Fix base constructor calls of i/ostream

Add missing noexcept

2 files changed, 4 insertions, 8 deletions

diff --git a/include/io/izlibstream.h b/include/io/izlibstream.h
index 4e9dc9c1ee..6d58d56b86 100644
--- a/include/io/izlibstream.h
+++ b/include/io/izlibstream.h
@@ -76,10 +76,8 @@ public:
      * @param bufsize the size of the internal buffers
      */
     explicit izlibstream(std::istream& input, size_t bufsize = 32768):
-        buf(input, bufsize)
-    {
-        init(&buf);
-    }
+        std::istream(&buf), buf(input, bufsize)
+    {}
     ///@return the wrapped istream
     std::istream& get_istr() const { return buf.get_istr(); }
 
diff --git a/include/io/ozlibstream.h b/include/io/ozlibstream.h
index 6ebd3c0dd0..954bcc182d 100644
--- a/include/io/ozlibstream.h
+++ b/include/io/ozlibstream.h
@@ -85,10 +85,8 @@ public:
      * Refer to the zlib documentation of deflateInit2 for a detailed explanation of the arguments.
      */
     explicit ozlibstream(std::ostream& output, int level = -1, int window_bits = 15, int mem_level = 8, int strategy = Z_DEFAULT_STRATEGY):
-        buf(output, level, window_bits, mem_level, strategy)
-    {
-        init(&buf);
-    }
+        std::ostream(&buf), buf(output, level, window_bits, mem_level, strategy)
+    {}
     ///@return the wrapped ostream
     std::ostream& get_ostr() const { return buf.get_ostr(); }