| 351 | } |
| 352 | |
| 353 | int read(void *buf, int len) |
| 354 | { |
| 355 | if(reading < 0 || !buf || !len) return 0; |
| 356 | if(!info->compressedsize) |
| 357 | { |
| 358 | if(arch->owner != this) |
| 359 | { |
| 360 | arch->owner = NULL; |
| 361 | if(!arch->data->seek(reading, SEEK_SET)) { stopreading(); return 0; } |
| 362 | arch->owner = this; |
| 363 | } |
| 364 | |
| 365 | int n = (int)arch->data->read(buf, min(len, int(info->size + info->offset - reading))); |
| 366 | reading += n; |
| 367 | if(n < len) ended = true; |
| 368 | return n; |
| 369 | } |
| 370 | |
| 371 | zfile.next_out = (Bytef *)buf; |
| 372 | zfile.avail_out = len; |
| 373 | while(zfile.avail_out > 0) |
| 374 | { |
| 375 | if(!zfile.avail_in) readbuf(BUFSIZE); |
| 376 | int err = inflate(&zfile, Z_NO_FLUSH); |
| 377 | if(err != Z_OK) |
| 378 | { |
| 379 | if(err == Z_STREAM_END) ended = true; |
| 380 | else |
| 381 | { |
| 382 | #ifndef STANDALONE |
| 383 | if(dbgzip) conoutf("inflate error: %s", zError(err)); |
| 384 | #endif |
| 385 | stopreading(); |
| 386 | } |
| 387 | break; |
| 388 | } |
| 389 | } |
| 390 | return len - zfile.avail_out; |
| 391 | } |
| 392 | }; |
| 393 | |
| 394 | // manage zips as part of the AC virtual filesystem |
no test coverage detected