Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 148 insertions, 0 deletions

diff --git a/qemu/roms/ipxe/src/net/oncrpc/nfs_uri.c b/qemu/roms/ipxe/src/net/oncrpc/nfs_uri.c
new file mode 100644
index 000000000..c4c3f21e9
--- /dev/null
+++ b/qemu/roms/ipxe/src/net/oncrpc/nfs_uri.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2014 Marin Hannache <ipxe@mareo.fr>.
+ *
+ * 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 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <libgen.h>
+#include <ipxe/nfs_uri.h>
+
+/** @file
+ *
+ * Network File System protocol URI handling functions
+ *
+ */
+
+int nfs_uri_init ( struct nfs_uri *nfs_uri, const struct uri *uri ) {
+	if ( ! ( nfs_uri->mountpoint = strdup ( uri->path ) ) )
+		return -ENOMEM;
+
+	nfs_uri->filename = basename ( nfs_uri->mountpoint );
+	if ( strchr ( uri->path, '/' ) != NULL )
+		nfs_uri->mountpoint = dirname ( nfs_uri->mountpoint );
+
+	if ( nfs_uri->filename[0] == '\0' ) {
+		free ( nfs_uri->mountpoint );
+		return -EINVAL;
+	}
+
+	if ( ! ( nfs_uri->path = strdup ( nfs_uri->filename ) ) ) {
+		free ( nfs_uri->mountpoint );
+		return -ENOMEM;
+	}
+	nfs_uri->lookup_pos = nfs_uri->path;
+
+	return 0;
+}
+
+char *nfs_uri_mountpoint ( const struct nfs_uri *uri ) {
+	if ( uri->mountpoint + 1 == uri->filename ||
+	     uri->mountpoint     == uri->filename )
+		return "/";
+
+	return uri->mountpoint;
+}
+
+int nfs_uri_next_mountpoint ( struct nfs_uri *uri ) {
+	char *sep;
+
+	if ( uri->mountpoint + 1 == uri->filename ||
+	     uri->mountpoint     == uri->filename )
+		return -ENOENT;
+
+	sep = strrchr ( uri->mountpoint, '/' );
+	uri->filename[-1] = '/';
+	uri->filename     = sep + 1;
+	*sep = '\0';
+
+	free ( uri->path );
+	if ( ! ( uri->path = strdup ( uri->filename ) ) ) {
+		uri->path = NULL;
+		return -ENOMEM;
+	}
+	uri->lookup_pos = uri->path;
+
+	return 0;
+}
+
+int nfs_uri_symlink ( struct nfs_uri *uri, const char *symlink ) {
+	size_t len;
+	char *new_path;
+
+	if ( ! uri->path )
+		return -EINVAL;
+
+	if ( *symlink == '/' )
+	{
+		if ( strncmp ( symlink, uri->mountpoint,
+			       strlen ( uri->mountpoint ) ) != 0 )
+			return -EINVAL;
+
+		len = strlen ( uri->lookup_pos ) + strlen ( symlink ) - \
+		      strlen ( uri->mountpoint );
+		if ( ! ( new_path = malloc ( len * sizeof ( char ) ) ) )
+			return -ENOMEM;
+
+		strcpy ( new_path, symlink + strlen ( uri->mountpoint ) );
+		strcpy ( new_path + strlen ( new_path ), uri->lookup_pos );
+
+	} else {
+		len = strlen ( uri->lookup_pos ) + strlen ( symlink );
+		if ( ! ( new_path = malloc ( len * sizeof ( char ) ) ) )
+			return -ENOMEM;
+
+
+		strcpy ( new_path, symlink );
+		strcpy ( new_path + strlen ( new_path ), uri->lookup_pos );
+	}
+
+	free ( uri->path );
+	uri->lookup_pos = uri->path = new_path;
+
+	return 0;
+}
+
+char *nfs_uri_next_path_component ( struct nfs_uri *uri ) {
+	char *sep;
+	char *start;
+
+	if ( ! uri->path )
+		return NULL;
+
+	for ( sep = uri->lookup_pos ; *sep != '\0' && *sep != '/'; sep++ )
+		;
+
+	start = uri->lookup_pos;
+	uri->lookup_pos = sep;
+	if ( *sep != '\0' ) {
+		uri->lookup_pos++;
+		*sep = '\0';
+		if ( *start == '\0' )
+			return nfs_uri_next_path_component ( uri );
+	}
+
+	return start;
+}
+
+void nfs_uri_free ( struct nfs_uri *uri ) {
+	free ( uri->mountpoint );
+	free ( uri->path );
+	uri->mountpoint = NULL;
+	uri->path       = NULL;
+}