Last change
on this file since 3412 was 2725, checked in by Bruno Cornec, 13 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
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-
Property svn:eol-style
set to
native
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File size:
981 bytes
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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4 | */
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5 |
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6 | #include "libbb.h"
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7 | #include "archive.h"
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8 |
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9 | char FAST_FUNC get_header_tar_gz(archive_handle_t *archive_handle)
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10 | {
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11 | #if BB_MMU
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12 | unsigned char magic[2];
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13 | #endif
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14 |
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15 | /* Can't lseek over pipes */
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16 | archive_handle->seek = seek_by_read;
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17 |
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18 | /* Check gzip magic only if open_transformer will invoke unpack_gz_stream (MMU case).
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19 | * Otherwise, it will invoke an external helper "gunzip -cf" (NOMMU case) which will
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20 | * need the header. */
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21 | #if BB_MMU
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22 | xread(archive_handle->src_fd, &magic, 2);
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23 | /* Can skip this check, but error message will be less clear */
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24 | if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
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25 | bb_error_msg_and_die("invalid gzip magic");
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26 | }
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27 | #endif
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28 |
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29 | open_transformer(archive_handle->src_fd, unpack_gz_stream, "gunzip");
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30 | archive_handle->offset = 0;
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31 | while (get_header_tar(archive_handle) == EXIT_SUCCESS)
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32 | continue;
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33 |
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34 | /* Can only do one file at a time */
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35 | return EXIT_FAILURE;
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36 | }
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