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1 | ################################################################################ |
2 | ## |
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3 | ## $Revision: 4 $ |
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4 | ## $Author: mhx $ |
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5 | ## $Date: 2008/01/04 10:47:40 +0100 $ |
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6 | ## |
7 | ################################################################################ |
8 | ## |
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9 | ## Version 3.x, Copyright (C) 2004-2008, Marcus Holland-Moritz. |
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10 | ## Version 2.x, Copyright (C) 2001, Paul Marquess. |
11 | ## Version 1.x, Copyright (C) 1999, Kenneth Albanowski. |
12 | ## |
13 | ## This program is free software; you can redistribute it and/or |
14 | ## modify it under the same terms as Perl itself. |
15 | ## |
16 | ################################################################################ |
17 | |
18 | =provides |
19 | |
20 | newSVpvn_share |
21 | __UNDEFINED__ |
22 | |
23 | =implementation |
24 | |
25 | #ifndef newSVpvn_share |
26 | |
27 | #if { NEED newSVpvn_share } |
28 | |
29 | SV * |
30 | newSVpvn_share(pTHX_ const char *src, I32 len, U32 hash) |
31 | { |
32 | SV *sv; |
33 | if (len < 0) |
34 | len = -len; |
35 | if (!hash) |
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36 | PERL_HASH(hash, (char*) src, len); |
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37 | sv = newSVpvn((char *) src, len); |
38 | sv_upgrade(sv, SVt_PVIV); |
39 | SvIVX(sv) = hash; |
40 | SvREADONLY_on(sv); |
41 | SvPOK_on(sv); |
42 | return sv; |
43 | } |
44 | |
45 | #endif |
46 | |
47 | #endif |
48 | |
49 | __UNDEFINED__ SvSHARED_HASH(sv) (0 + SvUVX(sv)) |
50 | |
51 | =xsinit |
52 | |
53 | #define NEED_newSVpvn_share |
54 | |
55 | =xsubs |
56 | |
57 | int |
58 | newSVpvn_share() |
59 | PREINIT: |
60 | const char *s; |
61 | SV *sv; |
62 | STRLEN len; |
63 | U32 hash; |
64 | CODE: |
65 | RETVAL = 0; |
66 | s = "mhx"; |
67 | len = 3; |
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68 | PERL_HASH(hash, (char *) s, len); |
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69 | sv = newSVpvn_share(s, len, 0); |
70 | s = 0; |
71 | RETVAL += strEQ(SvPV_nolen_const(sv), "mhx"); |
72 | RETVAL += SvCUR(sv) == len; |
73 | RETVAL += SvSHARED_HASH(sv) == hash; |
74 | SvREFCNT_dec(sv); |
75 | s = "foobar"; |
76 | len = 6; |
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77 | PERL_HASH(hash, (char *) s, len); |
78 | sv = newSVpvn_share(s, -(I32) len, hash); |
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79 | s = 0; |
80 | RETVAL += strEQ(SvPV_nolen_const(sv), "foobar"); |
81 | RETVAL += SvCUR(sv) == len; |
82 | RETVAL += SvSHARED_HASH(sv) == hash; |
83 | SvREFCNT_dec(sv); |
84 | OUTPUT: |
85 | RETVAL |
86 | |
87 | |
88 | =tests plan => 1 |
89 | |
90 | ok(&Devel::PPPort::newSVpvn_share(), 6); |
91 | |