Bug 4510 - Marshal.SizeOf returning different sizes for StructLayout(Explicit) vs. StructLayout(Sequential)
Summary: Marshal.SizeOf returning different sizes for StructLayout(Explicit) vs. Struc...
Alias: None
Product: Runtime
Classification: Mono
Component: General ()
Version: unspecified
Hardware: PC Mac OS
: High normal
Target Milestone: ---
Assignee: Paolo Molaro
Depends on:
Reported: 2012-04-18 16:31 UTC by Eric Beisecker
Modified: 2014-07-30 08:44 UTC (History)
4 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Eric Beisecker 2012-04-18 16:31:23 UTC

struct A
  int one;
  int two;
  int three;

struct B
  int one;
  int two;
  int three;

Console.WriteLine(Marshal.SizeOf(new A())); // Will return 16
Console.WriteLine(Marshal.SizeOf(new B())); // Will return 12

Using the .NET library both examples Return 12.
Comment 1 Rodrigo Kumpera 2014-01-22 16:52:09 UTC
Fixed in master.