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fix: terrorist behaviour on ES maps with buyzone. (fixes #155).

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fix: help commands causing host overflow when translated.
crlib: use fnv1a for string hashes.
crlib: add hash () method  to String & StringRef classes.
This commit is contained in:
ds 2020-09-11 16:01:33 +03:00
commit 8acd84fdc8
6 changed files with 35 additions and 48 deletions
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23
ext/crlib/cr-string.h
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@ -59,14 +59,13 @@ CR_EXPOSE_GLOBAL_SINGLETON (SNPrintfWrap, fmtwrap);
// simple non-owning string class like std::string_view
class StringRef {
private:
static constexpr size_t strLength (const char *cstr) {
size_t length = 0;
static constexpr size_t len (const char *str) noexcept {
return !*str ? 0 : 1 + len (str + 1);
}
while (*cstr != kNullChar) {
length++;
cstr++;
}
return length;
public:
static constexpr uint32 fnv1a32 (const char *str, uint32 hash = 0x811c9dc5) {
return !*str ? hash : fnv1a32 (str + 1, (hash ^ static_cast <uint8> (*str)) * 0x01000193);
}
public:
@ -81,7 +80,7 @@ private:
public:
constexpr StringRef () noexcept = default;
constexpr StringRef (const char *chars) : chars_ (chars), length_ (chars ? strLength (chars) : 0)
constexpr StringRef (const char *chars) : chars_ (chars), length_ (chars ? len (chars) : 0)
{ }
constexpr StringRef (const char *chars, size_t length) : chars_ (chars), length_ (length)
@ -133,6 +132,10 @@ public:
return *this == rhs;
}
constexpr uint32 hash () const {
return fnv1a32 (chars ());
}
public:
int32 int_ () const {
return atoi (chars ());
@ -606,6 +609,10 @@ public:
}
public:
uint32 hash () const {
return str ().hash ();
}
bool contains (StringRef rhs) const {
return str ().contains (rhs);
}