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16bc6159f

Mike Frysinger

2005-06-11

FAILED Duration: 28s

Subject

DOS only crap

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No binary (build failed)

Architecture & Compiler Flags

Architecture: x86_64-linux-gnu Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0

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Build Log

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Commit Diff GitHub →

e2fsprogs/ext2fs/dosio.c +0 -456 e2fsprogs/ext2fs/dosio.h +0 -153

e2fsprogs/ext2fs/dosio.c+0 -456

@@ -1,456 +0,0 @@
-	/*
-	* dosio.c -- Disk I/O module for the ext2fs/DOS library.
-	*
-	* Copyright (c) 1997 by Theodore Ts'o.
-	*
-	* Copyright (c) 1997 Mark Habersack
-	* This file may be distributed under the terms of the GNU Public License.
-	*
-	*/
-
-	#include <stdio.h>
-	#include <bios.h>
-	#include <string.h>
-	#include <ctype.h>
-	#include <io.h>
-	#ifdef HAVE_ERRNO_H
-	#include <errno.h>
-	#endif
-
-	#include <ext2fs/ext2_types.h>
-	#include "utils.h"
-	#include "dosio.h"
-	#include "et/com_err.h"
-	#include "ext2_err.h"
-	#include "ext2fs/io.h"
-
-	/*
-	* Some helper macros
-	*/
-	#define LINUX_EXT2FS 0x83
-	#define LINUX_SWAP 0x82
-	#define WRITE_ERR(_msg_) write(2, _msg_, strlen(_msg_))
-	#define WRITE_ERR_S(_msg_) write(2, _msg_, sizeof(_msg_))
-
-	/*
-	* Exported variables
-	*/
-	unsigned long _dio_error;
-	unsigned long _dio_hw_error;
-
-	/*
-	* Array of all opened partitions
-	*/
-	static PARTITION **partitions = NULL;
-	static unsigned short npart = 0; /* Number of mapped partitions */
-	static PARTITION *active = NULL;
-
-	/*
-	* I/O Manager routine prototypes
-	*/
-	static errcode_t dos_open(const char dev, int flags, io_channel channel);
-	static errcode_t dos_close(io_channel channel);
-	static errcode_t dos_set_blksize(io_channel channel, int blksize);
-	static errcode_t dos_read_blk(io_channel channel, unsigned long block,
-	int count, void *buf);
-	static errcode_t dos_write_blk(io_channel channel, unsigned long block,
-	int count, const void *buf);
-	static errcode_t dos_flush(io_channel channel);
-
-	static struct struct_io_manager struct_dos_manager = {
-	EXT2_ET_MAGIC_IO_MANAGER,
-	"DOS I/O Manager",
-	dos_open,
-	dos_close,
-	dos_set_blksize,
-	dos_read_blk,
-	dos_write_blk,
-	dos_flush
-	};
-	io_manager dos_io_manager = &struct_dos_manager;
-
-	/*
-	* Macro taken from unix_io.c
-	*/
-	/*
-	* For checking structure magic numbers...
-	*/
-
-	#define EXT2_CHECK_MAGIC(struct, code) \
-	if ((struct)->magic != (code)) return (code)
-
-	/*
-	* Calculates a CHS address of a sector from its LBA
-	* offset for the given partition.
-	*/
-	static void lba2chs(unsigned long lba_addr, CHS chs, PARTITION part)
-	{
-	unsigned long abss;
-
-	chs->offset = lba_addr & 0x000001FF;
-	abss = (lba_addr >> 9) + part->start;
-	chs->cyl = abss / (part->sects * part->heads);
-	chs->head = (abss / part->sects) % part->heads;
-	chs->sector = (abss % part->sects) + 1;
-	}
-
-	#ifdef __TURBOC__
-	#pragma argsused
-	#endif
-	/*
-	* Scans the passed partition table looking for *pno partition
-	* that has LINUX_EXT2FS type.
-	*
-	* TODO:
-	* For partition numbers >5 Linux uses DOS extended partitions -
-	* dive into them an return an appropriate entry. Also dive into
-	* extended partitions when scanning for a first Linux/ext2fs.
-	*/
-	static PTABLE_ENTRY scan_partition_table(PTABLE_ENTRY pentry,
-	unsigned short phys,
-	unsigned char *pno)
-	{
-	unsigned i;
-
-	if(pno != 0xFF && pno >= 5)
-	return NULL; /* We don't support extended partitions for now */
-
-	if(*pno != 0xFF)
-	{
-	if(pentry[*pno].type == LINUX_EXT2FS)
-	return &pentry[*pno];
-	else
-	{
-	if(!pentry[*pno].type)
-	*pno = 0xFE;
-	else if(pentry[*pno].type == LINUX_SWAP)
-	*pno = 0xFD;
-	return NULL;
-	}
-	}
-
-	for(i = 0; i < 4; i++)
-	if(pentry[i].type == LINUX_EXT2FS)
-	{
-	*pno = i;
-	return &pentry[i];
-	}
-
-	return NULL;
-	}
-
-	/*
-	* Allocate libext2fs structures associated with I/O manager
-	*/
-	static io_channel alloc_io_channel(PARTITION *part)
-	{
-	io_channel ioch;
-
-	ioch = (io_channel)malloc(sizeof(struct struct_io_channel));
-	if (!ioch)
-	return NULL;
-	memset(ioch, 0, sizeof(struct struct_io_channel));
-	ioch->magic = EXT2_ET_MAGIC_IO_CHANNEL;
-	ioch->manager = dos_io_manager;
-	ioch->name = (char *)malloc(strlen(part->dev)+1);
-	if (!ioch->name) {
-	free(ioch);
-	return NULL;
-	}
-	strcpy(ioch->name, part->dev);
-	ioch->private_data = part;
-	ioch->block_size = 1024; /* The smallest ext2fs block size */
-	ioch->read_error = 0;
-	ioch->write_error = 0;
-
-	return ioch;
-	}
-
-	#ifdef __TURBOC__
-	#pragma argsused
-	#endif
-	/*
-	* Open the 'name' partition, initialize all information structures
-	* we need to keep and create libext2fs I/O manager.
-	*/
-	static errcode_t dos_open(const char dev, int flags, io_channel channel)
-	{
-	unsigned char *tmp, sec[512];
-	PARTITION *part;
-	PTABLE_ENTRY *pent;
-	PARTITION **newparts;
-
-	if(!dev)
-	{
-	_dio_error = ERR_BADDEV;
-	return EXT2_ET_BAD_DEVICE_NAME;
-	}
-
-	/*
-	* First check whether the dev name is OK
-	*/
-	tmp = (unsigned char*)strrchr(dev, '/');
-	if(!tmp)
-	{
-	_dio_error = ERR_BADDEV;
-	return EXT2_ET_BAD_DEVICE_NAME;
-	}
-	*tmp = 0;
-	if(strcmp(dev, "/dev"))
-	{
-	_dio_error = ERR_BADDEV;
-	return EXT2_ET_BAD_DEVICE_NAME;
-	}
-	*tmp++ = '/';
-
-	/*
-	* Check whether the partition data is already in cache
-	*/
-
-	part = (PARTITION*)malloc(sizeof(PARTITION));
-	if (!part)
-	return ENOMEM;
-	{
-	int i = 0;
-
-	for(;i < npart; i++)
-	if(!strcmp(partitions[i]->dev, dev))
-	{
-	/* Found it! Make it the active one */
-	active = partitions[i];
-	*channel = alloc_io_channel(active);
-	if (!*channel)
-	return ENOMEM;
-	return 0;
-	}
-	}
-
-	/*
-	* Drive number & optionally partn number
-	*/
-	switch(tmp[0])
-	{
-	case 'h':
-	case 's':
-	part->phys = 0x80;
-	part->phys += toupper(tmp[2]) - 'A';
-	/*
-	* Do we have the partition number?
-	*/
-	if(tmp[3])
-	part->pno = isdigit((int)tmp[3]) ? tmp[3] - '0' - 1: 0;
-	else
-	part->pno = 0xFF;
-	break;
-
-	case 'f':
-	if(tmp[2])
-	part->phys = isdigit((int)tmp[2]) ? tmp[2] - '0' : 0;
-	else
-	part->phys = 0x00; /* We'll assume /dev/fd0 */
-	break;
-
-	default:
-	_dio_error = ERR_BADDEV;
-	return ENODEV;
-	}
-
-	if(part->phys < 0x80)
-	{
-	/* We don't support floppies for now */
-	_dio_error = ERR_NOTSUPP;
-	return EINVAL;
-	}
-
-	part->dev = strdup(dev);
-
-	/*
-	* Get drive's geometry
-	*/
-	_dio_hw_error = biosdisk(DISK_GET_GEOMETRY,
-	part->phys,
-	0, /* head */
-	0, /* cylinder */
-	1, /* sector */
-	1, /* just one sector */
-	sec);
-
-	if(!HW_OK())
-	{
-	_dio_error = ERR_HARDWARE;
-	if (part)
-	free(part);
-	return EFAULT;
-	}
-
-	/*
-	* Calculate the geometry
-	*/
-	part->cyls = (unsigned short)(((sec[0] >> 6) << 8) + sec[1] + 1);
-	part->heads = sec[3] + 1;
-	part->sects = sec[0] & 0x3F;
-
-	/*
-	* Now that we know all we need, let's look for the partition
-	*/
-	_dio_hw_error = biosdisk(DISK_READ, part->phys, 0, 0, 1, 1, sec);
-
-	if(!HW_OK())
-	{
-	_dio_error = ERR_HARDWARE;
-	if (part)
-	free(part);
-	return EFAULT;
-	}
-
-	pent = (PTABLE_ENTRY*)&sec[0x1BE];
-	pent = scan_partition_table(pent, part->phys, &part->pno);
-
-	if(!pent)
-	{
-	_dio_error = part->pno == 0xFE ? ERR_EMPTYPART :
-	part->pno == 0xFD ? ERR_LINUXSWAP : ERR_NOTEXT2FS;
-	if (part)
-	free(part);
-	return ENODEV;
-	}
-
-	/*
-	* Calculate the remaining figures
-	*/
-	{
-	unsigned long fsec, fhead, fcyl;
-
-	fsec = (unsigned long)(pent->start_sec & 0x3F);
-	fhead = (unsigned long)pent->start_head;
-	fcyl = ((pent->start_sec >> 6) << 8) + pent->start_cyl;
-	part->start = fsec + fhead * part->sects + fcyl *
-	(part->heads * part->sects) - 1;
-	part->len = pent->size;
-	}
-
-	/*
-	* Add the partition to the table
-	*/
-	newparts = (PARTITION*)realloc(partitions, sizeof(PARTITION) npart);
-	if (!newparts) {
-	free(part);
-	return ENOMEM;
-	}
-	partitions = newparts;
-	partitions[npart++] = active = part;
-
-	/*
-	* Now alloc all libe2fs structures
-	*/
-	*channel = alloc_io_channel(active);
-	if (!*channel)
-	return ENOMEM;
-
-	return 0;
-	}
-
-	static errcode_t dos_close(io_channel channel)
-	{
-	if (channel->name)
-	free(channel->name);
-	if (channel)
-	free(channel);
-
-	return 0;
-	}
-
-	static errcode_t dos_set_blksize(io_channel channel, int blksize)
-	{
-	channel->block_size = blksize;
-
-	return 0;
-	}
-
-	static errcode_t dos_read_blk(io_channel channel, unsigned long block,
-	int count, void *buf)
-	{
-	PARTITION *part;
-	size_t size;
-	ext2_loff_t loc;
-	CHS chs;
-
-	EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
-	part = (PARTITION*)channel->private_data;
-
-	size = (size_t)((count < 0) ? -count : count * channel->block_size);
-	loc = (ext2_loff_t) block * channel->block_size;
-
-	lba2chs(loc, &chs, part);
-	/*
-	* Potential bug here:
-	* If DJGPP is used then reads of >18 sectors will fail!
-	* Have to rewrite biosdisk.
-	*/
-	_dio_hw_error = biosdisk(DISK_READ,
-	part->phys,
-	chs.head,
-	chs.cyl,
-	chs.sector,
-	size < 512 ? 1 : size/512,
-	buf);
-
-	if(!HW_OK())
-	{
-	_dio_error = ERR_HARDWARE;
-	return EFAULT;
-	}
-
-	return 0;
-	}
-
-	static errcode_t dos_write_blk(io_channel channel, unsigned long block,
-	int count, const void *buf)
-	{
-	PARTITION *part;
-	size_t size;
-	ext2_loff_t loc;
-	CHS chs;
-
-	EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
-	part = (PARTITION*)channel->private_data;
-
-	if(count == 1)
-	size = (size_t)channel->block_size;
-	else
-	{
-	if (count < 0)
-	size = (size_t)-count;
-	else
-	size = (size_t)(count * channel->block_size);
-	}
-
-	loc = (ext2_loff_t)block * channel->block_size;
-	lba2chs(loc, &chs, part);
-	_dio_hw_error = biosdisk(DISK_WRITE,
-	part->phys,
-	chs.head,
-	chs.cyl,
-	chs.sector,
-	size < 512 ? 1 : size/512,
-	(void*)buf);
-
-	if(!HW_OK())
-	{
-	_dio_error = ERR_HARDWARE;
-	return EFAULT;
-	}
-
-	return 0;
-	}
-
-	#ifdef __TURBOC__
-	#pragma argsused
-	#endif
-	static errcode_t dos_flush(io_channel channel)
-	{
-	/*
-	* No buffers, no flush...
-	*/
-	return 0;
-	}

e2fsprogs/ext2fs/dosio.h+0 -153

@@ -1,153 +0,0 @@
-	/*
-	* v1.0
-	*
-	* Disk I/O include file for the ext2fs/DOS library.
-	*
-	* Copyright (c) 1997 Mark Habersack
-	* This file may be distributed under the terms of the GNU Public License.
-	*
-	*/
-	#ifndef __diskio_h
-	#define __diskio_h
-	#ifdef __TURBOC__
-	#ifndef __LARGE__
-	# error "ext2fs/DOS library requires LARGE model!"
-	#endif
-	#endif
-
-	#ifdef __TURBOC__
-	#include "msdos.h"
-	#endif
-
-	/*
-	* A helper structure used in LBA => CHS conversion
-	*/
-	typedef struct
-	{
-	unsigned short cyl; /* Cylinder (or track) */
-	unsigned short head;
-	unsigned short sector;
-	unsigned short offset; /* Offset of byte within the sector */
-	} CHS;
-
-	/*
-	* All partition data we need is here
-	*/
-	typedef struct
-	{
-	char dev; / _Linux_ device name (like "/dev/hda1") */
-	unsigned char phys; /* Physical DOS drive number */
-	unsigned long start; /* LBA address of partition start */
-	unsigned long len; /* length of partition in sectors */
-	unsigned char pno; /* Partition number (read from dev) /
-
-	/* This partition's drive geometry */
-	unsigned short cyls;
-	unsigned short heads;
-	unsigned short sects;
-	} PARTITION;
-
-	/*
-	* PC partition table entry format
-	*/
-	#ifdef __DJGPP__
-	#pragma pack(1)
-	#endif
-	typedef struct
-	{
-	unsigned char active;
-	unsigned char start_head;
-	unsigned char start_sec;
-	unsigned char start_cyl;
-	unsigned char type;
-	unsigned char end_head;
-	unsigned char end_sec;
-	unsigned char end_cyl;
-	unsigned long first_sec_rel;
-	unsigned long size;
-	} PTABLE_ENTRY;
-	#ifdef __DJGPP__
-	#pragma pack()
-	#endif
-
-	/*
-	* INT 0x13 operation codes
-	*/
-	#define DISK_READ 0x02
-	#define DISK_WRITE 0x03
-	#define DISK_GET_GEOMETRY 0x08
-	#define DISK_READY 0x10
-
-	/*
-	* Errors to put in _dio_error
-	*/
-	#define ERR_BADDEV 0x00000001L
-	#define ERR_HARDWARE 0x00000002L
-	#define ERR_NOTSUPP 0x00000003L
-	#define ERR_NOTEXT2FS 0x00000004L
-	#define ERR_EMPTYPART 0x00000005L
-	#define ERR_LINUXSWAP 0x00000006L
-
-	/*
-	* Functions in diskio.c
-	*/
-
-	/*
-	* Variable contains last module's error
-	*/
-	extern unsigned long _dio_error;
-
-	/*
-	* This one contains last hardware error (if _dio_error == ERR_HARDWARE)
-	*/
-	extern unsigned long _dio_hw_error;
-
-	/*
-	* Macros to check for disk hardware errors
-	*/
-	#define HW_OK() ((unsigned char)_dio_hw_error == 0x00)
-	#define HW_BAD_CMD() ((unsigned char)_dio_hw_error == 0x01)
-	#define HW_NO_ADDR_MARK() ((unsigned char)_dio_hw_error == 0x02)
-	#define HW_WRITE_PROT() ((unsigned char)_dio_hw_error == 0x03)
-	#define HW_NO_SECTOR() ((unsigned char)_dio_hw_error == 0x04)
-	#define HW_RESET_FAIL() ((unsigned char)_dio_hw_error == 0x05)
-	#define HW_DISK_CHANGED() ((unsigned char)_dio_hw_error == 0x06)
-	#define HW_DRIVE_FAIL() ((unsigned char)_dio_hw_error == 0x07)
-	#define HW_DMA_OVERRUN() ((unsigned char)_dio_hw_error == 0x08)
-	#define HW_DMA_BOUNDARY() ((unsigned char)_dio_hw_error == 0x09)
-	#define HW_BAD_SECTOR() ((unsigned char)_dio_hw_error == 0x0A)
-	#define HW_BAD_TRACK() ((unsigned char)_dio_hw_error == 0x0B)
-	#define HW_UNSUPP_TRACK() ((unsigned char)_dio_hw_error == 0x0C)
-	#define HW_BAD_CRC_ECC() ((unsigned char)_dio_hw_error == 0x10)
-	#define HW_CRC_ECC_CORR() ((unsigned char)_dio_hw_error == 0x11)
-	#define HW_CONTR_FAIL() ((unsigned char)_dio_hw_error == 0x20)
-	#define HW_SEEK_FAIL() ((unsigned char)_dio_hw_error == 0x40)
-	#define HW_ATTACH_FAIL() ((unsigned char)_dio_hw_error == 0x80)
-	#define HW_DRIVE_NREADY() ((unsigned char)_dio_hw_error == 0xAA)
-	#define HW_UNDEF_ERROR() ((unsigned char)_dio_hw_error == 0xBB)
-	#define HW_WRITE_FAULT() ((unsigned char)_dio_hw_error == 0xCC)
-	#define HW_STATUS_ERROR() ((unsigned char)_dio_hw_error == 0xE0)
-	#define HW_SENSE_FAIL() ((unsigned char)_dio_hw_error == 0xFF)
-
-
-	/*
-	* Open the specified partition.
-	* String 'dev' must have a format:
-	*
-	* /dev/{sd\|hd\|fd}[X]
-	*
-	* where,
-	*
-	* only one of the option in curly braces can be used and X is an optional
-	* partition number for the given device. If X is not specified, function
-	* scans the drive's partition table in search for the first Linux ext2fs
-	* partition (signature 0x83). Along the way it dives into every extended
-	* partition encountered.
-	* Scan ends if either (a) there are no more used partition entries, or
-	* (b) there is no Xth partition.
-	*
-	* Routine returns 0 on success and !=0 otherwise.
-	*/
-	int open_partition(char *dev);
-
-	#endif /* __diskio_h */