Add [[nodiscard]] to Read() too

2 files changed, 5 insertions, 3 deletions

diff --git a/searchlib/src/vespa/searchlib/diskindex/bitvectordictionary.cpp b/searchlib/src/vespa/searchlib/diskindex/bitvectordictionary.cpp
index 29c82936076..f6dd5a318ae 100644
--- a/searchlib/src/vespa/searchlib/diskindex/bitvectordictionary.cpp
+++ b/searchlib/src/vespa/searchlib/diskindex/bitvectordictionary.cpp
@@ -53,7 +53,8 @@ BitVectorDictionary::open(const vespalib::string &pathPrefix,
         size_t bufSize = sizeof(WordSingleKey) * numEntries;
         assert(idxFile.GetSize() >= static_cast<int64_t>(idxHeaderLen + bufSize));
         if (bufSize > 0) {
-            idxFile.Read(&_entries[0], bufSize);
+            ssize_t has_read = idxFile.Read(&_entries[0], bufSize);
+            assert(has_read == ssize_t(bufSize));
         }
     }
 
diff --git a/searchlib/src/vespa/searchlib/diskindex/wordnummapper.cpp b/searchlib/src/vespa/searchlib/diskindex/wordnummapper.cpp
index cd9cd6c34da..3c74ab5ff07 100644
--- a/searchlib/src/vespa/searchlib/diskindex/wordnummapper.cpp
+++ b/searchlib/src/vespa/searchlib/diskindex/wordnummapper.cpp
@@ -2,6 +2,7 @@
 
 #include "wordnummapper.h"
 #include <vespa/fastlib/io/bufferedfile.h>
+#include <cassert>
 
 namespace search::diskindex {
 
@@ -30,8 +31,8 @@ WordNumMapping::readMappingFile(const vespalib::string &name,
     map.resize(tempfileentries + 2);
     _oldDictSize = tempfileentries;
 
-    old2newwordfile.Read(&map[1],
-                         static_cast<size_t>(tempfilesize));
+    ssize_t has_read = old2newwordfile.Read(&map[1], static_cast<size_t>(tempfilesize));
+    assert(has_read == tempfilesize);
     map[0] = noWordNum();
     map[tempfileentries + 1] = noWordNumHigh();
 }