binutils/arsup.c

   1 /* arsup.c - Archive support for MRI compatibility
   2    Copyright 1992, 1994, 1995, 1996, 1997, 2000
   3    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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21
  22 /* Contributed by Steve Chamberlain
  23                   sac@cygnus.com
  24
  25 This file looks after requests from arparse.y, to provide the MRI
  26 style librarian command syntax + 1 word LIST
  27
  28 */
  29
  30 #include "bfd.h"
  31 #include "arsup.h"
  32 #include "libiberty.h"
  33 #include "bucomm.h"
  34 #include "filenames.h"
  35
  36 static void map_over_list
  37   PARAMS ((bfd *, void (*function) (bfd *, bfd *), struct list *));
  38 static void ar_directory_doer PARAMS ((bfd *, bfd *));
  39 static void ar_addlib_doer PARAMS ((bfd *, bfd *));
  40
  41 extern int verbose;
  42
  43 static void
  44 map_over_list (arch, function, list)
  45      bfd *arch;
  46      void (*function) PARAMS ((bfd *, bfd *));
  47      struct list *list;
  48 {
  49   bfd *head;
  50
  51   if (list == NULL)
  52     {
  53       bfd *next;
  54
  55       head = arch->next;
  56       while (head != NULL)
  57         {
  58           next = head->next;
  59           function (head, (bfd *) NULL);
  60           head = next;
  61         }
  62     }
  63   else
  64     {
  65       struct list *ptr;
  66
  67       /* This may appear to be a baroque way of accomplishing what we
  68          want.  however we have to iterate over the filenames in order
  69          to notice where a filename is requested but does not exist in
  70          the archive.  Ditto mapping over each file each time -- we
  71          want to hack multiple references.  */
  72       for (ptr = list; ptr; ptr = ptr->next)
  73         {
  74           boolean found = false;
  75           bfd *prev = arch;
  76
  77           for (head = arch->next; head; head = head->next)
  78             {
  79               if (head->filename != NULL
  80                   && FILENAME_CMP (ptr->name, head->filename) == 0)
  81                 {
  82                   found = true;
  83                   function (head, prev);
  84                 }
  85               prev = head;
  86             }
  87           if (! found)
  88             fprintf (stderr, _("No entry %s in archive.\n"), ptr->name);
  89         }
  90     }
  91 }
  92
  93
  94 FILE *outfile;
  95
  96 /*ARGSUSED*/
  97 static void
  98 ar_directory_doer (abfd, ignore)
  99      bfd *abfd;
 100      bfd *ignore ATTRIBUTE_UNUSED;
 101 {
 102     print_arelt_descr(outfile, abfd, verbose);
 103 }
 104
 105 void
 106 ar_directory (ar_name, list, output)
 107      char *ar_name;
 108      struct list *list;
 109      char *output;
 110 {
 111   bfd *arch;
 112
 113   arch = open_inarch (ar_name, (char *) NULL);
 114   if (output)
 115     {
 116       outfile = fopen(output,"w");
 117       if (outfile == 0)
 118         {
 119           outfile = stdout;
 120           fprintf (stderr,_("Can't open file %s\n"), output);
 121           output = 0;
 122         }
 123     }
 124   else
 125     outfile = stdout;
 126
 127   map_over_list (arch, ar_directory_doer, list);
 128
 129   bfd_close (arch);
 130
 131   if (output)
 132    fclose (outfile);
 133 }
 134
 135 void
 136 DEFUN_VOID(prompt)
 137 {
 138   extern int interactive;
 139   if (interactive)
 140   {
 141     printf("AR >");
 142     fflush(stdout);
 143   }
 144 }
 145
 146 void
 147 maybequit ()
 148 {
 149   if (! interactive)
 150     xexit (9);
 151 }
 152
 153
 154 bfd *obfd;
 155 char *real_name ;
 156 void
 157 DEFUN(ar_open,(name, t),
 158       char *name AND
 159       int t)
 160
 161 {
 162   char *tname = (char *) xmalloc (strlen (name) + 10);
 163   real_name = name;
 164   /* Prepend tmp- to the beginning, to avoid file-name clashes after
 165      truncation on filesystems with limited namespaces (DOS).  */
 166   sprintf(tname, "tmp-%s", name);
 167   obfd = bfd_openw(tname, NULL);
 168
 169   if (!obfd) {
 170     fprintf(stderr,_("%s: Can't open output archive %s\n"), program_name,
 171             tname);
 172
 173     maybequit();
 174   }
 175   else {
 176     if (!t) {
 177       bfd **ptr;
 178       bfd *element;
 179       bfd *ibfd;
 180       ibfd = bfd_openr(name, NULL);
 181       if (!ibfd) {
 182         fprintf(stderr,_("%s: Can't open input archive %s\n"),
 183                 program_name, name);
 184         maybequit();
 185         return;
 186       }
 187       if (bfd_check_format(ibfd, bfd_archive) != true) {
 188         fprintf(stderr,_("%s: file %s is not an archive\n"), program_name,
 189                 name);
 190         maybequit();
 191         return;
 192       }
 193       ptr = &(obfd->archive_head);
 194       element = bfd_openr_next_archived_file(ibfd, NULL);
 195
 196       while (element) {
 197         *ptr = element;
 198         ptr = &element->next;
 199         element = bfd_openr_next_archived_file(ibfd, element);
 200       }
 201     }
 202
 203     bfd_set_format(obfd, bfd_archive);
 204
 205     obfd->has_armap = 1;
 206   }
 207 }
 208
 209
 210 static void
 211 ar_addlib_doer (abfd, prev)
 212      bfd *abfd;
 213      bfd *prev;
 214 {
 215   /* Add this module to the output bfd */
 216   if (prev != NULL)
 217     prev->next = abfd->next;
 218   abfd->next = obfd->archive_head;
 219   obfd->archive_head = abfd;
 220 }
 221
 222 void
 223 ar_addlib (name, list)
 224      char *name;
 225      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 disasppear */
 241     }
 242 }
 243
 244 void
 245 DEFUN(ar_addmod, (list),
 246       struct list *list)
 247 {
 248   if (!obfd) {
 249     fprintf(stderr, _("%s: no open output archive\n"), program_name);
 250     maybequit();
 251   }
 252   else
 253   {
 254     while (list) {
 255       bfd *abfd = bfd_openr(list->name, NULL);
 256       if (!abfd)  {
 257         fprintf(stderr,_("%s: can't open file %s\n"), program_name,
 258                 list->name);
 259         maybequit();
 260       }
 261       else {
 262         abfd->next = obfd->archive_head;
 263         obfd->archive_head = abfd;
 264       }
 265       list = list->next;
 266     }
 267   }
 268 }
 269
 270
 271
 272 void
 273 DEFUN_VOID(ar_clear)
 274 {
 275 if (obfd)
 276  obfd->archive_head = 0;
 277 }
 278
 279 void
 280 DEFUN(ar_delete, (list),
 281       struct list *list)
 282 {
 283   if (!obfd) {
 284     fprintf(stderr, _("%s: no open output archive\n"), program_name);
 285     maybequit();
 286   }
 287   else
 288   {
 289     while (list) {
 290       /* Find this name in the archive */
 291       bfd *member = obfd->archive_head;
 292       bfd **prev = &(obfd->archive_head);
 293       int found = 0;
 294       while (member) {
 295         if (FILENAME_CMP(member->filename, list->name) == 0) {
 296           *prev = member->next;
 297           found = 1;
 298         }
 299         else {
 300           prev = &(member->next);
 301         }
 302           member = member->next;
 303       }
 304       if (!found)  {
 305         fprintf(stderr,_("%s: can't find module file %s\n"), program_name,
 306                 list->name);
 307         maybequit();
 308       }
 309       list = list->next;
 310     }
 311   }
 312 }
 313
 314
 315 void
 316 DEFUN_VOID(ar_save)
 317 {
 318
 319   if (!obfd) {
 320     fprintf(stderr, _("%s: no open output archive\n"), program_name);
 321     maybequit();
 322   }
 323   else {
 324     char *ofilename = xstrdup (bfd_get_filename (obfd));
 325     bfd_close(obfd);
 326
 327     rename (ofilename, real_name);
 328     obfd = 0;
 329     free(ofilename);
 330   }
 331 }
 332
 333
 334
 335 void
 336 DEFUN(ar_replace, (list),
 337       struct list *list)
 338 {
 339   if (!obfd) {
 340     fprintf(stderr, _("%s: no open output archive\n"), program_name);
 341     maybequit();
 342   }
 343   else
 344   {
 345     while (list) {
 346       /* Find this name in the archive */
 347       bfd *member = obfd->archive_head;
 348       bfd **prev = &(obfd->archive_head);
 349       int found = 0;
 350       while (member)
 351       {
 352         if (FILENAME_CMP(member->filename, list->name) == 0)
 353         {
 354           /* Found the one to replace */
 355           bfd *abfd = bfd_openr(list->name, 0);
 356           if (!abfd)
 357           {
 358             fprintf(stderr, _("%s: can't open file %s\n"), program_name, list->name);
 359             maybequit();
 360           }
 361           else {
 362             *prev = abfd;
 363             abfd->next = member->next;
 364             found = 1;
 365           }
 366         }
 367         else {
 368           prev = &(member->next);
 369         }
 370         member = member->next;
 371       }
 372       if (!found)  {
 373         bfd *abfd = bfd_openr(list->name, 0);
 374         fprintf(stderr,_("%s: can't find module file %s\n"), program_name,
 375                 list->name);
 376         if (!abfd)
 377         {
 378           fprintf(stderr, _("%s: can't open file %s\n"), program_name, list->name);
 379           maybequit();
 380         }
 381         else
 382         {
 383           *prev = abfd;
 384         }
 385       }
 386
 387     list = list->next;
 388     }
 389   }
 390 }
 391
 392 /* And I added this one */
 393 void
 394 DEFUN_VOID(ar_list)
 395 {
 396   if (!obfd)
 397   {
 398     fprintf(stderr, _("%s: no open output archive\n"), program_name);
 399     maybequit();
 400   }
 401   else {
 402     bfd *abfd;
 403     outfile = stdout;
 404     verbose =1 ;
 405     printf(_("Current open archive is %s\n"), bfd_get_filename (obfd));
 406     for (abfd = obfd->archive_head;
 407          abfd != (bfd *)NULL;
 408          abfd = abfd->next)
 409     {
 410       ar_directory_doer (abfd, (bfd *) NULL);
 411     }
 412   }
 413 }
 414
 415
 416 void
 417 DEFUN_VOID(ar_end)
 418 {
 419   if (obfd)
 420   {
 421     fclose((FILE *)(obfd->iostream));
 422     unlink(bfd_get_filename (obfd));
 423   }
 424 }
 425 void
 426 DEFUN(ar_extract,(list),
 427       struct list *list)
 428 {
 429   if (!obfd)
 430   {
 431
 432     fprintf(stderr, _("%s: no open  archive\n"), program_name);
 433     maybequit();
 434   }
 435   else
 436   {
 437     while (list) {
 438       /* Find this name in the archive */
 439       bfd *member = obfd->archive_head;
 440       int found = 0;
 441       while (member && !found)
 442       {
 443         if (FILENAME_CMP(member->filename, list->name) == 0)
 444         {
 445           extract_file(member);
 446           found = 1;
 447           }
 448
 449         member = member->next;
 450       }
 451       if (!found)  {
 452         bfd_openr(list->name, 0);
 453         fprintf(stderr,_("%s: can't find module file %s\n"), program_name,
 454                 list->name);
 455
 456       }
 457       list = list->next;
 458     }
 459   }
 460 }