log.c

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#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
 
#include "../include/tmj.h"
 
#define LOGMSG_BUFSIZE 1024
 
bool log_debug = false;
void (*log_callback)(tmj_log_priority, const char*) = NULL;
 
char logmsg_buf[LOGMSG_BUFSIZE];
 
void tmj_log_regcb(bool debug, void (*callback)(tmj_log_priority, const char*)) {
    log_debug = debug;
    log_callback = callback;
}
 
void logmsg(tmj_log_priority priority, char* msg, ...) {
    // Don't bother logging if there's no callback registered
    if (log_callback == NULL) {
        return;
    }
 
    // Don't log debug messages if we have debugging turned off
    if (priority == TMJ_LOG_DEBUG && !log_debug) {
        return;
    }
 
    va_list args;
 
    va_start(args, msg);
 
    vsnprintf(logmsg_buf, LOGMSG_BUFSIZE, msg, args); // NOLINT(clang-analyzer-valist.Uninitialized)
 
    va_end(args);
 
    log_callback(priority, logmsg_buf);
}