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specialized ZAM operators for speeding up cat() operations

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Vern Paxson 2022-09-16 09:45:05 -07:00
parent 5fe4eb27a8
commit 048e524fbf
10 changed files with 619 additions and 2 deletions
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14
src/script_opt/ZAM/Support.cc
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@ -72,6 +72,20 @@ StringVal* ZAM_sub_bytes(const StringVal* s, zeek_uint_t start, zeek_int_t n)
return new StringVal(ss ? ss : new String(""));
}
StringValPtr ZAM_val_cat(const ValPtr& v)
{
// Quite similar to cat(), but for only one value.
zeek::ODesc d;
d.SetStyle(RAW_STYLE);
v->Describe(&d);
String* s = new String(1, d.TakeBytes(), d.Len());
s->SetUseFreeToDelete(true);
return make_intrusive<StringVal>(s);
}
void ZAM_run_time_error(const char* msg)
{
fprintf(stderr, "%s\n", msg);