Reading only page size of nand in fread

nand-image-builder.c

@@ -16,6 +16,9 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA
+ *
+ * This code is referenced from https://github.com/ak-hard/brcm-nand-bch/.
+ *
  */
 
 // BCH 4 algorithm is used for ECC level. In schematic bootstrap sets to 4 bit ECC level for NAND.
@@ -87,7 +90,7 @@ static void clear_pagebuffer()
     /* Clears the buffers before programming the Page. */
     for (index = 0; index < ((SECTOR_SZ + OOB_SZ) * SECTORS_PER_PAGE); index++)
     {
-        page_buffer[index] = 0x0;
+        page_buffer[index] = 0xFF;
     }
 }
 
@@ -231,11 +234,11 @@ int main(int argc, char **argv)
         goto exit;
     }
 
-    if ((st.st_size % block_size) != 0)
+   /* if ((st.st_size % block_size) != 0)
     {
         printf("File size not multiple of block size\n");
         goto exit;
-    }
+    } */
 
     blocks_app = st.st_size / block_size; //calculate total blocks needed for application.
     pages_in_block = block_size / page_size;
@@ -294,12 +297,14 @@ int main(int argc, char **argv)
     printf("OOB_ECC_LEN %d\n", oob_ecc_len);
     printf("OOB_ECC_OFS %d\n", oob_ecc_ofs);
 
-    while (!feof(in_file))
+    
+   while (!feof(in_file))
+ 
     {
 
         clear_pagebuffer();
 
-        numBytesRead = fread(page_buffer, (size_t)1, (sector_sz + oob_sz) * SECTORS_PER_PAGE, in_file);
+        numBytesRead = fread(page_buffer, (size_t)1, (sector_sz ) * SECTORS_PER_PAGE, in_file);
         totalBytesRead += numBytesRead;
 
         /* printf("\r\nRead %d bytes [%d%%] from file...\r\n",
@@ -312,6 +317,8 @@ int main(int argc, char **argv)
             goto exit;
         }
 
+	if (numBytesRead != (sector_sz ) * SECTORS_PER_PAGE) break; // skip if byte is less than bytes read from fread api.
+
         memset(cmp_buffer, 0, sector_sz * SECTORS_PER_PAGE);
 
         memcpy(cmp_buffer, page_buffer, (sector_sz)*SECTORS_PER_PAGE);