hush/archival/libarchive/seek_by_read.c

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/* vi: set sw=4 ts=4: */
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/*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
#include "bb_archive.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(int fd, off_t amount)
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{
if (amount)
bb_copyfd_exact_size(fd, -1, amount);
}