Imported Upstream version 4.8.0.309

Former-commit-id: 5f9c6ae75f295e057a7d2971f3a6df4656fa8850

tools/sgen/sgen-entry-stream.h

@@ -0,0 +1,20 @@
+/*
+ * sgen-entry-stream.h: EntryStream definitions
+ *
+ * Copyright (C) 2016 Xamarin Inc
+ *
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
+ */
+
+typedef struct {
+	int file;
+	char *buffer;
+	const char *end;
+	const char *pos;
+} EntryStream;
+
+void init_stream (EntryStream *stream, int file);
+void reset_stream (EntryStream *stream);
+void close_stream (EntryStream *stream);
+gboolean refill_stream (EntryStream *in, size_t size);
+ssize_t read_stream (EntryStream *stream, void *out, size_t size);