-/* $RCSfile: hash.c,v $$Revision: 4.1 $$Date: 92/08/07 18:21:48 $
+/* mg.c
*
- * Copyright (c) 1993, Larry Wall
+ * Copyright (c) 1991-1994, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
- * $Log: hash.c,v $
+ */
+
+/*
+ * "Sam sat on the ground and put his head in his hands. 'I wish I had never
+ * come here, and I don't want to see no more magic,' he said, and fell silent."
*/
#include "EXTERN.h"
#include "perl.h"
+/* XXX If this causes problems, set i_unistd=undef in the hint file. */
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+
+#ifdef HAS_GETGROUPS
+# ifndef NGROUPS
+# define NGROUPS 32
+# endif
+#endif
+
+#define TAINT_FROM_REGEX(sv,rx) \
+ if ((rx)->exec_tainted) { \
+ TAINT; \
+ SvTAINTED_on(sv); \
+ } \
+ else \
+ SvTAINTED_off(sv);
+
+/*
+ * Use the "DESTRUCTOR" scope cleanup to reinstate magic.
+ */
+
+struct magic_state {
+ SV* mgs_sv;
+ U32 mgs_flags;
+};
+typedef struct magic_state MGS;
+
+static void restore_magic _((void *p));
+
+static void
+save_magic(mgs, sv)
+MGS* mgs;
+SV* sv;
+{
+ assert(SvMAGICAL(sv));
+
+ mgs->mgs_sv = sv;
+ mgs->mgs_flags = SvMAGICAL(sv) | SvREADONLY(sv);
+ SAVEDESTRUCTOR(restore_magic, mgs);
+
+ SvMAGICAL_off(sv);
+ SvREADONLY_off(sv);
+ SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+}
+
+static void
+restore_magic(p)
+void* p;
+{
+ MGS* mgs = (MGS*)p;
+ SV* sv = mgs->mgs_sv;
+
+ if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
+ {
+ if (mgs->mgs_flags)
+ SvFLAGS(sv) |= mgs->mgs_flags;
+ else
+ mg_magical(sv);
+ if (SvGMAGICAL(sv))
+ SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
+ }
+}
+
+
void
mg_magical(sv)
SV* sv;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
if (vtbl) {
- if (vtbl->svt_get)
+ if (vtbl->svt_get && !(mg->mg_flags & MGf_GSKIP))
SvGMAGICAL_on(sv);
if (vtbl->svt_set)
SvSMAGICAL_on(sv);
mg_get(sv)
SV* sv;
{
+ MGS mgs;
MAGIC* mg;
- U32 savemagic = SvMAGICAL(sv);
+ MAGIC** mgp;
+ int mgp_valid = 0;
- SvMAGICAL_off(sv);
- SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ ENTER;
+ save_magic(&mgs, sv);
- for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
+ mgp = &SvMAGIC(sv);
+ while ((mg = *mgp) != 0) {
MGVTBL* vtbl = mg->mg_virtual;
- if (vtbl && vtbl->svt_get)
+ if (!(mg->mg_flags & MGf_GSKIP) && vtbl && vtbl->svt_get) {
(*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))
+ mgs.mgs_flags = 0;
+ }
+ /* Advance to next magic (complicated by possible deletion) */
+ if (mg == (mgp_valid ? *mgp : SvMAGIC(sv))) {
+ mgp = &mg->mg_moremagic;
+ mgp_valid = 1;
+ }
+ else
+ mgp = &SvMAGIC(sv); /* Re-establish pointer after sv_upgrade */
}
- SvFLAGS(sv) |= savemagic;
- assert(SvGMAGICAL(sv));
- SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
-
+ LEAVE;
return 0;
}
mg_set(sv)
SV* sv;
{
+ MGS mgs;
MAGIC* mg;
MAGIC* nextmg;
- U32 savemagic = SvMAGICAL(sv);
- SvMAGICAL_off(sv);
+ ENTER;
+ save_magic(&mgs, sv);
for (mg = SvMAGIC(sv); mg; mg = nextmg) {
MGVTBL* vtbl = mg->mg_virtual;
nextmg = mg->mg_moremagic; /* it may delete itself */
+ if (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 (SvMAGIC(sv)) {
- SvFLAGS(sv) |= savemagic;
- if (SvGMAGICAL(sv))
- SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
- }
-
+ LEAVE;
return 0;
}
SV* sv;
{
MAGIC* mg;
- char *s;
+ char *junk;
STRLEN len;
- U32 savemagic = SvMAGICAL(sv);
-
- SvMAGICAL_off(sv);
- SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
- if (vtbl && vtbl->svt_len)
- return (*vtbl->svt_len)(sv, mg);
+ if (vtbl && vtbl->svt_len) {
+ MGS mgs;
+
+ ENTER;
+ save_magic(&mgs, sv);
+ /* omit MGf_GSKIP -- not changed here */
+ len = (*vtbl->svt_len)(sv, mg);
+ LEAVE;
+ return len;
+ }
}
- mg_get(sv);
- s = SvPV(sv, len);
-
- SvFLAGS(sv) |= savemagic;
- if (SvGMAGICAL(sv))
- SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
+ junk = SvPV(sv, len);
return len;
}
mg_clear(sv)
SV* sv;
{
+ MGS mgs;
MAGIC* mg;
- U32 savemagic = SvMAGICAL(sv);
- SvMAGICAL_off(sv);
- SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ ENTER;
+ save_magic(&mgs, sv);
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
+ /* omit GSKIP -- never set here */
+
if (vtbl && vtbl->svt_clear)
(*vtbl->svt_clear)(sv, mg);
}
- SvFLAGS(sv) |= savemagic;
- if (SvGMAGICAL(sv))
- SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
-
+ LEAVE;
return 0;
}
MAGIC*
-#ifndef STANDARD_C
mg_find(sv, type)
SV* sv;
-char type;
-#else
-mg_find(SV *sv, char type)
-#endif /* STANDARD_C */
+int type;
{
MAGIC* mg;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
SV* sv;
SV* nsv;
char *key;
-STRLEN klen;
+I32 klen;
{
int count = 0;
MAGIC* mg;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
if (isUPPER(mg->mg_type)) {
- sv_magic(nsv, mg->mg_obj, tolower(mg->mg_type), key, klen);
+ sv_magic(nsv, mg->mg_obj, toLOWER(mg->mg_type), key, klen);
count++;
}
}
if (vtbl && vtbl->svt_free)
(*vtbl->svt_free)(sv, mg);
if (mg->mg_ptr && mg->mg_type != 'g')
- Safefree(mg->mg_ptr);
- if (mg->mg_obj != sv)
+ if (mg->mg_len >= 0)
+ Safefree(mg->mg_ptr);
+ else if (mg->mg_len == HEf_SVKEY)
+ SvREFCNT_dec((SV*)mg->mg_ptr);
+ if (mg->mg_flags & MGf_REFCOUNTED)
SvREFCNT_dec(mg->mg_obj);
Safefree(mg);
}
#include <signal.h>
#endif
-#ifdef VOIDSIG
-#define handlertype void
-#else
-#define handlertype int
-#endif
-
-static handlertype sighandler();
-
U32
magic_len(sv, mg)
SV *sv;
register I32 paren;
register char *s;
register I32 i;
+ register REGEXP *rx;
+ char *t;
switch (*mg->mg_ptr) {
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9': case '&':
- if (curpm) {
+ if (curpm && (rx = curpm->op_pmregexp)) {
paren = atoi(mg->mg_ptr);
getparen:
- if (curpm->op_pmregexp &&
- paren <= curpm->op_pmregexp->nparens &&
- (s = curpm->op_pmregexp->startp[paren]) ) {
- i = curpm->op_pmregexp->endp[paren] - s;
+ if (paren <= rx->nparens &&
+ (s = rx->startp[paren]) &&
+ (t = rx->endp[paren]))
+ {
+ i = t - s;
if (i >= 0)
return i;
- else
- return 0;
}
- else
- return 0;
}
+ return 0;
break;
case '+':
- if (curpm) {
- paren = curpm->op_pmregexp->lastparen;
+ if (curpm && (rx = curpm->op_pmregexp)) {
+ paren = rx->lastparen;
+ if (!paren)
+ return 0;
goto getparen;
}
+ return 0;
break;
case '`':
- if (curpm) {
- if (curpm->op_pmregexp &&
- (s = curpm->op_pmregexp->subbeg) ) {
- i = curpm->op_pmregexp->startp[0] - s;
+ if (curpm && (rx = curpm->op_pmregexp)) {
+ if ((s = rx->subbeg)) {
+ i = rx->startp[0] - s;
if (i >= 0)
return i;
- else
- return 0;
}
- else
- return 0;
}
- break;
+ return 0;
case '\'':
- if (curpm) {
- if (curpm->op_pmregexp &&
- (s = curpm->op_pmregexp->endp[0]) ) {
- return (STRLEN) (curpm->op_pmregexp->subend - s);
+ if (curpm && (rx = curpm->op_pmregexp)) {
+ if ((s = rx->endp[0])) {
+ TAINT_IF(rx->exec_tainted);
+ return (STRLEN) (rx->subend - s);
}
- else
- return 0;
}
- break;
+ return 0;
case ',':
return (STRLEN)ofslen;
case '\\':
register I32 paren;
register char *s;
register I32 i;
+ register REGEXP *rx;
+ char *t;
switch (*mg->mg_ptr) {
+ case '\001': /* ^A */
+ sv_setsv(sv, bodytarget);
+ break;
case '\004': /* ^D */
- sv_setiv(sv,(I32)(debug & 32767));
+ sv_setiv(sv, (IV)(debug & 32767));
+ break;
+ case '\005': /* ^E */
+#ifdef VMS
+ {
+# include <descrip.h>
+# include <starlet.h>
+ char msg[255];
+ $DESCRIPTOR(msgdsc,msg);
+ sv_setnv(sv,(double) vaxc$errno);
+ if (sys$getmsg(vaxc$errno,&msgdsc.dsc$w_length,&msgdsc,0,0) & 1)
+ sv_setpvn(sv,msgdsc.dsc$a_pointer,msgdsc.dsc$w_length);
+ else
+ sv_setpv(sv,"");
+ }
+#else
+#ifdef OS2
+ sv_setnv(sv, (double)Perl_rc);
+ sv_setpv(sv, os2error(Perl_rc));
+#else
+ sv_setnv(sv, (double)errno);
+ sv_setpv(sv, errno ? Strerror(errno) : "");
+#endif
+#endif
+ SvNOK_on(sv); /* what a wonderful hack! */
break;
case '\006': /* ^F */
- sv_setiv(sv,(I32)maxsysfd);
+ sv_setiv(sv, (IV)maxsysfd);
+ break;
+ case '\010': /* ^H */
+ sv_setiv(sv, (IV)hints);
break;
case '\t': /* ^I */
if (inplace)
sv_setpv(sv, inplace);
else
- sv_setsv(sv,&sv_undef);
+ sv_setsv(sv, &sv_undef);
+ break;
+ case '\017': /* ^O */
+ sv_setpv(sv, osname);
break;
case '\020': /* ^P */
- sv_setiv(sv,(I32)perldb);
+ sv_setiv(sv, (IV)perldb);
break;
case '\024': /* ^T */
- sv_setiv(sv,(I32)basetime);
+#ifdef BIG_TIME
+ sv_setnv(sv, basetime);
+#else
+ sv_setiv(sv, (IV)basetime);
+#endif
break;
case '\027': /* ^W */
- sv_setiv(sv,(I32)dowarn);
+ sv_setiv(sv, (IV)dowarn);
break;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9': case '&':
- if (curpm) {
- paren = atoi(GvENAME(mg->mg_obj));
+ if (curpm && (rx = curpm->op_pmregexp)) {
+ paren = atoi(GvENAME((GV*)mg->mg_obj));
getparen:
- if (curpm->op_pmregexp &&
- paren <= curpm->op_pmregexp->nparens &&
- (s = curpm->op_pmregexp->startp[paren]) ) {
- i = curpm->op_pmregexp->endp[paren] - s;
- if (i >= 0)
+ if (paren <= rx->nparens &&
+ (s = rx->startp[paren]) &&
+ (t = rx->endp[paren]))
+ {
+ i = t - s;
+ if (i >= 0) {
sv_setpvn(sv,s,i);
- else
- sv_setsv(sv,&sv_undef);
+ TAINT_FROM_REGEX(sv,rx);
+ break;
+ }
}
- else
- sv_setsv(sv,&sv_undef);
}
+ sv_setsv(sv,&sv_undef);
break;
case '+':
- if (curpm) {
- paren = curpm->op_pmregexp->lastparen;
- goto getparen;
+ if (curpm && (rx = curpm->op_pmregexp)) {
+ paren = rx->lastparen;
+ if (paren)
+ goto getparen;
}
+ sv_setsv(sv,&sv_undef);
break;
case '`':
- if (curpm) {
- if (curpm->op_pmregexp &&
- (s = curpm->op_pmregexp->subbeg) ) {
- i = curpm->op_pmregexp->startp[0] - s;
- if (i >= 0)
+ if (curpm && (rx = curpm->op_pmregexp)) {
+ if ((s = rx->subbeg)) {
+ i = rx->startp[0] - s;
+ if (i >= 0) {
sv_setpvn(sv,s,i);
- else
- sv_setpvn(sv,"",0);
+ TAINT_FROM_REGEX(sv,rx);
+ break;
+ }
}
- else
- sv_setpvn(sv,"",0);
}
+ sv_setsv(sv,&sv_undef);
break;
case '\'':
- if (curpm) {
- if (curpm->op_pmregexp &&
- (s = curpm->op_pmregexp->endp[0]) ) {
- sv_setpvn(sv,s, curpm->op_pmregexp->subend - s);
+ if (curpm && (rx = curpm->op_pmregexp)) {
+ if ((s = rx->endp[0])) {
+ sv_setpvn(sv,s, rx->subend - s);
+ TAINT_FROM_REGEX(sv,rx);
+ break;
}
- else
- sv_setpvn(sv,"",0);
}
+ sv_setsv(sv,&sv_undef);
break;
case '.':
#ifndef lint
- if (last_in_gv && GvIO(last_in_gv)) {
- sv_setiv(sv,(I32)IoLINES(GvIO(last_in_gv)));
+ if (GvIO(last_in_gv)) {
+ sv_setiv(sv, (IV)IoLINES(GvIO(last_in_gv)));
}
#endif
break;
case '?':
- sv_setiv(sv,(I32)statusvalue);
+ sv_setiv(sv, (IV)statusvalue);
break;
case '^':
- s = IoTOP_NAME(GvIO(defoutgv));
+ s = IoTOP_NAME(GvIOp(defoutgv));
if (s)
sv_setpv(sv,s);
else {
}
break;
case '~':
- s = IoFMT_NAME(GvIO(defoutgv));
+ s = IoFMT_NAME(GvIOp(defoutgv));
if (!s)
s = GvENAME(defoutgv);
sv_setpv(sv,s);
break;
#ifndef lint
case '=':
- sv_setiv(sv,(I32)IoPAGE_LEN(GvIO(defoutgv)));
+ sv_setiv(sv, (IV)IoPAGE_LEN(GvIOp(defoutgv)));
break;
case '-':
- sv_setiv(sv,(I32)IoLINES_LEFT(GvIO(defoutgv)));
+ sv_setiv(sv, (IV)IoLINES_LEFT(GvIOp(defoutgv)));
break;
case '%':
- sv_setiv(sv,(I32)IoPAGE(GvIO(defoutgv)));
+ sv_setiv(sv, (IV)IoPAGE(GvIOp(defoutgv)));
break;
#endif
case ':':
case '/':
break;
case '[':
- sv_setiv(sv,(I32)arybase);
+ sv_setiv(sv, (IV)curcop->cop_arybase);
break;
case '|':
- if (!GvIO(defoutgv))
- GvIO(defoutgv) = newIO();
- sv_setiv(sv, (IoFLAGS(GvIO(defoutgv)) & IOf_FLUSH) != 0 );
+ sv_setiv(sv, (IV)(IoFLAGS(GvIOp(defoutgv)) & IOf_FLUSH) != 0 );
break;
case ',':
sv_setpvn(sv,ofs,ofslen);
sv_setpv(sv,ofmt);
break;
case '!':
- sv_setnv(sv,(double)errno);
- sv_setpv(sv, errno ? strerror(errno) : "");
+#ifdef VMS
+ sv_setnv(sv, (double)((errno == EVMSERR) ? vaxc$errno : errno));
+ sv_setpv(sv, errno ? Strerror(errno) : "");
+#else
+ {
+ int saveerrno = errno;
+ sv_setnv(sv, (double)errno);
+#ifdef OS2
+ if (errno == errno_isOS2) sv_setpv(sv, os2error(Perl_rc));
+ else
+#endif
+ sv_setpv(sv, errno ? Strerror(errno) : "");
+ errno = saveerrno;
+ }
+#endif
SvNOK_on(sv); /* what a wonderful hack! */
break;
case '<':
- sv_setiv(sv,(I32)uid);
+ sv_setiv(sv, (IV)uid);
break;
case '>':
- sv_setiv(sv,(I32)euid);
+ sv_setiv(sv, (IV)euid);
break;
case '(':
+ sv_setiv(sv, (IV)gid);
s = buf;
(void)sprintf(s,"%d",(int)gid);
goto add_groups;
case ')':
+ sv_setiv(sv, (IV)egid);
s = buf;
(void)sprintf(s,"%d",(int)egid);
add_groups:
while (*s) s++;
#ifdef HAS_GETGROUPS
-#ifndef NGROUPS
-#define NGROUPS 32
-#endif
{
- GROUPSTYPE gary[NGROUPS];
+ Groups_t gary[NGROUPS];
i = getgroups(NGROUPS,gary);
while (--i >= 0) {
- (void)sprintf(s," %ld", (long)gary[i]);
+ (void)sprintf(s," %d", (int)gary[i]);
while (*s) s++;
}
}
#endif
sv_setpv(sv,buf);
+ SvIOK_on(sv); /* what a wonderful hack! */
break;
case '*':
break;
case '0':
break;
}
+ return 0;
}
int
MAGIC* mg;
{
register char *s;
+ char *ptr;
+ STRLEN len;
I32 i;
- s = SvPV(sv,na);
- my_setenv(mg->mg_ptr,s);
+ s = SvPV(sv,len);
+ ptr = MgPV(mg);
+ my_setenv(ptr, s);
+#ifdef DYNAMIC_ENV_FETCH
+ /* We just undefd an environment var. Is a replacement */
+ /* waiting in the wings? */
+ if (!len) {
+ HE *envhe;
+ SV *keysv;
+ if (mg->mg_len == HEf_SVKEY) keysv = (SV *)mg->mg_ptr;
+ else keysv = newSVpv(mg->mg_ptr,mg->mg_len);
+ if (envhe = hv_fetch_ent(GvHVn(envgv),keysv,FALSE,0))
+ s = SvPV(HeVAL(envhe),len);
+ if (mg->mg_len != HEf_SVKEY) SvREFCNT_dec(keysv);
+ }
+#endif
/* And you'll never guess what the dog had */
/* in its mouth... */
if (tainting) {
- if (s && strEQ(mg->mg_ptr,"PATH")) {
- char *strend = SvEND(sv);
+ if (s && strEQ(ptr,"PATH")) {
+ char *strend = s + len;
while (s < strend) {
s = cpytill(tokenbuf,s,strend,':',&i);
s++;
if (*tokenbuf != '/'
- || (stat(tokenbuf,&statbuf) && (statbuf.st_mode & 2)) )
+ || (Stat(tokenbuf,&statbuf) && (statbuf.st_mode & 2)) )
MgTAINTEDDIR_on(mg);
}
}
}
int
+magic_clearenv(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ my_setenv(MgPV(mg),Nullch);
+ return 0;
+}
+
+int
+magic_getsig(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ I32 i;
+ /* Are we fetching a signal entry? */
+ i = whichsig(MgPV(mg));
+ if (i) {
+ if(psig_ptr[i])
+ sv_setsv(sv,psig_ptr[i]);
+ else {
+ Sighandler_t sigstate = rsignal_state(i);
+
+ /* cache state so we don't fetch it again */
+ if(sigstate == SIG_IGN)
+ sv_setpv(sv,"IGNORE");
+ else
+ sv_setsv(sv,&sv_undef);
+ psig_ptr[i] = SvREFCNT_inc(sv);
+ SvTEMP_off(sv);
+ }
+ }
+ return 0;
+}
+int
+magic_clearsig(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ I32 i;
+ /* Are we clearing a signal entry? */
+ i = whichsig(MgPV(mg));
+ if (i) {
+ if(psig_ptr[i]) {
+ SvREFCNT_dec(psig_ptr[i]);
+ psig_ptr[i]=0;
+ }
+ if(psig_name[i]) {
+ SvREFCNT_dec(psig_name[i]);
+ psig_name[i]=0;
+ }
+ }
+ return 0;
+}
+
+int
magic_setsig(sv,mg)
SV* sv;
MAGIC* mg;
{
register char *s;
I32 i;
- s = SvPV(sv,na);
- i = whichsig(mg->mg_ptr); /* ...no, a brick */
- if (!i && (dowarn || strEQ(mg->mg_ptr,"ALARM")))
- warn("No such signal: SIG%s", mg->mg_ptr);
- if (strEQ(s,"IGNORE"))
-#ifndef lint
- (void)signal(i,SIG_IGN);
-#else
- ;
-#endif
- else if (strEQ(s,"DEFAULT") || !*s)
- (void)signal(i,SIG_DFL);
+ SV** svp;
+
+ s = MgPV(mg);
+ if (*s == '_') {
+ if (strEQ(s,"__DIE__"))
+ svp = &diehook;
+ else if (strEQ(s,"__WARN__"))
+ svp = &warnhook;
+ else if (strEQ(s,"__PARSE__"))
+ svp = &parsehook;
+ else
+ croak("No such hook: %s", s);
+ i = 0;
+ if (*svp) {
+ SvREFCNT_dec(*svp);
+ *svp = 0;
+ }
+ }
else {
- (void)signal(i,sighandler);
- if (!strchr(s,'\'')) {
- sprintf(tokenbuf, "main'%s",s);
+ i = whichsig(s); /* ...no, a brick */
+ if (!i) {
+ if (dowarn || strEQ(s,"ALARM"))
+ warn("No such signal: SIG%s", s);
+ return 0;
+ }
+ if(psig_ptr[i])
+ SvREFCNT_dec(psig_ptr[i]);
+ psig_ptr[i] = SvREFCNT_inc(sv);
+ if(psig_name[i])
+ SvREFCNT_dec(psig_name[i]);
+ psig_name[i] = newSVpv(s,strlen(s));
+ SvTEMP_off(sv); /* Make sure it doesn't go away on us */
+ SvREADONLY_on(psig_name[i]);
+ }
+ if (SvTYPE(sv) == SVt_PVGV || SvROK(sv)) {
+ if (i)
+ (void)rsignal(i, sighandler);
+ else
+ *svp = SvREFCNT_inc(sv);
+ return 0;
+ }
+ s = SvPV_force(sv,na);
+ if (strEQ(s,"IGNORE")) {
+ if (i)
+ (void)rsignal(i, SIG_IGN);
+ else
+ *svp = 0;
+ }
+ else if (strEQ(s,"DEFAULT") || !*s) {
+ if (i)
+ (void)rsignal(i, SIG_DFL);
+ else
+ *svp = 0;
+ }
+ else {
+ if(hints & HINT_STRICT_REFS)
+ die(no_symref,s,"a subroutine");
+ if (!strchr(s,':') && !strchr(s,'\'')) {
+ sprintf(tokenbuf, "main::%s",s);
sv_setpv(sv,tokenbuf);
}
+ if (i)
+ (void)rsignal(i, sighandler);
+ else
+ *svp = SvREFCNT_inc(sv);
}
return 0;
}
return 0;
}
+#ifdef OVERLOAD
+
int
-magic_getpack(sv,mg)
+magic_setamagic(sv,mg)
SV* sv;
MAGIC* mg;
{
- SV* rv = mg->mg_obj;
- HV* stash = SvSTASH(SvRV(rv));
- GV* gv = gv_fetchmethod(stash, "fetch");
- dSP;
- BINOP myop;
+ /* HV_badAMAGIC_on(Sv_STASH(sv)); */
+ amagic_generation++;
+
+ return 0;
+}
+#endif /* OVERLOAD */
- if (!gv || !GvCV(gv)) {
- croak("No fetch method for magical variable in package \"%s\"",
- HvNAME(stash));
+int
+magic_setnkeys(sv,mg)
+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. */
}
- Zero(&myop, 1, BINOP);
- myop.op_last = (OP *) &myop;
- myop.op_next = Nullop;
- myop.op_flags = OPf_STACKED;
+ return 0;
+}
+
+static int
+magic_methpack(sv,mg,meth)
+SV* sv;
+MAGIC* mg;
+char *meth;
+{
+ dSP;
ENTER;
- SAVESPTR(op);
- op = (OP *) &myop;
+ 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;
- pp_pushmark();
- EXTEND(sp, 4);
- PUSHs(gv);
- PUSHs(rv);
- if (mg->mg_ptr)
- PUSHs(sv_mortalcopy(newSVpv(mg->mg_ptr, mg->mg_len)));
- else if (mg->mg_len >= 0)
- PUSHs(sv_mortalcopy(newSViv(mg->mg_len)));
- PUTBACK;
+ if (perl_call_method(meth, G_SCALAR))
+ sv_setsv(sv, *stack_sp--);
- if (op = pp_entersubr())
- run();
+ FREETMPS;
LEAVE;
- SPAGAIN;
-
- sv_setsv(sv, POPs);
- PUTBACK;
+ return 0;
+}
+int
+magic_getpack(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ magic_methpack(sv,mg,"FETCH");
+ if (mg->mg_ptr)
+ mg->mg_flags |= MGf_GSKIP;
return 0;
}
SV* sv;
MAGIC* mg;
{
- SV* rv = mg->mg_obj;
- HV* stash = SvSTASH(SvRV(rv));
- GV* gv = gv_fetchmethod(stash, "store");
dSP;
- BINOP myop;
- if (!gv || !GvCV(gv)) {
- croak("No store method for magical variable in package \"%s\"",
- HvNAME(stash));
+ 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);
}
- Zero(&myop, 1, BINOP);
- myop.op_last = (OP *) &myop;
- myop.op_next = Nullop;
- myop.op_flags = OPf_STACKED;
-
- ENTER;
- SAVESPTR(op);
- op = (OP *) &myop;
- PUTBACK;
- pp_pushmark();
-
- EXTEND(sp, 4);
- PUSHs(gv);
- PUSHs(rv);
- if (mg->mg_ptr)
- PUSHs(sv_mortalcopy(newSVpv(mg->mg_ptr, mg->mg_len)));
- else if (mg->mg_len >= 0)
- PUSHs(sv_mortalcopy(newSViv(mg->mg_len)));
+ else if (mg->mg_type == 'p')
+ PUSHs(sv_2mortal(newSViv(mg->mg_len)));
PUSHs(sv);
PUTBACK;
- if (op = pp_entersubr())
- run();
- LEAVE;
- SPAGAIN;
-
- POPs;
- PUTBACK;
+ perl_call_method("STORE", G_SCALAR|G_DISCARD);
return 0;
}
SV* sv;
MAGIC* mg;
{
- SV* rv = mg->mg_obj;
- HV* stash = SvSTASH(SvRV(rv));
- GV* gv = gv_fetchmethod(stash, "delete");
- dSP;
- BINOP myop;
-
- if (!gv || !GvCV(gv)) {
- croak("No delete method for magical variable in package \"%s\"",
- HvNAME(stash));
- }
- Zero(&myop, 1, BINOP);
- myop.op_last = (OP *) &myop;
- myop.op_next = Nullop;
- myop.op_flags = OPf_STACKED;
+ return magic_methpack(sv,mg,"DELETE");
+}
- ENTER;
- SAVESPTR(op);
- op = (OP *) &myop;
- PUTBACK;
- pp_pushmark();
+int magic_wipepack(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ dSP;
- EXTEND(sp, 4);
- PUSHs(gv);
- PUSHs(rv);
- if (mg->mg_ptr)
- PUSHs(sv_mortalcopy(newSVpv(mg->mg_ptr, mg->mg_len)));
- else
- PUSHs(sv_mortalcopy(newSViv(mg->mg_len)));
+ PUSHMARK(sp);
+ XPUSHs(mg->mg_obj);
PUTBACK;
- if (op = pp_entersubr())
- run();
- LEAVE;
- SPAGAIN;
-
- sv_setsv(sv, POPs);
- PUTBACK;
+ perl_call_method("CLEAR", G_SCALAR|G_DISCARD);
return 0;
}
MAGIC* mg;
SV* key;
{
- SV* rv = mg->mg_obj;
- HV* stash = SvSTASH(SvRV(rv));
- GV* gv = gv_fetchmethod(stash, SvOK(key) ? "nextkey" : "firstkey");
dSP;
- BINOP myop;
-
- if (!gv || !GvCV(gv)) {
- croak("No fetch method for magical variable in package \"%s\"",
- HvNAME(stash));
- }
- Zero(&myop, 1, BINOP);
- myop.op_last = (OP *) &myop;
- myop.op_next = Nullop;
- myop.op_flags = OPf_STACKED;
+ char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY";
ENTER;
- SAVESPTR(op);
- op = (OP *) &myop;
- PUTBACK;
- pp_pushmark();
-
- EXTEND(sp, 4);
- PUSHs(gv);
- PUSHs(rv);
+ SAVETMPS;
+ PUSHMARK(sp);
+ EXTEND(sp, 2);
+ PUSHs(mg->mg_obj);
if (SvOK(key))
PUSHs(key);
PUTBACK;
- if (op = pp_entersubr())
- run();
- LEAVE;
- SPAGAIN;
-
- sv_setsv(key, POPs);
- PUTBACK;
+ if (perl_call_method(meth, G_SCALAR))
+ sv_setsv(key, *stack_sp--);
+ FREETMPS;
+ LEAVE;
return 0;
}
int
+magic_existspack(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ return magic_methpack(sv,mg,"EXISTS");
+}
+
+int
magic_setdbline(sv,mg)
SV* sv;
MAGIC* mg;
gv = DBline;
i = SvTRUE(sv);
- svp = av_fetch(GvAV(gv),atoi(mg->mg_ptr), FALSE);
+ svp = av_fetch(GvAV(gv),
+ atoi(MgPV(mg)), FALSE);
if (svp && SvIOKp(*svp) && (o = (OP*)SvSTASH(*svp)))
o->op_private = i;
else
SV* sv;
MAGIC* mg;
{
- sv_setiv(sv, AvFILL((AV*)mg->mg_obj) + arybase);
+ sv_setiv(sv, AvFILL((AV*)mg->mg_obj) + curcop->cop_arybase);
return 0;
}
SV* sv;
MAGIC* mg;
{
- av_fill((AV*)mg->mg_obj, (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) - arybase);
+ av_fill((AV*)mg->mg_obj, SvIV(sv) - curcop->cop_arybase);
+ return 0;
+}
+
+int
+magic_getpos(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ SV* lsv = LvTARG(sv);
+
+ if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) {
+ mg = mg_find(lsv, 'g');
+ if (mg && mg->mg_len >= 0) {
+ sv_setiv(sv, mg->mg_len + curcop->cop_arybase);
+ return 0;
+ }
+ }
+ (void)SvOK_off(sv);
+ return 0;
+}
+
+int
+magic_setpos(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ SV* lsv = LvTARG(sv);
+ SSize_t pos;
+ STRLEN len;
+
+ mg = 0;
+
+ if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv))
+ mg = mg_find(lsv, 'g');
+ if (!mg) {
+ if (!SvOK(sv))
+ return 0;
+ sv_magic(lsv, (SV*)0, 'g', Nullch, 0);
+ mg = mg_find(lsv, 'g');
+ }
+ else if (!SvOK(sv)) {
+ mg->mg_len = -1;
+ return 0;
+ }
+ len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv);
+
+ pos = SvIV(sv) - curcop->cop_arybase;
+ if (pos < 0) {
+ pos += len;
+ if (pos < 0)
+ pos = 0;
+ }
+ else if (pos > len)
+ pos = len;
+ mg->mg_len = pos;
+ mg->mg_flags &= ~MGf_MINMATCH;
+
return 0;
}
SV* sv;
MAGIC* mg;
{
- gv_efullname(sv,((GV*)sv));/* a gv value, be nice */
+ if (SvFAKE(sv)) { /* FAKE globs can get coerced */
+ SvFAKE_off(sv);
+ gv_efullname3(sv,((GV*)sv), "*");
+ SvFAKE_on(sv);
+ }
+ else
+ gv_efullname3(sv,((GV*)sv), "*"); /* a gv value, be nice */
return 0;
}
s = SvPV(sv, na);
if (*s == '*' && s[1])
s++;
- gv = gv_fetchpv(s,TRUE);
+ gv = gv_fetchpv(s,TRUE, SVt_PVGV);
if (sv == (SV*)gv)
return 0;
if (GvGP(sv))
- gp_free(sv);
+ gp_free((GV*)sv);
GvGP(sv) = gp_ref(GvGP(gv));
if (!GvAV(gv))
gv_AVadd(gv);
if (!GvHV(gv))
gv_HVadd(gv);
- if (!GvIO(gv))
- GvIO(gv) = newIO();
+ if (!GvIOp(gv))
+ GvIOp(gv) = newIO();
return 0;
}
SV* sv;
MAGIC* mg;
{
- tainted = TRUE;
+ TAINT_IF((mg->mg_len & 1) ||
+ (mg->mg_len & 2) && mg->mg_obj == sv); /* kludge */
return 0;
}
SV* sv;
MAGIC* mg;
{
- if (!tainted)
- sv_unmagic(sv, 't');
+ if (localizing) {
+ if (localizing == 1)
+ mg->mg_len <<= 1;
+ else
+ mg->mg_len >>= 1;
+ }
+ else if (tainted)
+ mg->mg_len |= 1;
+ else
+ mg->mg_len &= ~1;
return 0;
}
}
int
+magic_getitervar(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ SV *targ = Nullsv;
+ if (LvTARGLEN(sv)) {
+ AV* av = (AV*)LvTARG(sv);
+ if (LvTARGOFF(sv) <= AvFILL(av))
+ targ = AvARRAY(av)[LvTARGOFF(sv)];
+ }
+ else
+ targ = LvTARG(sv);
+ sv_setsv(sv, targ ? targ : &sv_undef);
+ return 0;
+}
+
+int
+magic_setitervar(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ if (LvTARGLEN(sv))
+ vivify_itervar(sv);
+ if (LvTARG(sv))
+ sv_setsv(LvTARG(sv), sv);
+ return 0;
+}
+
+int
+magic_freeitervar(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ SvREFCNT_dec(LvTARG(sv));
+ return 0;
+}
+
+void
+vivify_itervar(sv)
+SV* sv;
+{
+ AV* av;
+
+ if (!LvTARGLEN(sv))
+ return;
+ av = (AV*)LvTARG(sv);
+ if (LvTARGOFF(sv) <= AvFILL(av)) {
+ SV** svp = AvARRAY(av) + LvTARGOFF(sv);
+ LvTARG(sv) = newSVsv(*svp);
+ SvREFCNT_dec(*svp);
+ *svp = SvREFCNT_inc(LvTARG(sv));
+ }
+ else
+ LvTARG(sv) = Nullsv;
+ SvREFCNT_dec(av);
+ LvTARGLEN(sv) = 0;
+}
+
+int
magic_setmglob(sv,mg)
SV* sv;
MAGIC* mg;
{
- mg->mg_ptr = 0;
- mg->mg_len = 0;
+ mg->mg_len = -1;
+ SvSCREAM_off(sv);
return 0;
}
}
int
+magic_setfm(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ sv_unmagic(sv, 'f');
+ SvCOMPILED_off(sv);
+ return 0;
+}
+
+int
magic_setuvar(sv,mg)
SV* sv;
MAGIC* mg;
}
int
+magic_setcollxfrm(sv,mg)
+SV* sv;
+MAGIC* mg;
+{
+ /*
+ * René Descartes said "I think not."
+ * and vanished with a faint plop.
+ */
+ sv_unmagic(sv, 'o');
+ return 0;
+}
+
+int
magic_set(sv,mg)
SV* sv;
MAGIC* mg;
I32 i;
STRLEN len;
switch (*mg->mg_ptr) {
+ case '\001': /* ^A */
+ sv_setsv(bodytarget, sv);
+ break;
case '\004': /* ^D */
debug = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) | 0x80000000;
DEBUG_x(dump_all());
break;
+ case '\005': /* ^E */
+#ifdef VMS
+ set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+#else
+ SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv),4); /* will anyone ever use this? */
+#endif
+ break;
case '\006': /* ^F */
maxsysfd = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
break;
+ case '\010': /* ^H */
+ hints = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ break;
case '\t': /* ^I */
if (inplace)
Safefree(inplace);
if (SvOK(sv))
- inplace = savestr(SvPV(sv,na));
+ inplace = savepv(SvPV(sv,na));
else
inplace = Nullch;
break;
+ case '\017': /* ^O */
+ if (osname)
+ Safefree(osname);
+ if (SvOK(sv))
+ osname = savepv(SvPV(sv,na));
+ else
+ osname = Nullch;
+ break;
case '\020': /* ^P */
i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
if (i != perldb) {
perldb = i;
break;
case '\024': /* ^T */
- basetime = (time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+#ifdef BIG_TIME
+ basetime = (Time_t)(SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv));
+#else
+ basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+#endif
break;
case '\027': /* ^W */
dowarn = (bool)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
break;
case '.':
- if (localizing)
- save_sptr((SV**)&last_in_gv);
+ if (localizing) {
+ if (localizing == 1)
+ save_sptr((SV**)&last_in_gv);
+ }
+ else if (SvOK(sv) && GvIO(last_in_gv))
+ IoLINES(GvIOp(last_in_gv)) = (long)SvIV(sv);
break;
case '^':
- Safefree(IoTOP_NAME(GvIO(defoutgv)));
- IoTOP_NAME(GvIO(defoutgv)) = s = savestr(SvPV(sv,na));
- IoTOP_GV(GvIO(defoutgv)) = gv_fetchpv(s,TRUE);
+ Safefree(IoTOP_NAME(GvIOp(defoutgv)));
+ IoTOP_NAME(GvIOp(defoutgv)) = s = savepv(SvPV(sv,na));
+ IoTOP_GV(GvIOp(defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO);
break;
case '~':
- Safefree(IoFMT_NAME(GvIO(defoutgv)));
- IoFMT_NAME(GvIO(defoutgv)) = s = savestr(SvPV(sv,na));
- IoFMT_GV(GvIO(defoutgv)) = gv_fetchpv(s,TRUE);
+ Safefree(IoFMT_NAME(GvIOp(defoutgv)));
+ IoFMT_NAME(GvIOp(defoutgv)) = s = savepv(SvPV(sv,na));
+ IoFMT_GV(GvIOp(defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO);
break;
case '=':
- IoPAGE_LEN(GvIO(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ IoPAGE_LEN(GvIOp(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
break;
case '-':
- IoLINES_LEFT(GvIO(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
- if (IoLINES_LEFT(GvIO(defoutgv)) < 0L)
- IoLINES_LEFT(GvIO(defoutgv)) = 0L;
+ IoLINES_LEFT(GvIOp(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ if (IoLINES_LEFT(GvIOp(defoutgv)) < 0L)
+ IoLINES_LEFT(GvIOp(defoutgv)) = 0L;
break;
case '%':
- IoPAGE(GvIO(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ IoPAGE(GvIOp(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
break;
case '|':
- if (!GvIO(defoutgv))
- GvIO(defoutgv) = newIO();
- IoFLAGS(GvIO(defoutgv)) &= ~IOf_FLUSH;
+ IoFLAGS(GvIOp(defoutgv)) &= ~IOf_FLUSH;
if ((SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) != 0) {
- IoFLAGS(GvIO(defoutgv)) |= IOf_FLUSH;
+ IoFLAGS(GvIOp(defoutgv)) |= IOf_FLUSH;
}
break;
case '*':
multiline = (i != 0);
break;
case '/':
- if (SvPOK(sv)) {
- nrs = rs = SvPV(sv,rslen);
- nrslen = rslen;
- if (rspara = !rslen) {
- nrs = rs = "\n\n";
- nrslen = rslen = 2;
- }
- nrschar = rschar = rs[rslen - 1];
- }
- else {
- nrschar = rschar = 0777; /* fake a non-existent char */
- nrslen = rslen = 1;
- }
+ SvREFCNT_dec(nrs);
+ nrs = newSVsv(sv);
+ SvREFCNT_dec(rs);
+ rs = SvREFCNT_inc(nrs);
break;
case '\\':
if (ors)
Safefree(ors);
- ors = savestr(SvPV(sv,orslen));
+ ors = savepv(SvPV(sv,orslen));
break;
case ',':
if (ofs)
Safefree(ofs);
- ofs = savestr(SvPV(sv, ofslen));
+ ofs = savepv(SvPV(sv, ofslen));
break;
case '#':
if (ofmt)
Safefree(ofmt);
- ofmt = savestr(SvPV(sv,na));
+ ofmt = savepv(SvPV(sv,na));
break;
case '[':
- arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ compiling.cop_arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
break;
case '?':
- statusvalue = U_S(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ statusvalue = FIXSTATUS(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
break;
case '!':
- errno = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); /* will anyone ever use this? */
+ SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv),SvIV(sv) == EVMSERR ? 4 : vaxc$errno); /* will anyone ever use this? */
break;
case '<':
uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
break; /* don't do magic till later */
}
#ifdef HAS_SETRUID
- (void)setruid((UIDTYPE)uid);
+ (void)setruid((Uid_t)uid);
#else
#ifdef HAS_SETREUID
- (void)setreuid((UIDTYPE)uid, (UIDTYPE)-1);
+ (void)setreuid((Uid_t)uid, (Uid_t)-1);
+#else
+#ifdef HAS_SETRESUID
+ (void)setresuid((Uid_t)uid, (Uid_t)-1, (Uid_t)-1);
#else
if (uid == euid) /* special case $< = $> */
(void)setuid(uid);
- else
+ else {
+ uid = (I32)getuid();
croak("setruid() not implemented");
+ }
#endif
#endif
- uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
- tainting |= (euid != uid || egid != gid);
+#endif
+ uid = (I32)getuid();
+ tainting |= (uid && (euid != uid || egid != gid));
break;
case '>':
euid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
break; /* don't do magic till later */
}
#ifdef HAS_SETEUID
- (void)seteuid((UIDTYPE)euid);
+ (void)seteuid((Uid_t)euid);
#else
#ifdef HAS_SETREUID
- (void)setreuid((UIDTYPE)-1, (UIDTYPE)euid);
+ (void)setreuid((Uid_t)-1, (Uid_t)euid);
+#else
+#ifdef HAS_SETRESUID
+ (void)setresuid((Uid_t)-1, (Uid_t)euid, (Uid_t)-1);
#else
if (euid == uid) /* special case $> = $< */
setuid(euid);
- else
+ else {
+ euid = (I32)geteuid();
croak("seteuid() not implemented");
+ }
+#endif
#endif
#endif
euid = (I32)geteuid();
- tainting |= (euid != uid || egid != gid);
+ tainting |= (uid && (euid != uid || egid != gid));
break;
case '(':
gid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
break; /* don't do magic till later */
}
#ifdef HAS_SETRGID
- (void)setrgid((GIDTYPE)gid);
+ (void)setrgid((Gid_t)gid);
#else
#ifdef HAS_SETREGID
- (void)setregid((GIDTYPE)gid, (GIDTYPE)-1);
+ (void)setregid((Gid_t)gid, (Gid_t)-1);
+#else
+#ifdef HAS_SETRESGID
+ (void)setresgid((Gid_t)gid, (Gid_t)-1, (Gid_t) 1);
#else
if (gid == egid) /* special case $( = $) */
(void)setgid(gid);
- else
+ else {
+ gid = (I32)getgid();
croak("setrgid() not implemented");
+ }
+#endif
#endif
#endif
gid = (I32)getgid();
- tainting |= (euid != uid || egid != gid);
+ tainting |= (uid && (euid != uid || egid != gid));
break;
case ')':
egid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
break; /* don't do magic till later */
}
#ifdef HAS_SETEGID
- (void)setegid((GIDTYPE)egid);
+ (void)setegid((Gid_t)egid);
#else
#ifdef HAS_SETREGID
- (void)setregid((GIDTYPE)-1, (GIDTYPE)egid);
+ (void)setregid((Gid_t)-1, (Gid_t)egid);
+#else
+#ifdef HAS_SETRESGID
+ (void)setresgid((Gid_t)-1, (Gid_t)egid, (Gid_t)-1);
#else
if (egid == gid) /* special case $) = $( */
(void)setgid(egid);
- else
+ else {
+ egid = (I32)getegid();
croak("setegid() not implemented");
+ }
+#endif
#endif
#endif
egid = (I32)getegid();
- tainting |= (euid != uid || egid != gid);
+ tainting |= (uid && (euid != uid || egid != gid));
break;
case ':':
- chopset = SvPV(sv,na);
+ chopset = SvPV_force(sv,na);
break;
case '0':
if (!origalen) {
if (origargv[i] == s + 1)
s += strlen(++s); /* this one is ok too */
}
- if (origenviron[0] == s + 1) { /* can grab env area too? */
+ /* can grab env area too? */
+ if (origenviron && origenviron[0] == s + 1) {
my_setenv("NoNeSuCh", Nullch);
/* force copy of environment */
for (i = 0; origenviron[i]; i++)
}
origalen = s - origargv[0];
}
- s = SvPV(sv,len);
+ s = SvPV_force(sv,len);
i = len;
if (i >= origalen) {
i = origalen;
for (sigv = sig_name+1; *sigv; sigv++)
if (strEQ(sig,*sigv))
- return sigv - sig_name;
+ return sig_num[sigv - sig_name];
#ifdef SIGCLD
if (strEQ(sig,"CHLD"))
return SIGCLD;
return 0;
}
-static handlertype
+Signal_t
sighandler(sig)
-I32 sig;
+int sig;
{
dSP;
GV *gv;
+ HV *st;
SV *sv;
CV *cv;
- CONTEXT *cx;
AV *oldstack;
- I32 hasargs = 1;
- I32 items = 1;
- I32 gimme = G_SCALAR;
-
-#ifdef OS2 /* or anybody else who requires SIG_ACK */
- signal(sig, SIG_ACK);
-#endif
+
+ if(!psig_ptr[sig])
+ die("Signal SIG%s received, but no signal handler set.\n",
+ sig_name[sig]);
- gv = gv_fetchpv(
- SvPVx(*hv_fetch(GvHVn(siggv),sig_name[sig],strlen(sig_name[sig]),
- TRUE), na), TRUE);
- cv = GvCV(gv);
- if (!cv && *sig_name[sig] == 'C' && instr(sig_name[sig],"LD")) {
- if (sig_name[sig][1] == 'H')
- gv = gv_fetchpv(SvPVx(*hv_fetch(GvHVn(siggv),"CLD",3,TRUE), na),
- TRUE);
- else
- gv = gv_fetchpv(SvPVx(*hv_fetch(GvHVn(siggv),"CHLD",4,TRUE), na),
- TRUE);
- cv = GvCV(gv); /* gag */
- }
- if (!cv) {
+ cv = sv_2cv(psig_ptr[sig],&st,&gv,TRUE);
+ if (!cv || !CvROOT(cv)) {
if (dowarn)
warn("SIG%s handler \"%s\" not defined.\n",
sig_name[sig], GvENAME(gv) );
return;
}
- oldstack = stack;
- SWITCHSTACK(stack, signalstack);
-
- sv = sv_newmortal();
- sv_setpv(sv,sig_name[sig]);
- PUSHs(sv);
-
- ENTER;
- SAVETMPS;
+ oldstack = curstack;
+ if (curstack != signalstack)
+ AvFILL(signalstack) = 0;
+ SWITCHSTACK(curstack, signalstack);
- push_return(op);
- push_return(0);
- PUSHBLOCK(cx, CXt_SUB, sp);
- PUSHSUB(cx);
- cx->blk_sub.savearray = GvAV(defgv);
- cx->blk_sub.argarray = av_fake(items, sp);
- SAVEFREESV(cx->blk_sub.argarray);
- GvAV(defgv) = cx->blk_sub.argarray;
- CvDEPTH(cv)++;
- if (CvDEPTH(cv) >= 2) {
- if (CvDEPTH(cv) == 100 && dowarn)
- warn("Deep recursion on subroutine \"%s\"",GvENAME(gv));
+ if(psig_name[sig])
+ sv = SvREFCNT_inc(psig_name[sig]);
+ else {
+ sv = sv_newmortal();
+ sv_setpv(sv,sig_name[sig]);
}
- op = CvSTART(cv);
+ PUSHMARK(sp);
+ PUSHs(sv);
PUTBACK;
- run(); /* Does the LEAVE for us. */
+
+ perl_call_sv((SV*)cv, G_DISCARD);
SWITCHSTACK(signalstack, oldstack);
- op = pop_return();
return;
}
https://perl5.git.perl.org / perl5.git / blobdiff