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allow out-of-order shape tables

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This commit is contained in:
Denis Molony 2016-07-18 08:52:29 +10:00
parent 89f315cc53
commit ab201e207c
1 changed files with 5 additions and 4 deletions
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9
src/com/bytezone/diskbrowser/applefile/ShapeTable.java
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@ -34,7 +34,7 @@ public class ShapeTable extends AbstractFile
int v1 = value >> 6; int v1 = value >> 6;
int v2 = (value & 0x38) >> 3; int v2 = (value & 0x38) >> 3;
int v3 = value & 0x07; int v3 = value & 0x07;
// System.out.printf ("%02X %02X %02X %02X%n", value, v1, v2, v3); // System.out.printf ("%02X %02X %02X %02X%n", value, v1, v2, v3);
if (v3 >= 4) if (v3 >= 4)
{ {
@ -129,7 +129,7 @@ public class ShapeTable extends AbstractFile
if (totalShapes == 0) if (totalShapes == 0)
return false; return false;
int lastOffset = 0; // int lastOffset = 0;
for (int i = 0; i < totalShapes; i++) for (int i = 0; i < totalShapes; i++)
{ {
// check index table entry is inside the file // check index table entry is inside the file
@ -139,10 +139,11 @@ public class ShapeTable extends AbstractFile
// check index points inside the file // check index points inside the file
int offset = HexFormatter.intValue (buffer[ptr], buffer[ptr + 1]); int offset = HexFormatter.intValue (buffer[ptr], buffer[ptr + 1]);
if (offset == 0 || offset < lastOffset || offset >= buffer.length) // if (offset == 0 || offset < lastOffset || offset >= buffer.length)
if (offset == 0 || offset >= buffer.length)
return false; return false;
lastOffset = offset; // lastOffset = offset;
} }
return true; return true;