[LIBGPG-ERROR] Add Base64 decoder

[Werner Koch]

On Tue, 31 Jan 2017 09:27, gniibe at fsij.org said:

> submitted yesterday.  If this is OK, I also copy&modify
> gnupg/common/t-b64.c into libgpg-error.

That will be good. I have one last suggestion, though:

> diff --git a/src/gpg-error.h.in b/src/gpg-error.h.in

> +struct b64state;
> +typedef struct b64state *b64state_t;

That pollutes the names space and might clash with symbols defined by
other libraries.  So what about:

--8<---------------cut here---------------start------------->8---
struct _gpgrt_b64state;
typedef struct _gpgrt_b64state *gpgrt_b64state_t;
--8<---------------cut here---------------end--------------->8---

or if you want it shorter, 

--8<---------------cut here---------------start------------->8---
struct _gpgrt_b64;
typedef struct _gpgrt_b64 *gpgrt_b64_t;
--8<---------------cut here---------------end--------------->8---

might also be okay.  I would prefer the first version as it is more
explicit.


Shalom-Salam,

   Werner

-- 
Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
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