Hi Kristen,
On 08/18/2010 06:25 AM, Kristen Carlson Accardi wrote:
> Read EFimg when the sim is ready, and store it in memory.
> ---
> src/sim.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 47 insertions(+), 0 deletions(-)
>
> diff --git a/src/sim.c b/src/sim.c
> index d2ed780..6d723bb 100644
> --- a/src/sim.c
> +++ b/src/sim.c
> @@ -88,6 +88,8 @@ struct ofono_sim {
> unsigned char efmsisdn_records;
> unsigned char *efli;
> unsigned char efli_length;
> + unsigned char *efimg;
> + int efimg_length;
> enum ofono_sim_cphs_phase cphs_phase;
> unsigned char cphs_service_table[2];
> struct ofono_watchlist *state_watches;
> @@ -1001,6 +1003,44 @@ static void sim_own_numbers_update(struct ofono_sim
> *sim)
> sim_msisdn_read_cb, sim);
> }
>
> +static void sim_efimg_read_cb(int ok, int length, int record,
> + const unsigned char *data,
> + int record_length, void *userdata)
> +{
> + struct ofono_sim *sim = userdata;
> + unsigned char *efimg;
> + int num_records = length / record_length;
Doing this before checking OK will result in a division by zero.
> +
> + if (!ok)
> + return;
> +
> + /*
> + * EFimg descriptors are 9 bytes long.
> + * Byte 1 of the record is the number of descriptors per record.
> + */
> + if (record_length < 10)
> + return;
I also suggest doing something like:
if ((record_length % 9) != 2 && (record_length % 9) != 1)
return;
to be very pedantic.
> +
> + if (sim->efimg == NULL) {
> + sim->efimg = g_try_malloc0(num_records * 9);
> +
> + if (sim->efimg == NULL)
> + return;
> +
> + sim->efimg_length = num_records * 9;
> + }
> +
> + /*
> + * TBD - if we have more than one descriptor per record,
> + * pick the nicest one. For now we use the first one.
> + */
> +
> + /* copy descriptor into slot for this record */
> + efimg = &sim->efimg[(record - 1) * 9];
> +
> + memcpy(efimg, &data[1], 9);
> +}
> +
> static void sim_ready(void *user, enum ofono_sim_state new_state)
> {
> struct ofono_sim *sim = user;
> @@ -1015,6 +1055,8 @@ static void sim_ready(void *user, enum ofono_sim_state
> new_state)
> sim_ad_read_cb, sim);
> ofono_sim_read(sim, SIM_EFSDN_FILEID, OFONO_SIM_FILE_STRUCTURE_FIXED,
> sim_sdn_read_cb, sim);
> + ofono_sim_read(sim, SIM_EFIMG_FILEID, OFONO_SIM_FILE_STRUCTURE_FIXED,
> + sim_efimg_read_cb, sim);
> }
>
> static void sim_cphs_information_read_cb(int ok, int length, int record,
> @@ -1934,6 +1976,11 @@ static void sim_free_state(struct ofono_sim *sim)
> g_strfreev(sim->language_prefs);
> sim->language_prefs = NULL;
> }
> +
> + if (sim->efimg) {
> + g_free(sim->efimg);
> + sim->efimg = NULL;
> + }
> }
>
> void ofono_sim_inserted_notify(struct ofono_sim *sim, ofono_bool_t inserted)
Otherwise looks fine.
Regards,
-Denis
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