Calling a c library function from within ctypes python

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Using nm, I get these functions back from my library:



0000000000004bc0 T __Z13generator_sind
0000000000004120 T __Z13librador_exitv
0000000000004080 T __Z13librador_initv
0000000000004b70 T __Z13round_to_log2d
0000000000004c10 T __Z16generator_squared
0000000000004c40 T __Z18generator_sawtoothd


I want to call the function __Z13librador_initv using ctypes in python... but using print(libraryname.__Z13librador_initv) is not getting me anywhere. Anyone know how to do this successfully? Do I need to use the hex number?



It appears to import the actual library ok using this code:



from ctypes import *
testlib = cdll.LoadLibrary("librador.1.0.0.dylib")









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migrated from unix.stackexchange.com Feb 2 at 18:49


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  • 1





    Do you have the source code for librador? The issues you're running are due to C++ name mangling... The easiest way to address that would be by adapting the sources.

    – filbranden
    Feb 1 at 16:34















0















Using nm, I get these functions back from my library:



0000000000004bc0 T __Z13generator_sind
0000000000004120 T __Z13librador_exitv
0000000000004080 T __Z13librador_initv
0000000000004b70 T __Z13round_to_log2d
0000000000004c10 T __Z16generator_squared
0000000000004c40 T __Z18generator_sawtoothd


I want to call the function __Z13librador_initv using ctypes in python... but using print(libraryname.__Z13librador_initv) is not getting me anywhere. Anyone know how to do this successfully? Do I need to use the hex number?



It appears to import the actual library ok using this code:



from ctypes import *
testlib = cdll.LoadLibrary("librador.1.0.0.dylib")









share|improve this question













migrated from unix.stackexchange.com Feb 2 at 18:49


This question came from our site for users of Linux, FreeBSD and other Un*x-like operating systems.













  • 1





    Do you have the source code for librador? The issues you're running are due to C++ name mangling... The easiest way to address that would be by adapting the sources.

    – filbranden
    Feb 1 at 16:34













0












0








0








Using nm, I get these functions back from my library:



0000000000004bc0 T __Z13generator_sind
0000000000004120 T __Z13librador_exitv
0000000000004080 T __Z13librador_initv
0000000000004b70 T __Z13round_to_log2d
0000000000004c10 T __Z16generator_squared
0000000000004c40 T __Z18generator_sawtoothd


I want to call the function __Z13librador_initv using ctypes in python... but using print(libraryname.__Z13librador_initv) is not getting me anywhere. Anyone know how to do this successfully? Do I need to use the hex number?



It appears to import the actual library ok using this code:



from ctypes import *
testlib = cdll.LoadLibrary("librador.1.0.0.dylib")









share|improve this question














Using nm, I get these functions back from my library:



0000000000004bc0 T __Z13generator_sind
0000000000004120 T __Z13librador_exitv
0000000000004080 T __Z13librador_initv
0000000000004b70 T __Z13round_to_log2d
0000000000004c10 T __Z16generator_squared
0000000000004c40 T __Z18generator_sawtoothd


I want to call the function __Z13librador_initv using ctypes in python... but using print(libraryname.__Z13librador_initv) is not getting me anywhere. Anyone know how to do this successfully? Do I need to use the hex number?



It appears to import the actual library ok using this code:



from ctypes import *
testlib = cdll.LoadLibrary("librador.1.0.0.dylib")






python c function






share|improve this question













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asked Feb 1 at 7:30







Amariah Olson











migrated from unix.stackexchange.com Feb 2 at 18:49


This question came from our site for users of Linux, FreeBSD and other Un*x-like operating systems.









migrated from unix.stackexchange.com Feb 2 at 18:49


This question came from our site for users of Linux, FreeBSD and other Un*x-like operating systems.









  • 1





    Do you have the source code for librador? The issues you're running are due to C++ name mangling... The easiest way to address that would be by adapting the sources.

    – filbranden
    Feb 1 at 16:34












  • 1





    Do you have the source code for librador? The issues you're running are due to C++ name mangling... The easiest way to address that would be by adapting the sources.

    – filbranden
    Feb 1 at 16:34







1




1





Do you have the source code for librador? The issues you're running are due to C++ name mangling... The easiest way to address that would be by adapting the sources.

– filbranden
Feb 1 at 16:34





Do you have the source code for librador? The issues you're running are due to C++ name mangling... The easiest way to address that would be by adapting the sources.

– filbranden
Feb 1 at 16:34












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