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modules: use calloc() instead of malloc()

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In cases where it makes sense, use calloc() instead of malloc():

* When allocating large objects with many members, many for which
  NULL/0 is a good default value.
* Arrays etc where we explicitly initialize to NULL anyway.
This commit is contained in:
Daniel Eklöf 2019-02-09 11:11:31 +01:00
parent 6bba9200cf
commit b6e61f9c7e
11 changed files with 12 additions and 58 deletions
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11
modules/battery.c
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@ -327,20 +327,11 @@ out:
static struct module *
battery_new(const char *battery, struct particle *label, int poll_interval_secs)
{
struct private *m = malloc(sizeof(*m));
struct private *m = calloc(1, sizeof(*m));
m->label = label;
m->poll_interval = poll_interval_secs;
m->battery = strdup(battery);
m->manufacturer = NULL;
m->model = NULL;
m->energy_full_design = 0;
m->energy_full = 0;
m->state = STATE_DISCHARGING;
m->capacity = 0;
m->energy = 0;
m->power = 0;
struct module *mod = module_common_new();
mod->private = m;