diplodocus.org Git - nmh/blob - uip/fmttest.c

   1
   2 /*
   3  * fmttest.c -- A program to help test and debug format instructions
   4  *
   5  * This code is Copyright (c) 2012, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <h/fmt_scan.h>
  12 #include <h/fmt_compile.h>
  13 #include <h/utils.h>
  14 #include <h/scansbr.h>
  15 #include <h/addrsbr.h>
  16
  17 #define FMTTEST_SWITCHES \
  18     X("form formatfile", 0, FORMSW) \
  19     X("format string", 5, FMTSW) \
  20     X("address", 0, ADDRSW) \
  21     X("raw", 0, RAWSW) \
  22     X("date", 0, DATESW) \
  23     X("message", 0, MESSAGESW) \
  24     X("file", 0, FILESW) \
  25     X("nofile", 0, NFILESW) \
  26     X("-component-name component-text", 0, OTHERSW) \
  27     X("dupaddrs", 0, DUPADDRSW) \
  28     X("nodupaddrs", 0, NDUPADDRSW) \
  29     X("ccme", 0, CCMESW) \
  30     X("noccme", 0, NCCMESW) \
  31     X("outsize size-in-characters", 0, OUTSIZESW) \
  32     X("bufsize size-in-bytes", 0, BUFSZSW) \
  33     X("width column-width", 0, WIDTHSW) \
  34     X("msgnum number", 0, MSGNUMSW) \
  35     X("msgcur flag", 0, MSGCURSW) \
  36     X("msgsize size", 0, MSGSIZESW) \
  37     X("unseen flag", 0, UNSEENSW) \
  38     X("dump", 0, DUMPSW) \
  39     X("nodump", 0, NDUMPSW) \
  40     X("trace", 0, TRACESW) \
  41     X("notrace", 0, NTRACESW) \
  42     X("version", 0, VERSIONSW) \
  43     X("help", 0, HELPSW) \
  44
  45 #define X(sw, minchars, id) id,
  46 DEFINE_SWITCH_ENUM(FMTTEST);
  47 #undef X
  48
  49 #define X(sw, minchars, id) { sw, minchars, id },
  50 DEFINE_SWITCH_ARRAY(FMTTEST, switches);
  51 #undef X
  52
  53 /*
  54  * An array containing labels used for branch instructions
  55  */
  56
  57 static struct format **lvec = NULL;
  58 static int lused = 0;
  59 static int lallocated = 0;
  60
  61 enum mode_t { MESSAGE, ADDRESS, DATE, RAW };
  62 #define DEFADDRFORMAT "%<{error}%{error}: %{text}%|%(putstr(proper{text}))%>"
  63 #define DEFDATEFORMAT "%<(nodate{text})error: %{text}%|%(putstr(pretty{text}))%>"
  64
  65 /*
  66  * Context structure used by the tracing routines
  67  */
  68
  69 struct trace_context {
  70     int num;
  71     char *str;
  72     char *outbuf;
  73 };
  74
  75 /*
  76  * static prototypes
  77  */
  78 static void fmt_dump (char *, struct format *);
  79 static void dumpone(struct format *);
  80 static void initlabels(struct format *);
  81 static int findlabel(struct format *);
  82 static void assignlabel(struct format *);
  83 static char *f_typestr(int);
  84 static char *c_typestr(int);
  85 static char *c_flagsstr(int);
  86 static void litputs(char *);
  87 static void litputc(char);
  88 static void process_addresses(struct format *, struct msgs_array *, char *,
  89                               int, int, int *, struct fmt_callbacks *);
  90 static void process_raw(struct format *, struct msgs_array *, char *,
  91                         int, int, int *, struct fmt_callbacks *);
  92 static void process_messages(struct format *, struct msgs_array *,
  93                              struct msgs_array *, char *, char *, int,
  94                              int, int, int *, struct fmt_callbacks *);
  95 static void process_single_file(FILE *, struct msgs_array *, int *, int,
  96                                 struct format *, char *, int, int,
  97                                 struct fmt_callbacks *);
  98 static void test_trace(void *, struct format *, int, char *, char *);
  99 static char *test_formataddr(char *, char *);
 100 static char *test_concataddr(char *, char *);
 101 static int insert(struct mailname *);
 102 static void mlistfree(void);
 103
 104 static int nodupcheck = 0;      /* If set, no check for duplicates */
 105 static int ccme = 0;            /* Should I cc myself? */
 106 static struct mailname mq;      /* Mail addresses to check for duplicates */
 107 static char *dummy = "dummy";
 108
 109 int
 110 main (int argc, char **argv)
 111 {
 112     char *cp, *form = NULL, *format = NULL, *defformat = FORMAT, *folder = NULL;
 113     char buf[BUFSIZ], *nfs, **argp, **arguments, *buffer;
 114     struct format *fmt;
 115     struct comp *cptr;
 116     struct msgs_array msgs = { 0, 0, NULL }, compargs = { 0, 0, NULL};
 117     int dump = 0, i;
 118     int outputsize = 0, bufsize = 0, dupaddrs = 1, trace = 0, files = 0;
 119     int colwidth = -1, msgnum = -1, msgcur = -1, msgsize = -1, msgunseen = -1;
 120     enum mode_t mode = MESSAGE;
 121     int dat[5];
 122     struct fmt_callbacks cb, *cbp = NULL;
 123
 124     if (nmh_init(argv[0], 1)) { return 1; }
 125
 126     arguments = getarguments (invo_name, argc, argv, 1);
 127     argp = arguments;
 128
 129     while ((cp = *argp++)) {
 130         if (*cp == '-') {
 131             /*
 132              * A -- means that we have a component name (like pick);
 133              * save the component name and the next argument for the text.
 134              */
 135             if (*++cp == '-') {
 136                 if (*++cp == '\0')
 137                     adios(NULL, "missing component name after --");
 138                 app_msgarg(&compargs, cp);
 139                 /* Grab next argument for component text */
 140                 if (!(cp = *argp++))
 141                     adios(NULL, "missing argument to %s", argp[-2]);
 142                 app_msgarg(&compargs, cp);
 143                 continue;
 144             }
 145             switch (smatch (cp, switches)) {
 146                 case AMBIGSW:
 147                     ambigsw (cp, switches);
 148                     done (1);
 149                 case UNKWNSW:
 150                     adios (NULL, "-%s unknown", cp);
 151
 152                 case HELPSW:
 153                     snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
 154                     print_help (buf, switches, 1);
 155                     done (0);
 156                 case VERSIONSW:
 157                     print_version(invo_name);
 158                     done (0);
 159                 case OTHERSW:
 160                     adios(NULL, "internal argument error!");
 161                     continue;
 162
 163                 case OUTSIZESW:
 164                     if (!(cp = *argp++) || *cp == '-')
 165                         adios(NULL, "missing argument to %s", argp[-2]);
 166                     if (strcmp(cp, "max") == 0)
 167                         outputsize = -1;
 168                     else if (strcmp(cp, "width") == 0)
 169                         outputsize = sc_width();
 170                     else
 171                         outputsize = atoi(cp);
 172                     continue;
 173                 case BUFSZSW:
 174                     if (!(cp = *argp++) || *cp == '-')
 175                         adios(NULL, "missing argument to %s", argp[-2]);
 176                     bufsize = atoi(cp);
 177                     continue;
 178
 179                 case FORMSW:
 180                     if (!(form = *argp++) || *form == '-')
 181                         adios (NULL, "missing argument to %s", argp[-2]);
 182                     format = NULL;
 183                     continue;
 184                 case FMTSW:
 185                     if (!(format = *argp++) || *format == '-')
 186                         adios (NULL, "missing argument to %s", argp[-2]);
 187                     form = NULL;
 188                     continue;
 189
 190                 case TRACESW:
 191                     trace++;
 192                     continue;
 193                 case NTRACESW:
 194                     trace = 0;
 195                     continue;
 196
 197                 case ADDRSW:
 198                     mode = ADDRESS;
 199                     defformat = DEFADDRFORMAT;
 200                     continue;
 201                 case RAWSW:
 202                     mode = RAW;
 203                     continue;
 204                 case MESSAGESW:
 205                     mode = MESSAGE;
 206                     defformat = FORMAT;
 207                     dupaddrs = 0;
 208                     continue;
 209                 case DATESW:
 210                     mode = DATE;
 211                     defformat = DEFDATEFORMAT;
 212                     continue;
 213
 214                 case FILESW:
 215                     files++;
 216                     continue;
 217                 case NFILESW:
 218                     files = 0;
 219                     continue;
 220
 221                 case DUPADDRSW:
 222                     dupaddrs++;
 223                     continue;
 224                 case NDUPADDRSW:
 225                     dupaddrs = 0;
 226                     continue;
 227
 228                 case CCMESW:
 229                     ccme++;
 230                     continue;
 231                 case NCCMESW:
 232                     ccme = 0;
 233                     continue;
 234
 235                 case WIDTHSW:
 236                     if (!(cp = *argp++) || *cp == '-')
 237                         adios(NULL, "missing argument to %s", argp[-2]);
 238                     colwidth = atoi(cp);
 239                     continue;
 240                 case MSGNUMSW:
 241                     if (!(cp = *argp++) || *cp == '-')
 242                         adios(NULL, "missing argument to %s", argp[-2]);
 243                     msgnum = atoi(cp);
 244                     continue;
 245                 case MSGCURSW:
 246                     if (!(cp = *argp++) || *cp == '-')
 247                         adios(NULL, "missing argument to %s", argp[-2]);
 248                     msgcur = atoi(cp);
 249                     continue;
 250                 case MSGSIZESW:
 251                     if (!(cp = *argp++) || *cp == '-')
 252                         adios(NULL, "missing argument to %s", argp[-2]);
 253                     msgsize = atoi(cp);
 254                     continue;
 255                 case UNSEENSW:
 256                     if (!(cp = *argp++) || *cp == '-')
 257                         adios(NULL, "missing argument to %s", argp[-2]);
 258                     msgunseen = atoi(cp);
 259                     continue;
 260
 261                 case DUMPSW:
 262                     dump++;
 263                     continue;
 264                 case NDUMPSW:
 265                     dump = 0;
 266                     continue;
 267
 268             }
 269         }
 270
 271         /*
 272          * Only interpret as a folder if we're in message mode
 273          */
 274
 275         if (mode == MESSAGE && !files && (*cp == '+' || *cp == '@')) {
 276             if (folder)
 277                 adios (NULL, "only one folder at a time!");
 278             else
 279                 folder = pluspath (cp);
 280         } else
 281             app_msgarg(&msgs, cp);
 282     }
 283
 284     /*
 285      * Here's our weird heuristic:
 286      *
 287      * - We allow -dump without any other arguments.
 288      * - If you've given any component arguments, we don't require any
 289      *   other arguments.
 290      * - The arguments are interpreted as folders/messages _if_ we're in
 291      *   message mode, otherwise pass as strings in the text component.
 292      */
 293
 294    if (!dump && compargs.size == 0 && msgs.size == 0) {
 295         adios (NULL, "usage: [switches] [+folder] msgs | strings...",
 296                invo_name);
 297    }
 298
 299    /*
 300     * If you're picking "raw" as a mode, then you have to select
 301     * a format.
 302     */
 303
 304    if (mode == RAW && form == NULL && format == NULL) {
 305         adios (NULL, "You must specify a format with -form or -format when "
 306                "using -raw");
 307    }
 308
 309     /*
 310      * Get new format string.  Must be before chdir().
 311      */
 312     nfs = new_fs (form, format, defformat);
 313     (void) fmt_compile(nfs, &fmt, 1);
 314
 315     if (dump || trace) {
 316         initlabels(fmt);
 317         if (dump) {
 318             fmt_dump(nfs, fmt);
 319             if (compargs.size == 0 && msgs.size == 0)
 320                 done(0);
 321         }
 322     }
 323
 324     /*
 325      * If we don't specify a buffer size, allocate a default one.
 326      */
 327
 328     if (bufsize == 0)
 329         bufsize = BUFSIZ;
 330
 331     buffer = mh_xmalloc(bufsize);
 332
 333     if (outputsize < 0)
 334         outputsize = bufsize - 1;       /* For the trailing NUL */
 335     else if (outputsize == 0) {
 336         if (mode == MESSAGE)
 337             outputsize = sc_width();
 338         else
 339             outputsize = bufsize - 1;
 340     }
 341
 342     dat[0] = msgnum;
 343     dat[1] = msgcur;
 344     dat[2] = msgsize;
 345     dat[3] = colwidth == -1 ? outputsize : colwidth;
 346     dat[4] = msgunseen;
 347
 348     /*
 349      * If we want to provide our own formataddr, concactaddr, or tracing
 350      * callback, do that now.  Also, prime ismymbox if we use it.
 351      */
 352
 353     if (dupaddrs == 0 || trace) {
 354         memset(&cb, 0, sizeof(cb));
 355         cbp = &cb;
 356
 357         if (dupaddrs == 0) {
 358             cb.formataddr = test_formataddr;
 359             cb.concataddr = test_concataddr;
 360             if (!ccme)
 361                 ismymbox(NULL);
 362         }
 363
 364         if (trace) {
 365             struct trace_context *ctx;
 366
 367             ctx = mh_xmalloc(sizeof(*ctx));
 368             ctx->num = -1;
 369             ctx->str = dummy;
 370             ctx->outbuf = getcpy(NULL);
 371
 372             cb.trace_func = test_trace;
 373             cb.trace_context = ctx;
 374         }
 375     }
 376
 377     if (mode == MESSAGE) {
 378         process_messages(fmt, &compargs, &msgs, buffer, folder, bufsize,
 379                          outputsize, files, dat, cbp);
 380     } else {
 381         if (compargs.size) {
 382             for (i = 0; i < compargs.size; i += 2) {
 383                 cptr = fmt_findcomp(compargs.msgs[i]);
 384                 if (cptr)
 385                     cptr->c_text = getcpy(compargs.msgs[i + 1]);
 386             }
 387         }
 388
 389         if (mode == ADDRESS) {
 390             process_addresses(fmt, &msgs, buffer, bufsize, outputsize,
 391                               dat, cbp);
 392         } else /* Fall-through for RAW or DATE */
 393             process_raw(fmt, &msgs, buffer, bufsize, outputsize, dat, cbp);
 394     }
 395
 396     fmt_free(fmt, 1);
 397
 398     done(0);
 399     return 1;
 400 }
 401
 402 /*
 403  * Process each address with fmt_scan().
 404  */
 405
 406 struct pqpair {
 407     char *pq_text;
 408     char *pq_error;
 409     struct pqpair *pq_next;
 410 };
 411
 412 static void
 413 process_addresses(struct format *fmt, struct msgs_array *addrs, char *buffer,
 414                   int bufsize, int outwidth, int *dat, struct fmt_callbacks *cb)
 415 {
 416     int i;
 417     char *cp, error[BUFSIZ];
 418     struct mailname *mp;
 419     struct pqpair *p, *q;
 420     struct pqpair pq;
 421     struct comp *c;
 422
 423     if (dat[0] == -1)
 424         dat[0] = 0;
 425     if (dat[1] == -1)
 426         dat[1] = 0;
 427     if (dat[2] == -1)
 428         dat[2] = 0;
 429     if (dat[4] == -1)
 430         dat[4] = 0;
 431
 432     for (i = 0; i < addrs->size; i++) {
 433         (q = &pq)->pq_next = NULL;
 434         while ((cp = getname(addrs->msgs[i]))) {
 435             if ((p = (struct pqpair *) calloc ((size_t) 1, sizeof(*p))) == NULL)
 436                 adios (NULL, "unable to allocate pqpair memory");
 437             if ((mp = getm(cp, NULL, 0, error, sizeof(error))) == NULL) {
 438                 p->pq_text = getcpy(cp);
 439                 p->pq_error = getcpy(error);
 440             } else {
 441                 p->pq_text = getcpy(mp->m_text);
 442                 mnfree(mp);
 443             }
 444             q = (q->pq_next = p);
 445         }
 446
 447         for (p = pq.pq_next; p; p = q) {
 448             c = fmt_findcomp("text");
 449             if (c) {
 450                 if (c->c_text)
 451                     free(c->c_text);
 452                 c->c_text = p->pq_text;
 453                 p->pq_text = NULL;
 454             }
 455             c = fmt_findcomp("error");
 456             if (c) {
 457                 if (c->c_text)
 458                     free(c->c_text);
 459                 c->c_text = p->pq_error;
 460                 p->pq_error = NULL;
 461             }
 462
 463             fmt_scan(fmt, buffer, bufsize, outwidth, dat, cb);
 464             fputs(buffer, stdout);
 465             mlistfree();
 466
 467             if (p->pq_text)
 468                 free(p->pq_text);
 469             if (p->pq_error)
 470                 free(p->pq_error);
 471             q = p->pq_next;
 472             free(p);
 473         }
 474     }
 475 }
 476
 477 /*
 478  * Process messages and run them through the format engine.  A lot taken
 479  * from scan.c.
 480  */
 481
 482 static void
 483 process_messages(struct format *fmt, struct msgs_array *comps,
 484                  struct msgs_array *msgs, char *buffer, char *folder,
 485                  int bufsize, int outwidth, int files, int *dat,
 486                  struct fmt_callbacks *cb)
 487 {
 488     int i, msgnum, msgsize = dat[2], num = dat[0], cur = dat[1];
 489     int num_unseen_seq = 0;
 490     ivector_t seqnum = ivector_create (0);
 491     char *maildir, *cp;
 492     struct msgs *mp;
 493     FILE *in;
 494
 495     /*
 496      * If 'files' is set, short-circuit everything else and just process
 497      * everything now.
 498      */
 499
 500     if (files) {
 501         for (i = 0; i < msgs->size; i++) {
 502             if ((in = fopen(cp = msgs->msgs[i], "r")) == NULL) {
 503                 admonish(cp, "unable to open file");
 504                 continue;
 505             }
 506             process_single_file(in, comps, dat, msgsize, fmt, buffer,
 507                                 bufsize, outwidth, cb);
 508         }
 509
 510         return;
 511     }
 512
 513     if (! folder)
 514         folder = getfolder(1);
 515
 516     maildir = m_maildir(folder);
 517
 518     if (chdir(maildir) < 0)
 519         adios(maildir, "unable to change directory to");
 520
 521     if (!(mp = folder_read(folder, 1)))
 522         adios(NULL, "unable to read folder %s", folder);
 523
 524     if (mp->nummsg == 0)
 525         adios(NULL, "no messages in %s", folder);
 526
 527     for (i = 0; i < msgs->size; i++)
 528         if (!m_convert(mp, msgs->msgs[i]))
 529             done(1);
 530     seq_setprev(mp);                    /* set the Previous-Sequence */
 531
 532     context_replace(pfolder, folder);   /* update curren folder */
 533     seq_save(mp);                       /* synchronize message sequences */
 534     context_save();                     /* save the context file */
 535
 536     /*
 537      * We want to set the unseen flag if requested, so we have to check
 538      * the unseen sequence as well.
 539      */
 540
 541     if (dat[4] == -1) {
 542         if ((cp = context_find(usequence)) && *cp) {
 543             char **ap, *dp;
 544
 545             dp = getcpy(cp);
 546             ap = brkstring(dp, " ", "\n");
 547             for (i = 0; ap && *ap; i++, ap++)
 548                 ivector_push_back (seqnum, seq_getnum(mp, *ap));
 549
 550             num_unseen_seq = i;
 551             if (dp)
 552                 free(dp);
 553         }
 554     }
 555
 556     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 557         if (is_selected(mp, msgnum)) {
 558             if ((in = fopen(cp = m_name(msgnum), "r")) == NULL) {
 559                 admonish(cp, "unable to open message");
 560                 continue;
 561             }
 562
 563             fmt_freecomptext();
 564
 565             if (num == -1)
 566                 dat[0] = msgnum;
 567
 568             if (cur == -1)
 569                 dat[1] = msgnum == mp->curmsg;
 570
 571             /*
 572              * Check to see if this is in the unseen sequence
 573              */
 574
 575             dat[4] = 0;
 576             for (i = 0; i < num_unseen_seq; i++) {
 577                 if (in_sequence(mp, ivector_at (seqnum, i), msgnum)) {
 578                     dat[4] = 1;
 579                     break;
 580                 }
 581             }
 582
 583             /*
 584              * Read in the message and process the components
 585              */
 586
 587             process_single_file(in, comps, dat, msgsize, fmt, buffer,
 588                                 bufsize, outwidth, cb);
 589         }
 590     }
 591
 592     ivector_free (seqnum);
 593     folder_free(mp);
 594     return;
 595 }
 596
 597 /*
 598  * Process a single file in message mode
 599  */
 600
 601 static void
 602 process_single_file(FILE *in, struct msgs_array *comps, int *dat, int msgsize,
 603                     struct format *fmt, char *buffer, int bufsize,
 604                     int outwidth, struct fmt_callbacks *cb)
 605 {
 606     int i, state;
 607     char name[NAMESZ], rbuf[BUFSIZ];
 608     m_getfld_state_t gstate = 0;
 609     struct comp *c;
 610     int bufsz;
 611
 612     /*
 613      * Get our size if we didn't include one
 614      */
 615
 616     if (msgsize == -1) {
 617         struct stat st;
 618
 619         if (fstat(fileno(in), &st) < 0)
 620             dat[2] = 0;
 621         else
 622             dat[2] = st.st_size;
 623     }
 624
 625     /*
 626      * Initialize everyting else
 627      */
 628
 629     if (dat[0] == -1)
 630         dat[0] = 0;
 631     if (dat[1] == -1)
 632         dat[1] = 0;
 633     if (dat[4] == -1)
 634         dat[4] = 0;
 635
 636     /*
 637      * Read in the message and process the components
 638      */
 639
 640     for (state = FLD;;) {
 641         bufsz = sizeof(rbuf);
 642         state = m_getfld(&gstate, name, rbuf, &bufsz, in);
 643         switch (state) {
 644         case FLD:
 645         case FLDPLUS:
 646             i = fmt_addcomptext(name, rbuf);
 647             if (i != -1) {
 648                 while (state == FLDPLUS) {
 649                     bufsz = sizeof(rbuf);
 650                     state = m_getfld(&gstate, name, rbuf, &bufsz, in);
 651                     fmt_appendcomp(i, name, rbuf);
 652                 }
 653             }
 654
 655             while (state == FLDPLUS) {
 656                 bufsz = sizeof(rbuf);
 657                 state = m_getfld(&gstate, name, rbuf, &bufsz, in);
 658             }
 659             break;
 660
 661         case BODY:
 662             if (fmt_findcomp("body")) {
 663                 if ((i = strlen(rbuf)) < outwidth) {
 664                     bufsz = outwidth - 1;
 665                     state = m_getfld(&gstate, name, rbuf + i,
 666                                      &bufsz, in);
 667                 }
 668
 669                 fmt_addcomptext("body", rbuf);
 670             }
 671             /* fall through */
 672
 673         default:
 674             goto finished;
 675         }
 676     }
 677 finished:
 678     fclose(in);
 679     m_getfld_state_destroy(&gstate);
 680
 681     /*
 682      * Do this now to override any components in the original message
 683      */
 684     if (comps->size) {
 685         for (i = 0; i < comps->size; i += 2) {
 686             c = fmt_findcomp(comps->msgs[i]);
 687             if (c) {
 688                 if (c->c_text)
 689                     free(c->c_text);
 690                 c->c_text = getcpy(comps->msgs[i + 1]);
 691             }
 692         }
 693     }
 694     fmt_scan(fmt, buffer, bufsize, outwidth, dat, cb);
 695     fputs(buffer, stdout);
 696     mlistfree();
 697 }
 698
 699 /*
 700  * Run text through the format engine with no special processing
 701  */
 702
 703 static void
 704 process_raw(struct format *fmt, struct msgs_array *text, char *buffer,
 705             int bufsize, int outwidth, int *dat, struct fmt_callbacks *cb)
 706 {
 707     int i;
 708     struct comp *c;
 709
 710     if (dat[0] == -1)
 711         dat[0] = 0;
 712     if (dat[1] == -1)
 713         dat[1] = 0;
 714     if (dat[2] == -1)
 715         dat[2] = 0;
 716     if (dat[4] == -1)
 717         dat[4] = 0;
 718
 719     c = fmt_findcomp("text");
 720
 721     for (i = 0; i < text->size; i++) {
 722         if (c != NULL) {
 723             if (c->c_text != NULL)
 724                 free(c->c_text);
 725             c->c_text = getcpy(text->msgs[i]);
 726         }
 727
 728         fmt_scan(fmt, buffer, bufsize, outwidth, dat, cb);
 729         fputs(buffer, stdout);
 730         mlistfree();
 731     }
 732 }
 733
 734 /*
 735  * Our basic tracing support callback.
 736  *
 737  * Print out each instruction as it's executed, including the values of
 738  * the num and str registers if they've changed.
 739  */
 740
 741 static void
 742 test_trace(void *context, struct format *fmt, int num, char *str, char *outbuf)
 743 {
 744     struct trace_context *ctx = (struct trace_context *) context;
 745     int changed = 0;
 746
 747     dumpone(fmt);
 748
 749     if (num != ctx->num) {
 750         printf("num=%d", num);
 751         ctx->num = num;
 752         changed++;
 753     }
 754
 755     if (str != ctx->str) {
 756         if (changed++)
 757             printf(" ");
 758         printf("str=");
 759         litputs(str);
 760         ctx->str = str;
 761     }
 762
 763     if (changed)
 764         printf("\n");
 765
 766     if (strcmp(outbuf, ctx->outbuf) != 0) {
 767         printf("outbuf=");
 768         litputs(outbuf);
 769         putchar('\n');
 770         free(ctx->outbuf);
 771         ctx->outbuf = getcpy(outbuf);
 772     }
 773 }
 774
 775 static void
 776 fmt_dump (char *nfs, struct format *fmth)
 777 {
 778         struct format *fmt;
 779
 780         printf("Instruction dump of format string: \n%s\n", nfs);
 781
 782         /* Dump them out! */
 783         for (fmt = fmth; fmt; ++fmt) {
 784                 dumpone(fmt);
 785                 if (fmt->f_type == FT_DONE && fmt->f_value == 0)
 786                         break;
 787         }
 788 }
 789
 790 static void
 791 dumpone(struct format *fmt)
 792 {
 793         register int i;
 794
 795         if ((i = findlabel(fmt)) >= 0)
 796                 printf("L%d:", i);
 797         putchar('\t');
 798
 799         fputs(f_typestr((int)fmt->f_type), stdout);
 800
 801         switch (fmt->f_type) {
 802
 803         case FT_COMP:
 804         case FT_LS_COMP:
 805         case FT_LV_COMPFLAG:
 806         case FT_LV_COMP:
 807                 printf(", comp ");
 808                 litputs(fmt->f_comp->c_name);
 809                 if (fmt->f_comp->c_type)
 810                         printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
 811                 if (fmt->f_comp->c_flags)
 812                         printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
 813                 break;
 814
 815         case FT_LV_SEC:
 816         case FT_LV_MIN:
 817         case FT_LV_HOUR:
 818         case FT_LV_MDAY:
 819         case FT_LV_MON:
 820         case FT_LS_MONTH:
 821         case FT_LS_LMONTH:
 822         case FT_LS_ZONE:
 823         case FT_LV_YEAR:
 824         case FT_LV_WDAY:
 825         case FT_LS_DAY:
 826         case FT_LS_WEEKDAY:
 827         case FT_LV_YDAY:
 828         case FT_LV_ZONE:
 829         case FT_LV_CLOCK:
 830         case FT_LV_RCLOCK:
 831         case FT_LV_DAYF:
 832         case FT_LV_ZONEF:
 833         case FT_LV_DST:
 834         case FT_LS_822DATE:
 835         case FT_LS_PRETTY:
 836         case FT_LOCALDATE:
 837         case FT_GMTDATE:
 838         case FT_PARSEDATE:
 839                 printf(", c_name ");
 840                 litputs(fmt->f_comp->c_name);
 841                 if (fmt->f_comp->c_type)
 842                         printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
 843                 if (fmt->f_comp->c_flags)
 844                         printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
 845                 break;
 846
 847         case FT_LS_ADDR:
 848         case FT_LS_PERS:
 849         case FT_LS_MBOX:
 850         case FT_LS_HOST:
 851         case FT_LS_PATH:
 852         case FT_LS_GNAME:
 853         case FT_LS_NOTE:
 854         case FT_LS_822ADDR:
 855         case FT_LV_HOSTTYPE:
 856         case FT_LV_INGRPF:
 857         case FT_LV_NOHOSTF:
 858         case FT_LS_FRIENDLY:
 859         case FT_PARSEADDR:
 860         case FT_MYMBOX:
 861                 printf(", c_name ");
 862                 litputs(fmt->f_comp->c_name);
 863                 if (fmt->f_comp->c_type)
 864                         printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
 865                 if (fmt->f_comp->c_flags)
 866                         printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
 867                 break;
 868
 869         case FT_COMPF:
 870                 printf(", width %d, fill '", fmt->f_width);
 871                 litputc(fmt->f_fill);
 872                 printf("' name ");
 873                 litputs(fmt->f_comp->c_name);
 874                 if (fmt->f_comp->c_type)
 875                         printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
 876                 if (fmt->f_comp->c_flags)
 877                         printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
 878                 break;
 879
 880         case FT_STRF:
 881         case FT_NUMF:
 882                 printf(", width %d, fill '", fmt->f_width);
 883                 litputc(fmt->f_fill);
 884                 putchar('\'');
 885                 break;
 886
 887         case FT_LIT:
 888 #ifdef FT_LIT_FORCE
 889         case FT_LIT_FORCE:
 890 #endif
 891                 putchar(' ');
 892                 litputs(fmt->f_text);
 893                 break;
 894
 895         case FT_LITF:
 896                 printf(", width %d, fill '", fmt->f_width);
 897                 litputc(fmt->f_fill);
 898                 printf("' ");
 899                 litputs(fmt->f_text);
 900                 break;
 901
 902         case FT_CHAR:
 903                 putchar(' ');
 904                 putchar('\'');
 905                 litputc(fmt->f_char);
 906                 putchar('\'');
 907                 break;
 908
 909
 910         case FT_IF_S:
 911         case FT_IF_S_NULL:
 912         case FT_IF_MATCH:
 913         case FT_IF_AMATCH:
 914                 printf(" continue else goto");
 915         case FT_GOTO:
 916                 i = findlabel(fmt + fmt->f_skip);
 917                 printf(" L%d", i);
 918                 break;
 919
 920         case FT_IF_V_EQ:
 921         case FT_IF_V_NE:
 922         case FT_IF_V_GT:
 923                 i = findlabel(fmt + fmt->f_skip);
 924                 printf(" %d continue else goto L%d", fmt->f_value, i);
 925                 break;
 926
 927         case FT_V_EQ:
 928         case FT_V_NE:
 929         case FT_V_GT:
 930         case FT_LV_LIT:
 931         case FT_LV_PLUS_L:
 932         case FT_LV_MINUS_L:
 933         case FT_LV_DIVIDE_L:
 934         case FT_LV_MODULO_L:
 935                 printf(" value %d", fmt->f_value);
 936                 break;
 937
 938         case FT_LS_LIT:
 939                 printf(" str ");
 940                 litputs(fmt->f_text);
 941                 break;
 942
 943         case FT_LS_GETENV:
 944                 printf(" getenv ");
 945                 litputs(fmt->f_text);
 946                 break;
 947
 948         case FT_LS_DECODECOMP:
 949                 printf(", comp ");
 950                 litputs(fmt->f_comp->c_name);
 951                 break;
 952
 953         case FT_LS_DECODE:
 954                 break;
 955
 956         case FT_LS_TRIM:
 957                 printf(", width %d", fmt->f_width);
 958                 break;
 959
 960         case FT_LV_DAT:
 961                 printf(", value dat[%d]", fmt->f_value);
 962                 break;
 963         }
 964         putchar('\n');
 965 }
 966
 967 /*
 968  * Iterate over all instructions and assign labels to the targets of
 969  * branch statements
 970  */
 971
 972 static void
 973 initlabels(struct format *fmth)
 974 {
 975         struct format *fmt, *addr;
 976         int i;
 977
 978         /* Assign labels */
 979         for (fmt = fmth; fmt; ++fmt) {
 980                 i = fmt->f_type;
 981                 if (i == FT_IF_S ||
 982                     i == FT_IF_S_NULL ||
 983                     i == FT_IF_V_EQ ||
 984                     i == FT_IF_V_NE ||
 985                     i == FT_IF_V_GT ||
 986                     i == FT_IF_MATCH ||
 987                     i == FT_IF_AMATCH ||
 988                     i == FT_GOTO) {
 989                         addr = fmt + fmt->f_skip;
 990                         if (findlabel(addr) < 0)
 991                                 assignlabel(addr);
 992                 }
 993                 if (fmt->f_type == FT_DONE && fmt->f_value == 0)
 994                         break;
 995         }
 996 }
 997
 998
 999 static int
1000 findlabel(struct format *addr)
1001 {
1002         register int i;
1003
1004         for (i = 0; i < lused; ++i)
1005                 if (addr == lvec[i])
1006                         return(i);
1007         return(-1);
1008 }
1009
1010 static void
1011 assignlabel(struct format *addr)
1012 {
1013         if (lused >= lallocated) {
1014                 lallocated += 64;
1015                 lvec = (struct format **)
1016                         mh_xrealloc(lvec, sizeof(struct format *) * lallocated);
1017         }
1018
1019         lvec[lused++] = addr;
1020 }
1021
1022 static char *
1023 f_typestr(int t)
1024 {
1025         static char buf[32];
1026
1027         switch (t) {
1028         case FT_COMP: return("COMP");
1029         case FT_COMPF: return("COMPF");
1030         case FT_LIT: return("LIT");
1031         case FT_LITF: return("LITF");
1032 #ifdef  FT_LIT_FORCE
1033         case FT_LIT_FORCE: return("LIT_FORCE");
1034 #endif
1035         case FT_CHAR: return("CHAR");
1036         case FT_NUM: return("NUM");
1037         case FT_NUMF: return("NUMF");
1038         case FT_STR: return("STR");
1039         case FT_STRF: return("STRF");
1040         case FT_STRFW: return("STRFW");
1041         case FT_PUTADDR: return("PUTADDR");
1042         case FT_STRLIT: return("STRLIT");
1043         case FT_STRLITZ: return("STRLITZ");
1044         case FT_LS_COMP: return("LS_COMP");
1045         case FT_LS_LIT: return("LS_LIT");
1046         case FT_LS_GETENV: return("LS_GETENV");
1047         case FT_LS_DECODECOMP: return("LS_DECODECOMP");
1048         case FT_LS_DECODE: return("LS_DECODE");
1049         case FT_LS_TRIM: return("LS_TRIM");
1050         case FT_LV_COMP: return("LV_COMP");
1051         case FT_LV_COMPFLAG: return("LV_COMPFLAG");
1052         case FT_LV_LIT: return("LV_LIT");
1053         case FT_LV_DAT: return("LV_DAT");
1054         case FT_LV_STRLEN: return("LV_STRLEN");
1055         case FT_LV_PLUS_L: return("LV_PLUS_L");
1056         case FT_LV_MINUS_L: return("LV_MINUS_L");
1057         case FT_LV_DIVIDE_L: return("LV_DIVIDE_L");
1058         case FT_LV_MODULO_L: return("LV_MODULO_L");
1059         case FT_LV_CHAR_LEFT: return("LV_CHAR_LEFT");
1060         case FT_LS_MONTH: return("LS_MONTH");
1061         case FT_LS_LMONTH: return("LS_LMONTH");
1062         case FT_LS_ZONE: return("LS_ZONE");
1063         case FT_LS_DAY: return("LS_DAY");
1064         case FT_LS_WEEKDAY: return("LS_WEEKDAY");
1065         case FT_LS_822DATE: return("LS_822DATE");
1066         case FT_LS_PRETTY: return("LS_PRETTY");
1067         case FT_LV_SEC: return("LV_SEC");
1068         case FT_LV_MIN: return("LV_MIN");
1069         case FT_LV_HOUR: return("LV_HOUR");
1070         case FT_LV_MDAY: return("LV_MDAY");
1071         case FT_LV_MON: return("LV_MON");
1072         case FT_LV_YEAR: return("LV_YEAR");
1073         case FT_LV_YDAY: return("LV_YDAY");
1074         case FT_LV_WDAY: return("LV_WDAY");
1075         case FT_LV_ZONE: return("LV_ZONE");
1076         case FT_LV_CLOCK: return("LV_CLOCK");
1077         case FT_LV_RCLOCK: return("LV_RCLOCK");
1078         case FT_LV_DAYF: return("LV_DAYF");
1079         case FT_LV_DST: return("LV_DST");
1080         case FT_LV_ZONEF: return("LV_ZONEF");
1081         case FT_LS_ADDR: return("LS_ADDR");
1082         case FT_LS_PERS: return("LS_PERS");
1083         case FT_LS_MBOX: return("LS_MBOX");
1084         case FT_LS_HOST: return("LS_HOST");
1085         case FT_LS_PATH: return("LS_PATH");
1086         case FT_LS_GNAME: return("LS_GNAME");
1087         case FT_LS_NOTE: return("LS_NOTE");
1088         case FT_LS_822ADDR: return("LS_822ADDR");
1089         case FT_LS_FRIENDLY: return("LS_FRIENDLY");
1090         case FT_LV_HOSTTYPE: return("LV_HOSTTYPE");
1091         case FT_LV_INGRPF: return("LV_INGRPF");
1092         case FT_LS_UNQUOTE: return("LS_UNQUOTE");
1093         case FT_LV_NOHOSTF: return("LV_NOHOSTF");
1094         case FT_LOCALDATE: return("LOCALDATE");
1095         case FT_GMTDATE: return("GMTDATE");
1096         case FT_PARSEDATE: return("PARSEDATE");
1097         case FT_PARSEADDR: return("PARSEADDR");
1098         case FT_FORMATADDR: return("FORMATADDR");
1099         case FT_CONCATADDR: return("CONCATADDR");
1100         case FT_MYMBOX: return("MYMBOX");
1101 #ifdef  FT_ADDTOSEQ
1102         case FT_ADDTOSEQ: return("ADDTOSEQ");
1103 #endif
1104         case FT_SAVESTR: return("SAVESTR");
1105 #ifdef  FT_PAUSE
1106         case FT_PAUSE: return ("PAUSE");
1107 #endif
1108         case FT_DONE: return("DONE");
1109         case FT_NOP: return("NOP");
1110         case FT_GOTO: return("GOTO");
1111         case FT_IF_S_NULL: return("IF_S_NULL");
1112         case FT_IF_S: return("IF_S");
1113         case FT_IF_V_EQ: return("IF_V_EQ");
1114         case FT_IF_V_NE: return("IF_V_NE");
1115         case FT_IF_V_GT: return("IF_V_GT");
1116         case FT_IF_MATCH: return("IF_MATCH");
1117         case FT_IF_AMATCH: return("IF_AMATCH");
1118         case FT_S_NULL: return("S_NULL");
1119         case FT_S_NONNULL: return("S_NONNULL");
1120         case FT_V_EQ: return("V_EQ");
1121         case FT_V_NE: return("V_NE");
1122         case FT_V_GT: return("V_GT");
1123         case FT_V_MATCH: return("V_MATCH");
1124         case FT_V_AMATCH: return("V_AMATCH");
1125         default:
1126                 snprintf(buf, sizeof(buf), "/* ??? #%d */", t);
1127                 return(buf);
1128         }
1129 }
1130
1131 static char *
1132 c_typestr(int t)
1133 {
1134         static char buf[64];
1135
1136         snprintb(buf, sizeof(buf), t, CT_BITS);
1137         return(buf);
1138 }
1139
1140 static char *
1141 c_flagsstr(int t)
1142 {
1143         static char buf[64];
1144
1145         snprintb(buf, sizeof(buf), t, CF_BITS);
1146         return(buf);
1147 }
1148
1149 static void
1150 litputs(char *s)
1151 {
1152         if (s) {
1153                 putc('"', stdout);
1154                 while (*s)
1155                         litputc(*s++);
1156                 putc('"', stdout);
1157         } else
1158                 fputs("<nil>", stdout);
1159 }
1160
1161 static void
1162 litputc(char c)
1163 {
1164         if (c & ~ 0177) {
1165                 printf("\\x%02x", (unsigned char) c);
1166         } else if (c < 0x20 || c == 0177) {
1167                 if (c == '\b') {
1168                         putc('\\', stdout);
1169                         putc('b', stdout);
1170                 } else if (c == '\f') {
1171                         putc('\\', stdout);
1172                         putc('f', stdout);
1173                 } else if (c == '\n') {
1174                         putc('\\', stdout);
1175                         putc('n', stdout);
1176                 } else if (c == '\r') {
1177                         putc('\\', stdout);
1178                         putc('r', stdout);
1179                 } else if (c == '\t') {
1180                         putc('\\', stdout);
1181                         putc('t', stdout);
1182                 } else {
1183                         putc('^', stdout);
1184                         putc(c ^ 0x40, stdout); /* DEL to ?, others to alpha */
1185                 }
1186         } else
1187                 putc(c, stdout);
1188 }
1189
1190 /*
1191  * Routines/code to support the duplicate address suppression code, adapted
1192  * from replsbr.c
1193  */
1194
1195 static char *buf;               /* our current working buffer */
1196 static char *bufend;            /* end of working buffer */
1197 static char *last_dst;          /* buf ptr at end of last call */
1198 static unsigned int bufsiz=0;   /* current size of buf */
1199
1200 #define BUFINCR 512             /* how much to expand buf when if fills */
1201
1202 #define CPY(s) { cp = (s); while ((*dst++ = *cp++)) ; --dst; }
1203
1204 /*
1205  * check if there's enough room in buf for str.
1206  * add more mem if needed
1207  */
1208 #define CHECKMEM(str) \
1209             if ((len = strlen (str)) >= bufend - dst) {\
1210                 int i = dst - buf;\
1211                 int n = last_dst - buf;\
1212                 bufsiz += ((dst + len - bufend) / BUFINCR + 1) * BUFINCR;\
1213                 buf = mh_xrealloc (buf, bufsiz);\
1214                 dst = buf + i;\
1215                 last_dst = buf + n;\
1216                 bufend = buf + bufsiz;\
1217             }
1218
1219
1220 /*
1221  * These are versions of similar routines from replsbr.c; the purpose is
1222  * to suppress duplicate addresses from being added to a list when building
1223  * up addresses for the %(formataddr) format function.  This is used by
1224  * repl to prevent duplicate addresses from being added to the "to" line.
1225  * See replsbr.c for more information.
1226  *
1227  * We can't use the functions in replsbr.c directly because they are slightly
1228  * different and depend on the rest of replsbr.c
1229  */
1230 static char *
1231 test_formataddr (char *orig, char *str)
1232 {
1233     register int len;
1234     char error[BUFSIZ];
1235     register int isgroup;
1236     register char *dst;
1237     register char *cp;
1238     register char *sp;
1239     register struct mailname *mp = NULL;
1240
1241     /* if we don't have a buffer yet, get one */
1242     if (bufsiz == 0) {
1243         buf = mh_xmalloc (BUFINCR);
1244         last_dst = buf;         /* XXX */
1245         bufsiz = BUFINCR - 6;  /* leave some slop */
1246         bufend = buf + bufsiz;
1247     }
1248     /*
1249      * If "orig" points to our buffer we can just pick up where we
1250      * left off.  Otherwise we have to copy orig into our buffer.
1251      */
1252     if (orig == buf)
1253         dst = last_dst;
1254     else if (!orig || !*orig) {
1255         dst = buf;
1256         *dst = '\0';
1257     } else {
1258         dst = last_dst;         /* XXX */
1259         CHECKMEM (orig);
1260         CPY (orig);
1261     }
1262
1263     /* concatenate all the new addresses onto 'buf' */
1264     for (isgroup = 0; (cp = getname (str)); ) {
1265         if ((mp = getm (cp, NULL, 0, error, sizeof(error))) == NULL) {
1266             fprintf(stderr, "bad address \"%s\" -- %s\n", cp, error);
1267             continue;
1268         }
1269         if (isgroup && (mp->m_gname || !mp->m_ingrp)) {
1270             *dst++ = ';';
1271             isgroup = 0;
1272         }
1273         if (insert (mp)) {
1274             /* if we get here we're going to add an address */
1275             if (dst != buf) {
1276                 *dst++ = ',';
1277                 *dst++ = ' ';
1278             }
1279             if (mp->m_gname) {
1280                 CHECKMEM (mp->m_gname);
1281                 CPY (mp->m_gname);
1282                 isgroup++;
1283             }
1284             sp = adrformat (mp);
1285             CHECKMEM (sp);
1286             CPY (sp);
1287         }
1288     }
1289
1290     if (isgroup)
1291         *dst++ = ';';
1292
1293     *dst = '\0';
1294     last_dst = dst;
1295     return (buf);
1296 }
1297
1298
1299 /*
1300  * The companion to test_formataddr(); it behaves the same way, except doesn't
1301  * do duplicate address detection.
1302  */
1303 static char *
1304 test_concataddr(char *orig, char *str)
1305 {
1306     char *cp;
1307
1308     nodupcheck = 1;
1309     cp = test_formataddr(orig, str);
1310     nodupcheck = 0;
1311     return cp;
1312 }
1313
1314 static int
1315 insert (struct mailname *np)
1316 {
1317     struct mailname *mp;
1318
1319     if (nodupcheck)
1320         return 1;
1321
1322     if (np->m_mbox == NULL)
1323         return 0;
1324
1325     for (mp = &mq; mp->m_next; mp = mp->m_next) {
1326         if (!strcasecmp (np->m_host ? np->m_host : "",
1327                          mp->m_next->m_host ? mp->m_next->m_host : "") &&
1328             !strcasecmp (np->m_mbox ? np->m_mbox : "",
1329                          mp->m_next->m_mbox ? mp->m_next->m_mbox : ""))
1330             return 0;
1331     }
1332     if (!ccme && ismymbox (np))
1333         return 0;
1334
1335     mp->m_next = np;
1336
1337     return 1;
1338 }
1339
1340 /*
1341  * Reset our duplicate address list
1342  */
1343
1344 void
1345 mlistfree(void)
1346 {
1347     struct mailname *mp, *mp2;
1348
1349     for (mp = mq.m_next; mp; mp = mp2->m_next) {
1350         mp2 = mp;
1351         mnfree(mp);
1352     }
1353 }