diff options
| -rw-r--r-- | core/ustring.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/ustring.cpp b/core/ustring.cpp index 6788ada1bb..0d887210c3 100644 --- a/core/ustring.cpp +++ b/core/ustring.cpp @@ -3491,7 +3491,7 @@ bool String::is_valid_integer() const { return false; int from=0; - if (operator[](0)=='+' || operator[](0)=='-') + if (len!=1 && (operator[](0)=='+' || operator[](0)=='-')) from++; for(int i=from;i<len;i++) { |