change int into size_t for memsize-type loop counter (PVS)

Author: dota17

include/json/reader.h

@@ -217,8 +217,8 @@ class JSONCPP_DEPRECATED(
   void skipUntilSpace();
   Value& currentValue();
   Char getNextChar();
-  void getLocationLineAndColumn(Location location, int& line,
-                                int& column) const;
+  void getLocationLineAndColumn(Location location, size_t& line,
+                                size_t& column) const;
   String getLocationLineAndColumn(Location location) const;
   void addComment(Location begin, Location end, CommentPlacement placement);
   void skipCommentTokens(Token& token);

src/lib_json/json_reader.cpp

@@ -761,8 +761,8 @@ Reader::Char Reader::getNextChar() {
   return *current_++;
 }
 
-void Reader::getLocationLineAndColumn(Location location, int& line,
-                                      int& column) const {
+void Reader::getLocationLineAndColumn(Location location, size_t& line,
+                                      size_t& column) const {
   Location current = begin_;
   Location lastLineStart = current;
   line = 0;
@@ -784,10 +784,11 @@ void Reader::getLocationLineAndColumn(Location location, int& line,
 }
 
 String Reader::getLocationLineAndColumn(Location location) const {
-  int line, column;
+  size_t line, column;
   getLocationLineAndColumn(location, line, column);
   char buffer[18 + 16 + 16 + 1];
-  jsoncpp_snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
+  jsoncpp_snprintf(buffer, sizeof(buffer), "Line %zu, Column %zu", line,
+                   column);
   return buffer;
 }
 
@@ -965,8 +966,8 @@ class OurReader {
   void skipUntilSpace();
   Value& currentValue();
   Char getNextChar();
-  void getLocationLineAndColumn(Location location, int& line,
-                                int& column) const;
+  void getLocationLineAndColumn(Location location, size_t& line,
+                                size_t& column) const;
   String getLocationLineAndColumn(Location location) const;
   void addComment(Location begin, Location end, CommentPlacement placement);
   void skipCommentTokens(Token& token);
@@ -1783,8 +1784,8 @@ OurReader::Char OurReader::getNextChar() {
   return *current_++;
 }
 
-void OurReader::getLocationLineAndColumn(Location location, int& line,
-                                         int& column) const {
+void OurReader::getLocationLineAndColumn(Location location, size_t& line,
+                                         size_t& column) const {
   Location current = begin_;
   Location lastLineStart = current;
   line = 0;
@@ -1806,10 +1807,11 @@ void OurReader::getLocationLineAndColumn(Location location, int& line,
 }
 
 String OurReader::getLocationLineAndColumn(Location location) const {
-  int line, column;
+  size_t line, column;
   getLocationLineAndColumn(location, line, column);
   char buffer[18 + 16 + 16 + 1];
-  jsoncpp_snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
+  jsoncpp_snprintf(buffer, sizeof(buffer), "Line %zu, Column %zu", line,
+                   column);
   return buffer;
 }