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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/doc/crypto/BIO_s_null.pod | |
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Diffstat (limited to 'openssl/doc/crypto/BIO_s_null.pod')
-rw-r--r-- | openssl/doc/crypto/BIO_s_null.pod | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/openssl/doc/crypto/BIO_s_null.pod b/openssl/doc/crypto/BIO_s_null.pod new file mode 100644 index 000000000..e5514f723 --- /dev/null +++ b/openssl/doc/crypto/BIO_s_null.pod @@ -0,0 +1,37 @@ +=pod + +=head1 NAME + +BIO_s_null - null data sink + +=head1 SYNOPSIS + + #include <openssl/bio.h> + + BIO_METHOD * BIO_s_null(void); + +=head1 DESCRIPTION + +BIO_s_null() returns the null sink BIO method. Data written to +the null sink is discarded, reads return EOF. + +=head1 NOTES + +A null sink BIO behaves in a similar manner to the Unix /dev/null +device. + +A null bio can be placed on the end of a chain to discard any data +passed through it. + +A null sink is useful if, for example, an application wishes to digest some +data by writing through a digest bio but not send the digested data anywhere. +Since a BIO chain must normally include a source/sink BIO this can be achieved +by adding a null sink BIO to the end of the chain + +=head1 RETURN VALUES + +BIO_s_null() returns the null sink BIO method. + +=head1 SEE ALSO + +TBA |