build the Filter extension on windows

[p5sagit/p5-mst-13.2.git] / pp_sys.c

diff --git a/pp_sys.c b/pp_sys.c
index 9329ffd..2194653 100644 (file)
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -35,11 +35,6 @@
 #   include <shadow.h>
 #endif
 
-/* XXX If this causes problems, set i_unistd=undef in the hint file.  */
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
-
 #ifdef HAS_SYSCALL
 #ifdef __cplusplus
 extern "C" int syscall(unsigned long,...);
@@ -54,25 +49,10 @@ extern "C" int syscall(unsigned long,...);
 # include <sys/resource.h>
 #endif
 
-#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
-# include <sys/socket.h>
-# if defined(USE_SOCKS) && defined(I_SOCKS)
-#   include <socks.h>
-# endif
-# ifdef I_NETDB
-#  include <netdb.h>
-# endif
-# ifndef ENOTSOCK
-#  ifdef I_NET_ERRNO
-#   include <net/errno.h>
-#  endif
-# endif
-#endif
-
 #ifdef HAS_SELECT
-#ifdef I_SYS_SELECT
-#include <sys/select.h>
-#endif
+# ifdef I_SYS_SELECT
+#  include <sys/select.h>
+# endif
 #endif
 
 /* XXX Configure test needed.
@@ -142,7 +122,7 @@ extern int h_errno;
 #    include <fcntl.h>
 #  endif
 
-#  if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
+#  if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
 #    define FLOCK fcntl_emulate_flock
 #    define FCNTL_EMULATE_FLOCK
 #  else /* no flock() or fcntl(F_SETLK,...) */
@@ -317,6 +297,16 @@ PP(pp_backtick)
        mode = "rt";
     fp = PerlProc_popen(tmps, mode);
     if (fp) {
+       char *type = NULL;
+       if (PL_curcop->cop_io) {
+           type = SvPV_nolen(PL_curcop->cop_io);
+       }
+       else if (O_BINARY != O_TEXT) {
+           type = ":crlf";
+       }
+       if (type && *type)
+           PerlIO_apply_layers(aTHX_ fp,mode,type);
+
        if (gimme == G_VOID) {
            char tmpbuf[256];
            while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
@@ -794,9 +784,12 @@ PP(pp_tie)
     POPSTACK;
     if (sv_isobject(sv)) {
        sv_unmagic(varsv, how);
-       /* Croak if a self-tie is attempted */
-       if (varsv == SvRV(sv))
-           Perl_croak(aTHX_ "Self-ties are not supported");
+       /* Croak if a self-tie on an aggregate is attempted. */
+       if (varsv == SvRV(sv) &&
+           (SvTYPE(sv) == SVt_PVAV ||
+            SvTYPE(sv) == SVt_PVHV))
+           Perl_croak(aTHX_
+                      "Self-ties of arrays and hashes are not supported");
        sv_magic(varsv, sv, how, Nullch, 0);
     }
     LEAVE;
@@ -2546,9 +2539,15 @@ PP(pp_stat)
 
     if (PL_op->op_flags & OPf_REF) {
        gv = cGVOP_gv;
-       if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
-           Perl_warner(aTHX_ WARN_IO,
+       if (PL_op->op_type == OP_LSTAT) {
+           if (PL_laststype != OP_LSTAT)
+               Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
+           if (ckWARN(WARN_IO) && gv != PL_defgv)
+               Perl_warner(aTHX_ WARN_IO,
                        "lstat() on filehandle %s", GvENAME(gv));
+               /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
+       }
+
       do_fstat:
        if (gv != PL_defgv) {
            PL_laststype = OP_STAT;
@@ -3725,6 +3724,9 @@ PP(pp_fork)
     if (childpid < 0)
        RETSETUNDEF;
     if (!childpid) {
+#ifdef SOCKS_64BIT_BUG
+       Perl_do_s64_init_buffer();
+#endif
        /*SUPPRESS 560*/
        if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
            sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());