Fix some more -Wstrict-prototypes compiler warnings (#2870)

lib/db/dbmi_base/ret_codes.c

@@ -23,7 +23,7 @@
 
    \return DB_OK
  */
-int db__send_success()
+int db__send_success(void)
 {
     DB_SEND_INT(DB_OK);
     return DB_OK;
@@ -34,7 +34,7 @@ int db__send_success()
 
    \return DB_OK
  */
-int db__send_failure()
+int db__send_failure(void)
 {
     DB_SEND_INT(DB_FAILED);
     DB_SEND_C_STRING(db_get_error_msg());

lib/db/dbmi_driver/d_bindupdate.c

@@ -22,7 +22,7 @@
    \return DB_OK on success
    \return DB_FAILED on failure
  */
-int db_d_bind_update()
+int db_d_bind_update(void)
 {
     dbToken token;
     dbCursor *cursor;

lib/db/dbmi_driver/d_execute.c

@@ -77,7 +77,7 @@ int db_d_begin_transaction(void)
    \return DB_OK on success
    \return DB_FAILED on failure
  */
-int db_d_commit_transaction()
+int db_d_commit_transaction(void)
 {
     int stat;
 

lib/gis/env.c

@@ -122,7 +122,7 @@ void G__read_gisrc_env(void)
  *
  * Calls G_fatal_error when the GISRC variable is not set.
  */
-void G__read_gisrc_path()
+void G__read_gisrc_path(void)
 {
     st->gisrc = getenv("GISRC");
     if (!st->gisrc) {

lib/gis/lz4.c

@@ -641,7 +641,7 @@ int LZ4_compressBound(int isize)
     return LZ4_COMPRESSBOUND(isize);
 }
 
-int LZ4_sizeofState()
+int LZ4_sizeofState(void)
 {
     return LZ4_STREAMSIZE;
 }
@@ -2454,7 +2454,7 @@ int LZ4_uncompress_unknownOutputSize(const char *source, char *dest, int isize,
 
 /* Obsolete Streaming functions */
 
-int LZ4_sizeofStreamState()
+int LZ4_sizeofStreamState(void)
 {
     return LZ4_STREAMSIZE;
 }

lib/raster3d/defaults.c

@@ -157,7 +157,7 @@ void Rast3d_set_cache_size(int nTiles)
  *  \return int
  */
 
-int Rast3d_get_cache_size()
+int Rast3d_get_cache_size(void)
 {
     return g3d_cache_default;
 }
@@ -187,7 +187,7 @@ void Rast3d_set_cache_limit(int nBytes)
  *  \return int
  */
 
-int Rast3d_get_cache_limit()
+int Rast3d_get_cache_limit(void)
 {
     return g3d_cache_max;
 }
@@ -217,7 +217,7 @@ void Rast3d_set_file_type(int type)
  *  \return int
  */
 
-int Rast3d_get_file_type()
+int Rast3d_get_file_type(void)
 {
     return g3d_file_type;
 }

lib/raster3d/param.c

@@ -36,7 +36,7 @@ static Rast3d_paramType *param;
  *  \return void
  */
 
-void Rast3d_set_standard3d_input_params()
+void Rast3d_set_standard3d_input_params(void)
 {
     param = Rast3d_malloc(sizeof(Rast3d_paramType));
 

lib/raster3d/test/test_put_get_value.c

@@ -34,7 +34,7 @@ static int test_resampling_fcell(RASTER3D_Map *map, double north, double east,
 /* *************************************************************** */
 /* Perform the put-get value tests ******************************* */
 /* *************************************************************** */
-int unit_test_put_get_value()
+int unit_test_put_get_value(void)
 {
     int sum = 0;
 

lib/vector/Vlib/cats.c

@@ -36,7 +36,7 @@ static struct line_cats *Vect__new_cats_struct(void);
    \return struct line_cats *
    \return NULL on error
  */
-struct line_cats *Vect_new_cats_struct()
+struct line_cats *Vect_new_cats_struct(void)
 {
     struct line_cats *p;
 
@@ -54,7 +54,7 @@ struct line_cats *Vect_new_cats_struct()
 
    \return struct line_cats *
  */
-static struct line_cats *Vect__new_cats_struct()
+static struct line_cats *Vect__new_cats_struct(void)
 {
     struct line_cats *p;
 
@@ -306,7 +306,7 @@ int Vect_reset_cats(struct line_cats *Cats)
    \return pointer to allocated structure
    \return NULL if out of memory
  */
-struct cat_list *Vect_new_cat_list()
+struct cat_list *Vect_new_cat_list(void)
 {
     struct cat_list *p;
 

lib/vector/Vlib/line.c

@@ -42,7 +42,7 @@ struct line_pnts *Vect__new_line_struct(void);
 
    \return pointer to line_pnts
  */
-struct line_pnts *Vect_new_line_struct()
+struct line_pnts *Vect_new_line_struct(void)
 {
     struct line_pnts *p;
 
@@ -52,7 +52,7 @@ struct line_pnts *Vect_new_line_struct()
     return p;
 }
 
-struct line_pnts *Vect__new_line_struct()
+struct line_pnts *Vect__new_line_struct(void)
 {
     struct line_pnts *p;
 

lib/vector/diglib/struct_alloc.c

@@ -484,7 +484,7 @@ int dig_isle_alloc_line(struct P_isle *isle, int add)
 /*!
    \brief For now just print message and return error code
  */
-int dig_out_of_memory()
+int dig_out_of_memory(void)
 {
     G_warning(_("Out of memory"));
     return -1;

raster/r.kappa/print_json.c

@@ -4,7 +4,7 @@
 #include "kappa.h"
 #include "local_proto.h"
 
-void print_json()
+void print_json(void)
 {
     bool first;
     FILE *fd;

raster/r.out.vtk/parameters.c

@@ -23,7 +23,7 @@
 /* PARAMETERS ************************************************************** */
 /* ************************************************************************* */
 
-void set_params()
+void set_params(void)
 {
     param.input = G_define_standard_option(G_OPT_R_INPUTS);
     param.input->required = NO;

raster/r.sim/simlib/output.c

@@ -607,7 +607,7 @@ int output_data(int tt, double ft UNUSED)
     return 1;
 }
 
-int output_et()
+int output_et(void)
 {
 
     FCELL *tc_cell, *et_cell;

raster3d/r3.out.vtk/parameters.c

@@ -22,7 +22,7 @@
 /* ************************************************************************* */
 /* Setg up the arguments we are expecting ********************************** */
 /* ************************************************************************* */
-void set_params()
+void set_params(void)
 {
     param.input = G_define_standard_option(G_OPT_R3_INPUTS);
     param.input->required = NO;

vector/v.to.db/units.c

@@ -1,7 +1,7 @@
 #include <string.h>
 #include "global.h"
 
-int conv_units()
+int conv_units(void)
 {
     int i, rad;
     double f, sq_f;