API cleanups #299

1. 
   luke-jr commented at 6:01 am on September 1, 2015: member

   One more potential change missing:

   • secp256k1_ecdsa_signature_parse_der: BER violations are supported, but how do we enforce BIP66? could reserialised and memcmp, but maybe it’d be more optimal to have a flag?
2. 
   sipa commented at 6:28 pm on September 17, 2015: contributor

   Needs rebase.
3. 
   luke-jr commented at 3:29 pm on September 19, 2015: member

   Merge-rebased. Is that okay?
4. 
   sipa commented at 7:23 pm on September 19, 2015: contributor

   @luke-jr Please actually rebase :)
5. secp256k1_context_create: Use unsigned type for flags bitfield 64b730bc3f
6. secp256k1_context_destroy: Allow NULL argument as a no-op 9aac008038
7. secp256k1_context_set_{error,illegal}_callback: Restore default handler by passing NULL as function argument c9d7c2a484
8. Use size_t for lengths (at least in external API) 788038d323
9. Bugfix: Reinitialise buffer lengths that have been used as outputs 1973c7379e
10. Callback data: Accept pointers to either const or non-const data 05732c5a5f
11. Use a flags bitfield for compressed option to secp256k1_ec_pubkey_serialize and secp256k1_ec_privkey_export 486b9bb8ce
12. luke-jr force-pushed on Sep 19, 2015
13. 
    luke-jr commented at 7:40 pm on September 19, 2015: member

    Aww, okay. :(

    Done.

14. 
    sipa commented at 2:34 am on September 20, 2015: contributor

    ACK
15. sipa merged this on Sep 20, 2015
16. sipa closed this on Sep 20, 2015

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17. sipa referenced this in commit eeab823b70 on Sep 20, 2015

Contributors
luke-jr sipa