Cleanup: const-ify functions taking dives and divecomputers

Another small step in making things const-clean.
See also commit 605e1e19ed.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-08-23 19:18:43 +02:00 committed by Dirk Hohndel
parent b352eaae12
commit 011158b25c
7 changed files with 77 additions and 77 deletions

View file

@ -41,8 +41,6 @@ static const struct models_table_t g_models[] = {
{0xEE, 0x44, "Uwatec Unknown model", DC_FAMILY_UWATEC_ALADIN}, {0xEE, 0x44, "Uwatec Unknown model", DC_FAMILY_UWATEC_ALADIN},
}; };
extern struct sample *add_sample(struct sample *sample, int time, struct divecomputer *dc);
#define JUMP(_ptr, _n) if ((long) (_ptr += _n) > maxbuf) goto bail #define JUMP(_ptr, _n) if ((long) (_ptr += _n) > maxbuf) goto bail
#define CHECK(_ptr, _n) if ((long) _ptr + _n > maxbuf) goto bail #define CHECK(_ptr, _n) if ((long) _ptr + _n > maxbuf) goto bail
#define read_bytes(_n) \ #define read_bytes(_n) \

View file

@ -99,13 +99,13 @@ void add_sample_pressure(struct sample *sample, int sensor, int mbar)
* This function returns a negative number for "no legacy mode", * This function returns a negative number for "no legacy mode",
* or a non-negative number that indicates the o2 sensor index. * or a non-negative number that indicates the o2 sensor index.
*/ */
int legacy_format_o2pressures(struct dive *dive, struct divecomputer *dc) int legacy_format_o2pressures(const struct dive *dive, const struct divecomputer *dc)
{ {
int i, o2sensor; int i, o2sensor;
o2sensor = (dc->divemode == CCR) ? get_cylinder_idx_by_use(dive, OXYGEN) : -1; o2sensor = (dc->divemode == CCR) ? get_cylinder_idx_by_use(dive, OXYGEN) : -1;
for (i = 0; i < dc->samples; i++) { for (i = 0; i < dc->samples; i++) {
struct sample *s = dc->sample + i; const struct sample *s = dc->sample + i;
int seen_pressure = 0, idx; int seen_pressure = 0, idx;
for (idx = 0; idx < MAX_SENSORS; idx++) { for (idx = 0; idx < MAX_SENSORS; idx++) {
@ -480,7 +480,7 @@ static void free_pic(struct picture *picture);
/* this is very different from the copy_divecomputer later in this file; /* this is very different from the copy_divecomputer later in this file;
* this function actually makes full copies of the content */ * this function actually makes full copies of the content */
static void copy_dc(struct divecomputer *sdc, struct divecomputer *ddc) static void copy_dc(const struct divecomputer *sdc, struct divecomputer *ddc)
{ {
*ddc = *sdc; *ddc = *sdc;
ddc->model = copy_string(sdc->model); ddc->model = copy_string(sdc->model);
@ -556,7 +556,7 @@ void clear_dive(struct dive *d)
/* make a true copy that is independent of the source dive; /* make a true copy that is independent of the source dive;
* all data structures are duplicated, so the copy can be modified without * all data structures are duplicated, so the copy can be modified without
* any impact on the source */ * any impact on the source */
void copy_dive(struct dive *s, struct dive *d) void copy_dive(const struct dive *s, struct dive *d)
{ {
clear_dive(d); clear_dive(d);
/* simply copy things over, but then make actual copies of the /* simply copy things over, but then make actual copies of the
@ -597,7 +597,7 @@ struct dive *clone_dive(struct dive *s)
d->_component = copy_string(s->_component) d->_component = copy_string(s->_component)
// copy elements, depending on bits in what that are set // copy elements, depending on bits in what that are set
void selective_copy_dive(struct dive *s, struct dive *d, struct dive_components what, bool clear) void selective_copy_dive(const struct dive *s, struct dive *d, struct dive_components what, bool clear)
{ {
if (clear) if (clear)
clear_dive(d); clear_dive(d);
@ -641,9 +641,10 @@ struct event *clone_event(const struct event *src_ev)
} }
/* copies all events in this dive computer */ /* copies all events in this dive computer */
void copy_events(struct divecomputer *s, struct divecomputer *d) void copy_events(const struct divecomputer *s, struct divecomputer *d)
{ {
struct event *ev, **pev; const struct event *ev;
struct event **pev;
if (!s || !d) if (!s || !d)
return; return;
ev = s->events; ev = s->events;
@ -657,24 +658,24 @@ void copy_events(struct divecomputer *s, struct divecomputer *d)
*pev = NULL; *pev = NULL;
} }
int nr_cylinders(struct dive *dive) int nr_cylinders(const struct dive *dive)
{ {
int nr; int nr;
for (nr = MAX_CYLINDERS; nr; --nr) { for (nr = MAX_CYLINDERS; nr; --nr) {
cylinder_t *cylinder = dive->cylinder + nr - 1; const cylinder_t *cylinder = dive->cylinder + nr - 1;
if (!cylinder_nodata(cylinder)) if (!cylinder_nodata(cylinder))
break; break;
} }
return nr; return nr;
} }
int nr_weightsystems(struct dive *dive) int nr_weightsystems(const struct dive *dive)
{ {
int nr; int nr;
for (nr = MAX_WEIGHTSYSTEMS; nr; --nr) { for (nr = MAX_WEIGHTSYSTEMS; nr; --nr) {
weightsystem_t *ws = dive->weightsystem + nr - 1; const weightsystem_t *ws = dive->weightsystem + nr - 1;
if (!weightsystem_none(ws)) if (!weightsystem_none(ws))
break; break;
} }
@ -682,7 +683,7 @@ int nr_weightsystems(struct dive *dive)
} }
/* copy the equipment data part of the cylinders */ /* copy the equipment data part of the cylinders */
void copy_cylinders(struct dive *s, struct dive *d, bool used_only) void copy_cylinders(const struct dive *s, struct dive *d, bool used_only)
{ {
int i,j; int i,j;
cylinder_t t[MAX_CYLINDERS]; cylinder_t t[MAX_CYLINDERS];
@ -728,7 +729,7 @@ int cylinderuse_from_text(const char *text)
return -1; return -1;
} }
void copy_samples(struct divecomputer *s, struct divecomputer *d) void copy_samples(const struct divecomputer *s, struct divecomputer *d)
{ {
/* instead of carefully copying them one by one and calling add_sample /* instead of carefully copying them one by one and calling add_sample
* over and over again, let's just copy the whole blob */ * over and over again, let's just copy the whole blob */
@ -875,13 +876,13 @@ void fixup_dc_duration(struct divecomputer *dc)
/* Which cylinders had gas used? */ /* Which cylinders had gas used? */
#define SOME_GAS 5000 #define SOME_GAS 5000
static unsigned int get_cylinder_used(struct dive *dive) static unsigned int get_cylinder_used(const struct dive *dive)
{ {
int i; int i;
unsigned int mask = 0; unsigned int mask = 0;
for (i = 0; i < MAX_CYLINDERS; i++) { for (i = 0; i < MAX_CYLINDERS; i++) {
cylinder_t *cyl = dive->cylinder + i; const cylinder_t *cyl = dive->cylinder + i;
int start_mbar, end_mbar; int start_mbar, end_mbar;
if (cylinder_nodata(cyl)) if (cylinder_nodata(cyl))
@ -898,7 +899,7 @@ static unsigned int get_cylinder_used(struct dive *dive)
} }
/* Which cylinders do we know usage about? */ /* Which cylinders do we know usage about? */
static unsigned int get_cylinder_known(struct dive *dive, struct divecomputer *dc) static unsigned int get_cylinder_known(const struct dive *dive, const struct divecomputer *dc)
{ {
unsigned int mask = 0; unsigned int mask = 0;
const struct event *ev; const struct event *ev;
@ -925,7 +926,7 @@ static unsigned int get_cylinder_known(struct dive *dive, struct divecomputer *d
return mask; return mask;
} }
void per_cylinder_mean_depth(struct dive *dive, struct divecomputer *dc, int *mean, int *duration) void per_cylinder_mean_depth(const struct dive *dive, struct divecomputer *dc, int *mean, int *duration)
{ {
int i; int i;
int depthtime[MAX_CYLINDERS] = { 0, }; int depthtime[MAX_CYLINDERS] = { 0, };
@ -1018,7 +1019,7 @@ static void update_min_max_temperatures(struct dive *dive, temperature_t tempera
} }
} }
int gas_volume(cylinder_t *cyl, pressure_t p) int gas_volume(const cylinder_t *cyl, pressure_t p)
{ {
double bar = p.mbar / 1000.0; double bar = p.mbar / 1000.0;
double z_factor = gas_compressibility_factor(cyl->gasmix, bar); double z_factor = gas_compressibility_factor(cyl->gasmix, bar);
@ -1330,7 +1331,7 @@ static void fixup_duration(struct dive *dive)
* What do the dive computers say the water temperature is? * What do the dive computers say the water temperature is?
* (not in the samples, but as dc property for dcs that support that) * (not in the samples, but as dc property for dcs that support that)
*/ */
unsigned int dc_watertemp(struct divecomputer *dc) unsigned int dc_watertemp(const struct divecomputer *dc)
{ {
int sum = 0, nr = 0; int sum = 0, nr = 0;
@ -1354,7 +1355,7 @@ static void fixup_watertemp(struct dive *dive)
/* /*
* What do the dive computers say the air temperature is? * What do the dive computers say the air temperature is?
*/ */
unsigned int dc_airtemp(struct divecomputer *dc) unsigned int dc_airtemp(const struct divecomputer *dc)
{ {
int sum = 0, nr = 0; int sum = 0, nr = 0;
@ -1803,7 +1804,7 @@ struct dive *fixup_dive(struct dive *dive)
#define MERGE_TXT(res, a, b, n, sep) res->n = merge_text(a->n, b->n, sep) #define MERGE_TXT(res, a, b, n, sep) res->n = merge_text(a->n, b->n, sep)
#define MERGE_NONZERO(res, a, b, n) res->n = a->n ? a->n : b->n #define MERGE_NONZERO(res, a, b, n) res->n = a->n ? a->n : b->n
struct sample *add_sample(struct sample *sample, int time, struct divecomputer *dc) struct sample *add_sample(const struct sample *sample, int time, struct divecomputer *dc)
{ {
struct sample *p = prepare_sample(dc); struct sample *p = prepare_sample(dc);
@ -2055,7 +2056,7 @@ static void merge_events(struct divecomputer *res, struct divecomputer *src1, st
} }
} }
static void merge_weightsystem_info(weightsystem_t *res, weightsystem_t *a, weightsystem_t *b) static void merge_weightsystem_info(weightsystem_t *res, const weightsystem_t *a, const weightsystem_t *b)
{ {
if (!a->weight.grams) if (!a->weight.grams)
a = b; a = b;
@ -2229,7 +2230,7 @@ static int pdiff(pressure_t a, pressure_t b)
return a.mbar && b.mbar && a.mbar != b.mbar; return a.mbar && b.mbar && a.mbar != b.mbar;
} }
static int different_manual_pressures(cylinder_t *a, cylinder_t *b) static int different_manual_pressures(const cylinder_t *a, const cylinder_t *b)
{ {
return pdiff(a->start, b->start) || pdiff(a->end, b->end); return pdiff(a->start, b->start) || pdiff(a->end, b->end);
} }
@ -2243,12 +2244,12 @@ static int different_manual_pressures(cylinder_t *a, cylinder_t *b)
* same cylinder use (ie OC/Diluent/Oxygen), and if pressures * same cylinder use (ie OC/Diluent/Oxygen), and if pressures
* have been added manually they need to match. * have been added manually they need to match.
*/ */
static int match_cylinder(cylinder_t *cyl, struct dive *dive, unsigned int available) static int match_cylinder(const cylinder_t *cyl, const struct dive *dive, unsigned int available)
{ {
int i; int i;
for (i = 0; i < MAX_CYLINDERS; i++) { for (i = 0; i < MAX_CYLINDERS; i++) {
cylinder_t *target; const cylinder_t *target;
if (!(available & (1u << i))) if (!(available & (1u << i)))
continue; continue;
@ -2424,7 +2425,7 @@ static void merge_temperatures(struct dive *res, struct dive *a, struct dive *b)
* The 'next' dive is not involved in the dive merging, but is the dive * The 'next' dive is not involved in the dive merging, but is the dive
* that will be the next dive after the merged dive. * that will be the next dive after the merged dive.
*/ */
static void pick_trip(struct dive *res, struct dive *pick) static void pick_trip(struct dive *res, const struct dive *pick)
{ {
tripflag_t tripflag = pick->tripflag; tripflag_t tripflag = pick->tripflag;
dive_trip_t *trip = pick->divetrip; dive_trip_t *trip = pick->divetrip;
@ -2689,7 +2690,7 @@ static int similar(unsigned long a, unsigned long b, unsigned long expected)
* positive for "same dive" and negative for "definitely * positive for "same dive" and negative for "definitely
* not the same dive" * not the same dive"
*/ */
int match_one_dc(struct divecomputer *a, struct divecomputer *b) int match_one_dc(const struct divecomputer *a, const struct divecomputer *b)
{ {
/* Not same model? Don't know if matching.. */ /* Not same model? Don't know if matching.. */
if (!a->model || !b->model) if (!a->model || !b->model)
@ -2721,10 +2722,10 @@ int match_one_dc(struct divecomputer *a, struct divecomputer *b)
* 0 for "don't know" * 0 for "don't know"
* 1 for "is definitely the same dive" * 1 for "is definitely the same dive"
*/ */
static int match_dc_dive(struct divecomputer *a, struct divecomputer *b) static int match_dc_dive(const struct divecomputer *a, const struct divecomputer *b)
{ {
do { do {
struct divecomputer *tmp = b; const struct divecomputer *tmp = b;
do { do {
int match = match_one_dc(a, tmp); int match = match_one_dc(a, tmp);
if (match) if (match)
@ -2736,7 +2737,7 @@ static int match_dc_dive(struct divecomputer *a, struct divecomputer *b)
return 0; return 0;
} }
static bool new_without_trip(struct dive *a) static bool new_without_trip(const struct dive *a)
{ {
return a->downloaded && !a->divetrip; return a->downloaded && !a->divetrip;
} }
@ -2770,7 +2771,7 @@ static bool new_without_trip(struct dive *a)
* dives together manually. But this tries to handle the sane * dives together manually. But this tries to handle the sane
* cases. * cases.
*/ */
static int likely_same_dive(struct dive *a, struct dive *b) static int likely_same_dive(const struct dive *a, const struct dive *b)
{ {
int match, fuzz = 20 * 60; int match, fuzz = 20 * 60;
@ -2898,7 +2899,7 @@ static int same_dc(struct divecomputer *a, struct divecomputer *b)
return eva == evb; return eva == evb;
} }
static int might_be_same_device(struct divecomputer *a, struct divecomputer *b) static int might_be_same_device(const struct divecomputer *a, const struct divecomputer *b)
{ {
/* No dive computer model? That matches anything */ /* No dive computer model? That matches anything */
if (!a->model || !b->model) if (!a->model || !b->model)
@ -2957,7 +2958,7 @@ static struct divecomputer *find_matching_computer(struct divecomputer *match, s
} }
static void copy_dive_computer(struct divecomputer *res, struct divecomputer *a) static void copy_dive_computer(struct divecomputer *res, const struct divecomputer *a)
{ {
*res = *a; *res = *a;
res->model = copy_string(a->model); res->model = copy_string(a->model);

View file

@ -113,7 +113,7 @@ extern depth_t units_to_depth(double depth);
extern int units_to_sac(double volume); extern int units_to_sac(double volume);
/* Volume in mliter of a cylinder at pressure 'p' */ /* Volume in mliter of a cylinder at pressure 'p' */
extern int gas_volume(cylinder_t *cyl, pressure_t p); extern int gas_volume(const cylinder_t *cyl, pressure_t p);
extern double gas_compressibility_factor(struct gasmix gas, double bar); extern double gas_compressibility_factor(struct gasmix gas, double bar);
extern double isothermal_pressure(struct gasmix gas, double p1, int volume1, int volume2); extern double isothermal_pressure(struct gasmix gas, double p1, int volume1, int volume2);
extern double gas_density(struct gasmix gas, int pressure); extern double gas_density(struct gasmix gas, int pressure);
@ -487,7 +487,7 @@ extern bool time_during_dive_with_offset(struct dive *dive, timestamp_t when, ti
struct dive *find_dive_n_near(timestamp_t when, int n, timestamp_t offset); struct dive *find_dive_n_near(timestamp_t when, int n, timestamp_t offset);
/* Check if two dive computer entries are the exact same dive (-1=no/0=maybe/1=yes) */ /* Check if two dive computer entries are the exact same dive (-1=no/0=maybe/1=yes) */
extern int match_one_dc(struct divecomputer *a, struct divecomputer *b); extern int match_one_dc(const struct divecomputer *a, const struct divecomputer *b);
extern void parse_xml_init(void); extern void parse_xml_init(void);
extern int parse_xml_buffer(const char *url, const char *buf, int size, struct dive_table *table, const char **params); extern int parse_xml_buffer(const char *url, const char *buf, int size, struct dive_table *table, const char **params);
@ -547,8 +547,8 @@ extern struct dive *alloc_dive(void);
extern void record_dive_to_table(struct dive *dive, struct dive_table *table); extern void record_dive_to_table(struct dive *dive, struct dive_table *table);
extern void record_dive(struct dive *dive); extern void record_dive(struct dive *dive);
extern void clear_dive(struct dive *dive); extern void clear_dive(struct dive *dive);
extern void copy_dive(struct dive *s, struct dive *d); extern void copy_dive(const struct dive *s, struct dive *d);
extern void selective_copy_dive(struct dive *s, struct dive *d, struct dive_components what, bool clear); extern void selective_copy_dive(const struct dive *s, struct dive *d, struct dive_components what, bool clear);
extern struct dive *clone_dive(struct dive *s); extern struct dive *clone_dive(struct dive *s);
extern void clear_table(struct dive_table *table); extern void clear_table(struct dive_table *table);
@ -557,37 +557,38 @@ extern void alloc_samples(struct divecomputer *dc, int num);
extern void free_samples(struct divecomputer *dc); extern void free_samples(struct divecomputer *dc);
extern struct sample *prepare_sample(struct divecomputer *dc); extern struct sample *prepare_sample(struct divecomputer *dc);
extern void finish_sample(struct divecomputer *dc); extern void finish_sample(struct divecomputer *dc);
extern struct sample *add_sample(const struct sample *sample, int time, struct divecomputer *dc);
extern void add_sample_pressure(struct sample *sample, int sensor, int mbar); extern void add_sample_pressure(struct sample *sample, int sensor, int mbar);
extern int legacy_format_o2pressures(struct dive *dive, struct divecomputer *dc); extern int legacy_format_o2pressures(const struct dive *dive, const struct divecomputer *dc);
extern void sort_table(struct dive_table *table); extern void sort_table(struct dive_table *table);
extern struct dive *fixup_dive(struct dive *dive); extern struct dive *fixup_dive(struct dive *dive);
extern void fixup_dc_duration(struct divecomputer *dc); extern void fixup_dc_duration(struct divecomputer *dc);
extern int dive_getUniqID(); extern int dive_getUniqID();
extern unsigned int dc_airtemp(struct divecomputer *dc); extern unsigned int dc_airtemp(const struct divecomputer *dc);
extern unsigned int dc_watertemp(struct divecomputer *dc); extern unsigned int dc_watertemp(const struct divecomputer *dc);
extern int split_dive(struct dive *); extern int split_dive(struct dive *);
extern void split_dive_at_time(struct dive *dive, duration_t time); extern void split_dive_at_time(struct dive *dive, duration_t time);
extern struct dive *merge_dives(struct dive *a, struct dive *b, int offset, bool prefer_downloaded); extern struct dive *merge_dives(struct dive *a, struct dive *b, int offset, bool prefer_downloaded);
extern struct dive *try_to_merge(struct dive *a, struct dive *b, bool prefer_downloaded); extern struct dive *try_to_merge(struct dive *a, struct dive *b, bool prefer_downloaded);
extern struct event *clone_event(const struct event *src_ev); extern struct event *clone_event(const struct event *src_ev);
extern void copy_events(struct divecomputer *s, struct divecomputer *d); extern void copy_events(const struct divecomputer *s, struct divecomputer *d);
extern void free_events(struct event *ev); extern void free_events(struct event *ev);
extern void copy_cylinders(struct dive *s, struct dive *d, bool used_only); extern void copy_cylinders(const struct dive *s, struct dive *d, bool used_only);
extern void copy_samples(struct divecomputer *s, struct divecomputer *d); extern void copy_samples(const struct divecomputer *s, struct divecomputer *d);
extern bool is_cylinder_used(struct dive *dive, int idx); extern bool is_cylinder_used(const struct dive *dive, int idx);
extern bool is_cylinder_prot(struct dive *dive, int idx); extern bool is_cylinder_prot(const struct dive *dive, int idx);
extern void fill_default_cylinder(cylinder_t *cyl); extern void fill_default_cylinder(cylinder_t *cyl);
extern void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int time, int idx); extern void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int time, int idx);
extern struct event *add_event(struct divecomputer *dc, unsigned int time, int type, int flags, int value, const char *name); extern struct event *add_event(struct divecomputer *dc, unsigned int time, int type, int flags, int value, const char *name);
extern void remove_event(struct event *event); extern void remove_event(struct event *event);
extern void update_event_name(struct dive *d, struct event *event, const char *name); extern void update_event_name(struct dive *d, struct event *event, const char *name);
extern void add_extra_data(struct divecomputer *dc, const char *key, const char *value); extern void add_extra_data(struct divecomputer *dc, const char *key, const char *value);
extern void per_cylinder_mean_depth(struct dive *dive, struct divecomputer *dc, int *mean, int *duration); extern void per_cylinder_mean_depth(const struct dive *dive, struct divecomputer *dc, int *mean, int *duration);
extern int get_cylinder_index(const struct dive *dive, const struct event *ev); extern int get_cylinder_index(const struct dive *dive, const struct event *ev);
extern struct gasmix get_gasmix_from_event(const struct dive *, const struct event *ev); extern struct gasmix get_gasmix_from_event(const struct dive *, const struct event *ev);
extern int nr_cylinders(struct dive *dive); extern int nr_cylinders(const struct dive *dive);
extern int nr_weightsystems(struct dive *dive); extern int nr_weightsystems(const struct dive *dive);
/* UI related protopypes */ /* UI related protopypes */
@ -606,7 +607,7 @@ extern void clear_events(void);
extern void set_dc_nickname(struct dive *dive); extern void set_dc_nickname(struct dive *dive);
extern void set_autogroup(bool value); extern void set_autogroup(bool value);
extern int total_weight(struct dive *); extern int total_weight(const struct dive *);
#ifdef __cplusplus #ifdef __cplusplus
} }

View file

@ -7,8 +7,9 @@
* unsigned int amount_selected; * unsigned int amount_selected;
* void dump_selection(void) * void dump_selection(void)
* void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2low_p) * void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2low_p)
* int total_weight(struct dive *dive) * int total_weight(const struct dive *dive)
* int get_divenr(struct dive *dive) * int get_divenr(const struct dive *dive)
* int get_divesite_idx(const struct dive_site *ds)
* int init_decompression(struct dive *dive) * int init_decompression(struct dive *dive)
* void update_cylinder_related_info(struct dive *dive) * void update_cylinder_related_info(struct dive *dive)
* void dump_trip_list(void) * void dump_trip_list(void)
@ -26,6 +27,7 @@
* int unsaved_changes() * int unsaved_changes()
* void remove_autogen_trips() * void remove_autogen_trips()
* void sort_table(struct dive_table *table) * void sort_table(struct dive_table *table)
* bool is_trip_before_after(const struct dive *dive, bool before)
*/ */
#include <unistd.h> #include <unistd.h>
#include <stdio.h> #include <stdio.h>
@ -122,7 +124,7 @@ void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2max_p)
*o2max_p = maxo2; *o2max_p = maxo2;
} }
int total_weight(struct dive *dive) int total_weight(const struct dive *dive)
{ {
int i, total_grams = 0; int i, total_grams = 0;
@ -132,18 +134,18 @@ int total_weight(struct dive *dive)
return total_grams; return total_grams;
} }
static int active_o2(struct dive *dive, struct divecomputer *dc, duration_t time) static int active_o2(const struct dive *dive, const struct divecomputer *dc, duration_t time)
{ {
struct gasmix gas = get_gasmix_at_time(dive, dc, time); struct gasmix gas = get_gasmix_at_time(dive, dc, time);
return get_o2(gas); return get_o2(gas);
} }
/* calculate OTU for a dive - this only takes the first divecomputer into account */ /* calculate OTU for a dive - this only takes the first divecomputer into account */
static int calculate_otu(struct dive *dive) static int calculate_otu(const struct dive *dive)
{ {
int i; int i;
double otu = 0.0; double otu = 0.0;
struct divecomputer *dc = &dive->dc; const struct divecomputer *dc = &dive->dc;
for (i = 1; i < dc->samples; i++) { for (i = 1; i < dc->samples; i++) {
int t; int t;
@ -179,11 +181,11 @@ int const cns_table[][3] = {
}; };
/* Calculate the CNS for a single dive */ /* Calculate the CNS for a single dive */
double calculate_cns_dive(struct dive *dive) static double calculate_cns_dive(const struct dive *dive)
{ {
int n; int n;
size_t j; size_t j;
struct divecomputer *dc = &dive->dc; const struct divecomputer *dc = &dive->dc;
double cns = 0.0; double cns = 0.0;
/* Caclulate the CNS for each sample in this dive and sum them */ /* Caclulate the CNS for each sample in this dive and sum them */
@ -345,14 +347,14 @@ static int calculate_cns(struct dive *dive)
/* /*
* Return air usage (in liters). * Return air usage (in liters).
*/ */
static double calculate_airuse(struct dive *dive) static double calculate_airuse(const struct dive *dive)
{ {
int airuse = 0; int airuse = 0;
int i; int i;
for (i = 0; i < MAX_CYLINDERS; i++) { for (i = 0; i < MAX_CYLINDERS; i++) {
pressure_t start, end; pressure_t start, end;
cylinder_t *cyl = dive->cylinder + i; const cylinder_t *cyl = dive->cylinder + i;
start = cyl->start.mbar ? cyl->start : cyl->sample_start; start = cyl->start.mbar ? cyl->start : cyl->sample_start;
end = cyl->end.mbar ? cyl->end : cyl->sample_end; end = cyl->end.mbar ? cyl->end : cyl->sample_end;
@ -373,9 +375,9 @@ static double calculate_airuse(struct dive *dive)
} }
/* this only uses the first divecomputer to calculate the SAC rate */ /* this only uses the first divecomputer to calculate the SAC rate */
static int calculate_sac(struct dive *dive) static int calculate_sac(const struct dive *dive)
{ {
struct divecomputer *dc = &dive->dc; const struct divecomputer *dc = &dive->dc;
double airuse, pressure, sac; double airuse, pressure, sac;
int duration, meandepth; int duration, meandepth;
@ -427,10 +429,10 @@ static void add_dive_to_deco(struct deco_state *ds, struct dive *dive)
} }
} }
int get_divenr(struct dive *dive) int get_divenr(const struct dive *dive)
{ {
int i; int i;
struct dive *d; const struct dive *d;
// tempting as it may be, don't die when called with dive=NULL // tempting as it may be, don't die when called with dive=NULL
if (dive) if (dive)
for_each_dive(i, d) { for_each_dive(i, d) {
@ -440,10 +442,10 @@ int get_divenr(struct dive *dive)
return -1; return -1;
} }
int get_divesite_idx(struct dive_site *ds) int get_divesite_idx(const struct dive_site *ds)
{ {
int i; int i;
struct dive_site *d; const struct dive_site *d;
// tempting as it may be, don't die when called with dive=NULL // tempting as it may be, don't die when called with dive=NULL
if (ds) if (ds)
for_each_dive_site(i, d) { for_each_dive_site(i, d) {
@ -775,7 +777,7 @@ void find_new_trip_start_time(dive_trip_t *trip)
} }
/* check if we have a trip right before / after this dive */ /* check if we have a trip right before / after this dive */
bool is_trip_before_after(struct dive *dive, bool before) bool is_trip_before_after(const struct dive *dive, bool before)
{ {
int idx = get_idx_by_uniq_id(dive->id); int idx = get_idx_by_uniq_id(dive->id);
if (before) { if (before) {

View file

@ -23,8 +23,8 @@ extern char *get_dive_gas_string(struct dive *dive);
struct dive **grow_dive_table(struct dive_table *table); struct dive **grow_dive_table(struct dive_table *table);
extern void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2low_p); extern void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2low_p);
extern int get_divenr(struct dive *dive); extern int get_divenr(const struct dive *dive);
extern int get_divesite_idx(struct dive_site *ds); extern int get_divesite_idx(const struct dive_site *ds);
extern void remove_dive_from_trip(struct dive *dive, short was_autogen); extern void remove_dive_from_trip(struct dive *dive, short was_autogen);
extern dive_trip_t *create_and_hookup_trip_from_dive(struct dive *dive); extern dive_trip_t *create_and_hookup_trip_from_dive(struct dive *dive);
extern void autogroup_dives(void); extern void autogroup_dives(void);
@ -39,7 +39,7 @@ extern void combine_trips(struct dive_trip *trip_a, struct dive_trip *trip_b);
extern void find_new_trip_start_time(dive_trip_t *trip); extern void find_new_trip_start_time(dive_trip_t *trip);
extern struct dive *first_selected_dive(); extern struct dive *first_selected_dive();
extern struct dive *last_selected_dive(); extern struct dive *last_selected_dive();
extern bool is_trip_before_after(struct dive *dive, bool before); extern bool is_trip_before_after(const struct dive *dive, bool before);
extern void set_dive_nr_for_current_dive(); extern void set_dive_nr_for_current_dive();
int get_min_datafile_version(); int get_min_datafile_version();

View file

@ -59,8 +59,6 @@ extern int diveid;
int trimspace(char *buffer); int trimspace(char *buffer);
void clear_table(struct dive_table *table); void clear_table(struct dive_table *table);
void record_dive_to_table(struct dive *dive, struct dive_table *table);
void record_dive(struct dive *dive);
void start_match(const char *type, const char *name, char *buffer); void start_match(const char *type, const char *name, char *buffer);
void nonmatch(const char *type, const char *name, char *buffer); void nonmatch(const char *type, const char *name, char *buffer);
typedef void (*matchfn_t)(char *buffer, void *); typedef void (*matchfn_t)(char *buffer, void *);

View file

@ -257,9 +257,9 @@ bool has_gaschange_event(const struct dive *dive, const struct divecomputer *dc,
return !first_gas_explicit && idx == 0; return !first_gas_explicit && idx == 0;
} }
bool is_cylinder_used(struct dive *dive, int idx) bool is_cylinder_used(const struct dive *dive, int idx)
{ {
struct divecomputer *dc; const struct divecomputer *dc;
if (cylinder_none(&dive->cylinder[idx])) if (cylinder_none(&dive->cylinder[idx]))
return false; return false;
@ -276,9 +276,9 @@ bool is_cylinder_used(struct dive *dive, int idx)
return false; return false;
} }
bool is_cylinder_prot(struct dive *dive, int idx) bool is_cylinder_prot(const struct dive *dive, int idx)
{ {
struct divecomputer *dc; const struct divecomputer *dc;
if (cylinder_none(&dive->cylinder[idx])) if (cylinder_none(&dive->cylinder[idx]))
return false; return false;