* Use the "DESTRUCTOR" scope cleanup to reinstate magic.
*/
+#ifdef PERL_OBJECT
+
+#define VTBL this->*vtbl
+
+#else
struct magic_state {
SV* mgs_sv;
U32 mgs_flags;
typedef struct magic_state MGS;
static void restore_magic _((void *p));
+#define VTBL *vtbl
+
+#endif
-static void
+STATIC void
save_magic(MGS *mgs, SV *sv)
{
assert(SvMAGICAL(sv));
SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
}
-static void
+STATIC void
restore_magic(void *p)
{
MGS* mgs = (MGS*)p;
}
}
-
void
mg_magical(SV *sv)
{
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
if (vtbl) {
- if (vtbl->svt_get && !(mg->mg_flags & MGf_GSKIP))
+ if ((vtbl->svt_get != NULL) && !(mg->mg_flags & MGf_GSKIP))
SvGMAGICAL_on(sv);
if (vtbl->svt_set)
SvSMAGICAL_on(sv);
- if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || vtbl->svt_clear)
+ if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || (vtbl->svt_clear != NULL))
SvRMAGICAL_on(sv);
}
}
mgp = &SvMAGIC(sv);
while ((mg = *mgp) != 0) {
MGVTBL* vtbl = mg->mg_virtual;
- if (!(mg->mg_flags & MGf_GSKIP) && vtbl && vtbl->svt_get) {
- (*vtbl->svt_get)(sv, mg);
+ if (!(mg->mg_flags & MGf_GSKIP) && vtbl && (vtbl->svt_get != NULL)) {
+ (VTBL->svt_get)(sv, mg);
/* Ignore this magic if it's been deleted */
if ((mg == (mgp_valid ? *mgp : SvMAGIC(sv))) &&
(mg->mg_flags & MGf_GSKIP))
mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */
mgs.mgs_flags = 0;
}
- if (vtbl && vtbl->svt_set)
- (*vtbl->svt_set)(sv, mg);
+ if (vtbl && (vtbl->svt_set != NULL))
+ (VTBL->svt_set)(sv, mg);
}
LEAVE;
}
U32
-mg_len(SV *sv)
+mg_length(SV *sv)
{
MAGIC* mg;
char *junk;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
- if (vtbl && vtbl->svt_len) {
+ if (vtbl && (vtbl->svt_len != NULL)) {
MGS mgs;
ENTER;
save_magic(&mgs, sv);
/* omit MGf_GSKIP -- not changed here */
- len = (*vtbl->svt_len)(sv, mg);
+ len = (VTBL->svt_len)(sv, mg);
LEAVE;
return len;
}
return len;
}
+I32
+mg_size(SV *sv)
+{
+ MAGIC* mg;
+ I32 len;
+
+ for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
+ MGVTBL* vtbl = mg->mg_virtual;
+ if (vtbl && (vtbl->svt_len != NULL)) {
+ MGS mgs;
+ ENTER;
+ /* omit MGf_GSKIP -- not changed here */
+ len = (VTBL->svt_len)(sv, mg);
+ LEAVE;
+ return len;
+ }
+ }
+
+ switch(SvTYPE(sv)) {
+ case SVt_PVAV:
+ len = AvFILLp((AV *) sv); /* Fallback to non-tied array */
+ return len;
+ case SVt_PVHV:
+ /* FIXME */
+ default:
+ croak("Size magic not implemented");
+ break;
+ }
+ return 0;
+}
+
int
mg_clear(SV *sv)
{
MGVTBL* vtbl = mg->mg_virtual;
/* omit GSKIP -- never set here */
- if (vtbl && vtbl->svt_clear)
- (*vtbl->svt_clear)(sv, mg);
+ if (vtbl && (vtbl->svt_clear != NULL))
+ (VTBL->svt_clear)(sv, mg);
}
LEAVE;
for (mg = SvMAGIC(sv); mg; mg = moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
moremagic = mg->mg_moremagic;
- if (vtbl && vtbl->svt_free)
- (*vtbl->svt_free)(sv, mg);
+ if (vtbl && (vtbl->svt_free != NULL))
+ (VTBL->svt_free)(sv, mg);
if (mg->mg_ptr && mg->mg_type != 'g')
if (mg->mg_len >= 0)
Safefree(mg->mg_ptr);
sv_setpv(sv, os2error(Perl_rc));
}
#else
+#ifdef WIN32
+ {
+ DWORD dwErr = GetLastError();
+ sv_setnv(sv, (double)dwErr);
+ if (dwErr)
+ {
+#ifdef PERL_OBJECT
+ char *sMsg;
+ DWORD dwLen;
+ PerlProc_GetSysMsg(sMsg, dwLen, dwErr);
+ sv_setpvn(sv, sMsg, dwLen);
+ PerlProc_FreeBuf(sMsg);
+#else
+ win32_str_os_error(sv, dwErr);
+#endif
+ }
+ else
+ sv_setpv(sv, "");
+ SetLastError(dwErr);
+ }
+#else
sv_setnv(sv, (double)errno);
sv_setpv(sv, errno ? Strerror(errno) : "");
#endif
#endif
+#endif
SvNOK_on(sv); /* what a wonderful hack! */
break;
case '\006': /* ^F */
}
sv_setpvn(sv,s,i);
if (tainting)
- tainted = was_tainted || rx->exec_tainted;
+ tainted = (was_tainted || RX_MATCH_TAINTED(rx) ||
+ (curpm->op_pmflags & PMf_TAINTMEM));
break;
}
}
}
#endif
-#if !defined(OS2) && !defined(AMIGAOS) && !defined(WIN32)
+#if !defined(OS2) && !defined(AMIGAOS) && !defined(WIN32) && !defined(MSDOS)
/* And you'll never guess what the dog had */
/* in its mouth... */
if (tainting) {
s++;
if (i >= sizeof tmpbuf /* too long -- assume the worst */
|| *tmpbuf != '/'
- || (Stat(tmpbuf, &st) == 0 && (st.st_mode & 2)) ) {
+ || (PerlLIO_stat(tmpbuf, &st) == 0 && (st.st_mode & 2)) ) {
MgTAINTEDDIR_on(mg);
return 0;
}
}
}
}
-#endif /* neither OS2 nor AMIGAOS nor WIN32 */
+#endif /* neither OS2 nor AMIGAOS nor WIN32 nor MSDOS */
return 0;
}
int
magic_setisa(SV *sv, MAGIC *mg)
{
+ HV *stash;
+ SV **svp;
+ I32 fill;
+ HV *basefields = Nullhv;
+ GV **gvp;
+ GV *gv;
+ HE *he;
+ static char *FIELDS = "FIELDS";
+
sub_generation++;
+
+ if (mg->mg_type == 'i')
+ return 0; /* Ignore lower-case version of the magic */
+
+ stash = GvSTASH(mg->mg_obj);
+ svp = AvARRAY((AV*)sv);
+
+ /* NOTE: No support for tied ISA */
+ for (fill = AvFILLp((AV*)sv); fill >= 0; fill--, svp++) {
+ HV *basestash = gv_stashsv(*svp, FALSE);
+
+ if (!basestash) {
+ if (dowarn)
+ warn("No such package \"%_\" in @ISA assignment", *svp);
+ continue;
+ }
+ gvp = (GV**)hv_fetch(basestash, FIELDS, 6, FALSE);
+ if (gvp && *gvp && GvHV(*gvp)) {
+ if (basefields)
+ croak("Can't multiply inherit %%FIELDS");
+ basefields = GvHV(*gvp);
+ }
+ }
+
+ if (!basefields)
+ return 0;
+
+ gv = (GV*)*hv_fetch(stash, FIELDS, 6, TRUE);
+ if (!isGV(gv))
+ gv_init(gv, stash, FIELDS, 6, TRUE);
+ if (!GvHV(gv))
+ GvHV(gv) = newHV();
+ if (HvKEYS(GvHV(gv)))
+ croak("Inherited %%FIELDS can't override existing %%FIELDS");
+
+ hv_iterinit(GvHV(gv));
+ while ((he = hv_iternext(basefields)))
+ hv_store(GvHV(gv), HeKEY(he), HeKLEN(he), HeVAL(he), HeHASH(he));
+
return 0;
}
#endif /* OVERLOAD */
int
+magic_getnkeys(SV *sv, MAGIC *mg)
+{
+ HV *hv = (HV*)LvTARG(sv);
+ HE *entry;
+ I32 i = 0;
+
+ if (hv) {
+ (void) hv_iterinit(hv);
+ if (!SvRMAGICAL(hv) || !mg_find((SV*)hv,'P'))
+ i = HvKEYS(hv);
+ else {
+ /*SUPPRESS 560*/
+ while (entry = hv_iternext(hv)) {
+ i++;
+ }
+ }
+ }
+
+ sv_setiv(sv, (IV)i);
+ return 0;
+}
+
+int
magic_setnkeys(SV *sv, MAGIC *mg)
{
if (LvTARG(sv)) {
hv_ksplit((HV*)LvTARG(sv), SvIV(sv));
- LvTARG(sv) = Nullsv; /* Don't allow a ref to reassign this. */
}
return 0;
+}
+
+/* caller is responsible for stack switching/cleanup */
+STATIC int
+magic_methcall(MAGIC *mg, char *meth, I32 flags, int n, SV *val)
+{
+ dSP;
+
+ PUSHMARK(SP);
+ EXTEND(SP, n);
+ PUSHs(mg->mg_obj);
+ if (n > 1) {
+ if (mg->mg_ptr) {
+ if (mg->mg_len >= 0)
+ PUSHs(sv_2mortal(newSVpv(mg->mg_ptr, mg->mg_len)));
+ else if (mg->mg_len == HEf_SVKEY)
+ PUSHs((SV*)mg->mg_ptr);
+ }
+ else if (mg->mg_type == 'p') {
+ PUSHs(sv_2mortal(newSViv(mg->mg_len)));
+ }
+ }
+ if (n > 2) {
+ PUSHs(val);
+ }
+ PUTBACK;
+
+ return perl_call_method(meth, flags);
}
-static int
+STATIC int
magic_methpack(SV *sv, MAGIC *mg, char *meth)
{
dSP;
ENTER;
SAVETMPS;
- PUSHMARK(sp);
- EXTEND(sp, 2);
- PUSHs(mg->mg_obj);
- if (mg->mg_ptr) {
- if (mg->mg_len >= 0)
- PUSHs(sv_2mortal(newSVpv(mg->mg_ptr, mg->mg_len)));
- else if (mg->mg_len == HEf_SVKEY)
- PUSHs((SV*)mg->mg_ptr);
- }
- else if (mg->mg_type == 'p')
- PUSHs(sv_2mortal(newSViv(mg->mg_len)));
- PUTBACK;
+ PUSHSTACK(SI_MAGIC);
- if (perl_call_method(meth, G_SCALAR))
+ if (magic_methcall(mg, meth, G_SCALAR, 2, NULL)) {
sv_setsv(sv, *stack_sp--);
+ }
+ POPSTACK();
FREETMPS;
LEAVE;
return 0;
magic_setpack(SV *sv, MAGIC *mg)
{
dSP;
-
- PUSHMARK(sp);
- EXTEND(sp, 3);
- PUSHs(mg->mg_obj);
- if (mg->mg_ptr) {
- if (mg->mg_len >= 0)
- PUSHs(sv_2mortal(newSVpv(mg->mg_ptr, mg->mg_len)));
- else if (mg->mg_len == HEf_SVKEY)
- PUSHs((SV*)mg->mg_ptr);
- }
- else if (mg->mg_type == 'p')
- PUSHs(sv_2mortal(newSViv(mg->mg_len)));
- PUSHs(sv);
- PUTBACK;
-
- perl_call_method("STORE", G_SCALAR|G_DISCARD);
-
+ ENTER;
+ PUSHSTACK(SI_MAGIC);
+ magic_methcall(mg, "STORE", G_SCALAR|G_DISCARD, 3, sv);
+ POPSTACK();
+ LEAVE;
return 0;
}
return magic_methpack(sv,mg,"DELETE");
}
+
+U32
+magic_sizepack(SV *sv, MAGIC *mg)
+{
+ dSP;
+ U32 retval = 0;
+
+ ENTER;
+ SAVETMPS;
+ PUSHSTACK(SI_MAGIC);
+ if (magic_methcall(mg, "FETCHSIZE", G_SCALAR, 2, NULL)) {
+ sv = *stack_sp--;
+ retval = (U32) SvIV(sv)-1;
+ }
+ POPSTACK();
+ FREETMPS;
+ LEAVE;
+ return retval;
+}
+
int magic_wipepack(SV *sv, MAGIC *mg)
{
dSP;
- PUSHMARK(sp);
+ ENTER;
+ PUSHSTACK(SI_MAGIC);
+ PUSHMARK(SP);
XPUSHs(mg->mg_obj);
PUTBACK;
-
perl_call_method("CLEAR", G_SCALAR|G_DISCARD);
-
+ POPSTACK();
+ LEAVE;
return 0;
}
ENTER;
SAVETMPS;
- PUSHMARK(sp);
- EXTEND(sp, 2);
+ PUSHSTACK(SI_MAGIC);
+ PUSHMARK(SP);
+ EXTEND(SP, 2);
PUSHs(mg->mg_obj);
if (SvOK(key))
PUSHs(key);
if (perl_call_method(meth, G_SCALAR))
sv_setsv(key, *stack_sp--);
+ POPSTACK();
FREETMPS;
LEAVE;
return 0;
}
int
+magic_getsubstr(SV *sv, MAGIC *mg)
+{
+ STRLEN len;
+ SV *lsv = LvTARG(sv);
+ char *tmps = SvPV(lsv,len);
+ I32 offs = LvTARGOFF(sv);
+ I32 rem = LvTARGLEN(sv);
+
+ if (offs > len)
+ offs = len;
+ if (rem + offs > len)
+ rem = len - offs;
+ sv_setpvn(sv, tmps + offs, (STRLEN)rem);
+ return 0;
+}
+
+int
magic_setsubstr(SV *sv, MAGIC *mg)
{
STRLEN len;
}
int
+magic_getvec(SV *sv, MAGIC *mg)
+{
+ SV *lsv = LvTARG(sv);
+ unsigned char *s;
+ unsigned long retnum;
+ STRLEN lsvlen;
+ I32 len;
+ I32 offset;
+ I32 size;
+
+ if (!lsv) {
+ SvOK_off(sv);
+ return 0;
+ }
+ s = (unsigned char *) SvPV(lsv, lsvlen);
+ offset = LvTARGOFF(sv);
+ size = LvTARGLEN(sv);
+ len = (offset + size + 7) / 8;
+
+ /* Copied from pp_vec() */
+
+ if (len > lsvlen) {
+ if (size <= 8)
+ retnum = 0;
+ else {
+ offset >>= 3;
+ if (size == 16) {
+ if (offset >= lsvlen)
+ retnum = 0;
+ else
+ retnum = (unsigned long) s[offset] << 8;
+ }
+ else if (size == 32) {
+ if (offset >= lsvlen)
+ retnum = 0;
+ else if (offset + 1 >= lsvlen)
+ retnum = (unsigned long) s[offset] << 24;
+ else if (offset + 2 >= lsvlen)
+ retnum = ((unsigned long) s[offset] << 24) +
+ ((unsigned long) s[offset + 1] << 16);
+ else
+ retnum = ((unsigned long) s[offset] << 24) +
+ ((unsigned long) s[offset + 1] << 16) +
+ (s[offset + 2] << 8);
+ }
+ }
+ }
+ else if (size < 8)
+ retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
+ else {
+ offset >>= 3;
+ if (size == 8)
+ retnum = s[offset];
+ else if (size == 16)
+ retnum = ((unsigned long) s[offset] << 8) + s[offset+1];
+ else if (size == 32)
+ retnum = ((unsigned long) s[offset] << 24) +
+ ((unsigned long) s[offset + 1] << 16) +
+ (s[offset + 2] << 8) + s[offset+3];
+ }
+
+ sv_setuv(sv, (UV)retnum);
+ return 0;
+}
+
+int
magic_setvec(SV *sv, MAGIC *mg)
{
do_vecset(sv); /* XXX slurp this routine */
return 0;
}
+int
+magic_freeregexp(SV *sv, MAGIC *mg)
+{
+ regexp *re = (regexp *)mg->mg_obj;
+ ReREFCNT_dec(re);
+ return 0;
+}
+
#ifdef USE_LOCALE_COLLATE
int
magic_setcollxfrm(SV *sv, MAGIC *mg)
#ifdef VMS
set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
#else
+#ifdef WIN32
+ SetLastError( SvIV(sv) );
+#else
/* will anyone ever use this? */
SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv), 4);
#endif
+#endif
break;
case '\006': /* ^F */
maxsysfd = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
STATUS_POSIX_SET(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
break;
case '!':
- SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv),
+ SETERRNO(SvIOK(sv) ? SvIVX(sv) : SvOK(sv) ? sv_2iv(sv) : 0,
(SvIV(sv) == EVMSERR) ? 4 : vaxc$errno);
break;
case '<':
(void)setresuid((Uid_t)uid, (Uid_t)-1, (Uid_t)-1);
#else
if (uid == euid) /* special case $< = $> */
- (void)setuid(uid);
+ (void)PerlProc_setuid(uid);
else {
- uid = (I32)getuid();
+ uid = (I32)PerlProc_getuid();
croak("setruid() not implemented");
}
#endif
#endif
#endif
- uid = (I32)getuid();
+ uid = (I32)PerlProc_getuid();
tainting |= (uid && (euid != uid || egid != gid));
break;
case '>':
(void)setresuid((Uid_t)-1, (Uid_t)euid, (Uid_t)-1);
#else
if (euid == uid) /* special case $> = $< */
- setuid(euid);
+ PerlProc_setuid(euid);
else {
- euid = (I32)geteuid();
+ euid = (I32)PerlProc_geteuid();
croak("seteuid() not implemented");
}
#endif
#endif
#endif
- euid = (I32)geteuid();
+ euid = (I32)PerlProc_geteuid();
tainting |= (uid && (euid != uid || egid != gid));
break;
case '(':
(void)setresgid((Gid_t)gid, (Gid_t)-1, (Gid_t) 1);
#else
if (gid == egid) /* special case $( = $) */
- (void)setgid(gid);
+ (void)PerlProc_setgid(gid);
else {
- gid = (I32)getgid();
+ gid = (I32)PerlProc_getgid();
croak("setrgid() not implemented");
}
#endif
#endif
#endif
- gid = (I32)getgid();
+ gid = (I32)PerlProc_getgid();
tainting |= (uid && (euid != uid || egid != gid));
break;
case ')':
(void)setresgid((Gid_t)-1, (Gid_t)egid, (Gid_t)-1);
#else
if (egid == gid) /* special case $) = $( */
- (void)setgid(egid);
+ (void)PerlProc_setgid(egid);
else {
- egid = (I32)getegid();
+ egid = (I32)PerlProc_getegid();
croak("setegid() not implemented");
}
#endif
#endif
#endif
- egid = (I32)getegid();
+ egid = (I32)PerlProc_getegid();
tainting |= (uid && (euid != uid || egid != gid));
break;
case ':':
static SV* sig_sv;
-static void
+STATIC void
unwind_handler_stack(void *p)
{
dTHR;
sighandler(int sig)
{
dSP;
- GV *gv;
+ GV *gv = Nullgv;
HV *st;
SV *sv, *tSv = Sv;
- CV *cv;
- AV *oldstack;
+ CV *cv = Nullcv;
OP *myop = op;
U32 flags = 0;
I32 o_save_i = savestack_ix, type;
- CONTEXT *cx;
XPV *tXpv = Xpv;
if (savestack_ix + 15 <= savestack_max)
flags |= 1;
- if (cxstack_ix < cxstack_max - 2)
- flags |= 2;
if (markstack_ptr < markstack_max - 2)
flags |= 4;
if (retstack_ix < retstack_max - 2)
if (scopestack_ix < scopestack_max - 3)
flags |= 16;
- if (flags & 2) { /* POPBLOCK may decrease cxstack too early. */
- cxstack_ix++; /* Protect from overwrite. */
- cx = &cxstack[cxstack_ix];
- type = cx->cx_type; /* Can be during partial write. */
- cx->cx_type = CXt_NULL; /* Make it safe for unwind. */
- }
if (!psig_ptr[sig])
die("Signal SIG%s received, but no signal handler set.\n",
sig_name[sig]);
if (!cv || !CvROOT(cv)) {
if (dowarn)
warn("SIG%s handler \"%s\" not defined.\n",
- sig_name[sig], GvENAME(gv) );
- return;
+ sig_name[sig], (gv ? GvENAME(gv)
+ : ((cv && CvGV(cv))
+ ? GvENAME(CvGV(cv))
+ : "__ANON__")));
+ goto cleanup;
}
- oldstack = curstack;
- if (curstack != signalstack)
- AvFILL(signalstack) = 0;
- SWITCHSTACK(curstack, signalstack);
-
if(psig_name[sig]) {
sv = SvREFCNT_inc(psig_name[sig]);
flags |= 64;
sv = sv_newmortal();
sv_setpv(sv,sig_name[sig]);
}
- PUSHMARK(sp);
+
+ PUSHSTACK(SI_SIGNAL);
+ PUSHMARK(SP);
PUSHs(sv);
PUTBACK;
perl_call_sv((SV*)cv, G_DISCARD);
- SWITCHSTACK(signalstack, oldstack);
+ POPSTACK();
+cleanup:
if (flags & 1)
savestack_ix -= 8; /* Unprotect save in progress. */
- if (flags & 2) {
- cxstack[cxstack_ix].cx_type = type;
- cxstack_ix -= 1;
- }
if (flags & 4)
markstack_ptr--;
if (flags & 8)