#include #include const char g_path[] = "logs/zf_log.txt"; static FILE *g_f; static void output_callback(const zf_log_message* msg, void* arg) { *msg->p = '\n'; fwrite(msg->buf, msg->p - msg->buf + 1, 1, g_f); } int main(int, char* []) { g_f = fopen(g_path, "wb"); if (!g_f) { ZF_LOGE_AUX(ZF_LOG_STDERR, "Failed to open log file: %s", g_path); return -1; } ZF_LOG_DEFINE_GLOBAL_OUTPUT = {ZF_LOG_PUT_STD, nullptr, &output_callback}; const int howmany = 1000000; for(int i = 0 ; i < howmany; ++i) ZF_LOGI("zf_log message #%i: This is some text for your pleasure", i); fclose(g_f); return 0; }