Added return status

c-code/README.md

@@ -7,7 +7,7 @@ There are two examples: **test_MPS** and **test_DBL**.
    It replicates structure from [SoftIOC > Errant > MPS > DTL_LLRF_HPM6_fault > 20200214_135209](https://ics-srv-web2.sns.ornl.gov/Diagnostics/index.php?dir=Instruments%2FSoftIOC%2FErrant%2FMPS%2FDTL_LLRF_HPM6_fault%2F20200214_135209%2F)
 
 1. #### DBL
-   This creates a ~10Mb file that stores waveforms.
+   This creates a relatively large file that stores waveforms.
 
 ## Compilation 
 To compile **test_XXX** executable run following from **c-code** directory

c-code/binary_storage.c

@@ -39,7 +39,7 @@ void close_record(BinaryStorage *bs){
     free(bs->contents);
     bs->contents = temp;
     bs->buf_size = newsz;
-    printf("Buffer size was doubled, new size is %d\n",newsz);
+//    printf("Buffer size was doubled, new size is %zu\n",newsz);
   }
 
   bs->contents[bs->con_idx]=ftell(bs->file);
@@ -94,10 +94,12 @@ int write_meta(BinaryStorage *bs, char* name, TSTMP timestamp, TAGS *tags, char*
     fwrite(&raw_len,4,1,bs->file);
     fwrite(description, 1,length,bs->file);
   }
+  return 0;
 }
 int bsWriteTagsOnly(BinaryStorage *bs, char* name, TSTMP timestamp, TAGS *tags, char* description){
     write_meta(bs, name, timestamp, tags, description, 0);
     close_record(bs);
+    return 0;
 }
 int bsWriteDBL(BinaryStorage *bs, char* name, TSTMP timestamp, DBL value, TAGS *tags, char* description){
    uint32_t count = value.count;
@@ -121,6 +123,7 @@ int bsWriteDBL(BinaryStorage *bs, char* name, TSTMP timestamp, DBL value, TAGS *
 
   }
   close_record(bs);
+  return 0;
 }