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/*
*
* (c) 2008-2009 Laurent Vivier <Laurent@lvivier.info>
*
* This file has been copied from EMILE, http://emile.sf.net
*
*/
#include "libext2.h"
#include "ext2.h"
#include "ext2_utils.h"
#define SB_OFFSET (2)
ext2_VOLUME* ext2_mount(int fd)
{
ext2_VOLUME *volume;
struct ext2_super_block *super;
char *buffer;
super = (struct ext2_super_block*)malloc(sizeof(struct ext2_super_block));
if (super == NULL)
return NULL;
ext2_get_super(fd, super);
if (super->s_magic != EXT2_SUPER_MAGIC) {
free(super);
return NULL;
}
buffer = (char*)malloc(EXT2_BLOCK_SIZE(super));
if (buffer == NULL) {
free(super);
return NULL;
}
volume = (ext2_VOLUME*)malloc(sizeof(ext2_VOLUME));
if (volume == NULL) {
free(super);
free(buffer);
return NULL;
}
volume->buffer = buffer;
volume->fd = fd;
volume->super = super;
volume->current = -1;
ext2_read_block(volume, 0);
return volume;
}
int ext2_umount(ext2_VOLUME* volume)
{
if (volume == NULL)
return -1;
free(volume->super);
free(volume->buffer);
free(volume);
return 0;
}
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