pub.c

一个不错的POS系统

#include "pub.h"
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <ctype.h>

char g_staff_id[7];
char g_staff_name[16];
int g_staff_type;

int g_trans_id;
int g_detail_id;

/* msg:消息内容，fname:日志文件名，len:消息长度*/
int elog(char *msg,char *fname,int len)
{
	time_t curTime;
	struct tm *tblock;
	/*char buf[200];*/
	FILE *fp;
	char *pathname;
	int slen;
	char str_tm[22];
	pathname=(fname!=NULL)?fname:"msg.log";
	slen=(len)?len:strlen(msg);
	curTime=time(NULL);
	tblock=localtime(&curTime);
	strftime(str_tm,sizeof("[2002-01-01 00:00:00]"),"[%Y-%m-%d %H:%M:%S]",tblock);
/*	sprintf(buf,"\n[%s]",asctime(tblock));*/

	if ((fp=fopen(pathname,"a"))!=NULL)
	{
		/*fwrite(buf,sizeof(char),strlen(buf),fp);*/
		fwrite(str_tm,sizeof(char),strlen(str_tm),fp);
		fwrite(msg,sizeof(char),slen,fp);
		fwrite("\n",sizeof(char),strlen("\n"),fp);
		fclose(fp);
		return 0;
	}
	return -1;
}

int errlog(char *logfile,char *msg)
{
        FILE *fp;
        char *logpath=(logfile!=NULL)?logfile:"errorlog.log";
        if ((fp=fopen(logpath,"a"))!=NULL) {
                /*fputs(str_tm, fp);*/
                fputs(msg, fp);
                fputs("\n", fp);
                fclose(fp);
                return 0;
        }
        return -1;
}

/* 去除右空格 */
void rtrim(char *str)
{
        int len;
        char *p;
        len = strlen(str);
        p= str+len-1;
        while(isspace(*p)) *p--='\0';
}