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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_UTILS_H_ | 28 #ifndef V8_UTILS_H_ |
29 #define V8_UTILS_H_ | 29 #define V8_UTILS_H_ |
30 | 30 |
31 #include <stdlib.h> | 31 #include <stdlib.h> |
32 | 32 |
33 namespace v8 { namespace internal { | 33 namespace v8 { |
| 34 namespace internal { |
34 | 35 |
35 // ---------------------------------------------------------------------------- | 36 // ---------------------------------------------------------------------------- |
36 // General helper functions | 37 // General helper functions |
37 | 38 |
38 // Returns true iff x is a power of 2. Does not work for zero. | 39 // Returns true iff x is a power of 2. Does not work for zero. |
39 template <typename T> | 40 template <typename T> |
40 static inline bool IsPowerOf2(T x) { | 41 static inline bool IsPowerOf2(T x) { |
41 return (x & (x - 1)) == 0; | 42 return (x & (x - 1)) == 0; |
42 } | 43 } |
43 | 44 |
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545 #endif | 546 #endif |
546 while (dest < limit) { | 547 while (dest < limit) { |
547 *dest++ = static_cast<sinkchar>(*src++); | 548 *dest++ = static_cast<sinkchar>(*src++); |
548 } | 549 } |
549 } | 550 } |
550 | 551 |
551 | 552 |
552 } } // namespace v8::internal | 553 } } // namespace v8::internal |
553 | 554 |
554 #endif // V8_UTILS_H_ | 555 #endif // V8_UTILS_H_ |
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