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Diffstat (limited to 'contrib/perl5/t/pragma/warn/regexec')
| -rw-r--r-- | contrib/perl5/t/pragma/warn/regexec | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/contrib/perl5/t/pragma/warn/regexec b/contrib/perl5/t/pragma/warn/regexec new file mode 100644 index 0000000..73696df --- /dev/null +++ b/contrib/perl5/t/pragma/warn/regexec @@ -0,0 +1,119 @@ + regexec.c + + This test generates "bad free" warnings when run under + PERL_DESTRUCT_LEVEL. This file merely serves as a placeholder + for investigation. + + Complex regular subexpression recursion limit (%d) exceeded + + $_ = 'a' x (2**15+1); /^()(a\1)*$/ ; + Complex regular subexpression recursion limit (%d) exceeded + + $_ = 'a' x (2**15+1); /^()(a\1)*?$/ ; + + (The actual value substituted for %d is masked in the tests so that + REG_INFTY configuration variable value does not affect outcome.) +__END__ +# regexec.c +print("SKIPPED\n# most systems run into stacksize limits\n"),exit; +use warnings 'regexp' ; +$SIG{__WARN__} = sub{local ($m) = shift; + $m =~ s/\(\d+\)/(*MASKED*)/; + print STDERR $m}; +$_ = 'a' x (2**15+1); +/^()(a\1)*$/ ; +# +# If this test fails with a segmentation violation or similar, +# you may have to increase the default stacksize limit in your +# shell. You may need superuser privileges. +# +# Under the sh, ksh, zsh: +# $ ulimit -s +# 8192 +# $ ulimit -s 16000 +# +# Under the csh: +# % limit stacksize +# stacksize 8192 kbytes +# % limit stacksize 16000 +# +EXPECT +Complex regular subexpression recursion limit (*MASKED*) exceeded at - line 9. +######## +# regexec.c +print("SKIPPED\n# most systems run into stacksize limits\n"),exit; +no warnings 'regexp' ; +$SIG{__WARN__} = sub{local ($m) = shift; + $m =~ s/\(\d+\)/(*MASKED*)/; + print STDERR $m}; +$_ = 'a' x (2**15+1); +/^()(a\1)*$/ ; +# +# If this test fails with a segmentation violation or similar, +# you may have to increase the default stacksize limit in your +# shell. You may need superuser privileges. +# +# Under the sh, ksh, zsh: +# $ ulimit -s +# 8192 +# $ ulimit -s 16000 +# +# Under the csh: +# % limit stacksize +# stacksize 8192 kbytes +# % limit stacksize 16000 +# +EXPECT + +######## +# regexec.c +print("SKIPPED\n# most systems run into stacksize limits\n"),exit; +use warnings 'regexp' ; +$SIG{__WARN__} = sub{local ($m) = shift; + $m =~ s/\(\d+\)/(*MASKED*)/; + print STDERR $m}; +$_ = 'a' x (2**15+1); +/^()(a\1)*?$/ ; +# +# If this test fails with a segmentation violation or similar, +# you may have to increase the default stacksize limit in your +# shell. You may need superuser privileges. +# +# Under the sh, ksh, zsh: +# $ ulimit -s +# 8192 +# $ ulimit -s 16000 +# +# Under the csh: +# % limit stacksize +# stacksize 8192 kbytes +# % limit stacksize 16000 +# +EXPECT +Complex regular subexpression recursion limit (*MASKED*) exceeded at - line 9. +######## +# regexec.c +print("SKIPPED\n# most systems run into stacksize limits\n"),exit; +no warnings 'regexp' ; +$SIG{__WARN__} = sub{local ($m) = shift; + $m =~ s/\(\d+\)/(*MASKED*)/; + print STDERR $m}; +$_ = 'a' x (2**15+1); +/^()(a\1)*?$/ ; +# +# If this test fails with a segmentation violation or similar, +# you may have to increase the default stacksize limit in your +# shell. You may need superuser privileges. +# +# Under the sh, ksh, zsh: +# $ ulimit -s +# 8192 +# $ ulimit -s 16000 +# +# Under the csh: +# % limit stacksize +# stacksize 8192 kbytes +# % limit stacksize 16000 +# +EXPECT + |
