.\n");
1023       goto jleave;
1024    }
1025
1026    printf(_("Pipe to: \"%s\"\n"), cmd);
1027    stats[0] = 0;
1028    if ((rv = _type1(msgvec, doign, FAL0, TRU1, FAL0, cmd, stats)) == 0)
1029       printf("\"%s\" %" PRIu64 " bytes\n", cmd, stats[0]);
1030 jleave:
1031    NYD_LEAVE;
1032    return rv;
1033 }
1034
1035 FL int
1036 c_cmdnotsupp(void *v) /* TODO -> lex.c */
1037 {
1038    NYD_ENTER;
1039    UNUSED(v);
1040    n_err(_("The requested feature is not compiled in\n"));
1041    NYD_LEAVE;
1042    return 1;
1043 }
1044
1045 FL int
1046 c_headers(void *v)
1047 {
1048    int rv;
1049    NYD_ENTER;
1050
1051    rv = print_header_group((int*)v);
1052    NYD_LEAVE;
1053    return rv;
1054 }
1055
1056 FL int
1057 print_header_group(int *vector)
1058 {
1059    int rv;
1060    NYD_ENTER;
1061
1062    assert(vector != NULL && vector != (void*)-1);
1063    rv = _headers(vector[0]);
1064    NYD_LEAVE;
1065    return rv;
1066 }
1067
1068 FL int
1069 c_scroll(void *v)
1070 {
1071    int rv;
1072    NYD_ENTER;
1073
1074    rv = _scroll1(v, 0);
1075    NYD_LEAVE;
1076    return rv;
1077 }
1078
1079 FL int
1080 c_Scroll(void *v)
1081 {
1082    int rv;
1083    NYD_ENTER;
1084
1085    rv = _scroll1(v, 1);
1086    NYD_LEAVE;
1087    return rv;
1088 }
1089
1090 FL int
1091 c_from(void *v)
1092 {
1093    int *msgvec = v, *ip, n;
1094    char *cp;
1095    FILE * volatile obuf;
1096    NYD_ENTER;
1097
1098    time_current_update(&time_current, FAL0);
1099    obuf = stdout;
1100
1101    /* TODO unfixable memory leaks still */
1102    if (IS_TTY_SESSION() && (cp = ok_vlook(crt)) != NULL) {
1103       for (n = 0, ip = msgvec; *ip != 0; ++ip)
1104          n++;
1105       if (n > (*cp == '\0' ? screensize() : atoi(cp)) + 3) {
1106          char const *p;
1107          if (sigsetjmp(_cmd1_pipejmp, 1))
1108             goto jendpipe;
1109          p = get_pager(NULL);
1110          if ((obuf = Popen(p, "w", NULL, NULL, 1)) == NULL) {
1111             n_perr(p, 0);
1112             obuf = stdout;
1113             cp = NULL;
1114          } else
1115             safe_signal(SIGPIPE, &_cmd1_onpipe);
1116       }
1117    }
1118
1119    srelax_hold();
1120    for (n = 0, ip = msgvec; *ip != 0; ++ip) { /* TODO join into _print_head() */
1121       _print_head((size_t)n++, (size_t)*ip, obuf, mb.mb_threaded);
1122       srelax();
1123    }
1124    srelax_rele();
1125
1126    if (--ip >= msgvec)
1127       setdot(message + *ip - 1);
1128
1129 jendpipe:
1130    if (obuf != stdout) {
1131       safe_signal(SIGPIPE, SIG_IGN);
1132       Pclose(obuf, TRU1);
1133       safe_signal(SIGPIPE, dflpipe);
1134    }
1135    NYD_LEAVE;
1136    return 0;
1137 }
1138
1139 FL void
1140 print_headers(size_t bottom, size_t topx, bool_t only_marked)
1141 {
1142    size_t printed;
1143    NYD_ENTER;
1144
1145 #ifdef HAVE_IMAP
1146    if (mb.mb_type == MB_IMAP)
1147       imap_getheaders(bottom, topx);
1148 #endif
1149    time_current_update(&time_current, FAL0);
1150
1151    srelax_hold();
1152    for (printed = 0; bottom <= topx; ++bottom) {
1153       struct message *mp = message + bottom - 1;
1154       if (only_marked) {
1155          if (!(mp->m_flag & MMARK))
1156             continue;
1157       } else if (!visible(mp))
1158          continue;
1159       _print_head(printed++, bottom, stdout, FAL0);
1160       srelax();
1161    }
1162    srelax_rele();
1163    NYD_LEAVE;
1164 }
1165
1166 FL int
1167 c_pdot(void *v)
1168 {
1169    NYD_ENTER;
1170    UNUSED(v);
1171    printf("%d\n", (int)PTR2SIZE(dot - message + 1));
1172    NYD_LEAVE;
1173    return 0;
1174 }
1175
1176 FL int
1177 c_more(void *v)
1178 {
1179    int *msgvec = v, rv;
1180    NYD_ENTER;
1181
1182    rv = _type1(msgvec, TRU1, TRU1, FAL0, FAL0, NULL, NULL);
1183    NYD_LEAVE;
1184    return rv;
1185 }
1186
1187 FL int
1188 c_More(void *v)
1189 {
1190    int *msgvec = v, rv;
1191    NYD_ENTER;
1192
1193    rv = _type1(msgvec, FAL0, TRU1, FAL0, FAL0, NULL, NULL);
1194    NYD_LEAVE;
1195    return rv;
1196 }
1197
1198 FL int
1199 c_type(void *v)
1200 {
1201    int *msgvec = v, rv;
1202    NYD_ENTER;
1203
1204    rv = _type1(msgvec, TRU1, FAL0, FAL0, FAL0, NULL, NULL);
1205    NYD_LEAVE;
1206    return rv;
1207 }
1208
1209 FL int
1210 c_Type(void *v)
1211 {
1212    int *msgvec = v, rv;
1213    NYD_ENTER;
1214
1215    rv = _type1(msgvec, FAL0, FAL0, FAL0, FAL0, NULL, NULL);
1216    NYD_LEAVE;
1217    return rv;
1218 }
1219
1220 FL int
1221 c_show(void *v)
1222 {
1223    int *msgvec = v, rv;
1224    NYD_ENTER;
1225
1226    rv = _type1(msgvec, FAL0, FAL0, FAL0, TRU1, NULL, NULL);
1227    NYD_LEAVE;
1228    return rv;
1229 }
1230
1231 FL int
1232 c_pipe(void *v)
1233 {
1234    char *str = v;
1235    int rv;
1236    NYD_ENTER;
1237
1238    rv = _pipe1(str, 1);
1239    NYD_LEAVE;
1240    return rv;
1241 }
1242
1243 FL int
1244 c_Pipe(void *v)
1245 {
1246    char *str = v;
1247    int rv;
1248    NYD_ENTER;
1249
1250    rv = _pipe1(str, 0);
1251    NYD_LEAVE;
1252    return rv;
1253 }
1254
1255 FL int
1256 c_top(void *v)
1257 {
1258    int *msgvec = v, *ip, c, topl, lines, empty_last;
1259    struct message *mp;
1260    char *cp, *linebuf = NULL;
1261    size_t linesize = 0;
1262    FILE *ibuf;
1263    NYD_ENTER;
1264
1265    topl = 5;
1266    cp = ok_vlook(toplines);
1267    if (cp != NULL) {
1268       topl = atoi(cp);
1269       if (topl < 0 || topl > 10000)
1270          topl = 5;
1271    }
1272
1273 #ifdef HAVE_COLOUR
1274    if (options & OPT_TTYOUT)
1275       colour_table_create(FAL0); /* (salloc()s) */
1276 #endif
1277    empty_last = 1;
1278    for (ip = msgvec; *ip != 0 && UICMP(z, PTR2SIZE(ip - msgvec), <, msgCount);
1279          ++ip) {
1280       mp = message + *ip - 1;
1281       touch(mp);
1282       setdot(mp);
1283       pstate |= PS_DID_PRINT_DOT;
1284       if (!empty_last)
1285          printf("\n");
1286       _show_msg_overview(stdout, mp, *ip);
1287       if (mp->m_flag & MNOFROM)
1288          /* XXX c_top(): coloured output? */
1289          printf("From %s %s\n", fakefrom(mp), fakedate(mp->m_time));
1290       if ((ibuf = setinput(&mb, mp, NEED_BODY)) == NULL) {  /* XXX could use TOP */
1291          v = NULL;
1292          break;
1293       }
1294       c = mp->m_lines;
1295       for (lines = 0; lines < c && UICMP(32, lines, <=, topl); ++lines) {
1296          if (readline_restart(ibuf, &linebuf, &linesize, 0) < 0)
1297             break;
1298          puts(linebuf);
1299
1300          for (cp = linebuf; *cp != '\0' && blankchar(*cp); ++cp)
1301             ;
1302          empty_last = (*cp == '\0');
1303       }
1304    }
1305
1306    if (linebuf != NULL)
1307       free(linebuf);
1308    NYD_LEAVE;
1309    return (v != NULL);
1310 }
1311
1312 FL int
1313 c_stouch(void *v)
1314 {
1315    int *msgvec = v, *ip;
1316    NYD_ENTER;
1317
1318    for (ip = msgvec; *ip != 0; ++ip) {
1319       setdot(message + *ip - 1);
1320       dot->m_flag |= MTOUCH;
1321       dot->m_flag &= ~MPRESERVE;
1322       pstate |= PS_DID_PRINT_DOT;
1323    }
1324    NYD_LEAVE;
1325    return 0;
1326 }
1327
1328 FL int
1329 c_mboxit(void *v)
1330 {
1331    int *msgvec = v, *ip;
1332    NYD_ENTER;
1333
1334    for (ip = msgvec; *ip != 0; ++ip) {
1335       setdot(message + *ip - 1);
1336       dot->m_flag |= MTOUCH | MBOX;
1337       dot->m_flag &= ~MPRESERVE;
1338       pstate |= PS_DID_PRINT_DOT;
1339    }
1340    NYD_LEAVE;
1341    return 0;
1342 }
1343
1344 FL int
1345 c_folders(void *v)
1346 {
1347    char dirname[PATH_MAX], *name, **argv = v;
1348    char const *cmd;
1349    int rv = 1;
1350    NYD_ENTER;
1351
1352    if (*argv) {
1353       name = expand(*argv);
1354       if (name == NULL)
1355          goto jleave;
1356    } else if (!getfold(dirname, sizeof dirname)) {
1357       n_err(_("No value set for \"folder\"\n"));
1358       goto jleave;
1359    } else
1360       name = dirname;
1361
1362    if (which_protocol(name) == PROTO_IMAP) {
1363 #ifdef HAVE_IMAP
1364       imap_folders(name, *argv == NULL);
1365 #else
1366       rv = c_cmdnotsupp(NULL);
1367 #endif
1368    } else {
1369       if ((cmd = ok_vlook(LISTER)) == NULL)
1370          cmd = XLISTER;
1371       run_command(cmd, 0, -1, -1, name, NULL, NULL);
1372    }
1373 jleave:
1374    NYD_LEAVE;
1375    return rv;
1376 }
1377
1378 /* s-it-mode */