drop: use correct option when cmd.exe is used as shell

Use the '/c' option to pass a command to cmd.exe.  This is similar
to what was previously done for 'su':  commit e5244175b (su: use
correct option when cmd.exe is used as shell).

Adds 48-64 bytes.

(GitHub issue #438)

1 files changed, 2 insertions, 0 deletions

diff --git a/miscutils/drop.c b/miscutils/drop.c
index a1344ab65..bef1fa52b 100644
--- a/miscutils/drop.c
+++ b/miscutils/drop.c
@@ -140,6 +140,8 @@ int drop_main(int argc UNUSED_PARAM, char **argv)
                                 case 'd':
                                         if (opt_shell) {
                                                 arg = bb_basename(opt_shell);
+                                                if (strcasecmp(arg, "cmd.exe") == 0)
+                                                        opt = "/c";
                                                 exe = file_is_win32_exe(opt_shell);
                                         } else {
                                                 arg = "sh";