diff --git a/lib/common/cmp_error.c b/lib/common/cmp_error.c
index 7e8caf562e8999d956010af61724d346ec494b3b..b29fb0ab4c5e0dd56405e74f0c1554625ba02358 100644
--- a/lib/common/cmp_error.c
+++ b/lib/common/cmp_error.c
@@ -74,7 +74,7 @@ const char* cmp_get_error_string(enum cmp_error code)
 		return "No error detected";
 	case CMP_ERROR_GENERIC:
 		return "Error (generic)";
-	case CMP_ERROR_SMALL_BUF_:
+	case CMP_ERROR_SMALL_BUFFER:
 		return "Destination buffer is too small to hold the whole compressed data";
 	case CMP_ERROR_DATA_VALUE_TOO_LARGE:
 		return "Data value is larger than expected";
diff --git a/lib/common/cmp_error_list.h b/lib/common/cmp_error_list.h
index 94476c9455701071c3c68feb01ab9a0aa912ae78..9a7a41f456fc0c2c564553c658f215fecffa66eb 100644
--- a/lib/common/cmp_error_list.h
+++ b/lib/common/cmp_error_list.h
@@ -28,7 +28,7 @@
 enum cmp_error {
 	CMP_ERROR_NO_ERROR = 0,
 	CMP_ERROR_GENERIC = 1,
-	CMP_ERROR_SMALL_BUF_ = 2,
+	CMP_ERROR_SMALL_BUFFER = 2,
 	CMP_ERROR_DATA_VALUE_TOO_LARGE = 3,
 	/* compression parameter errors */
 	CMP_ERROR_PAR_GENERIC = 20,
diff --git a/lib/icu_compress/cmp_icu.c b/lib/icu_compress/cmp_icu.c
index d91c2e3ce15b7a41d92c1314e747d3f50b45e1f7..74a9fa27b943dd906744150271677b7a7d2c7843 100644
--- a/lib/icu_compress/cmp_icu.c
+++ b/lib/icu_compress/cmp_icu.c
@@ -167,7 +167,7 @@ static uint32_t put_n_bits32(uint32_t value, unsigned int n_bits, uint32_t bit_o
 
 	/* Check if the bitstream buffer is large enough */
 	if (stream_len > max_stream_len)
-		return CMP_ERROR(SMALL_BUF_);
+		return CMP_ERROR(SMALL_BUFFER);
 
 	local_adr = bitstream_adr + (bit_offset >> 5);
 
@@ -1610,7 +1610,7 @@ static uint32_t compress_data_internal(const struct cmp_cfg *cfg, uint32_t strea
 			+ cfg->samples * (uint32_t)size_of_a_sample(cfg->data_type);
 
 		/* TODO: move this check to the memcpy */
-		RETURN_ERROR_IF(raw_stream_size > cfg->stream_size, SMALL_BUF_, "");
+		RETURN_ERROR_IF(raw_stream_size > cfg->stream_size, SMALL_BUFFER, "");
 	}
 
 	if (cfg->samples == 0) /* nothing to compress we are done */
@@ -1793,7 +1793,7 @@ static uint32_t cmp_collection(const uint8_t *col,
 	 */
 	if (dst) {
 		RETURN_ERROR_IF(dst_size + COLLECTION_HDR_SIZE > dst_capacity,
-				SMALL_BUF_, "");
+				SMALL_BUFFER, "");
 		memcpy((uint8_t *)dst + dst_size, col, COLLECTION_HDR_SIZE);
 	}
 	dst_size += COLLECTION_HDR_SIZE;
@@ -1804,12 +1804,12 @@ static uint32_t cmp_collection(const uint8_t *col,
 	if ((dst == NULL || dst_capacity >= dst_size + col_data_length) &&
 	    cfg->cmp_mode != CMP_MODE_RAW) {
 		/* we set the compressed buffer size to the data size -1 to provoke
-		 * a CMP_ERROR_SMALL_BUF_ error if the data are not compressible
+		 * a CMP_ERROR_SMALL_BUFFER error if the data are not compressible
 		 */
 		cfg->stream_size = dst_size + col_data_length - 1;
 		dst_size_bits = compress_data_internal(cfg, dst_size << 3);
 
-		if (cmp_get_error_code(dst_size_bits) == CMP_ERROR_SMALL_BUF_ ||
+		if (cmp_get_error_code(dst_size_bits) == CMP_ERROR_SMALL_BUFFER ||
 		    (!dst && dst_size_bits > cmp_stream_size_to_bits(cfg->stream_size))) { /* if dst == NULL compress_data_internal will not return a CMP_ERROR_SMALL_BUF */
 			/* can not compress the data with the given parameters;
 			 * put them uncompressed (raw) into the dst buffer */
@@ -2149,7 +2149,7 @@ uint32_t compress_chunk(const void *chunk, uint32_t chunk_size,
 	 * header after the compression of the chunk
 	 */
 	cmp_size_byte = cmp_ent_build_chunk_header(NULL, chunk_size, &cfg, start_timestamp, 0);
-	RETURN_ERROR_IF(dst && dst_capacity < cmp_size_byte, SMALL_BUF_,
+	RETURN_ERROR_IF(dst && dst_capacity < cmp_size_byte, SMALL_BUFFER,
 			"dst_capacity must be at least as large as the minimum size of the compression unit.");
 
 
@@ -2338,7 +2338,7 @@ uint32_t compress_like_rdcu(const struct rdcu_cfg *rcfg, struct cmp_info *info)
 	cmp_size_bit = compress_data_internal(&cfg, 0);
 
 	if (info) {
-		if (cmp_get_error_code(cmp_size_bit) == CMP_ERROR_SMALL_BUF_)
+		if (cmp_get_error_code(cmp_size_bit) == CMP_ERROR_SMALL_BUFFER)
 			info->cmp_err |= 1UL << 0;/* SMALL_BUFFER_ERR_BIT;*/ /* set small buffer error */
 		if (cmp_is_error(cmp_size_bit)) {
 			info->cmp_size = 0;
diff --git a/programs/cmp_tool.c b/programs/cmp_tool.c
index 1bd900ea5352a8fab3e9aee8a22bbef583d2ff38..3cd3c8a91b73fc91dd578e6d04d22afade06723b 100644
--- a/programs/cmp_tool.c
+++ b/programs/cmp_tool.c
@@ -751,7 +751,7 @@ static int compression_for_rdcu(struct rdcu_cfg *rcfg)
 
 	cmp_size = compress_like_rdcu(rcfg, &info);
 	if (cmp_is_error(cmp_size)) {
-		if (cmp_get_error_code(cmp_size) == CMP_ERROR_SMALL_BUF_)
+		if (cmp_get_error_code(cmp_size) == CMP_ERROR_SMALL_BUFFER)
 			fprintf(stderr, "Error: The buffer for the compressed data is too small to hold the compressed data. Try a larger buffer_length parameter.\n");
 		goto error_cleanup;
 	}
diff --git a/test/cmp_decmp/test_cmp_decmp.c b/test/cmp_decmp/test_cmp_decmp.c
index 66fcce228d61329a8770e90c369b963b1e2e12b4..84b2cff8ca2422b5c2af34f806365ea81afbe1ce 100644
--- a/test/cmp_decmp/test_cmp_decmp.c
+++ b/test/cmp_decmp/test_cmp_decmp.c
@@ -1029,14 +1029,14 @@ void test_random_collection_round_trip(void)
 					cmp_size = chunk_round_trip(data, (uint32_t)size, model, updated_model,
 								    cmp_data, cmp_data_capacity,
 								    &par, 1, model_mode_is_used(par.cmp_mode));
-					TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+					TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 				}
 
 				cmp_data_capacity = cmp_size2 - cmp_rand_between(1, cmp_size2);
 				cmp_size = chunk_round_trip(data, (uint32_t)size, model, updated_model,
 							    cmp_data, cmp_data_capacity,
 							    &par, 1, model_mode_is_used(par.cmp_mode));
-				TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+				TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 			}
 		}
 	}
@@ -1111,7 +1111,7 @@ void test_cmp_collection_raw(void)
 
 	/* error case: buffer for the compressed data is to small */
 	dst_capacity -= 1;
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_,
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER,
 			      cmp_get_error_code(compress_chunk(col, col_size, NULL, NULL, dst, dst_capacity, &par)));
 
 	free(col);
@@ -1196,7 +1196,7 @@ void test_cmp_collection_diff(void)
 
 	/* error cases dst buffer to small */
 	dst_capacity -= 1;
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(compress_chunk(col, col_size, NULL, NULL, dst, dst_capacity, &par)));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(compress_chunk(col, col_size, NULL, NULL, dst, dst_capacity, &par)));
 
 	free(col);
 	free(dst);
@@ -1473,7 +1473,7 @@ void test_cmp_decmp_chunk_raw(void)
 
 		dst_capacity -= 1;
 		cmp_size = compress_chunk(chunk, chunk_size, NULL, NULL, dst, dst_capacity, &par);
-		TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+		TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 	}
 
 	free(dst);
@@ -1586,7 +1586,7 @@ void test_cmp_decmp_chunk_worst_case(void)
 
 	/* error case: buffer to small for compressed data */
 	cmp_size_byte = compress_chunk(chunk, chunk_size, NULL, NULL, dst, chunk_size, &par);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size_byte));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size_byte));
 
 	free(chunk);
 }
diff --git a/test/cmp_icu/test_cmp_icu.c b/test/cmp_icu/test_cmp_icu.c
index 4bccc3a98de1b8e0297a6b37e4fa6ba17a03df51..2d8322639201e831a5a4630af0532b4b21eaf8cf 100644
--- a/test/cmp_icu/test_cmp_icu.c
+++ b/test/cmp_icu/test_cmp_icu.c
@@ -532,7 +532,7 @@ void test_put_n_bits32(void)
 	v = 0x1; n = 1; o = 96;
 	rval = put_n_bits32(v, n, o, testarray0, l);
 	TEST_ASSERT_TRUE(cmp_is_error(rval));
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(rval));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(rval));
 	TEST_ASSERT(testarray0[0] == 0);
 	TEST_ASSERT(testarray0[1] == 0);
 	TEST_ASSERT(testarray0[2] == 0);
@@ -545,7 +545,7 @@ void test_put_n_bits32(void)
 	v = 0x0; n = 32; o = INT32_MAX;
 	rval = put_n_bits32(v, n, o, testarray1, l);
 	TEST_ASSERT_TRUE(cmp_is_error(rval));
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(rval));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(rval));
 	TEST_ASSERT(testarray1[0] == 0xffffffff);
 	TEST_ASSERT(testarray1[1] == 0xffffffff);
 	TEST_ASSERT(testarray1[2] == 0xffffffff);
@@ -854,7 +854,7 @@ void test_encode_value_zero(void)
 	data = 23; model = 26;
 	stream_len = encode_value_zero(data, model, stream_len, &setup);
 	TEST_ASSERT_TRUE(cmp_is_error(stream_len));
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(stream_len));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(stream_len));
 
 	/* reset bitstream to all bits set */
 	bitstream[0] = ~0U;
@@ -906,7 +906,7 @@ void test_encode_value_zero(void)
 	data = 31; model = 0;
 	stream_len = encode_value_zero(data, model, stream_len, &setup);
 	TEST_ASSERT_TRUE(cmp_is_error(stream_len));
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(stream_len));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(stream_len));
 	TEST_ASSERT_EQUAL_HEX(0, be32_to_cpu(bitstream[0]));
 	TEST_ASSERT_EQUAL_HEX(0, be32_to_cpu(bitstream[1]));
 	TEST_ASSERT_EQUAL_HEX(0, be32_to_cpu(bitstream[2]));
@@ -989,7 +989,7 @@ void test_encode_value_multi(void)
 	/* small buffer error */
 	data = 0; model = 38;
 	stream_len = encode_value_multi(data, model, stream_len, &setup);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(stream_len));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(stream_len));
 
 	/* small buffer error when creating the multi escape symbol*/
 	bitstream[0] = 0;
@@ -999,7 +999,7 @@ void test_encode_value_multi(void)
 	stream_len = 32;
 	data = 31; model = 0;
 	stream_len = encode_value_multi(data, model, stream_len, &setup);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(stream_len));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(stream_len));
 	TEST_ASSERT_EQUAL_HEX(0, bitstream[0]);
 	TEST_ASSERT_EQUAL_HEX(0, bitstream[1]);
 }
@@ -1087,7 +1087,7 @@ void test_encode_value(void)
 
 	/* small buffer error bitstream can not hold more data*/
 	cmp_size = encode_value(data, model, cmp_size, &setup);
-	TEST_ASSERT_EQUAL_UINT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_UINT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 
 	/* reset bitstream */
 	bitstream[0] = 0;
@@ -1226,7 +1226,7 @@ void test_compress_imagette_diff(void)
 	rcfg.ap2_spill = 8;
 	rcfg.buffer_length = 3;
 	cmp_size = compress_like_rdcu(&rcfg, &info);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 	TEST_ASSERT_EQUAL_HEX(0xDF6002AB, be32_to_cpu(output_buf[0]));
 	TEST_ASSERT_EQUAL_HEX(0xFEB70000, be32_to_cpu(output_buf[1]));
 	TEST_ASSERT_EQUAL_HEX(0x00000000, be32_to_cpu(output_buf[2]));
@@ -1371,7 +1371,7 @@ void test_compress_imagette_raw(void)
 
 	cmp_size = compress_like_rdcu(&rcfg, NULL);
 	TEST_ASSERT_TRUE(cmp_is_error(cmp_size));
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 
 	free(output_buf);
 }
@@ -1410,7 +1410,7 @@ void test_compress_imagette_error_cases(void)
 	rcfg.buffer_length = 4;
 
 	cmp_size = compress_like_rdcu(&rcfg, NULL);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 
 	/* compressed data buffer to small test part 2 */
 	rcfg.cmp_mode = CMP_MODE_DIFF_ZERO;
@@ -1422,7 +1422,7 @@ void test_compress_imagette_error_cases(void)
 	rcfg.buffer_length = 1;
 
 	cmp_size = compress_like_rdcu(&rcfg, NULL);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 
 
 	/* test unknown cmp_mode */
@@ -1522,7 +1522,7 @@ void test_pad_bitstream(void)
 	cmp_size = 64;
 	cmp_size = put_n_bits32(0, 1, cmp_size, cfg.dst, MAX_BIT_LEN);
 	cmp_size_return = pad_bitstream(&cfg, cmp_size);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size_return));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size_return));
 }
 
 
@@ -1651,7 +1651,7 @@ void test_compress_chunk_raw_singel_col(void)
 	dst = malloc(dst_capacity); TEST_ASSERT_NOT_NULL(dst);
 	cmp_size = compress_chunk(chunk, CHUNK_SIZE, NULL, NULL, dst,
 				  dst_capacity, &cmp_par);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 	free(dst);
 }
 
@@ -1771,7 +1771,7 @@ void test_compress_chunk_raw_two_col(void)
 	dst = malloc(dst_capacity); TEST_ASSERT_NOT_NULL(dst);
 	cmp_size = compress_chunk(chunk, CHUNK_SIZE, NULL, NULL, dst,
 				  dst_capacity, &cmp_par);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 	free(dst);
 }
 
@@ -1897,7 +1897,7 @@ void test_collection_zero_data_length(void)
 	dst_capacity -= 1;
 	cmp_size = compress_chunk(chunk, CHUNK_SIZE, NULL, NULL, dst,
 				  dst_capacity, &cmp_par);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 	free(dst);
 }
 
@@ -2082,7 +2082,7 @@ void test_compress_chunk_error_cases(void)
 	/* error: dst buffer smaller than entity header */
 	cmp_size = compress_chunk(chunk, CHUNK_SIZE, chunk_model,
 				  updated_chunk_model, dst, 5, &cmp_par);
-	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUF_, cmp_get_error_code(cmp_size));
+	TEST_ASSERT_EQUAL_INT(CMP_ERROR_SMALL_BUFFER, cmp_get_error_code(cmp_size));
 
 	/* error: invalid collection type */
 	TEST_ASSERT_FALSE(cmp_col_set_subservice((struct collection_hdr *)chunk, 42));
diff --git a/test/fuzz/fuzz_compression.c b/test/fuzz/fuzz_compression.c
index d42d4ddd15c9c2d07ccca6a8194cbfcacf3ca6d4..2817129848143929800c02ef13381733585152af 100644
--- a/test/fuzz/fuzz_compression.c
+++ b/test/fuzz/fuzz_compression.c
@@ -94,7 +94,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
 	switch (cmp_get_error_code(return_value)) {
 	case CMP_ERROR_NO_ERROR:
 	case CMP_ERROR_GENERIC:
-	case CMP_ERROR_SMALL_BUF_:
+	case CMP_ERROR_SMALL_BUFFER:
 	/* compression parameter errors */
 	case CMP_ERROR_PAR_GENERIC:
 	case CMP_ERROR_PAR_SPECIFIC:
diff --git a/test/fuzz/fuzz_round_trip.c b/test/fuzz/fuzz_round_trip.c
index 8dea441126549d2feb21083c00b790b12b07a73f..c8a1ff1397354318ca267c04cfa3e1bc74a662c1 100644
--- a/test/fuzz/fuzz_round_trip.c
+++ b/test/fuzz/fuzz_round_trip.c
@@ -82,7 +82,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
 	switch (cmp_get_error_code(return_value)) {
 	case CMP_ERROR_NO_ERROR:
 	case CMP_ERROR_GENERIC:
-	case CMP_ERROR_SMALL_BUF_:
+	case CMP_ERROR_SMALL_BUFFER:
 	/* compression parameter errors */
 	case CMP_ERROR_PAR_GENERIC:
 	case CMP_ERROR_PAR_SPECIFIC:
diff --git a/test/test_common/chunk_round_trip.c b/test/test_common/chunk_round_trip.c
index f23fcea1575426da7500d1e5c12d3e89ac84c0fe..82a936c74f20587c82c8717959dee19824e11b1f 100644
--- a/test/test_common/chunk_round_trip.c
+++ b/test/test_common/chunk_round_trip.c
@@ -97,7 +97,7 @@ uint32_t chunk_round_trip(const void *chunk, uint32_t chunk_size,
 		}
 		cmp_size2 = compress_chunk(chunk, chunk_size, chunk_model, updated_chunk_model,
 					   NULL, dst_capacity, cmp_par);
-		if (cmp_get_error_code(cmp_size) == CMP_ERROR_SMALL_BUF_) {
+		if (cmp_get_error_code(cmp_size) == CMP_ERROR_SMALL_BUFFER) {
 			TEST_ASSERT(!cmp_is_error(cmp_size));
 		} else {
 			TEST_ASSERT(cmp_size == cmp_size2);