Fixed warn: comparison between signed and unsigned integer expressions

2 files changed, 6 insertions, 3 deletions

diff --git a/base/base_tests/stl_helpers_test.cpp b/base/base_tests/stl_helpers_test.cpp
index 424007c40f..59f8315455 100644
--- a/base/base_tests/stl_helpers_test.cpp
+++ b/base/base_tests/stl_helpers_test.cpp
@@ -91,7 +91,7 @@ UNIT_TEST(LessBy)
 
     std::vector<Value> v = {{2, 2}, {0, 4}, {3, 1}, {4, 0}, {1, 3}};
     std::sort(v.begin(), v.end(), my::LessBy(&Value::first));
-    for (size_t i = 0; i < v.size(); ++i)
+    for (int i = 0; i < static_cast<int>(v.size()); ++i)
       TEST_EQUAL(i, v[i].first, ());
 
     std::vector<Value const *> pv;
@@ -99,7 +99,7 @@ UNIT_TEST(LessBy)
       pv.push_back(&p);
 
     std::sort(pv.begin(), pv.end(), my::LessBy(&Value::second));
-    for (size_t i = 0; i < pv.size(); ++i)
+    for (int i = 0; i < static_cast<int>(pv.size()); ++i)
       TEST_EQUAL(i, pv[i]->second, ());
   }
 
diff --git a/base/levenshtein_dfa.cpp b/base/levenshtein_dfa.cpp
index 9c0b09b00c..82da404b61 100644
--- a/base/levenshtein_dfa.cpp
+++ b/base/levenshtein_dfa.cpp
@@ -8,6 +8,7 @@
 #include <set>
 #include <sstream>
 #include <vector>
+#include <iterator>
 
 namespace strings
 {
@@ -200,7 +201,9 @@ LevenshteinDFA::LevenshteinDFA(UniString const & s, size_t prefixSize,
   m_alphabet.assign(s.begin(), s.end());
   CHECK_LESS_OR_EQUAL(prefixSize, s.size(), ());
 
-  for (auto it = s.begin(); std::distance(it, s.begin()) < prefixSize; ++it)
+  auto pSize = static_cast<typename std::iterator_traits<
+          UniString::iterator>::difference_type>(prefixSize);
+  for (auto it = s.begin(); std::distance(it, s.begin()) < pSize; ++it)
   {
     for (auto const & misprints : prefixMisprints)
     {