Update the Homepage field in d/control.

[sven/exfat-utils.git] / libexfat / exfatfs.h

diff --git a/libexfat/exfatfs.h b/libexfat/exfatfs.h
index e7d7ee5c2308bcdca74b0cbbd1907ee09be84e4e..eca2cacea15613b11a53b623691f2decccee091e 100644 (file)
--- a/libexfat/exfatfs.h
+++ b/libexfat/exfatfs.h
@@ -2,11 +2,12 @@
        exfatfs.h (29.08.09)
        Definitions of structures and constants used in exFAT file system.
 
-       Copyright (C) 2009, 2010  Andrew Nayenko
+       Free exFAT implementation.
+       Copyright (C) 2010-2015  Andrew Nayenko
 
-       This program is free software: you can redistribute it and/or modify
+       This program 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 3 of the License, or
+       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,
@@ -14,23 +15,28 @@
        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, see <http://www.gnu.org/licenses/>.
+       You should have received a copy of the GNU General Public License along
+       with this program; if not, write to the Free Software Foundation, Inc.,
+       51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #ifndef EXFATFS_H_INCLUDED
 #define EXFATFS_H_INCLUDED
 
 #include "byteorder.h"
+#include "compiler.h"
 
 typedef uint32_t cluster_t;            /* cluster number */
 
 #define EXFAT_FIRST_DATA_CLUSTER 2
+#define EXFAT_LAST_DATA_CLUSTER 0xfffffff6
 
 #define EXFAT_CLUSTER_FREE         0 /* free cluster */
 #define EXFAT_CLUSTER_BAD 0xfffffff7 /* cluster contains bad sector */
 #define EXFAT_CLUSTER_END 0xffffffff /* final cluster of file or directory */
 
+#define EXFAT_STATE_MOUNTED 2
+
 struct exfat_super_block
 {
        uint8_t jump[3];                                /* 0x00 jmp and nop instructions */
@@ -59,12 +65,13 @@ struct exfat_super_block
        uint8_t __unused2[397];                 /* 0x71 always 0 */
        le16_t boot_signature;                  /* the value of 0xAA55 */
 }
-__attribute__((__packed__));
+PACKED;
+STATIC_ASSERT(sizeof(struct exfat_super_block) == 512);
 
 #define EXFAT_ENTRY_VALID     0x80
 #define EXFAT_ENTRY_CONTINUED 0x40
+#define EXFAT_ENTRY_OPTIONAL  0x20
 
-#define EXFAT_ENTRY_EOD       (0x00)
 #define EXFAT_ENTRY_BITMAP    (0x01 | EXFAT_ENTRY_VALID)
 #define EXFAT_ENTRY_UPCASE    (0x02 | EXFAT_ENTRY_VALID)
 #define EXFAT_ENTRY_LABEL     (0x03 | EXFAT_ENTRY_VALID)
@@ -77,7 +84,8 @@ struct exfat_entry                                    /* common container for all entries */
        uint8_t type;                                   /* any of EXFAT_ENTRY_xxx */
        uint8_t data[31];
 }
-__attribute__((__packed__));
+PACKED;
+STATIC_ASSERT(sizeof(struct exfat_entry) == 32);
 
 #define EXFAT_ENAME_MAX 15
 
@@ -88,7 +96,8 @@ struct exfat_entry_bitmap                     /* allocated clusters bitmap */
        le32_t start_cluster;
        le64_t size;                                    /* in bytes */
 }
-__attribute__((__packed__));
+PACKED;
+STATIC_ASSERT(sizeof(struct exfat_entry_bitmap) == 32);
 
 struct exfat_entry_upcase                      /* upper case translation table */
 {
@@ -99,7 +108,8 @@ struct exfat_entry_upcase                    /* upper case translation table */
        le32_t start_cluster;
        le64_t size;                                    /* in bytes */
 }
-__attribute__((__packed__));
+PACKED;
+STATIC_ASSERT(sizeof(struct exfat_entry_upcase) == 32);
 
 struct exfat_entry_label                       /* volume label */
 {
@@ -107,7 +117,8 @@ struct exfat_entry_label                    /* volume label */
        uint8_t length;                                 /* number of characters */
        le16_t name[EXFAT_ENAME_MAX];   /* in UTF-16LE */
 }
-__attribute__((__packed__));
+PACKED;
+STATIC_ASSERT(sizeof(struct exfat_entry_label) == 32);
 
 #define EXFAT_ATTRIB_RO     0x01
 #define EXFAT_ATTRIB_HIDDEN 0x02
@@ -130,7 +141,8 @@ struct exfat_entry_meta1                    /* file or directory info (part 1) */
        uint8_t mtime_cs;                               /* latest modification time in cs */
        uint8_t __unknown2[10];
 }
-__attribute__((__packed__));
+PACKED;
+STATIC_ASSERT(sizeof(struct exfat_entry_meta1) == 32);
 
 #define EXFAT_FLAG_ALWAYS1             (1u << 0)
 #define EXFAT_FLAG_CONTIGUOUS  (1u << 1)
@@ -143,12 +155,13 @@ struct exfat_entry_meta2                  /* file or directory info (part 2) */
        uint8_t name_length;
        le16_t name_hash;
        le16_t __unknown2;
-       le64_t real_size;                               /* in bytes, equals to size */
+       le64_t valid_size;                              /* in bytes, less or equal to size */
        uint8_t __unknown3[4];
        le32_t start_cluster;
-       le64_t size;                                    /* in bytes, equals to real_size */
+       le64_t size;                                    /* in bytes */
 }
-__attribute__((__packed__));
+PACKED;
+STATIC_ASSERT(sizeof(struct exfat_entry_meta2) == 32);
 
 struct exfat_entry_name                                /* file or directory name */
 {
@@ -156,6 +169,7 @@ struct exfat_entry_name                             /* file or directory name */
        uint8_t __unknown;
        le16_t name[EXFAT_ENAME_MAX];   /* in UTF-16LE */
 }
-__attribute__((__packed__));
+PACKED;
+STATIC_ASSERT(sizeof(struct exfat_entry_name) == 32);
 
 #endif /* ifndef EXFATFS_H_INCLUDED */