c语言怎么写log日志

发布网友发布时间：2022-04-21 08:30

共1个回答

热心网友时间：2023-06-20 13:10

灞曞紑鍏ㄩ儴#include <stdio.h>
#include <stdarg.h>
#include <time.h>

int write_log (FILE* pFile, const char *format, ...) {
    va_list arg;
    int done;

    va_start (arg, format);
    //done = vfprintf (stdout, format, arg);

    time_t time_log = time(NULL);
    struct tm* tm_log = localtime(&time_log);
    fprintf(pFile, "%04d-%02d-%02d %02d:%02d:%02d ", tm_log->tm_year + 1900, tm_log->tm_mon + 1, tm_log->tm_mday, tm_log->tm_hour, tm_log->tm_min, tm_log->tm_sec);

    done = vfprintf (pFile, format, arg);
    va_end (arg);

    fflush(pFile);
    return done;
}

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