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[serialize] Add unused 'tail'

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This commit is contained in:
Behdad Esfahbod 2019-03-30 15:08:39 -07:00
parent fe05e48086
commit 6dcf7c4017
1 changed files with 3 additions and 2 deletions
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5
src/hb-serialize.hh
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@ -53,6 +53,7 @@ struct hb_serialize_context_t
this->successful = true; this->successful = true;
this->ran_out_of_room = false; this->ran_out_of_room = false;
this->head = this->start; this->head = this->start;
this->tail = this->end;
this->debug_depth = 0; this->debug_depth = 0;
} }
@ -114,7 +115,7 @@ struct hb_serialize_context_t
{ {
if (unlikely (!this->successful)) return nullptr; if (unlikely (!this->successful)) return nullptr;
if (this->end - this->head < ptrdiff_t (size)) if (this->tail - this->head < ptrdiff_t (size))
{ {
this->ran_out_of_room = true; this->ran_out_of_room = true;
this->successful = false; this->successful = false;
@ -192,8 +193,8 @@ struct hb_serialize_context_t
} }
public: public:
char *start, *head, *tail, *end;
unsigned int debug_depth; unsigned int debug_depth;
char *start, *end, *head;
bool successful; bool successful;
bool ran_out_of_room; bool ran_out_of_room;
}; };