Cleanup: constify get_units()

get_units() returns a pointer to the units struct in the preferences.
Callers should not modify the preferences via this struct, therefore
make the return value point to const.

This is a small step in constifying the global preferences structure.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-09-02 21:21:29 +02:00 committed by Dirk Hohndel
parent 2635673c3a
commit 2bd0c2143e
5 changed files with 9 additions and 9 deletions

View file

@ -286,7 +286,7 @@ int get_pressure_units(int mb, const char **units)
{
int pressure;
const char *unit;
struct units *units_p = get_units();
const struct units *units_p = get_units();
switch (units_p->pressure) {
case PASCAL:
@ -312,7 +312,7 @@ double get_temp_units(unsigned int mk, const char **units)
{
double deg;
const char *unit;
struct units *units_p = get_units();
const struct units *units_p = get_units();
if (units_p->temperature == FAHRENHEIT) {
deg = mkelvin_to_F(mk);
@ -331,7 +331,7 @@ double get_volume_units(unsigned int ml, int *frac, const char **units)
int decimals;
double vol;
const char *unit;
struct units *units_p = get_units();
const struct units *units_p = get_units();
switch (units_p->volume) {
case LITER:
@ -377,7 +377,7 @@ double get_depth_units(int mm, int *frac, const char **units)
int decimals;
double d;
const char *unit;
struct units *units_p = get_units();
const struct units *units_p = get_units();
switch (units_p->length) {
case METERS:
@ -435,7 +435,7 @@ double get_weight_units(unsigned int grams, int *frac, const char **units)
int decimals;
double value;
const char *unit;
struct units *units_p = get_units();
const struct units *units_p = get_units();
if (units_p->weight == LBS) {
value = grams_to_lbs(grams);

View file

@ -423,7 +423,7 @@ extern struct dive_trip *clone_empty_trip(struct dive_trip *trip);
extern const struct units SI_units, IMPERIAL_units;
extern struct units xml_parsing_units;
extern struct units *get_units(void);
extern const struct units *get_units(void);
extern int run_survey, verbose, quit, force_root;
struct dive_table {

View file

@ -273,7 +273,7 @@ void put_HTML_depth(struct membuffer *b, struct dive *dive, const char *pre, con
{
const char *unit;
double value;
struct units *units_p = get_units();
const struct units *units_p = get_units();
if (!dive->maxdepth.mm) {
put_format(b, "%s--%s", pre, post);

View file

@ -106,7 +106,7 @@ struct preferences default_prefs = {
int run_survey;
struct units *get_units()
const struct units *get_units()
{
return &prefs.units;
}

View file

@ -232,7 +232,7 @@ void DiveLogExportDialog::export_TeX(const char *filename, const bool selected_o
FILE *f;
QDir texdir = QFileInfo(filename).dir();
struct dive *dive;
struct units *units = get_units();
const struct units *units = get_units();
const char *unit;
int i;
bool need_pagebreak = false;