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-rw-r--r--subsurface-core/dive.h913
1 files changed, 0 insertions, 913 deletions
diff --git a/subsurface-core/dive.h b/subsurface-core/dive.h
deleted file mode 100644
index ae24b7409..000000000
--- a/subsurface-core/dive.h
+++ /dev/null
@@ -1,913 +0,0 @@
-#ifndef DIVE_H
-#define DIVE_H
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <time.h>
-#include <math.h>
-#include <zip.h>
-#include <sqlite3.h>
-#include <string.h>
-#include "divesite.h"
-
-/* Windows has no MIN/MAX macros - so let's just roll our own */
-#define MIN(x, y) ({ \
- __typeof__(x) _min1 = (x); \
- __typeof__(y) _min2 = (y); \
- (void) (&_min1 == &_min2); \
- _min1 < _min2 ? _min1 : _min2; })
-
-#define MAX(x, y) ({ \
- __typeof__(x) _max1 = (x); \
- __typeof__(y) _max2 = (y); \
- (void) (&_max1 == &_max2); \
- _max1 > _max2 ? _max1 : _max2; })
-
-#define IS_FP_SAME(_a, _b) (fabs((_a) - (_b)) <= 0.000001 * MAX(fabs(_a), fabs(_b)))
-
-static inline int same_string(const char *a, const char *b)
-{
- return !strcmp(a ?: "", b ?: "");
-}
-
-static inline char *copy_string(const char *s)
-{
- return (s && *s) ? strdup(s) : NULL;
-}
-
-#include <libxml/tree.h>
-#include <libxslt/transform.h>
-#include <libxslt/xsltutils.h>
-
-#include "sha1.h"
-#include "units.h"
-
-#ifdef __cplusplus
-extern "C" {
-#else
-#include <stdbool.h>
-#endif
-
-extern int last_xml_version;
-
-enum dive_comp_type {OC, CCR, PSCR, FREEDIVE, NUM_DC_TYPE}; // Flags (Open-circuit and Closed-circuit-rebreather) for setting dive computer type
-enum cylinderuse {OC_GAS, DILUENT, OXYGEN, NUM_GAS_USE}; // The different uses for cylinders
-
-extern const char *cylinderuse_text[];
-extern const char *divemode_text[];
-
-struct gasmix {
- fraction_t o2;
- fraction_t he;
-};
-
-typedef struct
-{
- volume_t size;
- pressure_t workingpressure;
- const char *description; /* "LP85", "AL72", "AL80", "HP100+" or whatever */
-} cylinder_type_t;
-
-typedef struct
-{
- cylinder_type_t type;
- struct gasmix gasmix;
- pressure_t start, end, sample_start, sample_end;
- depth_t depth;
- bool manually_added;
- volume_t gas_used;
- volume_t deco_gas_used;
- enum cylinderuse cylinder_use;
-} cylinder_t;
-
-typedef struct
-{
- weight_t weight;
- const char *description; /* "integrated", "belt", "ankle" */
-} weightsystem_t;
-
-/*
- * Events are currently based straight on what libdivecomputer gives us.
- * We need to wrap these into our own events at some point to remove some of the limitations.
- */
-struct event {
- struct event *next;
- duration_t time;
- int type;
- /* This is the annoying libdivecomputer format. */
- int flags, value;
- /* .. and this is our "extended" data for some event types */
- union {
- /*
- * Currently only for gas switch events.
- *
- * NOTE! The index may be -1, which means "unknown". In that
- * case, the get_cylinder_index() function will give the best
- * match with the cylinders in the dive based on gasmix.
- */
- struct {
- int index;
- struct gasmix mix;
- } gas;
- };
- bool deleted;
- char name[];
-};
-
-extern int event_is_gaschange(struct event *ev);
-extern int event_gasmix_redundant(struct event *ev);
-
-extern int get_pressure_units(int mb, const char **units);
-extern double get_depth_units(int mm, int *frac, const char **units);
-extern double get_volume_units(unsigned int ml, int *frac, const char **units);
-extern double get_temp_units(unsigned int mk, const char **units);
-extern double get_weight_units(unsigned int grams, int *frac, const char **units);
-extern double get_vertical_speed_units(unsigned int mms, int *frac, const char **units);
-
-extern unsigned int units_to_depth(double depth);
-extern int units_to_sac(double volume);
-
-/* Volume in mliter of a cylinder at pressure 'p' */
-extern int gas_volume(cylinder_t *cyl, pressure_t p);
-extern double gas_compressibility_factor(struct gasmix *gas, double bar);
-
-
-static inline int get_o2(const struct gasmix *mix)
-{
- return mix->o2.permille ?: O2_IN_AIR;
-}
-
-static inline int get_he(const struct gasmix *mix)
-{
- return mix->he.permille;
-}
-
-struct gas_pressures {
- double o2, n2, he;
-};
-
-extern void fill_pressures(struct gas_pressures *pressures, const double amb_pressure, const struct gasmix *mix, double po2, enum dive_comp_type dctype);
-
-extern void sanitize_gasmix(struct gasmix *mix);
-extern int gasmix_distance(const struct gasmix *a, const struct gasmix *b);
-extern struct gasmix *get_gasmix_from_event(struct event *ev);
-
-static inline bool gasmix_is_air(const struct gasmix *gasmix)
-{
- int o2 = gasmix->o2.permille;
- int he = gasmix->he.permille;
- return (he == 0) && (o2 == 0 || ((o2 >= O2_IN_AIR - 1) && (o2 <= O2_IN_AIR + 1)));
-}
-
-/* Linear interpolation between 'a' and 'b', when we are 'part'way into the 'whole' distance from a to b */
-static inline int interpolate(int a, int b, int part, int whole)
-{
- /* It is doubtful that we actually need floating point for this, but whatever */
- double x = (double)a * (whole - part) + (double)b * part;
- return rint(x / whole);
-}
-
-void get_gas_string(const struct gasmix *gasmix, char *text, int len);
-const char *gasname(const struct gasmix *gasmix);
-
-struct sample // BASE TYPE BYTES UNITS RANGE DESCRIPTION
-{ // --------- ----- ----- ----- -----------
- duration_t time; // uint32_t 4 seconds (0-68 yrs) elapsed dive time up to this sample
- duration_t stoptime; // uint32_t 4 seconds (0-18 h) time duration of next deco stop
- duration_t ndl; // uint32_t 4 seconds (0-18 h) time duration before no-deco limit
- duration_t tts; // uint32_t 4 seconds (0-18 h) time duration to reach the surface
- duration_t rbt; // uint32_t 4 seconds (0-18 h) remaining bottom time
- depth_t depth; // int32_t 4 mm (0-2000 km) dive depth of this sample
- depth_t stopdepth; // int32_t 4 mm (0-2000 km) depth of next deco stop
- temperature_t temperature; // int32_t 4 mdegrK (0-2 MdegK) ambient temperature
- pressure_t cylinderpressure; // int32_t 4 mbar (0-2 Mbar) main cylinder pressure
- pressure_t o2cylinderpressure; // int32_t 4 mbar (0-2 Mbar) CCR o2 cylinder pressure (rebreather)
- o2pressure_t setpoint; // uint16_t 2 mbar (0-65 bar) O2 partial pressure (will be setpoint)
- o2pressure_t o2sensor[3]; // uint16_t 6 mbar (0-65 bar) Up to 3 PO2 sensor values (rebreather)
- bearing_t bearing; // int16_t 2 degrees (-32k to 32k deg) compass bearing
- uint8_t sensor; // uint8_t 1 sensorID (0-255) ID of cylinder pressure sensor
- uint8_t cns; // uint8_t 1 % (0-255 %) cns% accumulated
- uint8_t heartbeat; // uint8_t 1 beats/m (0-255) heart rate measurement
- volume_t sac; // 4 ml/min predefined SAC
- bool in_deco; // bool 1 y/n y/n this sample is part of deco
- bool manually_entered; // bool 1 y/n y/n this sample was entered by the user,
- // not calculated when planning a dive
-}; // Total size of structure: 57 bytes, excluding padding at end
-
-struct divetag {
- /*
- * The name of the divetag. If a translation is available, name contains
- * the translated tag
- */
- char *name;
- /*
- * If a translation is available, we write the original tag to source.
- * This enables us to write a non-localized tag to the xml file.
- */
- char *source;
-};
-
-struct tag_entry {
- struct divetag *tag;
- struct tag_entry *next;
-};
-
-/*
- * divetags are only stored once, each dive only contains
- * a list of tag_entries which then point to the divetags
- * in the global g_tag_list
- */
-
-extern struct tag_entry *g_tag_list;
-
-struct divetag *taglist_add_tag(struct tag_entry **tag_list, const char *tag);
-struct tag_entry *taglist_added(struct tag_entry *original_list, struct tag_entry *new_list);
-void dump_taglist(const char *intro, struct tag_entry *tl);
-
-/*
- * Writes all divetags in tag_list to buffer, limited by the buffer's (len)gth.
- * Returns the characters written
- */
-int taglist_get_tagstring(struct tag_entry *tag_list, char *buffer, int len);
-
-/* cleans up a list: removes empty tags and duplicates */
-void taglist_cleanup(struct tag_entry **tag_list);
-
-void taglist_init_global();
-void taglist_free(struct tag_entry *tag_list);
-
-bool taglist_contains(struct tag_entry *tag_list, const char *tag);
-bool taglist_equal(struct tag_entry *tl1, struct tag_entry *tl2);
-int count_dives_with_tag(const char *tag);
-int count_dives_with_person(const char *person);
-int count_dives_with_location(const char *location);
-int count_dives_with_suit(const char *suit);
-
-struct extra_data {
- const char *key;
- const char *value;
- struct extra_data *next;
-};
-
-/*
- * NOTE! The deviceid and diveid are model-specific *hashes* of
- * whatever device identification that model may have. Different
- * dive computers will have different identifying data, it could
- * be a firmware number or a serial ID (in either string or in
- * numeric format), and we do not care.
- *
- * The only thing we care about is that subsurface will hash
- * that information the same way. So then you can check the ID
- * of a dive computer by comparing the hashes for equality.
- *
- * A deviceid or diveid of zero is assumed to be "no ID".
- */
-struct divecomputer {
- timestamp_t when;
- duration_t duration, surfacetime;
- depth_t maxdepth, meandepth;
- temperature_t airtemp, watertemp;
- pressure_t surface_pressure;
- enum dive_comp_type divemode; // dive computer type: OC(default) or CCR
- uint8_t no_o2sensors; // rebreathers: number of O2 sensors used
- int salinity; // kg per 10000 l
- const char *model, *serial, *fw_version;
- uint32_t deviceid, diveid;
- int samples, alloc_samples;
- struct sample *sample;
- struct event *events;
- struct extra_data *extra_data;
- struct divecomputer *next;
-};
-
-#define MAX_CYLINDERS (8)
-#define MAX_WEIGHTSYSTEMS (6)
-#define W_IDX_PRIMARY 0
-#define W_IDX_SECONDARY 1
-
-typedef enum {
- TF_NONE,
- NO_TRIP,
- IN_TRIP,
- ASSIGNED_TRIP,
- NUM_TRIPFLAGS
-} tripflag_t;
-
-typedef struct dive_trip
-{
- timestamp_t when;
- char *location;
- char *notes;
- struct dive *dives;
- int nrdives;
- int index;
- unsigned expanded : 1, selected : 1, autogen : 1, fixup : 1;
- struct dive_trip *next;
-} dive_trip_t;
-
-/* List of dive trips (sorted by date) */
-extern dive_trip_t *dive_trip_list;
-struct picture;
-struct dive {
- int number;
- tripflag_t tripflag;
- dive_trip_t *divetrip;
- struct dive *next, **pprev;
- bool selected;
- bool hidden_by_filter;
- bool downloaded;
- timestamp_t when;
- uint32_t dive_site_uuid;
- char *notes;
- char *divemaster, *buddy;
- int rating;
- int visibility; /* 0 - 5 star rating */
- cylinder_t cylinder[MAX_CYLINDERS];
- weightsystem_t weightsystem[MAX_WEIGHTSYSTEMS];
- char *suit;
- int sac, otu, cns, maxcns;
-
- /* Calculated based on dive computer data */
- temperature_t mintemp, maxtemp, watertemp, airtemp;
- depth_t maxdepth, meandepth;
- pressure_t surface_pressure;
- duration_t duration;
- int salinity; // kg per 10000 l
-
- struct tag_entry *tag_list;
- struct divecomputer dc;
- int id; // unique ID for this dive
- struct picture *picture_list;
- int oxygen_cylinder_index, diluent_cylinder_index; // CCR dive cylinder indices
- unsigned char git_id[20];
-};
-
-static inline void invalidate_dive_cache(struct dive *dive)
-{
- memset(dive->git_id, 0, 20);
-}
-
-static inline bool dive_cache_is_valid(const struct dive *dive)
-{
- static const unsigned char null_id[20] = { 0, };
- return !!memcmp(dive->git_id, null_id, 20);
-}
-
-extern int get_cylinder_idx_by_use(struct dive *dive, enum cylinderuse cylinder_use_type);
-extern void dc_cylinder_renumber(struct dive *dive, struct divecomputer *dc, int mapping[]);
-
-/* when selectively copying dive information, which parts should be copied? */
-struct dive_components {
- unsigned int divesite : 1;
- unsigned int notes : 1;
- unsigned int divemaster : 1;
- unsigned int buddy : 1;
- unsigned int suit : 1;
- unsigned int rating : 1;
- unsigned int visibility : 1;
- unsigned int tags : 1;
- unsigned int cylinders : 1;
- unsigned int weights : 1;
-};
-
-/* picture list and methods related to dive picture handling */
-struct picture {
- char *filename;
- char *hash;
- offset_t offset;
- degrees_t latitude;
- degrees_t longitude;
- struct picture *next;
-};
-
-#define FOR_EACH_PICTURE(_dive) \
- if (_dive) \
- for (struct picture *picture = (_dive)->picture_list; picture; picture = picture->next)
-
-#define FOR_EACH_PICTURE_NON_PTR(_divestruct) \
- for (struct picture *picture = (_divestruct).picture_list; picture; picture = picture->next)
-
-extern struct picture *alloc_picture();
-extern struct picture *clone_picture(struct picture *src);
-extern bool dive_check_picture_time(struct dive *d, int shift_time, timestamp_t timestamp);
-extern void dive_create_picture(struct dive *d, char *filename, int shift_time, bool match_all);
-extern void dive_add_picture(struct dive *d, struct picture *newpic);
-extern void dive_remove_picture(char *filename);
-extern unsigned int dive_get_picture_count(struct dive *d);
-extern bool picture_check_valid(char *filename, int shift_time);
-extern void picture_load_exif_data(struct picture *p);
-extern timestamp_t picture_get_timestamp(char *filename);
-extern void dive_set_geodata_from_picture(struct dive *d, struct picture *pic);
-extern void picture_free(struct picture *picture);
-
-extern int explicit_first_cylinder(struct dive *dive, struct divecomputer *dc);
-extern int get_depth_at_time(struct divecomputer *dc, unsigned int time);
-
-static inline int get_surface_pressure_in_mbar(const struct dive *dive, bool non_null)
-{
- int mbar = dive->surface_pressure.mbar;
- if (!mbar && non_null)
- mbar = SURFACE_PRESSURE;
- return mbar;
-}
-
-/* Pa = N/m^2 - so we determine the weight (in N) of the mass of 10m
- * of water (and use standard salt water at 1.03kg per liter if we don't know salinity)
- * and add that to the surface pressure (or to 1013 if that's unknown) */
-static inline int calculate_depth_to_mbar(int depth, pressure_t surface_pressure, int salinity)
-{
- double specific_weight;
- int mbar = surface_pressure.mbar;
-
- if (!mbar)
- mbar = SURFACE_PRESSURE;
- if (!salinity)
- salinity = SEAWATER_SALINITY;
- if (salinity < 500)
- salinity += FRESHWATER_SALINITY;
- specific_weight = salinity / 10000.0 * 0.981;
- mbar += rint(depth / 10.0 * specific_weight);
- return mbar;
-}
-
-static inline int depth_to_mbar(int depth, struct dive *dive)
-{
- return calculate_depth_to_mbar(depth, dive->surface_pressure, dive->salinity);
-}
-
-static inline double depth_to_bar(int depth, struct dive *dive)
-{
- return depth_to_mbar(depth, dive) / 1000.0;
-}
-
-static inline double depth_to_atm(int depth, struct dive *dive)
-{
- return mbar_to_atm(depth_to_mbar(depth, dive));
-}
-
-/* for the inverse calculation we use just the relative pressure
- * (that's the one that some dive computers like the Uemis Zurich
- * provide - for the other models that do this libdivecomputer has to
- * take care of this, but the Uemis we support natively */
-static inline int rel_mbar_to_depth(int mbar, struct dive *dive)
-{
- int cm;
- double specific_weight = 1.03 * 0.981;
- if (dive->dc.salinity)
- specific_weight = dive->dc.salinity / 10000.0 * 0.981;
- /* whole mbar gives us cm precision */
- cm = rint(mbar / specific_weight);
- return cm * 10;
-}
-
-static inline int mbar_to_depth(int mbar, struct dive *dive)
-{
- pressure_t surface_pressure;
- if (dive->surface_pressure.mbar)
- surface_pressure = dive->surface_pressure;
- else
- surface_pressure.mbar = SURFACE_PRESSURE;
- return rel_mbar_to_depth(mbar - surface_pressure.mbar, dive);
-}
-
-/* MOD rounded to multiples of roundto mm */
-static inline depth_t gas_mod(struct gasmix *mix, pressure_t po2_limit, struct dive *dive, int roundto) {
- depth_t rounded_depth;
-
- double depth = (double) mbar_to_depth(po2_limit.mbar * 1000 / get_o2(mix), dive);
- rounded_depth.mm = rint(depth / roundto) * roundto;
- return rounded_depth;
-}
-
-#define SURFACE_THRESHOLD 750 /* somewhat arbitrary: only below 75cm is it really diving */
-
-/* this is a global spot for a temporary dive structure that we use to
- * be able to edit a dive without unintended side effects */
-extern struct dive edit_dive;
-
-extern short autogroup;
-/* random threashold: three days without diving -> new trip
- * this works very well for people who usually dive as part of a trip and don't
- * regularly dive at a local facility; this is why trips are an optional feature */
-#define TRIP_THRESHOLD 3600 * 24 * 3
-
-#define UNGROUPED_DIVE(_dive) ((_dive)->tripflag == NO_TRIP)
-#define DIVE_IN_TRIP(_dive) ((_dive)->tripflag == IN_TRIP || (_dive)->tripflag == ASSIGNED_TRIP)
-#define DIVE_NEEDS_TRIP(_dive) ((_dive)->tripflag == TF_NONE)
-
-extern void add_dive_to_trip(struct dive *, dive_trip_t *);
-
-extern void delete_single_dive(int idx);
-extern void add_single_dive(int idx, struct dive *dive);
-
-extern void insert_trip(dive_trip_t **trip);
-
-
-extern const struct units SI_units, IMPERIAL_units;
-extern struct units xml_parsing_units;
-
-extern struct units *get_units(void);
-extern int run_survey, verbose, quit, force_root;
-
-struct dive_table {
- int nr, allocated, preexisting;
- struct dive **dives;
-};
-
-extern struct dive_table dive_table, downloadTable;
-extern struct dive displayed_dive;
-extern struct dive_site displayed_dive_site;
-extern int selected_dive;
-extern unsigned int dc_number;
-#define current_dive (get_dive(selected_dive))
-#define current_dc (get_dive_dc(current_dive, dc_number))
-
-static inline struct dive *get_dive(int nr)
-{
- if (nr >= dive_table.nr || nr < 0)
- return NULL;
- return dive_table.dives[nr];
-}
-
-static inline struct dive *get_dive_from_table(int nr, struct dive_table *dt)
-{
- if (nr >= dt->nr || nr < 0)
- return NULL;
- return dt->dives[nr];
-}
-
-static inline struct dive_site *get_dive_site_for_dive(struct dive *dive)
-{
- if (dive)
- return get_dive_site_by_uuid(dive->dive_site_uuid);
- return NULL;
-}
-
-static inline char *get_dive_location(struct dive *dive)
-{
- struct dive_site *ds = get_dive_site_by_uuid(dive->dive_site_uuid);
- if (ds && ds->name)
- return ds->name;
- return NULL;
-}
-
-static inline unsigned int number_of_computers(struct dive *dive)
-{
- unsigned int total_number = 0;
- struct divecomputer *dc = &dive->dc;
-
- if (!dive)
- return 1;
-
- do {
- total_number++;
- dc = dc->next;
- } while (dc);
- return total_number;
-}
-
-static inline struct divecomputer *get_dive_dc(struct dive *dive, int nr)
-{
- struct divecomputer *dc = &dive->dc;
-
- while (nr-- > 0) {
- dc = dc->next;
- if (!dc)
- return &dive->dc;
- }
- return dc;
-}
-
-extern timestamp_t dive_endtime(const struct dive *dive);
-
-extern void make_first_dc(void);
-extern unsigned int count_divecomputers(void);
-extern void delete_current_divecomputer(void);
-
-/*
- * Iterate over each dive, with the first parameter being the index
- * iterator variable, and the second one being the dive one.
- *
- * I don't think anybody really wants the index, and we could make
- * it local to the for-loop, but that would make us requires C99.
- */
-#define for_each_dive(_i, _x) \
- for ((_i) = 0; ((_x) = get_dive(_i)) != NULL; (_i)++)
-
-#define for_each_dc(_dive, _dc) \
- for (_dc = &_dive->dc; _dc; _dc = _dc->next)
-
-#define for_each_gps_location(_i, _x) \
- for ((_i) = 0; ((_x) = get_gps_location(_i, &gps_location_table)) != NULL; (_i)++)
-
-static inline struct dive *get_dive_by_uniq_id(int id)
-{
- int i;
- struct dive *dive = NULL;
-
- for_each_dive (i, dive) {
- if (dive->id == id)
- break;
- }
-#ifdef DEBUG
- if (dive == NULL) {
- fprintf(stderr, "Invalid id %x passed to get_dive_by_diveid, try to fix the code\n", id);
- exit(1);
- }
-#endif
- return dive;
-}
-
-static inline int get_idx_by_uniq_id(int id)
-{
- int i;
- struct dive *dive = NULL;
-
- for_each_dive (i, dive) {
- if (dive->id == id)
- break;
- }
-#ifdef DEBUG
- if (dive == NULL) {
- fprintf(stderr, "Invalid id %x passed to get_dive_by_diveid, try to fix the code\n", id);
- exit(1);
- }
-#endif
- return i;
-}
-
-static inline bool dive_site_has_gps_location(struct dive_site *ds)
-{
- return ds && (ds->latitude.udeg || ds->longitude.udeg);
-}
-
-static inline int dive_has_gps_location(struct dive *dive)
-{
- if (!dive)
- return false;
- return dive_site_has_gps_location(get_dive_site_by_uuid(dive->dive_site_uuid));
-}
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-extern int report_error(const char *fmt, ...);
-extern void report_message(const char *msg);
-extern const char *get_error_string(void);
-
-extern struct dive *find_dive_including(timestamp_t when);
-extern bool dive_within_time_range(struct dive *dive, timestamp_t when, timestamp_t offset);
-extern bool time_during_dive_with_offset(struct dive *dive, timestamp_t when, 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) */
-extern int match_one_dc(struct divecomputer *a, struct divecomputer *b);
-
-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 void parse_xml_exit(void);
-extern void set_filename(const char *filename, bool force);
-
-extern int parse_dm4_buffer(sqlite3 *handle, const char *url, const char *buf, int size, struct dive_table *table);
-extern int parse_dm5_buffer(sqlite3 *handle, const char *url, const char *buf, int size, struct dive_table *table);
-extern int parse_shearwater_buffer(sqlite3 *handle, const char *url, const char *buf, int size, struct dive_table *table);
-extern int parse_cobalt_buffer(sqlite3 *handle, const char *url, const char *buf, int size, struct dive_table *table);
-extern int parse_divinglog_buffer(sqlite3 *handle, const char *url, const char *buf, int size, struct dive_table *table);
-extern int parse_dlf_buffer(unsigned char *buffer, size_t size);
-
-extern int check_git_sha(const char *filename);
-extern int parse_file(const char *filename);
-extern int parse_csv_file(const char *filename, char **params, int pnr, const char *csvtemplate);
-extern int parse_seabear_csv_file(const char *filename, char **params, int pnr, const char *csvtemplate);
-extern int parse_txt_file(const char *filename, const char *csv);
-extern int parse_manual_file(const char *filename, char **params, int pnr);
-extern int save_dives(const char *filename);
-extern int save_dives_logic(const char *filename, bool select_only);
-extern int save_dive(FILE *f, struct dive *dive);
-extern int export_dives_xslt(const char *filename, const bool selected, const int units, const char *export_xslt);
-
-struct membuffer;
-extern void save_one_dive_to_mb(struct membuffer *b, struct dive *dive);
-
-int cylinderuse_from_text(const char *text);
-
-
-struct user_info {
- const char *name;
- const char *email;
-};
-
-extern void subsurface_user_info(struct user_info *);
-extern int subsurface_rename(const char *path, const char *newpath);
-extern int subsurface_dir_rename(const char *path, const char *newpath);
-extern int subsurface_open(const char *path, int oflags, mode_t mode);
-extern FILE *subsurface_fopen(const char *path, const char *mode);
-extern void *subsurface_opendir(const char *path);
-extern int subsurface_access(const char *path, int mode);
-extern struct zip *subsurface_zip_open_readonly(const char *path, int flags, int *errorp);
-extern int subsurface_zip_close(struct zip *zip);
-extern void subsurface_console_init(bool dedicated);
-extern void subsurface_console_exit(void);
-extern bool subsurface_user_is_root(void);
-
-extern void shift_times(const timestamp_t amount);
-extern timestamp_t get_times();
-
-extern xsltStylesheetPtr get_stylesheet(const char *name);
-
-extern timestamp_t utc_mktime(struct tm *tm);
-extern void utc_mkdate(timestamp_t, struct tm *tm);
-
-extern struct dive *alloc_dive(void);
-extern void record_dive_to_table(struct dive *dive, struct dive_table *table);
-extern void record_dive(struct dive *dive);
-extern void clear_dive(struct dive *dive);
-extern void copy_dive(struct dive *s, struct dive *d);
-extern void selective_copy_dive(struct dive *s, struct dive *d, struct dive_components what, bool clear);
-extern struct dive *clone_dive(struct dive *s);
-
-extern void clear_table(struct dive_table *table);
-
-extern struct sample *prepare_sample(struct divecomputer *dc);
-extern void finish_sample(struct divecomputer *dc);
-
-extern bool has_hr_data(struct divecomputer *dc);
-
-extern void sort_table(struct dive_table *table);
-extern struct dive *fixup_dive(struct dive *dive);
-extern void fixup_dc_duration(struct divecomputer *dc);
-extern int dive_getUniqID(struct dive *d);
-extern unsigned int dc_airtemp(struct divecomputer *dc);
-extern unsigned int dc_watertemp(struct divecomputer *dc);
-extern int split_dive(struct dive *);
-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 event *clone_event(const struct event *src_ev);
-extern void copy_events(struct divecomputer *s, struct divecomputer *d);
-extern void free_events(struct event *ev);
-extern void copy_cylinders(struct dive *s, struct dive *d, bool used_only);
-extern void copy_samples(struct divecomputer *s, struct divecomputer *d);
-extern bool is_cylinder_used(struct dive *dive, int idx);
-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 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 update_event_name(struct dive *d, struct event* event, char *name);
-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 int get_cylinder_index(struct dive *dive, struct event *ev);
-extern int nr_cylinders(struct dive *dive);
-extern int nr_weightsystems(struct dive *dive);
-
-/* UI related protopypes */
-
-// extern void report_error(GError* error);
-
-extern void add_cylinder_description(cylinder_type_t *);
-extern void add_weightsystem_description(weightsystem_t *);
-extern void remember_event(const char *eventname);
-extern void invalidate_dive_cache(struct dive *dc);
-
-#if WE_DONT_USE_THIS /* this is a missing feature in Qt - selecting which events to display */
-extern int evn_foreach(void (*callback)(const char *, bool *, void *), void *data);
-#endif /* WE_DONT_USE_THIS */
-
-extern void clear_events(void);
-
-extern void set_dc_nickname(struct dive *dive);
-extern void set_autogroup(bool value);
-extern int total_weight(struct dive *);
-
-#ifdef __cplusplus
-}
-#endif
-
-#define DIVE_ERROR_PARSE 1
-#define DIVE_ERROR_PLAN 2
-
-const char *weekday(int wday);
-const char *monthname(int mon);
-
-#define UTF8_DEGREE "\xc2\xb0"
-#define UTF8_DELTA "\xce\x94"
-#define UTF8_UPWARDS_ARROW "\xE2\x86\x91"
-#define UTF8_DOWNWARDS_ARROW "\xE2\x86\x93"
-#define UTF8_AVERAGE "\xc3\xb8"
-#define UTF8_SUBSCRIPT_2 "\xe2\x82\x82"
-#define UTF8_WHITESTAR "\xe2\x98\x86"
-#define UTF8_BLACKSTAR "\xe2\x98\x85"
-
-extern const char *existing_filename;
-extern void subsurface_command_line_init(int *, char ***);
-extern void subsurface_command_line_exit(int *, char ***);
-
-#define FRACTION(n, x) ((unsigned)(n) / (x)), ((unsigned)(n) % (x))
-
-extern void add_segment(double pressure, const struct gasmix *gasmix, int period_in_seconds, int setpoint, const struct dive *dive, int sac);
-extern void clear_deco(double surface_pressure);
-extern void dump_tissues(void);
-extern void set_gf(short gflow, short gfhigh, bool gf_low_at_maxdepth);
-extern void cache_deco_state(char **datap);
-extern void restore_deco_state(char *data);
-extern void nuclear_regeneration(double time);
-extern void vpmb_start_gradient();
-extern void vpmb_next_gradient(double deco_time, double surface_pressure);
-extern double tissue_tolerance_calc(const struct dive *dive, double pressure);
-
-/* this should be converted to use our types */
-struct divedatapoint {
- int time;
- int depth;
- struct gasmix gasmix;
- int setpoint;
- bool entered;
- struct divedatapoint *next;
-};
-
-struct diveplan {
- timestamp_t when;
- int surface_pressure; /* mbar */
- int bottomsac; /* ml/min */
- int decosac; /* ml/min */
- int salinity;
- short gflow;
- short gfhigh;
- struct divedatapoint *dp;
-};
-
-struct divedatapoint *plan_add_segment(struct diveplan *diveplan, int duration, int depth, struct gasmix gasmix, int po2, bool entered);
-struct divedatapoint *create_dp(int time_incr, int depth, struct gasmix gasmix, int po2);
-#if DEBUG_PLAN
-void dump_plan(struct diveplan *diveplan);
-#endif
-bool plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool show_disclaimer);
-void calc_crushing_pressure(double pressure);
-void vpmb_start_gradient();
-
-void delete_single_dive(int idx);
-
-struct event *get_next_event(struct event *event, const char *name);
-
-
-/* these structs holds the information that
- * describes the cylinders / weight systems.
- * they are global variables initialized in equipment.c
- * used to fill the combobox in the add/edit cylinder
- * dialog
- */
-
-struct tank_info_t {
- const char *name;
- int cuft, ml, psi, bar;
-};
-extern struct tank_info_t tank_info[100];
-
-struct ws_info_t {
- const char *name;
- int grams;
-};
-extern struct ws_info_t ws_info[100];
-
-extern bool cylinder_nodata(cylinder_t *cyl);
-extern bool cylinder_none(void *_data);
-extern bool weightsystem_none(void *_data);
-extern bool no_weightsystems(weightsystem_t *ws);
-extern bool weightsystems_equal(weightsystem_t *ws1, weightsystem_t *ws2);
-extern void remove_cylinder(struct dive *dive, int idx);
-extern void remove_weightsystem(struct dive *dive, int idx);
-extern void reset_cylinders(struct dive *dive, bool track_gas);
-
-/*
- * String handling.
- */
-#define STRTOD_NO_SIGN 0x01
-#define STRTOD_NO_DOT 0x02
-#define STRTOD_NO_COMMA 0x04
-#define STRTOD_NO_EXPONENT 0x08
-extern double strtod_flags(const char *str, const char **ptr, unsigned int flags);
-
-#define STRTOD_ASCII (STRTOD_NO_COMMA)
-
-#define ascii_strtod(str, ptr) strtod_flags(str, ptr, STRTOD_ASCII)
-
-extern void set_save_userid_local(short value);
-extern void set_userid(char *user_id);
-extern void set_informational_units(char *units);
-
-extern const char *get_dive_date_c_string(timestamp_t when);
-extern void update_setpoint_events(struct divecomputer *dc);
-#ifdef __cplusplus
-}
-#endif
-
-extern weight_t string_to_weight(const char *str);
-extern depth_t string_to_depth(const char *str);
-extern pressure_t string_to_pressure(const char *str);
-extern volume_t string_to_volume(const char *str, pressure_t workp);
-extern fraction_t string_to_fraction(const char *str);
-extern void average_max_depth(struct diveplan *dive, int *avg_depth, int *max_depth);
-
-#include "pref.h"
-
-#endif // DIVE_H