accept single '-' as argument, such as in cat - (#153)

2018-12-19 21:58:37 +01:00 · 2018-12-19 21:58:37 +01:00 · 0edf37b6cc
commit 0edf37b6cc
parent 5950d78558
1 changed files with 1 additions and 1 deletions
--- a/include/cxxopts.hpp
+++ b/include/cxxopts.hpp
@ -1723,7 +1723,7 @@ ParseResult::parse(int& argc, char**& argv)
      //not a flag

      // but if it starts with a `-`, then it's an error
-      if (argv[current][0] == '-') {
+      if (argv[current][0] == '-' && argv[current][1] != '\0') {
        throw option_syntax_exception(argv[current]);
      }