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- /* pp_sys.c
- *
- * 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.
- *
- */
-
- /*
- * But only a short way ahead its floor and the walls on either side were
- * cloven by a great fissure, out of which the red glare came, now leaping
- * up, now dying down into darkness; and all the while far below there was
- * a rumour and a trouble as of great engines throbbing and labouring.
- */
-
- #include "EXTERN.h"
- #include "perl.h"
-
- /* XXX Omit this -- it causes too much grief on mixed systems.
- Next time, I should force broken systems to unset i_unistd in
- hint files.
- */
- #if 0
- # ifdef I_UNISTD
- # include <unistd.h>
- # endif
- #endif
-
- /* Put this after #includes because fork and vfork prototypes may
- conflict.
- */
- #ifndef HAS_VFORK
- # define vfork fork
- #endif
-
- #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
- # include <sys/socket.h>
- # include <netdb.h>
- # ifndef ENOTSOCK
- # ifdef I_NET_ERRNO
- # include <net/errno.h>
- # endif
- # endif
- #endif
-
- #ifdef HAS_SELECT
- #ifdef I_SYS_SELECT
- #ifndef I_SYS_TIME
- #include <sys/select.h>
- #endif
- #endif
- #endif
-
- #ifdef HOST_NOT_FOUND
- extern int h_errno;
- #endif
-
- #ifdef HAS_PASSWD
- # ifdef I_PWD
- # include <pwd.h>
- # else
- struct passwd *getpwnam _((char *));
- struct passwd *getpwuid _((Uid_t));
- # endif
- struct passwd *getpwent _((void));
- #endif
-
- #ifdef HAS_GROUP
- # ifdef I_GRP
- # include <grp.h>
- # else
- struct group *getgrnam _((char *));
- struct group *getgrgid _((Gid_t));
- # endif
- struct group *getgrent _((void));
- #endif
-
- #ifdef I_UTIME
- #include <utime.h>
- #endif
- #ifdef I_FCNTL
- #include <fcntl.h>
- #endif
- #ifdef I_SYS_FILE
- #include <sys/file.h>
- #endif
-
- #ifdef HAS_GETPGRP2
- # define getpgrp getpgrp2
- #endif
-
- #ifdef HAS_SETPGRP2
- # define setpgrp setpgrp2
- #endif
-
- #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
- static int dooneliner _((char *cmd, char *filename));
- #endif
- /* Pushy I/O. */
-
- PP(pp_backtick)
- {
- dSP; dTARGET;
- FILE *fp;
- char *tmps = POPp;
- TAINT_PROPER("``");
- fp = my_popen(tmps, "r");
- if (fp) {
- sv_setpv(TARG, ""); /* note that this preserves previous buffer */
- if (GIMME == G_SCALAR) {
- while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
- /*SUPPRESS 530*/
- ;
- XPUSHs(TARG);
- }
- else {
- SV *sv;
-
- for (;;) {
- sv = NEWSV(56, 80);
- if (sv_gets(sv, fp, 0) == Nullch) {
- SvREFCNT_dec(sv);
- break;
- }
- XPUSHs(sv_2mortal(sv));
- if (SvLEN(sv) - SvCUR(sv) > 20) {
- SvLEN_set(sv, SvCUR(sv)+1);
- Renew(SvPVX(sv), SvLEN(sv), char);
- }
- }
- }
- statusvalue = my_pclose(fp);
- }
- else {
- statusvalue = -1;
- if (GIMME == G_SCALAR)
- RETPUSHUNDEF;
- }
-
- RETURN;
- }
-
- PP(pp_glob)
- {
- OP *result;
- ENTER;
- SAVEINT(rschar);
- SAVEINT(rslen);
-
- SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
- last_in_gv = (GV*)*stack_sp--;
-
- rslen = 1;
- #ifdef DOSISH
- rschar = 0;
- #else
- #ifdef CSH
- rschar = 0;
- #else
- rschar = '\n';
- #endif /* !CSH */
- #endif /* !MSDOS */
- result = do_readline();
- LEAVE;
- return result;
- }
-
- PP(pp_indread)
- {
- last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
- return do_readline();
- }
-
- PP(pp_rcatline)
- {
- last_in_gv = cGVOP->op_gv;
- return do_readline();
- }
-
- PP(pp_warn)
- {
- dSP; dMARK;
- char *tmps;
- if (SP - MARK != 1) {
- dTARGET;
- do_join(TARG, &sv_no, MARK, SP);
- tmps = SvPV(TARG, na);
- SP = MARK + 1;
- }
- else {
- tmps = SvPV(TOPs, na);
- }
- if (!tmps || !*tmps) {
- SV *error = GvSV(gv_fetchpv("@", TRUE, SVt_PV));
- (void)SvUPGRADE(error, SVt_PV);
- if (SvPOK(error) && SvCUR(error))
- sv_catpv(error, "\t...caught");
- tmps = SvPV(error, na);
- }
- if (!tmps || !*tmps)
- tmps = "Warning: something's wrong";
- warn("%s", tmps);
- RETSETYES;
- }
-
- PP(pp_die)
- {
- dSP; dMARK;
- char *tmps;
- if (SP - MARK != 1) {
- dTARGET;
- do_join(TARG, &sv_no, MARK, SP);
- tmps = SvPV(TARG, na);
- SP = MARK + 1;
- }
- else {
- tmps = SvPV(TOPs, na);
- }
- if (!tmps || !*tmps) {
- SV *error = GvSV(gv_fetchpv("@", TRUE, SVt_PV));
- (void)SvUPGRADE(error, SVt_PV);
- if (SvPOK(error) && SvCUR(error))
- sv_catpv(error, "\t...propagated");
- tmps = SvPV(error, na);
- }
- if (!tmps || !*tmps)
- tmps = "Died";
- DIE("%s", tmps);
- }
-
- /* I/O. */
-
- PP(pp_open)
- {
- dSP; dTARGET;
- GV *gv;
- SV *sv;
- char *tmps;
- STRLEN len;
-
- if (MAXARG > 1)
- sv = POPs;
- else
- sv = GvSV(TOPs);
- gv = (GV*)POPs;
- tmps = SvPV(sv, len);
- if (do_open(gv, tmps, len,Nullfp)) {
- IoLINES(GvIOp(gv)) = 0;
- PUSHi( (I32)forkprocess );
- }
- else if (forkprocess == 0) /* we are a new child */
- PUSHi(0);
- else
- RETPUSHUNDEF;
- RETURN;
- }
-
- PP(pp_close)
- {
- dSP;
- GV *gv;
-
- if (MAXARG == 0)
- gv = defoutgv;
- else
- gv = (GV*)POPs;
- EXTEND(SP, 1);
- PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
- RETURN;
- }
-
- PP(pp_pipe_op)
- {
- dSP;
- #ifdef HAS_PIPE
- GV *rgv;
- GV *wgv;
- register IO *rstio;
- register IO *wstio;
- int fd[2];
-
- wgv = (GV*)POPs;
- rgv = (GV*)POPs;
-
- if (!rgv || !wgv)
- goto badexit;
-
- rstio = GvIOn(rgv);
- wstio = GvIOn(wgv);
-
- if (IoIFP(rstio))
- do_close(rgv, FALSE);
- if (IoIFP(wstio))
- do_close(wgv, FALSE);
-
- if (pipe(fd) < 0)
- goto badexit;
-
- IoIFP(rstio) = fdopen(fd[0], "r");
- IoOFP(wstio) = fdopen(fd[1], "w");
- IoIFP(wstio) = IoOFP(wstio);
- IoTYPE(rstio) = '<';
- IoTYPE(wstio) = '>';
-
- if (!IoIFP(rstio) || !IoOFP(wstio)) {
- if (IoIFP(rstio)) fclose(IoIFP(rstio));
- else close(fd[0]);
- if (IoOFP(wstio)) fclose(IoOFP(wstio));
- else close(fd[1]);
- goto badexit;
- }
-
- RETPUSHYES;
-
- badexit:
- RETPUSHUNDEF;
- #else
- DIE(no_func, "pipe");
- #endif
- }
-
- PP(pp_fileno)
- {
- dSP; dTARGET;
- GV *gv;
- IO *io;
- FILE *fp;
- if (MAXARG < 1)
- RETPUSHUNDEF;
- gv = (GV*)POPs;
- if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
- RETPUSHUNDEF;
- PUSHi(fileno(fp));
- RETURN;
- }
-
- PP(pp_umask)
- {
- dSP; dTARGET;
- int anum;
-
- #ifdef HAS_UMASK
- if (MAXARG < 1) {
- anum = umask(0);
- (void)umask(anum);
- }
- else
- anum = umask(POPi);
- TAINT_PROPER("umask");
- XPUSHi(anum);
- #else
- DIE(no_func, "Unsupported function umask");
- #endif
- RETURN;
- }
-
- PP(pp_binmode)
- {
- dSP;
- GV *gv;
- IO *io;
- FILE *fp;
-
- if (MAXARG < 1)
- RETPUSHUNDEF;
-
- gv = (GV*)POPs;
-
- EXTEND(SP, 1);
- if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
- RETSETUNDEF;
-
- #ifdef DOSISH
- #ifdef atarist
- if (!fflush(fp) && (fp->_flag |= _IOBIN))
- RETPUSHYES;
- else
- RETPUSHUNDEF;
- #else
- if (setmode(fileno(fp), OP_BINARY) != -1)
- RETPUSHYES;
- else
- RETPUSHUNDEF;
- #endif
- #else
- RETPUSHYES;
- #endif
- }
-
- PP(pp_tie)
- {
- dSP;
- SV *varsv;
- HV* stash;
- GV *gv;
- BINOP myop;
- SV *sv;
- SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
- I32 markoff = mark - stack_base - 1;
- char *methname;
-
- varsv = mark[0];
- if (SvTYPE(varsv) == SVt_PVHV)
- methname = "TIEHASH";
- else if (SvTYPE(varsv) == SVt_PVAV)
- methname = "TIEARRAY";
- else if (SvTYPE(varsv) == SVt_PVGV)
- methname = "TIEHANDLE";
- else
- methname = "TIESCALAR";
-
- stash = gv_stashsv(mark[1], FALSE);
- if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
- DIE("Can't locate object method \"%s\" via package \"%s\"",
- methname, SvPV(mark[1],na));
-
- Zero(&myop, 1, BINOP);
- myop.op_last = (OP *) &myop;
- myop.op_next = Nullop;
- myop.op_flags = OPf_KNOW|OPf_STACKED;
-
- ENTER;
- SAVESPTR(op);
- op = (OP *) &myop;
-
- XPUSHs(gv);
- PUTBACK;
-
- if (op = pp_entersub())
- run();
- SPAGAIN;
-
- sv = TOPs;
- if (sv_isobject(sv)) {
- if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
- sv_unmagic(varsv, 'P');
- sv_magic(varsv, sv, 'P', Nullch, 0);
- }
- else {
- sv_unmagic(varsv, 'q');
- sv_magic(varsv, sv, 'q', Nullch, 0);
- }
- }
- LEAVE;
- SP = stack_base + markoff;
- PUSHs(sv);
- RETURN;
- }
-
- PP(pp_untie)
- {
- dSP;
- if (SvTYPE(TOPs) == SVt_PVHV || SvTYPE(TOPs) == SVt_PVAV)
- sv_unmagic(TOPs, 'P');
- else
- sv_unmagic(TOPs, 'q');
- RETSETYES;
- }
-
- PP(pp_dbmopen)
- {
- dSP;
- HV *hv;
- dPOPPOPssrl;
- HV* stash;
- GV *gv;
- BINOP myop;
- SV *sv;
-
- hv = (HV*)POPs;
-
- sv = sv_mortalcopy(&sv_no);
- sv_setpv(sv, "AnyDBM_File");
- stash = gv_stashsv(sv, FALSE);
- if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
- PUTBACK;
- perl_requirepv("AnyDBM_File.pm");
- SPAGAIN;
- if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
- DIE("No dbm on this machine");
- }
-
- Zero(&myop, 1, BINOP);
- myop.op_last = (OP *) &myop;
- myop.op_next = Nullop;
- myop.op_flags = OPf_KNOW|OPf_STACKED;
-
- ENTER;
- SAVESPTR(op);
- op = (OP *) &myop;
- PUTBACK;
- pp_pushmark();
-
- EXTEND(sp, 5);
- PUSHs(sv);
- PUSHs(left);
- if (SvIV(right))
- PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
- else
- PUSHs(sv_2mortal(newSViv(O_RDWR)));
- PUSHs(right);
- PUSHs(gv);
- PUTBACK;
-
- if (op = pp_entersub())
- run();
- SPAGAIN;
-
- if (!sv_isobject(TOPs)) {
- sp--;
- op = (OP *) &myop;
- PUTBACK;
- pp_pushmark();
-
- PUSHs(sv);
- PUSHs(left);
- PUSHs(sv_2mortal(newSViv(O_RDONLY)));
- PUSHs(right);
- PUSHs(gv);
- PUTBACK;
-
- if (op = pp_entersub())
- run();
- SPAGAIN;
- }
-
- if (sv_isobject(TOPs))
- sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
- LEAVE;
- RETURN;
- }
-
- PP(pp_dbmclose)
- {
- return pp_untie(ARGS);
- }
-
- PP(pp_sselect)
- {
- dSP; dTARGET;
- #ifdef HAS_SELECT
- register I32 i;
- register I32 j;
- register char *s;
- register SV *sv;
- double value;
- I32 maxlen = 0;
- I32 nfound;
- struct timeval timebuf;
- struct timeval *tbuf = &timebuf;
- I32 growsize;
- char *fd_sets[4];
- #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
- I32 masksize;
- I32 offset;
- I32 k;
-
- # if BYTEORDER & 0xf0000
- # define ORDERBYTE (0x88888888 - BYTEORDER)
- # else
- # define ORDERBYTE (0x4444 - BYTEORDER)
- # endif
-
- #endif
-
- SP -= 4;
- for (i = 1; i <= 3; i++) {
- if (!SvPOK(SP[i]))
- continue;
- j = SvCUR(SP[i]);
- if (maxlen < j)
- maxlen = j;
- }
-
- #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
- growsize = maxlen; /* little endians can use vecs directly */
- #else
- #ifdef NFDBITS
-
- #ifndef NBBY
- #define NBBY 8
- #endif
-
- masksize = NFDBITS / NBBY;
- #else
- masksize = sizeof(long); /* documented int, everyone seems to use long */
- #endif
- growsize = maxlen + (masksize - (maxlen % masksize));
- Zero(&fd_sets[0], 4, char*);
- #endif
-
- sv = SP[4];
- if (SvOK(sv)) {
- value = SvNV(sv);
- if (value < 0.0)
- value = 0.0;
- timebuf.tv_sec = (long)value;
- value -= (double)timebuf.tv_sec;
- timebuf.tv_usec = (long)(value * 1000000.0);
- }
- else
- tbuf = Null(struct timeval*);
-
- for (i = 1; i <= 3; i++) {
- sv = SP[i];
- if (!SvOK(sv)) {
- fd_sets[i] = 0;
- continue;
- }
- else if (!SvPOK(sv))
- SvPV_force(sv,na); /* force string conversion */
- j = SvLEN(sv);
- if (j < growsize) {
- Sv_Grow(sv, growsize);
- s = SvPVX(sv) + j;
- while (++j <= growsize) {
- *s++ = '\0';
- }
- }
- #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
- s = SvPVX(sv);
- New(403, 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];
- }
- #else
- fd_sets[i] = SvPVX(sv);
- #endif
- }
-
- nfound = select(
- maxlen * 8,
- (Select_fd_set_t) fd_sets[1],
- (Select_fd_set_t) fd_sets[2],
- (Select_fd_set_t) fd_sets[3],
- tbuf);
- for (i = 1; i <= 3; i++) {
- if (fd_sets[i]) {
- sv = SP[i];
- #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
- s = SvPVX(sv);
- for (offset = 0; offset < growsize; offset += masksize) {
- for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
- s[(k % masksize) + offset] = fd_sets[i][j+offset];
- }
- Safefree(fd_sets[i]);
- #endif
- SvSETMAGIC(sv);
- }
- }
-
- PUSHi(nfound);
- if (GIMME == G_ARRAY && tbuf) {
- value = (double)(timebuf.tv_sec) +
- (double)(timebuf.tv_usec) / 1000000.0;
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setnv(sv, value);
- }
- RETURN;
- #else
- DIE("select not implemented");
- #endif
- }
-
- PP(pp_select)
- {
- dSP; dTARGET;
- GV *oldgv = defoutgv;
- if (op->op_private > 0) {
- defoutgv = (GV*)POPs;
- if (!GvIO(defoutgv))
- gv_IOadd(defoutgv);
- }
- gv_efullname(TARG, oldgv);
- XPUSHTARG;
- RETURN;
- }
-
- PP(pp_getc)
- {
- dSP; dTARGET;
- GV *gv;
-
- if (MAXARG <= 0)
- gv = stdingv;
- else
- gv = (GV*)POPs;
- if (!gv)
- gv = argvgv;
- if (!gv || do_eof(gv)) /* make sure we have fp with something */
- RETPUSHUNDEF;
- TAINT_IF(1);
- sv_setpv(TARG, " ");
- *SvPVX(TARG) = getc(IoIFP(GvIOp(gv))); /* should never be EOF */
- PUSHTARG;
- RETURN;
- }
-
- PP(pp_read)
- {
- return pp_sysread(ARGS);
- }
-
- static OP *
- doform(cv,gv,retop)
- CV *cv;
- GV *gv;
- OP *retop;
- {
- register CONTEXT *cx;
- I32 gimme = GIMME;
- AV* padlist = CvPADLIST(cv);
- SV** svp = AvARRAY(padlist);
-
- ENTER;
- SAVETMPS;
-
- push_return(retop);
- PUSHBLOCK(cx, CXt_SUB, stack_sp);
- PUSHFORMAT(cx);
- SAVESPTR(curpad);
- curpad = AvARRAY((AV*)svp[1]);
-
- defoutgv = gv; /* locally select filehandle so $% et al work */
- return CvSTART(cv);
- }
-
- PP(pp_enterwrite)
- {
- dSP;
- register GV *gv;
- register IO *io;
- GV *fgv;
- CV *cv;
-
- if (MAXARG == 0)
- gv = defoutgv;
- else {
- gv = (GV*)POPs;
- if (!gv)
- gv = defoutgv;
- }
- EXTEND(SP, 1);
- io = GvIO(gv);
- if (!io) {
- RETPUSHNO;
- }
- if (IoFMT_GV(io))
- fgv = IoFMT_GV(io);
- else
- fgv = gv;
-
- cv = GvFORM(fgv);
-
- if (!cv) {
- if (fgv) {
- SV *tmpsv = sv_newmortal();
- gv_efullname(tmpsv, gv);
- DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
- }
- DIE("Not a format reference");
- }
- IoFLAGS(io) &= ~IOf_DIDTOP;
-
- return doform(cv,gv,op->op_next);
- }
-
- PP(pp_leavewrite)
- {
- dSP;
- GV *gv = cxstack[cxstack_ix].blk_sub.gv;
- register IO *io = GvIOp(gv);
- FILE *ofp = IoOFP(io);
- FILE *fp;
- SV **newsp;
- I32 gimme;
- register CONTEXT *cx;
-
- DEBUG_f(fprintf(stderr,"left=%ld, todo=%ld\n",
- (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
- if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
- formtarget != toptarget)
- {
- if (!IoTOP_GV(io)) {
- GV *topgv;
- char tmpbuf[256];
-
- if (!IoTOP_NAME(io)) {
- if (!IoFMT_NAME(io))
- IoFMT_NAME(io) = savepv(GvNAME(gv));
- sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
- topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
- if ((topgv && GvFORM(topgv)) ||
- !gv_fetchpv("top",FALSE,SVt_PVFM))
- IoTOP_NAME(io) = savepv(tmpbuf);
- else
- IoTOP_NAME(io) = savepv("top");
- }
- topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
- if (!topgv || !GvFORM(topgv)) {
- IoLINES_LEFT(io) = 100000000;
- goto forget_top;
- }
- IoTOP_GV(io) = topgv;
- }
- if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
- I32 lines = IoLINES_LEFT(io);
- char *s = SvPVX(formtarget);
- while (lines-- > 0) {
- s = strchr(s, '\n');
- if (!s)
- break;
- s++;
- }
- if (s) {
- fwrite1(SvPVX(formtarget), s - SvPVX(formtarget), 1, ofp);
- sv_chop(formtarget, s);
- FmLINES(formtarget) -= IoLINES_LEFT(io);
- }
- }
- if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
- fwrite1(SvPVX(formfeed), SvCUR(formfeed), 1, ofp);
- IoLINES_LEFT(io) = IoPAGE_LEN(io);
- IoPAGE(io)++;
- formtarget = toptarget;
- IoFLAGS(io) |= IOf_DIDTOP;
- return doform(GvFORM(IoTOP_GV(io)),gv,op);
- }
-
- forget_top:
- POPBLOCK(cx,curpm);
- POPFORMAT(cx);
- LEAVE;
-
- fp = IoOFP(io);
- if (!fp) {
- if (dowarn) {
- if (IoIFP(io))
- warn("Filehandle only opened for input");
- else
- warn("Write on closed filehandle");
- }
- PUSHs(&sv_no);
- }
- else {
- if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
- if (dowarn)
- warn("page overflow");
- }
- if (!fwrite1(SvPVX(formtarget), 1, SvCUR(formtarget), ofp) ||
- ferror(fp))
- PUSHs(&sv_no);
- else {
- FmLINES(formtarget) = 0;
- SvCUR_set(formtarget, 0);
- *SvEND(formtarget) = '\0';
- if (IoFLAGS(io) & IOf_FLUSH)
- (void)fflush(fp);
- PUSHs(&sv_yes);
- }
- }
- formtarget = bodytarget;
- PUTBACK;
- return pop_return();
- }
-
- PP(pp_prtf)
- {
- dSP; dMARK; dORIGMARK;
- GV *gv;
- IO *io;
- FILE *fp;
- SV *sv = NEWSV(0,0);
-
- if (op->op_flags & OPf_STACKED)
- gv = (GV*)*++MARK;
- else
- gv = defoutgv;
- if (!(io = GvIO(gv))) {
- if (dowarn) {
- gv_fullname(sv,gv);
- warn("Filehandle %s never opened", SvPV(sv,na));
- }
- SETERRNO(EBADF,RMS$_IFI);
- goto just_say_no;
- }
- else if (!(fp = IoOFP(io))) {
- if (dowarn) {
- gv_fullname(sv,gv);
- if (IoIFP(io))
- warn("Filehandle %s opened only for input", SvPV(sv,na));
- else
- warn("printf on closed filehandle %s", SvPV(sv,na));
- }
- SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
- goto just_say_no;
- }
- else {
- do_sprintf(sv, SP - MARK, MARK + 1);
- if (!do_print(sv, fp))
- goto just_say_no;
-
- if (IoFLAGS(io) & IOf_FLUSH)
- if (fflush(fp) == EOF)
- goto just_say_no;
- }
- SvREFCNT_dec(sv);
- SP = ORIGMARK;
- PUSHs(&sv_yes);
- RETURN;
-
- just_say_no:
- SvREFCNT_dec(sv);
- SP = ORIGMARK;
- PUSHs(&sv_undef);
- RETURN;
- }
-
- PP(pp_sysread)
- {
- dSP; dMARK; dORIGMARK; dTARGET;
- int offset;
- GV *gv;
- IO *io;
- char *buffer;
- int length;
- int bufsize;
- SV *bufsv;
- STRLEN blen;
-
- gv = (GV*)*++MARK;
- if (!gv)
- goto say_undef;
- bufsv = *++MARK;
- buffer = SvPV_force(bufsv, blen);
- length = SvIVx(*++MARK);
- if (length < 0)
- DIE("Negative length");
- SETERRNO(0,0);
- if (MARK < SP)
- offset = SvIVx(*++MARK);
- else
- offset = 0;
- io = GvIO(gv);
- if (!io || !IoIFP(io))
- goto say_undef;
- #ifdef HAS_SOCKET
- if (op->op_type == OP_RECV) {
- bufsize = sizeof buf;
- buffer = SvGROW(bufsv, length+1);
- length = recvfrom(fileno(IoIFP(io)), buffer, length, offset,
- (struct sockaddr *)buf, &bufsize);
- if (length < 0)
- RETPUSHUNDEF;
- SvCUR_set(bufsv, length);
- *SvEND(bufsv) = '\0';
- (void)SvPOK_only(bufsv);
- SvSETMAGIC(bufsv);
- if (tainting)
- sv_magic(bufsv, Nullsv, 't', Nullch, 0);
- SP = ORIGMARK;
- sv_setpvn(TARG, buf, bufsize);
- PUSHs(TARG);
- RETURN;
- }
- #else
- if (op->op_type == OP_RECV)
- DIE(no_sock_func, "recv");
- #endif
- buffer = SvGROW(bufsv, length+offset+1);
- if (op->op_type == OP_SYSREAD) {
- length = read(fileno(IoIFP(io)), buffer+offset, length);
- }
- else
- #ifdef HAS_SOCKET__bad_code_maybe
- if (IoTYPE(io) == 's') {
- bufsize = sizeof buf;
- length = recvfrom(fileno(IoIFP(io)), buffer+offset, length, 0,
- (struct sockaddr *)buf, &bufsize);
- }
- else
- #endif
- length = fread(buffer+offset, 1, length, IoIFP(io));
- if (length < 0)
- goto say_undef;
- SvCUR_set(bufsv, length+offset);
- *SvEND(bufsv) = '\0';
- (void)SvPOK_only(bufsv);
- SvSETMAGIC(bufsv);
- if (tainting)
- sv_magic(bufsv, Nullsv, 't', Nullch, 0);
- SP = ORIGMARK;
- PUSHi(length);
- RETURN;
-
- say_undef:
- SP = ORIGMARK;
- RETPUSHUNDEF;
- }
-
- PP(pp_syswrite)
- {
- return pp_send(ARGS);
- }
-
- PP(pp_send)
- {
- dSP; dMARK; dORIGMARK; dTARGET;
- GV *gv;
- IO *io;
- int offset;
- SV *bufsv;
- char *buffer;
- int length;
- STRLEN blen;
-
- gv = (GV*)*++MARK;
- if (!gv)
- goto say_undef;
- bufsv = *++MARK;
- buffer = SvPV(bufsv, blen);
- length = SvIVx(*++MARK);
- if (length < 0)
- DIE("Negative length");
- SETERRNO(0,0);
- io = GvIO(gv);
- if (!io || !IoIFP(io)) {
- length = -1;
- if (dowarn) {
- if (op->op_type == OP_SYSWRITE)
- warn("Syswrite on closed filehandle");
- else
- warn("Send on closed socket");
- }
- }
- else if (op->op_type == OP_SYSWRITE) {
- if (MARK < SP)
- offset = SvIVx(*++MARK);
- else
- offset = 0;
- if (length > blen - offset)
- length = blen - offset;
- length = write(fileno(IoIFP(io)), buffer+offset, length);
- }
- #ifdef HAS_SOCKET
- else if (SP > MARK) {
- char *sockbuf;
- STRLEN mlen;
- sockbuf = SvPVx(*++MARK, mlen);
- length = sendto(fileno(IoIFP(io)), buffer, blen, length,
- (struct sockaddr *)sockbuf, mlen);
- }
- else
- length = send(fileno(IoIFP(io)), buffer, blen, length);
- #else
- else
- DIE(no_sock_func, "send");
- #endif
- if (length < 0)
- goto say_undef;
- SP = ORIGMARK;
- PUSHi(length);
- RETURN;
-
- say_undef:
- SP = ORIGMARK;
- RETPUSHUNDEF;
- }
-
- PP(pp_recv)
- {
- return pp_sysread(ARGS);
- }
-
- PP(pp_eof)
- {
- dSP;
- GV *gv;
-
- if (MAXARG <= 0)
- gv = last_in_gv;
- else
- gv = last_in_gv = (GV*)POPs;
- PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
- RETURN;
- }
-
- PP(pp_tell)
- {
- dSP; dTARGET;
- GV *gv;
-
- if (MAXARG <= 0)
- gv = last_in_gv;
- else
- gv = last_in_gv = (GV*)POPs;
- PUSHi( do_tell(gv) );
- RETURN;
- }
-
- PP(pp_seek)
- {
- dSP;
- GV *gv;
- int whence = POPi;
- long offset = POPl;
-
- gv = last_in_gv = (GV*)POPs;
- PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
- RETURN;
- }
-
- PP(pp_truncate)
- {
- dSP;
- Off_t len = (Off_t)POPn;
- int result = 1;
- GV *tmpgv;
-
- SETERRNO(0,0);
- #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
- #ifdef HAS_TRUNCATE
- if (op->op_flags & OPf_SPECIAL) {
- tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
- if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
- ftruncate(fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
- result = 0;
- }
- else if (truncate(POPp, len) < 0)
- result = 0;
- #else
- if (op->op_flags & OPf_SPECIAL) {
- tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
- if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
- chsize(fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
- result = 0;
- }
- else {
- int tmpfd;
-
- if ((tmpfd = open(POPp, 0)) < 0)
- result = 0;
- else {
- if (chsize(tmpfd, len) < 0)
- result = 0;
- close(tmpfd);
- }
- }
- #endif
-
- if (result)
- RETPUSHYES;
- if (!errno)
- SETERRNO(EBADF,RMS$_IFI);
- RETPUSHUNDEF;
- #else
- DIE("truncate not implemented");
- #endif
- }
-
- PP(pp_fcntl)
- {
- return pp_ioctl(ARGS);
- }
-
- PP(pp_ioctl)
- {
- dSP; dTARGET;
- SV *argsv = POPs;
- unsigned int func = U_I(POPn);
- int optype = op->op_type;
- char *s;
- int retval;
- GV *gv = (GV*)POPs;
- IO *io = GvIOn(gv);
-
- if (!io || !argsv || !IoIFP(io)) {
- SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
- RETPUSHUNDEF;
- }
-
- if (SvPOK(argsv) || !SvNIOK(argsv)) {
- STRLEN len;
- s = SvPV_force(argsv, len);
- retval = IOCPARM_LEN(func);
- if (len < retval) {
- s = Sv_Grow(argsv, retval+1);
- SvCUR_set(argsv, retval);
- }
-
- s[SvCUR(argsv)] = 17; /* a little sanity check here */
- }
- else {
- retval = SvIV(argsv);
- #ifdef DOSISH
- s = (char*)(long)retval; /* ouch */
- #else
- s = (char*)retval; /* ouch */
- #endif
- }
-
- TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
-
- if (optype == OP_IOCTL)
- #ifdef HAS_IOCTL
- retval = ioctl(fileno(IoIFP(io)), func, s);
- #else
- DIE("ioctl is not implemented");
- #endif
- else
- #ifdef DOSISH
- DIE("fcntl is not implemented");
- #else
- # ifdef HAS_FCNTL
- retval = fcntl(fileno(IoIFP(io)), func, s);
- # else
- DIE("fcntl is not implemented");
- # endif
- #endif
-
- if (SvPOK(argsv)) {
- if (s[SvCUR(argsv)] != 17)
- DIE("Possible memory corruption: %s overflowed 3rd argument",
- op_name[optype]);
- s[SvCUR(argsv)] = 0; /* put our null back */
- SvSETMAGIC(argsv); /* Assume it has changed */
- }
-
- if (retval == -1)
- RETPUSHUNDEF;
- if (retval != 0) {
- PUSHi(retval);
- }
- else {
- PUSHp("0 but true", 10);
- }
- RETURN;
- }
-
- PP(pp_flock)
- {
- dSP; dTARGET;
- I32 value;
- int argtype;
- GV *gv;
- FILE *fp;
-
- #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
- # define flock lockf_emulate_flock
- #endif
-
- #if defined(HAS_FLOCK) || defined(flock)
- argtype = POPi;
- if (MAXARG <= 0)
- gv = last_in_gv;
- else
- gv = (GV*)POPs;
- if (gv && GvIO(gv))
- fp = IoIFP(GvIOp(gv));
- else
- fp = Nullfp;
- if (fp) {
- value = (I32)(flock(fileno(fp), argtype) >= 0);
- }
- else
- value = 0;
- PUSHi(value);
- RETURN;
- #else
- DIE(no_func, "flock()");
- #endif
- }
-
- /* Sockets. */
-
- PP(pp_socket)
- {
- dSP;
- #ifdef HAS_SOCKET
- GV *gv;
- register IO *io;
- int protocol = POPi;
- int type = POPi;
- int domain = POPi;
- int fd;
-
- gv = (GV*)POPs;
-
- if (!gv) {
- SETERRNO(EBADF,LIB$_INVARG);
- RETPUSHUNDEF;
- }
-
- io = GvIOn(gv);
- if (IoIFP(io))
- do_close(gv, FALSE);
-
- TAINT_PROPER("socket");
- fd = socket(domain, type, protocol);
- if (fd < 0)
- RETPUSHUNDEF;
- IoIFP(io) = fdopen(fd, "r"); /* stdio gets confused about sockets */
- IoOFP(io) = fdopen(fd, "w");
- IoTYPE(io) = 's';
- if (!IoIFP(io) || !IoOFP(io)) {
- if (IoIFP(io)) fclose(IoIFP(io));
- if (IoOFP(io)) fclose(IoOFP(io));
- if (!IoIFP(io) && !IoOFP(io)) close(fd);
- RETPUSHUNDEF;
- }
-
- RETPUSHYES;
- #else
- DIE(no_sock_func, "socket");
- #endif
- }
-
- PP(pp_sockpair)
- {
- dSP;
- #ifdef HAS_SOCKETPAIR
- GV *gv1;
- GV *gv2;
- register IO *io1;
- register IO *io2;
- int protocol = POPi;
- int type = POPi;
- int domain = POPi;
- int fd[2];
-
- gv2 = (GV*)POPs;
- gv1 = (GV*)POPs;
- if (!gv1 || !gv2)
- RETPUSHUNDEF;
-
- io1 = GvIOn(gv1);
- io2 = GvIOn(gv2);
- if (IoIFP(io1))
- do_close(gv1, FALSE);
- if (IoIFP(io2))
- do_close(gv2, FALSE);
-
- TAINT_PROPER("socketpair");
- if (socketpair(domain, type, protocol, fd) < 0)
- RETPUSHUNDEF;
- IoIFP(io1) = fdopen(fd[0], "r");
- IoOFP(io1) = fdopen(fd[0], "w");
- IoTYPE(io1) = 's';
- IoIFP(io2) = fdopen(fd[1], "r");
- IoOFP(io2) = fdopen(fd[1], "w");
- IoTYPE(io2) = 's';
- if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
- if (IoIFP(io1)) fclose(IoIFP(io1));
- if (IoOFP(io1)) fclose(IoOFP(io1));
- if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
- if (IoIFP(io2)) fclose(IoIFP(io2));
- if (IoOFP(io2)) fclose(IoOFP(io2));
- if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
- RETPUSHUNDEF;
- }
-
- RETPUSHYES;
- #else
- DIE(no_sock_func, "socketpair");
- #endif
- }
-
- PP(pp_bind)
- {
- dSP;
- #ifdef HAS_SOCKET
- SV *addrsv = POPs;
- char *addr;
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
- STRLEN len;
-
- if (!io || !IoIFP(io))
- goto nuts;
-
- addr = SvPV(addrsv, len);
- TAINT_PROPER("bind");
- if (bind(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
- RETPUSHYES;
- else
- RETPUSHUNDEF;
-
- nuts:
- if (dowarn)
- warn("bind() on closed fd");
- SETERRNO(EBADF,SS$_IVCHAN);
- RETPUSHUNDEF;
- #else
- DIE(no_sock_func, "bind");
- #endif
- }
-
- PP(pp_connect)
- {
- dSP;
- #ifdef HAS_SOCKET
- SV *addrsv = POPs;
- char *addr;
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
- STRLEN len;
-
- if (!io || !IoIFP(io))
- goto nuts;
-
- addr = SvPV(addrsv, len);
- TAINT_PROPER("connect");
- if (connect(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
- RETPUSHYES;
- else
- RETPUSHUNDEF;
-
- nuts:
- if (dowarn)
- warn("connect() on closed fd");
- SETERRNO(EBADF,SS$_IVCHAN);
- RETPUSHUNDEF;
- #else
- DIE(no_sock_func, "connect");
- #endif
- }
-
- PP(pp_listen)
- {
- dSP;
- #ifdef HAS_SOCKET
- int backlog = POPi;
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
-
- if (!io || !IoIFP(io))
- goto nuts;
-
- if (listen(fileno(IoIFP(io)), backlog) >= 0)
- RETPUSHYES;
- else
- RETPUSHUNDEF;
-
- nuts:
- if (dowarn)
- warn("listen() on closed fd");
- SETERRNO(EBADF,SS$_IVCHAN);
- RETPUSHUNDEF;
- #else
- DIE(no_sock_func, "listen");
- #endif
- }
-
- PP(pp_accept)
- {
- struct sockaddr_in saddr; /* use a struct to avoid alignment problems */
- dSP; dTARGET;
- #ifdef HAS_SOCKET
- GV *ngv;
- GV *ggv;
- register IO *nstio;
- register IO *gstio;
- int len = sizeof saddr;
- int fd;
-
- ggv = (GV*)POPs;
- ngv = (GV*)POPs;
-
- if (!ngv)
- goto badexit;
- if (!ggv)
- goto nuts;
-
- gstio = GvIO(ggv);
- if (!gstio || !IoIFP(gstio))
- goto nuts;
-
- nstio = GvIOn(ngv);
- if (IoIFP(nstio))
- do_close(ngv, FALSE);
-
- fd = accept(fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
- if (fd < 0)
- goto badexit;
- IoIFP(nstio) = fdopen(fd, "r");
- IoOFP(nstio) = fdopen(fd, "w");
- IoTYPE(nstio) = 's';
- if (!IoIFP(nstio) || !IoOFP(nstio)) {
- if (IoIFP(nstio)) fclose(IoIFP(nstio));
- if (IoOFP(nstio)) fclose(IoOFP(nstio));
- if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
- goto badexit;
- }
-
- PUSHp((char *)&saddr, len);
- RETURN;
-
- nuts:
- if (dowarn)
- warn("accept() on closed fd");
- SETERRNO(EBADF,SS$_IVCHAN);
-
- badexit:
- RETPUSHUNDEF;
-
- #else
- DIE(no_sock_func, "accept");
- #endif
- }
-
- PP(pp_shutdown)
- {
- dSP; dTARGET;
- #ifdef HAS_SOCKET
- int how = POPi;
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
-
- if (!io || !IoIFP(io))
- goto nuts;
-
- PUSHi( shutdown(fileno(IoIFP(io)), how) >= 0 );
- RETURN;
-
- nuts:
- if (dowarn)
- warn("shutdown() on closed fd");
- SETERRNO(EBADF,SS$_IVCHAN);
- RETPUSHUNDEF;
- #else
- DIE(no_sock_func, "shutdown");
- #endif
- }
-
- PP(pp_gsockopt)
- {
- #ifdef HAS_SOCKET
- return pp_ssockopt(ARGS);
- #else
- DIE(no_sock_func, "getsockopt");
- #endif
- }
-
- PP(pp_ssockopt)
- {
- dSP;
- #ifdef HAS_SOCKET
- int optype = op->op_type;
- SV *sv;
- int fd;
- unsigned int optname;
- unsigned int lvl;
- GV *gv;
- register IO *io;
- int aint;
-
- if (optype == OP_GSOCKOPT)
- sv = sv_2mortal(NEWSV(22, 257));
- else
- sv = POPs;
- optname = (unsigned int) POPi;
- lvl = (unsigned int) POPi;
-
- gv = (GV*)POPs;
- io = GvIOn(gv);
- if (!io || !IoIFP(io))
- goto nuts;
-
- fd = fileno(IoIFP(io));
- switch (optype) {
- case OP_GSOCKOPT:
- SvGROW(sv, 257);
- (void)SvPOK_only(sv);
- SvCUR_set(sv,256);
- *SvEND(sv) ='\0';
- aint = SvCUR(sv);
- if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
- goto nuts2;
- SvCUR_set(sv,aint);
- *SvEND(sv) ='\0';
- PUSHs(sv);
- break;
- case OP_SSOCKOPT: {
- STRLEN len = 0;
- char *buf = 0;
- if (SvPOKp(sv))
- buf = SvPV(sv, len);
- else if (SvOK(sv)) {
- aint = (int)SvIV(sv);
- buf = (char*)&aint;
- len = sizeof(int);
- }
- if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
- goto nuts2;
- PUSHs(&sv_yes);
- }
- break;
- }
- RETURN;
-
- nuts:
- if (dowarn)
- warn("[gs]etsockopt() on closed fd");
- SETERRNO(EBADF,SS$_IVCHAN);
- nuts2:
- RETPUSHUNDEF;
-
- #else
- DIE(no_sock_func, "setsockopt");
- #endif
- }
-
- PP(pp_getsockname)
- {
- #ifdef HAS_SOCKET
- return pp_getpeername(ARGS);
- #else
- DIE(no_sock_func, "getsockname");
- #endif
- }
-
- PP(pp_getpeername)
- {
- dSP;
- #ifdef HAS_SOCKET
- int optype = op->op_type;
- SV *sv;
- int fd;
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
- int aint;
-
- if (!io || !IoIFP(io))
- goto nuts;
-
- sv = sv_2mortal(NEWSV(22, 257));
- (void)SvPOK_only(sv);
- SvCUR_set(sv,256);
- *SvEND(sv) ='\0';
- aint = SvCUR(sv);
- fd = fileno(IoIFP(io));
- switch (optype) {
- case OP_GETSOCKNAME:
- if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
- goto nuts2;
- break;
- case OP_GETPEERNAME:
- if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
- goto nuts2;
- break;
- }
- SvCUR_set(sv,aint);
- *SvEND(sv) ='\0';
- PUSHs(sv);
- RETURN;
-
- nuts:
- if (dowarn)
- warn("get{sock, peer}name() on closed fd");
- SETERRNO(EBADF,SS$_IVCHAN);
- nuts2:
- RETPUSHUNDEF;
-
- #else
- DIE(no_sock_func, "getpeername");
- #endif
- }
-
- /* Stat calls. */
-
- PP(pp_lstat)
- {
- return pp_stat(ARGS);
- }
-
- PP(pp_stat)
- {
- dSP;
- GV *tmpgv;
- I32 max = 13;
-
- if (op->op_flags & OPf_REF) {
- tmpgv = cGVOP->op_gv;
- do_fstat:
- if (tmpgv != defgv) {
- laststype = OP_STAT;
- statgv = tmpgv;
- sv_setpv(statname, "");
- if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
- Fstat(fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
- max = 0;
- laststatval = -1;
- }
- }
- else if (laststatval < 0)
- max = 0;
- }
- else {
- SV* sv = POPs;
- if (SvTYPE(sv) == SVt_PVGV) {
- tmpgv = (GV*)sv;
- goto do_fstat;
- }
- else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
- tmpgv = (GV*)SvRV(sv);
- goto do_fstat;
- }
- sv_setpv(statname, SvPV(sv,na));
- statgv = Nullgv;
- #ifdef HAS_LSTAT
- laststype = op->op_type;
- if (op->op_type == OP_LSTAT)
- laststatval = lstat(SvPV(statname, na), &statcache);
- else
- #endif
- laststatval = Stat(SvPV(statname, na), &statcache);
- if (laststatval < 0) {
- if (dowarn && strchr(SvPV(statname, na), '\n'))
- warn(warn_nl, "stat");
- max = 0;
- }
- }
-
- EXTEND(SP, 13);
- if (GIMME != G_ARRAY) {
- if (max)
- RETPUSHYES;
- else
- RETPUSHUNDEF;
- }
- if (max) {
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
- #ifdef USE_STAT_BLOCKS
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
- PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
- #else
- PUSHs(sv_2mortal(newSVpv("", 0)));
- PUSHs(sv_2mortal(newSVpv("", 0)));
- #endif
- }
- RETURN;
- }
-
- PP(pp_ftrread)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (cando(S_IRUSR, 0, &statcache))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftrwrite)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (cando(S_IWUSR, 0, &statcache))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftrexec)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (cando(S_IXUSR, 0, &statcache))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_fteread)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (cando(S_IRUSR, 1, &statcache))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftewrite)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (cando(S_IWUSR, 1, &statcache))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_fteexec)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (cando(S_IXUSR, 1, &statcache))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftis)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- RETPUSHYES;
- }
-
- PP(pp_fteowned)
- {
- return pp_ftrowned(ARGS);
- }
-
- PP(pp_ftrowned)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftzero)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (!statcache.st_size)
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftsize)
- {
- I32 result = my_stat(ARGS);
- dSP; dTARGET;
- if (result < 0)
- RETPUSHUNDEF;
- PUSHi(statcache.st_size);
- RETURN;
- }
-
- PP(pp_ftmtime)
- {
- I32 result = my_stat(ARGS);
- dSP; dTARGET;
- if (result < 0)
- RETPUSHUNDEF;
- PUSHn( (basetime - statcache.st_mtime) / 86400.0 );
- RETURN;
- }
-
- PP(pp_ftatime)
- {
- I32 result = my_stat(ARGS);
- dSP; dTARGET;
- if (result < 0)
- RETPUSHUNDEF;
- PUSHn( (basetime - statcache.st_atime) / 86400.0 );
- RETURN;
- }
-
- PP(pp_ftctime)
- {
- I32 result = my_stat(ARGS);
- dSP; dTARGET;
- if (result < 0)
- RETPUSHUNDEF;
- PUSHn( (basetime - statcache.st_ctime) / 86400.0 );
- RETURN;
- }
-
- PP(pp_ftsock)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (S_ISSOCK(statcache.st_mode))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftchr)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (S_ISCHR(statcache.st_mode))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftblk)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (S_ISBLK(statcache.st_mode))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftfile)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (S_ISREG(statcache.st_mode))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftdir)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (S_ISDIR(statcache.st_mode))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftpipe)
- {
- I32 result = my_stat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (S_ISFIFO(statcache.st_mode))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftlink)
- {
- I32 result = my_lstat(ARGS);
- dSP;
- if (result < 0)
- RETPUSHUNDEF;
- if (S_ISLNK(statcache.st_mode))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- PP(pp_ftsuid)
- {
- dSP;
- #ifdef S_ISUID
- I32 result = my_stat(ARGS);
- SPAGAIN;
- if (result < 0)
- RETPUSHUNDEF;
- if (statcache.st_mode & S_ISUID)
- RETPUSHYES;
- #endif
- RETPUSHNO;
- }
-
- PP(pp_ftsgid)
- {
- dSP;
- #ifdef S_ISGID
- I32 result = my_stat(ARGS);
- SPAGAIN;
- if (result < 0)
- RETPUSHUNDEF;
- if (statcache.st_mode & S_ISGID)
- RETPUSHYES;
- #endif
- RETPUSHNO;
- }
-
- PP(pp_ftsvtx)
- {
- dSP;
- #ifdef S_ISVTX
- I32 result = my_stat(ARGS);
- SPAGAIN;
- if (result < 0)
- RETPUSHUNDEF;
- if (statcache.st_mode & S_ISVTX)
- RETPUSHYES;
- #endif
- RETPUSHNO;
- }
-
- PP(pp_fttty)
- {
- dSP;
- int fd;
- GV *gv;
- char *tmps;
- if (op->op_flags & OPf_REF) {
- gv = cGVOP->op_gv;
- tmps = "";
- }
- else
- gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
- if (GvIO(gv) && IoIFP(GvIOp(gv)))
- fd = fileno(IoIFP(GvIOp(gv)));
- else if (isDIGIT(*tmps))
- fd = atoi(tmps);
- else
- RETPUSHUNDEF;
- if (isatty(fd))
- RETPUSHYES;
- RETPUSHNO;
- }
-
- #if defined(atarist) /* this will work with atariST. Configure will
- make guesses for other systems. */
- # define FILE_base(f) ((f)->_base)
- # define FILE_ptr(f) ((f)->_ptr)
- # define FILE_cnt(f) ((f)->_cnt)
- # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
- #endif
-
- PP(pp_fttext)
- {
- dSP;
- I32 i;
- I32 len;
- I32 odd = 0;
- STDCHAR tbuf[512];
- register STDCHAR *s;
- register IO *io;
- SV *sv;
-
- if (op->op_flags & OPf_REF) {
- EXTEND(SP, 1);
- if (cGVOP->op_gv == defgv) {
- if (statgv)
- io = GvIO(statgv);
- else {
- sv = statname;
- goto really_filename;
- }
- }
- else {
- statgv = cGVOP->op_gv;
- sv_setpv(statname, "");
- io = GvIO(statgv);
- }
- if (io && IoIFP(io)) {
- #ifdef FILE_base
- Fstat(fileno(IoIFP(io)), &statcache);
- if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
- if (op->op_type == OP_FTTEXT)
- RETPUSHNO;
- else
- RETPUSHYES;
- if (FILE_cnt(IoIFP(io)) <= 0) {
- i = getc(IoIFP(io));
- if (i != EOF)
- (void)ungetc(i, IoIFP(io));
- }
- if (FILE_cnt(IoIFP(io)) <= 0) /* null file is anything */
- RETPUSHYES;
- len = FILE_bufsiz(IoIFP(io));
- s = FILE_base(IoIFP(io));
- #else
- DIE("-T and -B not implemented on filehandles");
- #endif
- }
- else {
- if (dowarn)
- warn("Test on unopened file <%s>",
- GvENAME(cGVOP->op_gv));
- SETERRNO(EBADF,RMS$_IFI);
- RETPUSHUNDEF;
- }
- }
- else {
- sv = POPs;
- statgv = Nullgv;
- sv_setpv(statname, SvPV(sv, na));
- really_filename:
- #ifdef HAS_OPEN3
- i = open(SvPV(sv, na), O_RDONLY, 0);
- #else
- i = open(SvPV(sv, na), 0);
- #endif
- if (i < 0) {
- if (dowarn && strchr(SvPV(sv, na), '\n'))
- warn(warn_nl, "open");
- RETPUSHUNDEF;
- }
- Fstat(i, &statcache);
- len = read(i, tbuf, 512);
- (void)close(i);
- if (len <= 0) {
- if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
- RETPUSHNO; /* special case NFS directories */
- RETPUSHYES; /* null file is anything */
- }
- s = tbuf;
- }
-
- /* now scan s to look for textiness */
-
- for (i = 0; i < len; i++, s++) {
- if (!*s) { /* null never allowed in text */
- odd += len;
- break;
- }
- else if (*s & 128)
- odd++;
- else if (*s < 32 &&
- *s != '\n' && *s != '\r' && *s != '\b' &&
- *s != '\t' && *s != '\f' && *s != 27)
- odd++;
- }
-
- if ((odd * 30 > len) == (op->op_type == OP_FTTEXT)) /* allow 30% odd */
- RETPUSHNO;
- else
- RETPUSHYES;
- }
-
- PP(pp_ftbinary)
- {
- return pp_fttext(ARGS);
- }
-
- /* File calls. */
-
- PP(pp_chdir)
- {
- dSP; dTARGET;
- char *tmps;
- SV **svp;
-
- if (MAXARG < 1)
- tmps = Nullch;
- else
- tmps = POPp;
- if (!tmps || !*tmps) {
- svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
- if (svp)
- tmps = SvPV(*svp, na);
- }
- if (!tmps || !*tmps) {
- svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
- if (svp)
- tmps = SvPV(*svp, na);
- }
- TAINT_PROPER("chdir");
- PUSHi( chdir(tmps) >= 0 );
- #ifdef VMS
- /* Clear the DEFAULT element of ENV so we'll get the new value
- * in the future. */
- hv_delete(GvHVn(envgv),"DEFAULT",7);
- #endif
- RETURN;
- }
-
- PP(pp_chown)
- {
- dSP; dMARK; dTARGET;
- I32 value;
- #ifdef HAS_CHOWN
- value = (I32)apply(op->op_type, MARK, SP);
- SP = MARK;
- PUSHi(value);
- RETURN;
- #else
- DIE(no_func, "Unsupported function chown");
- #endif
- }
-
- PP(pp_chroot)
- {
- dSP; dTARGET;
- char *tmps;
- #ifdef HAS_CHROOT
- tmps = POPp;
- TAINT_PROPER("chroot");
- PUSHi( chroot(tmps) >= 0 );
- RETURN;
- #else
- DIE(no_func, "chroot");
- #endif
- }
-
- PP(pp_unlink)
- {
- dSP; dMARK; dTARGET;
- I32 value;
- value = (I32)apply(op->op_type, MARK, SP);
- SP = MARK;
- PUSHi(value);
- RETURN;
- }
-
- PP(pp_chmod)
- {
- dSP; dMARK; dTARGET;
- I32 value;
- value = (I32)apply(op->op_type, MARK, SP);
- SP = MARK;
- PUSHi(value);
- RETURN;
- }
-
- PP(pp_utime)
- {
- dSP; dMARK; dTARGET;
- I32 value;
- value = (I32)apply(op->op_type, MARK, SP);
- SP = MARK;
- PUSHi(value);
- RETURN;
- }
-
- PP(pp_rename)
- {
- dSP; dTARGET;
- int anum;
-
- char *tmps2 = POPp;
- char *tmps = SvPV(TOPs, na);
- TAINT_PROPER("rename");
- #ifdef HAS_RENAME
- anum = rename(tmps, tmps2);
- #else
- if (same_dirent(tmps2, tmps)) /* can always rename to same name */
- anum = 1;
- else {
- if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
- (void)UNLINK(tmps2);
- if (!(anum = link(tmps, tmps2)))
- anum = UNLINK(tmps);
- }
- #endif
- SETi( anum >= 0 );
- RETURN;
- }
-
- PP(pp_link)
- {
- dSP; dTARGET;
- #ifdef HAS_LINK
- char *tmps2 = POPp;
- char *tmps = SvPV(TOPs, na);
- TAINT_PROPER("link");
- SETi( link(tmps, tmps2) >= 0 );
- #else
- DIE(no_func, "Unsupported function link");
- #endif
- RETURN;
- }
-
- PP(pp_symlink)
- {
- dSP; dTARGET;
- #ifdef HAS_SYMLINK
- char *tmps2 = POPp;
- char *tmps = SvPV(TOPs, na);
- TAINT_PROPER("symlink");
- SETi( symlink(tmps, tmps2) >= 0 );
- RETURN;
- #else
- DIE(no_func, "symlink");
- #endif
- }
-
- PP(pp_readlink)
- {
- dSP; dTARGET;
- #ifdef HAS_SYMLINK
- char *tmps;
- int len;
- tmps = POPp;
- len = readlink(tmps, buf, sizeof buf);
- EXTEND(SP, 1);
- if (len < 0)
- RETPUSHUNDEF;
- PUSHp(buf, len);
- RETURN;
- #else
- EXTEND(SP, 1);
- RETSETUNDEF; /* just pretend it's a normal file */
- #endif
- }
-
- #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
- static int
- dooneliner(cmd, filename)
- char *cmd;
- char *filename;
- {
- char mybuf[8192];
- char *s,
- *save_filename = filename;
- int anum = 1;
- FILE *myfp;
-
- strcpy(mybuf, cmd);
- strcat(mybuf, " ");
- for (s = mybuf+strlen(mybuf); *filename; ) {
- *s++ = '\\';
- *s++ = *filename++;
- }
- strcpy(s, " 2>&1");
- myfp = my_popen(mybuf, "r");
- if (myfp) {
- *mybuf = '\0';
- s = fgets(mybuf, sizeof mybuf, myfp);
- (void)my_pclose(myfp);
- if (s != Nullch) {
- for (errno = 1; errno < sys_nerr; errno++) {
- #ifdef HAS_SYS_ERRLIST
- if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
- return 0;
- #else
- char *errmsg; /* especially if it isn't there */
-
- if (instr(mybuf,
- (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
- return 0;
- #endif
- }
- SETERRNO(0,0);
- #ifndef EACCES
- #define EACCES EPERM
- #endif
- if (instr(mybuf, "cannot make"))
- SETERRNO(EEXIST,RMS$_FEX);
- else if (instr(mybuf, "existing file"))
- SETERRNO(EEXIST,RMS$_FEX);
- else if (instr(mybuf, "ile exists"))
- SETERRNO(EEXIST,RMS$_FEX);
- else if (instr(mybuf, "non-exist"))
- SETERRNO(ENOENT,RMS$_FNF);
- else if (instr(mybuf, "does not exist"))
- SETERRNO(ENOENT,RMS$_FNF);
- else if (instr(mybuf, "not empty"))
- SETERRNO(EBUSY,SS$_DEVOFFLINE);
- else if (instr(mybuf, "cannot access"))
- SETERRNO(EACCES,RMS$_PRV);
- else
- SETERRNO(EPERM,RMS$_PRV);
- return 0;
- }
- else { /* some mkdirs return no failure indication */
- anum = (Stat(save_filename, &statbuf) >= 0);
- if (op->op_type == OP_RMDIR)
- anum = !anum;
- if (anum)
- SETERRNO(0,0);
- else
- SETERRNO(EACCES,RMS$_PRV); /* a guess */
- }
- return anum;
- }
- else
- return 0;
- }
- #endif
-
- PP(pp_mkdir)
- {
- dSP; dTARGET;
- int mode = POPi;
- #ifndef HAS_MKDIR
- int oldumask;
- #endif
- char *tmps = SvPV(TOPs, na);
-
- TAINT_PROPER("mkdir");
- #ifdef HAS_MKDIR
- SETi( mkdir(tmps, mode) >= 0 );
- #else
- SETi( dooneliner("mkdir", tmps) );
- oldumask = umask(0);
- umask(oldumask);
- chmod(tmps, (mode & ~oldumask) & 0777);
- #endif
- RETURN;
- }
-
- PP(pp_rmdir)
- {
- dSP; dTARGET;
- char *tmps;
-
- tmps = POPp;
- TAINT_PROPER("rmdir");
- #ifdef HAS_RMDIR
- XPUSHi( rmdir(tmps) >= 0 );
- #else
- XPUSHi( dooneliner("rmdir", tmps) );
- #endif
- RETURN;
- }
-
- /* Directory calls. */
-
- PP(pp_open_dir)
- {
- dSP;
- #if defined(Direntry_t) && defined(HAS_READDIR)
- char *dirname = POPp;
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
-
- if (!io)
- goto nope;
-
- if (IoDIRP(io))
- closedir(IoDIRP(io));
- if (!(IoDIRP(io) = opendir(dirname)))
- goto nope;
-
- RETPUSHYES;
- nope:
- if (!errno)
- SETERRNO(EBADF,RMS$_DIR);
- RETPUSHUNDEF;
- #else
- DIE(no_dir_func, "opendir");
- #endif
- }
-
- PP(pp_readdir)
- {
- dSP;
- #if defined(Direntry_t) && defined(HAS_READDIR)
- #ifndef I_DIRENT
- Direntry_t *readdir _((DIR *));
- #endif
- register Direntry_t *dp;
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
-
- if (!io || !IoDIRP(io))
- goto nope;
-
- if (GIMME == G_ARRAY) {
- /*SUPPRESS 560*/
- while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
- #ifdef DIRNAMLEN
- XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
- #else
- XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
- #endif
- }
- }
- else {
- if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
- goto nope;
- #ifdef DIRNAMLEN
- XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
- #else
- XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
- #endif
- }
- RETURN;
-
- nope:
- if (!errno)
- SETERRNO(EBADF,RMS$_ISI);
- if (GIMME == G_ARRAY)
- RETURN;
- else
- RETPUSHUNDEF;
- #else
- DIE(no_dir_func, "readdir");
- #endif
- }
-
- PP(pp_telldir)
- {
- dSP; dTARGET;
- #if defined(HAS_TELLDIR) || defined(telldir)
- #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
- long telldir _((DIR *));
- #endif
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
-
- if (!io || !IoDIRP(io))
- goto nope;
-
- PUSHi( telldir(IoDIRP(io)) );
- RETURN;
- nope:
- if (!errno)
- SETERRNO(EBADF,RMS$_ISI);
- RETPUSHUNDEF;
- #else
- DIE(no_dir_func, "telldir");
- #endif
- }
-
- PP(pp_seekdir)
- {
- dSP;
- #if defined(HAS_SEEKDIR) || defined(seekdir)
- long along = POPl;
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
-
- if (!io || !IoDIRP(io))
- goto nope;
-
- (void)seekdir(IoDIRP(io), along);
-
- RETPUSHYES;
- nope:
- if (!errno)
- SETERRNO(EBADF,RMS$_ISI);
- RETPUSHUNDEF;
- #else
- DIE(no_dir_func, "seekdir");
- #endif
- }
-
- PP(pp_rewinddir)
- {
- dSP;
- #if defined(HAS_REWINDDIR) || defined(rewinddir)
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
-
- if (!io || !IoDIRP(io))
- goto nope;
-
- (void)rewinddir(IoDIRP(io));
- RETPUSHYES;
- nope:
- if (!errno)
- SETERRNO(EBADF,RMS$_ISI);
- RETPUSHUNDEF;
- #else
- DIE(no_dir_func, "rewinddir");
- #endif
- }
-
- PP(pp_closedir)
- {
- dSP;
- #if defined(Direntry_t) && defined(HAS_READDIR)
- GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
-
- if (!io || !IoDIRP(io))
- goto nope;
-
- #ifdef VOID_CLOSEDIR
- closedir(IoDIRP(io));
- #else
- if (closedir(IoDIRP(io)) < 0) {
- IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
- goto nope;
- }
- #endif
- IoDIRP(io) = 0;
-
- RETPUSHYES;
- nope:
- if (!errno)
- SETERRNO(EBADF,RMS$_IFI);
- RETPUSHUNDEF;
- #else
- DIE(no_dir_func, "closedir");
- #endif
- }
-
- /* Process control. */
-
- PP(pp_fork)
- {
- dSP; dTARGET;
- int childpid;
- GV *tmpgv;
-
- EXTEND(SP, 1);
- #ifdef HAS_FORK
- childpid = fork();
- if (childpid < 0)
- RETSETUNDEF;
- if (!childpid) {
- /*SUPPRESS 560*/
- if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
- sv_setiv(GvSV(tmpgv), (I32)getpid());
- hv_clear(pidstatus); /* no kids, so don't wait for 'em */
- }
- PUSHi(childpid);
- RETURN;
- #else
- DIE(no_func, "Unsupported function fork");
- #endif
- }
-
- PP(pp_wait)
- {
- dSP; dTARGET;
- int childpid;
- int argflags;
- I32 value;
-
- EXTEND(SP, 1);
- #ifdef HAS_WAIT
- childpid = wait(&argflags);
- if (childpid > 0)
- pidgone(childpid, argflags);
- value = (I32)childpid;
- statusvalue = FIXSTATUS(argflags);
- PUSHi(value);
- RETURN;
- #else
- DIE(no_func, "Unsupported function wait");
- #endif
- }
-
- PP(pp_waitpid)
- {
- dSP; dTARGET;
- int childpid;
- int optype;
- int argflags;
- I32 value;
-
- #ifdef HAS_WAIT
- optype = POPi;
- childpid = TOPi;
- childpid = wait4pid(childpid, &argflags, optype);
- value = (I32)childpid;
- statusvalue = FIXSTATUS(argflags);
- SETi(value);
- RETURN;
- #else
- DIE(no_func, "Unsupported function wait");
- #endif
- }
-
- PP(pp_system)
- {
- dSP; dMARK; dORIGMARK; dTARGET;
- I32 value;
- int childpid;
- int result;
- int status;
- Signal_t (*ihand)(); /* place to save signal during system() */
- Signal_t (*qhand)(); /* place to save signal during system() */
-
- #if defined(HAS_FORK) && !defined(VMS)
- if (SP - MARK == 1) {
- if (tainting) {
- char *junk = SvPV(TOPs, na);
- TAINT_ENV();
- TAINT_PROPER("system");
- }
- }
- while ((childpid = vfork()) == -1) {
- if (errno != EAGAIN) {
- value = -1;
- SP = ORIGMARK;
- PUSHi(value);
- RETURN;
- }
- sleep(5);
- }
- if (childpid > 0) {
- ihand = signal(SIGINT, SIG_IGN);
- qhand = signal(SIGQUIT, SIG_IGN);
- do {
- result = wait4pid(childpid, &status, 0);
- } while (result == -1 && errno == EINTR);
- (void)signal(SIGINT, ihand);
- (void)signal(SIGQUIT, qhand);
- statusvalue = FIXSTATUS(status);
- if (result < 0)
- value = -1;
- else {
- value = (I32)((unsigned int)status & 0xffff);
- }
- do_execfree(); /* free any memory child malloced on vfork */
- SP = ORIGMARK;
- PUSHi(value);
- RETURN;
- }
- if (op->op_flags & OPf_STACKED) {
- SV *really = *++MARK;
- value = (I32)do_aexec(really, MARK, SP);
- }
- else if (SP - MARK != 1)
- value = (I32)do_aexec(Nullsv, MARK, SP);
- else {
- value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
- }
- _exit(-1);
- #else /* ! FORK or VMS */
- if (op->op_flags & OPf_STACKED) {
- SV *really = *++MARK;
- value = (I32)do_aspawn(really, MARK, SP);
- }
- else if (SP - MARK != 1)
- value = (I32)do_aspawn(Nullsv, MARK, SP);
- else {
- value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
- }
- do_execfree();
- SP = ORIGMARK;
- PUSHi(value);
- #endif /* !FORK or VMS */
- RETURN;
- }
-
- PP(pp_exec)
- {
- dSP; dMARK; dORIGMARK; dTARGET;
- I32 value;
-
- if (op->op_flags & OPf_STACKED) {
- SV *really = *++MARK;
- value = (I32)do_aexec(really, MARK, SP);
- }
- else if (SP - MARK != 1)
- #ifdef VMS
- value = (I32)vms_do_aexec(Nullsv, MARK, SP);
- #else
- value = (I32)do_aexec(Nullsv, MARK, SP);
- #endif
- else {
- if (tainting) {
- char *junk = SvPV(*SP, na);
- TAINT_ENV();
- TAINT_PROPER("exec");
- }
- #ifdef VMS
- value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
- #else
- value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
- #endif
- }
- SP = ORIGMARK;
- PUSHi(value);
- RETURN;
- }
-
- PP(pp_kill)
- {
- dSP; dMARK; dTARGET;
- I32 value;
- #ifdef HAS_KILL
- value = (I32)apply(op->op_type, MARK, SP);
- SP = MARK;
- PUSHi(value);
- RETURN;
- #else
- DIE(no_func, "Unsupported function kill");
- #endif
- }
-
- PP(pp_getppid)
- {
- #ifdef HAS_GETPPID
- dSP; dTARGET;
- XPUSHi( getppid() );
- RETURN;
- #else
- DIE(no_func, "getppid");
- #endif
- }
-
- PP(pp_getpgrp)
- {
- #ifdef HAS_GETPGRP
- dSP; dTARGET;
- int pid;
- I32 value;
-
- if (MAXARG < 1)
- pid = 0;
- else
- pid = SvIVx(POPs);
- #ifdef USE_BSDPGRP
- value = (I32)getpgrp(pid);
- #else
- if (pid != 0)
- DIE("POSIX getpgrp can't take an argument");
- value = (I32)getpgrp();
- #endif
- XPUSHi(value);
- RETURN;
- #else
- DIE(no_func, "getpgrp()");
- #endif
- }
-
- PP(pp_setpgrp)
- {
- #ifdef HAS_SETPGRP
- dSP; dTARGET;
- int pgrp;
- int pid;
- if (MAXARG < 2) {
- pgrp = 0;
- pid = 0;
- }
- else {
- pgrp = POPi;
- pid = TOPi;
- }
-
- TAINT_PROPER("setpgrp");
- #ifdef USE_BSDPGRP
- SETi( setpgrp(pid, pgrp) >= 0 );
- #else
- if ((pgrp != 0) || (pid != 0)) {
- DIE("POSIX setpgrp can't take an argument");
- }
- SETi( setpgrp() >= 0 );
- #endif /* USE_BSDPGRP */
- RETURN;
- #else
- DIE(no_func, "setpgrp()");
- #endif
- }
-
- PP(pp_getpriority)
- {
- dSP; dTARGET;
- int which;
- int who;
- #ifdef HAS_GETPRIORITY
- who = POPi;
- which = TOPi;
- SETi( getpriority(which, who) );
- RETURN;
- #else
- DIE(no_func, "getpriority()");
- #endif
- }
-
- PP(pp_setpriority)
- {
- dSP; dTARGET;
- int which;
- int who;
- int niceval;
- #ifdef HAS_SETPRIORITY
- niceval = POPi;
- who = POPi;
- which = TOPi;
- TAINT_PROPER("setpriority");
- SETi( setpriority(which, who, niceval) >= 0 );
- RETURN;
- #else
- DIE(no_func, "setpriority()");
- #endif
- }
-
- /* Time calls. */
-
- PP(pp_time)
- {
- dSP; dTARGET;
- XPUSHi( time(Null(Time_t*)) );
- RETURN;
- }
-
- #ifndef HZ
- #define HZ 60
- #endif
-
- PP(pp_tms)
- {
- dSP;
-
- #if defined(MSDOS) || !defined(HAS_TIMES)
- DIE("times not implemented");
- #else
- EXTEND(SP, 4);
-
- #ifndef VMS
- (void)times(×buf);
- #else
- (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
- /* struct tms, though same data */
- /* is returned. */
- #endif
-
- PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
- if (GIMME == G_ARRAY) {
- PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
- PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
- PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
- }
- RETURN;
- #endif /* MSDOS */
- }
-
- PP(pp_localtime)
- {
- return pp_gmtime(ARGS);
- }
-
- PP(pp_gmtime)
- {
- dSP;
- Time_t when;
- struct tm *tmbuf;
- static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
- static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
-
- if (MAXARG < 1)
- (void)time(&when);
- else
- when = (Time_t)SvIVx(POPs);
-
- if (op->op_type == OP_LOCALTIME)
- tmbuf = localtime(&when);
- else
- tmbuf = gmtime(&when);
-
- EXTEND(SP, 9);
- if (GIMME != G_ARRAY) {
- dTARGET;
- char mybuf[30];
- if (!tmbuf)
- RETPUSHUNDEF;
- sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
- dayname[tmbuf->tm_wday],
- monname[tmbuf->tm_mon],
- tmbuf->tm_mday,
- tmbuf->tm_hour,
- tmbuf->tm_min,
- tmbuf->tm_sec,
- tmbuf->tm_year + 1900);
- PUSHp(mybuf, strlen(mybuf));
- }
- else if (tmbuf) {
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
- PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
- }
- RETURN;
- }
-
- PP(pp_alarm)
- {
- dSP; dTARGET;
- int anum;
- #ifdef HAS_ALARM
- anum = POPi;
- anum = alarm((unsigned int)anum);
- EXTEND(SP, 1);
- if (anum < 0)
- RETPUSHUNDEF;
- PUSHi((I32)anum);
- RETURN;
- #else
- DIE(no_func, "Unsupported function alarm");
- #endif
- }
-
- PP(pp_sleep)
- {
- dSP; dTARGET;
- I32 duration;
- Time_t lasttime;
- Time_t when;
-
- (void)time(&lasttime);
- if (MAXARG < 1)
- pause();
- else {
- duration = POPi;
- sleep((unsigned int)duration);
- }
- (void)time(&when);
- XPUSHi(when - lasttime);
- RETURN;
- }
-
- /* Shared memory. */
-
- PP(pp_shmget)
- {
- return pp_semget(ARGS);
- }
-
- PP(pp_shmctl)
- {
- return pp_semctl(ARGS);
- }
-
- PP(pp_shmread)
- {
- return pp_shmwrite(ARGS);
- }
-
- PP(pp_shmwrite)
- {
- #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
- I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
- SP = MARK;
- PUSHi(value);
- RETURN;
- #else
- return pp_semget(ARGS);
- #endif
- }
-
- /* Message passing. */
-
- PP(pp_msgget)
- {
- return pp_semget(ARGS);
- }
-
- PP(pp_msgctl)
- {
- return pp_semctl(ARGS);
- }
-
- PP(pp_msgsnd)
- {
- #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
- I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
- SP = MARK;
- PUSHi(value);
- RETURN;
- #else
- return pp_semget(ARGS);
- #endif
- }
-
- PP(pp_msgrcv)
- {
- #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
- I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
- SP = MARK;
- PUSHi(value);
- RETURN;
- #else
- return pp_semget(ARGS);
- #endif
- }
-
- /* Semaphores. */
-
- PP(pp_semget)
- {
- #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
- int anum = do_ipcget(op->op_type, MARK, SP);
- SP = MARK;
- if (anum == -1)
- RETPUSHUNDEF;
- PUSHi(anum);
- RETURN;
- #else
- DIE("System V IPC is not implemented on this machine");
- #endif
- }
-
- PP(pp_semctl)
- {
- #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
- int anum = do_ipcctl(op->op_type, MARK, SP);
- SP = MARK;
- if (anum == -1)
- RETSETUNDEF;
- if (anum != 0) {
- PUSHi(anum);
- }
- else {
- PUSHp("0 but true",10);
- }
- RETURN;
- #else
- return pp_semget(ARGS);
- #endif
- }
-
- PP(pp_semop)
- {
- #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
- I32 value = (I32)(do_semop(MARK, SP) >= 0);
- SP = MARK;
- PUSHi(value);
- RETURN;
- #else
- return pp_semget(ARGS);
- #endif
- }
-
- /* Get system info. */
-
- PP(pp_ghbyname)
- {
- #ifdef HAS_SOCKET
- return pp_ghostent(ARGS);
- #else
- DIE(no_sock_func, "gethostbyname");
- #endif
- }
-
- PP(pp_ghbyaddr)
- {
- #ifdef HAS_SOCKET
- return pp_ghostent(ARGS);
- #else
- DIE(no_sock_func, "gethostbyaddr");
- #endif
- }
-
- PP(pp_ghostent)
- {
- dSP;
- #ifdef HAS_SOCKET
- I32 which = op->op_type;
- register char **elem;
- register SV *sv;
- struct hostent *gethostbyname();
- struct hostent *gethostbyaddr();
- #ifdef HAS_GETHOSTENT
- struct hostent *gethostent();
- #endif
- struct hostent *hent;
- unsigned long len;
-
- EXTEND(SP, 10);
- if (which == OP_GHBYNAME) {
- hent = gethostbyname(POPp);
- }
- else if (which == OP_GHBYADDR) {
- int addrtype = POPi;
- SV *addrsv = POPs;
- STRLEN addrlen;
- char *addr = SvPV(addrsv, addrlen);
-
- hent = gethostbyaddr(addr, addrlen, addrtype);
- }
- else
- #ifdef HAS_GETHOSTENT
- hent = gethostent();
- #else
- DIE("gethostent not implemented");
- #endif
-
- #ifdef HOST_NOT_FOUND
- if (!hent)
- statusvalue = FIXSTATUS(h_errno);
- #endif
-
- if (GIMME != G_ARRAY) {
- PUSHs(sv = sv_newmortal());
- if (hent) {
- if (which == OP_GHBYNAME) {
- sv_setpvn(sv, hent->h_addr, hent->h_length);
- }
- else
- sv_setpv(sv, (char*)hent->h_name);
- }
- RETURN;
- }
-
- if (hent) {
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, (char*)hent->h_name);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- for (elem = hent->h_aliases; elem && *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)hent->h_addrtype);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- len = hent->h_length;
- sv_setiv(sv, (I32)len);
- #ifdef h_addr
- for (elem = hent->h_addr_list; elem && *elem; elem++) {
- XPUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpvn(sv, *elem, len);
- }
- #else
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpvn(sv, hent->h_addr, len);
- #endif /* h_addr */
- }
- RETURN;
- #else
- DIE(no_sock_func, "gethostent");
- #endif
- }
-
- PP(pp_gnbyname)
- {
- #ifdef HAS_SOCKET
- return pp_gnetent(ARGS);
- #else
- DIE(no_sock_func, "getnetbyname");
- #endif
- }
-
- PP(pp_gnbyaddr)
- {
- #ifdef HAS_SOCKET
- return pp_gnetent(ARGS);
- #else
- DIE(no_sock_func, "getnetbyaddr");
- #endif
- }
-
- PP(pp_gnetent)
- {
- dSP;
- #ifdef HAS_SOCKET
- I32 which = op->op_type;
- register char **elem;
- register SV *sv;
- struct netent *getnetbyname();
- struct netent *getnetbyaddr();
- struct netent *getnetent();
- struct netent *nent;
-
- if (which == OP_GNBYNAME)
- nent = getnetbyname(POPp);
- else if (which == OP_GNBYADDR) {
- int addrtype = POPi;
- unsigned long addr = U_L(POPn);
- nent = getnetbyaddr((long)addr, addrtype);
- }
- else
- nent = getnetent();
-
- EXTEND(SP, 4);
- if (GIMME != G_ARRAY) {
- PUSHs(sv = sv_newmortal());
- if (nent) {
- if (which == OP_GNBYNAME)
- sv_setiv(sv, (I32)nent->n_net);
- else
- sv_setpv(sv, nent->n_name);
- }
- RETURN;
- }
-
- if (nent) {
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, nent->n_name);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- for (elem = nent->n_aliases; *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)nent->n_addrtype);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)nent->n_net);
- }
-
- RETURN;
- #else
- DIE(no_sock_func, "getnetent");
- #endif
- }
-
- PP(pp_gpbyname)
- {
- #ifdef HAS_SOCKET
- return pp_gprotoent(ARGS);
- #else
- DIE(no_sock_func, "getprotobyname");
- #endif
- }
-
- PP(pp_gpbynumber)
- {
- #ifdef HAS_SOCKET
- return pp_gprotoent(ARGS);
- #else
- DIE(no_sock_func, "getprotobynumber");
- #endif
- }
-
- PP(pp_gprotoent)
- {
- dSP;
- #ifdef HAS_SOCKET
- I32 which = op->op_type;
- register char **elem;
- register SV *sv;
- struct protoent *getprotobyname();
- struct protoent *getprotobynumber();
- struct protoent *getprotoent();
- struct protoent *pent;
-
- if (which == OP_GPBYNAME)
- pent = getprotobyname(POPp);
- else if (which == OP_GPBYNUMBER)
- pent = getprotobynumber(POPi);
- else
- pent = getprotoent();
-
- EXTEND(SP, 3);
- if (GIMME != G_ARRAY) {
- PUSHs(sv = sv_newmortal());
- if (pent) {
- if (which == OP_GPBYNAME)
- sv_setiv(sv, (I32)pent->p_proto);
- else
- sv_setpv(sv, pent->p_name);
- }
- RETURN;
- }
-
- if (pent) {
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, pent->p_name);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- for (elem = pent->p_aliases; *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)pent->p_proto);
- }
-
- RETURN;
- #else
- DIE(no_sock_func, "getprotoent");
- #endif
- }
-
- PP(pp_gsbyname)
- {
- #ifdef HAS_SOCKET
- return pp_gservent(ARGS);
- #else
- DIE(no_sock_func, "getservbyname");
- #endif
- }
-
- PP(pp_gsbyport)
- {
- #ifdef HAS_SOCKET
- return pp_gservent(ARGS);
- #else
- DIE(no_sock_func, "getservbyport");
- #endif
- }
-
- PP(pp_gservent)
- {
- dSP;
- #ifdef HAS_SOCKET
- I32 which = op->op_type;
- register char **elem;
- register SV *sv;
- struct servent *getservbyname();
- struct servent *getservbynumber();
- struct servent *getservent();
- struct servent *sent;
-
- if (which == OP_GSBYNAME) {
- char *proto = POPp;
- char *name = POPp;
-
- if (proto && !*proto)
- proto = Nullch;
-
- sent = getservbyname(name, proto);
- }
- else if (which == OP_GSBYPORT) {
- char *proto = POPp;
- int port = POPi;
-
- sent = getservbyport(port, proto);
- }
- else
- sent = getservent();
-
- EXTEND(SP, 4);
- if (GIMME != G_ARRAY) {
- PUSHs(sv = sv_newmortal());
- if (sent) {
- if (which == OP_GSBYNAME) {
- #ifdef HAS_NTOHS
- sv_setiv(sv, (I32)ntohs(sent->s_port));
- #else
- sv_setiv(sv, (I32)(sent->s_port));
- #endif
- }
- else
- sv_setpv(sv, sent->s_name);
- }
- RETURN;
- }
-
- if (sent) {
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, sent->s_name);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- for (elem = sent->s_aliases; *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- PUSHs(sv = sv_mortalcopy(&sv_no));
- #ifdef HAS_NTOHS
- sv_setiv(sv, (I32)ntohs(sent->s_port));
- #else
- sv_setiv(sv, (I32)(sent->s_port));
- #endif
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, sent->s_proto);
- }
-
- RETURN;
- #else
- DIE(no_sock_func, "getservent");
- #endif
- }
-
- PP(pp_shostent)
- {
- dSP;
- #ifdef HAS_SOCKET
- sethostent(TOPi);
- RETSETYES;
- #else
- DIE(no_sock_func, "sethostent");
- #endif
- }
-
- PP(pp_snetent)
- {
- dSP;
- #ifdef HAS_SOCKET
- setnetent(TOPi);
- RETSETYES;
- #else
- DIE(no_sock_func, "setnetent");
- #endif
- }
-
- PP(pp_sprotoent)
- {
- dSP;
- #ifdef HAS_SOCKET
- setprotoent(TOPi);
- RETSETYES;
- #else
- DIE(no_sock_func, "setprotoent");
- #endif
- }
-
- PP(pp_sservent)
- {
- dSP;
- #ifdef HAS_SOCKET
- setservent(TOPi);
- RETSETYES;
- #else
- DIE(no_sock_func, "setservent");
- #endif
- }
-
- PP(pp_ehostent)
- {
- dSP;
- #ifdef HAS_SOCKET
- endhostent();
- EXTEND(sp,1);
- RETPUSHYES;
- #else
- DIE(no_sock_func, "endhostent");
- #endif
- }
-
- PP(pp_enetent)
- {
- dSP;
- #ifdef HAS_SOCKET
- endnetent();
- EXTEND(sp,1);
- RETPUSHYES;
- #else
- DIE(no_sock_func, "endnetent");
- #endif
- }
-
- PP(pp_eprotoent)
- {
- dSP;
- #ifdef HAS_SOCKET
- endprotoent();
- EXTEND(sp,1);
- RETPUSHYES;
- #else
- DIE(no_sock_func, "endprotoent");
- #endif
- }
-
- PP(pp_eservent)
- {
- dSP;
- #ifdef HAS_SOCKET
- endservent();
- EXTEND(sp,1);
- RETPUSHYES;
- #else
- DIE(no_sock_func, "endservent");
- #endif
- }
-
- PP(pp_gpwnam)
- {
- #ifdef HAS_PASSWD
- return pp_gpwent(ARGS);
- #else
- DIE(no_func, "getpwnam");
- #endif
- }
-
- PP(pp_gpwuid)
- {
- #ifdef HAS_PASSWD
- return pp_gpwent(ARGS);
- #else
- DIE(no_func, "getpwuid");
- #endif
- }
-
- PP(pp_gpwent)
- {
- dSP;
- #ifdef HAS_PASSWD
- I32 which = op->op_type;
- register SV *sv;
- struct passwd *pwent;
-
- if (which == OP_GPWNAM)
- pwent = getpwnam(POPp);
- else if (which == OP_GPWUID)
- pwent = getpwuid(POPi);
- else
- pwent = (struct passwd *)getpwent();
-
- EXTEND(SP, 10);
- if (GIMME != G_ARRAY) {
- PUSHs(sv = sv_newmortal());
- if (pwent) {
- if (which == OP_GPWNAM)
- sv_setiv(sv, (I32)pwent->pw_uid);
- else
- sv_setpv(sv, pwent->pw_name);
- }
- RETURN;
- }
-
- if (pwent) {
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, pwent->pw_name);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, pwent->pw_passwd);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)pwent->pw_uid);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)pwent->pw_gid);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- #ifdef PWCHANGE
- sv_setiv(sv, (I32)pwent->pw_change);
- #else
- #ifdef PWQUOTA
- sv_setiv(sv, (I32)pwent->pw_quota);
- #else
- #ifdef PWAGE
- sv_setpv(sv, pwent->pw_age);
- #endif
- #endif
- #endif
- PUSHs(sv = sv_mortalcopy(&sv_no));
- #ifdef PWCLASS
- sv_setpv(sv, pwent->pw_class);
- #else
- #ifdef PWCOMMENT
- sv_setpv(sv, pwent->pw_comment);
- #endif
- #endif
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, pwent->pw_gecos);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, pwent->pw_dir);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, pwent->pw_shell);
- #ifdef PWEXPIRE
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)pwent->pw_expire);
- #endif
- }
- RETURN;
- #else
- DIE(no_func, "getpwent");
- #endif
- }
-
- PP(pp_spwent)
- {
- dSP;
- #ifdef HAS_PASSWD
- setpwent();
- RETPUSHYES;
- #else
- DIE(no_func, "setpwent");
- #endif
- }
-
- PP(pp_epwent)
- {
- dSP;
- #ifdef HAS_PASSWD
- endpwent();
- RETPUSHYES;
- #else
- DIE(no_func, "endpwent");
- #endif
- }
-
- PP(pp_ggrnam)
- {
- #ifdef HAS_GROUP
- return pp_ggrent(ARGS);
- #else
- DIE(no_func, "getgrnam");
- #endif
- }
-
- PP(pp_ggrgid)
- {
- #ifdef HAS_GROUP
- return pp_ggrent(ARGS);
- #else
- DIE(no_func, "getgrgid");
- #endif
- }
-
- PP(pp_ggrent)
- {
- dSP;
- #ifdef HAS_GROUP
- I32 which = op->op_type;
- register char **elem;
- register SV *sv;
- struct group *grent;
-
- if (which == OP_GGRNAM)
- grent = (struct group *)getgrnam(POPp);
- else if (which == OP_GGRGID)
- grent = (struct group *)getgrgid(POPi);
- else
- grent = (struct group *)getgrent();
-
- EXTEND(SP, 4);
- if (GIMME != G_ARRAY) {
- PUSHs(sv = sv_newmortal());
- if (grent) {
- if (which == OP_GGRNAM)
- sv_setiv(sv, (I32)grent->gr_gid);
- else
- sv_setpv(sv, grent->gr_name);
- }
- RETURN;
- }
-
- if (grent) {
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, grent->gr_name);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setpv(sv, grent->gr_passwd);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)grent->gr_gid);
- PUSHs(sv = sv_mortalcopy(&sv_no));
- for (elem = grent->gr_mem; *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- }
-
- RETURN;
- #else
- DIE(no_func, "getgrent");
- #endif
- }
-
- PP(pp_sgrent)
- {
- dSP;
- #ifdef HAS_GROUP
- setgrent();
- RETPUSHYES;
- #else
- DIE(no_func, "setgrent");
- #endif
- }
-
- PP(pp_egrent)
- {
- dSP;
- #ifdef HAS_GROUP
- endgrent();
- RETPUSHYES;
- #else
- DIE(no_func, "endgrent");
- #endif
- }
-
- PP(pp_getlogin)
- {
- dSP; dTARGET;
- #ifdef HAS_GETLOGIN
- char *tmps;
- EXTEND(SP, 1);
- if (!(tmps = getlogin()))
- RETPUSHUNDEF;
- PUSHp(tmps, strlen(tmps));
- RETURN;
- #else
- DIE(no_func, "getlogin");
- #endif
- }
-
- /* Miscellaneous. */
-
- PP(pp_syscall)
- {
- #ifdef HAS_SYSCALL
- dSP; dMARK; dORIGMARK; dTARGET;
- register I32 items = SP - MARK;
- unsigned long a[20];
- register I32 i = 0;
- I32 retval = -1;
- MAGIC *mg;
-
- if (tainting) {
- while (++MARK <= SP) {
- if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
- (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
- tainted = TRUE;
- }
- MARK = ORIGMARK;
- TAINT_PROPER("syscall");
- }
-
- /* This probably won't work on machines where sizeof(long) != sizeof(int)
- * or where sizeof(long) != sizeof(char*). But such machines will
- * not likely have syscall implemented either, so who cares?
- */
- while (++MARK <= SP) {
- if (SvNIOK(*MARK) || !i)
- a[i++] = SvIV(*MARK);
- else if (*MARK == &sv_undef)
- a[i++] = 0;
- else
- a[i++] = (unsigned long)SvPV_force(*MARK, na);
- if (i > 15)
- break;
- }
- switch (items) {
- default:
- DIE("Too many args to syscall");
- case 0:
- DIE("Too few args to syscall");
- case 1:
- retval = syscall(a[0]);
- break;
- case 2:
- retval = syscall(a[0],a[1]);
- break;
- case 3:
- retval = syscall(a[0],a[1],a[2]);
- break;
- case 4:
- retval = syscall(a[0],a[1],a[2],a[3]);
- break;
- case 5:
- retval = syscall(a[0],a[1],a[2],a[3],a[4]);
- break;
- case 6:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
- break;
- case 7:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
- break;
- case 8:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
- break;
- #ifdef atarist
- case 9:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
- break;
- case 10:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
- break;
- case 11:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
- a[10]);
- break;
- case 12:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
- a[10],a[11]);
- break;
- case 13:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
- a[10],a[11],a[12]);
- break;
- case 14:
- retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
- a[10],a[11],a[12],a[13]);
- break;
- #endif /* atarist */
- }
- SP = ORIGMARK;
- PUSHi(retval);
- RETURN;
- #else
- DIE(no_func, "syscall");
- #endif
- }
-
- #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
-
- /* XXX Emulate flock() with lockf(). This is just to increase
- portability of scripts. The calls are not completely
- interchangeable. What's really needed is a good file
- locking module.
- */
-
- /* We might need <unistd.h> because it sometimes defines the lockf()
- constants. Unfortunately, <unistd.h> causes troubles on some mixed
- (BSD/POSIX) systems, such as SunOS 4.1.3. We could just try including
- <unistd.h> here in this part of the file, but that might
- conflict with various other #defines and includes above, such as
- #define vfork fork above.
-
- Further, the lockf() constants aren't POSIX, so they might not be
- visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
- just stick in the SVID values and be done with it. Sigh.
- */
-
- # ifndef F_ULOCK
- # define F_ULOCK 0 /* Unlock a previously locked region */
- # endif
- # ifndef F_LOCK
- # define F_LOCK 1 /* Lock a region for exclusive use */
- # endif
- # ifndef F_TLOCK
- # define F_TLOCK 2 /* Test and lock a region for exclusive use */
- # endif
- # ifndef F_TEST
- # define F_TEST 3 /* Test a region for other processes locks */
- # endif
-
- /* These are the flock() constants. Since this sytems doesn't have
- flock(), the values of the constants are probably not available.
- */
- # ifndef LOCK_SH
- # define LOCK_SH 1
- # endif
- # ifndef LOCK_EX
- # define LOCK_EX 2
- # endif
- # ifndef LOCK_NB
- # define LOCK_NB 4
- # endif
- # ifndef LOCK_UN
- # define LOCK_UN 8
- # endif
-
- int
- lockf_emulate_flock (fd, operation)
- int fd;
- int operation;
- {
- int i;
- switch (operation) {
-
- /* LOCK_SH - get a shared lock */
- case LOCK_SH:
- /* LOCK_EX - get an exclusive lock */
- case LOCK_EX:
- i = lockf (fd, F_LOCK, 0);
- break;
-
- /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
- case LOCK_SH|LOCK_NB:
- /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
- case LOCK_EX|LOCK_NB:
- i = lockf (fd, F_TLOCK, 0);
- if (i == -1)
- if ((errno == EAGAIN) || (errno == EACCES))
- errno = EWOULDBLOCK;
- break;
-
- /* LOCK_UN - unlock */
- case LOCK_UN:
- i = lockf (fd, F_ULOCK, 0);
- break;
-
- /* Default - can't decipher operation */
- default:
- i = -1;
- errno = EINVAL;
- break;
- }
- return (i);
- }
- #endif
-