All file paths are handled in one configuration file

 

void system_init(const char* config_file_name , pUSR_ACCOUNT *pUsr_Acount , pUSR_INFOR *pUsr_Infor)
{
	FILE *fp = fopen(config_file_name , "r");
	char route1[100] = { 0 } , route2[100] = {0};//配置文件中两个文件的路径
	if (fp==NULL)
	{
		perror("fopen:");
		return;
	}

	fgets(route1 , 100 , fp);
	if (route1[strlen(route1) - 1] == '\n')	//避免把'\n'也放到路径中
	{
		 route1[strlen(route1)-1] = '\0';
	}

	fgets(route2 , 100 , fp);
	if (route2[strlen(route2) - 1] == '\n')
	{
		route2[strlen(route2) - 1] = '\0';
	}
	fclose(fp);

	
	FILE *fp1 = fopen(route1 , "rb");//文件路径：D:\....\usr_account.txt
	if (fp1 == NULL)
	{
		perror("fopen1:");
		return;
	}
	.....
	fclose(fp1);

	
	FILE *fp2 = fopen(route2 , "rb");//文件路径：D:\....\usr_infor.txt
	if (fp2 == NULL)
	{
		perror("fopen2:");
		return ;
	}
	....
	fclose(fp2);
}