lib/vfs/parse_ls_vga.c

   1 /*
   2    Routines for parsing output from the `ls' command.
   3
   4    Copyright (C) 1988, 1992, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   5    2005, 2006, 2007, 2011
   6    The Free Software Foundation, Inc.
   7
   8    Copyright (C) 1995, 1996 Miguel de Icaza
   9
  10    Written by:
  11    Miguel de Icaza, 1995, 1996
  12    Slava Zanko <slavazanko@gmail.com>, 2011
  13
  14    This file is part of the Midnight Commander.
  15
  16    The Midnight Commander is free software: you can redistribute it
  17    and/or modify it under the terms of the GNU General Public License as
  18    published by the Free Software Foundation, either version 3 of the License,
  19    or (at your option) any later version.
  20
  21    The Midnight Commander is distributed in the hope that it will be useful,
  22    but WITHOUT ANY WARRANTY; without even the implied warranty of
  23    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24    GNU General Public License for more details.
  25
  26    You should have received a copy of the GNU General Public License
  27    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28  */
  29
  30 /**
  31  * \file
  32  * \brief Source: Utilities for VFS modules
  33  * \author Miguel de Icaza
  34  * \date 1995, 1996
  35  */
  36
  37 #include <config.h>
  38
  39 #include <ctype.h>
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42
  43 #include "lib/global.h"
  44 #include "lib/unixcompat.h"     /* makedev */
  45 #include "lib/widget.h"         /* message() */
  46
  47 #include "utilvfs.h"
  48
  49 /*** global variables ****************************************************************************/
  50
  51 /*** file scope macro definitions ****************************************************************/
  52
  53 /* Parsing code is used by ftpfs, fish and extfs */
  54 #define MAXCOLS         30
  55
  56 /*** file scope type declarations ****************************************************************/
  57
  58 /*** file scope variables ************************************************************************/
  59
  60 static char *columns[MAXCOLS];  /* Points to the string in column n */
  61 static int column_ptr[MAXCOLS]; /* Index from 0 to the starting positions of the columns */
  62 static size_t vfs_parce_ls_final_num_spaces = 0;
  63
  64 /*** file scope functions ************************************************************************/
  65 /* --------------------------------------------------------------------------------------------- */
  66
  67 static int
  68 is_num (int idx)
  69 {
  70     char *column = columns[idx];
  71
  72     if (!column || column[0] < '0' || column[0] > '9')
  73         return 0;
  74
  75     return 1;
  76 }
  77
  78 /* --------------------------------------------------------------------------------------------- */
  79 /* Return 1 for MM-DD-YY and MM-DD-YYYY */
  80
  81 static int
  82 is_dos_date (const char *str)
  83 {
  84     int len;
  85
  86     if (!str)
  87         return 0;
  88
  89     len = strlen (str);
  90     if (len != 8 && len != 10)
  91         return 0;
  92
  93     if (str[2] != str[5])
  94         return 0;
  95
  96     if (!strchr ("\\-/", (int) str[2]))
  97         return 0;
  98
  99     return 1;
 100 }
 101
 102 /* --------------------------------------------------------------------------------------------- */
 103
 104 static int
 105 is_week (const char *str, struct tm *tim)
 106 {
 107     static const char *week = "SunMonTueWedThuFriSat";
 108     const char *pos;
 109
 110     if (!str)
 111         return 0;
 112
 113     pos = strstr (week, str);
 114     if (pos != NULL)
 115     {
 116         if (tim != NULL)
 117             tim->tm_wday = (pos - week) / 3;
 118         return 1;
 119     }
 120     return 0;
 121 }
 122
 123 /* --------------------------------------------------------------------------------------------- */
 124
 125 static int
 126 is_month (const char *str, struct tm *tim)
 127 {
 128     static const char *month = "JanFebMarAprMayJunJulAugSepOctNovDec";
 129     const char *pos;
 130
 131     if (!str)
 132         return 0;
 133
 134     pos = strstr (month, str);
 135     if (pos != NULL)
 136     {
 137         if (tim != NULL)
 138             tim->tm_mon = (pos - month) / 3;
 139         return 1;
 140     }
 141     return 0;
 142 }
 143
 144 /* --------------------------------------------------------------------------------------------- */
 145 /**
 146  * Check for possible locale's abbreviated month name (Jan..Dec).
 147  * Any 3 bytes long string without digit, control and punctuation characters.
 148  * isalpha() is locale specific, so it cannot be used if current
 149  * locale is "C" and ftp server use Cyrillic.
 150  * NB: It is assumed there are no whitespaces in month.
 151  */
 152 static int
 153 is_localized_month (const char *month)
 154 {
 155     int i = 0;
 156
 157     if (!month)
 158         return 0;
 159
 160     while ((i < 3) && *month && !isdigit ((unsigned char) *month)
 161            && !iscntrl ((unsigned char) *month) && !ispunct ((unsigned char) *month))
 162     {
 163         i++;
 164         month++;
 165     }
 166     return ((i == 3) && (*month == 0));
 167 }
 168
 169 /* --------------------------------------------------------------------------------------------- */
 170
 171 static int
 172 is_time (const char *str, struct tm *tim)
 173 {
 174     const char *p, *p2;
 175
 176     if (str == NULL)
 177         return 0;
 178
 179     p = strchr (str, ':');
 180     p2 = strrchr (str, ':');
 181     if (p != NULL && p2 != NULL)
 182     {
 183         if (p != p2)
 184         {
 185             if (sscanf (str, "%2d:%2d:%2d", &tim->tm_hour, &tim->tm_min, &tim->tm_sec) != 3)
 186                 return 0;
 187         }
 188         else
 189         {
 190             if (sscanf (str, "%2d:%2d", &tim->tm_hour, &tim->tm_min) != 2)
 191                 return 0;
 192         }
 193     }
 194     else
 195         return 0;
 196
 197     return 1;
 198 }
 199
 200 /* --------------------------------------------------------------------------------------------- */
 201
 202 static int
 203 is_year (char *str, struct tm *tim)
 204 {
 205     long year;
 206
 207     if (!str)
 208         return 0;
 209
 210     if (strchr (str, ':'))
 211         return 0;
 212
 213     if (strlen (str) != 4)
 214         return 0;
 215
 216     if (sscanf (str, "%ld", &year) != 1)
 217         return 0;
 218
 219     if (year < 1900 || year > 3000)
 220         return 0;
 221
 222     tim->tm_year = (int) (year - 1900);
 223
 224     return 1;
 225 }
 226
 227 /* --------------------------------------------------------------------------------------------- */
 228 /*** public functions ****************************************************************************/
 229 /* --------------------------------------------------------------------------------------------- */
 230
 231 gboolean
 232 vfs_parse_filetype (const char *s, size_t * ret_skipped, mode_t * ret_type)
 233 {
 234     mode_t type;
 235
 236     switch (*s)
 237     {
 238     case 'd':
 239         type = S_IFDIR;
 240         break;
 241     case 'b':
 242         type = S_IFBLK;
 243         break;
 244     case 'c':
 245         type = S_IFCHR;
 246         break;
 247     case 'l':
 248         type = S_IFLNK;
 249         break;
 250 #ifdef S_IFSOCK
 251     case 's':
 252         type = S_IFSOCK;
 253         break;
 254 #else
 255     case 's':
 256         type = S_IFIFO;
 257         break;
 258 #endif
 259 #ifdef S_IFDOOR                 /* Solaris door */
 260     case 'D':
 261         type = S_IFDOOR;
 262         break;
 263 #else
 264     case 'D':
 265         type = S_IFIFO;
 266         break;
 267 #endif
 268     case 'p':
 269         type = S_IFIFO;
 270         break;
 271 #ifdef S_IFNAM                  /* Special named files */
 272     case 'n':
 273         type = S_IFNAM;
 274         break;
 275 #else
 276     case 'n':
 277         type = S_IFREG;
 278         break;
 279 #endif
 280     case 'm':                  /* Don't know what these are :-) */
 281     case '-':
 282     case '?':
 283         type = S_IFREG;
 284         break;
 285     default:
 286         return FALSE;
 287     }
 288
 289     *ret_type = type;
 290     *ret_skipped = 1;
 291     return TRUE;
 292 }
 293
 294 /* --------------------------------------------------------------------------------------------- */
 295
 296 gboolean
 297 vfs_parse_fileperms (const char *s, size_t * ret_skipped, mode_t * ret_perms)
 298 {
 299     const char *p;
 300     mode_t perms;
 301
 302     p = s;
 303     perms = 0;
 304
 305     switch (*p++)
 306     {
 307     case '-':
 308         break;
 309     case 'r':
 310         perms |= S_IRUSR;
 311         break;
 312     default:
 313         return FALSE;
 314     }
 315     switch (*p++)
 316     {
 317     case '-':
 318         break;
 319     case 'w':
 320         perms |= S_IWUSR;
 321         break;
 322     default:
 323         return FALSE;
 324     }
 325     switch (*p++)
 326     {
 327     case '-':
 328         break;
 329     case 'S':
 330         perms |= S_ISUID;
 331         break;
 332     case 's':
 333         perms |= S_IXUSR | S_ISUID;
 334         break;
 335     case 'x':
 336         perms |= S_IXUSR;
 337         break;
 338     default:
 339         return FALSE;
 340     }
 341     switch (*p++)
 342     {
 343     case '-':
 344         break;
 345     case 'r':
 346         perms |= S_IRGRP;
 347         break;
 348     default:
 349         return FALSE;
 350     }
 351     switch (*p++)
 352     {
 353     case '-':
 354         break;
 355     case 'w':
 356         perms |= S_IWGRP;
 357         break;
 358     default:
 359         return FALSE;
 360     }
 361     switch (*p++)
 362     {
 363     case '-':
 364         break;
 365     case 'S':
 366         perms |= S_ISGID;
 367         break;
 368     case 'l':
 369         perms |= S_ISGID;
 370         break;                  /* found on Solaris */
 371     case 's':
 372         perms |= S_IXGRP | S_ISGID;
 373         break;
 374     case 'x':
 375         perms |= S_IXGRP;
 376         break;
 377     default:
 378         return FALSE;
 379     }
 380     switch (*p++)
 381     {
 382     case '-':
 383         break;
 384     case 'r':
 385         perms |= S_IROTH;
 386         break;
 387     default:
 388         return FALSE;
 389     }
 390     switch (*p++)
 391     {
 392     case '-':
 393         break;
 394     case 'w':
 395         perms |= S_IWOTH;
 396         break;
 397     default:
 398         return FALSE;
 399     }
 400     switch (*p++)
 401     {
 402     case '-':
 403         break;
 404     case 'T':
 405         perms |= S_ISVTX;
 406         break;
 407     case 't':
 408         perms |= S_IXOTH | S_ISVTX;
 409         break;
 410     case 'x':
 411         perms |= S_IXOTH;
 412         break;
 413     default:
 414         return FALSE;
 415     }
 416     if (*p == '+')
 417     {                           /* ACLs on Solaris, HP-UX and others */
 418         p++;
 419     }
 420
 421     *ret_skipped = p - s;
 422     *ret_perms = perms;
 423     return TRUE;
 424 }
 425
 426 /* --------------------------------------------------------------------------------------------- */
 427
 428 gboolean
 429 vfs_parse_filemode (const char *s, size_t * ret_skipped, mode_t * ret_mode)
 430 {
 431     const char *p;
 432     mode_t type, perms;
 433     size_t skipped;
 434
 435     p = s;
 436
 437     if (!vfs_parse_filetype (p, &skipped, &type))
 438         return FALSE;
 439     p += skipped;
 440
 441     if (!vfs_parse_fileperms (p, &skipped, &perms))
 442         return FALSE;
 443     p += skipped;
 444
 445     *ret_skipped = p - s;
 446     *ret_mode = type | perms;
 447     return TRUE;
 448 }
 449
 450 /* --------------------------------------------------------------------------------------------- */
 451
 452 gboolean
 453 vfs_parse_raw_filemode (const char *s, size_t * ret_skipped, mode_t * ret_mode)
 454 {
 455     const char *p;
 456     mode_t remote_type = 0, local_type, perms = 0;
 457
 458     p = s;
 459
 460     /* isoctal */
 461     while (*p >= '0' && *p <= '7')
 462     {
 463         perms *= 010;
 464         perms += (*p - '0');
 465         ++p;
 466     }
 467
 468     if (*p++ != ' ')
 469         return FALSE;
 470
 471     while (*p >= '0' && *p <= '7')
 472     {
 473         remote_type *= 010;
 474         remote_type += (*p - '0');
 475         ++p;
 476     }
 477
 478     if (*p++ != ' ')
 479         return FALSE;
 480
 481     /* generated with:
 482        $ perl -e 'use Fcntl ":mode";
 483        my @modes = (S_IFDIR, S_IFBLK, S_IFCHR, S_IFLNK, S_IFREG);
 484        foreach $t (@modes) { printf ("%o\n", $t); };'
 485        TODO: S_IFDOOR, S_IFIFO, S_IFSOCK (if supported by os)
 486        (see vfs_parse_filetype)
 487      */
 488
 489     switch (remote_type)
 490     {
 491     case 020000:
 492         local_type = S_IFCHR;
 493         break;
 494     case 040000:
 495         local_type = S_IFDIR;
 496         break;
 497     case 060000:
 498         local_type = S_IFBLK;
 499         break;
 500     case 0120000:
 501         local_type = S_IFLNK;
 502         break;
 503     case 0100000:
 504     default:                   /* don't know what is it */
 505         local_type = S_IFREG;
 506         break;
 507     }
 508
 509     *ret_skipped = p - s;
 510     *ret_mode = local_type | perms;
 511     return TRUE;
 512 }
 513
 514 /* --------------------------------------------------------------------------------------------- */
 515 /** This function parses from idx in the columns[] array */
 516
 517 int
 518 vfs_parse_filedate (int idx, time_t * t)
 519 {
 520     char *p;
 521     struct tm tim;
 522     int d[3];
 523     int got_year = 0;
 524     int l10n = 0;               /* Locale's abbreviated month name */
 525     time_t current_time;
 526     struct tm *local_time;
 527
 528     /* Let's setup default time values */
 529     current_time = time (NULL);
 530     local_time = localtime (&current_time);
 531     tim.tm_mday = local_time->tm_mday;
 532     tim.tm_mon = local_time->tm_mon;
 533     tim.tm_year = local_time->tm_year;
 534
 535     tim.tm_hour = 0;
 536     tim.tm_min = 0;
 537     tim.tm_sec = 0;
 538     tim.tm_isdst = -1;          /* Let mktime() try to guess correct dst offset */
 539
 540     p = columns[idx++];
 541
 542     /* We eat weekday name in case of extfs */
 543     if (is_week (p, &tim))
 544         p = columns[idx++];
 545
 546     /* Month name */
 547     if (is_month (p, &tim))
 548     {
 549         /* And we expect, it followed by day number */
 550         if (is_num (idx))
 551             tim.tm_mday = (int) atol (columns[idx++]);
 552         else
 553             return 0;           /* No day */
 554
 555     }
 556     else
 557     {
 558         /* We expect:
 559            3 fields max or we'll see oddities with certain file names.
 560            So both year and time is not allowed.
 561            Mon DD hh:mm[:ss]
 562            Mon DD YYYY
 563            But in case of extfs we allow these date formats:
 564            MM-DD-YY hh:mm[:ss]
 565            where Mon is Jan-Dec, DD, MM, YY two digit day, month, year,
 566            YYYY four digit year, hh, mm, ss two digit hour, minute or second. */
 567
 568         /* Special case with MM-DD-YY or MM-DD-YYYY */
 569         if (is_dos_date (p))
 570         {
 571             p[2] = p[5] = '-';
 572
 573             if (sscanf (p, "%2d-%2d-%d", &d[0], &d[1], &d[2]) == 3)
 574             {
 575                 /* Months are zero based */
 576                 if (d[0] > 0)
 577                     d[0]--;
 578
 579                 if (d[2] > 1900)
 580                 {
 581                     d[2] -= 1900;
 582                 }
 583                 else
 584                 {
 585                     /* Y2K madness */
 586                     if (d[2] < 70)
 587                         d[2] += 100;
 588                 }
 589
 590                 tim.tm_mon = d[0];
 591                 tim.tm_mday = d[1];
 592                 tim.tm_year = d[2];
 593                 got_year = 1;
 594             }
 595             else
 596                 return 0;       /* sscanf failed */
 597         }
 598         else
 599         {
 600             /* Locale's abbreviated month name followed by day number */
 601             if (is_localized_month (p) && (is_num (idx++)))
 602                 l10n = 1;
 603             else
 604                 return 0;       /* unsupported format */
 605         }
 606     }
 607
 608     /* Here we expect to find time or year */
 609     if (is_num (idx) && (is_time (columns[idx], &tim) || (got_year = is_year (columns[idx], &tim))))
 610         idx++;
 611     else
 612         return 0;               /* Neither time nor date */
 613
 614     /*
 615      * If the date is less than 6 months in the past, it is shown without year
 616      * other dates in the past or future are shown with year but without time
 617      * This does not check for years before 1900 ... I don't know, how
 618      * to represent them at all
 619      */
 620     if (!got_year && local_time->tm_mon < 6
 621         && local_time->tm_mon < tim.tm_mon && tim.tm_mon - local_time->tm_mon >= 6)
 622
 623         tim.tm_year--;
 624
 625     *t = mktime (&tim);
 626     if (l10n || (*t < 0))
 627         *t = 0;
 628     return idx;
 629 }
 630
 631 /* --------------------------------------------------------------------------------------------- */
 632
 633 int
 634 vfs_split_text (char *p)
 635 {
 636     char *original = p;
 637     int numcols;
 638
 639     memset (columns, 0, sizeof (columns));
 640
 641     for (numcols = 0; *p && numcols < MAXCOLS; numcols++)
 642     {
 643         while (*p == ' ' || *p == '\r' || *p == '\n')
 644         {
 645             *p = 0;
 646             p++;
 647         }
 648         columns[numcols] = p;
 649         column_ptr[numcols] = p - original;
 650         while (*p && *p != ' ' && *p != '\r' && *p != '\n')
 651             p++;
 652     }
 653     return numcols;
 654 }
 655
 656 /* --------------------------------------------------------------------------------------------- */
 657
 658 void
 659 vfs_parse_ls_lga_init (void)
 660 {
 661     vfs_parce_ls_final_num_spaces = 1;
 662 }
 663
 664 /* --------------------------------------------------------------------------------------------- */
 665
 666 size_t
 667 vfs_parse_ls_lga_get_final_spaces (void)
 668 {
 669     return vfs_parce_ls_final_num_spaces;
 670 }
 671
 672 /* --------------------------------------------------------------------------------------------- */
 673
 674 gboolean
 675 vfs_parse_ls_lga (const char *p, struct stat * s, char **filename, char **linkname,
 676                   size_t * num_spaces)
 677 {
 678     int idx, idx2, num_cols;
 679     int i;
 680     char *p_copy = NULL;
 681     char *t = NULL;
 682     const char *line = p;
 683     size_t skipped;
 684
 685     if (strncmp (p, "total", 5) == 0)
 686         return FALSE;
 687
 688     if (!vfs_parse_filetype (p, &skipped, &s->st_mode))
 689         goto error;
 690     p += skipped;
 691
 692     if (*p == ' ')              /* Notwell 4 */
 693         p++;
 694     if (*p == '[')
 695     {
 696         if (strlen (p) <= 8 || p[8] != ']')
 697             goto error;
 698         /* Should parse here the Notwell permissions :) */
 699         if (S_ISDIR (s->st_mode))
 700             s->st_mode |= (S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR | S_IXUSR | S_IXGRP | S_IXOTH);
 701         else
 702             s->st_mode |= (S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR);
 703         p += 9;
 704     }
 705     else
 706     {
 707         size_t lc_skipped;
 708         mode_t perms;
 709
 710         if (!vfs_parse_fileperms (p, &lc_skipped, &perms))
 711             goto error;
 712         p += lc_skipped;
 713         s->st_mode |= perms;
 714     }
 715
 716     p_copy = g_strdup (p);
 717     num_cols = vfs_split_text (p_copy);
 718
 719     s->st_nlink = atol (columns[0]);
 720     if (s->st_nlink <= 0)
 721         goto error;
 722
 723     if (!is_num (1))
 724         s->st_uid = vfs_finduid (columns[1]);
 725     else
 726         s->st_uid = (uid_t) atol (columns[1]);
 727
 728     /* Mhm, the ls -lg did not produce a group field */
 729     for (idx = 3; idx <= 5; idx++)
 730         if (is_month (columns[idx], NULL) || is_week (columns[idx], NULL)
 731             || is_dos_date (columns[idx]) || is_localized_month (columns[idx]))
 732             break;
 733
 734     if (idx == 6 || (idx == 5 && !S_ISCHR (s->st_mode) && !S_ISBLK (s->st_mode)))
 735         goto error;
 736
 737     /* We don't have gid */
 738     if (idx == 3 || (idx == 4 && (S_ISCHR (s->st_mode) || S_ISBLK (s->st_mode))))
 739         idx2 = 2;
 740     else
 741     {
 742         /* We have gid field */
 743         if (is_num (2))
 744             s->st_gid = (gid_t) atol (columns[2]);
 745         else
 746             s->st_gid = vfs_findgid (columns[2]);
 747         idx2 = 3;
 748     }
 749
 750     /* This is device */
 751     if (S_ISCHR (s->st_mode) || S_ISBLK (s->st_mode))
 752     {
 753         int maj, min;
 754
 755         /* Corner case: there is no whitespace(s) between maj & min */
 756         if (!is_num (idx2) && idx2 == 2)
 757         {
 758             if (!is_num (++idx2) || sscanf (columns[idx2], " %d,%d", &maj, &min) != 2)
 759                 goto error;
 760         }
 761         else
 762         {
 763             if (!is_num (idx2) || sscanf (columns[idx2], " %d,", &maj) != 1)
 764                 goto error;
 765
 766             if (!is_num (++idx2) || sscanf (columns[idx2], " %d", &min) != 1)
 767                 goto error;
 768         }
 769 #ifdef HAVE_STRUCT_STAT_ST_RDEV
 770         s->st_rdev = makedev (maj, min);
 771 #endif
 772         s->st_size = 0;
 773
 774     }
 775     else
 776     {
 777         /* Common file size */
 778         if (!is_num (idx2))
 779             goto error;
 780
 781         s->st_size = (off_t) g_ascii_strtoll (columns[idx2], NULL, 10);
 782 #ifdef HAVE_STRUCT_STAT_ST_RDEV
 783         s->st_rdev = 0;
 784 #endif
 785     }
 786
 787     idx = vfs_parse_filedate (idx, &s->st_mtime);
 788     if (!idx)
 789         goto error;
 790     /* Use resulting time value */
 791     s->st_atime = s->st_ctime = s->st_mtime;
 792     /* s->st_dev and s->st_ino must be initialized by vfs_s_new_inode () */
 793 #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
 794     s->st_blksize = 512;
 795 #endif
 796 #ifdef HAVE_STRUCT_STAT_ST_BLOCKS
 797     s->st_blocks = (s->st_size + 511) / 512;
 798 #endif
 799
 800     if (num_spaces != NULL)
 801     {
 802         *num_spaces = column_ptr[idx] - column_ptr[idx - 1] - strlen (columns[idx - 1]);
 803         if (strcmp (columns[idx], "..") == 0)
 804             vfs_parce_ls_final_num_spaces = *num_spaces;
 805     }
 806
 807     for (i = idx + 1, idx2 = 0; i < num_cols; i++)
 808         if (strcmp (columns[i], "->") == 0)
 809         {
 810             idx2 = i;
 811             break;
 812         }
 813
 814     if (((S_ISLNK (s->st_mode) || (num_cols == idx + 3 && s->st_nlink > 1)))    /* Maybe a hardlink? (in extfs) */
 815         && idx2)
 816     {
 817
 818         if (filename)
 819         {
 820             *filename = g_strndup (p + column_ptr[idx], column_ptr[idx2] - column_ptr[idx] - 1);
 821         }
 822         if (linkname)
 823         {
 824             t = g_strdup (p + column_ptr[idx2 + 1]);
 825             *linkname = t;
 826         }
 827     }
 828     else
 829     {
 830         /* Extract the filename from the string copy, not from the columns
 831          * this way we have a chance of entering hidden directories like ". ."
 832          */
 833         if (filename)
 834         {
 835             /*
 836              * filename = g_strdup (columns [idx++]);
 837              */
 838
 839             t = g_strdup (p + column_ptr[idx]);
 840             *filename = t;
 841         }
 842         if (linkname)
 843             *linkname = NULL;
 844     }
 845
 846     if (t)
 847     {
 848         int p2 = strlen (t);
 849         if ((--p2 > 0) && (t[p2] == '\r' || t[p2] == '\n'))
 850             t[p2] = 0;
 851         if ((--p2 > 0) && (t[p2] == '\r' || t[p2] == '\n'))
 852             t[p2] = 0;
 853     }
 854
 855     g_free (p_copy);
 856     return TRUE;
 857
 858   error:
 859     {
 860         static int errorcount = 0;
 861
 862         if (++errorcount < 5)
 863         {
 864             message (D_ERROR, _("Cannot parse:"), "%s", (p_copy && *p_copy) ? p_copy : line);
 865         }
 866         else if (errorcount == 5)
 867             message (D_ERROR, MSG_ERROR, _("More parsing errors will be ignored."));
 868     }
 869
 870     g_free (p_copy);
 871     return FALSE;
 872 }
 873
 874 /* --------------------------------------------------------------------------------------------- */