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authorLukas Larsson <[email protected]>2017-03-02 16:59:38 +0100
committerLukas Larsson <[email protected]>2017-03-06 11:10:37 +0100
commit7488cfc986e1608e73f904071556eb0543d6a346 (patch)
tree34f259d757d1fd4a535568445443c8e2b4c52ae3 /erts/emulator/beam
parent7b751e813f13dffc75dd615cbd0666d426a893e1 (diff)
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erts: Add enif_inspect_binary emasculation of refc bins
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/erl_nif.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index e6da4c1a76..63a4a997da 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -998,16 +998,14 @@ int enif_inspect_binary(ErlNifEnv* env, Eterm bin_term, ErlNifBinary* bin)
byte* raw_ptr;
}u;
- if (is_boxed(bin_term) && *binary_val(bin_term) == HEADER_SUB_BIN) {
- ErlSubBin* sb = (ErlSubBin*) binary_val(bin_term);
- if (sb->is_writable) {
- ProcBin* pb = (ProcBin*) binary_val(sb->orig);
- ASSERT(pb->thing_word == HEADER_PROC_BIN);
- if (pb->flags) {
- erts_emasculate_writable_binary(pb);
- sb->is_writable = 0;
- }
- }
+ if (is_binary(bin_term)) {
+ ProcBin *pb = (ProcBin*) binary_val(bin_term);
+ if (pb->thing_word == HEADER_SUB_BIN) {
+ ErlSubBin* sb = (ErlSubBin*) pb;
+ pb = (ProcBin*) binary_val(sb->orig);
+ }
+ if (pb->thing_word == HEADER_PROC_BIN && pb->flags)
+ erts_emasculate_writable_binary(pb);
}
u.tmp = NULL;
bin->data = erts_get_aligned_binary_bytes_extra(bin_term, &u.raw_ptr, allocator,
@@ -1024,7 +1022,7 @@ int enif_inspect_binary(ErlNifEnv* env, Eterm bin_term, ErlNifBinary* bin)
bin->bin_term = bin_term;
bin->size = binary_size(bin_term);
bin->ref_bin = NULL;
- ADD_READONLY_CHECK(env, bin->data, bin->size);
+ ADD_READONLY_CHECK(env, bin->data, bin->size);
return 1;
}