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Force the offset to be align to 0x10

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This commit is contained in:
Maschell 2019-05-04 12:26:51 +02:00
parent 2c3a5332a4
commit 7f2d519427
1 changed files with 15 additions and 3 deletions
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16
src/main/java/de/mas/wiiu/jnus/fuse_wiiu/implementation/FSTDataProviderContainer.java
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@ -1,5 +1,6 @@
package de.mas.wiiu.jnus.fuse_wiiu.implementation; package de.mas.wiiu.jnus.fuse_wiiu.implementation;
import java.util.Arrays;
import java.util.Optional; import java.util.Optional;
import java.util.function.Supplier; import java.util.function.Supplier;
@ -123,11 +124,22 @@ public class FSTDataProviderContainer implements FuseContainer {
} }
try { try {
byte[] data = getDataProvider().readFile(entry, offset, size); byte[] data;
if (offset % 16 > 0) {
// make sure the offset is aligned to 0x10;
// in worst case we read 15 additional bytes-
long newOffset = (offset / 16) * 16;
int diff = (int) (offset - newOffset);
data = getDataProvider().readFile(entry, newOffset, size + diff);
buf.put(0, data, diff, data.length - diff);
return (int) (data.length > size ? size : data.length);
} else {
data = getDataProvider().readFile(entry, offset, size);
buf.put(0, data, 0, data.length); buf.put(0, data, 0, data.length);
return data.length; return data.length;
}
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
return -ErrorCodes.ENOENT(); return -ErrorCodes.ENOENT();