From 01aa8b82dd0f8229355ffd2bb2bc8e8f496d2df6 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Fri, 26 Apr 2019 19:43:53 +0200 Subject: erl_interface: Tweak bit string encode/decode API to support zero copy decoding and bit offset arguments for future unaligned bit strings. --- lib/erl_interface/include/ei.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'lib/erl_interface/include') diff --git a/lib/erl_interface/include/ei.h b/lib/erl_interface/include/ei.h index a860df3f77..ed0420300d 100644 --- a/lib/erl_interface/include/ei.h +++ b/lib/erl_interface/include/ei.h @@ -526,9 +526,9 @@ int ei_x_encode_atom_len(ei_x_buff* x, const char* s, int len); int ei_x_encode_atom_len_as(ei_x_buff* x, const char* s, int len, erlang_char_encoding from, erlang_char_encoding to); int ei_encode_binary(char *buf, int *index, const void *p, long len); -int ei_encode_bitstring(char *buf, int *index, const void *p, size_t bits); +int ei_encode_bitstring(char *buf, int *index, const char *p, size_t bitoffs, size_t bits); int ei_x_encode_binary(ei_x_buff* x, const void* s, int len); -int ei_x_encode_bitstring(ei_x_buff* x, const void* p, size_t bits); +int ei_x_encode_bitstring(ei_x_buff* x, const char* p, size_t bitoffs, size_t bits); int ei_encode_pid(char *buf, int *index, const erlang_pid *p); int ei_x_encode_pid(ei_x_buff* x, const erlang_pid* pid); int ei_encode_fun(char* buf, int* index, const erlang_fun* p); @@ -578,7 +578,9 @@ int ei_decode_string(const char *buf, int *index, char *p); int ei_decode_atom(const char *buf, int *index, char *p); int ei_decode_atom_as(const char *buf, int *index, char *p, int destlen, erlang_char_encoding want, erlang_char_encoding* was, erlang_char_encoding* result); int ei_decode_binary(const char *buf, int *index, void *p, long *len); -int ei_decode_bitstring(const char *buf, int *index, void *p, size_t plen, size_t *bitsp); +int ei_decode_bitstring(const char *buf, int *index, const char** pp, + unsigned int* bitoffsp, size_t *nbitsp); + int ei_decode_fun(const char* buf, int* index, erlang_fun* p); void free_fun(erlang_fun* f); int ei_decode_pid(const char *buf, int *index, erlang_pid *p); -- cgit v1.2.3