log

log for C/C++ project, by wrapper and enhance printf.

Features

• One header file
• Colors on Unix
• Print filename and lines automatically
• Line feed with \n, or \r\n with L_O_G_LINE_END_CRLF
• Ignores LOGD in release mode
• Support thread safe and thread id
• Support DateTime

Usage

example

#include "log.h"

int main() {
  LOG("log");
  LOGT("T", "msg with tag");
  LOGD("debug");
  LOGI("info");
  LOGW("warn");
  LOGE("error");
  LOGF("fatal");
  [] { LOGE("in lambda"); }();
  return 0;
}

Output:

2023-09-14 23:32:23.197 229765 [*]: example.cpp:4 log
2023-09-14 23:32:23.198 229765 [T]: example.cpp:5 msg with tag
2023-09-14 23:32:23.198 229765 [D]: example.cpp:6 debug
2023-09-14 23:32:23.198 229765 [I]: example.cpp:7 info
2023-09-14 23:32:23.198 229765 [W]: example.cpp:8 [main] warn
2023-09-14 23:32:23.198 229765 [E]: example.cpp:9 [main] error
2023-09-14 23:32:23.198 229765 [!]: example.cpp:10 [main] fatal
2023-09-14 23:32:23.198 229765 [V]: example.cpp:11 verbose
2023-09-14 23:32:23.198 229765 [E]: example.cpp:12 [operator()] in lambda