X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pp_sys.c;h=cdc9385967511e0207454bb81c518b5004065565;hb=b30ea4af1eb31dd77630f331817dfe421bf8b269;hp=25deca1f9e4910815077da48a8a4fe246eb20c5e;hpb=5228a96c60a47c008c307f4fa3bf942383d38423;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/pp_sys.c b/pp_sys.c
index 25deca1..cdc9385 100644
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -766,22 +766,23 @@ PP(pp_binmode)
     }
 
     PUTBACK;
-    if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
-                       (discp) ? SvPV_nolen_const(discp) : NULL)) {
-	if (IoOFP(io) && IoOFP(io) != IoIFP(io)) {
-	     if (!PerlIO_binmode(aTHX_ IoOFP(io),IoTYPE(io),
-			mode_from_discipline(discp),
-                       (discp) ? SvPV_nolen_const(discp) : NULL)) {
-		SPAGAIN;
-		RETPUSHUNDEF;
-	     }
+    {
+	const int mode = mode_from_discipline(discp);
+	const char *const d = (discp ? SvPV_nolen_const(discp) : NULL);
+	if (PerlIO_binmode(aTHX_ fp, IoTYPE(io), mode, d)) {
+	    if (IoOFP(io) && IoOFP(io) != IoIFP(io)) {
+		if (!PerlIO_binmode(aTHX_ IoOFP(io), IoTYPE(io), mode, d)) {
+		    SPAGAIN;
+		    RETPUSHUNDEF;
+		}
+	    }
+	    SPAGAIN;
+	    RETPUSHYES;
+	}
+	else {
+	    SPAGAIN;
+	    RETPUSHUNDEF;
 	}
-	SPAGAIN;
-	RETPUSHYES;
-    }
-    else {
-	SPAGAIN;
-	RETPUSHUNDEF;
     }
 }
 
@@ -1265,6 +1266,7 @@ PP(pp_enterwrite)
     register IO *io;
     GV *fgv;
     CV *cv;
+    SV * tmpsv = NULL;
 
     if (MAXARG == 0)
 	gv = PL_defoutgv;
@@ -1288,8 +1290,8 @@ PP(pp_enterwrite)
 
     cv = GvFORM(fgv);
     if (!cv) {
-	SV * const tmpsv = sv_newmortal();
 	const char *name;
+	tmpsv = sv_newmortal();
 	gv_efullname4(tmpsv, fgv, NULL, FALSE);
 	name = SvPV_nolen_const(tmpsv);
 	if (name && *name)
@@ -1617,7 +1619,7 @@ PP(pp_sysread)
 	buffer = SvGROW(bufsv, (STRLEN)(length+1));
 	/* 'offset' means 'flags' here */
 	count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
-			  (struct sockaddr *)namebuf, &bufsize);
+				  (struct sockaddr *)namebuf, &bufsize);
 	if (count < 0)
 	    RETPUSHUNDEF;
 #ifdef EPOC
@@ -2557,6 +2559,17 @@ PP(pp_accept)
 
     nstio = GvIOn(ngv);
     fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len);
+#if defined(OEMVS)
+    if (len == 0) {
+	/* Some platforms indicate zero length when an AF_UNIX client is
+	 * not bound. Simulate a non-zero-length sockaddr structure in
+	 * this case. */
+	namebuf[0] = 0;        /* sun_len */
+	namebuf[1] = AF_UNIX;  /* sun_family */
+	len = 2;
+    }
+#endif
+
     if (fd < 0)
 	goto badexit;
     if (IoIFP(nstio))
@@ -2769,7 +2782,8 @@ PP(pp_stat)
 {
     dVAR;
     dSP;
-    GV *gv;
+    GV *gv = NULL;
+    IO *io;
     I32 gimme;
     I32 max = 13;
 
@@ -2780,7 +2794,7 @@ PP(pp_stat)
 	    do_fstat_warning_check:
 		if (ckWARN(WARN_IO))
 		    Perl_warner(aTHX_ packWARN(WARN_IO),
-			"lstat() on filehandle %s", GvENAME(gv));
+			"lstat() on filehandle %s", gv ? GvENAME(gv) : "");
 	    } else if (PL_laststype != OP_LSTAT)
 		Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
 	}
@@ -2791,7 +2805,8 @@ PP(pp_stat)
 	    PL_statgv = gv;
 	    sv_setpvn(PL_statname, "", 0);
             if(gv) {
-                IO* const io = GvIO(gv);
+                io = GvIO(gv);
+                do_fstat_have_io:
                 if (io) {
                     if (IoIFP(io)) {
                         PL_laststatval = 
@@ -2821,13 +2836,18 @@ PP(pp_stat)
 	if (SvTYPE(sv) == SVt_PVGV) {
 	    gv = (GV*)sv;
 	    goto do_fstat;
-	}
-	else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
-	    gv = (GV*)SvRV(sv);
-	    if (PL_op->op_type == OP_LSTAT)
-		goto do_fstat_warning_check;
-	    goto do_fstat;
-	}
+	} else if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
+            gv = (GV*)SvRV(sv);
+            if (PL_op->op_type == OP_LSTAT)
+                goto do_fstat_warning_check;
+            goto do_fstat;
+        } else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { 
+            io = (IO*)SvRV(sv);
+            if (PL_op->op_type == OP_LSTAT)
+                goto do_fstat_warning_check;
+            goto do_fstat_have_io; 
+        }
+        
 	sv_setpv(PL_statname, SvPV_nolen_const(sv));
 	PL_statgv = NULL;
 	PL_laststype = PL_op->op_type;
@@ -3580,15 +3600,17 @@ S_dooneliner(pTHX_ const char *cmd, const char *filename)
     char *s;
     PerlIO *myfp;
     int anum = 1;
+    Size_t size = strlen(cmd) + (strlen(filename) * 2) + 10;
 
-    Newx(cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
-    strcpy(cmdline, cmd);
-    strcat(cmdline, " ");
+    Newx(cmdline, size, char);
+    my_strlcpy(cmdline, cmd, size);
+    my_strlcat(cmdline, " ", size);
     for (s = cmdline + strlen(cmdline); *filename; ) {
 	*s++ = '\\';
 	*s++ = *filename++;
     }
-    strcpy(s, " 2>&1");
+    if (s - cmdline < size)
+	my_strlcpy(s, " 2>&1", size - (s - cmdline));
     myfp = PerlProc_popen(cmdline, "r");
     Safefree(cmdline);
 
@@ -4625,7 +4647,7 @@ PP(pp_ghostent)
 	STRLEN addrlen;
 	Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen);
 
-	hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
+	hent = PerlSock_gethostbyaddr((const char*)addr, (Netdb_hlen_t) addrlen, addrtype);
 #else
 	DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
 #endif