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1 | ################################################################################ |
| 2 | ## |
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3 | ## $Revision: 5 $ |
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4 | ## $Author: mhx $ |
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5 | ## $Date: 2009/01/18 14:10:52 +0100 $ |
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6 | ## |
| 7 | ################################################################################ |
| 8 | ## |
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9 | ## Version 3.x, Copyright (C) 2004-2009, 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 | |
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