Examples: cppcheck warnings

examples/C/grib_precision.c

@@ -62,6 +62,7 @@ int main(int argc, char** argv)
     h = codes_handle_new_from_file(0, in, PRODUCT_GRIB, &err);
     if (h == NULL) {
         fprintf(stderr, "Error: unable to create handle from file %s\n", infile);
+        fclose(out);
         return 1;
     }
 

examples/C/grib_set_bitmap.c

@@ -52,6 +52,7 @@ int main(int argc, char** argv)
     h = codes_handle_new_from_file(0, in, PRODUCT_GRIB, &err);
     if (h == NULL) {
         fprintf(stderr, "Error: unable to create handle from file %s\n", infile);
+        fclose(out);
         return 1;
     }
 

examples/C/grib_set_keys.c

@@ -53,6 +53,7 @@ int main(int argc, char** argv)
     h = codes_handle_new_from_file(0, in, PRODUCT_GRIB, &err);
     if (h == NULL) {
         fprintf(stderr, "Error: unable to create handle from file %s\n", infile);
+        fclose(out);
         return 1;
     }
 

examples/C/grib_set_missing.c

@@ -47,10 +47,11 @@ int main(int argc, char** argv)
         return 1;
     }
 
-    /* create a new handle from a message in a file */
+    /* create a new GRIB handle from a message in a file */
     h = codes_handle_new_from_file(0, in, PRODUCT_GRIB, &err);
     if (h == NULL) {
         fprintf(stderr, "Error: unable to create handle from file %s\n", infile);
+        fclose(out);
         return 1;
     }
 

examples/C/grib_set_pv.c

@@ -61,6 +61,7 @@ int main(int argc, char** argv)
     h = codes_handle_new_from_file(0, in, PRODUCT_GRIB, &err);
     if (h == NULL) {
         fprintf(stderr, "Error: unable to create handle from file %s\n", infile);
+        fclose(out);
         return 1;
     }
 

examples/C/large_grib1.c

@@ -17,15 +17,17 @@ int main()
 {
     const int ni = 2880;
     const int nj = 2880;
+    size_t numbytes = 0;
     double* values;
     int i                = 0;
     codes_handle* h      = NULL;
     const char* filename = "bigfile.grib";
 
-    values = (double*)malloc(ni * nj * sizeof(double));
+    numbytes = ni * nj * sizeof(double);
+    values = (double*)malloc(numbytes);
     if (!values) {
-        printf("Malloc failed - requested %lu bytes\n", ni * nj * sizeof(double));
-        exit(1);
+        printf("Malloc failed - requested %lu bytes\n", (unsigned long)numbytes);
+        return 1;
     }
 
     for (i = 0; i < ni * nj; i++) {