Fix command line syntax "--+option" to set an option to its default.

gwsw · Nov 13, 2023 · 8b71b29 · 8b71b29
1 parent 58f749f
commit 8b71b29
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/option.c b/option.c
@@ -120,18 +120,19 @@ public void scan_option(constant char *s)
  * "--" indicates an option name instead of a letter.
  */
  if (*s == '-')
- {
  optname = ++s;
- break;
- }
  /*
- * "-+" means set these options back to their defaults.
- * (They may have been set otherwise by previous 
- * options.)
+ * "-+" or "--+" means set these options back to their defaults.
+ * (They may have been set otherwise by previous options.)
  */
  set_default = (*s == '+');
  if (set_default)
  s++;
+ if (optname != NULL)
+ {
+ optname = s;
+ break;
+ }
  continue;
  case '+':
  /*