From a75b215fe3fd5e132fe290d6539a6e1e35e03c23 Mon Sep 17 00:00:00 2001
From: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Date: Mon, 21 May 2012 12:52:27 +0200
Subject: [PATCH] Added fpipe(3) providing pipe(2) through the FILE interface.

---
 libmaxsi/Makefile        |  1 +
 libmaxsi/fpipe.cpp       | 37 +++++++++++++++++++++++++++++++++++++
 libmaxsi/include/stdio.h |  1 +
 3 files changed, 39 insertions(+)
 create mode 100644 libmaxsi/fpipe.cpp

diff --git a/libmaxsi/Makefile b/libmaxsi/Makefile
index 685fb617..3e6f3bb3 100644
--- a/libmaxsi/Makefile
+++ b/libmaxsi/Makefile
@@ -32,6 +32,7 @@ OBJS=\
 ctype.o \
 file.o \
 fdio.o \
+fpipe.o \
 stdio.o \
 dir.o \
 fddir-sortix.o \
diff --git a/libmaxsi/fpipe.cpp b/libmaxsi/fpipe.cpp
new file mode 100644
index 00000000..635c4ba9
--- /dev/null
+++ b/libmaxsi/fpipe.cpp
@@ -0,0 +1,37 @@
+/******************************************************************************
+
+	COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
+
+	This file is part of LibMaxsi.
+
+	LibMaxsi is free software: you can redistribute it and/or modify it under
+	the terms of the GNU Lesser General Public License as published by the Free
+	Software Foundation, either version 3 of the License, or (at your option)
+	any later version.
+
+	LibMaxsi 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 Lesser General Public License for	more
+	details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
+
+	fpipe.cpp
+	Provides pipe(2) through the FILE interface.
+
+*******************************************************************************/
+
+#include <stdio.h>
+#include <unistd.h>
+
+extern "C" int fpipe(FILE* pipes[2])
+{
+	int pipefd[2];
+	if ( pipe(pipefd) ) { return -1; }
+	pipes[0] = fdopen(pipefd[0], "r");
+	if ( !pipes[0] ) { close(pipefd[0]); close(pipefd[1]); return -1; }
+	pipes[1] = fdopen(pipefd[1], "w");
+	if ( !pipes[1] ) { fclose(pipes[0]); close(pipefd[1]); return -1; }
+	return 0;
+}
diff --git a/libmaxsi/include/stdio.h b/libmaxsi/include/stdio.h
index d06afc74..31276c8c 100644
--- a/libmaxsi/include/stdio.h
+++ b/libmaxsi/include/stdio.h
@@ -164,6 +164,7 @@ void fregister(FILE* fp);
 void funregister(FILE* fp);
 FILE* fnewfile(void);
 int fcloseall(void);
+int fpipe(FILE* pipes[2]);
 #endif
 
 #if __SORTIX_STDLIB_REDIRECTS