tracy/server/TracyCharUtil.hpp
2017-11-11 02:31:51 +01:00

69 lines
992 B
C++

#ifndef __TRACY__CHARUTIL_HPP__
#define __TRACY__CHARUTIL_HPP__
#include <stddef.h>
#include <stdint.h>
#include <string.h>
namespace tracy
{
namespace charutil
{
static inline uint32_t hash( const char* str )
{
uint32_t hash = 5381;
int c;
while( ( c = *str++ ) != 0 )
{
hash = ( ( hash << 5 ) + hash ) ^ c;
}
return hash;
}
static inline uint32_t hash( const char* str, size_t sz )
{
uint32_t hash = 5381;
int c;
while( sz > 0 )
{
c = *str++;
hash = ( ( hash << 5 ) + hash ) ^ c;
sz--;
}
return hash;
}
struct Hasher
{
size_t operator()( const char* key ) const
{
return hash( key );
}
};
struct Comparator
{
bool operator()( const char* lhs, const char* rhs ) const
{
return strcmp( lhs, rhs ) == 0;
}
};
struct LessComparator
{
bool operator()( const char* lhs, const char* rhs ) const
{
return strcmp( lhs, rhs ) < 0;
}
};
}
}
#endif