| 1 |
diff -up perl-5.10.0/embed.fnc.much perl-5.10.0/embed.fnc
|
| 2 |
--- perl-5.10.0/embed.fnc.much 2009-07-27 08:31:33.839374246 +0200
|
| 3 |
+++ perl-5.10.0/embed.fnc 2009-07-27 08:32:05.322374620 +0200
|
| 4 |
@@ -1441,7 +1441,6 @@ ERsn |U8* |reghop4 |NN U8 *pos|I32 off|N
|
| 5 |
#endif
|
| 6 |
ERsn |U8* |reghopmaybe3 |NN U8 *pos|I32 off|NN const U8 *lim
|
| 7 |
ERs |char* |find_byclass |NN regexp * prog|NN const regnode *c|NN char *s|NN const char *strend|NULLOK regmatch_info *reginfo
|
| 8 |
-Es |void |swap_match_buff|NN regexp * prog
|
| 9 |
Es |void |to_utf8_substr |NN regexp * prog
|
| 10 |
Es |void |to_byte_substr |NN regexp * prog
|
| 11 |
ERs |I32 |reg_check_named_buff_matched |NN const regexp *rex|NN const regnode *prog
|
| 12 |
diff -up perl-5.10.0/embed.h.much perl-5.10.0/embed.h
|
| 13 |
--- perl-5.10.0/embed.h.much 2007-12-18 11:47:07.000000000 +0100
|
| 14 |
+++ perl-5.10.0/embed.h 2009-07-27 08:31:34.016378805 +0200
|
| 15 |
@@ -1426,7 +1426,6 @@
|
| 16 |
#if defined(PERL_CORE) || defined(PERL_EXT)
|
| 17 |
#define reghopmaybe3 S_reghopmaybe3
|
| 18 |
#define find_byclass S_find_byclass
|
| 19 |
-#define swap_match_buff S_swap_match_buff
|
| 20 |
#define to_utf8_substr S_to_utf8_substr
|
| 21 |
#define to_byte_substr S_to_byte_substr
|
| 22 |
#define reg_check_named_buff_matched S_reg_check_named_buff_matched
|
| 23 |
@@ -3714,7 +3713,6 @@
|
| 24 |
#if defined(PERL_CORE) || defined(PERL_EXT)
|
| 25 |
#define reghopmaybe3 S_reghopmaybe3
|
| 26 |
#define find_byclass(a,b,c,d,e) S_find_byclass(aTHX_ a,b,c,d,e)
|
| 27 |
-#define swap_match_buff(a) S_swap_match_buff(aTHX_ a)
|
| 28 |
#define to_utf8_substr(a) S_to_utf8_substr(aTHX_ a)
|
| 29 |
#define to_byte_substr(a) S_to_byte_substr(aTHX_ a)
|
| 30 |
#define reg_check_named_buff_matched(a,b) S_reg_check_named_buff_matched(aTHX_ a,b)
|
| 31 |
diff -up perl-5.10.0/ext/Devel/PPPort/parts/embed.fnc.much perl-5.10.0/ext/Devel/PPPort/parts/embed.fnc
|
| 32 |
--- perl-5.10.0/ext/Devel/PPPort/parts/embed.fnc.much 2007-12-18 11:47:07.000000000 +0100
|
| 33 |
+++ perl-5.10.0/ext/Devel/PPPort/parts/embed.fnc 2009-07-27 08:32:58.859374528 +0200
|
| 34 |
@@ -1436,7 +1436,6 @@ ERsn |U8* |reghop4 |NN U8 *pos|I32 off|N
|
| 35 |
#endif
|
| 36 |
ERsn |U8* |reghopmaybe3 |NN U8 *pos|I32 off|NN const U8 *lim
|
| 37 |
ERs |char* |find_byclass |NN regexp * prog|NN const regnode *c|NN char *s|NN const char *strend|NULLOK regmatch_info *reginfo
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| 38 |
-Es |void |swap_match_buff|NN regexp * prog
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| 39 |
Es |void |to_utf8_substr |NN regexp * prog
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| 40 |
Es |void |to_byte_substr |NN regexp * prog
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| 41 |
ERs |I32 |reg_check_named_buff_matched |NN const regexp *rex|NN const regnode *prog
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| 42 |
diff -up perl-5.10.0/pod/perlapi.pod.much perl-5.10.0/pod/perlapi.pod
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| 43 |
diff -up perl-5.10.0/pod/perlguts.pod.much perl-5.10.0/pod/perlguts.pod
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| 44 |
diff -up perl-5.10.0/proto.h.much perl-5.10.0/proto.h
|
| 45 |
--- perl-5.10.0/proto.h.much 2009-07-27 08:31:33.000000000 +0200
|
| 46 |
+++ perl-5.10.0/proto.h 2009-07-27 08:35:52.103374484 +0200
|
| 47 |
@@ -3851,9 +3851,6 @@ STATIC char* S_find_byclass(pTHX_ regexp
|
| 48 |
__attribute__nonnull__(pTHX_3)
|
| 49 |
__attribute__nonnull__(pTHX_4);
|
| 50 |
|
| 51 |
-STATIC void S_swap_match_buff(pTHX_ regexp * prog)
|
| 52 |
- __attribute__nonnull__(pTHX_1);
|
| 53 |
-
|
| 54 |
STATIC void S_to_utf8_substr(pTHX_ regexp * prog)
|
| 55 |
__attribute__nonnull__(pTHX_1);
|
| 56 |
|
| 57 |
diff -up perl-5.10.0/regcomp.c.much perl-5.10.0/regcomp.c
|
| 58 |
--- perl-5.10.0/regcomp.c.much 2009-07-27 08:31:33.000000000 +0200
|
| 59 |
+++ perl-5.10.0/regcomp.c 2009-07-27 08:37:09.598625044 +0200
|
| 60 |
@@ -9167,7 +9167,6 @@ Perl_pregfree(pTHX_ struct regexp *r)
|
| 61 |
if (r->saved_copy)
|
| 62 |
SvREFCNT_dec(r->saved_copy);
|
| 63 |
#endif
|
| 64 |
- Safefree(r->swap);
|
| 65 |
Safefree(r->offs);
|
| 66 |
Safefree(r);
|
| 67 |
}
|
| 68 |
@@ -9216,7 +9215,6 @@ Perl_reg_temp_copy (pTHX_ struct regexp
|
| 69 |
ret->saved_copy = NULL;
|
| 70 |
#endif
|
| 71 |
ret->mother_re = r;
|
| 72 |
- ret->swap = NULL;
|
| 73 |
|
| 74 |
return ret;
|
| 75 |
}
|
| 76 |
diff -up perl-5.10.0/regexec.c.much perl-5.10.0/regexec.c
|
| 77 |
--- perl-5.10.0/regexec.c.much 2007-12-18 11:47:08.000000000 +0100
|
| 78 |
+++ perl-5.10.0/regexec.c 2009-07-27 08:40:15.966404877 +0200
|
| 79 |
@@ -1718,26 +1718,6 @@ S_find_byclass(pTHX_ regexp * prog, cons
|
| 80 |
return s;
|
| 81 |
}
|
| 82 |
|
| 83 |
-static void
|
| 84 |
-S_swap_match_buff (pTHX_ regexp *prog) {
|
| 85 |
- regexp_paren_pair *t;
|
| 86 |
-
|
| 87 |
- if (!prog->swap) {
|
| 88 |
- /* We have to be careful. If the previous successful match
|
| 89 |
- was from this regex we don't want a subsequent paritally
|
| 90 |
- successful match to clobber the old results.
|
| 91 |
- So when we detect this possibility we add a swap buffer
|
| 92 |
- to the re, and switch the buffer each match. If we fail
|
| 93 |
- we switch it back, otherwise we leave it swapped.
|
| 94 |
- */
|
| 95 |
- Newxz(prog->swap, (prog->nparens + 1), regexp_paren_pair);
|
| 96 |
- }
|
| 97 |
- t = prog->swap;
|
| 98 |
- prog->swap = prog->offs;
|
| 99 |
- prog->offs = t;
|
| 100 |
-}
|
| 101 |
-
|
| 102 |
-
|
| 103 |
/*
|
| 104 |
- regexec_flags - match a regexp against a string
|
| 105 |
*/
|
| 106 |
@@ -1765,7 +1745,7 @@ Perl_regexec_flags(pTHX_ REGEXP * const
|
| 107 |
I32 multiline;
|
| 108 |
RXi_GET_DECL(prog,progi);
|
| 109 |
regmatch_info reginfo; /* create some info to pass to regtry etc */
|
| 110 |
- bool swap_on_fail = 0;
|
| 111 |
+ regexp_paren_pair *swap = NULL;
|
| 112 |
|
| 113 |
GET_RE_DEBUG_FLAGS_DECL;
|
| 114 |
|
| 115 |
@@ -1843,9 +1823,16 @@ Perl_regexec_flags(pTHX_ REGEXP * const
|
| 116 |
reginfo.ganch = strbeg;
|
| 117 |
}
|
| 118 |
if (PL_curpm && (PM_GETRE(PL_curpm) == prog)) {
|
| 119 |
- swap_on_fail = 1;
|
| 120 |
- swap_match_buff(prog); /* do we need a save destructor here for
|
| 121 |
- eval dies? */
|
| 122 |
+ /* We have to be careful. If the previous successful match
|
| 123 |
+ was from this regex we don't want a subsequent partially
|
| 124 |
+ successful match to clobber the old results.
|
| 125 |
+ So when we detect this possibility we add a swap buffer
|
| 126 |
+ to the re, and switch the buffer each match. If we fail
|
| 127 |
+ we switch it back, otherwise we leave it swapped.
|
| 128 |
+ */
|
| 129 |
+ swap = prog->offs;
|
| 130 |
+ /* do we need a save destructor here for eval dies? */
|
| 131 |
+ Newxz(prog->offs, (prog->nparens + 1), regexp_paren_pair);
|
| 132 |
}
|
| 133 |
if (!(flags & REXEC_CHECKED) && (prog->check_substr != NULL || prog->check_utf8 != NULL)) {
|
| 134 |
re_scream_pos_data d;
|
| 135 |
@@ -2144,6 +2131,7 @@ Perl_regexec_flags(pTHX_ REGEXP * const
|
| 136 |
goto phooey;
|
| 137 |
|
| 138 |
got_it:
|
| 139 |
+ Safefree(swap);
|
| 140 |
RX_MATCH_TAINTED_set(prog, PL_reg_flags & RF_tainted);
|
| 141 |
|
| 142 |
if (PL_reg_eval_set)
|
| 143 |
@@ -2189,10 +2177,12 @@ phooey:
|
| 144 |
PL_colors[4], PL_colors[5]));
|
| 145 |
if (PL_reg_eval_set)
|
| 146 |
restore_pos(aTHX_ prog);
|
| 147 |
- if (swap_on_fail)
|
| 148 |
+ if (swap) {
|
| 149 |
/* we failed :-( roll it back */
|
| 150 |
- swap_match_buff(prog);
|
| 151 |
-
|
| 152 |
+ Safefree(prog->offs);
|
| 153 |
+ prog->offs = swap;
|
| 154 |
+ }
|
| 155 |
+
|
| 156 |
return 0;
|
| 157 |
}
|
| 158 |
|
| 159 |
diff -up perl-5.10.0/regexp.h.much perl-5.10.0/regexp.h
|
| 160 |
--- perl-5.10.0/regexp.h.much 2007-12-18 11:47:08.000000000 +0100
|
| 161 |
+++ perl-5.10.0/regexp.h 2009-07-27 08:41:06.882374786 +0200
|
| 162 |
@@ -88,7 +88,7 @@ typedef struct regexp {
|
| 163 |
/* Data about the last/current match. These are modified during matching*/
|
| 164 |
U32 lastparen; /* last open paren matched */
|
| 165 |
U32 lastcloseparen; /* last close paren matched */
|
| 166 |
- regexp_paren_pair *swap; /* Swap copy of *offs */
|
| 167 |
+ regexp_paren_pair *swap; /* Unused: 5.10.1 and later */
|
| 168 |
regexp_paren_pair *offs; /* Array of offsets for (@-) and (@+) */
|
| 169 |
|
| 170 |
char *subbeg; /* saved or original string
|
| 171 |
diff -up perl-5.10.0/t/op/pat.t.much perl-5.10.0/t/op/pat.t
|
| 172 |
--- perl-5.10.0/t/op/pat.t.much 2007-12-18 11:47:08.000000000 +0100
|
| 173 |
+++ perl-5.10.0/t/op/pat.t 2009-07-27 08:44:50.343375513 +0200
|
| 174 |
@@ -4558,10 +4558,27 @@ ok($@=~/\QSequence \k... not terminated
|
| 175 |
ok("aaa" =~ /$s/, "#45337");
|
| 176 |
}
|
| 177 |
|
| 178 |
+# This only works under -DEBUGGING because it relies on an assert().
|
| 179 |
+{
|
| 180 |
+ local $BugId = '60508';
|
| 181 |
+ local $Message = "Check capture offset re-entrancy of utf8 code.";
|
| 182 |
+
|
| 183 |
+ sub fswash { $_[0] =~ s/([>X])//g; }
|
| 184 |
+ my $k1 = "." x 4 . ">>";
|
| 185 |
+ fswash($k1);
|
| 186 |
+
|
| 187 |
+ my $k2 = "\x{f1}\x{2022}";
|
| 188 |
+ $k2 =~ s/([\360-\362])/>/g;
|
| 189 |
+ fswash($k2);
|
| 190 |
+
|
| 191 |
+ iseq($k2, "\x{2022}", "utf8::SWASHNEW doesn't cause capture leaks");
|
| 192 |
+}
|
| 193 |
+
|
| 194 |
# Put new tests above the dotted line about a page above this comment
|
| 195 |
iseq(0+$::test,$::TestCount,"Got the right number of tests!");
|
| 196 |
# Don't forget to update this!
|
| 197 |
BEGIN {
|
| 198 |
- $::TestCount = 4013;
|
| 199 |
+ $::TestCount = 4014;
|
| 200 |
print "1..$::TestCount\n";
|
| 201 |
}
|
| 202 |
+
|