Re: [boost] [iostreams] array and gzip_decompressor

Subject: Re: [boost] [iostreams] array and gzip_decompressor
From: Nikolay Mladenov (nikolay.mladenov_at_[hidden])
Date: 2010-03-01 10:12:42

Thank you eg, Chris,

But I have probably misled you a bit with my post.
The gzipped data is actually in memory (inside the storage variable),
and I wanted to have a gzip_decompressing stream from that.

for no I am using this patch

Index: detail/adapter/direct_adapter.hpp
===================================================================
--- detail/adapter/direct_adapter.hpp   (revision 59992)
+++ detail/adapter/direct_adapter.hpp   (working copy)
@@ -116,6 +116,7 @@
     std::streamsize write(const char_type* s, std::streamsize n);
     std::streampos seek( stream_offset, BOOST_IOS::seekdir,
                          BOOST_IOS::openmode = BOOST_IOS::in |
BOOST_IOS::out );
+    bool putback(const char_type c);
     void close();
     void close(BOOST_IOS::openmode which);
 #ifndef BOOST_IOSTREAMS_NO_LOCALE
@@ -204,6 +205,18 @@
 }

 template<typename Direct>
+inline bool direct_adapter<Direct>::putback
+    (const char_type c)
+{
+    pointers& get = ptrs_.first();
+    if( get.ptr == get.beg )
+        throw bad_putback();
+    get.ptr -= 1;
+    *get.ptr = c;
+    return true;
+}
+
+template<typename Direct>
 inline std::streamsize direct_adapter<Direct>::write
     (const char_type* s, std::streamsize n)
 {

Nikolay Mladenov