diff options
Diffstat (limited to 'thirdparty/bullet/LinearMath/btHashMap.h')
| -rw-r--r-- | thirdparty/bullet/LinearMath/btHashMap.h | 34 |
1 files changed, 11 insertions, 23 deletions
diff --git a/thirdparty/bullet/LinearMath/btHashMap.h b/thirdparty/bullet/LinearMath/btHashMap.h index 5e9cdb6054..180e7b44af 100644 --- a/thirdparty/bullet/LinearMath/btHashMap.h +++ b/thirdparty/bullet/LinearMath/btHashMap.h @@ -17,12 +17,13 @@ subject to the following restrictions: #ifndef BT_HASH_MAP_H #define BT_HASH_MAP_H +#include <string> #include "btAlignedObjectArray.h" ///very basic hashable string implementation, compatible with btHashMap struct btHashString { - const char* m_string; + std::string m_string1; unsigned int m_hash; SIMD_FORCE_INLINE unsigned int getHash()const @@ -30,8 +31,13 @@ struct btHashString return m_hash; } + btHashString() + { + m_string1=""; + m_hash=0; + } btHashString(const char* name) - :m_string(name) + :m_string1(name) { /* magic numbers from http://www.isthe.com/chongo/tech/comp/fnv/ */ static const unsigned int InitialFNV = 2166136261u; @@ -40,36 +46,18 @@ struct btHashString /* Fowler / Noll / Vo (FNV) Hash */ unsigned int hash = InitialFNV; - for(int i = 0; m_string[i]; i++) + for(int i = 0; m_string1.c_str()[i]; i++) { - hash = hash ^ (m_string[i]); /* xor the low 8 bits */ + hash = hash ^ (m_string1.c_str()[i]); /* xor the low 8 bits */ hash = hash * FNVMultiple; /* multiply by the magic number */ } m_hash = hash; } - int portableStringCompare(const char* src, const char* dst) const - { - int ret = 0 ; - - while( ! (ret = *(const unsigned char *)src - *(const unsigned char *)dst) && *dst) - ++src, ++dst; - - if ( ret < 0 ) - ret = -1 ; - else if ( ret > 0 ) - ret = 1 ; - - return( ret ); - } - bool equals(const btHashString& other) const { - return (m_string == other.m_string) || - (0==portableStringCompare(m_string,other.m_string)); - + return (m_string1 == other.m_string1); } - }; const int BT_HASH_NULL=0xffffffff; |