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// SPDX-License-Identifier: GPL-2.0
#include "event.h"
#include "subsurface-string.h"
#include <string.h>
#include <stdlib.h>
int event_is_gaschange(const struct event *ev)
{
return ev->type == SAMPLE_EVENT_GASCHANGE ||
ev->type == SAMPLE_EVENT_GASCHANGE2;
}
bool event_is_divemodechange(const struct event *ev)
{
return same_string(ev->name, "modechange");
}
struct event *clone_event(const struct event *src_ev)
{
struct event *ev;
if (!src_ev)
return NULL;
size_t size = sizeof(*src_ev) + strlen(src_ev->name) + 1;
ev = (struct event*) malloc(size);
if (!ev)
exit(1);
memcpy(ev, src_ev, size);
ev->next = NULL;
return ev;
}
void free_events(struct event *ev)
{
while (ev) {
struct event *next = ev->next;
free(ev);
ev = next;
}
}
struct event *create_event(unsigned int time, int type, int flags, int value, const char *name)
{
int gas_index = -1;
struct event *ev;
unsigned int size, len = strlen(name);
size = sizeof(*ev) + len + 1;
ev = malloc(size);
if (!ev)
return NULL;
memset(ev, 0, size);
memcpy(ev->name, name, len);
ev->time.seconds = time;
ev->type = type;
ev->flags = flags;
ev->value = value;
/*
* Expand the events into a sane format. Currently
* just gas switches
*/
switch (type) {
case SAMPLE_EVENT_GASCHANGE2:
/* High 16 bits are He percentage */
ev->gas.mix.he.permille = (value >> 16) * 10;
/* Extension to the GASCHANGE2 format: cylinder index in 'flags' */
/* TODO: verify that gas_index < num_cylinders. */
if (flags > 0)
gas_index = flags-1;
/* Fallthrough */
case SAMPLE_EVENT_GASCHANGE:
/* Low 16 bits are O2 percentage */
ev->gas.mix.o2.permille = (value & 0xffff) * 10;
ev->gas.index = gas_index;
break;
}
return ev;
}
struct event *clone_event_rename(const struct event *ev, const char *name)
{
return create_event(ev->time.seconds, ev->type, ev->flags, ev->value, name);
}
bool same_event(const struct event *a, const struct event *b)
{
if (a->time.seconds != b->time.seconds)
return 0;
if (a->type != b->type)
return 0;
if (a->flags != b->flags)
return 0;
if (a->value != b->value)
return 0;
return !strcmp(a->name, b->name);
}
/* collect all event names and whether we display them */
struct ev_select *ev_namelist = NULL;
int evn_used = 0;
static int evn_allocated = 0;
void clear_events(void)
{
for (int i = 0; i < evn_used; i++)
free(ev_namelist[i].ev_name);
evn_used = 0;
}
void remember_event(const char *eventname)
{
int i = 0, len;
if (!eventname || (len = strlen(eventname)) == 0)
return;
while (i < evn_used) {
if (!strncmp(eventname, ev_namelist[i].ev_name, len))
return;
i++;
}
if (evn_used == evn_allocated) {
evn_allocated += 10;
ev_namelist = realloc(ev_namelist, evn_allocated * sizeof(struct ev_select));
if (!ev_namelist)
/* we are screwed, but let's just bail out */
return;
}
ev_namelist[evn_used].ev_name = strdup(eventname);
ev_namelist[evn_used].plot_ev = true;
evn_used++;
}
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