| 641 | } |
| 642 | |
| 643 | static char * |
| 644 | decompress_file(const char *filename) |
| 645 | { |
| 646 | char *buffer = NULL; |
| 647 | #if HAVE_BZLIB_H |
| 648 | int rc = 0; |
| 649 | size_t length = 0, read_len = 0; |
| 650 | |
| 651 | BZFILE *bz_file = NULL; |
| 652 | FILE *input = fopen(filename, "r"); |
| 653 | |
| 654 | if(input == NULL) { |
| 655 | crm_perror(LOG_ERR,"Could not open %s for reading", filename); |
| 656 | return NULL; |
| 657 | } |
| 658 | |
| 659 | bz_file = BZ2_bzReadOpen(&rc, input, 0, 0, NULL, 0); |
| 660 | |
| 661 | if ( rc != BZ_OK ) { |
| 662 | BZ2_bzReadClose ( &rc, bz_file); |
| 663 | return NULL; |
| 664 | } |
| 665 | |
| 666 | rc = BZ_OK; |
| 667 | while ( rc == BZ_OK ) { |
| 668 | buffer = realloc(buffer, XML_BUFFER_SIZE + length + 1); |
| 669 | read_len = BZ2_bzRead ( |
| 670 | &rc, bz_file, buffer + length, XML_BUFFER_SIZE); |
| 671 | |
| 672 | crm_trace("Read %ld bytes from file: %d", |
| 673 | (long)read_len, rc); |
| 674 | |
| 675 | if ( rc == BZ_OK || rc == BZ_STREAM_END) { |
| 676 | length += read_len; |
| 677 | } |
| 678 | } |
| 679 | |
| 680 | buffer[length] = '\0'; |
| 681 | read_len = length; |
| 682 | |
| 683 | if ( rc != BZ_STREAM_END ) { |
| 684 | crm_err("Couldnt read compressed xml from file"); |
| 685 | free(buffer); |
| 686 | buffer = NULL; |
| 687 | } |
| 688 | |
| 689 | BZ2_bzReadClose (&rc, bz_file); |
| 690 | fclose(input); |
| 691 | |
| 692 | #else |
| 693 | crm_err("Cannot read compressed files:" |
| 694 | " bzlib was not available at compile time"); |
| 695 | #endif |
| 696 | return buffer; |
| 697 | } |
| 698 | |
| 699 | void strip_text_nodes(xmlNode *xml) |
| 700 | { |