else {
exsv = newSVpvs_flags("Died", SVs_TEMP);
}
- die_sv(exsv);
- RETURN;
+ return die_sv(exsv);
}
/* I/O. */
RETURN;
}
+/* These are private to this function, which is private to this file.
+ Use 0x04 rather than the next available bit, to help the compiler if the
+ architecture can generate more efficient instructions. */
+#define MORTALIZE_NOT_NEEDED 0x04
+#define TIED_HANDLE_ARGC_SHIFT 3
+
static OP *
S_tied_handle_method(pTHX_ const char *const methname, SV **sp,
- IO *const io, MAGIC *const mg)
+ IO *const io, MAGIC *const mg, const U32 flags, ...)
{
+ U32 argc = flags >> TIED_HANDLE_ARGC_SHIFT;
+
PERL_ARGS_ASSERT_TIED_HANDLE_METHOD;
+ /* Ensure that our flag bits do not overlap. */
+ assert((MORTALIZE_NOT_NEEDED & G_WANT) == 0);
+ assert((G_WANT >> TIED_HANDLE_ARGC_SHIFT) == 0);
+
PUSHMARK(sp);
PUSHs(SvTIED_obj(MUTABLE_SV(io), mg));
+ if (argc) {
+ const U32 mortalize_not_needed = flags & MORTALIZE_NOT_NEEDED;
+ va_list args;
+ va_start(args, flags);
+ do {
+ SV *const arg = va_arg(args, SV *);
+ if(mortalize_not_needed)
+ PUSHs(arg);
+ else
+ mPUSHs(arg);
+ } while (--argc);
+ va_end(args);
+ }
+
PUTBACK;
ENTER_with_name("call_tied_handle_method");
- call_method(methname, G_SCALAR);
+ call_method(methname, flags & G_WANT);
LEAVE_with_name("call_tied_handle_method");
return NORMAL;
}
+#define tied_handle_method(a,b,c,d) \
+ S_tied_handle_method(aTHX_ a,b,c,d,G_SCALAR)
+#define tied_handle_method1(a,b,c,d,e) \
+ S_tied_handle_method(aTHX_ a,b,c,d,G_SCALAR | (1 << TIED_HANDLE_ARGC_SHIFT),e)
+#define tied_handle_method2(a,b,c,d,e,f) \
+ S_tied_handle_method(aTHX_ a,b,c,d,G_SCALAR | (2 << TIED_HANDLE_ARGC_SHIFT), e,f)
+
PP(pp_close)
{
dVAR; dSP;
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_func, "pipe");
- return NORMAL;
#endif
}
if (gv && (io = GvIO(gv))) {
MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
if (mg) {
- PUSHMARK(SP);
- PUSHs(SvTIED_obj(MUTABLE_SV(io), mg));
- if (discp)
- PUSHs(discp);
- PUTBACK;
- ENTER_with_name("call_BINMODE");
- call_method("BINMODE", G_SCALAR);
- LEAVE_with_name("call_BINMODE");
- SPAGAIN;
- RETURN;
+ /* This takes advantage of the implementation of the varargs
+ function, which I don't think that the optimiser will be able to
+ figure out. Although, as it's a static function, in theory it
+ could. */
+ return S_tied_handle_method(aTHX_ "BINMODE", SP, io, mg,
+ G_SCALAR|MORTALIZE_NOT_NEEDED
+ | (discp
+ ? (1 << TIED_HANDLE_ARGC_SHIFT) : 0),
+ discp);
}
}
call_method(methname, G_SCALAR);
}
else {
- /* Not clear why we don't call call_method here too.
- * perhaps to get different error message ?
+ /* Can't use call_method here, else this: fileno FOO; tie @a, "FOO"
+ * will attempt to invoke IO::File::TIEARRAY, with (best case) the
+ * wrong error message, and worse case, supreme action at a distance.
+ * (Sorry obfuscation writers. You're not going to be given this one.)
*/
STRLEN len;
const char *name = SvPV_nomg_const(*MARK, len);
if (SvIsCOW(sv))
sv_force_normal_flags(sv, 0);
if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0))
- DIE(aTHX_ "%s", PL_no_modify);
+ Perl_croak_no_modify(aTHX);
}
if (!SvPOK(sv)) {
Perl_ck_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask");
RETURN;
#else
DIE(aTHX_ "select not implemented");
- return NORMAL;
#endif
}
if (gv && (io = GvIO(gv))) {
MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
if (mg) {
- const I32 gimme = GIMME_V;
- PUSHMARK(SP);
- PUSHs(SvTIED_obj(MUTABLE_SV(io), mg));
- PUTBACK;
- ENTER;
- call_method("GETC", gimme);
- LEAVE;
- SPAGAIN;
- if (gimme == G_SCALAR)
+ const U32 gimme = GIMME_V;
+ S_tied_handle_method(aTHX_ "GETC", SP, io, mg, gimme);
+ if (gimme == G_SCALAR) {
+ SPAGAIN;
SvSetMagicSV_nosteal(TARG, TOPs);
- RETURN;
+ }
+ return NORMAL;
}
}
if (!gv || do_eof(gv)) { /* make sure we have fp with something */
PERL_ARGS_ASSERT_DOFORM;
+ if (cv && CvCLONE(cv))
+ cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv))));
+
ENTER;
SAVETMPS;
not_a_format_reference:
DIE(aTHX_ "Not a format reference");
}
- if (CvCLONE(cv))
- cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv))));
-
IoFLAGS(io) &= ~IOf_DIDTOP;
return doform(cv,gv,PL_op->op_next);
}
else
DIE(aTHX_ "Undefined top format called");
}
- if (cv && CvCLONE(cv))
- cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv))));
return doform(cv, gv, PL_op);
}
GV *gv;
IO *io;
MAGIC *mg;
+ /*
+ * in Perl 5.12 and later, the additional parameter is a bitmask:
+ * 0 = eof
+ * 1 = eof(FH)
+ * 2 = eof() <- ARGV magic
+ *
+ * I'll rely on the compiler's trace flow analysis to decide whether to
+ * actually assign this out here, or punt it into the only block where it is
+ * used. Doing it out here is DRY on the condition logic.
+ */
+ unsigned int which;
- if (MAXARG)
+ if (MAXARG) {
gv = PL_last_in_gv = MUTABLE_GV(POPs); /* eof(FH) */
+ which = 1;
+ }
else {
EXTEND(SP, 1);
- if (PL_op->op_flags & OPf_SPECIAL)
+ if (PL_op->op_flags & OPf_SPECIAL) {
gv = PL_last_in_gv = GvEGVx(PL_argvgv); /* eof() - ARGV magic */
- else
+ which = 2;
+ }
+ else {
gv = PL_last_in_gv; /* eof */
+ which = 0;
+ }
}
if (!gv)
RETPUSHNO;
if ((io = GvIO(gv)) && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) {
- PUSHMARK(SP);
- PUSHs(SvTIED_obj(MUTABLE_SV(io), mg));
- /*
- * in Perl 5.12 and later, the additional paramter is a bitmask:
- * 0 = eof
- * 1 = eof(FH)
- * 2 = eof() <- ARGV magic
- */
- EXTEND(SP, 1);
- if (MAXARG)
- mPUSHi(1); /* 1 = eof(FH) - simple, explicit FH */
- else if (PL_op->op_flags & OPf_SPECIAL)
- mPUSHi(2); /* 2 = eof() - ARGV magic */
- else
- mPUSHi(0); /* 0 = eof - simple, implicit FH */
- PUTBACK;
- ENTER;
- call_method("EOF", G_SCALAR);
- LEAVE;
- SPAGAIN;
- RETURN;
+ return tied_handle_method1("EOF", SP, io, mg, newSVuv(which));
}
if (!MAXARG && (PL_op->op_flags & OPf_SPECIAL)) { /* eof() */
if (gv && (io = GvIO(gv))) {
MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
if (mg) {
- PUSHMARK(SP);
- PUSHs(SvTIED_obj(MUTABLE_SV(io), mg));
#if LSEEKSIZE > IVSIZE
- mPUSHn((NV) offset);
+ SV *const offset_sv = newSVnv((NV) offset);
#else
- mPUSHi(offset);
+ SV *const offset_sv = newSViv(offset);
#endif
- mPUSHi(whence);
- PUTBACK;
- ENTER;
- call_method("SEEK", G_SCALAR);
- LEAVE;
- SPAGAIN;
- RETURN;
+
+ return tied_handle_method2("SEEK", SP, io, mg, offset_sv,
+ newSViv(whence));
}
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "flock()");
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_sock_func, "socket");
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_sock_func, "socketpair");
- return NORMAL;
#endif
}
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_sock_func, "bind");
- return NORMAL;
#endif
}
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_sock_func, "connect");
- return NORMAL;
#endif
}
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_sock_func, "listen");
- return NORMAL;
#endif
}
#else
DIE(aTHX_ PL_no_sock_func, "accept");
- return NORMAL;
#endif
}
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_sock_func, "shutdown");
- return NORMAL;
#endif
}
#else
DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
- return NORMAL;
#endif
}
#else
DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
- return NORMAL;
#endif
}
#endif
}
- result = my_stat();
+ result = my_stat_flags(0);
SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
STACKED_FTEST_CHECK;
- result = my_stat();
+ result = my_stat_flags(0);
SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
}
tryAMAGICftest_MG(opchar);
+ STACKED_FTEST_CHECK;
+
/* I believe that all these three are likely to be defined on most every
system these days. */
#ifndef S_ISUID
- if(PL_op->op_type == OP_FTSUID)
+ if(PL_op->op_type == OP_FTSUID) {
+ if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0)
+ (void) POPs;
RETPUSHNO;
+ }
#endif
#ifndef S_ISGID
- if(PL_op->op_type == OP_FTSGID)
+ if(PL_op->op_type == OP_FTSGID) {
+ if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0)
+ (void) POPs;
RETPUSHNO;
+ }
#endif
#ifndef S_ISVTX
- if(PL_op->op_type == OP_FTSVTX)
+ if(PL_op->op_type == OP_FTSVTX) {
+ if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0)
+ (void) POPs;
RETPUSHNO;
+ }
#endif
- STACKED_FTEST_CHECK;
-
- result = my_stat();
+ result = my_stat_flags(0);
SPAGAIN;
if (result < 0)
RETPUSHUNDEF;
I32 result;
tryAMAGICftest_MG('l');
- result = my_lstat();
+ result = my_lstat_flags(0);
SPAGAIN;
if (result < 0)
int fd;
GV *gv;
SV *tmpsv = NULL;
+ char *name = NULL;
+ STRLEN namelen;
tryAMAGICftest_MG('t');
gv = MUTABLE_GV(POPs);
else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
gv = MUTABLE_GV(SvRV(POPs));
- else
- gv = gv_fetchsv(tmpsv = POPs, 0, SVt_PVIO);
+ else {
+ tmpsv = POPs;
+ name = SvPV_nomg(tmpsv, namelen);
+ gv = gv_fetchpvn_flags(name, namelen, SvUTF8(tmpsv), SVt_PVIO);
+ }
if (GvIO(gv) && IoIFP(GvIOp(gv)))
fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
else if (tmpsv && SvOK(tmpsv)) {
- const char *tmps = SvPV_nolen_const(tmpsv);
- if (isDIGIT(*tmps))
- fd = atoi(tmps);
+ if (isDIGIT(*name))
+ fd = atoi(name);
else
RETPUSHUNDEF;
}
really_filename:
PL_statgv = NULL;
PL_laststype = OP_STAT;
- sv_setpv(PL_statname, SvPV_nolen_const(sv));
+ sv_setpv(PL_statname, SvPV_nomg_const_nolen(sv));
if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) {
if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname),
'\n'))
RETURN;
#else
DIE(aTHX_ PL_no_func, "chroot");
- return NORMAL;
#endif
}
{
/* Have neither. */
DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]);
- return NORMAL;
}
#endif
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_dir_func, "opendir");
- return NORMAL;
#endif
}
{
#if !defined(Direntry_t) || !defined(HAS_READDIR)
DIE(aTHX_ PL_no_dir_func, "readdir");
- return NORMAL;
#else
#if !defined(I_DIRENT) && !defined(VMS)
Direntry_t *readdir (DIR *);
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_dir_func, "telldir");
- return NORMAL;
#endif
}
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_dir_func, "seekdir");
- return NORMAL;
#endif
}
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_dir_func, "rewinddir");
- return NORMAL;
#endif
}
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_dir_func, "closedir");
- return NORMAL;
#endif
}
RETURN;
# else
DIE(aTHX_ PL_no_func, "fork");
- return NORMAL;
# endif
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "wait");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "waitpid");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "getppid");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "getpgrp()");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "setpgrp()");
- return NORMAL;
#endif
}
+#ifdef __GLIBC__
+# define PRIORITY_WHICH_T(which) (__priority_which_t)which
+#else
+# define PRIORITY_WHICH_T(which) which
+#endif
+
PP(pp_getpriority)
{
#ifdef HAS_GETPRIORITY
dVAR; dSP; dTARGET;
const int who = POPi;
const int which = TOPi;
- SETi( getpriority(which, who) );
+ SETi( getpriority(PRIORITY_WHICH_T(which), who) );
RETURN;
#else
DIE(aTHX_ PL_no_func, "getpriority()");
- return NORMAL;
#endif
}
const int who = POPi;
const int which = TOPi;
TAINT_PROPER("setpriority");
- SETi( setpriority(which, who, niceval) >= 0 );
+ SETi( setpriority(PRIORITY_WHICH_T(which), who, niceval) >= 0 );
RETURN;
#else
DIE(aTHX_ PL_no_func, "setpriority()");
- return NORMAL;
#endif
}
+#undef PRIORITY_WHICH_T
+
/* Time calls. */
PP(pp_time)
RETURN;
# else
DIE(aTHX_ "times not implemented");
- return NORMAL;
# endif
#endif /* HAS_TIMES */
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "alarm");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ "System V IPC is not implemented on this machine");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_sock_func, "gethostent");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_sock_func, "getnetent");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_sock_func, "getprotoent");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_sock_func, "getservent");
- return NORMAL;
#endif
}
RETSETYES;
#else
DIE(aTHX_ PL_no_sock_func, "sethostent");
- return NORMAL;
#endif
}
RETSETYES;
#else
DIE(aTHX_ PL_no_sock_func, "setnetent");
- return NORMAL;
#endif
}
RETSETYES;
#else
DIE(aTHX_ PL_no_sock_func, "setprotoent");
- return NORMAL;
#endif
}
RETSETYES;
#else
DIE(aTHX_ PL_no_sock_func, "setservent");
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_sock_func, "endhostent");
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_sock_func, "endnetent");
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_sock_func, "endprotoent");
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_sock_func, "endservent");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]);
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_func, "setpwent");
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_func, "endpwent");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]);
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_func, "setgrent");
- return NORMAL;
#endif
}
RETPUSHYES;
#else
DIE(aTHX_ PL_no_func, "endgrent");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "getlogin");
- return NORMAL;
#endif
}
RETURN;
#else
DIE(aTHX_ PL_no_func, "syscall");
- return NORMAL;
#endif
}
https://perl5.git.perl.org / perl5.git / blobdiff