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|
sv.c
warn(warn_uninit);
warn(warn_uninit);
warn(warn_uninit);
warn(warn_uninit);
not_a_number(sv);
not_a_number(sv);
warn(warn_uninit);
not_a_number(sv);
warn(warn_uninit);
not_a_number(sv);
not_a_number(sv);
warn(warn_uninit);
warn(warn_uninit);
Subroutine %s redefined
Invalid conversion in %s:
Undefined value assigned to typeglob
Possible Y2K bug: %d format string following '19'
Reference is already weak [Perl_sv_rvweaken] <<TODO
Mandatory Warnings
------------------
Malformed UTF-8 character [sv_pos_b2u]
my $a = rindex "a\xff bc ", "bc" ;
Mandatory Warnings TODO
------------------
Attempt to free non-arena SV: 0x%lx [del_sv]
Reference miscount in sv_replace() [sv_replace]
Attempt to free unreferenced scalar [sv_free]
Attempt to free temp prematurely: SV 0x%lx [sv_free]
semi-panic: attempt to dup freed string [newSVsv]
__END__
# sv.c
use integer ;
use warnings 'uninitialized' ;
$x = 1 + $a[0] ; # a
no warnings 'uninitialized' ;
$x = 1 + $b[0] ; # a
EXPECT
Use of uninitialized value at - line 4.
########
# sv.c (sv_2iv)
package fred ;
sub TIESCALAR { my $x ; bless \$x}
sub FETCH { return undef }
sub STORE { return 1 }
package main ;
tie $A, 'fred' ;
use integer ;
use warnings 'uninitialized' ;
$A *= 2 ;
no warnings 'uninitialized' ;
$A *= 2 ;
EXPECT
Use of uninitialized value at - line 10.
########
# sv.c
use integer ;
use warnings 'uninitialized' ;
my $x *= 2 ; #b
no warnings 'uninitialized' ;
my $y *= 2 ; #b
EXPECT
Use of uninitialized value at - line 4.
########
# sv.c (sv_2uv)
package fred ;
sub TIESCALAR { my $x ; bless \$x}
sub FETCH { return undef }
sub STORE { return 1 }
package main ;
tie $A, 'fred' ;
use warnings 'uninitialized' ;
$B = 0 ;
$B |= $A ;
no warnings 'uninitialized' ;
$B = 0 ;
$B |= $A ;
EXPECT
Use of uninitialized value at - line 10.
########
# sv.c
use warnings 'uninitialized' ;
my $Y = 1 ;
my $x = 1 | $a[$Y] ;
no warnings 'uninitialized' ;
my $Y = 1 ;
$x = 1 | $b[$Y] ;
EXPECT
Use of uninitialized value at - line 4.
########
# sv.c
use warnings 'uninitialized' ;
my $x *= 1 ; # d
no warnings 'uninitialized' ;
my $y *= 1 ; # d
EXPECT
Use of uninitialized value at - line 3.
########
# sv.c
use warnings 'uninitialized' ;
$x = 1 + $a[0] ; # e
no warnings 'uninitialized' ;
$x = 1 + $b[0] ; # e
EXPECT
Use of uninitialized value at - line 3.
########
# sv.c (sv_2nv)
package fred ;
sub TIESCALAR { my $x ; bless \$x}
sub FETCH { return undef }
sub STORE { return 1 }
package main ;
tie $A, 'fred' ;
use warnings 'uninitialized' ;
$A *= 2 ;
no warnings 'uninitialized' ;
$A *= 2 ;
EXPECT
Use of uninitialized value at - line 9.
########
# sv.c
use warnings 'uninitialized' ;
$x = $y + 1 ; # f
no warnings 'uninitialized' ;
$x = $z + 1 ; # f
EXPECT
Use of uninitialized value at - line 3.
########
# sv.c
use warnings 'uninitialized' ;
$x = chop undef ; # g
no warnings 'uninitialized' ;
$x = chop undef ; # g
EXPECT
Modification of a read-only value attempted at - line 3.
########
# sv.c
use warnings 'uninitialized' ;
$x = chop $y ; # h
no warnings 'uninitialized' ;
$x = chop $z ; # h
EXPECT
Use of uninitialized value at - line 3.
########
# sv.c (sv_2pv)
package fred ;
sub TIESCALAR { my $x ; bless \$x}
sub FETCH { return undef }
sub STORE { return 1 }
package main ;
tie $A, 'fred' ;
use warnings 'uninitialized' ;
$B = "" ;
$B .= $A ;
no warnings 'uninitialized' ;
$C = "" ;
$C .= $A ;
EXPECT
Use of uninitialized value at - line 10.
########
# sv.c
use warnings 'numeric' ;
sub TIESCALAR{bless[]} ;
sub FETCH {"def"} ;
tie $a,"main" ;
my $b = 1 + $a;
no warnings 'numeric' ;
my $c = 1 + $a;
EXPECT
Argument "def" isn't numeric in addition (+) at - line 6.
########
# sv.c
use warnings 'numeric' ;
my $x = 1 + "def" ;
no warnings 'numeric' ;
my $z = 1 + "def" ;
EXPECT
Argument "def" isn't numeric in addition (+) at - line 3.
########
# sv.c
use warnings 'numeric' ;
my $a = "def" ;
my $x = 1 + $a ;
no warnings 'numeric' ;
my $y = 1 + $a ;
EXPECT
Argument "def" isn't numeric in addition (+) at - line 4.
########
# sv.c
use warnings 'numeric' ; use integer ;
my $a = "def" ;
my $x = 1 + $a ;
no warnings 'numeric' ;
my $z = 1 + $a ;
EXPECT
Argument "def" isn't numeric in integer addition (+) at - line 4.
########
# sv.c
use warnings 'numeric' ;
my $x = 1 & "def" ;
no warnings 'numeric' ;
my $z = 1 & "def" ;
EXPECT
Argument "def" isn't numeric in bitwise and (&) at - line 3.
########
# sv.c
use warnings 'redefine' ;
sub fred {}
sub joe {}
*fred = \&joe ;
no warnings 'redefine' ;
sub jim {}
*jim = \&joe ;
EXPECT
Subroutine fred redefined at - line 5.
########
# sv.c
use warnings 'printf' ;
open F, ">".($^O eq 'VMS'? 'NL:' : '/dev/null') ;
printf F "%z\n" ;
my $a = sprintf "%z" ;
printf F "%" ;
$a = sprintf "%" ;
printf F "%\x02" ;
$a = sprintf "%\x02" ;
no warnings 'printf' ;
printf F "%z\n" ;
$a = sprintf "%z" ;
printf F "%" ;
$a = sprintf "%" ;
printf F "%\x02" ;
$a = sprintf "%\x02" ;
EXPECT
Invalid conversion in sprintf: "%z" at - line 5.
Invalid conversion in sprintf: end of string at - line 7.
Invalid conversion in sprintf: "%\002" at - line 9.
Invalid conversion in printf: "%z" at - line 4.
Invalid conversion in printf: end of string at - line 6.
Invalid conversion in printf: "%\002" at - line 8.
########
# sv.c
use warnings 'unsafe' ;
*a = undef ;
no warnings 'unsafe' ;
*b = undef ;
EXPECT
Undefined value assigned to typeglob at - line 3.
########
# sv.c
use utf8 ;
$^W =0 ;
{
use warnings 'utf8' ;
my $a = rindex "a\xff bc ", "bc" ;
no warnings 'utf8' ;
$a = rindex "a\xff bc ", "bc" ;
}
my $a = rindex "a\xff bc ", "bc" ;
EXPECT
\xff will produce malformed UTF-8 character; use \x{ff} for that at - line 6.
Malformed UTF-8 character at - line 6.
Malformed UTF-8 character at - line 10.
########
# sv.c
use warnings 'misc';
use Config;
BEGIN {
unless ($Config{ccflags} =~ /Y2KWARN/) {
print "SKIPPED\n# perl not built with -DPERL_Y2KWARN";
exit 0;
}
$|=1;
}
my $x;
my $yy = 78;
$x = printf "19%02d\n", $yy;
$x = sprintf "#19%02d\n", $yy;
$x = printf " 19%02d\n", 78;
$x = sprintf "19%02d\n", 78;
$x = printf "319%02d\n", $yy;
$x = sprintf "319%02d\n", $yy;
no warnings 'misc';
$x = printf "19%02d\n", $yy;
$x = sprintf "19%02d\n", $yy;
$x = printf "19%02d\n", 78;
$x = sprintf "19%02d\n", 78;
EXPECT
Possible Y2K bug: %d format string following '19' at - line 16.
Possible Y2K bug: %d format string following '19' at - line 13.
1978
Possible Y2K bug: %d format string following '19' at - line 14.
Possible Y2K bug: %d format string following '19' at - line 15.
1978
31978
1978
1978
|
