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author | Sverker Eriksson <sverker@erlang.org> | 2017-08-30 21:00:35 +0200 |
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committer | Sverker Eriksson <sverker@erlang.org> | 2017-08-30 21:00:35 +0200 |
commit | 44a83c8860bbd00878c720a7b9d940b4630bab8a (patch) | |
tree | 101b3c52ec505a94f56c8f70e078ecb8a2e8c6cd /erts/emulator/beam/erl_bits.h | |
parent | 7c67bbddb53c364086f66260701bc54a61c9659c (diff) | |
parent | 040bdce67f88d833bfb59adae130a4ffb4c180f0 (diff) | |
download | erlang-44a83c8860bbd00878c720a7b9d940b4630bab8a.tar.gz |
Merge tag 'OTP-20.0' into sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590
Diffstat (limited to 'erts/emulator/beam/erl_bits.h')
-rw-r--r-- | erts/emulator/beam/erl_bits.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_bits.h b/erts/emulator/beam/erl_bits.h index 4bd5b24157..5da2b28a89 100644 --- a/erts/emulator/beam/erl_bits.h +++ b/erts/emulator/beam/erl_bits.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2016. All Rights Reserved. + * Copyright Ericsson AB 1999-2017. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -22,6 +22,23 @@ #define __ERL_BITS_H__ /* + * This structure represents a SUB_BINARY. + * + * Note: The last field (orig) is not counted in arityval in the header. + * This simplifies garbage collection. + */ + +typedef struct erl_sub_bin { + Eterm thing_word; /* Subtag SUB_BINARY_SUBTAG. */ + Uint size; /* Binary size in bytes. */ + Uint offs; /* Offset into original binary. */ + byte bitsize; + byte bitoffs; + byte is_writable; /* The underlying binary is writable */ + Eterm orig; /* Original binary (REFC or HEAP binary). */ +} ErlSubBin; + +/* * This structure represents a binary to be matched. */ @@ -185,7 +202,6 @@ void erts_new_bs_put_string(ERL_BITS_PROTO_2(byte* iptr, Uint num_bytes)); Uint erts_bits_bufs_size(void); Uint32 erts_bs_get_unaligned_uint32(ErlBinMatchBuffer* mb); -void erts_align_utf8_bytes(ErlBinMatchBuffer* mb, byte* buf); Eterm erts_bs_get_utf8(ErlBinMatchBuffer* mb); Eterm erts_bs_get_utf16(ErlBinMatchBuffer* mb, Uint flags); Eterm erts_bs_append(Process* p, Eterm* reg, Uint live, Eterm build_size_term, |