48 lines
1.6 KiB
Groff
48 lines
1.6 KiB
Groff
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.\" Copyright (C) Daniel Stenberg
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.\" SPDX-License-Identifier: BSD-3-Clause
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.TH libssh2_knownhost_writeline 3 "28 May 2009" "libssh2" "libssh2"
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.SH NAME
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libssh2_knownhost_writeline - convert a known host to a line for storage
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.SH SYNOPSIS
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.nf
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#include <libssh2.h>
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int
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libssh2_knownhost_writeline(LIBSSH2_KNOWNHOSTS *hosts,
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struct libssh2_knownhost *known,
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char *buffer, size_t buflen,
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size_t *outlen,
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int type);
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.fi
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.SH DESCRIPTION
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Converts a single known host to a single line of output for storage, using
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the 'type' output format.
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\fIknown\fP identifies which particular known host
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\fIbuffer\fP points to an allocated buffer
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\fIbuflen\fP is the size of the \fIbuffer\fP. See RETURN VALUE about the size.
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\fIoutlen\fP must be a pointer to a size_t variable that will get the output
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length of the stored data chunk. The number does not included the trailing
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zero!
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\fItype\fP specifies what file type it is, and
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\fILIBSSH2_KNOWNHOST_FILE_OPENSSH\fP is the only currently supported
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format.
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.SH RETURN VALUE
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Returns a regular libssh2 error code, where negative values are error codes
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and 0 indicates success.
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If the provided buffer is deemed too small to fit the data libssh2 wants to
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store in it, LIBSSH2_ERROR_BUFFER_TOO_SMALL will be returned. The application
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is then advised to call the function again with a larger buffer. The
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\fIoutlen\fP size will then hold the requested size.
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.SH AVAILABILITY
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Added in libssh2 1.2
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.SH SEE ALSO
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.BR libssh2_knownhost_get(3)
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.BR libssh2_knownhost_readline(3)
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.BR libssh2_knownhost_writefile(3)
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