#ifndef getpwent
struct passwd *getpwent (void);
#elif defined (VMS) && defined (my_getpwent)
- struct passwd *Perl_my_getpwent (void);
+ struct passwd *Perl_my_getpwent (pTHX);
#endif
# endif
#endif
#undef PERL_EFF_ACCESS_W_OK
#undef PERL_EFF_ACCESS_X_OK
+/* AIX 5.2 and below use mktime for localtime, and defines the edge case
+ * for time 0x7fffffff to be valid only in UTC. AIX 5.3 provides localtime64
+ * available in the 32bit environment, which could warrant Configure
+ * checks in the future.
+ */
+#ifdef _AIX
+#define LOCALTIME_EDGECASE_BROKEN
+#endif
+
/* F_OK unused: if stat() cannot find it... */
#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
{
dSP; dTARGET;
PerlIO *fp;
- const char *tmps = POPpconstx;
+ const char * const tmps = POPpconstx;
const I32 gimme = GIMME_V;
const char *mode = "r";
mode = "rb";
else if (PL_op->op_private & OPpOPEN_IN_CRLF)
mode = "rt";
- fp = PerlProc_popen((char*)tmps, (char *)mode);
+ fp = PerlProc_popen(tmps, mode);
if (fp) {
const char *type = NULL;
if (PL_curcop->cop_io) {
if (gimme == G_VOID) {
char tmpbuf[256];
while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
- /*SUPPRESS 530*/
;
}
else if (gimme == G_SCALAR) {
PL_rs = &PL_sv_undef;
sv_setpvn(TARG, "", 0); /* note that this preserves previous buffer */
while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
- /*SUPPRESS 530*/
;
LEAVE;
XPUSHs(TARG);
SvTAINTED_on(TARG);
}
else {
- SV *sv;
-
for (;;) {
- sv = NEWSV(56, 79);
+ SV * const sv = NEWSV(56, 79);
if (sv_gets(sv, fp, 0) == Nullch) {
SvREFCNT_dec(sv);
break;
SvTAINTED_on(sv);
}
}
- STATUS_NATIVE_SET(PerlProc_pclose(fp));
+ STATUS_NATIVE_CHILD_SET(PerlProc_pclose(fp));
TAINT; /* "I believe that this is not gratuitous!" */
}
else {
- STATUS_NATIVE_SET(-1);
+ STATUS_NATIVE_CHILD_SET(-1);
if (gimme == G_SCALAR)
RETPUSHUNDEF;
}
}
tmps = SvPV_const(tmpsv, len);
if ((!tmps || !len) && PL_errgv) {
- SV *error = ERRSV;
+ SV * const error = ERRSV;
SvUPGRADE(error, SVt_PV);
if (SvPOK(error) && SvCUR(error))
sv_catpv(error, "\t...caught");
sv_setsv(error,*PL_stack_sp--);
}
}
- DIE_NULL;
+ DIE(aTHX_ Nullch);
}
else {
if (SvPOK(error) && SvCUR(error))
sv_catpv(error, "\t...propagated");
tmpsv = error;
- tmps = SvPV_const(tmpsv, len);
+ if (SvOK(tmpsv))
+ tmps = SvPV_const(tmpsv, len);
+ else
+ tmps = Nullch;
}
}
if (!tmps || !len)
sv = *++MARK;
}
else {
- sv = GvSV(gv);
+ sv = GvSVn(gv);
}
tmps = SvPV_const(sv, len);
- ok = do_openn(gv, (char *)tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
+ ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
SP = ORIGMARK;
if (ok)
PUSHi( (I32)PL_forkprocess );
RETPUSHYES;
if ((mg = SvTIED_mg(sv, how))) {
- SV *obj = SvRV(SvTIED_obj(sv, mg));
+ SV * const obj = SvRV(SvTIED_obj(sv, mg));
GV *gv;
CV *cv = NULL;
if (obj) {
LEAVE;
SPAGAIN;
}
- else if (ckWARN(WARN_UNTIE)) {
- if (mg && SvREFCNT(obj) > 1)
+ else if (mg && SvREFCNT(obj) > 1 && ckWARN(WARN_UNTIE)) {
Perl_warner(aTHX_ packWARN(WARN_UNTIE),
"untie attempted while %"UVuf" inner references still exist",
(UV)SvREFCNT(obj) - 1 ) ;
PP(pp_tied)
{
dSP;
- MAGIC *mg;
+ const MAGIC *mg;
SV *sv = POPs;
const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
PP(pp_dbmopen)
{
dVAR; dSP;
- HV *hv;
dPOPPOPssrl;
HV* stash;
GV *gv;
SV *sv;
- hv = (HV*)POPs;
+ HV * const hv = (HV*)POPs;
sv = sv_mortalcopy(&PL_sv_no);
sv_setpv(sv, "AnyDBM_File");
SP -= 4;
for (i = 1; i <= 3; i++) {
- if (!SvPOK(SP[i]))
+ SV *sv = SP[i];
+ if (!SvOK(sv))
continue;
- j = SvCUR(SP[i]);
+ if (SvREADONLY(sv)) {
+ if (SvIsCOW(sv))
+ sv_force_normal_flags(sv, 0);
+ if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0))
+ DIE(aTHX_ PL_no_modify);
+ }
+ if (!SvPOK(sv)) {
+ if (ckWARN(WARN_MISC))
+ Perl_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask");
+ SvPV_force_nolen(sv); /* force string conversion */
+ }
+ j = SvCUR(sv);
if (maxlen < j)
maxlen = j;
}
for (i = 1; i <= 3; i++) {
sv = SP[i];
- if (!SvOK(sv)) {
+ if (!SvOK(sv) || SvCUR(sv) == 0) {
fd_sets[i] = 0;
continue;
}
- else if (!SvPOK(sv))
- SvPV_force_nolen(sv); /* force string conversion */
+ assert(SvPOK(sv));
j = SvLEN(sv);
if (j < growsize) {
Sv_Grow(sv, growsize);
#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
s = SvPVX(sv);
- New(403, fd_sets[i], growsize, char);
+ Newx(fd_sets[i], growsize, char);
for (offset = 0; offset < growsize; offset += masksize) {
for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
fd_sets[i][j+offset] = s[(k % masksize) + offset];
}
}
- if (nfound == -1)
- PUSHs(&PL_sv_undef);
- else
- PUSHi(nfound);
+ PUSHi(nfound);
if (GIMME == G_ARRAY && tbuf) {
value = (NV)(timebuf.tv_sec) +
(NV)(timebuf.tv_usec) / 1000000.0;
if (! hv)
XPUSHs(&PL_sv_undef);
else {
- GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
+ GV ** const gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
if (gvp && *gvp == egv) {
gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
XPUSHTARG;
PP(pp_getc)
{
dVAR; dSP; dTARGET;
- GV *gv;
IO *io = NULL;
MAGIC *mg;
-
- if (MAXARG == 0)
- gv = PL_stdingv;
- else
- gv = (GV*)POPs;
+ GV * const gv = (MAXARG==0) ? PL_stdingv : (GV*)POPs;
if (gv && (io = GvIO(gv))
&& (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
RETURN;
}
if (!gv || do_eof(gv)) { /* make sure we have fp with something */
- if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)
- && (!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY)))
+ if ((!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY))
+ && ckWARN2(WARN_UNOPENED,WARN_CLOSED))
report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS_IFI);
RETPUSHUNDEF;
PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
PUSHFORMAT(cx);
cx->blk_sub.retop = retop;
- PAD_SET_CUR(CvPADLIST(cv), 1);
+ SAVECOMPPAD();
+ PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1);
setdefout(gv); /* locally select filehandle so $% et al work */
return CvSTART(cv);
PP(pp_leavewrite)
{
dVAR; dSP;
- GV *gv = cxstack[cxstack_ix].blk_sub.gv;
- register IO *io = GvIOp(gv);
- PerlIO *ofp = IoOFP(io);
+ GV * const gv = cxstack[cxstack_ix].blk_sub.gv;
+ register IO * const io = GvIOp(gv);
+ PerlIO * const ofp = IoOFP(io);
PerlIO *fp;
SV **newsp;
I32 gimme;
CV *cv;
if (!IoTOP_GV(io)) {
GV *topgv;
- SV *topname;
if (!IoTOP_NAME(io)) {
+ SV *topname;
if (!IoFMT_NAME(io))
IoFMT_NAME(io) = savepv(GvNAME(gv));
topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv)));
/* bad_ofp: */
PL_formtarget = PL_bodytarget;
PUTBACK;
+ PERL_UNUSED_VAR(newsp);
+ PERL_UNUSED_VAR(gimme);
return cx->blk_sub.retop;
}
PP(pp_sysopen)
{
dSP;
- GV *gv;
- SV *sv;
- const char *tmps;
- STRLEN len;
const int perm = (MAXARG > 3) ? POPi : 0666;
const int mode = POPi;
-
- sv = POPs;
- gv = (GV *)POPs;
+ SV * const sv = POPs;
+ GV * const gv = (GV *)POPs;
+ STRLEN len;
/* Need TIEHANDLE method ? */
-
- tmps = SvPV_const(sv, len);
+ const char * const tmps = SvPV_const(sv, len);
/* FIXME? do_open should do const */
- if (do_open(gv, (char*)tmps, len, TRUE, mode, perm, Nullfp)) {
+ if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
IoLINES(GvIOp(gv)) = 0;
PUSHs(&PL_sv_yes);
}
{
dVAR; dSP; dMARK; dORIGMARK; dTARGET;
int offset;
- GV *gv;
IO *io;
char *buffer;
SSize_t length;
Sock_size_t bufsize;
SV *bufsv;
STRLEN blen;
- MAGIC *mg;
int fp_utf8;
int buffer_utf8;
SV *read_target;
STRLEN charskip = 0;
STRLEN skip = 0;
- gv = (GV*)*++MARK;
+ GV * const gv = (GV*)*++MARK;
if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD)
- && gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ && gv && (io = GvIO(gv)) )
{
- SV *sv;
-
- PUSHMARK(MARK-1);
- *MARK = SvTIED_obj((SV*)io, mg);
- ENTER;
- call_method("READ", G_SCALAR);
- LEAVE;
- SPAGAIN;
- sv = POPs;
- SP = ORIGMARK;
- PUSHs(sv);
- RETURN;
+ const MAGIC * mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ if (mg) {
+ SV *sv;
+ PUSHMARK(MARK-1);
+ *MARK = SvTIED_obj((SV*)io, mg);
+ ENTER;
+ call_method("READ", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ sv = POPs;
+ SP = ORIGMARK;
+ PUSHs(sv);
+ RETURN;
+ }
}
if (!gv)
if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
IoLINES(io) = 0;
IoFLAGS(io) &= ~IOf_START;
- do_open(gv, (char *)"-", 1, FALSE, O_RDONLY, 0, Nullfp);
+ do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
sv_setpvn(GvSV(gv), "-", 1);
SvSETMAGIC(GvSV(gv));
}
extern void GETUSERMODE();
#endif
SV *addrsv = POPs;
- char *addr;
+ /* OK, so on what platform does bind modify addr? */
+ const char *addr;
GV *gv = (GV*)POPs;
register IO *io = GvIOn(gv);
STRLEN len;
if (!io || !IoIFP(io))
goto nuts;
- addr = SvPV(addrsv, len);
+ addr = SvPV_const(addrsv, len);
TAINT_PROPER("bind");
#ifdef MPE /* Deal with MPE bind() peculiarities */
if (((struct sockaddr *)addr)->sa_family == AF_INET) {
#ifdef HAS_SOCKET
dSP;
SV *addrsv = POPs;
- char *addr;
+ const char *addr;
GV *gv = (GV*)POPs;
register IO *io = GvIOn(gv);
STRLEN len;
if (!io || !IoIFP(io))
goto nuts;
- addr = SvPV(addrsv, len);
+ addr = SvPV_const(addrsv, len);
TAINT_PROPER("connect");
if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
RETPUSHYES;
PUSHs(sv);
break;
case OP_SSOCKOPT: {
- char *buf;
+#if defined(__SYMBIAN32__)
+# define SETSOCKOPT_OPTION_VALUE_T void *
+#else
+# define SETSOCKOPT_OPTION_VALUE_T const char *
+#endif
+ /* XXX TODO: We need to have a proper type (a Configure probe,
+ * etc.) for what the C headers think of the third argument of
+ * setsockopt(), the option_value read-only buffer: is it
+ * a "char *", or a "void *", const or not. Some compilers
+ * don't take kindly to e.g. assuming that "char *" implicitly
+ * promotes to a "void *", or to explicitly promoting/demoting
+ * consts to non/vice versa. The "const void *" is the SUS
+ * definition, but that does not fly everywhere for the above
+ * reasons. */
+ SETSOCKOPT_OPTION_VALUE_T buf;
int aint;
if (SvPOKp(sv)) {
STRLEN l;
- buf = SvPV(sv, l);
+ buf = (SETSOCKOPT_OPTION_VALUE_T) SvPV_const(sv, l);
len = l;
}
else {
aint = (int)SvIV(sv);
- buf = (char*)&aint;
+ buf = (SETSOCKOPT_OPTION_VALUE_T) &aint;
len = sizeof(int);
}
if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
{
static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
/* If the call succeeded, make sure we don't have a zeroed port/addr */
- if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
- !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
+ if (((struct sockaddr *)SvPVX_const(sv))->sa_family == AF_INET &&
+ !memcmp(SvPVX_const(sv) + sizeof(u_short), nowhere,
sizeof(u_short) + sizeof(struct in_addr))) {
goto nuts2;
}
if (GvIO(gv) && IoIFP(GvIOp(gv)))
fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
else if (tmpsv && SvOK(tmpsv)) {
- char *tmps = SvPV_nolen(tmpsv);
+ const char *tmps = SvPV_nolen_const(tmpsv);
if (isDIGIT(*tmps))
fd = atoi(tmps);
else
really_filename:
PL_statgv = Nullgv;
PL_laststype = OP_STAT;
- sv_setpv(PL_statname, SvPV_nolen(sv));
+ sv_setpv(PL_statname, SvPV_nolen_const(sv));
if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) {
- if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen(PL_statname), '\n'))
+ if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname),
+ '\n'))
Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open");
RETPUSHUNDEF;
}
PP(pp_chdir)
{
dSP; dTARGET;
- const char *tmps;
- SV **svp;
+ const char *tmps = 0;
+ GV *gv = NULL;
- if( MAXARG == 1 )
- tmps = POPpconstx;
- else
- tmps = 0;
+ if( MAXARG == 1 ) {
+ SV * const sv = POPs;
+ if (SvTYPE(sv) == SVt_PVGV) {
+ gv = (GV*)sv;
+ }
+ else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
+ gv = (GV*)SvRV(sv);
+ }
+ else {
+ tmps = SvPVx_nolen_const(sv);
+ }
+ }
+
+ if( !gv && (!tmps || !*tmps) ) {
+ HV * const table = GvHVn(PL_envgv);
+ SV **svp;
- if( !tmps || !*tmps ) {
- if ( (svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE))
- || (svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE))
+ if ( (svp = hv_fetch(table, "HOME", 4, FALSE))
+ || (svp = hv_fetch(table, "LOGDIR", 6, FALSE))
#ifdef VMS
- || (svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE))
+ || (svp = hv_fetch(table, "SYS$LOGIN", 9, FALSE))
#endif
)
{
}
TAINT_PROPER("chdir");
- PUSHi( PerlDir_chdir(tmps) >= 0 );
+ if (gv) {
+#ifdef HAS_FCHDIR
+ IO* const io = GvIO(gv);
+ if (io) {
+ if (IoIFP(io)) {
+ PUSHi(fchdir(PerlIO_fileno(IoIFP(io))) >= 0);
+ }
+ else if (IoDIRP(io)) {
+#ifdef HAS_DIRFD
+ PUSHi(fchdir(dirfd(IoDIRP(io))) >= 0);
+#else
+ DIE(aTHX_ PL_no_func, "dirfd");
+#endif
+ }
+ else {
+ PUSHi(0);
+ }
+ }
+ else {
+ PUSHi(0);
+ }
+#else
+ DIE(aTHX_ PL_no_func, "fchdir");
+#endif
+ }
+ else
+ PUSHi( PerlDir_chdir(tmps) >= 0 );
#ifdef VMS
/* Clear the DEFAULT element of ENV so we'll get the new value
* in the future. */
PerlIO *myfp;
int anum = 1;
- New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
+ Newx(cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
strcpy(cmdline, cmd);
strcat(cmdline, " ");
for (s = cmdline + strlen(cmdline); *filename; ) {
if (childpid < 0)
RETSETUNDEF;
if (!childpid) {
- /*SUPPRESS 560*/
if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV))) {
SvREADONLY_off(GvSV(tmpgv));
sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
#ifdef THREADS_HAVE_PIDS
PL_ppid = (IV)getppid();
#endif
+#ifdef PERL_USES_PL_PIDSTATUS
hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
+#endif
}
PUSHi(childpid);
RETURN;
}
# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
/* 0 and -1 are both error returns (the former applies to WNOHANG case) */
- STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
+ STATUS_NATIVE_CHILD_SET((childpid && childpid != -1) ? argflags : -1);
# else
- STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
+ STATUS_NATIVE_CHILD_SET((childpid > 0) ? argflags : -1);
# endif
XPUSHi(childpid);
RETURN;
}
# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
/* 0 and -1 are both error returns (the former applies to WNOHANG case) */
- STATUS_NATIVE_SET((result && result != -1) ? argflags : -1);
+ STATUS_NATIVE_CHILD_SET((result && result != -1) ? argflags : -1);
# else
- STATUS_NATIVE_SET((result > 0) ? argflags : -1);
+ STATUS_NATIVE_CHILD_SET((result > 0) ? argflags : -1);
# endif
SETi(result);
RETURN;
if (did_pipes)
PerlLIO_close(pp[1]);
#ifndef PERL_MICRO
- rsignal_save(SIGINT, SIG_IGN, &ihand);
- rsignal_save(SIGQUIT, SIG_IGN, &qhand);
+ rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand);
+ rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand);
#endif
do {
result = wait4pid(childpid, &status, 0);
(void)rsignal_restore(SIGINT, &ihand);
(void)rsignal_restore(SIGQUIT, &qhand);
#endif
- STATUS_NATIVE_SET(result == -1 ? -1 : status);
+ STATUS_NATIVE_CHILD_SET(result == -1 ? -1 : status);
do_execfree(); /* free any memory child malloced on fork */
SP = ORIGMARK;
if (did_pipes) {
if (n != sizeof(int))
DIE(aTHX_ "panic: kid popen errno read");
errno = errkid; /* Propagate errno from kid */
- STATUS_CURRENT = -1;
+ STATUS_NATIVE_CHILD_SET(-1);
}
}
PUSHi(STATUS_CURRENT);
result = 0;
if (PL_op->op_flags & OPf_STACKED) {
SV *really = *++MARK;
-# if defined(WIN32) || defined(OS2) || defined(SYMBIAN)
+# if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__)
value = (I32)do_aspawn(really, MARK, SP);
# else
value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
# endif
}
else if (SP - MARK != 1) {
-# if defined(WIN32) || defined(OS2) || defined(SYMBIAN)
+# if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__)
value = (I32)do_aspawn(Nullsv, MARK, SP);
# else
value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
}
if (PL_statusvalue == -1) /* hint that value must be returned as is */
result = 1;
- STATUS_NATIVE_SET(value);
+ STATUS_NATIVE_CHILD_SET(value);
do_execfree();
SP = ORIGMARK;
PUSHi(result ? value : STATUS_CURRENT);
return pp_gmtime();
}
+#ifdef LOCALTIME_EDGECASE_BROKEN
+static struct tm *S_my_localtime (pTHX_ Time_t *tp)
+{
+ auto time_t T;
+ auto struct tm *P;
+
+ /* No workarounds in the valid range */
+ if (!tp || *tp < 0x7fff573f || *tp >= 0x80000000)
+ return (localtime (tp));
+
+ /* This edge case is to workaround the undefined behaviour, where the
+ * TIMEZONE makes the time go beyond the defined range.
+ * gmtime (0x7fffffff) => 2038-01-19 03:14:07
+ * If there is a negative offset in TZ, like MET-1METDST, some broken
+ * implementations of localtime () (like AIX 5.2) barf with bogus
+ * return values:
+ * 0x7fffffff gmtime 2038-01-19 03:14:07
+ * 0x7fffffff localtime 1901-12-13 21:45:51
+ * 0x7fffffff mylocaltime 2038-01-19 04:14:07
+ * 0x3c19137f gmtime 2001-12-13 20:45:51
+ * 0x3c19137f localtime 2001-12-13 21:45:51
+ * 0x3c19137f mylocaltime 2001-12-13 21:45:51
+ * Given that legal timezones are typically between GMT-12 and GMT+12
+ * we turn back the clock 23 hours before calling the localtime
+ * function, and add those to the return value. This will never cause
+ * day wrapping problems, since the edge case is Tue Jan *19*
+ */
+ T = *tp - 82800; /* 23 hour. allows up to GMT-23 */
+ P = localtime (&T);
+ P->tm_hour += 23;
+ if (P->tm_hour >= 24) {
+ P->tm_hour -= 24;
+ P->tm_mday++; /* 18 -> 19 */
+ P->tm_wday++; /* Mon -> Tue */
+ P->tm_yday++; /* 18 -> 19 */
+ }
+ return (P);
+} /* S_my_localtime */
+#endif
+
PP(pp_gmtime)
{
dSP;
#endif
if (PL_op->op_type == OP_LOCALTIME)
+#ifdef LOCALTIME_EDGECASE_BROKEN
+ tmbuf = S_my_localtime(aTHX_ &when);
+#else
tmbuf = localtime(&when);
+#endif
else
tmbuf = gmtime(&when);
h_errno = PL_reentrant_buffer->_gethostent_errno;
# endif
#endif
- STATUS_NATIVE_SET(h_errno);
+ STATUS_UNIX_SET(h_errno);
}
#endif
h_errno = PL_reentrant_buffer->_getnetent_errno;
# endif
#endif
- STATUS_NATIVE_SET(h_errno);
+ STATUS_UNIX_SET(h_errno);
}
#endif
https://perl5.git.perl.org / perl5.git / blobdiff