n32

#!/usr/bin/python

# Convert a number on command line to various permutations of 32-bit integer
# (signed, unsigned, hex, etc)
#
# davep 2011? 2010?

import sys
import ctypes

def mkint( string ) :
    """Try converting a string to base-10 integer. If that fails, try base-16.
    If that fails, we'll allow the ValueError to propogate."""

    value = None
    try :
        value = int(string,10)
        return value
    except ValueError:
        pass

    try : 
        # ok, maybe it's hex
        value = int(string,16)
        return value
    except ValueError : 
        pass

    # float!?!?!?!?
    value = float(string)

    return value

for arg in sys.argv[1:] :
    n = mkint(arg)

    # make sure it's 100% integer
    n = int(n)

    uint32 = ctypes.c_uint32( n )
    int32 = ctypes.c_int32( n )

    print n,
    print uint32,
    print int32,
    print "%#x" % uint32.value