cleanup: remove system includes from dive.c

Let the various source files include the system headers they need
themselves.

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

9 files changed, 20 insertions, 13 deletions

diff --git a/core/dive.h b/core/dive.h
index 6e49c2893..0b0597477 100644
--- a/core/dive.h
+++ b/core/dive.h
@@ -4,19 +4,13 @@
 
 // dive and dive computer related structures and helpers
 
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdbool.h>
-#include <time.h>
-#include <math.h>
-#include <string.h>
-#include <stdio.h>
-
 #include "divemode.h"
 #include "divecomputer.h"
 #include "equipment.h"
 #include "picture.h"
 
+#include <stdio.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/core/gaspressures.c b/core/gaspressures.c
index 2fa85368c..a9ba6afd6 100644
--- a/core/gaspressures.c
+++ b/core/gaspressures.c
@@ -26,6 +26,8 @@
 #include "gaspressures.h"
 #include "pref.h"
 
+#include <stdlib.h>
+
 /*
  * simple structure to track the beginning and end tank pressure as
  * well as the integral of depth over time spent while we have no
diff --git a/core/import-csv.c b/core/import-csv.c
index 5bdcfd989..4775b7c58 100644
--- a/core/import-csv.c
+++ b/core/import-csv.c
@@ -1,4 +1,5 @@
 #include <unistd.h>
+#include <stdlib.h>
 #include <errno.h>
 #include <libdivecomputer/parser.h>
 
diff --git a/core/import-shearwater.c b/core/import-shearwater.c
index ad3c97b57..21ae2282b 100644
--- a/core/import-shearwater.c
+++ b/core/import-shearwater.c
@@ -14,6 +14,8 @@
 #include "membuffer.h"
 #include "gettext.h"
 
+#include <stdlib.h>
+
 static int shearwater_cylinders(void *param, int columns, char **data, char **column)
 {
 	UNUSED(columns);
diff --git a/core/import-suunto.c b/core/import-suunto.c
index 63a9cc622..5a1b0731e 100644
--- a/core/import-suunto.c
+++ b/core/import-suunto.c
@@ -15,6 +15,8 @@
 #include "gettext.h"
 #include "tag.h"
 
+#include <stdlib.h>
+
 static int dm4_events(void *param, int columns, char **data, char **column)
 {
 	UNUSED(columns);
diff --git a/core/save-html.c b/core/save-html.c
index 90aeb9d41..eeab875b9 100644
--- a/core/save-html.c
+++ b/core/save-html.c
@@ -17,7 +17,9 @@
 #include "tag.h"
 #include "subsurface-time.h"
 #include "trip.h"
+
 #include <stdio.h>
+#include <string.h>
 
 static void write_attribute(struct membuffer *b, const char *att_name, const char *value, const char *separator)
 {
diff --git a/core/statistics.c b/core/statistics.c
index 86d1cfce6..eae7414d9 100644
--- a/core/statistics.c
+++ b/core/statistics.c
@@ -6,19 +6,21 @@
  * void calculate_stats_summary(struct stats_summary *out, bool selected_only);
  * void calculate_stats_selected(stats_t *stats_selection);
  */
-#include "gettext.h"
-#include <string.h>
-#include <ctype.h>
 
+#include "statistics.h"
 #include "dive.h"
 #include "display.h"
 #include "event.h"
+#include "gettext.h"
 #include "sample.h"
 #include "subsurface-time.h"
 #include "trip.h"
-#include "statistics.h"
 #include "units.h"
 
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
 static void process_temperatures(struct dive *dp, stats_t *stats)
 {
 	temperature_t min_temp, mean_temp, max_temp = {.mkelvin = 0};
diff --git a/core/statistics.h b/core/statistics.h
index 6e125a217..ef702ea15 100644
--- a/core/statistics.h
+++ b/core/statistics.h
@@ -16,6 +16,8 @@
 #define STATS_MAX_TEMP 40		/* Max temp for stats bucket is 40C */
 #define STATS_TEMP_BUCKET 5 /* Size of buckets for temp range */
 
+struct dive;
+
 typedef struct
 {
 	int period;
diff --git a/core/unix.c b/core/unix.c
index bcac33ff3..3c30b36b8 100644
--- a/core/unix.c
+++ b/core/unix.c
@@ -7,7 +7,7 @@
 #include "subsurface-string.h"
 #include "display.h"
 #include "membuffer.h"
-#include <string.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <dirent.h>
 #include <fnmatch.h>