C6 adidas done

C/C5 and C6 Adidas/product/channel_main.c

@@ -1,46 +1,31 @@
 #include "channel.h"
 #include <stdio.h>
-#include <stdbool.h>
+#include <stdint.h>
 
 int channel_main(int argc, char* argv[])
 {
-    bool running = true;
     FILE *input_file = fopen(argv[2], "rb");
-    if (input_file == NULL) {
+    if (!input_file) {
         fprintf(stderr, "Error opening input file: %s\n", argv[2]);
         return 1;
     }
     FILE *output_file = fopen(argv[3], "wb");
-    if (output_file == NULL) {
+    if (!output_file) {
         fprintf(stderr, "Error opening output file: %s\n", argv[3]);
         fclose(input_file);
         return 1;
     }
 
-    while (running){
-        // Read data 
-        unsigned char buffer[1024];
-        size_t bytes_read = fread(buffer, 1, sizeof(buffer), input_file);
-
-        if (bytes_read == 0) {
-            if (feof(input_file)) {
-                running = false; // eof reached
-            } else {
-                fprintf(stderr, "Error reading from input file\n");
-                fclose(input_file);
-                fclose(output_file);
-                return 1;
-            }
+    uint8_t buffer[1024], processed[1024];
+    size_t bytes_read;
+    while ((bytes_read = fread(buffer, 1, sizeof(buffer), input_file)) > 0) {
+        for (size_t i = 0; i < bytes_read; i++) {
+            processed[i] = channel_change_one_random_bit(buffer[i]);
         }
-
-        // Channel data
-        unsigned char processed_data[1024];
-        size_t processed_size = process_channel(buffer, bytes_read, processed_data);
-
-        // Write data
-        fwrite(processed_data, 1, processed_size, output_file);
+        fwrite(processed, 1, bytes_read, output_file);
     }
     fclose(input_file);
     fclose(output_file);
+    printf("Channel completed successfully.\n");
     return 0;
 }