/usr/include/git2/trace.h is in libgit2-dev 0.25.1+really0.24.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_git_trace_h__
#define INCLUDE_git_trace_h__
#include "common.h"
#include "types.h"
/**
* @file git2/trace.h
* @brief Git tracing configuration routines
* @defgroup git_trace Git tracing configuration routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Available tracing levels. When tracing is set to a particular level,
* callers will be provided tracing at the given level and all lower levels.
*/
typedef enum {
/** No tracing will be performed. */
GIT_TRACE_NONE = 0,
/** Severe errors that may impact the program's execution */
GIT_TRACE_FATAL = 1,
/** Errors that do not impact the program's execution */
GIT_TRACE_ERROR = 2,
/** Warnings that suggest abnormal data */
GIT_TRACE_WARN = 3,
/** Informational messages about program execution */
GIT_TRACE_INFO = 4,
/** Detailed data that allows for debugging */
GIT_TRACE_DEBUG = 5,
/** Exceptionally detailed debugging data */
GIT_TRACE_TRACE = 6
} git_trace_level_t;
/**
* An instance for a tracing function
*/
typedef void (*git_trace_callback)(git_trace_level_t level, const char *msg);
/**
* Sets the system tracing configuration to the specified level with the
* specified callback. When system events occur at a level equal to, or
* lower than, the given level they will be reported to the given callback.
*
* @param level Level to set tracing to
* @param cb Function to call with trace data
* @return 0 or an error code
*/
GIT_EXTERN(int) git_trace_set(git_trace_level_t level, git_trace_callback cb);
/** @} */
GIT_END_DECL
#endif
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