| 1 | /* ar.c - Archive modify and extract. |
| 2 | Copyright 1991, 92, 93, 94 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Binutils. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | \f |
| 20 | /* |
| 21 | Bugs: should use getopt the way tar does (complete w/optional -) and |
| 22 | should have long options too. GNU ar used to check file against filesystem |
| 23 | in quick_update and replace operations (would check mtime). Doesn't warn |
| 24 | when name truncated. No way to specify pos_end. Error messages should be |
| 25 | more consistant. |
| 26 | */ |
| 27 | #include "bfd.h" |
| 28 | #include "sysdep.h" |
| 29 | #include "bucomm.h" |
| 30 | #include "aout/ar.h" |
| 31 | #include "libbfd.h" |
| 32 | #include "arsup.h" |
| 33 | #include <stdio.h> |
| 34 | #ifdef POSIX_UTIME |
| 35 | #include <utime.h> |
| 36 | #else /* ! POSIX_UTIME */ |
| 37 | #ifdef USE_UTIME |
| 38 | #include <time.h> |
| 39 | #else /* ! USE_UTIME */ |
| 40 | #include <sys/time.h> |
| 41 | #endif /* ! USE_UTIME */ |
| 42 | #endif /* ! POSIX_UTIME */ |
| 43 | #include <errno.h> |
| 44 | #ifndef errno |
| 45 | extern int errno; |
| 46 | #endif |
| 47 | #define BUFSIZE 8192 |
| 48 | |
| 49 | #ifdef __GO32___ |
| 50 | #define EXT_NAME_LEN 3 /* bufflen of addition to name if it's MS-DOS */ |
| 51 | #else |
| 52 | #define EXT_NAME_LEN 6 /* ditto for *NIX */ |
| 53 | #endif |
| 54 | |
| 55 | /* Kludge declaration from BFD! This is ugly! FIXME! XXX */ |
| 56 | |
| 57 | struct ar_hdr * |
| 58 | bfd_special_undocumented_glue PARAMS ((bfd * abfd, char *filename)); |
| 59 | |
| 60 | /* Forward declarations */ |
| 61 | |
| 62 | static void |
| 63 | print_contents PARAMS ((bfd * member)); |
| 64 | |
| 65 | static void |
| 66 | delete_members PARAMS ((char **files_to_delete)); |
| 67 | |
| 68 | static void |
| 69 | do_quick_append PARAMS ((char *archive_filename, char **files_to_append)); |
| 70 | |
| 71 | static void |
| 72 | move_members PARAMS ((char **files_to_move)); |
| 73 | |
| 74 | static void |
| 75 | replace_members PARAMS ((char **files_to_replace)); |
| 76 | |
| 77 | static void |
| 78 | print_descr PARAMS ((bfd * abfd)); |
| 79 | |
| 80 | static void |
| 81 | ranlib_only PARAMS ((char *archname)); |
| 82 | \f |
| 83 | /** Globals and flags */ |
| 84 | |
| 85 | /* The input archive we're manipulating. */ |
| 86 | bfd *inarch; |
| 87 | |
| 88 | int mri_mode; |
| 89 | |
| 90 | /* This flag distinguishes between ar and ranlib: |
| 91 | 1 means this is 'ranlib'; 0 means this is 'ar'. |
| 92 | -1 means if we should use argv[0] to decide. */ |
| 93 | extern int is_ranlib; |
| 94 | |
| 95 | /* Nonzero means don't warn about creating the archive file if necessary. */ |
| 96 | int silent_create = 0; |
| 97 | |
| 98 | /* Nonzero means describe each action performed. */ |
| 99 | int verbose = 0; |
| 100 | |
| 101 | /* Nonzero means preserve dates of members when extracting them. */ |
| 102 | int preserve_dates = 0; |
| 103 | |
| 104 | /* Nonzero means don't replace existing members whose dates are more recent |
| 105 | than the corresponding files. */ |
| 106 | int newer_only = 0; |
| 107 | |
| 108 | /* Controls the writing of an archive symbol table (in BSD: a __.SYMDEF |
| 109 | member). -1 means we've been explicitly asked to not write a symbol table; |
| 110 | +1 means we've been explictly asked to write it; |
| 111 | 0 is the default. |
| 112 | Traditionally, the default in BSD has been to not write the table. |
| 113 | However, for POSIX.2 compliance the default is now to write a symbol table |
| 114 | if any of the members are object files. */ |
| 115 | int write_armap = 0; |
| 116 | |
| 117 | /* Nonzero means it's the name of an existing member; position new or moved |
| 118 | files with respect to this one. */ |
| 119 | char *posname = NULL; |
| 120 | |
| 121 | /* Sez how to use `posname': pos_before means position before that member. |
| 122 | pos_after means position after that member. pos_end means always at end. |
| 123 | pos_default means default appropriately. For the latter two, `posname' |
| 124 | should also be zero. */ |
| 125 | enum pos |
| 126 | { |
| 127 | pos_default, pos_before, pos_after, pos_end |
| 128 | } postype = pos_default; |
| 129 | |
| 130 | int interactive = 0; |
| 131 | |
| 132 | void |
| 133 | mri_emul () |
| 134 | { |
| 135 | interactive = isatty (fileno (stdin)); |
| 136 | yyparse (); |
| 137 | } |
| 138 | |
| 139 | /* If COUNT is 0, then FUNCTION is called once on each entry. If nonzero, |
| 140 | COUNT is the length of the FILES chain; FUNCTION is called on each entry |
| 141 | whose name matches one in FILES. */ |
| 142 | |
| 143 | void |
| 144 | map_over_members (function, files, count) |
| 145 | void (*function) (); |
| 146 | char **files; |
| 147 | int count; |
| 148 | { |
| 149 | bfd *head; |
| 150 | |
| 151 | if (count == 0) |
| 152 | { |
| 153 | for (head = inarch->next; head; head = head->next) |
| 154 | function (head); |
| 155 | return; |
| 156 | } |
| 157 | /* This may appear to be a baroque way of accomplishing what we want. |
| 158 | However we have to iterate over the filenames in order to notice where |
| 159 | a filename is requested but does not exist in the archive. Ditto |
| 160 | mapping over each file each time -- we want to hack multiple |
| 161 | references. */ |
| 162 | |
| 163 | for (; count > 0; files++, count--) |
| 164 | { |
| 165 | boolean found = false; |
| 166 | for (head = inarch->next; head; head = head->next) |
| 167 | { |
| 168 | if (head->filename == NULL) |
| 169 | { |
| 170 | /* Some archive formats don't get the filenames filled in |
| 171 | until the elements are opened. */ |
| 172 | struct stat buf; |
| 173 | bfd_stat_arch_elt (head, &buf); |
| 174 | } |
| 175 | if ((head->filename != NULL) && |
| 176 | (!strcmp (*files, head->filename))) |
| 177 | { |
| 178 | found = true; |
| 179 | function (head); |
| 180 | } |
| 181 | } |
| 182 | if (!found) |
| 183 | fprintf (stderr, "no entry %s in archive\n", *files); |
| 184 | } |
| 185 | } |
| 186 | \f |
| 187 | boolean operation_alters_arch = false; |
| 188 | |
| 189 | extern char *program_version; |
| 190 | |
| 191 | void |
| 192 | do_show_version () |
| 193 | { |
| 194 | printf ("GNU %s version %s\n", program_name, program_version); |
| 195 | exit (0); |
| 196 | } |
| 197 | |
| 198 | void |
| 199 | usage () |
| 200 | { |
| 201 | if (is_ranlib == 0) |
| 202 | fprintf (stderr, "\ |
| 203 | Usage: %s [-]{dmpqrtx}[abcilosuvV] [member-name] archive-file file...\n\ |
| 204 | %s -M [<mri-script]\n", |
| 205 | program_name, program_name); |
| 206 | else |
| 207 | fprintf (stderr, "\ |
| 208 | Usage: %s [-vV] archive\n", program_name); |
| 209 | exit (1); |
| 210 | } |
| 211 | |
| 212 | /* The option parsing should be in its own function. |
| 213 | It will be when I have getopt working. */ |
| 214 | |
| 215 | int |
| 216 | main (argc, argv) |
| 217 | int argc; |
| 218 | char **argv; |
| 219 | { |
| 220 | char *arg_ptr; |
| 221 | char c; |
| 222 | enum |
| 223 | { |
| 224 | none = 0, delete, replace, print_table, |
| 225 | print_files, extract, move, quick_append |
| 226 | } operation = none; |
| 227 | int arg_index; |
| 228 | char **files; |
| 229 | char *inarch_filename; |
| 230 | char *temp; |
| 231 | int show_version; |
| 232 | |
| 233 | program_name = argv[0]; |
| 234 | xmalloc_set_program_name (program_name); |
| 235 | |
| 236 | bfd_init (); |
| 237 | show_version = 0; |
| 238 | |
| 239 | temp = strrchr (program_name, '/'); |
| 240 | if (temp == (char *) NULL) |
| 241 | temp = program_name; /* shouldn't happen, but... */ |
| 242 | else |
| 243 | ++temp; |
| 244 | if (is_ranlib > 0 || (is_ranlib < 0 && strcmp (temp, "ranlib") == 0)) |
| 245 | { |
| 246 | is_ranlib = 1; |
| 247 | if (argc < 2 || argc > 3) |
| 248 | usage (); |
| 249 | arg_ptr = argv[1]; |
| 250 | if (strcmp (argv[1], "-V") == 0 || strcmp (argv[1], "-v") == 0) |
| 251 | do_show_version (); |
| 252 | ranlib_only (arg_ptr); |
| 253 | } |
| 254 | else |
| 255 | is_ranlib = 0; |
| 256 | |
| 257 | if (argc == 2 && strcmp (argv[1], "-M") == 0) |
| 258 | { |
| 259 | mri_emul (); |
| 260 | exit (0); |
| 261 | } |
| 262 | |
| 263 | if (argc < 2) |
| 264 | usage (); |
| 265 | |
| 266 | arg_ptr = argv[1]; |
| 267 | |
| 268 | if (*arg_ptr == '-') |
| 269 | ++arg_ptr; /* compatibility */ |
| 270 | |
| 271 | while ((c = *arg_ptr++) != '\0') |
| 272 | { |
| 273 | switch (c) |
| 274 | { |
| 275 | case 'd': |
| 276 | case 'm': |
| 277 | case 'p': |
| 278 | case 'q': |
| 279 | case 'r': |
| 280 | case 't': |
| 281 | case 'x': |
| 282 | if (operation != none) |
| 283 | fatal ("two different operation options specified"); |
| 284 | switch (c) |
| 285 | { |
| 286 | case 'd': |
| 287 | operation = delete; |
| 288 | operation_alters_arch = true; |
| 289 | break; |
| 290 | case 'm': |
| 291 | operation = move; |
| 292 | operation_alters_arch = true; |
| 293 | break; |
| 294 | case 'p': |
| 295 | operation = print_files; |
| 296 | break; |
| 297 | case 'q': |
| 298 | operation = quick_append; |
| 299 | operation_alters_arch = true; |
| 300 | break; |
| 301 | case 'r': |
| 302 | operation = replace; |
| 303 | operation_alters_arch = true; |
| 304 | break; |
| 305 | case 't': |
| 306 | operation = print_table; |
| 307 | break; |
| 308 | case 'x': |
| 309 | operation = extract; |
| 310 | break; |
| 311 | } |
| 312 | case 'l': |
| 313 | break; |
| 314 | case 'c': |
| 315 | silent_create = 1; |
| 316 | break; |
| 317 | case 'o': |
| 318 | preserve_dates = 1; |
| 319 | break; |
| 320 | case 'V': |
| 321 | show_version = true; |
| 322 | break; |
| 323 | case 's': |
| 324 | write_armap = 1; |
| 325 | break; |
| 326 | case 'u': |
| 327 | newer_only = 1; |
| 328 | break; |
| 329 | case 'v': |
| 330 | verbose = 1; |
| 331 | break; |
| 332 | case 'a': |
| 333 | postype = pos_after; |
| 334 | break; |
| 335 | case 'b': |
| 336 | postype = pos_before; |
| 337 | break; |
| 338 | case 'i': |
| 339 | postype = pos_before; |
| 340 | break; |
| 341 | case 'M': |
| 342 | mri_mode = 1; |
| 343 | break; |
| 344 | default: |
| 345 | fprintf (stderr, "%s: illegal option -- %c\n", program_name, c); |
| 346 | usage (); |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | if (show_version) |
| 351 | do_show_version (); |
| 352 | |
| 353 | if (argc < 3) |
| 354 | usage (); |
| 355 | |
| 356 | if (mri_mode) |
| 357 | { |
| 358 | mri_emul (); |
| 359 | } |
| 360 | else |
| 361 | { |
| 362 | if ((operation == none || operation == print_table) |
| 363 | && write_armap == 1) |
| 364 | ranlib_only (argv[2]); |
| 365 | |
| 366 | if (operation == none) |
| 367 | fatal ("no operation specified"); |
| 368 | |
| 369 | if (newer_only && operation != replace) |
| 370 | fatal ("`u' is only meaningful with the `r' option."); |
| 371 | |
| 372 | arg_index = 2; |
| 373 | |
| 374 | if (postype != pos_default) |
| 375 | posname = argv[arg_index++]; |
| 376 | |
| 377 | inarch_filename = argv[arg_index++]; |
| 378 | |
| 379 | files = arg_index < argc ? argv + arg_index : NULL; |
| 380 | |
| 381 | if (operation == quick_append) |
| 382 | { |
| 383 | /* Note that quick appending to a non-existent archive creates it, |
| 384 | even if there are no files to append. */ |
| 385 | do_quick_append (inarch_filename, files); |
| 386 | exit (0); |
| 387 | } |
| 388 | |
| 389 | open_inarch (inarch_filename); |
| 390 | |
| 391 | switch (operation) |
| 392 | { |
| 393 | case print_table: |
| 394 | map_over_members (print_descr, files, argc - 3); |
| 395 | break; |
| 396 | |
| 397 | case print_files: |
| 398 | map_over_members (print_contents, files, argc - 3); |
| 399 | break; |
| 400 | |
| 401 | case extract: |
| 402 | map_over_members (extract_file, files, argc - 3); |
| 403 | break; |
| 404 | |
| 405 | case delete: |
| 406 | if (files != NULL) |
| 407 | delete_members (files); |
| 408 | break; |
| 409 | |
| 410 | case move: |
| 411 | if (files != NULL) |
| 412 | move_members (files); |
| 413 | break; |
| 414 | |
| 415 | case replace: |
| 416 | if (files != NULL || write_armap > 0) |
| 417 | replace_members (files); |
| 418 | break; |
| 419 | |
| 420 | /* Shouldn't happen! */ |
| 421 | default: |
| 422 | fprintf (stderr, "%s: internal error -- this option not implemented\n", |
| 423 | program_name); |
| 424 | exit (1); |
| 425 | } |
| 426 | } |
| 427 | return 0; |
| 428 | } |
| 429 | |
| 430 | static char * |
| 431 | normalize (file) |
| 432 | char *file; |
| 433 | { |
| 434 | char *filename = strrchr (file, '/'); |
| 435 | if (filename != (char *) NULL) |
| 436 | { |
| 437 | filename++; |
| 438 | } |
| 439 | else |
| 440 | { |
| 441 | filename = file; |
| 442 | } |
| 443 | return filename; |
| 444 | } |
| 445 | |
| 446 | int |
| 447 | open_inarch (archive_filename) |
| 448 | char *archive_filename; |
| 449 | { |
| 450 | bfd **last_one; |
| 451 | bfd *next_one; |
| 452 | struct stat sbuf; |
| 453 | bfd_set_error (bfd_error_no_error); |
| 454 | |
| 455 | if (stat (archive_filename, &sbuf) != 0) |
| 456 | { |
| 457 | |
| 458 | #ifndef __GO32__ |
| 459 | |
| 460 | /* KLUDGE ALERT! Temporary fix until I figger why |
| 461 | * stat() is wrong ... think it's buried in GO32's IDT |
| 462 | * - Jax |
| 463 | */ |
| 464 | if (errno != ENOENT) |
| 465 | bfd_fatal (archive_filename); |
| 466 | #endif |
| 467 | |
| 468 | if (!operation_alters_arch) |
| 469 | { |
| 470 | fprintf (stderr, "%s: ", program_name); |
| 471 | perror (archive_filename); |
| 472 | maybequit (); |
| 473 | return 0; |
| 474 | } |
| 475 | |
| 476 | /* This routine is one way to forcibly create the archive. */ |
| 477 | |
| 478 | do_quick_append (archive_filename, 0); |
| 479 | } |
| 480 | |
| 481 | inarch = bfd_openr (archive_filename, NULL); |
| 482 | if (inarch == NULL) |
| 483 | { |
| 484 | bloser: |
| 485 | bfd_fatal (archive_filename); |
| 486 | } |
| 487 | |
| 488 | if (bfd_check_format (inarch, bfd_archive) != true) |
| 489 | fatal ("%s is not an archive", archive_filename); |
| 490 | last_one = &(inarch->next); |
| 491 | /* Read all the contents right away, regardless. */ |
| 492 | for (next_one = bfd_openr_next_archived_file (inarch, NULL); |
| 493 | next_one; |
| 494 | next_one = bfd_openr_next_archived_file (inarch, next_one)) |
| 495 | { |
| 496 | *last_one = next_one; |
| 497 | last_one = &next_one->next; |
| 498 | } |
| 499 | *last_one = (bfd *) NULL; |
| 500 | if (bfd_get_error () != bfd_error_no_more_archived_files) |
| 501 | goto bloser; |
| 502 | return 1; |
| 503 | } |
| 504 | |
| 505 | static void |
| 506 | print_contents (abfd) |
| 507 | bfd *abfd; |
| 508 | { |
| 509 | int ncopied = 0; |
| 510 | struct stat buf; |
| 511 | long size; |
| 512 | if (bfd_stat_arch_elt (abfd, &buf) != 0) |
| 513 | fatal ("internal stat error on %s", bfd_get_filename (abfd)); |
| 514 | |
| 515 | if (verbose) |
| 516 | printf ("\n<member %s>\n\n", bfd_get_filename (abfd)); |
| 517 | |
| 518 | bfd_seek (abfd, 0, SEEK_SET); |
| 519 | |
| 520 | size = buf.st_size; |
| 521 | while (ncopied < size) |
| 522 | { |
| 523 | char cbuf[BUFSIZE]; |
| 524 | int nread; |
| 525 | int tocopy = size - ncopied; |
| 526 | if (tocopy > BUFSIZE) |
| 527 | tocopy = BUFSIZE; |
| 528 | |
| 529 | nread = bfd_read (cbuf, 1, tocopy, abfd); /* oops -- broke |
| 530 | abstraction! */ |
| 531 | if (nread != tocopy) |
| 532 | fatal ("%s is not a valid archive", |
| 533 | bfd_get_filename (bfd_my_archive (abfd))); |
| 534 | fwrite (cbuf, 1, nread, stdout); |
| 535 | ncopied += tocopy; |
| 536 | } |
| 537 | } |
| 538 | |
| 539 | /* Extract a member of the archive into its own file. |
| 540 | |
| 541 | We defer opening the new file until after we have read a BUFSIZ chunk of the |
| 542 | old one, since we know we have just read the archive header for the old |
| 543 | one. Since most members are shorter than BUFSIZ, this means we will read |
| 544 | the old header, read the old data, write a new inode for the new file, and |
| 545 | write the new data, and be done. This 'optimization' is what comes from |
| 546 | sitting next to a bare disk and hearing it every time it seeks. -- Gnu |
| 547 | Gilmore */ |
| 548 | |
| 549 | void |
| 550 | extract_file (abfd) |
| 551 | bfd *abfd; |
| 552 | { |
| 553 | FILE *ostream; |
| 554 | char cbuf[BUFSIZE]; |
| 555 | int nread, tocopy; |
| 556 | int ncopied = 0; |
| 557 | long size; |
| 558 | struct stat buf; |
| 559 | if (bfd_stat_arch_elt (abfd, &buf) != 0) |
| 560 | fatal ("internal stat error on %s", bfd_get_filename (abfd)); |
| 561 | size = buf.st_size; |
| 562 | |
| 563 | if (verbose) |
| 564 | printf ("x - %s\n", bfd_get_filename (abfd)); |
| 565 | |
| 566 | bfd_seek (abfd, 0, SEEK_SET); |
| 567 | |
| 568 | ostream = 0; |
| 569 | if (size == 0) |
| 570 | { |
| 571 | /* Seems like an abstraction violation, eh? Well it's OK! */ |
| 572 | ostream = fopen (bfd_get_filename (abfd), FOPEN_WB); |
| 573 | if (!ostream) |
| 574 | { |
| 575 | perror (bfd_get_filename (abfd)); |
| 576 | exit (1); |
| 577 | } |
| 578 | } |
| 579 | else |
| 580 | while (ncopied < size) |
| 581 | { |
| 582 | tocopy = size - ncopied; |
| 583 | if (tocopy > BUFSIZE) |
| 584 | tocopy = BUFSIZE; |
| 585 | |
| 586 | nread = bfd_read (cbuf, 1, tocopy, abfd); |
| 587 | if (nread != tocopy) |
| 588 | fatal ("%s is not a valid archive", |
| 589 | bfd_get_filename (bfd_my_archive (abfd))); |
| 590 | |
| 591 | /* See comment above; this saves disk arm motion */ |
| 592 | if (!ostream) |
| 593 | { |
| 594 | /* Seems like an abstraction violation, eh? Well it's OK! */ |
| 595 | ostream = fopen (bfd_get_filename (abfd), FOPEN_WB); |
| 596 | if (!ostream) |
| 597 | { |
| 598 | perror (bfd_get_filename (abfd)); |
| 599 | exit (1); |
| 600 | } |
| 601 | } |
| 602 | fwrite (cbuf, 1, nread, ostream); |
| 603 | ncopied += tocopy; |
| 604 | } |
| 605 | |
| 606 | fclose (ostream); |
| 607 | chmod (bfd_get_filename (abfd), buf.st_mode); |
| 608 | |
| 609 | if (preserve_dates) |
| 610 | { |
| 611 | #ifdef POSIX_UTIME |
| 612 | struct utimbuf tb; |
| 613 | tb.actime = buf.st_mtime; |
| 614 | tb.modtime = buf.st_mtime; |
| 615 | utime (bfd_get_filename (abfd), &tb); /* FIXME check result */ |
| 616 | #else /* ! POSIX_UTIME */ |
| 617 | #ifdef USE_UTIME |
| 618 | long tb[2]; |
| 619 | tb[0] = buf.st_mtime; |
| 620 | tb[1] = buf.st_mtime; |
| 621 | utime (bfd_get_filename (abfd), tb); /* FIXME check result */ |
| 622 | #else /* ! USE_UTIME */ |
| 623 | struct timeval tv[2]; |
| 624 | tv[0].tv_sec = buf.st_mtime; |
| 625 | tv[0].tv_usec = 0; |
| 626 | tv[1].tv_sec = buf.st_mtime; |
| 627 | tv[1].tv_usec = 0; |
| 628 | utimes (bfd_get_filename (abfd), tv); /* FIXME check result */ |
| 629 | #endif /* ! USE_UTIME */ |
| 630 | #endif /* ! POSIX_UTIME */ |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | /* Just do it quickly; don't worry about dups, armap, or anything like that */ |
| 635 | |
| 636 | static void |
| 637 | do_quick_append (archive_filename, files_to_append) |
| 638 | char *archive_filename; |
| 639 | char **files_to_append; |
| 640 | { |
| 641 | FILE *ofile, *ifile; |
| 642 | char buf[BUFSIZE]; |
| 643 | long tocopy, thistime; |
| 644 | bfd *temp; |
| 645 | struct stat sbuf; |
| 646 | boolean newfile = false; |
| 647 | bfd_set_error (bfd_error_no_error); |
| 648 | |
| 649 | if (stat (archive_filename, &sbuf) != 0) |
| 650 | { |
| 651 | |
| 652 | #ifndef __GO32__ |
| 653 | |
| 654 | /* KLUDGE ALERT! Temporary fix until I figger why |
| 655 | * stat() is wrong ... think it's buried in GO32's IDT |
| 656 | * - Jax |
| 657 | */ |
| 658 | |
| 659 | if (errno != ENOENT) |
| 660 | bfd_fatal (archive_filename); |
| 661 | #endif |
| 662 | |
| 663 | newfile = true; |
| 664 | } |
| 665 | |
| 666 | ofile = fopen (archive_filename, FOPEN_AUB); |
| 667 | if (ofile == NULL) |
| 668 | { |
| 669 | perror (program_name); |
| 670 | exit (1); |
| 671 | } |
| 672 | |
| 673 | temp = bfd_openr (archive_filename, NULL); |
| 674 | if (temp == NULL) |
| 675 | { |
| 676 | bfd_fatal (archive_filename); |
| 677 | } |
| 678 | if (newfile == false) |
| 679 | { |
| 680 | if (bfd_check_format (temp, bfd_archive) != true) |
| 681 | fatal ("%s is not an archive", archive_filename); |
| 682 | } |
| 683 | else |
| 684 | { |
| 685 | fwrite (ARMAG, 1, SARMAG, ofile); |
| 686 | if (!silent_create) |
| 687 | fprintf (stderr, "%s: creating %s\n", |
| 688 | program_name, archive_filename); |
| 689 | } |
| 690 | |
| 691 | /* assume it's an achive, go straight to the end, sans $200 */ |
| 692 | fseek (ofile, 0, 2); |
| 693 | |
| 694 | for (; files_to_append && *files_to_append; ++files_to_append) |
| 695 | { |
| 696 | struct ar_hdr *hdr = bfd_special_undocumented_glue (temp, *files_to_append); |
| 697 | if (hdr == NULL) |
| 698 | { |
| 699 | bfd_fatal (*files_to_append); |
| 700 | } |
| 701 | |
| 702 | BFD_SEND (temp, _bfd_truncate_arname, (temp, *files_to_append, (char *) hdr)); |
| 703 | |
| 704 | ifile = fopen (*files_to_append, FOPEN_RB); |
| 705 | if (ifile == NULL) |
| 706 | { |
| 707 | bfd_nonfatal (*files_to_append); |
| 708 | } |
| 709 | |
| 710 | if (stat (*files_to_append, &sbuf) != 0) |
| 711 | { |
| 712 | bfd_nonfatal (*files_to_append); |
| 713 | } |
| 714 | |
| 715 | tocopy = sbuf.st_size; |
| 716 | |
| 717 | /* XXX should do error-checking! */ |
| 718 | fwrite (hdr, 1, sizeof (struct ar_hdr), ofile); |
| 719 | |
| 720 | while (tocopy > 0) |
| 721 | { |
| 722 | thistime = tocopy; |
| 723 | if (thistime > BUFSIZE) |
| 724 | thistime = BUFSIZE; |
| 725 | fread (buf, 1, thistime, ifile); |
| 726 | fwrite (buf, 1, thistime, ofile); |
| 727 | tocopy -= thistime; |
| 728 | } |
| 729 | fclose (ifile); |
| 730 | if ((sbuf.st_size % 2) == 1) |
| 731 | putc ('\012', ofile); |
| 732 | } |
| 733 | fclose (ofile); |
| 734 | bfd_close (temp); |
| 735 | } |
| 736 | |
| 737 | |
| 738 | void |
| 739 | write_archive () |
| 740 | { |
| 741 | bfd *obfd; |
| 742 | int namelen = strlen (inarch->filename); |
| 743 | char *new_name = xmalloc (namelen + EXT_NAME_LEN); |
| 744 | bfd *contents_head = inarch->next; |
| 745 | |
| 746 | strcpy (new_name, inarch->filename); |
| 747 | |
| 748 | #ifdef __GO32__ /* avoid long .extensions for MS-DOS */ |
| 749 | strcpy (new_name + namelen, "-a"); |
| 750 | #else |
| 751 | strcpy (new_name + namelen, "-art"); |
| 752 | #endif |
| 753 | |
| 754 | obfd = bfd_openw (new_name, |
| 755 | /* FIXME: violates abstraction; need a better protocol */ |
| 756 | (inarch->xvec ? bfd_get_target (inarch) : NULL)); |
| 757 | |
| 758 | if (obfd == NULL) |
| 759 | bfd_fatal (inarch->filename); |
| 760 | |
| 761 | bfd_set_format (obfd, bfd_archive); |
| 762 | |
| 763 | /* Request writing the archive symbol table unless we've |
| 764 | been explicitly requested not to. */ |
| 765 | obfd->has_armap = write_armap >= 0; |
| 766 | |
| 767 | if (bfd_set_archive_head (obfd, contents_head) != true) |
| 768 | bfd_fatal (inarch->filename); |
| 769 | |
| 770 | if (!bfd_close (obfd)) |
| 771 | bfd_fatal (inarch->filename); |
| 772 | |
| 773 | /* We don't care if this fails; we might be creating the archive. */ |
| 774 | unlink (inarch->filename); |
| 775 | |
| 776 | if (rename (new_name, inarch->filename) != 0) |
| 777 | bfd_fatal (inarch->filename); |
| 778 | } |
| 779 | |
| 780 | /* Return a pointer to the pointer to the entry which should be rplacd'd |
| 781 | into when altering. DEFAULT_POS should be how to interpret pos_default, |
| 782 | and should be a pos value. */ |
| 783 | |
| 784 | bfd ** |
| 785 | get_pos_bfd (contents, default_pos) |
| 786 | bfd **contents; |
| 787 | enum pos default_pos; |
| 788 | { |
| 789 | bfd **after_bfd = contents; |
| 790 | enum pos realpos = (postype == pos_default ? default_pos : postype); |
| 791 | |
| 792 | if (realpos == pos_end) |
| 793 | { |
| 794 | while (*after_bfd) |
| 795 | after_bfd = &((*after_bfd)->next); |
| 796 | } |
| 797 | else |
| 798 | { |
| 799 | for (; *after_bfd; after_bfd = &(*after_bfd)->next) |
| 800 | if (!strcmp ((*after_bfd)->filename, posname)) |
| 801 | { |
| 802 | if (realpos == pos_after) |
| 803 | after_bfd = &(*after_bfd)->next; |
| 804 | break; |
| 805 | } |
| 806 | } |
| 807 | return after_bfd; |
| 808 | } |
| 809 | |
| 810 | static void |
| 811 | delete_members (files_to_delete) |
| 812 | char **files_to_delete; |
| 813 | { |
| 814 | bfd **current_ptr_ptr; |
| 815 | boolean found; |
| 816 | boolean something_changed = false; |
| 817 | for (; *files_to_delete != NULL; ++files_to_delete) |
| 818 | { |
| 819 | /* In a.out systems, the armap is optional. It's also called |
| 820 | __.SYMDEF. So if the user asked to delete it, we should remember |
| 821 | that fact. This isn't quite right for COFF systems (where |
| 822 | __.SYMDEF might be regular member), but it's very unlikely |
| 823 | to be a problem. FIXME */ |
| 824 | |
| 825 | if (!strcmp (*files_to_delete, "__.SYMDEF")) |
| 826 | { |
| 827 | inarch->has_armap = false; |
| 828 | write_armap = -1; |
| 829 | continue; |
| 830 | } |
| 831 | |
| 832 | found = false; |
| 833 | current_ptr_ptr = &(inarch->next); |
| 834 | while (*current_ptr_ptr) |
| 835 | { |
| 836 | if (strcmp (*files_to_delete, (*current_ptr_ptr)->filename) == 0) |
| 837 | { |
| 838 | found = true; |
| 839 | something_changed = true; |
| 840 | if (verbose) |
| 841 | printf ("d - %s\n", |
| 842 | *files_to_delete); |
| 843 | *current_ptr_ptr = ((*current_ptr_ptr)->next); |
| 844 | goto next_file; |
| 845 | } |
| 846 | else |
| 847 | { |
| 848 | current_ptr_ptr = &((*current_ptr_ptr)->next); |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | if (verbose && found == false) |
| 853 | { |
| 854 | printf ("No member named `%s'\n", *files_to_delete); |
| 855 | } |
| 856 | next_file: |
| 857 | ; |
| 858 | } |
| 859 | |
| 860 | if (something_changed == true) |
| 861 | { |
| 862 | write_archive (); |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | |
| 867 | /* Reposition existing members within an archive */ |
| 868 | |
| 869 | static void |
| 870 | move_members (files_to_move) |
| 871 | char **files_to_move; |
| 872 | { |
| 873 | bfd **after_bfd; /* New entries go after this one */ |
| 874 | bfd **current_ptr_ptr; /* cdr pointer into contents */ |
| 875 | |
| 876 | for (; *files_to_move; ++files_to_move) |
| 877 | { |
| 878 | current_ptr_ptr = &(inarch->next); |
| 879 | while (*current_ptr_ptr) |
| 880 | { |
| 881 | bfd *current_ptr = *current_ptr_ptr; |
| 882 | if (strcmp (normalize (*files_to_move), current_ptr->filename) == 0) |
| 883 | { |
| 884 | /* Move this file to the end of the list - first cut from |
| 885 | where it is. */ |
| 886 | bfd *link; |
| 887 | *current_ptr_ptr = current_ptr->next; |
| 888 | |
| 889 | /* Now glue to end */ |
| 890 | after_bfd = get_pos_bfd (&inarch->next, pos_end); |
| 891 | link = *after_bfd; |
| 892 | *after_bfd = current_ptr; |
| 893 | current_ptr->next = link; |
| 894 | |
| 895 | if (verbose) |
| 896 | printf ("m - %s\n", *files_to_move); |
| 897 | |
| 898 | goto next_file; |
| 899 | } |
| 900 | |
| 901 | current_ptr_ptr = &((*current_ptr_ptr)->next); |
| 902 | } |
| 903 | fprintf (stderr, "%s: no entry %s in archive %s!\n", |
| 904 | program_name, *files_to_move, inarch->filename); |
| 905 | exit (1); |
| 906 | next_file:; |
| 907 | } |
| 908 | |
| 909 | write_archive (); |
| 910 | } |
| 911 | |
| 912 | /* Ought to default to replacing in place, but this is existing practice! */ |
| 913 | |
| 914 | static void |
| 915 | replace_members (files_to_move) |
| 916 | char **files_to_move; |
| 917 | { |
| 918 | bfd **after_bfd; /* New entries go after this one */ |
| 919 | bfd *current; |
| 920 | bfd **current_ptr; |
| 921 | bfd *temp; |
| 922 | |
| 923 | while (files_to_move && *files_to_move) |
| 924 | { |
| 925 | current_ptr = &inarch->next; |
| 926 | while (*current_ptr) |
| 927 | { |
| 928 | current = *current_ptr; |
| 929 | |
| 930 | if (!strcmp (normalize (*files_to_move), current->filename)) |
| 931 | { |
| 932 | if (newer_only) |
| 933 | { |
| 934 | struct stat fsbuf, asbuf; |
| 935 | |
| 936 | if (current->arelt_data == NULL) |
| 937 | { |
| 938 | /* This can only happen if you specify a file on the |
| 939 | command line more than once. */ |
| 940 | fprintf (stderr, |
| 941 | "%s: duplicate file specified: %s -- skipping\n", |
| 942 | program_name, *files_to_move); |
| 943 | goto next_file; |
| 944 | } |
| 945 | |
| 946 | if (stat (*files_to_move, &fsbuf) != 0) |
| 947 | { |
| 948 | if (errno != ENOENT) |
| 949 | bfd_fatal (*files_to_move); |
| 950 | goto next_file; |
| 951 | } |
| 952 | if (bfd_stat_arch_elt (current, &asbuf) != 0) |
| 953 | fatal ("internal stat error on %s", current->filename); |
| 954 | |
| 955 | if (fsbuf.st_mtime <= asbuf.st_mtime) |
| 956 | goto next_file; |
| 957 | } |
| 958 | |
| 959 | /* snip out this entry from the chain */ |
| 960 | *current_ptr = current->next; |
| 961 | |
| 962 | after_bfd = get_pos_bfd (&inarch->next, pos_end); |
| 963 | temp = *after_bfd; |
| 964 | *after_bfd = bfd_openr (*files_to_move, NULL); |
| 965 | if (*after_bfd == (bfd *) NULL) |
| 966 | { |
| 967 | bfd_fatal (*files_to_move); |
| 968 | } |
| 969 | (*after_bfd)->next = temp; |
| 970 | |
| 971 | if (verbose) |
| 972 | { |
| 973 | printf ("%c - %s\n", (postype == pos_after ? 'r' : 'a'), |
| 974 | *files_to_move); |
| 975 | } |
| 976 | goto next_file; |
| 977 | } |
| 978 | current_ptr = &(current->next); |
| 979 | } |
| 980 | |
| 981 | /* It isn't in there, so add to end */ |
| 982 | |
| 983 | after_bfd = get_pos_bfd (&inarch->next, pos_end); |
| 984 | temp = *after_bfd; |
| 985 | *after_bfd = bfd_openr (*files_to_move, NULL); |
| 986 | if (*after_bfd == (bfd *) NULL) |
| 987 | { |
| 988 | bfd_fatal (*files_to_move); |
| 989 | } |
| 990 | if (verbose) |
| 991 | { |
| 992 | printf ("c - %s\n", *files_to_move); |
| 993 | } |
| 994 | |
| 995 | (*after_bfd)->next = temp; |
| 996 | |
| 997 | next_file:; |
| 998 | |
| 999 | files_to_move++; |
| 1000 | } |
| 1001 | |
| 1002 | write_archive (); |
| 1003 | } |
| 1004 | |
| 1005 | static void |
| 1006 | ranlib_only (archname) |
| 1007 | char *archname; |
| 1008 | { |
| 1009 | write_armap = 1; |
| 1010 | open_inarch (archname); |
| 1011 | write_archive (); |
| 1012 | exit (0); |
| 1013 | } |
| 1014 | |
| 1015 | /* Things which are interesting to map over all or some of the files: */ |
| 1016 | |
| 1017 | static void |
| 1018 | print_descr (abfd) |
| 1019 | bfd *abfd; |
| 1020 | { |
| 1021 | print_arelt_descr (stdout, abfd, verbose); |
| 1022 | } |