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annotate perl-5.22.2/inline.h @ 8045:a16537d2fe07

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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
author HackBot
date Sat, 14 May 2016 14:54:38 +0000
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8045
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1 /* inline.h
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2 *
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3 * Copyright (C) 2012 by Larry Wall and others
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4 *
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5 * You may distribute under the terms of either the GNU General Public
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6 * License or the Artistic License, as specified in the README file.
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7 *
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8 * This file is a home for static inline functions that cannot go in other
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9 * headers files, because they depend on proto.h (included after most other
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10 * headers) or struct definitions.
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11 *
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12 * Each section names the header file that the functions "belong" to.
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13 */
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14
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15 /* ------------------------------- av.h ------------------------------- */
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16
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17 PERL_STATIC_INLINE SSize_t
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18 S_av_top_index(pTHX_ AV *av)
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19 {
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20 PERL_ARGS_ASSERT_AV_TOP_INDEX;
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21 assert(SvTYPE(av) == SVt_PVAV);
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22
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23 return AvFILL(av);
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24 }
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25
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26 /* ------------------------------- cv.h ------------------------------- */
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27
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28 PERL_STATIC_INLINE GV *
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29 S_CvGV(pTHX_ CV *sv)
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30 {
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31 return CvNAMED(sv)
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32 ? Perl_cvgv_from_hek(aTHX_ sv)
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33 : ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_gv_u.xcv_gv;
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34 }
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35
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36 PERL_STATIC_INLINE I32 *
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37 S_CvDEPTHp(const CV * const sv)
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38 {
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39 assert(SvTYPE(sv) == SVt_PVCV || SvTYPE(sv) == SVt_PVFM);
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40 return &((XPVCV*)SvANY(sv))->xcv_depth;
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41 }
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42
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43 /*
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44 CvPROTO returns the prototype as stored, which is not necessarily what
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45 the interpreter should be using. Specifically, the interpreter assumes
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46 that spaces have been stripped, which has been the case if the prototype
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47 was added by toke.c, but is generally not the case if it was added elsewhere.
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48 Since we can't enforce the spacelessness at assignment time, this routine
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49 provides a temporary copy at parse time with spaces removed.
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50 I<orig> is the start of the original buffer, I<len> is the length of the
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51 prototype and will be updated when this returns.
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52 */
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53
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54 #ifdef PERL_CORE
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55 PERL_STATIC_INLINE char *
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56 S_strip_spaces(pTHX_ const char * orig, STRLEN * const len)
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57 {
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58 SV * tmpsv;
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59 char * tmps;
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60 tmpsv = newSVpvn_flags(orig, *len, SVs_TEMP);
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61 tmps = SvPVX(tmpsv);
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62 while ((*len)--) {
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63 if (!isSPACE(*orig))
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64 *tmps++ = *orig;
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65 orig++;
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66 }
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67 *tmps = '\0';
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68 *len = tmps - SvPVX(tmpsv);
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69 return SvPVX(tmpsv);
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70 }
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71 #endif
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72
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73 /* ------------------------------- mg.h ------------------------------- */
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74
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75 #if defined(PERL_CORE) || defined(PERL_EXT)
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76 /* assumes get-magic and stringification have already occurred */
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77 PERL_STATIC_INLINE STRLEN
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78 S_MgBYTEPOS(pTHX_ MAGIC *mg, SV *sv, const char *s, STRLEN len)
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79 {
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80 assert(mg->mg_type == PERL_MAGIC_regex_global);
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81 assert(mg->mg_len != -1);
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82 if (mg->mg_flags & MGf_BYTES || !DO_UTF8(sv))
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83 return (STRLEN)mg->mg_len;
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84 else {
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85 const STRLEN pos = (STRLEN)mg->mg_len;
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86 /* Without this check, we may read past the end of the buffer: */
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87 if (pos > sv_or_pv_len_utf8(sv, s, len)) return len+1;
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88 return sv_or_pv_pos_u2b(sv, s, pos, NULL);
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89 }
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90 }
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91 #endif
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92
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93 /* ------------------------------- pad.h ------------------------------ */
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94
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95 #if defined(PERL_IN_PAD_C) || defined(PERL_IN_OP_C)
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96 PERL_STATIC_INLINE bool
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97 PadnameIN_SCOPE(const PADNAME * const pn, const U32 seq)
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98 {
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99 /* is seq within the range _LOW to _HIGH ?
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100 * This is complicated by the fact that PL_cop_seqmax
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101 * may have wrapped around at some point */
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102 if (COP_SEQ_RANGE_LOW(pn) == PERL_PADSEQ_INTRO)
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103 return FALSE; /* not yet introduced */
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104
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105 if (COP_SEQ_RANGE_HIGH(pn) == PERL_PADSEQ_INTRO) {
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106 /* in compiling scope */
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107 if (
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108 (seq > COP_SEQ_RANGE_LOW(pn))
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109 ? (seq - COP_SEQ_RANGE_LOW(pn) < (U32_MAX >> 1))
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110 : (COP_SEQ_RANGE_LOW(pn) - seq > (U32_MAX >> 1))
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111 )
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112 return TRUE;
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113 }
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114 else if (
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115 (COP_SEQ_RANGE_LOW(pn) > COP_SEQ_RANGE_HIGH(pn))
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116 ?
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117 ( seq > COP_SEQ_RANGE_LOW(pn)
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118 || seq <= COP_SEQ_RANGE_HIGH(pn))
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119
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120 : ( seq > COP_SEQ_RANGE_LOW(pn)
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121 && seq <= COP_SEQ_RANGE_HIGH(pn))
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122 )
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123 return TRUE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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124 return FALSE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
125 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
126 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
127
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
128 /* ----------------------------- regexp.h ----------------------------- */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
129
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
130 PERL_STATIC_INLINE struct regexp *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
131 S_ReANY(const REGEXP * const re)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
132 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
133 assert(isREGEXP(re));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
134 return re->sv_u.svu_rx;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
135 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
136
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
137 /* ------------------------------- sv.h ------------------------------- */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
138
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
139 PERL_STATIC_INLINE SV *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
140 S_SvREFCNT_inc(SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
141 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
142 if (LIKELY(sv != NULL))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
143 SvREFCNT(sv)++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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144 return sv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
145 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
146 PERL_STATIC_INLINE SV *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
147 S_SvREFCNT_inc_NN(SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
148 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
149 SvREFCNT(sv)++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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150 return sv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
151 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
152 PERL_STATIC_INLINE void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
153 S_SvREFCNT_inc_void(SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
154 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
155 if (LIKELY(sv != NULL))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
156 SvREFCNT(sv)++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
157 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
158 PERL_STATIC_INLINE void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
159 S_SvREFCNT_dec(pTHX_ SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
160 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
161 if (LIKELY(sv != NULL)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
162 U32 rc = SvREFCNT(sv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
163 if (LIKELY(rc > 1))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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164 SvREFCNT(sv) = rc - 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
165 else
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
166 Perl_sv_free2(aTHX_ sv, rc);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
167 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
168 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
169
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
170 PERL_STATIC_INLINE void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
171 S_SvREFCNT_dec_NN(pTHX_ SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
172 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
173 U32 rc = SvREFCNT(sv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
174 if (LIKELY(rc > 1))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
175 SvREFCNT(sv) = rc - 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
176 else
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
177 Perl_sv_free2(aTHX_ sv, rc);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
178 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
179
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
180 PERL_STATIC_INLINE void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
181 SvAMAGIC_on(SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
182 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
183 assert(SvROK(sv));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
184 if (SvOBJECT(SvRV(sv))) HvAMAGIC_on(SvSTASH(SvRV(sv)));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
185 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
186 PERL_STATIC_INLINE void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
187 SvAMAGIC_off(SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
188 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
189 if (SvROK(sv) && SvOBJECT(SvRV(sv)))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
190 HvAMAGIC_off(SvSTASH(SvRV(sv)));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
191 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
192
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
193 PERL_STATIC_INLINE U32
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
194 S_SvPADSTALE_on(SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
195 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
196 assert(!(SvFLAGS(sv) & SVs_PADTMP));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
197 return SvFLAGS(sv) |= SVs_PADSTALE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
198 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
199 PERL_STATIC_INLINE U32
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
200 S_SvPADSTALE_off(SV *sv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
201 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
202 assert(!(SvFLAGS(sv) & SVs_PADTMP));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
203 return SvFLAGS(sv) &= ~SVs_PADSTALE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
204 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
205 #if defined(PERL_CORE) || defined (PERL_EXT)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
206 PERL_STATIC_INLINE STRLEN
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
207 S_sv_or_pv_pos_u2b(pTHX_ SV *sv, const char *pv, STRLEN pos, STRLEN *lenp)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
208 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
209 PERL_ARGS_ASSERT_SV_OR_PV_POS_U2B;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
210 if (SvGAMAGIC(sv)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
211 U8 *hopped = utf8_hop((U8 *)pv, pos);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
212 if (lenp) *lenp = (STRLEN)(utf8_hop(hopped, *lenp) - hopped);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
213 return (STRLEN)(hopped - (U8 *)pv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
214 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
215 return sv_pos_u2b_flags(sv,pos,lenp,SV_CONST_RETURN);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
216 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
217 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
218
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
219 /* ------------------------------- handy.h ------------------------------- */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
220
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
221 /* saves machine code for a common noreturn idiom typically used in Newx*() */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
222 #ifdef GCC_DIAG_PRAGMA
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
223 GCC_DIAG_IGNORE(-Wunused-function) /* Intentionally left semicolonless. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
224 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
225 static void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
226 S_croak_memory_wrap(void)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
227 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
228 Perl_croak_nocontext("%s",PL_memory_wrap);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
229 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
230 #ifdef GCC_DIAG_PRAGMA
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
231 GCC_DIAG_RESTORE /* Intentionally left semicolonless. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
232 #endif
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
233
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
234 /* ------------------------------- utf8.h ------------------------------- */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
235
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
236 PERL_STATIC_INLINE void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
237 S_append_utf8_from_native_byte(const U8 byte, U8** dest)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
238 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
239 /* Takes an input 'byte' (Latin1 or EBCDIC) and appends it to the UTF-8
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
240 * encoded string at '*dest', updating '*dest' to include it */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
241
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
242 PERL_ARGS_ASSERT_APPEND_UTF8_FROM_NATIVE_BYTE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
243
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
244 if (NATIVE_BYTE_IS_INVARIANT(byte))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
245 *(*dest)++ = byte;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
246 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
247 *(*dest)++ = UTF8_EIGHT_BIT_HI(byte);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
248 *(*dest)++ = UTF8_EIGHT_BIT_LO(byte);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
249 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
250 }
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251
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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252 /*
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253
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254 A helper function for the macro isUTF8_CHAR(), which should be used instead of
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255 this function. The macro will handle smaller code points directly saving time,
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256 using this function as a fall-back for higher code points.
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257
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258 Tests if the first bytes of string C<s> form a valid UTF-8 character. 0 is
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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259 returned if the bytes starting at C<s> up to but not including C<e> do not form a
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260 complete well-formed UTF-8 character; otherwise the number of bytes in the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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261 character is returned.
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262
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263 Note that an INVARIANT (i.e. ASCII on non-EBCDIC) character is a valid UTF-8
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264 character.
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265
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266 =cut */
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267 PERL_STATIC_INLINE STRLEN
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268 S__is_utf8_char_slow(const U8 *s, const U8 *e)
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269 {
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270 dTHX; /* The function called below requires thread context */
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271
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272 STRLEN actual_len;
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273
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274 PERL_ARGS_ASSERT__IS_UTF8_CHAR_SLOW;
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275
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276 assert(e >= s);
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277 utf8n_to_uvchr(s, e - s, &actual_len, UTF8_CHECK_ONLY);
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278
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279 return (actual_len == (STRLEN) -1) ? 0 : actual_len;
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280 }
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281
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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282 /* ------------------------------- perl.h ----------------------------- */
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283
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284 /*
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285 =head1 Miscellaneous Functions
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286
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287 =for apidoc AiR|bool|is_safe_syscall|const char *pv|STRLEN len|const char *what|const char *op_name
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288
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289 Test that the given C<pv> doesn't contain any internal C<NUL> characters.
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290 If it does, set C<errno> to ENOENT, optionally warn, and return FALSE.
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291
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292 Return TRUE if the name is safe.
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293
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294 Used by the IS_SAFE_SYSCALL() macro.
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295
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296 =cut
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297 */
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298
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299 PERL_STATIC_INLINE bool
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300 S_is_safe_syscall(pTHX_ const char *pv, STRLEN len, const char *what, const char *op_name) {
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301 /* While the Windows CE API provides only UCS-16 (or UTF-16) APIs
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302 * perl itself uses xce*() functions which accept 8-bit strings.
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303 */
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304
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305 PERL_ARGS_ASSERT_IS_SAFE_SYSCALL;
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306
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307 if (len > 1) {
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308 char *null_at;
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309 if (UNLIKELY((null_at = (char *)memchr(pv, 0, len-1)) != NULL)) {
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310 SETERRNO(ENOENT, LIB_INVARG);
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311 Perl_ck_warner(aTHX_ packWARN(WARN_SYSCALLS),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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312 "Invalid \\0 character in %s for %s: %s\\0%s",
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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313 what, op_name, pv, null_at+1);
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314 return FALSE;
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315 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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316 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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317
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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318 return TRUE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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319 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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320
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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321 /*
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322
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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323 Return true if the supplied filename has a newline character
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324 immediately before the final NUL.
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325
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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326 My original look at this incorrectly used the len from SvPV(), but
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327 that's incorrect, since we allow for a NUL in pv[len-1].
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328
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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329 So instead, strlen() and work from there.
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330
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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331 This allow for the user reading a filename, forgetting to chomp it,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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332 then calling:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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333
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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334 open my $foo, "$file\0";
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335
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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336 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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337
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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338 #ifdef PERL_CORE
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339
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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340 PERL_STATIC_INLINE bool
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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341 S_should_warn_nl(const char *pv) {
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342 STRLEN len;
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343
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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344 PERL_ARGS_ASSERT_SHOULD_WARN_NL;
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345
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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346 len = strlen(pv);
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347
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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348 return len > 0 && pv[len-1] == '\n';
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349 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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350
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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351 #endif
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352
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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353 /* ------------------ pp.c, regcomp.c, toke.c, universal.c ------------ */
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354
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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355 #define MAX_CHARSET_NAME_LENGTH 2
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356
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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357 PERL_STATIC_INLINE const char *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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358 get_regex_charset_name(const U32 flags, STRLEN* const lenp)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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359 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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360 /* Returns a string that corresponds to the name of the regex character set
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361 * given by 'flags', and *lenp is set the length of that string, which
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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362 * cannot exceed MAX_CHARSET_NAME_LENGTH characters */
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363
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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364 *lenp = 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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365 switch (get_regex_charset(flags)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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366 case REGEX_DEPENDS_CHARSET: return DEPENDS_PAT_MODS;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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367 case REGEX_LOCALE_CHARSET: return LOCALE_PAT_MODS;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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368 case REGEX_UNICODE_CHARSET: return UNICODE_PAT_MODS;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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369 case REGEX_ASCII_RESTRICTED_CHARSET: return ASCII_RESTRICT_PAT_MODS;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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370 case REGEX_ASCII_MORE_RESTRICTED_CHARSET:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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371 *lenp = 2;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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372 return ASCII_MORE_RESTRICT_PAT_MODS;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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373 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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374 /* The NOT_REACHED; hides an assert() which has a rather complex
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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375 * definition in perl.h. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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376 NOT_REACHED; /* NOTREACHED */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
377 return "?"; /* Unknown */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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378 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
379
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
380 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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381
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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382 Return false if any get magic is on the SV other than taint magic.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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383
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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384 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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385
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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386 PERL_STATIC_INLINE bool
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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387 S_sv_only_taint_gmagic(SV *sv) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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388 MAGIC *mg = SvMAGIC(sv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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389
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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390 PERL_ARGS_ASSERT_SV_ONLY_TAINT_GMAGIC;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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391
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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392 while (mg) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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393 if (mg->mg_type != PERL_MAGIC_taint
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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394 && !(mg->mg_flags & MGf_GSKIP)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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395 && mg->mg_virtual->svt_get) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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396 return FALSE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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397 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
398 mg = mg->mg_moremagic;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
399 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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400
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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401 return TRUE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
402 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
403
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
404 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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405 * ex: set ts=8 sts=4 sw=4 et:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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406 */