cleanup: const-ify a few functions in planner.c

It make debugging much easier if the function signature tells you
that a parameter is not altered.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

2 files changed, 10 insertions, 10 deletions

diff --git a/core/profile.c b/core/profile.c
index 6723f3734..e83be3f83 100644
--- a/core/profile.c
+++ b/core/profile.c
@@ -67,7 +67,7 @@ static void dump_pi(struct plot_info *pi)
  * We also need to add 180 seconds at the end so the min/max
  * plots correctly
  */
-int get_maxtime(struct plot_info *pi)
+int get_maxtime(const struct plot_info *pi)
 {
 	int seconds = pi->maxtime;
 
@@ -99,7 +99,7 @@ int get_maxtime(struct plot_info *pi)
 /* get the maximum depth to which we want to plot
  * take into account the additional vertical space needed to plot
  * partial pressure graphs */
-int get_maxdepth(struct plot_info *pi)
+int get_maxdepth(const struct plot_info *pi)
 {
 	unsigned mm = pi->maxdepth;
 	int md;
@@ -1373,7 +1373,7 @@ void init_plot_info(struct plot_info *pi)
  * The old data will be freed. Before the first call, the plot
  * info must be initialized with init_plot_info().
  */
-void create_plot_info_new(struct dive *dive, struct divecomputer *dc, struct plot_info *pi, bool fast, struct deco_state *planner_ds)
+void create_plot_info_new(struct dive *dive, struct divecomputer *dc, struct plot_info *pi, bool fast, const struct deco_state *planner_ds)
 {
 	int o2, he, o2max;
 #ifndef SUBSURFACE_MOBILE
@@ -1431,14 +1431,14 @@ struct divecomputer *select_dc(struct dive *dive)
 	return get_dive_dc(dive, i);
 }
 
-static void plot_string(struct plot_info *pi, int idx, struct membuffer *b)
+static void plot_string(const struct plot_info *pi, int idx, struct membuffer *b)
 {
 	int pressurevalue, mod, ead, end, eadd;
 	const char *depth_unit, *pressure_unit, *temp_unit, *vertical_speed_unit;
 	double depthvalue, tempvalue, speedvalue, sacvalue;
 	int decimals, cyl;
 	const char *unit;
-	struct plot_data *entry = pi->entry + idx;
+	const struct plot_data *entry = pi->entry + idx;
 
 	depthvalue = get_depth_units(entry->depth, NULL, &depth_unit);
 	put_format_loc(b, translate("gettextFromC", "@: %d:%02d\nD: %.1f%s\n"), FRACTION(entry->sec, 60), depthvalue, depth_unit);
@@ -1586,7 +1586,7 @@ static void plot_string(struct plot_info *pi, int idx, struct membuffer *b)
 	strip_mb(b);
 }
 
-int get_plot_details_new(struct plot_info *pi, int time, struct membuffer *mb)
+int get_plot_details_new(const struct plot_info *pi, int time, struct membuffer *mb)
 {
 	int i;
 
diff --git a/core/profile.h b/core/profile.h
index c4f42fd24..d925ff941 100644
--- a/core/profile.h
+++ b/core/profile.h
@@ -88,9 +88,9 @@ struct ev_select {
 extern void compare_samples(struct plot_info *p1, int idx1, int idx2, char *buf, int bufsize, bool sum);
 extern struct plot_info *analyze_plot_info(struct plot_info *pi);
 extern void init_plot_info(struct plot_info *pi);
-extern void create_plot_info_new(struct dive *dive, struct divecomputer *dc, struct plot_info *pi, bool fast, struct deco_state *planner_ds);
+extern void create_plot_info_new(struct dive *dive, struct divecomputer *dc, struct plot_info *pi, bool fast, const struct deco_state *planner_ds);
 extern void calculate_deco_information(struct deco_state *ds, const struct deco_state *planner_de, const struct dive *dive, const struct divecomputer *dc, struct plot_info *pi, bool print_mode);
-extern int get_plot_details_new(struct plot_info *pi, int time, struct membuffer *);
+extern int get_plot_details_new(const struct plot_info *pi, int time, struct membuffer *);
 extern void free_plot_info_data(struct plot_info *pi);
 
 /*
@@ -101,12 +101,12 @@ extern void free_plot_info_data(struct plot_info *pi);
  * We also need to add 180 seconds at the end so the min/max
  * plots correctly
  */
-extern int get_maxtime(struct plot_info *pi);
+extern int get_maxtime(const struct plot_info *pi);
 
 /* get the maximum depth to which we want to plot
  * take into account the additional verical space needed to plot
  * partial pressure graphs */
-extern int get_maxdepth(struct plot_info *pi);
+extern int get_maxdepth(const struct plot_info *pi);
 
 static inline int get_plot_pressure_data(const struct plot_info *pi, int idx, enum plot_pressure sensor, int cylinder)
 {