fs.c

这是个重量级的东西

/*
	fs.c copyrigh by robin @2004.6.30
*/

// fs /p

#include "string.h"
#include "txstdio.h"
#include "..\txlib\txlib.h"
#include "..\file\file.h"
#include "..\file\fat.h"


#define printf kprintf

extern VOL SysVolume[] ;
extern char strHelp[];

void FileSystemUsage()
{
	printf("Usage : fs [/a],[/help]\n");
	printf("    a    : show all the file system infomation.\n");
	printf("    help : show how to use fs.\n");
}

int FileSystem(int argc,char ** argv)
{
	int i = 0;

	DWORD dwAll = 0;
	DWORD dwHelpFlag = 0;
	for( i = 1 ; i < argc ; i++)
	{
		if(argv[i][0] == '-' || argv[i][0] == '/')
		{
			if(argv[i][1] == 'a' || argv[i][1] == 'A')
				dwAll = 1;
			else if(argv[i][1] == 'h' || argv[i][1] == 'H')
			{
				upcase(argv[i]);
				if(strcmp(&(argv[i][1]),strHelp) == 0) dwHelpFlag = 1;
				else {
					printf("some file system parameter invalid,check it out!");
					return 0;
				}
			}
		}
		else{
			printf("some file system parameter invalid,check it out!");
			return 0;
		}
	}

	if( argc == 1 ) {
		FileSystemUsage();
		return 1;
	}
	if(dwAll == 1)
	{
		for ( i = 0 ; i < 8 && SysVolume[i].dwVolType != 0 ; i++)
		{
			printf("Device name : %s ",SysVolume[i].strName);
			printf("Device ID   : 0x%02x  ", SysVolume[i].dwDevID);
			printf("Volume type : 0x%02x\n",(SysVolume[i].dwVolType) & 0xff);
			printf("Volume Start: 0x%08x  ", SysVolume[i].dwStartSector);
			printf("Volume Total: 0x%08x\n", SysVolume[i].dwVolumeTotSec);

			printf("Volume parameter block :\n\t Total : 0x%08x , Secperclus : %4d \n\tData region : 0x%08x ,Clustor : 0x%08x\n\n",
				((PFATPB)(SysVolume[i].dwVolParam))->dwTotSec,
				((PFATPB)(SysVolume[i].dwVolParam))->dwSecPerClus,
				((PFATPB)(SysVolume[i].dwVolParam))->dwDataSec,
				((PFATPB)(SysVolume[i].dwVolParam))->dwCountofClusters
				);
		}

		return 1;
	}
	return 1;
}