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Improve documentation of BIO_FLAGS_BASE64_NO_NL flag.

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Fixes #12491.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17744)
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Daniel 2022-02-21 13:25:25 +01:00 committed by Tomas Mraz
parent d71151ae70
commit 8bfb7506d2
1 changed files with 16 additions and 3 deletions
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19
doc/man3/BIO_f_base64.pod
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@ -21,13 +21,26 @@ any data read through it.
Base64 BIOs do not support BIO_gets() or BIO_puts().
For writing, output is by default divided to lines of length 64
characters and there is always a newline at the end of output.
For reading, first line should be at most 1024
characters long. If it is longer then it is ignored completely.
Other input lines can be of any length. There must be a newline
at the end of input.
This behavior can be changed with BIO_FLAGS_BASE64_NO_NL flag.
BIO_flush() on a base64 BIO that is being written through is
used to signal that no more data is to be encoded: this is used
to flush the final block through the BIO.
The flag BIO_FLAGS_BASE64_NO_NL can be set with BIO_set_flags()
to encode the data all on one line or expect the data to be all
on one line.
The flag BIO_FLAGS_BASE64_NO_NL can be set with BIO_set_flags().
For writing, it causes all data to be written on one line without
newline at the end.
For reading, it forces the decoder to process the data regardless
of newlines. All newlines are ignored and the input does not need
to contain any newline at all.
=head1 NOTES