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38 lines
584 B
C
38 lines
584 B
C
/*
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*
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* (c) 2008 Laurent Vivier <Laurent@lvivier.info>
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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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int ext2_lseek(stream_FILE *_file, long offset, int whence)
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{
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ext2_FILE *file = (ext2_FILE*)_file;
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long new_offset;
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switch(whence)
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{
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case SEEK_SET:
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new_offset = offset;
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break;
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case SEEK_CUR:
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new_offset = file->offset + offset;
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break;
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case SEEK_END:
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new_offset = file->inode->i_size + offset;
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break;
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default:
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return -1;
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}
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if ( (new_offset < 0) ||
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(new_offset > file->inode->i_size) )
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return -1;
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file->offset = new_offset;
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return new_offset;
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}
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