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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "config.h" | 31 #include "config.h" |
32 #include "UUID.h" | 32 #include "core/platform/UUID.h" |
33 | 33 |
34 #include <wtf/CryptographicallyRandomNumber.h> | 34 #include <wtf/CryptographicallyRandomNumber.h> |
35 #include <wtf/HexNumber.h> | 35 #include <wtf/HexNumber.h> |
36 #include <wtf/text/StringBuilder.h> | 36 #include <wtf/text/StringBuilder.h> |
37 | 37 |
38 namespace WebCore { | 38 namespace WebCore { |
39 | 39 |
40 String createCanonicalUUIDString() | 40 String createCanonicalUUIDString() |
41 { | 41 { |
42 unsigned randomData[4]; | 42 unsigned randomData[4]; |
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53 builder.append("-"); | 53 builder.append("-"); |
54 appendUnsignedAsHexFixedSize((randomData[2] >> 30) | 0x8, builder, 1, Lowerc
ase); | 54 appendUnsignedAsHexFixedSize((randomData[2] >> 30) | 0x8, builder, 1, Lowerc
ase); |
55 appendUnsignedAsHexFixedSize((randomData[2] >> 16) & 0x00000fff, builder, 3,
Lowercase); | 55 appendUnsignedAsHexFixedSize((randomData[2] >> 16) & 0x00000fff, builder, 3,
Lowercase); |
56 builder.append("-"); | 56 builder.append("-"); |
57 appendUnsignedAsHexFixedSize(randomData[2] & 0x0000ffff, builder, 4, Lowerca
se); | 57 appendUnsignedAsHexFixedSize(randomData[2] & 0x0000ffff, builder, 4, Lowerca
se); |
58 appendUnsignedAsHexFixedSize(randomData[3], builder, 8, Lowercase); | 58 appendUnsignedAsHexFixedSize(randomData[3], builder, 8, Lowercase); |
59 return builder.toString(); | 59 return builder.toString(); |
60 } | 60 } |
61 | 61 |
62 } | 62 } |
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