From 8bf49d16a637cca0cd116450dfcabc4c941baf6c Mon Sep 17 00:00:00 2001
From: ticktock35 <ticktock35@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>
Date: Sun, 14 Dec 2008 23:10:56 -0500
Subject: * Add ipkg for future development

git-svn-id: http://opkg.googlecode.com/svn/trunk@3 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358
---
(limited to 'libbb/gz_open.c')

diff --git a/libbb/gz_open.c b/libbb/gz_open.c
new file mode 100644
index 0000000..dbaf3bb
--- /dev/null
+++ b/libbb/gz_open.c
@@ -0,0 +1,58 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.  If you wrote this, please
+ * acknowledge your work.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "libbb.h"
+
+extern FILE *gz_open(FILE *compressed_file, int *pid)
+{
+	int unzip_pipe[2];
+
+	if (pipe(unzip_pipe)!=0) {
+		error_msg("pipe error");
+		return(NULL);
+	}
+	if ((*pid = fork()) == -1) {
+		error_msg("fork failed");
+		return(NULL);
+	}
+	if (*pid==0) {
+		/* child process */
+		close(unzip_pipe[0]);
+		unzip(compressed_file, fdopen(unzip_pipe[1], "w"));
+		fflush(NULL);
+		fclose(compressed_file);
+		close(unzip_pipe[1]);
+		exit(EXIT_SUCCESS);
+	}
+	close(unzip_pipe[1]);
+	if (unzip_pipe[0] == -1) {
+		error_msg("gzip stream init failed");
+	}
+	return(fdopen(unzip_pipe[0], "r"));
+}
--
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