From c7152c8f97d01dda4eeb70869a0d28cc9a04df1f Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Sat, 28 Mar 2009 19:41:53 +0000
Subject: [PATCH] * Don't use the non-standard __gnu_cxx::stdio_filebuf class.

---
 src/libstore/local-store.cc | 41 +++++++++++++++----------------------
 src/libstore/local-store.hh |  9 +-------
 2 files changed, 17 insertions(+), 33 deletions(-)

diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index d4eda78a7c..9f9c378c6a 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -88,8 +88,8 @@ LocalStore::~LocalStore()
         flushDelayedUpdates();
 
         foreach (RunningSubstituters::iterator, i, runningSubstituters) {
-            i->second.toBuf.reset();
-            i->second.to.reset();
+            i->second.to.close();
+            i->second.from.close();
             i->second.pid.wait(true);
         }
                 
@@ -526,23 +526,16 @@ void LocalStore::startSubstituter(const Path & substituter, RunningSubstituter &
 
     /* Parent. */
     
-    toPipe.readSide.close();
-    fromPipe.writeSide.close();
-
-    run.toBuf = boost::shared_ptr<stdio_filebuf>(new stdio_filebuf(toPipe.writeSide.borrow(), std::ios_base::out));
-    run.to = boost::shared_ptr<std::ostream>(new std::ostream(&*run.toBuf));
-
-    run.fromBuf = boost::shared_ptr<stdio_filebuf>(new stdio_filebuf(fromPipe.readSide.borrow(), std::ios_base::in));
-    run.from = boost::shared_ptr<std::istream>(new std::istream(&*run.fromBuf));
+    run.to = toPipe.writeSide.borrow();
+    run.from = fromPipe.readSide.borrow();
 }
 
 
-template<class T> T getIntLine(std::istream & str)
+template<class T> T getIntLine(int fd)
 {
-    string s;
+    string s = readLine(fd);
     T res;
-    getline(str, s);
-    if (!str || !string2Int(s, res)) throw Error("integer expected from stream");
+    if (!string2Int(s, res)) throw Error("integer expected from stream");
     return res;
 }
 
@@ -552,10 +545,8 @@ bool LocalStore::hasSubstitutes(const Path & path)
     foreach (Paths::iterator, i, substituters) {
         RunningSubstituter & run(runningSubstituters[*i]);
         startSubstituter(*i, run);
-
-        *run.to << "have\n" << path << "\n" << std::flush;
-
-        if (getIntLine<int>(*run.from)) return true;
+        writeLine(run.to, "have\n" + path);
+        if (getIntLine<int>(run.from)) return true;
     }
 
     return false;
@@ -568,19 +559,19 @@ bool LocalStore::querySubstitutablePathInfo(const Path & substituter,
     RunningSubstituter & run(runningSubstituters[substituter]);
     startSubstituter(substituter, run);
 
-    *run.to << "info\n" << path << "\n" << std::flush;
-        
-    if (!getIntLine<int>(*run.from)) return false;
+    writeLine(run.to, "info\n" + path);
+
+    if (!getIntLine<int>(run.from)) return false;
     
-    getline(*run.from, info.deriver);
+    info.deriver = readLine(run.from);
     if (info.deriver != "") assertStorePath(info.deriver);
-    int nrRefs = getIntLine<int>(*run.from);
+    int nrRefs = getIntLine<int>(run.from);
     while (nrRefs--) {
-        Path p; getline(*run.from, p);
+        Path p = readLine(run.from);
         assertStorePath(p);
         info.references.insert(p);
     }
-    info.downloadSize = getIntLine<long long>(*run.from);
+    info.downloadSize = getIntLine<long long>(run.from);
     
     return true;
 }
diff --git a/src/libstore/local-store.hh b/src/libstore/local-store.hh
index 1cacfee335..a422af3981 100644
--- a/src/libstore/local-store.hh
+++ b/src/libstore/local-store.hh
@@ -3,8 +3,6 @@
 
 #include <string>
 
-#include <ext/stdio_filebuf.h>
-
 #include "store-api.hh"
 #include "util.hh"
 
@@ -36,15 +34,10 @@ struct OptimiseStats
 };
 
 
-typedef __gnu_cxx::stdio_filebuf<char> stdio_filebuf;
-
-
 struct RunningSubstituter
 {
     Pid pid;
-    boost::shared_ptr<stdio_filebuf> toBuf, fromBuf;
-    boost::shared_ptr<std::ostream> to;
-    boost::shared_ptr<std::istream> from;
+    AutoCloseFD to, from;
 };