libgpg-error in C++ code

[Ralf Schneider]

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Hi,

I've encoutered some problems when using libgcrypt from within C++ code. Th=
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problem is located in libgpg-error in gpg-error.h. The functions gpg_err_co=
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and gpg_err_source have a return value of an enum type but they return an=20
integer. The compiler (gcc 3.2) complains:

gpg-error.h: In function `gpg_err_code_t gpg_err_code(unsigned int)':
gpg-error.h:464: invalid conversion from `unsigned int' to `gpg_err_code_t'

I think the problem is the different representation of enums in C and C++. =
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problem could be solved by inserting en explicit cast to the enum type. For=
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example:

static __inline__ gpg_err_code_t
gpg_err_code (gpg_error_t err)
{
  return (gpg_err_code_t)(err & GPG_ERR_CODE_MASK);
}

It would be great if one of the developers of libgpg-error could fix this,=
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because at the moment I've to modifiy the include file, which is not really=
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good solution :-)

Best regards,
Ralf.
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