From 5918bee6453b4d93cbb56e5012c1804318d85e0a Mon Sep 17 00:00:00 2001
From: Shahram Najm <masn@ecmwf.int>
Date: Mon, 19 Feb 2024 17:14:32 +0000
Subject: [PATCH] Fix compiler warnings

---
 src/grib_nearest_class_latlon_reduced.cc | 2 +-
 src/grib_nearest_class_reduced.cc        | 2 +-
 src/grib_nearest_class_regular.cc        | 2 +-
 tests/grib_nearest_test.cc               | 7 +++----
 tools/grib_histogram.cc                  | 3 ++-
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/grib_nearest_class_latlon_reduced.cc b/src/grib_nearest_class_latlon_reduced.cc
index 992b29f2e..e38978188 100644
--- a/src/grib_nearest_class_latlon_reduced.cc
+++ b/src/grib_nearest_class_latlon_reduced.cc
@@ -409,7 +409,7 @@ static int find_global(grib_nearest* nearest, grib_handle* h,
             if (values) { /* ECC-499 */
                 grib_get_double_element_internal(h, self->values_key, self->k[kk], &(values[kk]));
             }
-            indexes[kk] = self->k[kk];
+            indexes[kk] = (int)self->k[kk];
             kk++;
         }
     }
diff --git a/src/grib_nearest_class_reduced.cc b/src/grib_nearest_class_reduced.cc
index 603c1a441..f17d3b4e3 100644
--- a/src/grib_nearest_class_reduced.cc
+++ b/src/grib_nearest_class_reduced.cc
@@ -490,7 +490,7 @@ static int find_global(grib_nearest* nearest, grib_handle* h,
                 grib_context_log(h->context, GRIB_LOG_ERROR, "grib_nearest_reduced: Unable to compute index. Value too large");
                 return GRIB_OUT_OF_RANGE;
             } else {
-                indexes[kk] = self->k[kk];
+                indexes[kk] = (int)self->k[kk];
             }
             kk++;
         }
diff --git a/src/grib_nearest_class_regular.cc b/src/grib_nearest_class_regular.cc
index 4e007ce7a..7ff90e38f 100644
--- a/src/grib_nearest_class_regular.cc
+++ b/src/grib_nearest_class_regular.cc
@@ -351,7 +351,7 @@ static int find(grib_nearest* nearest, grib_handle* h,
                 grib_context_log(h->context, GRIB_LOG_ERROR, "grib_nearest_regular: Unable to compute index. Value too large");
                 return GRIB_OUT_OF_RANGE;
             } else {
-                indexes[kk] = self->k[kk];
+                indexes[kk] = (int)self->k[kk];
             }
             kk++;
         }
diff --git a/tests/grib_nearest_test.cc b/tests/grib_nearest_test.cc
index 5731f6bb2..24b76f457 100644
--- a/tests/grib_nearest_test.cc
+++ b/tests/grib_nearest_test.cc
@@ -31,10 +31,9 @@ int main(int argc, char** argv)
 {
     int err       = 0;
     long step     = 0;
-    size_t nfiles = 0;
-    size_t i = 0, j = 0;
-    codes_fieldset* set       = NULL;
-    const size_t max_numfiles = 100;
+    int nfiles = 0, i = 0, j = 0;
+    codes_fieldset* set = NULL;
+    const int max_numfiles = 100;
     codes_handle* h           = NULL;
     char param[20]            = {0,};
     size_t len     = 20;
diff --git a/tools/grib_histogram.cc b/tools/grib_histogram.cc
index 08ce17f89..90a7e8532 100644
--- a/tools/grib_histogram.cc
+++ b/tools/grib_histogram.cc
@@ -58,10 +58,11 @@ int grib_tool_new_file_action(grib_runtime_options* options, grib_tools_file* fi
 */
 int grib_tool_new_handle_action(grib_runtime_options* options, grib_handle* h)
 {
-    size_t i, j, err = 0;
+    size_t i, j;
     size_t last_size = 0;
     long missingValuesPresent;
     double delta;
+    int err = 0;
 
     double* values = NULL;
     size_t size;