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