116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/* debug.h - debug/log management.
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*
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* Copyright (C) 2021-2023 Bruno Raoult ("br")
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* Licensed under the GNU General Public License v3.0 or later.
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* Some rights reserved. See COPYING.
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*
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* You should have received a copy of the GNU General Public License along with this
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* program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
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*
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*/
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#ifndef DEBUG_H
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#define DEBUG_H
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <br.h>
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#define NANOSEC 1000000000 /* nano sec in sec */
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#define MILLISEC 1000000 /* milli sec in sec */
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#define _printf __attribute__ ((format (printf, 6, 7)))
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#ifdef DEBUG_DEBUG
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void debug_init(int level, FILE *stream, bool flush);
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void debug_level_set(int level);
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int debug_level_get(void);
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void debug_stream_set(FILE *stream);
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long long debug_timer_elapsed(void);
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void debug_flush_set(bool flush);
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void _printf debug(int level, bool timestamp,
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int indent, const char *src,
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int line, const char *fmt, ...);
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#else /* DEBUG_DEBUG */
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static inline void debug_init(__unused int level,
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__unused FILE *stream,
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__unused bool flush) {}
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static inline void debug_level_set(__unused int level) {}
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static inline int debug_level_get(void) {return 0;}
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static inline void debug_stream_set(__unused FILE *stream) {}
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static inline long long debug_timer_elapsed(void) {return 0LL;}
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static inline void debug_flush_set(__unused bool level) {}
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static inline void _printf debug(__unused int level, __unused bool timestamp,
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__unused int indent, __unused const char *src,
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__unused int line, __unused const char *fmt, ...) {}
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#endif /* DEBUG_DEBUG */
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#undef _printf
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/**
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* log - simple log (no function name, no indent, no timestamp)
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* @level: log level
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* @fmt: printf format string
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* @args: subsequent arguments to printf
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*/
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#define log(level, fmt, args...) \
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debug((level), false, 0, NULL, 0, fmt, ##args)
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/**
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* log_i - log with indent (no function name, no timestamp)
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* @level: log level
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* @fmt: printf format string
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* @args: subsequent arguments to printf
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*
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* Output example:
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* >>>>val=2
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*/
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#define log_i(level, fmt, args...) \
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debug((level), false, (level), NULL, 0, fmt, ##args)
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/**
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* log_f - log with function name (no indent name, no timestamp)
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* @level: log level
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* @fmt: printf format string
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* @args: subsequent arguments to printf
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*
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* Output example:
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* [function] val=2
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*/
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#define log_f(level, fmt, args...) \
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debug((level), false, 0, __func__, 0, fmt, ##args)
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/**
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* log_if - log with function name and line number (no indent name, no timestamp)
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* @level: log level
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* @fmt: printf format string
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* @args: subsequent arguments to printf
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*
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* Output example:
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* >>>> [function:15] val=2
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*/
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#define log_if(level, fmt, args...) \
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debug((level), false, (level), __func__, __LINE__, fmt, ##args)
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/**
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* log_it - log with function name, line number, indent, and timestamp
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* @level: log level
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* @fmt: printf format string
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* @args: subsequent arguments to printf
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*
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* Output example:
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* >>>> [function:15] val=2
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*/
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#define log_it(level, fmt, args...) \
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debug((level), true, (level), __func__, __LINE__, fmt, ##args)
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#endif /* DEBUG_H */
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