… | |
… | |
303 | |
303 | |
304 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
304 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
305 | |
305 | |
306 | PROTOTYPES: ENABLE |
306 | PROTOTYPES: ENABLE |
307 | |
307 | |
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308 | void |
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309 | _exit (int code) |
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310 | |
308 | # calculate the common prefix length of two strings |
311 | # calculate the common prefix length of two strings |
309 | # missing function in perl. really :) |
312 | # missing function in perl. really :) |
310 | int |
313 | int |
311 | common_prefix_length (a, b) |
314 | common_prefix_length (a, b) |
312 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
315 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
… | |
… | |
418 | CODE: |
421 | CODE: |
419 | { |
422 | { |
420 | STRLEN data_len; |
423 | STRLEN data_len; |
421 | U8 *data = SvPVbyte (image_data, data_len); |
424 | U8 *data = SvPVbyte (image_data, data_len); |
422 | static const unsigned char jxl_header[] = { |
425 | static const unsigned char jxl_header[] = { |
423 | 0, 0, 0, 0x0c, 0x4a, 0x58, 0x4c, 0x20, |
426 | 0, 0, 0, 0x0c, 0x4a, 0x58, 0x4c, 0x20, 0x0d, 0xa, 0x87, 0x0a |
424 | 0x0d, 0xa, 0x87, 0x0a, 0, 0, 0, 0x14, |
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425 | 0x66, 0x74, 0x79, 0x70, 0x6a, 0x78, 0x6c, 0x20, |
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426 | 0, 0, 0, 0, 0x6a, 0x78, 0x6c, 0x20, |
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427 | }; |
427 | }; |
428 | |
428 | |
429 | if (data_len >= 20 |
429 | if (data_len >= 20 |
430 | && data[0] == 0xff |
430 | && data[0] == 0xff |
431 | && data[1] == 0xd8 |
431 | && data[1] == 0xd8 |
… | |
… | |
450 | && data[ 5] == 0x0a |
450 | && data[ 5] == 0x0a |
451 | && data[ 6] == 0x1a |
451 | && data[ 6] == 0x1a |
452 | && data[ 7] == 0x0a) |
452 | && data[ 7] == 0x0a) |
453 | RETVAL = "image/png"; |
453 | RETVAL = "image/png"; |
454 | else if (data_len >= sizeof (jxl_header) && memcmp (data, jxl_header, sizeof (jxl_header)) == 0) |
454 | else if (data_len >= sizeof (jxl_header) && memcmp (data, jxl_header, sizeof (jxl_header)) == 0) |
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455 | RETVAL = "image/jxl"; // todo: might want to use JxlSignatureCheck |
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456 | else if (data_len >= 2 |
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457 | && data[0] == 0xff |
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458 | && data[1] == 0x0a) |
455 | RETVAL = "image/jxl"; |
459 | RETVAL = "image/jxl"; |
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460 | else if (data_len >= 13 |
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461 | && data[0] == 'G' |
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462 | && data[1] == 'I' |
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463 | && data[2] == 'F' |
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464 | && data[3] == '8' |
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465 | //&& (data[4] == '7' || data[4] == '9') |
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466 | && data[5] == 'a') |
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467 | { |
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468 | RETVAL = "image/gif"; |
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469 | |
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470 | // now see if its animated - we require the netscape application header for this |
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471 | int ofs = 13; |
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472 | |
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473 | if (data[10] & 0x80) |
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474 | ofs += (1 << ((data[10] & 7) + 1)) * 3; |
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475 | |
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476 | if (data_len >= ofs + 2 + 1 + 11) |
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477 | { |
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478 | |
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479 | // skip a graphic control extension block. we assume |
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480 | // there is at most one such block - while the NAB |
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481 | // has to come firstz, some files do not obey this |
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482 | if (data[ofs] == 0x21 && data[ofs + 1] == 0xf9) |
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483 | ofs += 3 + data[ofs + 2] + 1; |
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484 | |
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485 | if (data_len >= ofs + 2 + 1 + 11) |
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486 | if (!memcmp (data + ofs, "\x21\xff\x0bNETSCAPE2.0", sizeof ("\x21\xff\x0bNETSCAPE2.0") - 1)) |
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487 | RETVAL = "video/gif"; |
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488 | } |
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489 | } |
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490 | else if (data_len >= 0x8000 + 6 |
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491 | && data[0x8000+1] == (U8)'B' |
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492 | && data[0x8000+2] == (U8)'E' |
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493 | && data[0x8000+3] == (U8)'A' |
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494 | && data[0x8000+4] == (U8)'0' |
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495 | && data[0x8000+5] == (U8)'1') |
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496 | RETVAL = "video/iso-bluray"; |
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497 | else if (data_len >= 0x8000 + 6 |
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498 | && data[0x8000+1] == (U8)'C' |
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499 | && data[0x8000+2] == (U8)'D' |
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500 | && data[0x8000+3] == (U8)'0' |
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501 | && data[0x8000+4] == (U8)'0' |
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502 | && data[0x8000+5] == (U8)'1') |
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503 | RETVAL = "video/iso9660"; |
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504 | |
456 | else |
505 | else |
457 | XSRETURN_UNDEF; |
506 | XSRETURN_UNDEF; |
458 | } |
507 | } |
459 | OUTPUT: |
508 | OUTPUT: |
460 | RETVAL |
509 | RETVAL |
… | |
… | |
551 | GdkPixbuf_noinc * |
600 | GdkPixbuf_noinc * |
552 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
601 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
553 | CODE: |
602 | CODE: |
554 | { |
603 | { |
555 | #if JXL |
604 | #if JXL |
556 | JxlDecoder *dec = JxlDecoderCreate (0); |
605 | JxlDecoder *dec; |
557 | JxlBasicInfo info; |
606 | JxlBasicInfo info; |
558 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
607 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
559 | size_t avail_in = SvCUR (image_data); |
608 | size_t avail_in = SvCUR (image_data); |
560 | const char *error = 0; |
609 | const char *error = 0; |
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610 | JxlDecoderStatus status; |
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611 | static void *runner_cache; |
561 | void *runner = 0; |
612 | void *runner = 0; |
562 | struct bmff_box box; |
613 | |
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614 | RETVAL = 0; |
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615 | |
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616 | if (runner_cache) |
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617 | runner = runner_cache; |
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618 | else |
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619 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
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620 | |
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621 | runner_cache = 0; |
563 | |
622 | |
564 | perlinterp_release (); |
623 | perlinterp_release (); |
565 | |
624 | |
566 | RETVAL = 0; |
625 | dec = JxlDecoderCreate (0); |
567 | |
626 | |
568 | error = "JxlDecoderCreate failed"; |
627 | error = "JxlDecoderCreate failed"; |
569 | if (!dec) |
628 | if (!dec) |
570 | goto done; |
629 | goto done; |
571 | |
630 | |
572 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
631 | status = JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner); |
573 | |
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574 | error = "JxlDecoderSetParallelRunner failed"; |
632 | error = "JxlDecoderSetParallelRunner failed"; |
575 | if (JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner) != JXL_DEC_SUCCESS) |
633 | if (status != JXL_DEC_SUCCESS) |
576 | goto done; |
634 | goto done; |
577 | |
635 | |
578 | error = "JxlDecoderSubscribeEvents failed"; |
636 | error = "JxlDecoderSubscribeEvents failed"; |
579 | if (JxlDecoderSubscribeEvents (dec, JXL_DEC_FULL_IMAGE | 0xffc0) != JXL_DEC_SUCCESS) |
637 | status = JxlDecoderSubscribeEvents (dec, JXL_DEC_BASIC_INFO | JXL_DEC_FULL_IMAGE); |
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638 | if (status != JXL_DEC_SUCCESS) |
580 | goto done; |
639 | goto done; |
581 | |
640 | |
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641 | status = JxlDecoderSetInput (dec, next_in, avail_in); |
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642 | error = "JxlDecoderSetInput failed"; |
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643 | if (status != JXL_DEC_SUCCESS) |
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644 | goto done; |
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645 | |
582 | for (;;) |
646 | for (;;) |
583 | { |
647 | { |
584 | JxlDecoderStatus status = JxlDecoderProcessInput (dec, &next_in, &avail_in); |
648 | status = JxlDecoderProcessInput (dec); |
585 | |
649 | |
586 | printf ("status %d\n",status); |
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587 | |
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588 | switch (status) |
650 | switch (status) |
589 | { |
651 | { |
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652 | case JXL_DEC_FULL_IMAGE: |
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653 | error = 0; |
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654 | goto done; |
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655 | |
590 | case JXL_DEC_ERROR: |
656 | case JXL_DEC_ERROR: |
591 | error = "JxlDecoderProcessInput failed"; |
657 | error = "JxlDecoderProcessInput failed"; |
592 | goto done; |
658 | goto done; |
593 | |
659 | |
594 | case JXL_DEC_NEED_MORE_INPUT: |
660 | case JXL_DEC_NEED_MORE_INPUT: |
595 | error = "incomplete file"; |
661 | error = "incomplete file"; |
596 | goto done; |
662 | goto done; |
597 | |
663 | |
598 | case JXL_DEC_SUCCESS: |
664 | case JXL_DEC_SUCCESS: |
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665 | error = "incomplete decode"; |
599 | goto done; |
666 | goto done; |
600 | |
667 | |
601 | case JXL_DEC_NEED_IMAGE_OUT_BUFFER: |
668 | case JXL_DEC_BASIC_INFO: |
602 | { |
669 | { |
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670 | status = JxlDecoderGetBasicInfo (dec, &info); |
603 | error = "JxlDecoderGetBasicInfo failed"; |
671 | error = "JxlDecoderGetBasicInfo failed"; |
604 | if (JxlDecoderGetBasicInfo (dec, &info) != JXL_DEC_SUCCESS) |
672 | if (status != JXL_DEC_SUCCESS) |
605 | goto done; |
673 | goto done; |
606 | |
674 | |
607 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
675 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
608 | error = "unable to allocate pixbuf"; |
676 | error = "unable to allocate pixbuf"; |
609 | if (!RETVAL) |
677 | if (!RETVAL) |
… | |
… | |
614 | JXL_TYPE_UINT8, |
682 | JXL_TYPE_UINT8, |
615 | JXL_NATIVE_ENDIAN, |
683 | JXL_NATIVE_ENDIAN, |
616 | gdk_pixbuf_get_rowstride (RETVAL) |
684 | gdk_pixbuf_get_rowstride (RETVAL) |
617 | }; |
685 | }; |
618 | |
686 | |
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687 | // cannot use gdk_pixbuf_get_byte_length because that does |
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688 | // not return the size of the buffer, but the size of the buffer without |
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689 | // the last padding bytes. the internal buffer is rowstride * ysize, |
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690 | // and this is what the jxl decoder needs. none of this is documented |
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691 | // in either library, of course. |
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692 | |
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693 | status = JxlDecoderSetImageOutBuffer ( |
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694 | dec, |
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695 | &format, |
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696 | gdk_pixbuf_get_pixels (RETVAL), |
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697 | gdk_pixbuf_get_rowstride (RETVAL) * info.ysize |
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698 | ); |
619 | error = "JxlDecoderSetImageOutBuffer failed"; |
699 | error = "JxlDecoderSetImageOutBuffer failed"; |
620 | if (JxlDecoderSetImageOutBuffer ( |
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621 | dec, |
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622 | &format, |
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623 | gdk_pixbuf_get_pixels (RETVAL), |
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624 | gdk_pixbuf_get_byte_length (RETVAL) |
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625 | ) != JXL_DEC_SUCCESS) |
700 | if (status != JXL_DEC_SUCCESS) |
626 | goto done; |
701 | goto done; |
627 | } |
702 | } |
628 | break; |
703 | break; |
629 | |
704 | |
630 | default: |
705 | default: |
… | |
… | |
635 | |
710 | |
636 | done: |
711 | done: |
637 | if (dec) |
712 | if (dec) |
638 | JxlDecoderDestroy (dec); |
713 | JxlDecoderDestroy (dec); |
639 | |
714 | |
|
|
715 | perlinterp_acquire (); |
|
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716 | |
640 | if (runner) |
717 | if (runner_cache) |
641 | JxlThreadParallelRunnerDestroy (runner); |
718 | JxlThreadParallelRunnerDestroy (runner); |
642 | |
719 | |
643 | perlinterp_acquire (); |
720 | runner_cache = runner; |
644 | |
721 | |
645 | if (error) |
722 | if (error) |
646 | { |
723 | { |
647 | if (RETVAL) |
724 | if (RETVAL) |
648 | g_object_unref (RETVAL); |
725 | g_object_unref (RETVAL); |
649 | |
726 | |
650 | croak ("load_jxl: %s", error); |
727 | croak ("load_jxl: %s (status %d)", error, status); |
651 | } |
728 | } |
652 | #else |
729 | #else |
653 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
730 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
654 | #endif |
731 | #endif |
655 | } |
732 | } |
… | |
… | |
847 | CODE: |
924 | CODE: |
848 | { |
925 | { |
849 | STRLEN plen; |
926 | STRLEN plen; |
850 | U8 *path = (U8 *)SvPV (pathsv, plen); |
927 | U8 *path = (U8 *)SvPV (pathsv, plen); |
851 | U8 *pend = path + plen; |
928 | U8 *pend = path + plen; |
852 | U8 dst [plen * 6 * 3], *dstp = dst; |
929 | U8 dst [plen * 8 * 3], *dstp = dst; |
853 | |
930 | |
854 | while (path < pend) |
931 | while (path < pend) |
855 | { |
932 | { |
856 | U8 ch = *path; |
933 | U8 ch = *path; |
857 | |
934 | |
… | |
… | |
859 | *dstp++ = *path++; |
936 | *dstp++ = *path++; |
860 | else if (ch >= 'A' && ch <= 'Z') |
937 | else if (ch >= 'A' && ch <= 'Z') |
861 | *dstp++ = *path++ + ('a' - 'A'); |
938 | *dstp++ = *path++ + ('a' - 'A'); |
862 | else if (ch >= '0' && ch <= '9') |
939 | else if (ch >= '0' && ch <= '9') |
863 | { |
940 | { |
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941 | /* version sort, up to 8 digits */ |
864 | STRLEN el, nl = 0; |
942 | STRLEN el, nl = 0; |
865 | while (*path >= '0' && *path <= '9' && path < pend) |
943 | while (*path >= '0' && *path <= '9' && path < pend) |
866 | path++, nl++; |
944 | path++, nl++; |
867 | |
945 | |
868 | for (el = nl; el < 6; el++) |
946 | for (el = nl; el < 8; el++) |
869 | *dstp++ = '0'; |
947 | *dstp++ = '0'; |
870 | |
948 | |
871 | memcpy (dstp, path - nl, nl); |
949 | memcpy (dstp, path - nl, nl); |
872 | dstp += nl; |
950 | dstp += nl; |
873 | } |
951 | } |