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Fix off-by-one.

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This commit is contained in:
Bartosz Taudul 2020-03-01 14:04:10 +01:00
parent 0b3431289f
commit abd44069ae
1 changed files with 8 additions and 8 deletions
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16
server/TracyFileRead.hpp
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@ -79,7 +79,7 @@ public:
template<class T> template<class T>
tracy_force_inline void Read( T& v ) tracy_force_inline void Read( T& v )
{ {
if( sizeof( T ) < BufSize - m_offset ) if( sizeof( T ) <= BufSize - m_offset )
{ {
memcpy( &v, m_buf + m_offset, sizeof( T ) ); memcpy( &v, m_buf + m_offset, sizeof( T ) );
m_offset += sizeof( T ); m_offset += sizeof( T );
@ -96,7 +96,7 @@ public:
template<class T, class U> template<class T, class U>
tracy_force_inline void Read2( T& v0, U& v1 ) tracy_force_inline void Read2( T& v0, U& v1 )
{ {
if( sizeof( T ) + sizeof( U ) < BufSize - m_offset ) if( sizeof( T ) + sizeof( U ) <= BufSize - m_offset )
{ {
memcpy( &v0, m_buf + m_offset, sizeof( T ) ); memcpy( &v0, m_buf + m_offset, sizeof( T ) );
memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) ); memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
@ -114,7 +114,7 @@ public:
template<class T, class U, class V> template<class T, class U, class V>
tracy_force_inline void Read3( T& v0, U& v1, V& v2 ) tracy_force_inline void Read3( T& v0, U& v1, V& v2 )
{ {
if( sizeof( T ) + sizeof( U ) + sizeof( V ) < BufSize - m_offset ) if( sizeof( T ) + sizeof( U ) + sizeof( V ) <= BufSize - m_offset )
{ {
memcpy( &v0, m_buf + m_offset, sizeof( T ) ); memcpy( &v0, m_buf + m_offset, sizeof( T ) );
memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) ); memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
@ -134,7 +134,7 @@ public:
template<class T, class U, class V, class W> template<class T, class U, class V, class W>
tracy_force_inline void Read4( T& v0, U& v1, V& v2, W& v3 ) tracy_force_inline void Read4( T& v0, U& v1, V& v2, W& v3 )
{ {
if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) < BufSize - m_offset ) if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) <= BufSize - m_offset )
{ {
memcpy( &v0, m_buf + m_offset, sizeof( T ) ); memcpy( &v0, m_buf + m_offset, sizeof( T ) );
memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) ); memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
@ -156,7 +156,7 @@ public:
template<class T, class U, class V, class W, class X> template<class T, class U, class V, class W, class X>
tracy_force_inline void Read5( T& v0, U& v1, V& v2, W& v3, X& v4 ) tracy_force_inline void Read5( T& v0, U& v1, V& v2, W& v3, X& v4 )
{ {
if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) < BufSize - m_offset ) if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) <= BufSize - m_offset )
{ {
memcpy( &v0, m_buf + m_offset, sizeof( T ) ); memcpy( &v0, m_buf + m_offset, sizeof( T ) );
memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) ); memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
@ -180,7 +180,7 @@ public:
template<class T, class U, class V, class W, class X, class Y> template<class T, class U, class V, class W, class X, class Y>
tracy_force_inline void Read6( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5 ) tracy_force_inline void Read6( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5 )
{ {
if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) < BufSize - m_offset ) if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) <= BufSize - m_offset )
{ {
memcpy( &v0, m_buf + m_offset, sizeof( T ) ); memcpy( &v0, m_buf + m_offset, sizeof( T ) );
memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) ); memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
@ -206,7 +206,7 @@ public:
template<class T, class U, class V, class W, class X, class Y, class Z> template<class T, class U, class V, class W, class X, class Y, class Z>
tracy_force_inline void Read7( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5, Z& v6 ) tracy_force_inline void Read7( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5, Z& v6 )
{ {
if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) < BufSize - m_offset ) if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) <= BufSize - m_offset )
{ {
memcpy( &v0, m_buf + m_offset, sizeof( T ) ); memcpy( &v0, m_buf + m_offset, sizeof( T ) );
memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) ); memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );
@ -234,7 +234,7 @@ public:
template<class T, class U, class V, class W, class X, class Y, class Z, class A> template<class T, class U, class V, class W, class X, class Y, class Z, class A>
tracy_force_inline void Read8( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5, Z& v6, A& v7 ) tracy_force_inline void Read8( T& v0, U& v1, V& v2, W& v3, X& v4, Y& v5, Z& v6, A& v7 )
{ {
if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) < BufSize - m_offset ) if( sizeof( T ) + sizeof( U ) + sizeof( V ) + sizeof( W ) + sizeof( X ) + sizeof( Y ) + sizeof( Z ) + sizeof( A ) <= BufSize - m_offset )
{ {
memcpy( &v0, m_buf + m_offset, sizeof( T ) ); memcpy( &v0, m_buf + m_offset, sizeof( T ) );
memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) ); memcpy( &v1, m_buf + m_offset + sizeof( T ), sizeof( U ) );