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74 lines
1.3 KiB
74 lines
1.3 KiB
#include <stdbool.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <syslog.h>
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#define QLOG_BUF_SIZE 512
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static const char default_tag[] = "libqrtr";
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static const char *current_tag = default_tag;
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static int min_priority = LOG_INFO;
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static bool logging_to_syslog = false;
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void qlog_setup(const char *tag, bool use_syslog)
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{
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current_tag = tag;
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logging_to_syslog = use_syslog;
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openlog(tag, LOG_PID, LOG_USER);
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}
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void qlog_set_min_priority(int priority)
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{
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if (priority < LOG_EMERG || priority > LOG_DEBUG)
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return;
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min_priority = priority;
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}
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static const char *get_priority_string(int priority)
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{
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switch (priority) {
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case LOG_EMERG:
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return "EMERG";
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case LOG_ALERT:
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return "ALERT";
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case LOG_CRIT:
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return "CRIT";
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case LOG_ERR:
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return "ERROR";
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case LOG_WARNING:
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return "WARNING";
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case LOG_NOTICE:
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return "NOTICE";
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case LOG_INFO:
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return "INFO";
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case LOG_DEBUG:
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return "DEBUG";
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}
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return "";
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}
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void qlog(int priority, const char *format, ...)
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{
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va_list ap;
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if (priority > min_priority)
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return;
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va_start(ap, format);
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if (logging_to_syslog) {
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vsyslog(priority, format, ap);
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} else {
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char buf[QLOG_BUF_SIZE];
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vsnprintf(buf, QLOG_BUF_SIZE, format, ap);
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fprintf(stderr, "%s %s: %s\n",
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get_priority_string(priority), current_tag, buf);
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}
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va_end(ap);
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}
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