drivers: Use g_strdup_printf() where possible.

This commit is contained in:
Uwe Hermann 2017-08-06 18:22:26 +02:00
parent 8ebad34370
commit d2391b5453
3 changed files with 11 additions and 44 deletions

View File

@ -481,7 +481,6 @@ SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
struct dev_context *devc;
struct scope_state *state;
const struct scope_config *config;
int tmp;
unsigned int i;
float tmp_float;
@ -635,7 +634,6 @@ SR_PRIV void hmo_scope_state_free(struct scope_state *state)
SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
{
char tmp[25];
int model_index;
unsigned int i, j, group;
struct sr_channel *ch;
@ -684,11 +682,8 @@ SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
/* Add digital channel groups. */
for (i = 0; i < scope_models[model_index].digital_pods; i++) {
g_snprintf(tmp, 25, "POD%d", i);
devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
devc->digital_groups[i]->name = g_strdup(tmp);
devc->digital_groups[i]->name = g_strdup_printf("POD%d", i);
sdi->channel_groups = g_slist_append(sdi->channel_groups,
devc->digital_groups[i]);
}

View File

@ -769,7 +769,6 @@ SR_PRIV int dlm_model_get(char *model_id, char **model_name, int *model_index)
*/
SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index)
{
char tmp[25];
int i;
struct sr_channel *ch;
struct dev_context *devc;
@ -799,13 +798,10 @@ SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index)
/* Add digital channel groups. */
for (i = 0; i < scope_models[model_index].pods; i++) {
g_snprintf(tmp, sizeof(tmp), "POD%d", i);
devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
if (!devc->digital_groups[i])
return SR_ERR_MALLOC;
devc->digital_groups[i]->name = g_strdup(tmp);
devc->digital_groups[i]->name = g_strdup_printf("POD%d", i);
sdi->channel_groups = g_slist_append(sdi->channel_groups,
devc->digital_groups[i]);
}

View File

@ -366,42 +366,31 @@ SR_API char *sr_samplerate_string(uint64_t samplerate)
SR_API char *sr_period_string(uint64_t v_p, uint64_t v_q)
{
double freq, v;
char *o;
int prec, r;
int prec;
freq = 1 / ((double)v_p / v_q);
o = g_malloc0(30 + 1);
if (freq > SR_GHZ(1)) {
v = (double)v_p / v_q * 1000000000000.0;
prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3;
r = snprintf(o, 30, "%.*f ps", prec, v);
return g_strdup_printf("%.*f ps", prec, v);
} else if (freq > SR_MHZ(1)) {
v = (double)v_p / v_q * 1000000000.0;
prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3;
r = snprintf(o, 30, "%.*f ns", prec, v);
return g_strdup_printf("%.*f ns", prec, v);
} else if (freq > SR_KHZ(1)) {
v = (double)v_p / v_q * 1000000.0;
prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3;
r = snprintf(o, 30, "%.*f us", prec, v);
return g_strdup_printf("%.*f us", prec, v);
} else if (freq > 1) {
v = (double)v_p / v_q * 1000.0;
prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3;
r = snprintf(o, 30, "%.*f ms", prec, v);
return g_strdup_printf("%.*f ms", prec, v);
} else {
v = (double)v_p / v_q;
prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3;
r = snprintf(o, 30, "%.*f s", prec, v);
return g_strdup_printf("%.*f s", prec, v);
}
if (r < 0) {
/* Something went wrong... */
g_free(o);
return NULL;
}
return o;
}
/**
@ -422,25 +411,12 @@ SR_API char *sr_period_string(uint64_t v_p, uint64_t v_q)
*/
SR_API char *sr_voltage_string(uint64_t v_p, uint64_t v_q)
{
int r;
char *o;
o = g_malloc0(30 + 1);
if (v_q == 1000)
r = snprintf(o, 30, "%" PRIu64 "mV", v_p);
return g_strdup_printf("%" PRIu64 "mV", v_p);
else if (v_q == 1)
r = snprintf(o, 30, "%" PRIu64 "V", v_p);
return g_strdup_printf("%" PRIu64 "V", v_p);
else
r = snprintf(o, 30, "%gV", (float)v_p / (float)v_q);
if (r < 0) {
/* Something went wrong... */
g_free(o);
return NULL;
}
return o;
return g_strdup_printf("%gV", (float)v_p / (float)v_q);
}
/**