| 1 | regexec.c
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| 2 |
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| 3 | This test generates "bad free" warnings when run under
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| 4 | PERL_DESTRUCT_LEVEL. This file merely serves as a placeholder
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| 5 | for investigation.
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| 6 |
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| 7 | Complex regular subexpression recursion limit (%d) exceeded
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| 8 |
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| 9 | $_ = 'a' x (2**15+1); /^()(a\1)*$/ ;
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| 10 | Complex regular subexpression recursion limit (%d) exceeded
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| 11 |
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| 12 | $_ = 'a' x (2**15+1); /^()(a\1)*?$/ ;
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| 13 |
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| 14 | (The actual value substituted for %d is masked in the tests so that
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| 15 | REG_INFTY configuration variable value does not affect outcome.)
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| 16 | __END__
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| 17 | # regexec.c
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| 18 | print("SKIPPED\n# most systems run into stacksize limits\n"),exit;
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| 19 | use warnings 'regexp' ;
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| 20 | $SIG{__WARN__} = sub{local ($m) = shift;
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| 21 | $m =~ s/\(\d+\)/(*MASKED*)/;
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| 22 | print STDERR $m};
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| 23 | $_ = 'a' x (2**15+1);
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| 24 | /^()(a\1)*$/ ;
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| 25 | #
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| 26 | # If this test fails with a segmentation violation or similar,
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| 27 | # you may have to increase the default stacksize limit in your
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| 28 | # shell. You may need superuser privileges.
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| 29 | #
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| 30 | # Under the sh, ksh, zsh:
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| 31 | # $ ulimit -s
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| 32 | # 8192
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| 33 | # $ ulimit -s 16000
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| 34 | #
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| 35 | # Under the csh:
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| 36 | # % limit stacksize
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| 37 | # stacksize 8192 kbytes
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| 38 | # % limit stacksize 16000
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| 39 | #
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| 40 | EXPECT
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| 41 | Complex regular subexpression recursion limit (*MASKED*) exceeded at - line 9.
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| 42 | ########
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| 43 | # regexec.c
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| 44 | print("SKIPPED\n# most systems run into stacksize limits\n"),exit;
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| 45 | no warnings 'regexp' ;
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| 46 | $SIG{__WARN__} = sub{local ($m) = shift;
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| 47 | $m =~ s/\(\d+\)/(*MASKED*)/;
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| 48 | print STDERR $m};
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| 49 | $_ = 'a' x (2**15+1);
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| 50 | /^()(a\1)*$/ ;
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| 51 | #
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| 52 | # If this test fails with a segmentation violation or similar,
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| 53 | # you may have to increase the default stacksize limit in your
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| 54 | # shell. You may need superuser privileges.
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| 55 | #
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| 56 | # Under the sh, ksh, zsh:
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| 57 | # $ ulimit -s
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| 58 | # 8192
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| 59 | # $ ulimit -s 16000
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| 60 | #
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| 61 | # Under the csh:
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| 62 | # % limit stacksize
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| 63 | # stacksize 8192 kbytes
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| 64 | # % limit stacksize 16000
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| 65 | #
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| 66 | EXPECT
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| 67 |
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| 68 | ########
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| 69 | # regexec.c
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| 70 | print("SKIPPED\n# most systems run into stacksize limits\n"),exit;
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| 71 | use warnings 'regexp' ;
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| 72 | $SIG{__WARN__} = sub{local ($m) = shift;
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| 73 | $m =~ s/\(\d+\)/(*MASKED*)/;
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| 74 | print STDERR $m};
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| 75 | $_ = 'a' x (2**15+1);
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| 76 | /^()(a\1)*?$/ ;
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| 77 | #
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| 78 | # If this test fails with a segmentation violation or similar,
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| 79 | # you may have to increase the default stacksize limit in your
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| 80 | # shell. You may need superuser privileges.
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| 81 | #
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| 82 | # Under the sh, ksh, zsh:
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| 83 | # $ ulimit -s
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| 84 | # 8192
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| 85 | # $ ulimit -s 16000
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| 86 | #
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| 87 | # Under the csh:
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| 88 | # % limit stacksize
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| 89 | # stacksize 8192 kbytes
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| 90 | # % limit stacksize 16000
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| 91 | #
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| 92 | EXPECT
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| 93 | Complex regular subexpression recursion limit (*MASKED*) exceeded at - line 9.
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| 94 | ########
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| 95 | # regexec.c
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| 96 | print("SKIPPED\n# most systems run into stacksize limits\n"),exit;
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| 97 | no warnings 'regexp' ;
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| 98 | $SIG{__WARN__} = sub{local ($m) = shift;
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| 99 | $m =~ s/\(\d+\)/(*MASKED*)/;
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| 100 | print STDERR $m};
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| 101 | $_ = 'a' x (2**15+1);
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| 102 | /^()(a\1)*?$/ ;
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| 103 | #
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| 104 | # If this test fails with a segmentation violation or similar,
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| 105 | # you may have to increase the default stacksize limit in your
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| 106 | # shell. You may need superuser privileges.
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| 107 | #
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| 108 | # Under the sh, ksh, zsh:
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| 109 | # $ ulimit -s
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| 110 | # 8192
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| 111 | # $ ulimit -s 16000
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| 112 | #
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| 113 | # Under the csh:
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| 114 | # % limit stacksize
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| 115 | # stacksize 8192 kbytes
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| 116 | # % limit stacksize 16000
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| 117 | #
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| 118 | EXPECT
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| 119 |
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