ExternalVendorCode/ZeroTierOne
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This commit is contained in:
Adam Ierymenko
2019-08-14 12:48:45 -07:00
parent 573d3eea87
commit 8f5f7f1baa
8 changed files with 210 additions and 186 deletions
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34
node/Str.hpp
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@ -37,16 +37,22 @@
namespace ZeroTier {
/**
* A short non-allocating replacement for std::string
*/
class Str
{
public:
Str() { _l = 0; _s[0] = 0; }
Str(const Str &s)
typedef char * iterator;
typedef const char * const_iterator;
inline Str() { _l = 0; _s[0] = 0; }
inline Str(const Str &s)
{
_l = s._l;
memcpy(_s,s._s,_l+1);
}
Str(const char *s)
inline Str(const char *s)
{
_l = 0;
_s[0] = 0;
@ -75,7 +81,11 @@ public:
inline void clear() { _l = 0; _s[0] = 0; }
inline const char *c_str() const { return _s; }
inline unsigned int length() const { return _l; }
inline unsigned int length() const { return (unsigned int)_l; }
inline iterator begin() { return (iterator)_s; }
inline iterator end() { return (iterator)(_s + (unsigned long)_l); }
inline const_iterator begin() const { return (const_iterator)_s; }
inline const_iterator end() const { return (const_iterator)(_s + (unsigned long)_l); }
inline Str &operator<<(const char *s)
{
@ -83,8 +93,8 @@ public:
unsigned long l = _l;
while (*s) {
if (unlikely(l >= ZT_STR_CAPACITY)) {
_s[l] = 0;
_l = (uint8_t)l;
_s[ZT_STR_CAPACITY] = 0;
_l = ZT_STR_CAPACITY;
throw ZT_EXCEPTION_OUT_OF_BOUNDS;
}
_s[l++] = *s;
@ -97,14 +107,12 @@ public:
inline Str &operator<<(const Str &s) { return ((*this) << s._s); }
inline Str &operator<<(const char c)
{
if (likely(c != 0)) {
if (unlikely(_l >= ZT_STR_CAPACITY)) {
_s[_l] = 0;
throw ZT_EXCEPTION_OUT_OF_BOUNDS;
}
_s[_l++] = c;
_s[_l] = 0;
if (unlikely(_l >= ZT_STR_CAPACITY)) {
_s[ZT_STR_CAPACITY] = 0;
throw ZT_EXCEPTION_OUT_OF_BOUNDS;
}
_s[(unsigned long)(_l++)] = c;
_s[(unsigned long)_l] = 0;
}
inline Str &operator<<(const unsigned long n)
{