1 files changed, 60 insertions, 0 deletions
diff --git a/src/ios_pos_types.cpp b/src/ios_pos_types.cpp
new file mode 100644
index 0000000..719f741
--- /dev/null
+++ b/src/ios_pos_types.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <ios_pos_types.h>
+
+namespace std {
+// Implementation of the fpos class for streams.
+
+fpos& fpos::operator+=(streamoff offs)  {
+    const streamoff new_offs = mOffs + offs;
+    if (offs > 0) {
+        if (new_offs > mOffs) {
+            mOffs = new_offs;
+        } // else overflow.
+    } else {
+        if (new_offs < mOffs) {
+            mOffs = new_offs;
+        } // else overflow or 0.
+    }
+    return *this;
+}
+
+fpos fpos::operator+(streamoff offs) const {
+    fpos pos(*this);
+    pos += offs;
+    return pos;
+}
+
+fpos fpos::operator-(streamoff offs) const {
+    fpos pos(*this);
+    pos -= offs;
+    return pos;
+}
+
+}  // namespace std