prefork: Insist on script (separately) with combined options

cgi-fcgi-interp always insists on this anyway, but prefork-interp
won't and ought to check this.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/cprogs/prefork.c b/cprogs/prefork.c
index 437923f88c3dbeb2ae0e49f4552eaf0e57015adc..425974c0ad5979aa6628aa20aee7dd661bd07407 100644 (file)
--- a/cprogs/prefork.c
+++ b/cprogs/prefork.c
@@ -233,6 +233,9 @@ void process_opts(const char *const **argv_io) {
 
     shbang_opts(&split_argv, cmdinfos);
     /* sets interp */
+
+    if (!**argv_io)
+      badusage("no script argument (expected after combined #! options)");
   } else {
     shbang_opts(argv_io, cmdinfos);
   }