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author | Robin Krahl <robin.krahl@ireas.org> | 2020-04-02 15:51:25 +0200 |
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committer | Robin Krahl <robin.krahl@ireas.org> | 2020-04-02 15:53:15 +0200 |
commit | 2a7b3f4e2ae09d665f9783030323dfb1a4c5ee9f (patch) | |
tree | eaeae91f91b70580b2ca8dab38a9a9908be6d626 /NK_C_API.h | |
parent | b482abe3bf62ef46816e81ccdab68bc24f498ce6 (diff) | |
download | libnitrokey-2a7b3f4e2ae09d665f9783030323dfb1a4c5ee9f.tar.gz libnitrokey-2a7b3f4e2ae09d665f9783030323dfb1a4c5ee9f.tar.bz2 |
Add missing free functions to C API
This patch adds two missing free functions, NK_free_config and
NK_free_password_safe_slot_status, to enable memory-safe use of the C
API.
Fixes #173.
Diffstat (limited to 'NK_C_API.h')
-rw-r--r-- | NK_C_API.h | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -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 |