2010-03-05 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>

	Fixed the bug that util::itos(INT64_MIN) fails.
	* src/util.cc
	* src/util.h
	* test/UtilTest.cc

2 files changed, 24 insertions, 14 deletions

diff --git a/src/util.cc b/src/util.cc
index 354be86e..d69967c1 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -139,6 +139,29 @@ std::pair<std::string, std::string> split(const std::string& src, const std::str
   return hp;
 }
 
+std::string itos(int64_t value, bool comma)
+{
+  bool flag = false;
+  std::string str;
+  if(value < 0) {
+    if(value == INT64_MIN) {
+      if(comma) {
+        str = "-9,223,372,036,854,775,808";
+      } else {
+        str = "-9223372036854775808";
+      }
+      return str;
+    }
+    flag = true;
+    value = -value;
+  }
+  str = uitos(value, comma);
+  if(flag) {
+    str.insert(str.begin(), '-');
+  }
+  return str;
+}
+
 int64_t difftv(struct timeval tv1, struct timeval tv2) {
   if((tv1.tv_sec < tv2.tv_sec) ||
      ((tv1.tv_sec == tv2.tv_sec) && (tv1.tv_usec < tv2.tv_usec))) {
diff --git a/src/util.h b/src/util.h
index 4aefe6b0..e98a9103 100644
--- a/src/util.h
+++ b/src/util.h
@@ -113,20 +113,7 @@ std::string uitos(T value, bool comma = false)
   return str;
 }
 
-template<typename T>
-std::string itos(T value, bool comma = false)
-{
-  bool flag = false;
-  if(value < 0) {
-    flag = true;
-    value = -value;
-  }
-  std::string str = uitos(value, comma);
-  if(flag) {
-    str.insert(str.begin(), '-');
-  }
-  return str;
-}
+std::string itos(int64_t value, bool comma = false);
 
 /**
  * Computes difference in micro-seconds between tv1 and tv2,