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-rw-r--r--NK_C_API.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/NK_C_API.h b/NK_C_API.h
index d5c54a3..c4cb448 100644
--- a/NK_C_API.h
+++ b/NK_C_API.h
@@ -451,6 +451,7 @@ extern "C" {
/**
* Get currently set config - status of function Numlock/Capslock/Scrollock OTP sending and is enabled PIN protected OTP
+ * The return value must be freed using NK_free_config.
* @see NK_write_config
* @return uint8_t general_config[5]:
* uint8_t numlock;
@@ -462,6 +463,12 @@ extern "C" {
*/
NK_C_API uint8_t* NK_read_config();
+ /**
+ * Free a value returned by NK_read_config. May be called with a NULL
+ * argument.
+ */
+ NK_C_API void NK_free_config(uint8_t* config);
+
//OTP
/**
@@ -634,10 +641,17 @@ extern "C" {
/**
* Get password safe slots' status
+ * The return value must be freed using NK_free_password_safe_slot_status.
* @return uint8_t[16] slot statuses - each byte represents one slot with 0 (not programmed) and 1 (programmed)
*/
NK_C_API uint8_t * NK_get_password_safe_slot_status();
+ /**
+ * Free a value returned by NK_get_password_safe_slot_status. May be
+ * called with a NULL argument.
+ */
+ NK_C_API void NK_free_password_safe_slot_status(uint8_t* status);
+
/**
* Get password safe slot name
* @param slot_number password safe slot number, slot_number<16