diff --git a/binary/lister.c b/binary/listpart.c
similarity index 52%
rename from binary/lister.c
rename to binary/listpart.c
index e87dd13..f6c27e0 100644
--- a/binary/lister.c
+++ b/binary/listpart.c
@@ -1,10 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdbool.h>
-
-#include "include/common.h"
-
 /* By YZBruh */
 
 /*
@@ -23,41 +16,76 @@
  * limitations under the License.
  */
 
-extern char *cust_cxt;
-extern bool use_cust_cxt;
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <errno.h>
+#include <dirent.h>
+
+#include "include/pmt.h"
+
+extern bool pmt_use_cust_cxt;
 extern bool pmt_ab;
 extern bool pmt_logical;
+extern bool pmt_force_mode;
+extern char *cust_cxt;
 
 /* list existing partitions */
 void listpart() {
-    if (use_cust_cxt) {
-        printf("List of classic partitions (%s): \n", cust_cxt);
-        static char cust_cxt_path[150];
-        sprintf(cust_cxt_path, "ls %s", cust_cxt);
-        if (system(cust_cxt_path) != 0) {
-            error("An error occurred when the partition list appears!\n");
+    DIR *dir;
+    struct dirent *entry;
+
+    if (pmt_use_cust_cxt) {
+        dir = opendir(cust_cxt);
+        if (dir == NULL) {
+            if (!pmt_force_mode) {
+                fprintf(stderr, "Could not open: `%s`. Error reason: %s\n", cust_cxt, strerror(errno));
+                exit(62);
+            } else {
+                exit(62);
+            }
         }
     } else {
-        printf("List of classic partitions (/dev/block/by-name): \n");
-        if (system("ls /dev/block/by-name") != 0) {
-            error("An error occurred when the classic partition list appears!\n");
+        dir = opendir("/dev/block/by-name");
+        if (dir == NULL) {
+            if (!pmt_force_mode) {
+                fprintf(stderr, "Could not open: `/dev/block/by-name`. Error reason: %s\n", strerror(errno));
+                exit(63);
+            } else {
+                exit(63);
+            }
         }
     }
 
+    while ((entry = readdir(dir)) != NULL) {
+        printf("%s\n", entry->d_name);
+    }
+
+    closedir(dir);
+
     if (pmt_logical) {
         printf("List of logical partitions (/dev/block/mapper): \n");
-        if (system("ls /dev/block/mapper") != 0) {
-            error("An error occurred when the logical partition list appears!\n");
+        if (system("ls /dev/block/mapper") != 0 && !pmt_force_mode) {
+            error("An error occurred when the logical partition list appears!\n", 64);
         }
     }
 
-    if (pmt_ab) {
+    if (pmt_ab && !pmt_force_mode) {
         printf("%sWarning: device using A/B partition style.%s\n", ANSI_YELLOW, ANSI_RESET);
     }
 
-    if (pmt_logical) {
+    if (pmt_logical && !pmt_force_mode) {
         printf("%sWarning: device using logical partition type.%s\n", ANSI_YELLOW, ANSI_RESET);
     }
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 /* end of code */