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scd: Add code to check whether app switching is possible.

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* scd/app.c (check_conflict): Fold into ...
(check_application_conflict): this and adjust callers.  Return a
different error code if it is possible to switch apps.
--

Right now this change does nothing visible.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-06-21 11:41:58 +02:00
parent 91e2931caa
commit 1b78e4951e
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GPG key ID: E3FDFF218E45B72B
3 changed files with 34 additions and 20 deletions
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scd/app-common.h
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@ -228,7 +228,7 @@ char *app_get_serialno (app_t app);
void app_dump_state (void);
void application_notify_card_reset (int slot);
gpg_error_t check_application_conflict (const char *name, card_t card);
gpg_error_t check_application_conflict (card_t card, const char *name);
gpg_error_t card_reset (card_t card, ctrl_t ctrl, int send_reset);
gpg_error_t select_application (ctrl_t ctrl, const char *name, card_t *r_app,
int scan, const unsigned char *serialno_bin,