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/* Licensed under LGPLv2.1+ - see LICENSE file for details */
#ifndef CCAN_PR_LOG_H_
#define CCAN_PR_LOG_H_
#include <stdbool.h>
#include <ccan/compiler/compiler.h>
/*
* pr_emerg, pr_alert, pr_crit, pr_error, pr_warn, pr_notice, pr_info, pr_debug
*
* Each of these prints a format string only in the case where we're running at
* the selected debug level.
*
* Note that using these functions also causes a pre-pended log level to be
* included in the printed string.
*
* Log levels correspond to those used in syslog(3) .
*/
#define pr_emerg(...) pr_log_(LOG_EMERG __VA_ARGS__)
#define pr_alert(...) pr_log_(LOG_ALERT __VA_ARGS__)
#define pr_crit(...) pr_log_(LOG_CRIT __VA_ARGS__)
#define pr_error(...) pr_log_(LOG_ERROR __VA_ARGS__)
#define pr_warn(...) pr_log_(LOG_WARN __VA_ARGS__)
#define pr_notice(...) pr_log_(LOG_NOTICE __VA_ARGS__)
#define pr_info(...) pr_log_(LOG_INFO __VA_ARGS__)
#define pr_debug(...) pr_log_(LOG_DEBUG __VA_ARGS__)
#ifdef DEBUG
# define pr_devel(...) pr_debug(__VA_ARGS__)
#else
static PRINTF_FMT(1,2) inline void pr_check_printf_args(const char *fmt, ...)
{
(void)fmt;
}
# define pr_devel(...) pr_check_printf_args(__VA_ARGS__)
#endif
#ifndef CCAN_PR_LOG_DEFAULT_LEVEL
# define CCAN_PR_LOG_DEFAULT_LEVEL 6
#endif
#define LOG_EMERG "<0>"
#define LOG_ALERT "<1>"
#define LOG_CRIT "<2>"
#define LOG_ERROR "<3>"
#define LOG_WARN "<4>"
#define LOG_NOTICE "<5>"
#define LOG_INFO "<6>"
#define LOG_DEBUG "<7>"
#ifndef CCAN_PR_LOG_DISABLE
/**
* pr_log_ - print output based on the given logging level
*
* Example:
*
* pr_log_(LOG_EMERG "something went terribly wrong\n");
* pr_log_(LOG_DEBUG "everything is fine\n");
*/
void PRINTF_FMT(1,2) pr_log_(char const *fmt, ...);
bool debug_is(int lvl);
int debug_level(void);
#else
static PRINTF_FMT(1,2) inline void pr_log_(char const *fmt, ...)
{
(void)fmt;
}
static inline bool debug_is(int lvl) { (void)lvl; return false; }
static inline int debug_level(void) { return -1; }
#endif
#endif
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