diff --git a/app/test-bbdev/main.c b/app/test-bbdev/main.c
index ec830eb32bc8..b1f2d79f4b07 100644
--- a/app/test-bbdev/main.c
+++ b/app/test-bbdev/main.c
@@ -251,9 +251,8 @@ parse_args(int argc, char **argv, struct test_params *tp)
 			TEST_ASSERT(strlen(optarg) > 0,
 					"Config file name is null");
 
-			snprintf(tp->test_vector_filename,
-					sizeof(tp->test_vector_filename),
-					"%s", optarg);
+			strlcpy(tp->test_vector_filename, optarg,
+				sizeof(tp->test_vector_filename));
 			break;
 		case 's':
 			TEST_ASSERT(strlen(optarg) > 0,
diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index 58939ec321d6..40f67d126b4b 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -10028,7 +10028,7 @@ parse_hex_string(const char *src, uint8_t *dst, uint32_t *size)
 		char tmp[3], *end = tmp;
 		uint32_t read_lim = left & 1 ? 1 : 2;
 
-		snprintf(tmp, read_lim + 1, "%s", src);
+		strlcpy(tmp, src, read_lim + 1);
 		*dst = strtoul(tmp, &end, 16);
 		if (*end) {
 			*dst = 0;
@@ -11404,7 +11404,7 @@ cmd_flow_get_help(cmdline_parse_token_hdr_t *hdr, char *dst, unsigned int size)
 	if (!size)
 		return -1;
 	/* Set token type and update global help with details. */
-	strlcpy(dst, (token->type ? token->type : "TOKEN"), size);
+	strlcpy(dst, token->type ? : "TOKEN", size);
 	if (token->help)
 		cmd_flow.help_str = token->help;
 	else
@@ -12220,7 +12220,7 @@ cmd_set_raw_get_help(cmdline_parse_token_hdr_t *hdr, char *dst,
 	if (!size)
 		return -1;
 	/* Set token type and update global help with details. */
-	snprintf(dst, size, "%s", (token->type ? token->type : "TOKEN"));
+	strlcpy(dst, token->type ? : "TOKEN", size);
 	if (token->help)
 		cmd_set_raw.help_str = token->help;
 	else
diff --git a/app/test/process.h b/app/test/process.h
index 1f073b9c5c2a..e2bdecb9c807 100644
--- a/app/test/process.h
+++ b/app/test/process.h
@@ -176,7 +176,7 @@ get_current_prefix(char *prefix, int size)
 		return NULL;
 
 	/* get the prefix */
-	snprintf(prefix, size, "%s", basename(dirname(buf)));
+	strlcpy(prefix, basename(dirname(buf)), size);
 
 	return prefix;
 }
diff --git a/app/test/test_graph_perf.c b/app/test/test_graph_perf.c
index c5b463f700cd..521d4077600d 100644
--- a/app/test/test_graph_perf.c
+++ b/app/test/test_graph_perf.c
@@ -294,8 +294,9 @@ graph_node_count_edges(uint32_t stage, uint16_t node, uint16_t nodes_per_stage,
 	for (i = 0; i < nodes_per_stage && edges < MAX_EDGES_PER_NODE; i++) {
 		if (edge_map[stage + 1][i][node]) {
 			ename[edges] = malloc(sizeof(char) * RTE_NODE_NAMESIZE);
-			snprintf(ename[edges], RTE_NODE_NAMESIZE, "%s",
-				 rte_node_id_to_name(node_map[stage + 1][i]));
+			strlcpy(ename[edges],
+				rte_node_id_to_name(node_map[stage + 1][i]),
+				RTE_NODE_NAMESIZE);
 			node_data->next_nodes[edges] = node_map[stage + 1][i];
 			node_data->next_percentage[edges] =
 				edge_map[stage + 1][i][node];
@@ -405,9 +406,9 @@ graph_init(const char *gname, uint8_t nb_srcs, uint8_t nb_sinks,
 				graph_data->nb_nodes++;
 				goto pattern_name_free;
 			}
-			snprintf(node_patterns[graph_data->nb_nodes],
-				 RTE_NODE_NAMESIZE, "%s",
-				 rte_node_id_to_name(node_map[i][j]));
+			strlcpy(node_patterns[graph_data->nb_nodes],
+				rte_node_id_to_name(node_map[i][j]),
+				RTE_NODE_NAMESIZE);
 			node_data =
 				&graph_data->node_data[graph_data->nb_nodes];
 			node_data->node_id = node_map[i][j];
@@ -467,8 +468,8 @@ graph_init(const char *gname, uint8_t nb_srcs, uint8_t nb_sinks,
 			graph_data->nb_nodes++;
 			goto pattern_name_free;
 		}
-		snprintf(node_patterns[graph_data->nb_nodes], RTE_NODE_NAMESIZE,
-			 "%s", rte_node_id_to_name(src_nodes[i]));
+		strlcpy(node_patterns[graph_data->nb_nodes],
+			rte_node_id_to_name(src_nodes[i]), RTE_NODE_NAMESIZE);
 		node_data = &graph_data->node_data[graph_data->nb_nodes];
 		node_data->node_id = src_nodes[i];
 		node_data->is_sink = false;
@@ -479,8 +480,9 @@ graph_init(const char *gname, uint8_t nb_srcs, uint8_t nb_sinks,
 			if (!src_map[i][j])
 				continue;
 			ename[edges] = malloc(sizeof(char) * RTE_NODE_NAMESIZE);
-			snprintf(ename[edges], RTE_NODE_NAMESIZE, "%s",
-				 rte_node_id_to_name(node_map[0][j]));
+			strlcpy(ename[edges],
+				rte_node_id_to_name(node_map[0][j]),
+				RTE_NODE_NAMESIZE);
 			node_data->next_nodes[edges] = node_map[0][j];
 			node_data->next_percentage[edges] = src_map[i][j];
 			edges++;
@@ -524,8 +526,8 @@ graph_init(const char *gname, uint8_t nb_srcs, uint8_t nb_sinks,
 			graph_data->nb_nodes++;
 			goto pattern_name_free;
 		}
-		snprintf(node_patterns[graph_data->nb_nodes], RTE_NODE_NAMESIZE,
-			 "%s", rte_node_id_to_name(snk_nodes[i]));
+		strlcpy(node_patterns[graph_data->nb_nodes],
+			rte_node_id_to_name(snk_nodes[i]), RTE_NODE_NAMESIZE);
 		node_data = &graph_data->node_data[graph_data->nb_nodes];
 		node_data->node_id = snk_nodes[i];
 		node_data->is_sink = true;
@@ -543,8 +545,9 @@ graph_init(const char *gname, uint8_t nb_srcs, uint8_t nb_sinks,
 			if (!snk_map[i][j])
 				continue;
 			ename[edges] = malloc(sizeof(char) * RTE_NODE_NAMESIZE);
-			snprintf(ename[edges], RTE_NODE_NAMESIZE, "%s",
-				 rte_node_id_to_name(snk_nodes[j]));
+			strlcpy(ename[edges],
+				rte_node_id_to_name(snk_nodes[j]),
+				RTE_NODE_NAMESIZE);
 			node_data->next_nodes[edges] = snk_nodes[j];
 			node_data->next_percentage[edges] = snk_map[i][j];
 			edges++;
