Fix uninitialized variables in Union loggers

Author: Lomholy

mcstas-comps/union/Union_logger_1D.comp

@@ -452,7 +452,7 @@ INITIALIZE
   sprintf(this_storage.Detector_1D.Filename,"%s",filename);
 
   // detect variable type and set axis accordingly
-  int variable_identifier; // 1 time, 2 |q|, ...
+  int variable_identifier = 0; // 1 time, 2 |q|, ... set to 0 as placeholder to make linter play nice
   if (strcmp(variable,"time") == 0) {
     variable_identifier = 1;
     sprintf(this_storage.Detector_1D.string_axis,"time [s]");

mcstas-comps/union/Union_logger_2DQ.comp

@@ -515,7 +515,7 @@ INITIALIZE
       printf("ERROR, Union logger 2DQ named \"%s\" has an invalid Q_direction_1 string, it should be \"x\",\"y\" or \"z\".\n",NAME_CURRENT_COMP);
       exit(1);
   }
-  char temp_string[2];
+  char temp_string[2] = "UN"; // UN stands for unset. Courtesy of linter play
   if (strcmp(Q_direction_2,"x") == 0 || strcmp(Q_direction_2,"X") == 0) {
       this_storage.dim_2_choice = 0;
       sprintf(this_storage.Detector_2D.string_axis_2,"Q_x [A^-1]");

mcstas-comps/union/Union_logger_2D_space.comp

@@ -556,7 +556,7 @@ INITIALIZE
       exit(1);
   }
 
-  char temp_string[2];
+  char temp_string[2] = "UN"; // UN stands for unset. Courtesy of linter play
   if (strcmp(D_direction_2,"x") == 0 || strcmp(D_direction_2,"X") == 0) {
       this_storage.dim_2_choice = 0;
       sprintf(this_storage.Detector_2D.string_axis_2,"x [m]");

mcstas-comps/union/Union_logger_3D_space.comp

@@ -642,7 +642,7 @@ INITIALIZE
       exit(1);
   }
 
-  char temp_string[2];
+  char temp_string[2] = "UN"; // UN stands for unset, courtesy of linter play
   if (strcmp(D_direction_2,"x") == 0 || strcmp(D_direction_2,"X") == 0) {
       this_storage.dim_2_choice = 0;
       sprintf(this_storage.Detector_3D.string_axis_2,"x [m]");