tool_getparam: error if --next is used without a prior URL

Reported-by: 積丹尼 Dan Jacobson
Ref: https://github.com/curl/curl/pull/10769#discussion_r1137895629

Closes #10782

diff --git a/src/tool_getparam.c b/src/tool_getparam.c
index 17a6f5567d300662234e8caee3c36d5ecee488f8..6d6cac3dbd0443f09457a1001571d6c6945c7476 100644 (file)
--- a/src/tool_getparam.c
+++ b/src/tool_getparam.c
@@ -2526,6 +2526,10 @@ ParameterError parse_args(struct GlobalConfig *global, int argc,
             else
               result = PARAM_NO_MEM;
           }
+          else {
+            errorf(global, "missing URL before --next\n");
+            result = PARAM_BAD_USE;
+          }
         }
         else if(!result && passarg)
           i++; /* we're supposed to skip this */