klish/faux/log/log.c

/** @file log.c
 * @brief Helpers for logging
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */

#include <assert.h>
#include <syslog.h>

#include "faux/str.h"
#include "faux/log.h"

static struct {
	const char *name;
	int facility;
} log_names[] = {
	{ "local0", LOG_LOCAL0 },
	{ "local1", LOG_LOCAL1 },
	{ "local2", LOG_LOCAL2 },
	{ "local3", LOG_LOCAL3 },
	{ "local4", LOG_LOCAL4 },
	{ "local5", LOG_LOCAL5 },
	{ "local6", LOG_LOCAL6 },
	{ "local7", LOG_LOCAL7 },
	{ "auth", LOG_AUTH },
#ifdef LOG_AUTHPRIV
	{ "authpriv", LOG_AUTHPRIV },
#endif
	{ "cron", LOG_CRON },
	{ "daemon", LOG_DAEMON },
#ifdef LOG_FTP
	{ "ftp", LOG_FTP },
#endif
	{ "kern", LOG_KERN },
	{ "lpr", LOG_LPR },
	{ "mail", LOG_MAIL },
	{ "news", LOG_NEWS },
	{ "syslog", LOG_SYSLOG },
	{ "user", LOG_USER },
	{ "uucp", LOG_UUCP },
	{ NULL, 0 }, // end of list
};

/** @brief Parses syslog facility string and returns the facility id.
 *
 * Gets syslog facility string, parse it and finds out the facility
 * id in digital form. Usefull config or command line options parsing.
 *
 * @param [in] str Facility string.
 * @param [out] facility Facility in digital form.
 * @returns 0 - success, < 0 - parsing error
 */
int faux_log_facility(const char *str, int *facility) {

	int i;
	assert(facility);
	assert(str);
	if (!str || !facility)
		return -1;
	for (i = 0; log_names[i].name; i++) {
		if (faux_str_casecmp(str, log_names[i].name) == 0) {
			*facility = log_names[i].facility;
			return 0;
		}
	}

	return -1;
}