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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 tarball for details.
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| 4 | */
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| 5 |
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| 6 | #include "libbb.h"
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| 7 | #include "unarchive.h"
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| 8 |
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| 9 | void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount)
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| 10 | {
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| 11 | if (lseek(archive_handle->src_fd, (off_t) amount, SEEK_CUR) == (off_t) -1) {
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| 12 | #if ENABLE_FEATURE_UNARCHIVE_TAPE
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| 13 | if (errno == ESPIPE) {
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| 14 | seek_by_read(archive_handle, amount);
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| 15 | } else
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| 16 | #endif
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| 17 | bb_perror_msg_and_die("seek failure");
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| 18 | }
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| 19 | }
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