| 1 | /* Common code for executing a program in a sub-process. |
| 2 | Copyright (C) 2005-2019 Free Software Foundation, Inc. |
| 3 | Written by Ian Lance Taylor <ian@airs.com>. |
| 4 | |
| 5 | This file is part of the libiberty library. |
| 6 | Libiberty is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Library General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2 of the License, or (at your option) any later version. |
| 10 | |
| 11 | Libiberty 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 GNU |
| 14 | Library General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Library General Public |
| 17 | License along with libiberty; see the file COPYING.LIB. If not, |
| 18 | write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, |
| 19 | Boston, MA 02110-1301, USA. */ |
| 20 | |
| 21 | #include "config.h" |
| 22 | #include "libiberty.h" |
| 23 | #include "pex-common.h" |
| 24 | |
| 25 | #include <stdio.h> |
| 26 | #include <errno.h> |
| 27 | #ifdef NEED_DECLARATION_ERRNO |
| 28 | extern int errno; |
| 29 | #endif |
| 30 | #ifdef HAVE_STDLIB_H |
| 31 | #include <stdlib.h> |
| 32 | #endif |
| 33 | #ifdef HAVE_STRING_H |
| 34 | #include <string.h> |
| 35 | #endif |
| 36 | #ifdef HAVE_UNISTD_H |
| 37 | #include <unistd.h> |
| 38 | #endif |
| 39 | |
| 40 | extern int mkstemps (char *, int); |
| 41 | |
| 42 | /* This file contains subroutines for the program execution routines |
| 43 | (pex_init, pex_run, etc.). This file is compiled on all |
| 44 | systems. */ |
| 45 | |
| 46 | static void pex_add_remove (struct pex_obj *, const char *, int); |
| 47 | static int pex_get_status_and_time (struct pex_obj *, int, const char **, |
| 48 | int *); |
| 49 | |
| 50 | /* Initialize a pex_obj structure. */ |
| 51 | |
| 52 | struct pex_obj * |
| 53 | pex_init_common (int flags, const char *pname, const char *tempbase, |
| 54 | const struct pex_funcs *funcs) |
| 55 | { |
| 56 | struct pex_obj *obj; |
| 57 | |
| 58 | obj = XNEW (struct pex_obj); |
| 59 | obj->flags = flags; |
| 60 | obj->pname = pname; |
| 61 | obj->tempbase = tempbase; |
| 62 | obj->next_input = STDIN_FILE_NO; |
| 63 | obj->next_input_name = NULL; |
| 64 | obj->next_input_name_allocated = 0; |
| 65 | obj->stderr_pipe = -1; |
| 66 | obj->count = 0; |
| 67 | obj->children = NULL; |
| 68 | obj->status = NULL; |
| 69 | obj->time = NULL; |
| 70 | obj->number_waited = 0; |
| 71 | obj->input_file = NULL; |
| 72 | obj->read_output = NULL; |
| 73 | obj->read_err = NULL; |
| 74 | obj->remove_count = 0; |
| 75 | obj->remove = NULL; |
| 76 | obj->funcs = funcs; |
| 77 | obj->sysdep = NULL; |
| 78 | return obj; |
| 79 | } |
| 80 | |
| 81 | /* Add a file to be removed when we are done. */ |
| 82 | |
| 83 | static void |
| 84 | pex_add_remove (struct pex_obj *obj, const char *name, int allocated) |
| 85 | { |
| 86 | char *add; |
| 87 | |
| 88 | ++obj->remove_count; |
| 89 | obj->remove = XRESIZEVEC (char *, obj->remove, obj->remove_count); |
| 90 | if (allocated) |
| 91 | add = (char *) name; |
| 92 | else |
| 93 | add = xstrdup (name); |
| 94 | obj->remove[obj->remove_count - 1] = add; |
| 95 | } |
| 96 | |
| 97 | /* Generate a temporary file name based on OBJ, FLAGS, and NAME. |
| 98 | Return NULL if we were unable to reserve a temporary filename. |
| 99 | |
| 100 | If non-NULL, the result is either allocated with malloc, or the |
| 101 | same pointer as NAME. */ |
| 102 | static char * |
| 103 | temp_file (struct pex_obj *obj, int flags, char *name) |
| 104 | { |
| 105 | if (name == NULL) |
| 106 | { |
| 107 | if (obj->tempbase == NULL) |
| 108 | { |
| 109 | name = make_temp_file (NULL); |
| 110 | } |
| 111 | else |
| 112 | { |
| 113 | int len = strlen (obj->tempbase); |
| 114 | int out; |
| 115 | |
| 116 | if (len >= 6 |
| 117 | && strcmp (obj->tempbase + len - 6, "XXXXXX") == 0) |
| 118 | name = xstrdup (obj->tempbase); |
| 119 | else |
| 120 | name = concat (obj->tempbase, "XXXXXX", NULL); |
| 121 | |
| 122 | out = mkstemps (name, 0); |
| 123 | if (out < 0) |
| 124 | { |
| 125 | free (name); |
| 126 | return NULL; |
| 127 | } |
| 128 | |
| 129 | /* This isn't obj->funcs->close because we got the |
| 130 | descriptor from mkstemps, not from a function in |
| 131 | obj->funcs. Calling close here is just like what |
| 132 | make_temp_file does. */ |
| 133 | close (out); |
| 134 | } |
| 135 | } |
| 136 | else if ((flags & PEX_SUFFIX) != 0) |
| 137 | { |
| 138 | if (obj->tempbase == NULL) |
| 139 | name = make_temp_file (name); |
| 140 | else |
| 141 | name = concat (obj->tempbase, name, NULL); |
| 142 | } |
| 143 | |
| 144 | return name; |
| 145 | } |
| 146 | |
| 147 | |
| 148 | /* As for pex_run (), but permits the environment for the child process |
| 149 | to be specified. */ |
| 150 | |
| 151 | const char * |
| 152 | pex_run_in_environment (struct pex_obj *obj, int flags, const char *executable, |
| 153 | char * const * argv, char * const * env, |
| 154 | const char *orig_outname, const char *errname, |
| 155 | int *err) |
| 156 | { |
| 157 | const char *errmsg; |
| 158 | int in, out, errdes; |
| 159 | char *outname; |
| 160 | int outname_allocated; |
| 161 | int p[2]; |
| 162 | int toclose; |
| 163 | pid_t pid; |
| 164 | |
| 165 | in = -1; |
| 166 | out = -1; |
| 167 | errdes = -1; |
| 168 | outname = (char *) orig_outname; |
| 169 | outname_allocated = 0; |
| 170 | |
| 171 | /* If the user called pex_input_file, close the file now. */ |
| 172 | if (obj->input_file) |
| 173 | { |
| 174 | if (fclose (obj->input_file) == EOF) |
| 175 | { |
| 176 | errmsg = "closing pipeline input file"; |
| 177 | goto error_exit; |
| 178 | } |
| 179 | obj->input_file = NULL; |
| 180 | } |
| 181 | |
| 182 | /* Set IN. */ |
| 183 | |
| 184 | if (obj->next_input_name != NULL) |
| 185 | { |
| 186 | /* We have to make sure that the previous process has completed |
| 187 | before we try to read the file. */ |
| 188 | if (!pex_get_status_and_time (obj, 0, &errmsg, err)) |
| 189 | goto error_exit; |
| 190 | |
| 191 | in = obj->funcs->open_read (obj, obj->next_input_name, |
| 192 | (flags & PEX_BINARY_INPUT) != 0); |
| 193 | if (in < 0) |
| 194 | { |
| 195 | *err = errno; |
| 196 | errmsg = "open temporary file"; |
| 197 | goto error_exit; |
| 198 | } |
| 199 | if (obj->next_input_name_allocated) |
| 200 | { |
| 201 | free (obj->next_input_name); |
| 202 | obj->next_input_name_allocated = 0; |
| 203 | } |
| 204 | obj->next_input_name = NULL; |
| 205 | } |
| 206 | else |
| 207 | { |
| 208 | in = obj->next_input; |
| 209 | if (in < 0) |
| 210 | { |
| 211 | *err = 0; |
| 212 | errmsg = "pipeline already complete"; |
| 213 | goto error_exit; |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | /* Set OUT and OBJ->NEXT_INPUT/OBJ->NEXT_INPUT_NAME. */ |
| 218 | |
| 219 | if ((flags & PEX_LAST) != 0) |
| 220 | { |
| 221 | if (outname == NULL) |
| 222 | out = STDOUT_FILE_NO; |
| 223 | else if ((flags & PEX_SUFFIX) != 0) |
| 224 | { |
| 225 | outname = concat (obj->tempbase, outname, NULL); |
| 226 | outname_allocated = 1; |
| 227 | } |
| 228 | obj->next_input = -1; |
| 229 | } |
| 230 | else if ((obj->flags & PEX_USE_PIPES) == 0) |
| 231 | { |
| 232 | outname = temp_file (obj, flags, outname); |
| 233 | if (! outname) |
| 234 | { |
| 235 | *err = 0; |
| 236 | errmsg = "could not create temporary file"; |
| 237 | goto error_exit; |
| 238 | } |
| 239 | |
| 240 | if (outname != orig_outname) |
| 241 | outname_allocated = 1; |
| 242 | |
| 243 | if ((obj->flags & PEX_SAVE_TEMPS) == 0) |
| 244 | { |
| 245 | pex_add_remove (obj, outname, outname_allocated); |
| 246 | outname_allocated = 0; |
| 247 | } |
| 248 | |
| 249 | /* Hand off ownership of outname to the next stage. */ |
| 250 | obj->next_input_name = outname; |
| 251 | obj->next_input_name_allocated = outname_allocated; |
| 252 | outname_allocated = 0; |
| 253 | } |
| 254 | else |
| 255 | { |
| 256 | if (obj->funcs->pipe (obj, p, (flags & PEX_BINARY_OUTPUT) != 0) < 0) |
| 257 | { |
| 258 | *err = errno; |
| 259 | errmsg = "pipe"; |
| 260 | goto error_exit; |
| 261 | } |
| 262 | |
| 263 | out = p[WRITE_PORT]; |
| 264 | obj->next_input = p[READ_PORT]; |
| 265 | } |
| 266 | |
| 267 | if (out < 0) |
| 268 | { |
| 269 | out = obj->funcs->open_write (obj, outname, |
| 270 | (flags & PEX_BINARY_OUTPUT) != 0, |
| 271 | (flags & PEX_STDOUT_APPEND) != 0); |
| 272 | if (out < 0) |
| 273 | { |
| 274 | *err = errno; |
| 275 | errmsg = "open temporary output file"; |
| 276 | goto error_exit; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | if (outname_allocated) |
| 281 | { |
| 282 | free (outname); |
| 283 | outname_allocated = 0; |
| 284 | } |
| 285 | |
| 286 | /* Set ERRDES. */ |
| 287 | |
| 288 | if (errname != NULL && (flags & PEX_STDERR_TO_PIPE) != 0) |
| 289 | { |
| 290 | *err = 0; |
| 291 | errmsg = "both ERRNAME and PEX_STDERR_TO_PIPE specified."; |
| 292 | goto error_exit; |
| 293 | } |
| 294 | |
| 295 | if (obj->stderr_pipe != -1) |
| 296 | { |
| 297 | *err = 0; |
| 298 | errmsg = "PEX_STDERR_TO_PIPE used in the middle of pipeline"; |
| 299 | goto error_exit; |
| 300 | } |
| 301 | |
| 302 | if (errname == NULL) |
| 303 | { |
| 304 | if (flags & PEX_STDERR_TO_PIPE) |
| 305 | { |
| 306 | if (obj->funcs->pipe (obj, p, (flags & PEX_BINARY_ERROR) != 0) < 0) |
| 307 | { |
| 308 | *err = errno; |
| 309 | errmsg = "pipe"; |
| 310 | goto error_exit; |
| 311 | } |
| 312 | |
| 313 | errdes = p[WRITE_PORT]; |
| 314 | obj->stderr_pipe = p[READ_PORT]; |
| 315 | } |
| 316 | else |
| 317 | { |
| 318 | errdes = STDERR_FILE_NO; |
| 319 | } |
| 320 | } |
| 321 | else |
| 322 | { |
| 323 | errdes = obj->funcs->open_write (obj, errname, |
| 324 | (flags & PEX_BINARY_ERROR) != 0, |
| 325 | (flags & PEX_STDERR_APPEND) != 0); |
| 326 | if (errdes < 0) |
| 327 | { |
| 328 | *err = errno; |
| 329 | errmsg = "open error file"; |
| 330 | goto error_exit; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /* If we are using pipes, the child process has to close the next |
| 335 | input pipe. */ |
| 336 | |
| 337 | if ((obj->flags & PEX_USE_PIPES) == 0) |
| 338 | toclose = -1; |
| 339 | else |
| 340 | toclose = obj->next_input; |
| 341 | |
| 342 | /* Run the program. */ |
| 343 | |
| 344 | pid = obj->funcs->exec_child (obj, flags, executable, argv, env, |
| 345 | in, out, errdes, toclose, &errmsg, err); |
| 346 | if (pid < 0) |
| 347 | goto error_exit; |
| 348 | |
| 349 | ++obj->count; |
| 350 | obj->children = XRESIZEVEC (pid_t, obj->children, obj->count); |
| 351 | obj->children[obj->count - 1] = pid; |
| 352 | |
| 353 | return NULL; |
| 354 | |
| 355 | error_exit: |
| 356 | if (in >= 0 && in != STDIN_FILE_NO) |
| 357 | obj->funcs->close (obj, in); |
| 358 | if (out >= 0 && out != STDOUT_FILE_NO) |
| 359 | obj->funcs->close (obj, out); |
| 360 | if (errdes >= 0 && errdes != STDERR_FILE_NO) |
| 361 | obj->funcs->close (obj, errdes); |
| 362 | if (outname_allocated) |
| 363 | free (outname); |
| 364 | return errmsg; |
| 365 | } |
| 366 | |
| 367 | /* Run a program. */ |
| 368 | |
| 369 | const char * |
| 370 | pex_run (struct pex_obj *obj, int flags, const char *executable, |
| 371 | char * const * argv, const char *orig_outname, const char *errname, |
| 372 | int *err) |
| 373 | { |
| 374 | return pex_run_in_environment (obj, flags, executable, argv, NULL, |
| 375 | orig_outname, errname, err); |
| 376 | } |
| 377 | |
| 378 | /* Return a FILE pointer for a temporary file to fill with input for |
| 379 | the pipeline. */ |
| 380 | FILE * |
| 381 | pex_input_file (struct pex_obj *obj, int flags, const char *in_name) |
| 382 | { |
| 383 | char *name = (char *) in_name; |
| 384 | FILE *f; |
| 385 | |
| 386 | /* This must be called before the first pipeline stage is run, and |
| 387 | there must not have been any other input selected. */ |
| 388 | if (obj->count != 0 |
| 389 | || (obj->next_input >= 0 && obj->next_input != STDIN_FILE_NO) |
| 390 | || obj->next_input_name) |
| 391 | { |
| 392 | errno = EINVAL; |
| 393 | return NULL; |
| 394 | } |
| 395 | |
| 396 | name = temp_file (obj, flags, name); |
| 397 | if (! name) |
| 398 | return NULL; |
| 399 | |
| 400 | f = fopen (name, (flags & PEX_BINARY_OUTPUT) ? "wb" : "w"); |
| 401 | if (! f) |
| 402 | { |
| 403 | free (name); |
| 404 | return NULL; |
| 405 | } |
| 406 | |
| 407 | obj->input_file = f; |
| 408 | obj->next_input_name = name; |
| 409 | obj->next_input_name_allocated = (name != in_name); |
| 410 | |
| 411 | return f; |
| 412 | } |
| 413 | |
| 414 | /* Return a stream for a pipe connected to the standard input of the |
| 415 | first stage of the pipeline. */ |
| 416 | FILE * |
| 417 | pex_input_pipe (struct pex_obj *obj, int binary) |
| 418 | { |
| 419 | int p[2]; |
| 420 | FILE *f; |
| 421 | |
| 422 | /* You must call pex_input_pipe before the first pex_run or pex_one. */ |
| 423 | if (obj->count > 0) |
| 424 | goto usage_error; |
| 425 | |
| 426 | /* You must be using pipes. Implementations that don't support |
| 427 | pipes clear this flag before calling pex_init_common. */ |
| 428 | if (! (obj->flags & PEX_USE_PIPES)) |
| 429 | goto usage_error; |
| 430 | |
| 431 | /* If we have somehow already selected other input, that's a |
| 432 | mistake. */ |
| 433 | if ((obj->next_input >= 0 && obj->next_input != STDIN_FILE_NO) |
| 434 | || obj->next_input_name) |
| 435 | goto usage_error; |
| 436 | |
| 437 | if (obj->funcs->pipe (obj, p, binary != 0) < 0) |
| 438 | return NULL; |
| 439 | |
| 440 | f = obj->funcs->fdopenw (obj, p[WRITE_PORT], binary != 0); |
| 441 | if (! f) |
| 442 | { |
| 443 | int saved_errno = errno; |
| 444 | obj->funcs->close (obj, p[READ_PORT]); |
| 445 | obj->funcs->close (obj, p[WRITE_PORT]); |
| 446 | errno = saved_errno; |
| 447 | return NULL; |
| 448 | } |
| 449 | |
| 450 | obj->next_input = p[READ_PORT]; |
| 451 | |
| 452 | return f; |
| 453 | |
| 454 | usage_error: |
| 455 | errno = EINVAL; |
| 456 | return NULL; |
| 457 | } |
| 458 | |
| 459 | /* Return a FILE pointer for the output of the last program |
| 460 | executed. */ |
| 461 | |
| 462 | FILE * |
| 463 | pex_read_output (struct pex_obj *obj, int binary) |
| 464 | { |
| 465 | if (obj->next_input_name != NULL) |
| 466 | { |
| 467 | const char *errmsg; |
| 468 | int err; |
| 469 | |
| 470 | /* We have to make sure that the process has completed before we |
| 471 | try to read the file. */ |
| 472 | if (!pex_get_status_and_time (obj, 0, &errmsg, &err)) |
| 473 | { |
| 474 | errno = err; |
| 475 | return NULL; |
| 476 | } |
| 477 | |
| 478 | obj->read_output = fopen (obj->next_input_name, binary ? "rb" : "r"); |
| 479 | |
| 480 | if (obj->next_input_name_allocated) |
| 481 | { |
| 482 | free (obj->next_input_name); |
| 483 | obj->next_input_name_allocated = 0; |
| 484 | } |
| 485 | obj->next_input_name = NULL; |
| 486 | } |
| 487 | else |
| 488 | { |
| 489 | int o; |
| 490 | |
| 491 | o = obj->next_input; |
| 492 | if (o < 0 || o == STDIN_FILE_NO) |
| 493 | return NULL; |
| 494 | obj->read_output = obj->funcs->fdopenr (obj, o, binary); |
| 495 | obj->next_input = -1; |
| 496 | } |
| 497 | |
| 498 | return obj->read_output; |
| 499 | } |
| 500 | |
| 501 | FILE * |
| 502 | pex_read_err (struct pex_obj *obj, int binary) |
| 503 | { |
| 504 | int o; |
| 505 | |
| 506 | o = obj->stderr_pipe; |
| 507 | if (o < 0 || o == STDIN_FILE_NO) |
| 508 | return NULL; |
| 509 | obj->read_err = obj->funcs->fdopenr (obj, o, binary); |
| 510 | obj->stderr_pipe = -1; |
| 511 | return obj->read_err; |
| 512 | } |
| 513 | |
| 514 | /* Get the exit status and, if requested, the resource time for all |
| 515 | the child processes. Return 0 on failure, 1 on success. */ |
| 516 | |
| 517 | static int |
| 518 | pex_get_status_and_time (struct pex_obj *obj, int done, const char **errmsg, |
| 519 | int *err) |
| 520 | { |
| 521 | int ret; |
| 522 | int i; |
| 523 | |
| 524 | if (obj->number_waited == obj->count) |
| 525 | return 1; |
| 526 | |
| 527 | obj->status = XRESIZEVEC (int, obj->status, obj->count); |
| 528 | if ((obj->flags & PEX_RECORD_TIMES) != 0) |
| 529 | obj->time = XRESIZEVEC (struct pex_time, obj->time, obj->count); |
| 530 | |
| 531 | ret = 1; |
| 532 | for (i = obj->number_waited; i < obj->count; ++i) |
| 533 | { |
| 534 | if (obj->funcs->wait (obj, obj->children[i], &obj->status[i], |
| 535 | obj->time == NULL ? NULL : &obj->time[i], |
| 536 | done, errmsg, err) < 0) |
| 537 | ret = 0; |
| 538 | } |
| 539 | obj->number_waited = i; |
| 540 | |
| 541 | return ret; |
| 542 | } |
| 543 | |
| 544 | /* Get exit status of executed programs. */ |
| 545 | |
| 546 | int |
| 547 | pex_get_status (struct pex_obj *obj, int count, int *vector) |
| 548 | { |
| 549 | if (obj->status == NULL) |
| 550 | { |
| 551 | const char *errmsg; |
| 552 | int err; |
| 553 | |
| 554 | if (!pex_get_status_and_time (obj, 0, &errmsg, &err)) |
| 555 | return 0; |
| 556 | } |
| 557 | |
| 558 | if (count > obj->count) |
| 559 | { |
| 560 | memset (vector + obj->count, 0, (count - obj->count) * sizeof (int)); |
| 561 | count = obj->count; |
| 562 | } |
| 563 | |
| 564 | memcpy (vector, obj->status, count * sizeof (int)); |
| 565 | |
| 566 | return 1; |
| 567 | } |
| 568 | |
| 569 | /* Get process times of executed programs. */ |
| 570 | |
| 571 | int |
| 572 | pex_get_times (struct pex_obj *obj, int count, struct pex_time *vector) |
| 573 | { |
| 574 | if (obj->status == NULL) |
| 575 | { |
| 576 | const char *errmsg; |
| 577 | int err; |
| 578 | |
| 579 | if (!pex_get_status_and_time (obj, 0, &errmsg, &err)) |
| 580 | return 0; |
| 581 | } |
| 582 | |
| 583 | if (obj->time == NULL) |
| 584 | return 0; |
| 585 | |
| 586 | if (count > obj->count) |
| 587 | { |
| 588 | memset (vector + obj->count, 0, |
| 589 | (count - obj->count) * sizeof (struct pex_time)); |
| 590 | count = obj->count; |
| 591 | } |
| 592 | |
| 593 | memcpy (vector, obj->time, count * sizeof (struct pex_time)); |
| 594 | |
| 595 | return 1; |
| 596 | } |
| 597 | |
| 598 | /* Free a pex_obj structure. */ |
| 599 | |
| 600 | void |
| 601 | pex_free (struct pex_obj *obj) |
| 602 | { |
| 603 | /* Close pipe file descriptors corresponding to child's stdout and |
| 604 | stderr so that the child does not hang trying to output something |
| 605 | while we're waiting for it. */ |
| 606 | if (obj->next_input >= 0 && obj->next_input != STDIN_FILE_NO) |
| 607 | obj->funcs->close (obj, obj->next_input); |
| 608 | if (obj->stderr_pipe >= 0 && obj->stderr_pipe != STDIN_FILE_NO) |
| 609 | obj->funcs->close (obj, obj->stderr_pipe); |
| 610 | if (obj->read_output != NULL) |
| 611 | fclose (obj->read_output); |
| 612 | if (obj->read_err != NULL) |
| 613 | fclose (obj->read_err); |
| 614 | |
| 615 | /* If the caller forgot to wait for the children, we do it here, to |
| 616 | avoid zombies. */ |
| 617 | if (obj->status == NULL) |
| 618 | { |
| 619 | const char *errmsg; |
| 620 | int err; |
| 621 | |
| 622 | obj->flags &= ~ PEX_RECORD_TIMES; |
| 623 | pex_get_status_and_time (obj, 1, &errmsg, &err); |
| 624 | } |
| 625 | |
| 626 | if (obj->next_input_name_allocated) |
| 627 | free (obj->next_input_name); |
| 628 | free (obj->children); |
| 629 | free (obj->status); |
| 630 | free (obj->time); |
| 631 | |
| 632 | if (obj->remove_count > 0) |
| 633 | { |
| 634 | int i; |
| 635 | |
| 636 | for (i = 0; i < obj->remove_count; ++i) |
| 637 | { |
| 638 | remove (obj->remove[i]); |
| 639 | free (obj->remove[i]); |
| 640 | } |
| 641 | free (obj->remove); |
| 642 | } |
| 643 | |
| 644 | if (obj->funcs->cleanup != NULL) |
| 645 | obj->funcs->cleanup (obj); |
| 646 | |
| 647 | free (obj); |
| 648 | } |