/* pp_sys.c
*
- * Copyright (c) 1991-1994, Larry Wall
+ * Copyright (c) 1991-1997, 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.
# include <sys/resource.h>
#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>
#endif
#ifdef I_UTIME
-#include <utime.h>
+# ifdef WIN32
+# include <sys/utime.h>
+# else
+# include <utime.h>
+# endif
#endif
#ifdef I_FCNTL
#include <fcntl.h>
#include <sys/file.h>
#endif
+/* Put this after #includes because fork and vfork prototypes may conflict. */
+#ifndef HAS_VFORK
+# define vfork fork
+#endif
+
+/* Put this after #includes because <unistd.h> defines _XOPEN_*. */
+#ifndef Sock_size_t
+# if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
+# define Sock_size_t Size_t
+# else
+# define Sock_size_t int
+# endif
+#endif
+
#if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
static int dooneliner _((char *cmd, char *filename));
#endif
#ifdef HAS_CHSIZE
+# ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
+# undef my_chsize
+# endif
# define my_chsize chsize
#endif
+#ifdef HAS_FLOCK
+# define FLOCK flock
+#else /* no flock() */
+
+ /* fcntl.h might not have been included, even if it exists, because
+ the current Configure only sets I_FCNTL if it's needed to pick up
+ the *_OK constants. Make sure it has been included before testing
+ the fcntl() locking constants. */
+# if defined(HAS_FCNTL) && !defined(I_FCNTL)
+# include <fcntl.h>
+# endif
+
+# if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
+# define FLOCK fcntl_emulate_flock
+# define FCNTL_EMULATE_FLOCK
+# else /* no flock() or fcntl(F_SETLK,...) */
+# ifdef HAS_LOCKF
+# define FLOCK lockf_emulate_flock
+# define LOCKF_EMULATE_FLOCK
+# endif /* lockf */
+# endif /* no flock() or fcntl(F_SETLK,...) */
+
+# ifdef FLOCK
+ static int FLOCK _((int, int));
+
+ /*
+ * 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
+# endif /* emulating flock() */
+
+#endif /* no flock() */
+
+#ifndef MAXPATHLEN
+# ifdef PATH_MAX
+# define MAXPATHLEN PATH_MAX
+# else
+# define MAXPATHLEN 1024
+# endif
+#endif
+
+#define ZBTLEN 10
+static char zero_but_true[ZBTLEN + 1] = "0 but true";
+
/* Pushy I/O. */
PP(pp_backtick)
dSP; dTARGET;
PerlIO *fp;
char *tmps = POPp;
+ I32 gimme = GIMME_V;
+
TAINT_PROPER("``");
fp = my_popen(tmps, "r");
if (fp) {
- sv_setpv(TARG, ""); /* note that this preserves previous buffer */
- if (GIMME == G_SCALAR) {
+ if (gimme == G_VOID) {
+ while (PerlIO_read(fp, tokenbuf, sizeof tokenbuf) > 0)
+ /*SUPPRESS 530*/
+ ;
+ }
+ else if (gimme == G_SCALAR) {
+ sv_setpv(TARG, ""); /* note that this preserves previous buffer */
while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
/*SUPPRESS 530*/
;
XPUSHs(TARG);
+ SvTAINTED_on(TARG);
}
else {
SV *sv;
SvLEN_set(sv, SvCUR(sv)+1);
Renew(SvPVX(sv), SvLEN(sv), char);
}
+ SvTAINTED_on(sv);
}
}
- statusvalue = FIXSTATUS(my_pclose(fp));
+ STATUS_NATIVE_SET(my_pclose(fp));
+ TAINT; /* "I believe that this is not gratuitous!" */
}
else {
- statusvalue = -1;
- if (GIMME == G_SCALAR)
+ STATUS_NATIVE_SET(-1);
+ if (gimme == G_SCALAR)
RETPUSHUNDEF;
}
#ifndef CSH
*SvPVX(rs) = '\n';
#endif /* !CSH */
-#endif /* !MSDOS */
+#endif /* !DOSISH */
result = do_readline();
LEAVE;
if (MAXARG > 1)
sv = POPs;
- else if (SvTYPE(TOPs) == SVt_PVGV)
- sv = GvSV(TOPs);
- else
+ if (!isGV(TOPs))
DIE(no_usym, "filehandle");
+ if (MAXARG <= 1)
+ sv = GvSV(TOPs);
gv = (GV*)POPs;
+ if (!isGV(gv))
+ DIE(no_usym, "filehandle");
+ if (GvIOp(gv))
+ IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
tmps = SvPV(sv, len);
- if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
- IoLINES(GvIOp(gv)) = 0;
+ if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
PUSHi( (I32)forkprocess );
- }
else if (forkprocess == 0) /* we are a new child */
PUSHi(0);
else
else
gv = (GV*)POPs;
EXTEND(SP, 1);
- PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
+ PUSHs(boolSV(do_close(gv, TRUE)));
RETURN;
}
EXTEND(SP, 1);
if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
- RETSETUNDEF;
+ RETPUSHUNDEF;
#ifdef DOSISH
#ifdef atarist
SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
I32 markoff = mark - stack_base - 1;
char *methname;
+ bool oldcatch = CATCH_GET;
varsv = mark[0];
if (SvTYPE(varsv) == SVt_PVHV)
methname = "TIESCALAR";
stash = gv_stashsv(mark[1], FALSE);
- if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
+ if (!stash || !(gv = gv_fetchmethod(stash, methname)))
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;
+ myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
+ CATCH_SET(TRUE);
ENTER;
SAVESPTR(op);
if (perldb && curstash != debstash)
op->op_private |= OPpENTERSUB_DB;
- XPUSHs((SV*)gv);
+ XPUSHs((SV*)GvCV(gv));
PUTBACK;
if (op = pp_entersub())
runops();
SPAGAIN;
+ CATCH_SET(oldcatch);
sv = TOPs;
if (sv_isobject(sv)) {
if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
SV * sv ;
sv = POPs;
- if (hints & HINT_STRICT_UNTIE)
- {
+
+ if (dowarn) {
MAGIC * mg ;
if (SvMAGICAL(sv)) {
if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
mg = mg_find(sv, 'q') ;
if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
- croak("Can't untie: %d inner references still exist",
- SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
+ warn("untie attempted while %lu inner references still exist",
+ (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
}
}
sv_unmagic(sv, 'P');
else
sv_unmagic(sv, 'q');
- RETSETYES;
+ RETPUSHYES;
}
PP(pp_tied)
GV *gv;
BINOP myop;
SV *sv;
+ bool oldcatch = CATCH_GET;
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)) {
+ if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
PUTBACK;
perl_require_pv("AnyDBM_File.pm");
SPAGAIN;
- if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
+ if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
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;
+ myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
+ CATCH_SET(TRUE);
ENTER;
SAVESPTR(op);
else
PUSHs(sv_2mortal(newSViv(O_RDWR)));
PUSHs(right);
- PUSHs((SV*)gv);
+ PUSHs((SV*)GvCV(gv));
PUTBACK;
if (op = pp_entersub())
PUSHs(left);
PUSHs(sv_2mortal(newSViv(O_RDONLY)));
PUSHs(right);
- PUSHs((SV*)gv);
+ PUSHs((SV*)GvCV(gv));
PUTBACK;
if (op = pp_entersub())
SPAGAIN;
}
+ CATCH_SET(oldcatch);
if (sv_isobject(TOPs))
sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
LEAVE;
}
#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
-#ifdef __linux__
+#if defined(__linux__) || defined(OS2)
growsize = sizeof(fd_set);
#else
growsize = maxlen; /* little endians can use vecs directly */
XPUSHs(&sv_undef);
else {
GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
- if (gvp && *gvp == egv)
- gv_efullname(TARG, defoutgv);
- else
- sv_setsv(TARG, sv_2mortal(newRV((SV*)egv)));
- XPUSHTARG;
+ if (gvp && *gvp == egv) {
+ gv_efullname3(TARG, defoutgv, Nullch);
+ XPUSHTARG;
+ }
+ else {
+ XPUSHs(sv_2mortal(newRV((SV*)egv)));
+ }
}
if (newdefout) {
{
dSP; dTARGET;
GV *gv;
+ MAGIC *mg;
if (MAXARG <= 0)
gv = stdingv;
gv = (GV*)POPs;
if (!gv)
gv = argvgv;
+
+ if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
+ I32 gimme = GIMME_V;
+ PUSHMARK(SP);
+ XPUSHs(mg->mg_obj);
+ PUTBACK;
+ ENTER;
+ perl_call_method("GETC", gimme);
+ LEAVE;
+ SPAGAIN;
+ if (gimme == G_SCALAR)
+ SvSetMagicSV_nosteal(TARG, TOPs);
+ RETURN;
+ }
if (!gv || do_eof(gv)) /* make sure we have fp with something */
RETPUSHUNDEF;
- TAINT_IF(1);
+ TAINT;
sv_setpv(TARG, " ");
*SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
PUSHTARG;
OP *retop;
{
register CONTEXT *cx;
- I32 gimme = GIMME;
+ I32 gimme = GIMME_V;
AV* padlist = CvPADLIST(cv);
SV** svp = AvARRAY(padlist);
fgv = gv;
cv = GvFORM(fgv);
-
if (!cv) {
if (fgv) {
SV *tmpsv = sv_newmortal();
- gv_efullname(tmpsv, gv);
+ gv_efullname3(tmpsv, fgv, Nullch);
DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
}
DIE("Not a format reference");
}
- IoFLAGS(io) &= ~IOf_DIDTOP;
+ if (CvCLONE(cv))
+ cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
+ IoFLAGS(io) &= ~IOf_DIDTOP;
return doform(cv,gv,op->op_next);
}
CV *cv;
if (!IoTOP_GV(io)) {
GV *topgv;
- char tmpbuf[256];
+ SV *topname;
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);
+ topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
+ topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
if ((topgv && GvFORM(topgv)) ||
!gv_fetchpv("top",FALSE,SVt_PVFM))
- IoTOP_NAME(io) = savepv(tmpbuf);
+ IoTOP_NAME(io) = savepv(SvPVX(topname));
else
IoTOP_NAME(io) = savepv("top");
}
cv = GvFORM(fgv);
if (!cv) {
SV *tmpsv = sv_newmortal();
- gv_efullname(tmpsv, fgv);
+ gv_efullname3(tmpsv, fgv, Nullch);
DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
}
+ if (CvCLONE(cv))
+ cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
return doform(cv,gv,op);
}
GV *gv;
IO *io;
PerlIO *fp;
- SV *sv = NEWSV(0,0);
+ SV *sv;
+ MAGIC *mg;
if (op->op_flags & OPf_STACKED)
gv = (GV*)*++MARK;
else
gv = defoutgv;
+
+ if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
+ if (MARK == ORIGMARK) {
+ EXTEND(SP, 1);
+ ++MARK;
+ Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
+ ++SP;
+ }
+ PUSHMARK(MARK - 1);
+ *MARK = mg->mg_obj;
+ PUTBACK;
+ ENTER;
+ perl_call_method("PRINTF", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ MARK = ORIGMARK + 1;
+ *MARK = *SP;
+ SP = MARK;
+ RETURN;
+ }
+
+ sv = NEWSV(0,0);
if (!(io = GvIO(gv))) {
if (dowarn) {
- gv_fullname(sv,gv);
+ gv_fullname3(sv, gv, Nullch);
warn("Filehandle %s never opened", SvPV(sv,na));
}
SETERRNO(EBADF,RMS$_IFI);
}
else if (!(fp = IoOFP(io))) {
if (dowarn) {
- gv_fullname(sv,gv);
+ gv_fullname3(sv, gv, Nullch);
if (IoIFP(io))
warn("Filehandle %s opened only for input", SvPV(sv,na));
else
goto just_say_no;
}
else {
+#ifdef USE_LOCALE_NUMERIC
+ if (op->op_private & OPpLOCALE)
+ SET_NUMERIC_LOCAL();
+ else
+ SET_NUMERIC_STANDARD();
+#endif
do_sprintf(sv, SP - MARK, MARK + 1);
if (!do_print(sv, fp))
goto just_say_no;
GV *gv;
IO *io;
char *buffer;
- int length;
- int bufsize;
+ SSize_t length;
+ Sock_size_t bufsize;
SV *bufsv;
STRLEN blen;
+ MAGIC *mg;
gv = (GV*)*++MARK;
+ if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
+ SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
+ {
+ SV *sv;
+
+ PUSHMARK(MARK-1);
+ *MARK = mg->mg_obj;
+ ENTER;
+ perl_call_method("READ", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ sv = POPs;
+ SP = ORIGMARK;
+ PUSHs(sv);
+ RETURN;
+ }
+
if (!gv)
goto say_undef;
bufsv = *++MARK;
+ if (! SvOK(bufsv))
+ sv_setpvn(bufsv, "", 0);
buffer = SvPV_force(bufsv, blen);
length = SvIVx(*++MARK);
if (length < 0)
goto say_undef;
#ifdef HAS_SOCKET
if (op->op_type == OP_RECV) {
- bufsize = sizeof buf;
+ char namebuf[MAXPATHLEN];
+ bufsize = sizeof namebuf;
buffer = SvGROW(bufsv, length+1);
+ /* 'offset' means 'flags' here */
length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
- (struct sockaddr *)buf, &bufsize);
+ (struct sockaddr *)namebuf, &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);
+ /* This should not be marked tainted if the fp is marked clean */
+ if (!(IoFLAGS(io) & IOf_UNTAINT))
+ SvTAINTED_on(bufsv);
SP = ORIGMARK;
- sv_setpvn(TARG, buf, bufsize);
+ sv_setpvn(TARG, namebuf, bufsize);
PUSHs(TARG);
RETURN;
}
if (op->op_type == OP_RECV)
DIE(no_sock_func, "recv");
#endif
+ if (offset < 0) {
+ if (-offset > blen)
+ DIE("Offset outside string");
+ offset += blen;
+ }
+ bufsize = SvCUR(bufsv);
buffer = SvGROW(bufsv, length+offset+1);
+ if (offset > bufsize) { /* Zero any newly allocated space */
+ Zero(buffer+bufsize, offset-bufsize, char);
+ }
if (op->op_type == OP_SYSREAD) {
length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
}
else
#ifdef HAS_SOCKET__bad_code_maybe
if (IoTYPE(io) == 's') {
- bufsize = sizeof buf;
+ char namebuf[MAXPATHLEN];
+ bufsize = sizeof namebuf;
length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
- (struct sockaddr *)buf, &bufsize);
+ (struct sockaddr *)namebuf, &bufsize);
}
else
#endif
*SvEND(bufsv) = '\0';
(void)SvPOK_only(bufsv);
SvSETMAGIC(bufsv);
- if (tainting)
- sv_magic(bufsv, Nullsv, 't', Nullch, 0);
+ /* This should not be marked tainted if the fp is marked clean */
+ if (!(IoFLAGS(io) & IOf_UNTAINT))
+ SvTAINTED_on(bufsv);
SP = ORIGMARK;
PUSHi(length);
RETURN;
}
}
else if (op->op_type == OP_SYSWRITE) {
- if (MARK < SP)
+ if (MARK < SP) {
offset = SvIVx(*++MARK);
- else
+ if (offset < 0) {
+ if (-offset > blen)
+ DIE("Offset outside string");
+ offset += blen;
+ } else if (offset >= blen)
+ DIE("Offset outside string");
+ } else
offset = 0;
if (length > blen - offset)
length = blen - offset;
gv = last_in_gv;
else
gv = last_in_gv = (GV*)POPs;
- PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
+ PUSHs(boolSV(!gv || do_eof(gv)));
RETURN;
}
PP(pp_seek)
{
+ return pp_sysseek(ARGS);
+}
+
+PP(pp_sysseek)
+{
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 );
+ if (op->op_type == OP_SEEK)
+ PUSHs(boolSV(do_seek(gv, offset, whence)));
+ else {
+ long n = do_sysseek(gv, offset, whence);
+ PUSHs((n < 0) ? &sv_undef
+ : sv_2mortal(n ? newSViv((IV)n)
+ : newSVpv(zero_but_true, ZBTLEN)));
+ }
RETURN;
}
SETERRNO(0,0);
#if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
if (op->op_flags & OPf_SPECIAL) {
- tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
+ tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
do_ftruncate:
+ TAINT_PROPER("truncate");
if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
#ifdef HAS_TRUNCATE
ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
}
else {
SV *sv = POPs;
+ char *name;
+
if (SvTYPE(sv) == SVt_PVGV) {
tmpgv = (GV*)sv; /* *main::FRED for example */
goto do_ftruncate;
tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
goto do_ftruncate;
}
+
+ name = SvPV(sv, na);
+ TAINT_PROPER("truncate");
#ifdef HAS_TRUNCATE
- if (truncate (SvPV (sv, na), len) < 0)
+ if (truncate(name, len) < 0)
result = 0;
#else
{
int tmpfd;
-
- if ((tmpfd = open(SvPV (sv, na), 0)) < 0)
- result = 0;
+ if ((tmpfd = open(name, O_RDWR)) < 0)
+ result = 0;
else {
if (my_chsize(tmpfd, len) < 0)
result = 0;
unsigned int func = U_I(POPn);
int optype = op->op_type;
char *s;
- int retval;
+ IV retval;
GV *gv = (GV*)POPs;
IO *io = GvIOn(gv);
if (SvPOK(argsv) || !SvNIOK(argsv)) {
STRLEN len;
+ STRLEN need;
s = SvPV_force(argsv, len);
- retval = IOCPARM_LEN(func);
- if (len < retval) {
- s = Sv_Grow(argsv, retval+1);
- SvCUR_set(argsv, retval);
+ need = IOCPARM_LEN(func);
+ if (len < need) {
+ s = Sv_Grow(argsv, need + 1);
+ SvCUR_set(argsv, need);
}
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");
DIE("ioctl is not implemented");
#endif
else
-#if defined(DOSISH) && !defined(OS2)
- DIE("fcntl is not implemented");
-#else
-# ifdef HAS_FCNTL
-# if defined(OS2) && defined(__EMX__)
+#ifdef HAS_FCNTL
+#if defined(OS2) && defined(__EMX__)
retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
-# else
+#else
retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
-# endif
-# else
+#endif
+#else
DIE("fcntl is not implemented");
-# endif
#endif
if (SvPOK(argsv)) {
PUSHi(retval);
}
else {
- PUSHp("0 but true", 10);
+ PUSHp(zero_but_true, ZBTLEN);
}
RETURN;
}
GV *gv;
PerlIO *fp;
-#if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
-# define flock lockf_emulate_flock
-#endif
-
-#if defined(HAS_FLOCK) || defined(flock)
+#ifdef FLOCK
argtype = POPi;
if (MAXARG <= 0)
gv = last_in_gv;
else
fp = Nullfp;
if (fp) {
- value = (I32)(flock(PerlIO_fileno(fp), argtype) >= 0);
+ (void)PerlIO_flush(fp);
+ value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
}
else
value = 0;
register IO *nstio;
register IO *gstio;
struct sockaddr saddr; /* use a struct to avoid alignment problems */
- int len = sizeof saddr;
+ Sock_size_t len = sizeof saddr;
int fd;
ggv = (GV*)POPs;
unsigned int lvl;
GV *gv;
register IO *io;
- int aint;
+ Sock_size_t len;
if (optype == OP_GSOCKOPT)
sv = sv_2mortal(NEWSV(22, 257));
(void)SvPOK_only(sv);
SvCUR_set(sv,256);
*SvEND(sv) ='\0';
- aint = SvCUR(sv);
- if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
+ len = SvCUR(sv);
+ if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
goto nuts2;
- SvCUR_set(sv,aint);
+ SvCUR_set(sv, len);
*SvEND(sv) ='\0';
PUSHs(sv);
break;
case OP_SSOCKOPT: {
- STRLEN len = 0;
- char *buf = 0;
- if (SvPOKp(sv))
- buf = SvPV(sv, len);
+ char *buf;
+ int aint;
+ if (SvPOKp(sv)) {
+ buf = SvPV(sv, na);
+ len = na;
+ }
else if (SvOK(sv)) {
aint = (int)SvIV(sv);
buf = (char*)&aint;
len = sizeof(int);
}
- if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
+ if (setsockopt(fd, lvl, optname, buf, len) < 0)
goto nuts2;
PUSHs(&sv_yes);
}
int fd;
GV *gv = (GV*)POPs;
register IO *io = GvIOn(gv);
- int aint;
+ Sock_size_t len;
if (!io || !IoIFP(io))
goto nuts;
sv = sv_2mortal(NEWSV(22, 257));
(void)SvPOK_only(sv);
- SvCUR_set(sv,256);
+ len = 256;
+ SvCUR_set(sv, len);
*SvEND(sv) ='\0';
- aint = SvCUR(sv);
fd = PerlIO_fileno(IoIFP(io));
switch (optype) {
case OP_GETSOCKNAME:
- if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
+ if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
goto nuts2;
break;
case OP_GETPEERNAME:
- if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
+ if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
goto nuts2;
break;
}
- SvCUR_set(sv,aint);
+#ifdef BOGUS_GETNAME_RETURN
+ /* Interactive Unix, getpeername() and getsockname()
+ does not return valid namelen */
+ if (len == BOGUS_GETNAME_RETURN)
+ len = sizeof(struct sockaddr);
+#endif
+ SvCUR_set(sv, len);
*SvEND(sv) ='\0';
PUSHs(sv);
RETURN;
{
dSP;
GV *tmpgv;
+ I32 gimme;
I32 max = 13;
if (op->op_flags & OPf_REF) {
laststype = OP_STAT;
statgv = tmpgv;
sv_setpv(statname, "");
- if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
- Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
- max = 0;
- laststatval = -1;
- }
+ laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
+ ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
}
- else if (laststatval < 0)
+ if (laststatval < 0)
max = 0;
}
else {
}
}
- EXTEND(SP, 13);
- if (GIMME != G_ARRAY) {
- if (max)
- RETPUSHYES;
- else
- RETPUSHUNDEF;
+ gimme = GIMME_V;
+ if (gimme != G_ARRAY) {
+ if (gimme != G_VOID)
+ XPUSHs(boolSV(max));
+ RETURN;
}
if (max) {
+ EXTEND(SP, max);
+ EXTEND_MORTAL(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)));
STDCHAR tbuf[512];
register STDCHAR *s;
register IO *io;
- SV *sv;
+ register SV *sv;
+ GV *gv;
- if (op->op_flags & OPf_REF) {
+ if (op->op_flags & OPf_REF)
+ gv = cGVOP->op_gv;
+ else if (isGV(TOPs))
+ gv = (GV*)POPs;
+ else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
+ gv = (GV*)SvRV(POPs);
+ else
+ gv = Nullgv;
+
+ if (gv) {
EXTEND(SP, 1);
- if (cGVOP->op_gv == defgv) {
+ if (gv == defgv) {
if (statgv)
io = GvIO(statgv);
else {
}
}
else {
- statgv = cGVOP->op_gv;
+ statgv = gv;
+ laststatval = -1;
sv_setpv(statname, "");
io = GvIO(statgv);
}
if (io && IoIFP(io)) {
- if (PerlIO_has_base(IoIFP(io))) {
- Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
+ if (! PerlIO_has_base(IoIFP(io)))
+ DIE("-T and -B not implemented on filehandles");
+ laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
+ if (laststatval < 0)
+ RETPUSHUNDEF;
if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
if (op->op_type == OP_FTTEXT)
RETPUSHNO;
/* sfio can have large buffers - limit to 512 */
if (len > 512)
len = 512;
- }
- else {
- DIE("-T and -B not implemented on filehandles");
- }
}
else {
if (dowarn)
}
else {
sv = POPs;
+ really_filename:
statgv = Nullgv;
+ laststatval = -1;
sv_setpv(statname, SvPV(sv, na));
- really_filename:
#ifdef HAS_OPEN3
i = open(SvPV(sv, na), O_RDONLY, 0);
#else
warn(warn_nl, "open");
RETPUSHUNDEF;
}
- Fstat(i, &statcache);
+ laststatval = Fstat(i, &statcache);
+ if (laststatval < 0)
+ RETPUSHUNDEF;
len = read(i, tbuf, 512);
(void)close(i);
if (len <= 0) {
#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);
+ if (!(anum = Stat(tmps, &statbuf))) {
+ 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 );
dSP; dTARGET;
#ifdef HAS_SYMLINK
char *tmps;
+ char buf[MAXPATHLEN];
int len;
+
tmps = POPp;
len = readlink(tmps, buf, sizeof buf);
EXTEND(SP, 1);
char *cmd;
char *filename;
{
- char mybuf[8192];
- char *s,
- *save_filename = filename;
- int anum = 1;
+ char *save_filename = filename;
+ char *cmdline;
+ char *s;
PerlIO *myfp;
+ int anum = 1;
- strcpy(mybuf, cmd);
- strcat(mybuf, " ");
- for (s = mybuf+strlen(mybuf); *filename; ) {
+ New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
+ strcpy(cmdline, cmd);
+ strcat(cmdline, " ");
+ for (s = cmdline + strlen(cmdline); *filename; ) {
*s++ = '\\';
*s++ = *filename++;
}
strcpy(s, " 2>&1");
- myfp = my_popen(mybuf, "r");
+ myfp = my_popen(cmdline, "r");
+ Safefree(cmdline);
+
if (myfp) {
- *mybuf = '\0';
+ SV *tmpsv = sv_newmortal();
/* Need to save/restore 'rs' ?? */
s = sv_gets(tmpsv, myfp, 0);
(void)my_pclose(myfp);
if (s != Nullch) {
- for (errno = 1; errno < sys_nerr; errno++) {
+ int e;
+ for (e = 1;
#ifdef HAS_SYS_ERRLIST
- if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
- return 0;
+ e <= sys_nerr
+#endif
+ ; e++)
+ {
+ /* you don't see this */
+ char *errmsg =
+#ifdef HAS_SYS_ERRLIST
+ sys_errlist[e]
#else
- char *errmsg; /* especially if it isn't there */
-
- if (instr(mybuf,
- (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
- return 0;
+ strerror(e)
#endif
+ ;
+ if (!errmsg)
+ break;
+ if (instr(s, errmsg)) {
+ SETERRNO(e,0);
+ return 0;
+ }
}
SETERRNO(0,0);
#ifndef EACCES
#define EACCES EPERM
#endif
- if (instr(mybuf, "cannot make"))
+ if (instr(s, "cannot make"))
SETERRNO(EEXIST,RMS$_FEX);
- else if (instr(mybuf, "existing file"))
+ else if (instr(s, "existing file"))
SETERRNO(EEXIST,RMS$_FEX);
- else if (instr(mybuf, "ile exists"))
+ else if (instr(s, "ile exists"))
SETERRNO(EEXIST,RMS$_FEX);
- else if (instr(mybuf, "non-exist"))
+ else if (instr(s, "non-exist"))
SETERRNO(ENOENT,RMS$_FNF);
- else if (instr(mybuf, "does not exist"))
+ else if (instr(s, "does not exist"))
SETERRNO(ENOENT,RMS$_FNF);
- else if (instr(mybuf, "not empty"))
+ else if (instr(s, "not empty"))
SETERRNO(EBUSY,SS$_DEVOFFLINE);
- else if (instr(mybuf, "cannot access"))
+ else if (instr(s, "cannot access"))
SETERRNO(EACCES,RMS$_PRV);
else
SETERRNO(EPERM,RMS$_PRV);
TAINT_PROPER("mkdir");
#ifdef HAS_MKDIR
- SETi( mkdir(tmps, mode) >= 0 );
+ SETi( Mkdir(tmps, mode) >= 0 );
#else
SETi( dooneliner("mkdir", tmps) );
oldumask = umask(0);
PP(pp_fork)
{
+#ifdef HAS_FORK
dSP; dTARGET;
int childpid;
GV *tmpgv;
EXTEND(SP, 1);
-#ifdef HAS_FORK
childpid = fork();
if (childpid < 0)
RETSETUNDEF;
if (!childpid) {
/*SUPPRESS 560*/
if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
- sv_setiv(GvSV(tmpgv), (I32)getpid());
+ sv_setiv(GvSV(tmpgv), (IV)getpid());
hv_clear(pidstatus); /* no kids, so don't wait for 'em */
}
PUSHi(childpid);
PP(pp_wait)
{
+#if !defined(DOSISH) || defined(OS2)
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);
+ childpid = wait4pid(-1, &argflags, 0);
+ STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
+ XPUSHi(childpid);
RETURN;
#else
DIE(no_func, "Unsupported function wait");
PP(pp_waitpid)
{
+#if !defined(DOSISH) || defined(OS2)
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);
+ STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
+ SETi(childpid);
RETURN;
#else
DIE(no_func, "Unsupported function wait");
int childpid;
int result;
int status;
- Signal_t (*ihand)(); /* place to save signal during system() */
- Signal_t (*qhand)(); /* place to save signal during system() */
+ Sigsave_t ihand,qhand; /* place to save signals during system() */
-#if defined(HAS_FORK) && !defined(VMS) && !defined(OS2)
if (SP - MARK == 1) {
if (tainting) {
char *junk = SvPV(TOPs, na);
TAINT_PROPER("system");
}
}
+#if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
while ((childpid = vfork()) == -1) {
if (errno != EAGAIN) {
value = -1;
sleep(5);
}
if (childpid > 0) {
- ihand = signal(SIGINT, SIG_IGN);
- qhand = signal(SIGQUIT, SIG_IGN);
+ rsignal_save(SIGINT, SIG_IGN, &ihand);
+ rsignal_save(SIGQUIT, SIG_IGN, &qhand);
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);
- }
+ (void)rsignal_restore(SIGINT, &ihand);
+ (void)rsignal_restore(SIGQUIT, &qhand);
+ STATUS_NATIVE_SET(result == -1 ? -1 : status);
do_execfree(); /* free any memory child malloced on vfork */
SP = ORIGMARK;
- PUSHi(value);
+ PUSHi(STATUS_CURRENT);
RETURN;
}
if (op->op_flags & OPf_STACKED) {
else {
value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
}
- statusvalue = FIXSTATUS(value);
+ STATUS_NATIVE_SET(value);
do_execfree();
SP = ORIGMARK;
- PUSHi(value);
+ PUSHi(STATUS_CURRENT);
#endif /* !FORK or VMS */
RETURN;
}
#ifdef BSD_GETPGRP
value = (I32)BSD_GETPGRP(pid);
#else
- if (pid != 0)
+ if (pid != 0 && pid != getpid())
DIE("POSIX getpgrp can't take an argument");
value = (I32)getpgrp();
#endif
#ifdef BSD_SETPGRP
SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
#else
- if ((pgrp != 0) || (pid != 0)) {
+ if ((pgrp != 0 && pgrp != getpid())) || (pid != 0 && pid != getpid()))
DIE("POSIX setpgrp can't take an argument");
- }
SETi( setpgrp() >= 0 );
#endif /* USE_BSDPGRP */
RETURN;
RETURN;
}
+/* XXX The POSIX name is CLK_TCK; it is to be preferred
+ to HZ. Probably. For now, assume that if the system
+ defines HZ, it does so correctly. (Will this break
+ on VMS?)
+ Probably we ought to use _sysconf(_SC_CLK_TCK), if
+ it's supported. --AD 9/96.
+*/
+
#ifndef HZ
-#define HZ 60
+# ifdef CLK_TCK
+# define HZ CLK_TCK
+# else
+# define HZ 60
+# endif
#endif
PP(pp_tms)
{
dSP;
-#if defined(MSDOS) || !defined(HAS_TIMES)
+#ifndef HAS_TIMES
DIE("times not implemented");
#else
EXTEND(SP, 4);
(void)times((tbuffer_t *)×buf); /* time.h uses different name for */
/* struct tms, though same data */
/* is returned. */
-#undef HZ
-#define HZ CLK_TCK
#endif
PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
}
RETURN;
-#endif /* MSDOS */
+#endif /* HAS_TIMES */
}
PP(pp_localtime)
tmbuf = gmtime(&when);
EXTEND(SP, 9);
+ EXTEND_MORTAL(9);
if (GIMME != G_ARRAY) {
dTARGET;
- char mybuf[30];
+ SV *tsv;
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));
+ tsv = newSVpvf("%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);
+ PUSHs(sv_2mortal(tsv));
}
else if (tmbuf) {
PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
PUSHi(anum);
}
else {
- PUSHp("0 but true",10);
+ PUSHp(zero_but_true, ZBTLEN);
}
RETURN;
#else
#ifdef HOST_NOT_FOUND
if (!hent)
- statusvalue = FIXSTATUS(h_errno);
+ STATUS_NATIVE_SET(h_errno);
#endif
if (GIMME != G_ARRAY) {
sv_catpvn(sv, " ", 1);
}
PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)hent->h_addrtype);
+ sv_setiv(sv, (IV)hent->h_addrtype);
PUSHs(sv = sv_mortalcopy(&sv_no));
len = hent->h_length;
- sv_setiv(sv, (I32)len);
+ sv_setiv(sv, (IV)len);
#ifdef h_addr
for (elem = hent->h_addr_list; elem && *elem; elem++) {
XPUSHs(sv = sv_mortalcopy(&sv_no));
PUSHs(sv = sv_newmortal());
if (nent) {
if (which == OP_GNBYNAME)
- sv_setiv(sv, (I32)nent->n_net);
+ sv_setiv(sv, (IV)nent->n_net);
else
sv_setpv(sv, nent->n_name);
}
sv_catpvn(sv, " ", 1);
}
PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)nent->n_addrtype);
+ sv_setiv(sv, (IV)nent->n_addrtype);
PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)nent->n_net);
+ sv_setiv(sv, (IV)nent->n_net);
}
RETURN;
PUSHs(sv = sv_newmortal());
if (pent) {
if (which == OP_GPBYNAME)
- sv_setiv(sv, (I32)pent->p_proto);
+ sv_setiv(sv, (IV)pent->p_proto);
else
sv_setpv(sv, pent->p_name);
}
sv_catpvn(sv, " ", 1);
}
PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)pent->p_proto);
+ sv_setiv(sv, (IV)pent->p_proto);
}
RETURN;
}
else if (which == OP_GSBYPORT) {
char *proto = POPp;
- int port = POPi;
+ unsigned short port = POPu;
+#ifdef HAS_HTONS
+ port = htons(port);
+#endif
sent = getservbyport(port, proto);
}
else
if (sent) {
if (which == OP_GSBYNAME) {
#ifdef HAS_NTOHS
- sv_setiv(sv, (I32)ntohs(sent->s_port));
+ sv_setiv(sv, (IV)ntohs(sent->s_port));
#else
- sv_setiv(sv, (I32)(sent->s_port));
+ sv_setiv(sv, (IV)(sent->s_port));
#endif
}
else
}
PUSHs(sv = sv_mortalcopy(&sv_no));
#ifdef HAS_NTOHS
- sv_setiv(sv, (I32)ntohs(sent->s_port));
+ sv_setiv(sv, (IV)ntohs(sent->s_port));
#else
- sv_setiv(sv, (I32)(sent->s_port));
+ sv_setiv(sv, (IV)(sent->s_port));
#endif
PUSHs(sv = sv_mortalcopy(&sv_no));
sv_setpv(sv, sent->s_proto);
PUSHs(sv = sv_newmortal());
if (pwent) {
if (which == OP_GPWNAM)
- sv_setiv(sv, (I32)pwent->pw_uid);
+ sv_setiv(sv, (IV)pwent->pw_uid);
else
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);
+ sv_setiv(sv, (IV)pwent->pw_uid);
PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)pwent->pw_gid);
+ sv_setiv(sv, (IV)pwent->pw_gid);
PUSHs(sv = sv_mortalcopy(&sv_no));
#ifdef PWCHANGE
- sv_setiv(sv, (I32)pwent->pw_change);
+ sv_setiv(sv, (IV)pwent->pw_change);
#else
#ifdef PWQUOTA
- sv_setiv(sv, (I32)pwent->pw_quota);
+ sv_setiv(sv, (IV)pwent->pw_quota);
#else
#ifdef PWAGE
sv_setpv(sv, pwent->pw_age);
sv_setpv(sv, pwent->pw_shell);
#ifdef PWEXPIRE
PUSHs(sv = sv_mortalcopy(&sv_no));
- sv_setiv(sv, (I32)pwent->pw_expire);
+ sv_setiv(sv, (IV)pwent->pw_expire);
#endif
}
RETURN;
PP(pp_spwent)
{
dSP;
-#ifdef HAS_PASSWD
+#if defined(HAS_PASSWD) && !defined(CYGWIN32)
setpwent();
RETPUSHYES;
#else
PUSHs(sv = sv_newmortal());
if (grent) {
if (which == OP_GGRNAM)
- sv_setiv(sv, (I32)grent->gr_gid);
+ sv_setiv(sv, (IV)grent->gr_gid);
else
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);
+ sv_setiv(sv, (IV)grent->gr_gid);
PUSHs(sv = sv_mortalcopy(&sv_no));
for (elem = grent->gr_mem; *elem; elem++) {
sv_catpv(sv, *elem);
if (tainting) {
while (++MARK <= SP) {
- if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
- (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
- tainted = TRUE;
+ if (SvTAINTED(*MARK)) {
+ TAINT;
+ break;
+ }
}
MARK = ORIGMARK;
TAINT_PROPER("syscall");
#endif
}
-#if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
+#ifdef FCNTL_EMULATE_FLOCK
+
+/* XXX Emulate flock() with fcntl().
+ What's really needed is a good file locking module.
+*/
+
+static int
+fcntl_emulate_flock(fd, operation)
+int fd;
+int operation;
+{
+ struct flock flock;
+
+ switch (operation & ~LOCK_NB) {
+ case LOCK_SH:
+ flock.l_type = F_RDLCK;
+ break;
+ case LOCK_EX:
+ flock.l_type = F_WRLCK;
+ break;
+ case LOCK_UN:
+ flock.l_type = F_UNLCK;
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+ flock.l_whence = SEEK_SET;
+ flock.l_start = flock.l_len = 0L;
+
+ return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
+}
+
+#endif /* FCNTL_EMULATE_FLOCK */
+
+#ifdef LOCKF_EMULATE_FLOCK
/* XXX Emulate flock() with lockf(). This is just to increase
portability of scripts. The calls are not completely
# 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
+static int
lockf_emulate_flock (fd, operation)
int fd;
int operation;
errno = EWOULDBLOCK;
break;
- /* LOCK_UN - unlock */
+ /* LOCK_UN - unlock (non-blocking is a no-op) */
case LOCK_UN:
+ case LOCK_UN|LOCK_NB:
i = lockf (fd, F_ULOCK, 0);
break;
}
return (i);
}
-#endif
+
+#endif /* LOCKF_EMULATE_FLOCK */
https://perl5.git.perl.org / perl5.git / blobdiff