Fix some compiler warnings & buffer overflows

1 files changed, 6 insertions, 4 deletions

diff --git a/src/io/InputFragment.cxx b/src/io/InputFragment.cxx
index 595b88b1..827aa372 100644
--- a/src/io/InputFragment.cxx
+++ b/src/io/InputFragment.cxx
@@ -76,16 +76,18 @@ namespace OpenAxiom {
 
    // Return true if line is entirely a positive comment, i.e. a description.
    static bool positive_comment(const Line& line) {
-      if (line.indent + 1 >= line.length())
+      std::size_t i = line.indent + 1;
+      if (i >= line.length())
          return false;
-      return line[line.indent] == '+' and line[line.indent + 1] == '+';
+      return line[line.indent] == '+' and line[i] == '+';
    }
 
    // Return true if line is entirely a negative comment.
    static bool negative_comment(const Line& line) {
-      if (line.indent + 1 >= line.length())
+      std::size_t i = line.indent + 1;
+      if (i >= line.length())
          return false;
-      return line[line.indent] == '-' and line[line.indent + 1] == '-';
+      return line[line.indent] == '-' and line[i] == '-';
    }
    
    // Clean up and dress up the line with indentation information.