hush/archival/libunarchive/seek_by_read.c

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/* vi: set sw=4 ts=4: */
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/*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include "unarchive.h"
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/* If we are reading through a pipe, or from stdin then we can't lseek,
* we must read and discard the data to skip over it.
*/
void FAST_FUNC seek_by_read(const archive_handle_t *archive_handle, unsigned jump_size)
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{
if (jump_size)
bb_copyfd_exact_size(archive_handle->src_fd, -1, jump_size);
}