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-rw-r--r--libio/pfstream.cc92
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diff --git a/libio/pfstream.cc b/libio/pfstream.cc
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+/* This is part of libio/iostream, providing -*- C++ -*- input/output.
+Copyright (C) 1993 Free Software Foundation
+
+This file is part of the GNU IO Library. This library is free
+software; you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this library; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+As a special exception, if you link this library with files
+compiled with a GNU compiler to produce an executable, this does not cause
+the resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why
+the executable file might be covered by the GNU General Public License. */
+
+/* Written by Per Bothner (bothner@cygnus.com). */
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+#include "libioP.h"
+#include <pfstream.h>
+#include <procbuf.h>
+
+ipfstream::ipfstream(const char *name, int mode, int prot)
+{
+ const char* p;
+
+ // Look for '| command' (as used by ftp).
+ for (p = name; *p == ' ' || *p == '\t'; p++) ;
+ if (*p == '|') {
+ procbuf *pbuf = new procbuf();
+ init(pbuf);
+ if (!pbuf->open(p+1, mode))
+ set(ios::badbit);
+ return;
+ }
+
+ // Look for 'command |'
+ while (*p) p++; // Point to last
+ while (p[-1] == ' ' || p[-1] == '\t' || p[-1] == '\n') p--;
+ if (p[-1] == '|') {
+ // Must remove the final '|'.
+ p--;
+#if !defined (__GNUC__) || defined (__STRICT_ANSI__)
+ char *command = new char[p-name+1];
+#else
+ char command[p-name+1];
+#endif
+ memcpy(command, name, p-name);
+ command[p-name] = '\0';
+
+ procbuf *pbuf = new procbuf();
+ if (pbuf->open(command, mode))
+ set(ios::badbit);
+#if !defined (__GNUC__) || defined (__STRICT_ANSI__)
+ delete command;
+#endif
+ return;
+ }
+
+ init(new filebuf());
+ if (!rdbuf()->open(name, mode, prot))
+ set(ios::badbit);
+}
+
+opfstream::opfstream(const char *name, int mode, int prot)
+{
+ const char *p;
+ // Look for '| command'.
+ for (p = name; *p == ' ' || *p == '\t'; p++) ;
+ if (*p == '|') {
+ procbuf *pbuf = new procbuf();
+ init(pbuf);
+ if (!pbuf->open(p+1, mode))
+ set(ios::badbit);
+ }
+ else {
+ init(new filebuf());
+ if (!rdbuf()->open(name, mode, prot))
+ set(ios::badbit);
+ }
+}