| 1 | =head1 NAME
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| 2 |
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| 3 | TPMLIB_SetBufferSize - Set the TPM's I/O buffer size
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| 4 |
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| 5 | =head1 LIBRARY
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| 6 |
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| 7 | TPM library (libtpms, -ltpms)
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| 8 |
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| 9 | =head1 SYNOPSIS
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| 10 |
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| 11 | B<#include <libtpms/tpm_library.h>>
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| 12 |
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| 13 | B<uint32_t TPMLIB_SetBufferSize(uint32_t, uint32_t *, uint32_t *);>
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| 14 |
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| 15 | =head1 DESCRIPTION
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| 16 |
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| 17 | The B<TPMLIB_SetBufferSize()> function sets the size of the buffer
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| 18 | the TPM can use for input and output and that it advertises to users.
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| 19 | It also allows to get the minimum and maximum supported buffer
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| 20 | size.
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| 21 |
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| 22 | If 0 is given on input, the currently used buffer size is returned.
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| 23 | Any other number will try to change the buffer size. The returned
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| 24 | size may be smaller than the requested one, if the requested one was
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| 25 | above a maximum. The returned size may be larger than the requested
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| 26 | one, if the requested one was below a minimum.
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| 27 |
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| 28 | This function must be called after B<TPMLIB_ChooseTPMVersion()> has
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| 29 | been called. It should not be called after B<TPMLIB_MainInit()> has
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| 30 | been called but can again be called once B<TPMLIB_Terminate()> has
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| 31 | been called.
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| 32 |
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| 33 | =head1 SEE ALSO
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| 34 |
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| 35 | B<TPMLIB_ChooseTPMVersion>(3), B<TPMLIB_MainInit>(3), B<TPMLIB_Terminate>(3)
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| 36 |
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| 37 | =cut
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