Fix uninitialized values when parsing zeroes

`0.e0` will not initialize the significant reference argument. `00[..]0.[0...]` will not initialize exponent nor significant.
boostorg · Dec 27, 2024 · dc05f5d · dc05f5d
1 parent 43f4a45
commit dc05f5d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/boost/charconv/detail/parser.hpp b/include/boost/charconv/detail/parser.hpp
@@ -252,6 +252,8 @@ inline from_chars_result parser(const char* first, const char* last, bool& sign,
 
             if (next == last)
             {
+                significand = 0;
+                exponent = 0;
                 return {last, std::errc()};
             }
         }
@@ -366,6 +368,8 @@ inline from_chars_result parser(const char* first, const char* last, bool& sign,
                 significand += 1;
             }
         }
+        else
+            significand = 0;
     }
     else
     {