MagickPassFail & MagickBool

Currently GraphicsMagick functions return an 'unsigned int' in order
to return pass/fail status, and 'unsigned int' is used as a boolean
type.

Recently I added the defines

#define MagickPassFail unsigned int
#define MagickPass     1
#define MagickFail     0

#define MagickBool     unsigned int
#define MagickTrue     1
#define MagickFalse    0

to GraphicsMagick so that the purpose of these values can be clarified
without actually changing the interface.  I plan to migrate the
function definitions and implementation to using these defines so that
it is more clear what return values and arguments mean.

Bob
======================================
Bob Friesenhahn
[email protected]
http://www.simplesystems.org/users/bfriesen



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