Fix memory leaks

cpp/Compress/sprintz_delta.cpp

@@ -346,6 +346,7 @@ int64_t compress_rowmajor(const uint_t* src, uint32_t len, int_t* dest,
     free(stripe_bitoffsets);
     free(stripe_masks);
     free(stripe_headers);
+    free(header_bytes);
 
     uint32_t remaining_len = (uint32_t)(len - (src - orig_src));
     // printf("read src bytes: %lu\n", (uint32_t)(src - orig_src));
@@ -998,6 +999,7 @@ int64_t compress_rowmajor_delta(const uint_t* src, uint32_t len, int_t* dest,
     free(stripe_bitoffsets);
     free(stripe_masks);
     free(stripe_headers);
+    free(header_bytes);
     free(deltas);
 
     uint32_t remaining_len = (uint32_t)(len - (src - orig_src));

cpp/Compress/sprintz_delta_rle.cpp

@@ -393,6 +393,7 @@ int64_t compress_rowmajor_delta_rle(const uint_t* src, uint64_t len,
     free(stripe_bitoffsets);
     free(stripe_masks);
     free(stripe_headers);
+    free(header_bytes);
     free(deltas);
 
     uint32_t remaining_len = (uint32_t)(src_end - src);

cpp/Compress/sprintz_xff.cpp

@@ -296,6 +296,7 @@ int64_t compress8b_rowmajor_xff(const uint8_t* src, uint64_t len, int8_t* dest,
     free(stripe_bitoffsets);
     free(stripe_masks);
     free(stripe_headers);
+    free(header_bytes);
     free(errs);
 
     uint32_t remaining_len = (uint32_t)(len - (src - orig_src));
@@ -616,6 +617,7 @@ int64_t decompress8b_rowmajor_xff(const int8_t* src, uint8_t* dest) {
     free(data_masks);
     free(stripe_bitwidths);
     free(stripe_bitoffsets);
+    free(errs_ar);
 
     // copy over trailing data
     size_t remaining_len = orig_len - (dest - orig_dest);

cpp/Compress/sprintz_xff_lowdim.cpp

@@ -386,6 +386,7 @@ int64_t compress_rowmajor_xff_rle_lowdim(const uint_t* src, uint32_t len,
 main_loop_end:
 
     free(errs);
+    free(coef_counters_ar);
     free(dims_nbits);
     free(header_bytes);
 

cpp/Compress/sprintz_xff_rle.cpp

@@ -536,6 +536,7 @@ int64_t compress_rowmajor_xff_rle(const uint_t* src, uint32_t len,
     free(stripe_bitoffsets);
     free(stripe_masks);
     free(stripe_headers);
+    free(header_bytes);
     free(errs);
 
     // printf("wrote ngroups: %d\n", (int)ngroups);