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最新推荐文章于 2024-06-11 10:31:58 发布

原创最新推荐文章于 2024-06-11 10:31:58 发布 · 503 阅读

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#fp #list #null #file

void LogOutMsg(char* fn,char *fmt,...)
{
time_t rawtime;
struct tm *timeinfo;

time(&rawtime);
timeinfo = localtime(&rawtime);

char curTime[256] = {0};
strftime(curTime,100,"%Y-%m-%d %H:%M:%S ",timeinfo);

char sprintf_buf[256];
char cOut[512];
va_list args;
int n=1;
va_start(args,fmt);

n = vsprintf(sprintf_buf,fmt,args);

//printf("%s>> %s\n",curTime,sprintf_buf);
sprintf(cOut,"%s>>%s\n",curTime,sprintf_buf);
va_end(args);
FILE* fp;
fp = fopen(fn,"a");
if(fp == NULL) return;
fseek(fp,0L,SEEK_END);
unsigned long fs = ftell(fp);
fseek(fp,fs,SEEK_SET);
fputs(cOut,fp);
fclose(fp);
}