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bc: minarg checks for builtin functions #865

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Merged
merged 1 commit into from
Dec 6, 2024
Merged

bc: minarg checks for builtin functions #865

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9 changes: 9 additions & 0 deletions bin/bc
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Original file line number Diff line number Diff line change
Expand Up @@ -2162,6 +2162,7 @@ sub bi_length
my $stack = shift;

$_ = pop @$stack;
die "length(n): missing argument\n" unless defined;

my ($a, $b);
die "NaN" unless ($a, $b) = /[-+]?(\d*)\.?(\d+)?/;
Expand All @@ -2179,6 +2180,7 @@ sub bi_scale
my $stack = shift;

$_ = pop @$stack;
die "scale(n): missing argument\n" unless defined;

my ($a, $b);
die "NaN" unless ($a, $b) = /[-+]?(\d*)\.?(\d+)?/;
Expand All @@ -2191,6 +2193,7 @@ sub bi_sqrt
my $stack = shift;

$_ = pop @$stack;
die "sqrt(n): missing argument\n" unless defined;

return sqrt($_);
}
Expand All @@ -2201,6 +2204,7 @@ sub bi_s
my $stack = shift;

my $val = pop @$stack;
die "s(n): missing argument\n" unless defined $val;
my $bignum = ref $val;
$val = $val->numify() if $bignum;
return sin($val);
Expand All @@ -2212,6 +2216,7 @@ sub bi_c
my $stack = shift;

my $val = pop @$stack;
die "c(n): missing argument\n" unless defined $val;
my $bignum = ref $val;
$val = $val->numify() if $bignum;
return cos($val);
Expand All @@ -2223,6 +2228,7 @@ sub bi_a
my $stack = shift;

my $val = pop @$stack;
die "a(n): missing argument\n" unless defined $val;
my $bignum = ref $val;
$val = $val->numify() if $bignum;
return Math::Trig::atan($val);
Expand All @@ -2234,6 +2240,7 @@ sub bi_l
my $stack = shift;

my $val = pop @$stack;
die "l(n): missing argument\n" unless defined $val;
my $bignum = ref $val;
$val = $val->numify() if $bignum;
return log($val);
Expand All @@ -2245,6 +2252,7 @@ sub bi_e
my $stack = shift;

my $val = pop @$stack;
die "e(n): missing argument\n" unless defined $val;
my $bignum = ref $val;
$val = $val->numify() if $bignum;
return exp($val);
Expand All @@ -2257,6 +2265,7 @@ sub bi_j

my $val = pop @$stack;
my $n = pop @$stack;
die "j(n,x): missing argument\n" if (!defined($n) || !defined($val));
my $bignum = ref $val;
$val = $val->numify() if $bignum;
return POSIX::jn($n, $val);
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