Version v0.2.32 - implemented enhanced interactive filename editing for decrypt functionality

decrypted.bin

@@ -0,0 +1 @@
+Hello, this is a test file for encryption!

otp.c

@@ -461,16 +461,28 @@ int handle_encrypt_menu(void) {
         
         int ascii_armor = (atoi(format_input) == 2) ? 1 : 0;
         
-        // Ask for custom output filename (optional)
+        // Generate default output filename and use enhanced input function
-        printf("\nEnter output filename (or press Enter for default): ");
+        char default_output[512];
+        snprintf(default_output, sizeof(default_output), "%s.decrypted", input_file);
+        
+        // Remove common encrypted extensions to get a better default
+        if (strstr(default_output, ".otp.asc.decrypted")) {
+            // Replace .otp.asc.decrypted with original extension or no extension
+            char* ext_pos = strstr(default_output, ".otp.asc.decrypted");
+            *ext_pos = '\0';
+        } else if (strstr(default_output, ".otp.decrypted")) {
+            // Replace .otp.decrypted with original extension or no extension  
+            char* ext_pos = strstr(default_output, ".otp.decrypted");
+            *ext_pos = '\0';
+        }
+        
         char output_file[512];
-        if (!fgets(output_file, sizeof(output_file), stdin)) {
+        if (get_filename_with_default("Output filename:", default_output, output_file, sizeof(output_file)) != 0) {
             printf("Error: Failed to read input\n");
             return 1;
         }
-        output_file[strcspn(output_file, "\n")] = 0;
         
-        const char* output_filename = (strlen(output_file) > 0) ? output_file : NULL;
+        const char* output_filename = output_file;
         
         return encrypt_file(pad_input, input_file, output_filename, ascii_armor);
     }
@@ -2447,7 +2459,7 @@ int get_filename_with_default(const char* prompt, const char* default_path, char
             }
         } else if (c >= 32 && c <= 126) {
             // Printable character
-            if (buffer_len < sizeof(edit_buffer) - 1) {
+            if (buffer_len < (int)sizeof(edit_buffer) - 1) {
                 // Move everything after cursor one position right
                 memmove(&edit_buffer[cursor_pos + 1], &edit_buffer[cursor_pos], buffer_len - cursor_pos + 1);
                 edit_buffer[cursor_pos] = c;

test_file.txt.otp.asc

@@ -0,0 +1,7 @@
+-----BEGIN OTP MESSAGE-----
+Version: v0.2.29
+Pad-ChkSum: d0d4a489354348b08d8c7b324814d8c50010042e9da47f2c973f32a16a09101b
+Pad-Offset: 57
+
+05S8GfS0tFfczNMUz0xrieFGoPSREM4uo5QhFGoBCcOzjfTXTDMt3hRtAQ==
+-----END OTP MESSAGE-----

test_input.txt

@@ -0,0 +1 @@
+This is a test file for encryption.