mirror of https://github.com/libssh2/libssh2.git synced 2026-10-24 03:48:58 +03:00

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Viktor Szakats 9a0b40af73 tidy-up: version-related comments and messages

If it improves consistency across builds and sources, prefer 'greater'
or newer/later/+, prefer no 'v'/'version` prefix.

Closes #1866

2026-08-27 03:25:32 +02:00

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c, SPDX-License-Identifier, Title, Section, Source, See-also

c	SPDX-License-Identifier	Title	Section	Source	See-also
Copyright (C) The libssh2 project and its contributors.	BSD-3-Clause	libssh2_trace_sethandler	3	libssh2

NAME

libssh2_trace_sethandler - set a trace output handler

SYNOPSIS

#include <libssh2.h>

typedef void (*libssh2_trace_handler_func)(LIBSSH2_SESSION *session,
                                           void *context,
                                           const char *data,
                                           size_t length);

int libssh2_trace_sethandler(LIBSSH2_SESSION *session,
                             void *context,
                             libssh2_trace_handler_func callback);

DESCRIPTION

libssh2_trace_sethandler installs a trace output handler for your application. By default, when tracing has been switched on via a call to libssh2_trace(), all output is written to stderr. By calling this method and passing a function pointer that matches the libssh2_trace_handler_func prototype, libssh2 calls back as it generates trace output. This can be used to capture the trace output and put it into a log file or diagnostic window. This function has no effect unless libssh2 was built to support this option, and a typical "release build" might not.

context can be used to pass arbitrary user defined data back into the callback when invoked.

RETURN VALUE

0 on success, LIBSSH2_ERROR_BAD_USE if the session is invalid.

AVAILABILITY

Added in libssh2 1.2.3

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