finished copyf

struct/lib_fs.c

@@ -2,6 +2,11 @@
 #include <stdlib.h>
 #include "lib_fs.h"
 
+// int copy(char *src, char *dst, unsigned int buf_size)
+// {
+
+// }
+
 int copyf(char *src, char *dst, unsigned int buf_size)
 {
     FILE *fp_src = fopen(src, "r");
@@ -23,12 +28,12 @@ int copyf(char *src, char *dst, unsigned int buf_size)
 
     while (!feof(fp_src))
     {
-        fread(str, sizeof(char), buf_size, fp_src);
-        byte_count += buf_size;
+        size_t real_size = fread(str, sizeof(char), buf_size, fp_src);
+        fprintf(stdout, "Real number of bytes copied : %zu\n", real_size);
+        fwrite(str, sizeof(char), real_size, fp_dst);
+        byte_count += real_size;
     }
 
-    fwrite(str, sizeof(char), buf_size, fp_dst);
-
     fclose(fp_src);
     fclose(fp_dst);
 

test_lib.c

@@ -15,7 +15,7 @@ int main(int argc, char **argv)
     char *src = "./src.txt";
     char *dst = "./dst.txt";
 
-    fprintf(stdout, "Number of bytes copied: %d\n", copyf(src, dst, atoi(argv[1])));
+    fprintf(stdout, "\nNumber of bytes copied: %d\n", copyf(src, dst, atoi(argv[1])));
 
     return EXIT_SUCCESS;
 }