summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--op.c1
-rw-r--r--opcode.h2
-rwxr-xr-xopcode.pl2
-rw-r--r--t/lib/warnings/sv6
-rw-r--r--t/op/sprintf2.t10
5 files changed, 14 insertions, 7 deletions
diff --git a/op.c b/op.c
index 8fd946aaed..6c32f66b90 100644
--- a/op.c
+++ b/op.c
@@ -2058,7 +2058,6 @@ Perl_fold_constants(pTHX_ register OP *o)
/* XXX might want a ck_negate() for this */
cUNOPo->op_first->op_private &= ~OPpCONST_STRICT;
break;
- case OP_SPRINTF:
case OP_UCFIRST:
case OP_LCFIRST:
case OP_UC:
diff --git a/opcode.h b/opcode.h
index 7cd088e8fb..587c138199 100644
--- a/opcode.h
+++ b/opcode.h
@@ -1611,7 +1611,7 @@ EXT const U32 PL_opargs[] = {
0x0022281c, /* vec */
0x0122291c, /* index */
0x0122291c, /* rindex */
- 0x0004280f, /* sprintf */
+ 0x0004280d, /* sprintf */
0x00042805, /* formline */
0x0001379e, /* ord */
0x0001378e, /* chr */
diff --git a/opcode.pl b/opcode.pl
index ae7ee666d7..898a248aa7 100755
--- a/opcode.pl
+++ b/opcode.pl
@@ -691,7 +691,7 @@ vec vec ck_fun ist@ S S S
index index ck_index isT@ S S S?
rindex rindex ck_index isT@ S S S?
-sprintf sprintf ck_fun mfst@ S L
+sprintf sprintf ck_fun mst@ S L
formline formline ck_fun ms@ S L
ord ord ck_fun ifsTu% S?
chr chr ck_fun fsTu% S?
diff --git a/t/lib/warnings/sv b/t/lib/warnings/sv
index a9636e0cf7..1f66a8db6c 100644
--- a/t/lib/warnings/sv
+++ b/t/lib/warnings/sv
@@ -299,12 +299,12 @@ $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 sprintf: "%z" at - line 5.
Invalid conversion in printf: end of string at - line 6.
+Invalid conversion in sprintf: end of string at - line 7.
Invalid conversion in printf: "%\002" at - line 8.
+Invalid conversion in sprintf: "%\002" at - line 9.
########
# sv.c
use warnings 'misc' ;
diff --git a/t/op/sprintf2.t b/t/op/sprintf2.t
index 669938b86b..079df9314b 100644
--- a/t/op/sprintf2.t
+++ b/t/op/sprintf2.t
@@ -6,7 +6,7 @@ BEGIN {
require './test.pl';
}
-plan tests => 3;
+plan tests => 4;
is(
sprintf("%.40g ",0.01),
@@ -26,3 +26,11 @@ is(
q(width calculation under utf8 upgrade)
);
}
+
+# Used to mangle PL_sv_undef
+fresh_perl_is(
+ 'print sprintf "xxx%n\n"; print undef',
+ 'Modification of a read-only value attempted at - line 1.',
+ { switches => [ '-w' ] },
+ q(%n should not be able to modify read-only constants),
+)