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handle the case where our PEF begins with PJ95

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This commit is contained in:
Michael Becker 2020-03-19 09:56:35 -04:00
parent 505a58806c
commit f0632f7a1e
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GPG Key ID: 389DFF5D73781A12
1 changed files with 15 additions and 1 deletions
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16
CSharp/Plugins/UniversalEditor.Plugins.Executable/DataFormats/Executable/Apple/PreferredExecutable/PEFDataFormat.cs
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@ -13,7 +13,21 @@ namespace UniversalEditor.DataFormats.Executable.Apple.PreferredExecutable
{
Internal.PEFContainerHeader item = new Internal.PEFContainerHeader();
item.tag1 = reader.ReadFixedLengthString(4);
if (item.tag1 != "Joy!") throw new InvalidDataFormatException("PEF container header does not have 'Joy!' in 'tag1' field");
if (item.tag1 != "Joy!")
{
// PJ95
if (item.tag1 == "PJ95")
{
uint offsetToResourceSegment = reader.ReadUInt32();
uint zero1 = reader.ReadUInt32();
uint zero2 = reader.ReadUInt32();
item.tag1 = reader.ReadFixedLengthString(4);
}
else
{
throw new InvalidDataFormatException("PEF container header does not have 'Joy!' in 'tag1' field");
}
}
item.tag2 = reader.ReadFixedLengthString(4);
if (item.tag2 != "peff") throw new InvalidDataFormatException("PEF container header does not have 'peff' in 'tag2' field");