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-rw-r--r--embed.fnc3
-rw-r--r--embed.h2
-rw-r--r--global.sym1
-rw-r--r--mro.c32
-rw-r--r--pod/perlapi.pod17
-rw-r--r--proto.h8
-rw-r--r--universal.c141
-rw-r--r--xsutils.c19
8 files changed, 115 insertions, 108 deletions
diff --git a/embed.fnc b/embed.fnc
index 43fe830c0f..f08dfef1a5 100644
--- a/embed.fnc
+++ b/embed.fnc
@@ -148,6 +148,9 @@ pM |PERL_CONTEXT* |create_eval_scope|U32 flags
: croak()'s first parm can be NULL. Otherwise, mod_perl breaks.
Afprd |void |croak |NULLOK const char* pat|...
Apr |void |vcroak |NULLOK const char* pat|NULLOK va_list* args
+Aprd |void |croak_xs_usage |NN const CV *const cv \
+ |NN const char *const params
+
#if defined(PERL_IMPLICIT_CONTEXT)
Afnrp |void |croak_nocontext|NULLOK const char* pat|...
Afnp |OP* |die_nocontext |NN const char* pat|...
diff --git a/embed.h b/embed.h
index 6d4e489140..9caec1d93d 100644
--- a/embed.h
+++ b/embed.h
@@ -104,6 +104,7 @@
#endif
#define croak Perl_croak
#define vcroak Perl_vcroak
+#define croak_xs_usage Perl_croak_xs_usage
#if defined(PERL_IMPLICIT_CONTEXT)
#define croak_nocontext Perl_croak_nocontext
#define die_nocontext Perl_die_nocontext
@@ -2421,6 +2422,7 @@
#define create_eval_scope(a) Perl_create_eval_scope(aTHX_ a)
#endif
#define vcroak(a,b) Perl_vcroak(aTHX_ a,b)
+#define croak_xs_usage(a,b) Perl_croak_xs_usage(aTHX_ a,b)
#if defined(PERL_IMPLICIT_CONTEXT)
#endif
#ifdef PERL_CORE
diff --git a/global.sym b/global.sym
index 53e15a8a5f..248d8a4bb4 100644
--- a/global.sym
+++ b/global.sym
@@ -61,6 +61,7 @@ Perl_cast_uv
Perl_my_chsize
Perl_croak
Perl_vcroak
+Perl_croak_xs_usage
Perl_croak_nocontext
Perl_die_nocontext
Perl_deb_nocontext
diff --git a/mro.c b/mro.c
index 2d52805826..13dd70a15a 100644
--- a/mro.c
+++ b/mro.c
@@ -707,10 +707,8 @@ XS(XS_mro_get_linear_isa) {
HV* class_stash;
SV* classname;
- PERL_UNUSED_ARG(cv);
-
if(items < 1 || items > 2)
- Perl_croak(aTHX_ "Usage: mro::get_linear_isa(classname [, type ])");
+ croak_xs_usage(cv, "classname [, type ]");
classname = ST(0);
class_stash = gv_stashsv(classname, 0);
@@ -748,10 +746,8 @@ XS(XS_mro_set_mro)
HV* class_stash;
struct mro_meta* meta;
- PERL_UNUSED_ARG(cv);
-
if (items != 2)
- Perl_croak(aTHX_ "Usage: mro::set_mro(classname, type)");
+ croak_xs_usage(cv, "classname, type");
classname = ST(0);
whichstr = SvPV_nolen(ST(1));
@@ -783,10 +779,8 @@ XS(XS_mro_get_mro)
SV* classname;
HV* class_stash;
- PERL_UNUSED_ARG(cv);
-
if (items != 1)
- Perl_croak(aTHX_ "Usage: mro::get_mro(classname)");
+ croak_xs_usage(cv, "classname");
classname = ST(0);
class_stash = gv_stashsv(classname, 0);
@@ -806,10 +800,8 @@ XS(XS_mro_get_isarev)
HV* isarev;
AV* ret_array;
- PERL_UNUSED_ARG(cv);
-
if (items != 1)
- Perl_croak(aTHX_ "Usage: mro::get_isarev(classname)");
+ croak_xs_usage(cv, "classname");
classname = ST(0);
@@ -842,10 +834,8 @@ XS(XS_mro_is_universal)
STRLEN classname_len;
HE* he;
- PERL_UNUSED_ARG(cv);
-
if (items != 1)
- Perl_croak(aTHX_ "Usage: mro::is_universal(classname)");
+ croak_xs_usage(cv, "classname");
classname = ST(0);
@@ -866,10 +856,8 @@ XS(XS_mro_invalidate_method_caches)
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
-
if (items != 0)
- Perl_croak(aTHX_ "Usage: mro::invalidate_all_method_caches()");
+ croak_xs_usage(cv, "");
PL_sub_generation++;
@@ -883,10 +871,8 @@ XS(XS_mro_method_changed_in)
SV* classname;
HV* class_stash;
- PERL_UNUSED_ARG(cv);
-
if(items != 1)
- Perl_croak(aTHX_ "Usage: mro::method_changed_in(classname)");
+ croak_xs_usage(cv, "classname");
classname = ST(0);
@@ -905,10 +891,8 @@ XS(XS_mro_get_pkg_gen)
SV* classname;
HV* class_stash;
- PERL_UNUSED_ARG(cv);
-
if(items != 1)
- Perl_croak(aTHX_ "Usage: mro::get_pkg_gen(classname)");
+ croak_xs_usage(cv, "classname");
classname = ST(0);
diff --git a/pod/perlapi.pod b/pod/perlapi.pod
index 2644e88a8a..effd8fbe0e 100644
--- a/pod/perlapi.pod
+++ b/pod/perlapi.pod
@@ -3931,6 +3931,23 @@ Found in file sv.h
=over 8
+=item croak_xs_usage
+X<croak_xs_usage>
+
+A specialised variant of C<croak()> for emitting the usage message for xsubs
+
+ croak_xs_usage(cv, "eee_yow");
+
+works out the package name and subroutine name from C<cv>, and then calls
+C<croak()>. Hence if C<cv> is C<&ouch::awk>, it would call C<croak> as:
+
+ Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow");
+
+ void croak_xs_usage(CV *const cv, const char *const params)
+
+=for hackers
+Found in file universal.c
+
=item get_sv
X<get_sv>
diff --git a/proto.h b/proto.h
index e40cdcfaeb..da79be1516 100644
--- a/proto.h
+++ b/proto.h
@@ -327,6 +327,14 @@ PERL_CALLCONV void Perl_croak(pTHX_ const char* pat, ...)
PERL_CALLCONV void Perl_vcroak(pTHX_ const char* pat, va_list* args)
__attribute__noreturn__;
+PERL_CALLCONV void Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params)
+ __attribute__noreturn__
+ __attribute__nonnull__(pTHX_1)
+ __attribute__nonnull__(pTHX_2);
+#define PERL_ARGS_ASSERT_CROAK_XS_USAGE \
+ assert(cv); assert(params)
+
+
#if defined(PERL_IMPLICIT_CONTEXT)
PERL_CALLCONV void Perl_croak_nocontext(const char* pat, ...)
__attribute__noreturn__
diff --git a/universal.c b/universal.c
index d03596c82b..7026195b6b 100644
--- a/universal.c
+++ b/universal.c
@@ -296,15 +296,50 @@ Perl_boot_core_UNIVERSAL(pTHX)
newXS("Tie::Hash::NamedCapture::flags", XS_Tie_Hash_NamedCapture_flags, file);
}
+/*
+=for apidoc croak_xs_usage
+
+A specialised variant of C<croak()> for emitting the usage message for xsubs
+
+ croak_xs_usage(cv, "eee_yow");
+
+works out the package name and subroutine name from C<cv>, and then calls
+C<croak()>. Hence if C<cv> is C<&ouch::awk>, it would call C<croak> as:
+
+ Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow");
+
+=cut
+*/
+
+void
+Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params)
+{
+ const GV *const gv = CvGV(cv);
+
+ PERL_ARGS_ASSERT_CROAK_XS_USAGE;
+
+ if (gv) {
+ const char *const gvname = GvNAME(gv);
+ const HV *const stash = GvSTASH(gv);
+ const char *const hvname = stash ? HvNAME_get(stash) : NULL;
+
+ if (hvname)
+ Perl_croak(aTHX_ "Usage: %s::%s(%s)", hvname, gvname, params);
+ else
+ Perl_croak(aTHX_ "Usage: %s(%s)", gvname, params);
+ } else {
+ /* Pants. I don't think that it should be possible to get here. */
+ Perl_croak(aTHX_ "Usage: CODE(%"UVXf")(%s)", (UV)cv, params);
+ }
+}
XS(XS_UNIVERSAL_isa)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 2)
- Perl_croak(aTHX_ "Usage: UNIVERSAL::isa(reference, kind)");
+ croak_xs_usage(cv, "reference, kind");
else {
SV * const sv = ST(0);
const char *name;
@@ -330,10 +365,9 @@ XS(XS_UNIVERSAL_can)
const char *name;
SV *rv;
HV *pkg = NULL;
- PERL_UNUSED_ARG(cv);
if (items != 2)
- Perl_croak(aTHX_ "Usage: UNIVERSAL::can(object-ref, method)");
+ croak_xs_usage(cv, "object-ref, method");
sv = ST(0);
@@ -471,9 +505,8 @@ XS(XS_version_new)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items > 3)
- Perl_croak(aTHX_ "Usage: version::new(class, version)");
+ croak_xs_usage(cv, "class, version");
SP -= items;
{
SV *vs = ST(1);
@@ -507,9 +540,8 @@ XS(XS_version_stringify)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 1)
- Perl_croak(aTHX_ "Usage: version::stringify(lobj, ...)");
+ croak_xs_usage(cv, "lobj, ...");
SP -= items;
{
SV * lobj;
@@ -531,9 +563,8 @@ XS(XS_version_numify)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 1)
- Perl_croak(aTHX_ "Usage: version::numify(lobj, ...)");
+ croak_xs_usage(cv, "lobj, ...");
SP -= items;
{
SV * lobj;
@@ -555,9 +586,8 @@ XS(XS_version_normal)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 1)
- Perl_croak(aTHX_ "Usage: version::normal(lobj, ...)");
+ croak_xs_usage(cv, "lobj, ...");
SP -= items;
{
SV * lobj;
@@ -579,9 +609,8 @@ XS(XS_version_vcmp)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 1)
- Perl_croak(aTHX_ "Usage: version::vcmp(lobj, ...)");
+ croak_xs_usage(cv, "lobj, ...");
SP -= items;
{
SV * lobj;
@@ -625,9 +654,8 @@ XS(XS_version_boolean)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 1)
- Perl_croak(aTHX_ "Usage: version::boolean(lobj, ...)");
+ croak_xs_usage(cv, "lobj, ...");
SP -= items;
if (sv_derived_from(ST(0), "version")) {
SV * const lobj = SvRV(ST(0));
@@ -644,9 +672,8 @@ XS(XS_version_noop)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 1)
- Perl_croak(aTHX_ "Usage: version::noop(lobj, ...)");
+ croak_xs_usage(cv, "lobj, ...");
if (sv_derived_from(ST(0), "version"))
Perl_croak(aTHX_ "operation not supported with version object");
else
@@ -660,9 +687,8 @@ XS(XS_version_is_alpha)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: version::is_alpha(lobj)");
+ croak_xs_usage(cv, "lobj");
SP -= items;
if (sv_derived_from(ST(0), "version")) {
SV * const lobj = ST(0);
@@ -681,9 +707,8 @@ XS(XS_version_qv)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: version::qv(ver)");
+ croak_xs_usage(cv, "ver");
SP -= items;
{
SV * ver = ST(0);
@@ -707,9 +732,8 @@ XS(XS_utf8_is_utf8)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: utf8::is_utf8(sv)");
+ croak_xs_usage(cv, "sv");
else {
const SV * const sv = ST(0);
if (SvUTF8(sv))
@@ -724,9 +748,8 @@ XS(XS_utf8_valid)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: utf8::valid(sv)");
+ croak_xs_usage(cv, "sv");
else {
SV * const sv = ST(0);
STRLEN len;
@@ -743,9 +766,8 @@ XS(XS_utf8_encode)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: utf8::encode(sv)");
+ croak_xs_usage(cv, "sv");
sv_utf8_encode(ST(0));
XSRETURN_EMPTY;
}
@@ -754,9 +776,8 @@ XS(XS_utf8_decode)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: utf8::decode(sv)");
+ croak_xs_usage(cv, "sv");
else {
SV * const sv = ST(0);
const bool RETVAL = sv_utf8_decode(sv);
@@ -770,9 +791,8 @@ XS(XS_utf8_upgrade)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: utf8::upgrade(sv)");
+ croak_xs_usage(cv, "sv");
else {
SV * const sv = ST(0);
STRLEN RETVAL;
@@ -788,9 +808,8 @@ XS(XS_utf8_downgrade)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 1 || items > 2)
- Perl_croak(aTHX_ "Usage: utf8::downgrade(sv, failok=0)");
+ croak_xs_usage(cv, "sv, failok=0");
else {
SV * const sv = ST(0);
const bool failok = (items < 2) ? 0 : (int)SvIV(ST(1));
@@ -807,10 +826,9 @@ XS(XS_utf8_native_to_unicode)
dVAR;
dXSARGS;
const UV uv = SvUV(ST(0));
- PERL_UNUSED_ARG(cv);
if (items > 1)
- Perl_croak(aTHX_ "Usage: utf8::native_to_unicode(sv)");
+ croak_xs_usage(cv, "sv");
ST(0) = sv_2mortal(newSViv(NATIVE_TO_UNI(uv)));
XSRETURN(1);
@@ -821,10 +839,9 @@ XS(XS_utf8_unicode_to_native)
dVAR;
dXSARGS;
const UV uv = SvUV(ST(0));
- PERL_UNUSED_ARG(cv);
if (items > 1)
- Perl_croak(aTHX_ "Usage: utf8::unicode_to_native(sv)");
+ croak_xs_usage(cv, "sv");
ST(0) = sv_2mortal(newSViv(UNI_TO_NATIVE(uv)));
XSRETURN(1);
@@ -878,10 +895,9 @@ XS(XS_Internals_hv_clear_placehold)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: UNIVERSAL::hv_clear_placeholders(hv)");
+ croak_xs_usage(cv, "hv");
else {
HV * const hv = (HV *) SvRV(ST(0));
hv_clear_placeholders(hv);
@@ -899,9 +915,8 @@ XS(XS_PerlIO_get_layers)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items < 1 || items % 2 == 0)
- Perl_croak(aTHX_ "Usage: PerlIO_get_layers(filehandle[,args])");
+ croak_xs_usage(cv, "filehandle[,args]");
#ifdef USE_PERLIO
{
SV * sv;
@@ -1050,7 +1065,6 @@ XS(XS_Internals_HvREHASH) /* Subject to change */
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (SvROK(ST(0))) {
const HV * const hv = (HV *) SvRV(ST(0));
if (items == 1 && SvTYPE(hv) == SVt_PVHV) {
@@ -1070,7 +1084,7 @@ XS(XS_re_is_regexp)
PERL_UNUSED_VAR(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: %s(%s)", "re::is_regexp", "sv");
+ croak_xs_usage(cv, "sv");
SP -= items;
@@ -1087,10 +1101,9 @@ XS(XS_re_regnames_count)
SV * ret;
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 0)
- Perl_croak(aTHX_ "Usage: %s(%s)", "re::regnames_count", "");
+ croak_xs_usage(cv, "");
SP -= items;
@@ -1117,10 +1130,9 @@ XS(XS_re_regname)
REGEXP * rx;
U32 flags;
SV * ret;
- PERL_UNUSED_ARG(cv);
if (items < 1 || items > 2)
- Perl_croak(aTHX_ "Usage: %s(%s)", "re::regname", "name[, all ]");
+ croak_xs_usage(cv, "name[, all ]");
SP -= items;
@@ -1158,10 +1170,9 @@ XS(XS_re_regnames)
I32 length;
I32 i;
SV **entry;
- PERL_UNUSED_ARG(cv);
if (items > 1)
- Perl_croak(aTHX_ "Usage: %s(%s)", "re::regnames", "[all]");
+ croak_xs_usage(cv, "[all]");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
@@ -1205,10 +1216,9 @@ XS(XS_re_regexp_pattern)
dVAR;
dXSARGS;
REGEXP *re;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: %s(%s)", "re::regexp_pattern", "sv");
+ croak_xs_usage(cv, "sv");
SP -= items;
@@ -1298,10 +1308,9 @@ XS(XS_Tie_Hash_NamedCapture_FETCH)
REGEXP * rx;
U32 flags;
SV * ret;
- PERL_UNUSED_ARG(cv);
if (items != 2)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::STORE($key, $flags)");
+ croak_xs_usage(cv, "$key, $flags");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
@@ -1332,10 +1341,9 @@ XS(XS_Tie_Hash_NamedCapture_STORE)
dXSARGS;
REGEXP * rx;
U32 flags;
- PERL_UNUSED_ARG(cv);
if (items != 3)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::STORE($key, $value, $flags)");
+ croak_xs_usage(cv, "$key, $value, $flags");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
@@ -1358,10 +1366,9 @@ XS(XS_Tie_Hash_NamedCapture_DELETE)
dXSARGS;
REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
U32 flags;
- PERL_UNUSED_ARG(cv);
if (items != 2)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::DELETE($key, $flags)");
+ croak_xs_usage(cv, "$key, $flags");
if (!rx)
Perl_croak(aTHX_ PL_no_modify);
@@ -1378,10 +1385,9 @@ XS(XS_Tie_Hash_NamedCapture_CLEAR)
dXSARGS;
REGEXP * rx;
U32 flags;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::CLEAR($flags)");
+ croak_xs_usage(cv, "$flags");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
@@ -1401,10 +1407,9 @@ XS(XS_Tie_Hash_NamedCapture_EXISTS)
REGEXP * rx;
U32 flags;
SV * ret;
- PERL_UNUSED_ARG(cv);
if (items != 2)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::EXISTS($key, $flags)");
+ croak_xs_usage(cv, "$key, $flags");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
@@ -1430,10 +1435,9 @@ XS(XS_Tie_Hash_NamedCapture_FIRSTK)
REGEXP * rx;
U32 flags;
SV * ret;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::FIRSTKEY()");
+ croak_xs_usage(cv, "");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
@@ -1463,10 +1467,9 @@ XS(XS_Tie_Hash_NamedCapture_NEXTK)
REGEXP * rx;
U32 flags;
SV * ret;
- PERL_UNUSED_ARG(cv);
if (items != 2)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::NEXTKEY($lastkey)");
+ croak_xs_usage(cv, "$lastkey");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
@@ -1495,10 +1498,9 @@ XS(XS_Tie_Hash_NamedCapture_SCALAR)
REGEXP * rx;
U32 flags;
SV * ret;
- PERL_UNUSED_ARG(cv);
if (items != 1)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::SCALAR()");
+ croak_xs_usage(cv, "");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
@@ -1525,10 +1527,9 @@ XS(XS_Tie_Hash_NamedCapture_flags)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if (items != 0)
- Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::flags()");
+ croak_xs_usage(cv, "");
mXPUSHu(RXapif_ONE);
mXPUSHu(RXapif_ALL);
diff --git a/xsutils.c b/xsutils.c
index 583527a35f..dcc8d09d8d 100644
--- a/xsutils.c
+++ b/xsutils.c
@@ -150,10 +150,9 @@ XS(XS_attributes_bootstrap)
{
dVAR;
dXSARGS;
- PERL_UNUSED_ARG(cv);
if( items > 1 )
- Perl_croak(aTHX_ "Usage: attributes::bootstrap $module");
+ croak_xs_usage(cv, "$module");
newXS("attributes::_modify_attrs", XS_attributes__modify_attrs, file);
newXSproto("attributes::_guess_stash", XS_attributes__guess_stash, file, "$");
@@ -168,12 +167,10 @@ XS(XS_attributes__modify_attrs)
dVAR;
dXSARGS;
SV *rv, *sv;
- PERL_UNUSED_ARG(cv);
if (items < 1) {
usage:
- Perl_croak(aTHX_
- "Usage: attributes::_modify_attrs $reference, @attributes");
+ croak_xs_usage(cv, "@attributes");
}
rv = ST(0);
@@ -192,12 +189,10 @@ XS(XS_attributes__fetch_attrs)
dXSARGS;
SV *rv, *sv;
cv_flags_t cvflags;
- PERL_UNUSED_ARG(cv);
if (items != 1) {
usage:
- Perl_croak(aTHX_
- "Usage: attributes::_fetch_attrs $reference");
+ croak_xs_usage(cv, "$reference");
}
rv = ST(0);
@@ -237,12 +232,10 @@ XS(XS_attributes__guess_stash)
dXSARGS;
SV *rv, *sv;
dXSTARG;
- PERL_UNUSED_ARG(cv);
if (items != 1) {
usage:
- Perl_croak(aTHX_
- "Usage: attributes::_guess_stash $reference");
+ croak_xs_usage(cv, "$reference");
}
rv = ST(0);
@@ -287,12 +280,10 @@ XS(XS_attributes_reftype)
dXSARGS;
SV *rv, *sv;
dXSTARG;
- PERL_UNUSED_ARG(cv);
if (items != 1) {
usage:
- Perl_croak(aTHX_
- "Usage: attributes::reftype $reference");
+ croak_xs_usage(cv, "$reference");
}
rv = ST(0);
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