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-rw-r--r--src/libstore/derivations.cc8
-rw-r--r--src/libstore/export-import.cc2
-rw-r--r--src/libstore/remote-store.cc24
3 files changed, 16 insertions, 18 deletions
diff --git a/src/libstore/derivations.cc b/src/libstore/derivations.cc
index 79526c594f71..ce1ac7d33229 100644
--- a/src/libstore/derivations.cc
+++ b/src/libstore/derivations.cc
@@ -397,8 +397,8 @@ PathSet BasicDerivation::outputPaths() const
 Source & readDerivation(Source & in, Store & store, BasicDerivation & drv)
 {
     drv.outputs.clear();
-    auto nr = readInt(in);
-    for (unsigned int n = 0; n < nr; n++) {
+    auto nr = readNum<size_t>(in);
+    for (size_t n = 0; n < nr; n++) {
         auto name = readString(in);
         DerivationOutput o;
         in >> o.path >> o.hashAlgo >> o.hash;
@@ -410,8 +410,8 @@ Source & readDerivation(Source & in, Store & store, BasicDerivation & drv)
     in >> drv.platform >> drv.builder;
     drv.args = readStrings<Strings>(in);
 
-    nr = readInt(in);
-    for (unsigned int n = 0; n < nr; n++) {
+    nr = readNum<size_t>(in);
+    for (size_t n = 0; n < nr; n++) {
         auto key = readString(in);
         auto value = readString(in);
         drv.env[key] = value;
diff --git a/src/libstore/export-import.cc b/src/libstore/export-import.cc
index c5618c826c54..e584ae538dae 100644
--- a/src/libstore/export-import.cc
+++ b/src/libstore/export-import.cc
@@ -86,7 +86,7 @@ Paths Store::importPaths(Source & source, std::shared_ptr<FSAccessor> accessor,
 {
     Paths res;
     while (true) {
-        unsigned long long n = readLongLong(source);
+        auto n = readNum<uint64_t>(source);
         if (n == 0) break;
         if (n != 1) throw Error("input doesn't look like something created by ‘nix-store --export’");
 
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 7f398685a2c1..6428259144a5 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -108,7 +108,7 @@ void RemoteStore::initConnection(Connection & conn)
         unsigned int magic = readInt(conn.from);
         if (magic != WORKER_MAGIC_2) throw Error("protocol mismatch");
 
-        conn.daemonVersion = readInt(conn.from);
+        conn.from >> conn.daemonVersion;
         if (GET_PROTOCOL_MAJOR(conn.daemonVersion) != GET_PROTOCOL_MAJOR(PROTOCOL_VERSION))
             throw Error("Nix daemon protocol version not supported");
         if (GET_PROTOCOL_MINOR(conn.daemonVersion) < 10)
@@ -170,8 +170,7 @@ bool RemoteStore::isValidPathUncached(const Path & path)
     auto conn(connections->get());
     conn->to << wopIsValidPath << path;
     conn->processStderr();
-    unsigned int reply = readInt(conn->from);
-    return reply != 0;
+    return readInt(conn->from);
 }
 
 
@@ -246,8 +245,8 @@ void RemoteStore::querySubstitutablePathInfos(const PathSet & paths,
 
         conn->to << wopQuerySubstitutablePathInfos << paths;
         conn->processStderr();
-        unsigned int count = readInt(conn->from);
-        for (unsigned int n = 0; n < count; n++) {
+        size_t count = readNum<size_t>(conn->from);
+        for (size_t n = 0; n < count; n++) {
             Path path = readStorePath(*this, conn->from);
             SubstitutablePathInfo & info(infos[path]);
             info.deriver = readString(conn->from);
@@ -277,7 +276,7 @@ void RemoteStore::queryPathInfoUncached(const Path & path,
             throw;
         }
         if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 17) {
-            bool valid = readInt(conn->from) != 0;
+            bool valid; conn->from >> valid;
             if (!valid) throw InvalidPath(format("path ‘%s’ is not valid") % path);
         }
         auto info = std::make_shared<ValidPathInfo>();
@@ -286,12 +285,11 @@ void RemoteStore::queryPathInfoUncached(const Path & path,
         if (info->deriver != "") assertStorePath(info->deriver);
         info->narHash = parseHash(htSHA256, readString(conn->from));
         info->references = readStorePaths<PathSet>(*this, conn->from);
-        info->registrationTime = readInt(conn->from);
-        info->narSize = readLongLong(conn->from);
+        conn->from >> info->registrationTime >> info->narSize;
         if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 16) {
-            info->ultimate = readInt(conn->from) != 0;
+            conn->from >> info->ultimate;
             info->sigs = readStrings<StringSet>(conn->from);
-            info->ca = readString(conn->from);
+            conn->from >> info->ca;
         }
         return info;
     });
@@ -515,7 +513,7 @@ Roots RemoteStore::findRoots()
     auto conn(connections->get());
     conn->to << wopFindRoots;
     conn->processStderr();
-    unsigned int count = readInt(conn->from);
+    size_t count = readNum<size_t>(conn->from);
     Roots result;
     while (count--) {
         Path link = readString(conn->from);
@@ -563,7 +561,7 @@ bool RemoteStore::verifyStore(bool checkContents, bool repair)
     auto conn(connections->get());
     conn->to << wopVerifyStore << checkContents << repair;
     conn->processStderr();
-    return readInt(conn->from) != 0;
+    return readInt(conn->from);
 }
 
 
@@ -599,7 +597,7 @@ void RemoteStore::Connection::processStderr(Sink * sink, Source * source)
         }
         else if (msg == STDERR_READ) {
             if (!source) throw Error("no source");
-            size_t len = readInt(from);
+            size_t len = readNum<size_t>(from);
             auto buf = std::make_unique<unsigned char[]>(len);
             writeString(buf.get(), source->read(buf.get(), len), to);
             to.flush();