libmctp/log.c at master · CodeConstruct/libmctp · GitHub

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/* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */

#include<stdarg.h>

#include"libmctp.h"
#include"libmctp-log.h"

#ifdefHAVE_CONFIG_H
#include"config.h"
#endif

#ifdefMCTP_HAVE_STDIO
#include<stdio.h>
#endif

#ifdefMCTP_HAVE_SYSLOG
#include<syslog.h>
#endif

enum {
MCTP_LOG_NONE,
MCTP_LOG_STDIO,
MCTP_LOG_SYSLOG,
MCTP_LOG_CUSTOM,
} log_type=MCTP_LOG_NONE;

staticintlog_stdio_level;
staticvoid (*log_custom_fn)(int, constchar*, va_list);

voidmctp_prlog(intlevel, constchar*fmt, ...)
{
va_listap;

va_start(ap, fmt);

switch (log_type) {
caseMCTP_LOG_NONE:
break;
caseMCTP_LOG_STDIO:
#ifdefMCTP_HAVE_STDIO
if (level <= log_stdio_level) {
vfprintf(stderr, fmt, ap);
fputs("\n", stderr);
 }
#endif
break;
caseMCTP_LOG_SYSLOG:
#ifdefMCTP_HAVE_SYSLOG
vsyslog(level, fmt, ap);
#endif
break;
caseMCTP_LOG_CUSTOM:
log_custom_fn(level, fmt, ap);
break;
	}

va_end(ap);
}

voidmctp_set_log_stdio(intlevel)
{
log_type=MCTP_LOG_STDIO;
log_stdio_level=level;
}

voidmctp_set_log_syslog(void)
{
log_type=MCTP_LOG_SYSLOG;
}

voidmctp_set_log_custom(void (*fn)(int, constchar*, va_list))
{
log_type=MCTP_LOG_CUSTOM;
log_custom_fn=fn;
}