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add fseek()
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parent
1d9d4b7255
commit
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38
libiso9660/iso9660_fseek.c
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38
libiso9660/iso9660_fseek.c
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@ -0,0 +1,38 @@
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/*
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*
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* (c) 2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <stdio.h>
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#include "libiso9660.h"
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extern iso9660_read_t __iso9660_device_read;
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int iso9660_fseek(iso9660_FILE *file, long offset, int whence)
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{
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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 += offset;
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break;
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case SEEK_END:
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new_offset = file->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) || (new_offset > file->size) )
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return -1;
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file->offset = offset;
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return 0;
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}
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