Add missing files

THANKS

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+TestDisk & PhotoRec are mainly written by Christophe GRENIER.
+Many people further contributed to TestDisk, directly or indirectly, by
+reporting problems, helping with the documentation, suggesting various
+improvements, sending me gifts using my Amazon whish-list...
+
+Thanks to the thousands of people who have provided support for the project!

src/exfat.c

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+/*
+
+    File: exfat.c
+
+    Copyright (C) 2009 Christophe GRENIER <grenier@cgsecurity.org>
+  
+    This software is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+  
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+  
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write the Free Software Foundation, Inc., 51
+    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+ 
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#include <stdio.h>
+#include "types.h"
+#include "common.h"
+#include "exfat.h"
+static int test_EXFAT(const struct exfat_super_block *exfat_header, partition_t *partition);
+#define EXFAT_SIZE	512
+
+static int set_EXFAT_info(partition_t *partition)
+{
+  partition->fsname[0]='\0';
+  strncpy(partition->info,"EXFAT",sizeof(partition->info));
+  return 0;
+}
+
+int check_EXFAT(disk_t *disk_car, partition_t *partition)
+{
+  unsigned char *buffer=(unsigned char*)MALLOC(EXFAT_SIZE);
+  if(disk_car->pread(disk_car, buffer, EXFAT_SIZE, partition->part_offset) != EXFAT_SIZE)
+  {
+    free(buffer);
+    return 1;
+  }
+  if(test_EXFAT((struct exfat_super_block*)buffer, partition)!=0)
+  {
+    free(buffer);
+    return 1;
+  }
+  set_EXFAT_info(partition);
+  free(buffer);
+  return 0;
+}
+
+static int test_EXFAT(const struct exfat_super_block *exfat_header, partition_t *partition)
+{
+  if(le16(exfat_header->signature)!=0xAA55)
+    return 1;
+  if(memcmp(exfat_header->oem_id, "EXFAT   ", sizeof(exfat_header->oem_id))!=0)
+    return 1;
+  partition->upart_type=UP_EXFAT;
+  return 0;
+}
+
+int recover_EXFAT(const disk_t *disk, const struct exfat_super_block *exfat_header, partition_t *partition)
+{
+  if(test_EXFAT(exfat_header, partition)!=0)
+    return 1;
+  set_EXFAT_info(partition);
+  partition->part_type_i386=P_EXFAT;
+  partition->part_type_gpt=GPT_ENT_TYPE_MS_BASIC_DATA;
+  partition->part_size=(uint64_t)le64(exfat_header->nr_sectors) * disk->sector_size;
+  return 0;
+}

src/exfat.h

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+/*
+
+    file: swap.h
+
+    Copyright (C) 2009 Christophe GRENIER <grenier@cgsecurity.org>
+  
+    this software is free software; you can redistribute it and/or modify
+    it under the terms of the gnu general public license as published by
+    the free software foundation; either version 2 of the license, or
+    (at your option) any later version.
+  
+    this program is distributed in the hope that it will be useful,
+    but without any warranty; without even the implied warranty of
+    merchantability or fitness for a particular purpose.  see the
+    gnu general public license for more details.
+  
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write the Free Software Foundation, Inc., 51
+    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct exfat_super_block {
+        unsigned char   jmp_boot[3];            /* boot strap short or near jump */
+        unsigned char   oem_id[8];              /* oem-id */
+        unsigned char   unused0;                /* 0x00... */
+        uint32_t  	unused1[13];
+	uint64_t  	start_sector;           /* 0x40 start sector of partition */
+	uint64_t  	nr_sectors;             /* number of sectors of partition */
+	uint32_t  	fat_blocknr;            /* 0x50 start blocknr of FAT */
+	uint32_t  	fat_block_counts;       /* number of FAT blocks */
+	uint32_t  	clus_blocknr;           /* start blocknr of cluster */
+	uint32_t  	total_clusters;         /* number of total clusters */
+	uint32_t  	rootdir_clusnr;         /* 0x60 start clusnr of rootdir */
+	uint32_t  	serial_number;          /* volume serial number */
+	unsigned char   xxxx01;                 /* ??? (0x00 or any value (?)) */
+	unsigned char   xxxx02;                 /* ??? (0x01 or 0x00 (?)) */
+	uint16_t  	state;                  /* state of this volume */
+	unsigned char   blocksize_bits;         /* bits of block size */
+	unsigned char   block_per_clus_bits;    /* bits of blocks per cluster */
+	unsigned char   xxxx03;                 /* ??? (0x01 or 0x00 (?)) */
+	unsigned char   xxxx04;                 /* ??? (0x80 or any value (?)) */
+	unsigned char   allocated_percent;      /* 0x70 percentage of allocated space (?) */
+	unsigned char   xxxx05[397];            /* ??? (0x00...) */
+	uint16_t  	signature;              /* 0xaa55 */
+} __attribute__ ((__packed__));
+
+int check_EXFAT(disk_t *disk_car, partition_t *partition);
+int recover_EXFAT(const disk_t *disk, const struct exfat_super_block *exfat_header, partition_t *partition);
+
+#ifdef __cplusplus
+} /* closing brace for extern "C" */
+#endif