X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/c623ac675720b3145d48cc2ea9474a0f3e0cbbca..a7ad731c5ef0d5f23c440149f8f810a4785a2903:/doio.c

diff --git a/doio.c b/doio.c
index 102f34f..fdd83f6 100644
--- a/doio.c
+++ b/doio.c
@@ -218,7 +218,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 		if (ckWARN(WARN_IO))
 		    Perl_warner(aTHX_ packWARN(WARN_IO),
 			    "Can't open a reference");
-		SETERRNO(EINVAL, LIB$_INVARG);
+		SETERRNO(EINVAL, LIB_INVARG);
 		goto say_false;
 	    }
 #endif /* USE_STDIO */
@@ -281,6 +281,13 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	    else {
 		fp = PerlProc_popen(name,mode);
 	    }
+	    if (num_svs) {
+		if (*type) {
+		    if (PerlIO_apply_layers(aTHX_ fp, mode, type) != 0) {
+			goto say_false;
+		    }
+		}
+	    }
 	}
 	else if (*type == IoTYPE_WRONLY) {
 	    TAINT_PROPER("open");
@@ -316,7 +323,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 		    if (num_svs > 1) {
 			Perl_croak(aTHX_ "More than one argument to '%c&' open",IoTYPE(io));
 		    }
-		    if (num_svs && SvIOK(*svp)) {
+		    if (num_svs && (SvIOK(*svp) || (SvPOK(*svp) && looks_like_number(*svp)))) {
 			fd = SvUV(*svp);
 		    }
 		    else if (isDIGIT(*type)) {
@@ -338,7 +345,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 			}
 			if (!thatio) {
 #ifdef EINVAL
-			    SETERRNO(EINVAL,SS$_IVCHAN);
+			    SETERRNO(EINVAL,SS_IVCHAN);
 #endif
 			    goto say_false;
 			}
@@ -483,6 +490,14 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 		fp = PerlProc_popen(name,mode);
 	    }
 	    IoTYPE(io) = IoTYPE_PIPE;
+	    if (num_svs) {
+		for (; isSPACE(*type); type++) ;
+		if (*type) {
+		    if (PerlIO_apply_layers(aTHX_ fp, mode, type) != 0) {
+			goto say_false;
+		    }
+		}
+	    }
 	}
 	else {
 	    if (num_svs)
@@ -521,18 +536,20 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	if ((IoTYPE(io) == IoTYPE_RDONLY) &&
 	    (fp == PerlIO_stdout() || fp == PerlIO_stderr())) {
 		Perl_warner(aTHX_ packWARN(WARN_IO),
-			    "Filehandle STD%s opened only for input",
-			    (fp == PerlIO_stdout()) ? "OUT" : "ERR");
+			    "Filehandle STD%s reopened as %s only for input",
+			    ((fp == PerlIO_stdout()) ? "OUT" : "ERR"),
+			    GvENAME(gv));
 	}
 	else if ((IoTYPE(io) == IoTYPE_WRONLY) && fp == PerlIO_stdin()) {
 		Perl_warner(aTHX_ packWARN(WARN_IO),
-			    "Filehandle STDIN opened only for output");
+			    "Filehandle STDIN reopened as %s only for output",
+			    GvENAME(gv));
 	}
     }
 
     fd = PerlIO_fileno(fp);
-    /* If there is no fd (e.g. PerlIO::Scalar) assume it isn't a
-     * socket - this covers PerlIO::Scalar - otherwise unless we "know" the
+    /* If there is no fd (e.g. PerlIO::scalar) assume it isn't a
+     * socket - this covers PerlIO::scalar - otherwise unless we "know" the
      * type probe for socket-ness.
      */
     if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD && fd >= 0) {
@@ -581,7 +598,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	    }
 	}
 	if (savefd != fd) {
-	    /* Still a small can-of-worms here if (say) PerlIO::Scalar
+	    /* Still a small can-of-worms here if (say) PerlIO::scalar
 	       is assigned to (say) STDOUT - for now let dup2() fail
 	       and provide the error
 	     */
@@ -648,8 +665,11 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
     if (writing) {
 	if (IoTYPE(io) == IoTYPE_SOCKET
 	    || (IoTYPE(io) == IoTYPE_WRONLY && fd >= 0 && S_ISCHR(PL_statbuf.st_mode)) ) {
-	    mode[0] = 'w';
-	    if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,0,svp))) {
+	    char *s = mode;
+	    if (*s == 'I' || *s == '#')
+	     s++;
+	    *s = 'w';
+	    if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,s,fd,0,0,NULL,0,svp))) {
 		PerlIO_close(fp);
 		IoIFP(io) = Nullfp;
 		goto say_false;
@@ -904,6 +924,7 @@ Perl_do_pipe(pTHX_ SV *sv, GV *rgv, GV *wgv)
 	goto badexit;
     IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
     IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
+    IoOFP(rstio) = IoIFP(rstio);
     IoIFP(wstio) = IoOFP(wstio);
     IoTYPE(rstio) = IoTYPE_RDONLY;
     IoTYPE(wstio) = IoTYPE_WRONLY;
@@ -935,7 +956,7 @@ Perl_do_close(pTHX_ GV *gv, bool not_implicit)
 	gv = PL_argvgv;
     if (!gv || SvTYPE(gv) != SVt_PVGV) {
 	if (not_implicit)
-	    SETERRNO(EBADF,SS$_IVCHAN);
+	    SETERRNO(EBADF,SS_IVCHAN);
 	return FALSE;
     }
     io = GvIO(gv);
@@ -943,7 +964,7 @@ Perl_do_close(pTHX_ GV *gv, bool not_implicit)
 	if (not_implicit) {
 	    if (ckWARN(WARN_UNOPENED)) /* no check for closed here */
 		report_evil_fh(gv, io, PL_op->op_type);
-	    SETERRNO(EBADF,SS$_IVCHAN);
+	    SETERRNO(EBADF,SS_IVCHAN);
 	}
 	return FALSE;
     }
@@ -987,7 +1008,7 @@ Perl_io_close(pTHX_ IO *io, bool not_implicit)
 	IoOFP(io) = IoIFP(io) = Nullfp;
     }
     else if (not_implicit) {
-	SETERRNO(EBADF,SS$_IVCHAN);
+	SETERRNO(EBADF,SS_IVCHAN);
     }
 
     return retval;
@@ -1048,7 +1069,7 @@ Perl_do_tell(pTHX_ GV *gv)
     }
     if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
 	report_evil_fh(gv, io, PL_op->op_type);
-    SETERRNO(EBADF,RMS$_IFI);
+    SETERRNO(EBADF,RMS_IFI);
     return (Off_t)-1;
 }
 
@@ -1067,7 +1088,7 @@ Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence)
     }
     if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
 	report_evil_fh(gv, io, PL_op->op_type);
-    SETERRNO(EBADF,RMS$_IFI);
+    SETERRNO(EBADF,RMS_IFI);
     return FALSE;
 }
 
@@ -1081,7 +1102,7 @@ Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence)
 	return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence);
     if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
 	report_evil_fh(gv, io, PL_op->op_type);
-    SETERRNO(EBADF,RMS$_IFI);
+    SETERRNO(EBADF,RMS_IFI);
     return (Off_t)-1;
 }
 
@@ -2070,7 +2091,7 @@ Perl_do_semop(pTHX_ SV **mark, SV **sp)
     opbuf = SvPV(opstr, opsize);
     if (opsize < 3 * SHORTSIZE
 	|| (opsize % (3 * SHORTSIZE))) {
-	SETERRNO(EINVAL,LIB$_INVARG);
+	SETERRNO(EINVAL,LIB_INVARG);
 	return -1;
     }
     SETERRNO(0,0);
@@ -2127,7 +2148,7 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp)
     if (shmctl(id, IPC_STAT, &shmds) == -1)
 	return -1;
     if (mpos < 0 || msize < 0 || mpos + msize > shmds.shm_segsz) {
-	SETERRNO(EFAULT,SS$_ACCVIO);		/* can't do as caller requested */
+	SETERRNO(EFAULT,SS_ACCVIO);		/* can't do as caller requested */
 	return -1;
     }
     shm = (char *)shmat(id, (char*)NULL, (optype == OP_SHMREAD) ? SHM_RDONLY : 0);
@@ -2254,7 +2275,7 @@ Perl_start_glob (pTHX_ SV *tmpglob, IO *io)
 	    }
 	    if (cxt) (void)lib$find_file_end(&cxt);
 	    if (ok && sts != RMS$_NMF &&
-		sts != RMS$_DNF && sts != RMS$_FNF) ok = 0;
+		sts != RMS$_DNF && sts != RMS_FNF) ok = 0;
 	    if (!ok) {
 		if (!(sts & 1)) {
 		    SETERRNO((sts == RMS$_SYN ? EINVAL : EVMSERR),sts);