Correct error check on fscanf

src/bmi_topmodel.c

@@ -192,7 +192,7 @@ int read_init_config(const char* config_file, topmodel_model* model) {
     //Read the stand_alone T/F
     //note: newline is needed here!
     ret = fscanf(model->control_fptr,"%d\n",&model->stand_alone);
-    if (ret != 0)
+    if (ret != 1)
         return BMI_FAILURE;
 
     //Read the title line, up to 255 characters, of the the file
@@ -205,7 +205,7 @@ int read_init_config(const char* config_file, topmodel_model* model) {
     char input_fname[MAX_FILENAME_LENGTH];
     //It might be worth always scanning this line, but only opening the file if not STAND_ALONE
     ret = fscanf(model->control_fptr,"%s",input_fname);
-    if (ret != 0)
+    if (ret != 1)
         return BMI_FAILURE;
 
     //If stand_alone TRUE, read inputs from input file
@@ -218,18 +218,18 @@ int read_init_config(const char* config_file, topmodel_model* model) {
 
     char subcat_fname[MAX_FILENAME_LENGTH],params_fname[MAX_FILENAME_LENGTH];
     ret = fscanf(model->control_fptr,"%s",subcat_fname);
-    if (ret != 0)
+    if (ret != 1)
         return BMI_FAILURE;
     ret = fscanf(model->control_fptr,"%s",params_fname);
-    if (ret != 0)
+    if (ret != 1)
         return BMI_FAILURE;
 
     char output_fname[MAX_FILENAME_LENGTH],out_hyd_fname[MAX_FILENAME_LENGTH];
     ret = fscanf(model->control_fptr,"%s",output_fname);
-    if (ret != 0)
+    if (ret != 1)
         return BMI_FAILURE;
     ret = fscanf(model->control_fptr,"%s",out_hyd_fname);
-    if (ret != 0)
+    if (ret != 1)
         return BMI_FAILURE;
 
     //Attempt to read the parsed input file names, bail if they cannot be read/created
@@ -250,7 +250,7 @@ int read_init_config(const char* config_file, topmodel_model* model) {
     //      just use model->stand_alone as control switch
     //      move line to init_config() with others
     ret = fscanf(model->subcat_fptr,"%d %d %d",&model->num_sub_catchments,&model->imap,&model->yes_print_output);
-    if (ret != 0)
+    if (ret != 3)
         return BMI_FAILURE;
 
     // Attempt to read the output file names only if printing to file