binutils/arsup.c

   1 /* arsup.c - Archive support for MRI compatibility
   2    Copyright 1992, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
   3    2004, 2007 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Binutils.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22
  23 /* Contributed by Steve Chamberlain
  24    sac@cygnus.com
  25
  26    This file looks after requests from arparse.y, to provide the MRI
  27    style librarian command syntax + 1 word LIST.  */
  28
  29 #include "sysdep.h"
  30 #include "bfd.h"
  31 #include "libiberty.h"
  32 #include "filenames.h"
  33 #include "bucomm.h"
  34 #include "arsup.h"
  35
  36 static void map_over_list
  37   (bfd *, void (*function) (bfd *, bfd *), struct list *);
  38 static void ar_directory_doer (bfd *, bfd *);
  39 static void ar_addlib_doer (bfd *, bfd *);
  40
  41 extern int verbose;
  42
  43 static bfd *obfd;
  44 static char *real_name;
  45 static FILE *outfile;
  46
  47 static void
  48 map_over_list (bfd *arch, void (*function) (bfd *, bfd *), struct list *list)
  49 {
  50   bfd *head;
  51
  52   if (list == NULL)
  53     {
  54       bfd *next;
  55
  56       head = arch->archive_next;
  57       while (head != NULL)
  58         {
  59           next = head->archive_next;
  60           function (head, (bfd *) NULL);
  61           head = next;
  62         }
  63     }
  64   else
  65     {
  66       struct list *ptr;
  67
  68       /* This may appear to be a baroque way of accomplishing what we
  69          want.  however we have to iterate over the filenames in order
  70          to notice where a filename is requested but does not exist in
  71          the archive.  Ditto mapping over each file each time -- we
  72          want to hack multiple references.  */
  73       for (ptr = list; ptr; ptr = ptr->next)
  74         {
  75           bfd_boolean found = FALSE;
  76           bfd *prev = arch;
  77
  78           for (head = arch->archive_next; head; head = head->archive_next)
  79             {
  80               if (head->filename != NULL
  81                   && FILENAME_CMP (ptr->name, head->filename) == 0)
  82                 {
  83                   found = TRUE;
  84                   function (head, prev);
  85                 }
  86               prev = head;
  87             }
  88           if (! found)
  89             fprintf (stderr, _("No entry %s in archive.\n"), ptr->name);
  90         }
  91     }
  92 }
  93
  94
  95
  96 static void
  97 ar_directory_doer (bfd *abfd, bfd *ignore ATTRIBUTE_UNUSED)
  98 {
  99   print_arelt_descr(outfile, abfd, verbose);
 100 }
 101
 102 void
 103 ar_directory (char *ar_name, struct list *list, char *output)
 104 {
 105   bfd *arch;
 106
 107   arch = open_inarch (ar_name, (char *) NULL);
 108   if (output)
 109     {
 110       outfile = fopen(output,"w");
 111       if (outfile == 0)
 112         {
 113           outfile = stdout;
 114           fprintf (stderr,_("Can't open file %s\n"), output);
 115           output = 0;
 116         }
 117     }
 118   else
 119     outfile = stdout;
 120
 121   map_over_list (arch, ar_directory_doer, list);
 122
 123   bfd_close (arch);
 124
 125   if (output)
 126    fclose (outfile);
 127 }
 128
 129 void
 130 prompt (void)
 131 {
 132   extern int interactive;
 133
 134   if (interactive)
 135     {
 136       printf ("AR >");
 137       fflush (stdout);
 138     }
 139 }
 140
 141 void
 142 maybequit (void)
 143 {
 144   if (! interactive)
 145     xexit (9);
 146 }
 147
 148
 149 void
 150 ar_open (char *name, int t)
 151 {
 152   char *tname = (char *) xmalloc (strlen (name) + 10);
 153   const char *bname = lbasename (name);
 154   real_name = name;
 155
 156   /* Prepend tmp- to the beginning, to avoid file-name clashes after
 157      truncation on filesystems with limited namespaces (DOS).  */
 158   sprintf (tname, "%.*stmp-%s", (int) (bname - name), name, bname);
 159   obfd = bfd_openw (tname, NULL);
 160
 161   if (!obfd)
 162     {
 163       fprintf (stderr,
 164                _("%s: Can't open output archive %s\n"),
 165                program_name,  tname);
 166
 167       maybequit ();
 168     }
 169   else
 170     {
 171       if (!t)
 172         {
 173           bfd **ptr;
 174           bfd *element;
 175           bfd *ibfd;
 176
 177           ibfd = bfd_openr (name, NULL);
 178
 179           if (!ibfd)
 180             {
 181               fprintf (stderr,_("%s: Can't open input archive %s\n"),
 182                        program_name, name);
 183               maybequit ();
 184               return;
 185             }
 186
 187           if (!bfd_check_format(ibfd, bfd_archive))
 188             {
 189               fprintf (stderr,
 190                        _("%s: file %s is not an archive\n"),
 191                        program_name, name);
 192               maybequit ();
 193               return;
 194             }
 195
 196           ptr = &(obfd->archive_head);
 197           element = bfd_openr_next_archived_file (ibfd, NULL);
 198
 199           while (element)
 200             {
 201               *ptr = element;
 202               ptr = &element->archive_next;
 203               element = bfd_openr_next_archived_file (ibfd, element);
 204             }
 205         }
 206
 207       bfd_set_format (obfd, bfd_archive);
 208
 209       obfd->has_armap = 1;
 210     }
 211 }
 212
 213 static void
 214 ar_addlib_doer (bfd *abfd, bfd *prev)
 215 {
 216   /* Add this module to the output bfd.  */
 217   if (prev != NULL)
 218     prev->archive_next = abfd->archive_next;
 219
 220   abfd->archive_next = obfd->archive_head;
 221   obfd->archive_head = abfd;
 222 }
 223
 224 void
 225 ar_addlib (char *name, struct list *list)
 226 {
 227   if (obfd == NULL)
 228     {
 229       fprintf (stderr, _("%s: no output archive specified yet\n"), program_name);
 230       maybequit ();
 231     }
 232   else
 233     {
 234       bfd *arch;
 235
 236       arch = open_inarch (name, (char *) NULL);
 237       if (arch != NULL)
 238         map_over_list (arch, ar_addlib_doer, list);
 239
 240       /* Don't close the bfd, since it will make the elements disappear.  */
 241     }
 242 }
 243
 244 void
 245 ar_addmod (struct list *list)
 246 {
 247   if (!obfd)
 248     {
 249       fprintf (stderr, _("%s: no open output archive\n"), program_name);
 250       maybequit ();
 251     }
 252   else
 253     {
 254       while (list)
 255         {
 256           bfd *abfd = bfd_openr (list->name, NULL);
 257
 258           if (!abfd)
 259             {
 260               fprintf (stderr, _("%s: can't open file %s\n"),
 261                        program_name, list->name);
 262               maybequit ();
 263             }
 264           else
 265             {
 266               abfd->archive_next = obfd->archive_head;
 267               obfd->archive_head = abfd;
 268             }
 269           list = list->next;
 270         }
 271     }
 272 }
 273
 274
 275 void
 276 ar_clear (void)
 277 {
 278   if (obfd)
 279     obfd->archive_head = 0;
 280 }
 281
 282 void
 283 ar_delete (struct list *list)
 284 {
 285   if (!obfd)
 286     {
 287       fprintf (stderr, _("%s: no open output archive\n"), program_name);
 288       maybequit ();
 289     }
 290   else
 291     {
 292       while (list)
 293         {
 294           /* Find this name in the archive.  */
 295           bfd *member = obfd->archive_head;
 296           bfd **prev = &(obfd->archive_head);
 297           int found = 0;
 298
 299           while (member)
 300             {
 301               if (FILENAME_CMP(member->filename, list->name) == 0)
 302                 {
 303                   *prev = member->archive_next;
 304                   found = 1;
 305                 }
 306               else
 307                 prev = &(member->archive_next);
 308
 309               member = member->archive_next;
 310             }
 311
 312           if (!found)
 313             {
 314               fprintf (stderr, _("%s: can't find module file %s\n"),
 315                        program_name, list->name);
 316               maybequit ();
 317             }
 318
 319           list = list->next;
 320         }
 321     }
 322 }
 323
 324 void
 325 ar_save (void)
 326 {
 327   if (!obfd)
 328     {
 329       fprintf (stderr, _("%s: no open output archive\n"), program_name);
 330       maybequit ();
 331     }
 332   else
 333     {
 334       char *ofilename = xstrdup (bfd_get_filename (obfd));
 335
 336       bfd_close (obfd);
 337
 338       smart_rename (ofilename, real_name, 0);
 339       obfd = 0;
 340       free (ofilename);
 341     }
 342 }
 343
 344 void
 345 ar_replace (struct list *list)
 346 {
 347   if (!obfd)
 348     {
 349       fprintf (stderr, _("%s: no open output archive\n"), program_name);
 350       maybequit ();
 351     }
 352   else
 353     {
 354       while (list)
 355         {
 356           /* Find this name in the archive.  */
 357           bfd *member = obfd->archive_head;
 358           bfd **prev = &(obfd->archive_head);
 359           int found = 0;
 360
 361           while (member)
 362             {
 363               if (FILENAME_CMP (member->filename, list->name) == 0)
 364                 {
 365                   /* Found the one to replace.  */
 366                   bfd *abfd = bfd_openr (list->name, 0);
 367
 368                   if (!abfd)
 369                     {
 370                       fprintf (stderr, _("%s: can't open file %s\n"),
 371                                program_name, list->name);
 372                       maybequit ();
 373                     }
 374                   else
 375                     {
 376                       *prev = abfd;
 377                       abfd->archive_next = member->archive_next;
 378                       found = 1;
 379                     }
 380                 }
 381               else
 382                 {
 383                   prev = &(member->archive_next);
 384                 }
 385               member = member->archive_next;
 386             }
 387
 388           if (!found)
 389             {
 390               bfd *abfd = bfd_openr (list->name, 0);
 391
 392               fprintf (stderr,_("%s: can't find module file %s\n"),
 393                        program_name, list->name);
 394               if (!abfd)
 395                 {
 396                   fprintf (stderr, _("%s: can't open file %s\n"),
 397                            program_name, list->name);
 398                   maybequit ();
 399                 }
 400               else
 401                 *prev = abfd;
 402             }
 403
 404           list = list->next;
 405         }
 406     }
 407 }
 408
 409 /* And I added this one.  */
 410 void
 411 ar_list (void)
 412 {
 413   if (!obfd)
 414     {
 415       fprintf (stderr, _("%s: no open output archive\n"), program_name);
 416       maybequit ();
 417     }
 418   else
 419     {
 420       bfd *abfd;
 421
 422       outfile = stdout;
 423       verbose =1 ;
 424       printf (_("Current open archive is %s\n"), bfd_get_filename (obfd));
 425
 426       for (abfd = obfd->archive_head;
 427            abfd != (bfd *)NULL;
 428            abfd = abfd->archive_next)
 429         ar_directory_doer (abfd, (bfd *) NULL);
 430     }
 431 }
 432
 433 void
 434 ar_end (void)
 435 {
 436   if (obfd)
 437     {
 438       bfd_cache_close (obfd);
 439       unlink (bfd_get_filename (obfd));
 440     }
 441 }
 442
 443 void
 444 ar_extract (struct list *list)
 445 {
 446   if (!obfd)
 447     {
 448       fprintf (stderr, _("%s: no open archive\n"), program_name);
 449       maybequit ();
 450     }
 451   else
 452     {
 453       while (list)
 454         {
 455           /* Find this name in the archive.  */
 456           bfd *member = obfd->archive_head;
 457           int found = 0;
 458
 459           while (member && !found)
 460             {
 461               if (FILENAME_CMP (member->filename, list->name) == 0)
 462                 {
 463                   extract_file (member);
 464                   found = 1;
 465                 }
 466
 467               member = member->archive_next;
 468             }
 469
 470           if (!found)
 471             {
 472               bfd_openr (list->name, 0);
 473               fprintf (stderr, _("%s: can't find module file %s\n"),
 474                        program_name, list->name);
 475             }
 476
 477           list = list->next;
 478         }
 479     }
 480 }