addressed Copilot review comments

Author: miyazakh

src/crypto/clu_crypto_setup.c

@@ -365,9 +365,10 @@ int wolfCLU_setup(int argc, char** argv, char action)
                 wolfCLU_LogError("input too long, please try again");
                 continue;
             }
-            inName[strcspn(inName, "\n")] = '\0';
+            inName[strcspn(inName, "\r\n")] = '\0';
             /* Do not accept an empty string as valid input */
             if (inName[0] == '\0') {
+                wolfCLU_LogError("empty input, please enter a file name");
                 continue;
             }
             ret = 1;
@@ -436,8 +437,9 @@ int wolfCLU_setup(int argc, char** argv, char action)
                         wolfCLU_LogError("input too long, please try again");
                         continue;
                     }
-                    outNameEnc[strcspn(outNameEnc, "\n")] = '\0';
+                    outNameEnc[strcspn(outNameEnc, "\r\n")] = '\0';
                     if (outNameEnc[0] == '\0') {
+                        wolfCLU_LogError("empty input, please enter a file name");
                         continue;
                     }
                     out = outNameEnc;
@@ -478,8 +480,9 @@ int wolfCLU_setup(int argc, char** argv, char action)
                         wolfCLU_LogError("input too long, please try again");
                         continue;
                     }
-                    outNameDec[strcspn(outNameDec, "\n")] = '\0';
+                    outNameDec[strcspn(outNameDec, "\r\n")] = '\0';
                     if (outNameDec[0] == '\0') {
+                        wolfCLU_LogError("empty input, please enter a file name");
                         continue;
                     }
                     out = outNameDec;

src/tools/clu_funcs.c

@@ -1249,14 +1249,16 @@ void wolfCLU_AddNameEntry(WOLFSSL_X509_NAME* name, int type, int nid, char* str)
     WOLFSSL_X509_NAME_ENTRY *entry;
 
     if (str != NULL) {
-        /* strip off newline character if found at the end of str */
-        i = (int)XSTRLEN((const char*)str);
+        /* strip off newline/carriage-return characters at the end of str */
+        i = (int)XSTRLEN((const char*)str) - 1;
         while (i >= 0) {
-            if (str[i] == '\n') {
+            if (str[i] == '\n' || str[i] == '\r') {
                 str[i] = '\0';
+                i--;
+            }
+            else {
                 break;
             }
-            i--;
         }
 
         /* treats a '.' string as 'do not add' */