Changeset 66689 in vbox for trunk/include/iprt/formats

Timestamp:

Apr 27, 2017 2:39:50 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

115082

Message:

fatvfs: Added code for formatting a FAT volume.

File:

• trunk/include/iprt/formats/fat.h (modified) (2 diffs)

trunk/include/iprt/formats/fat.h

@@ -53 +53 @@
 #define FAT_ID_IS_VALID(a_bFatId) (   (uint8_t)(a_bFatId) >= 0xf8 \
                                    || (uint8_t)(a_bFatId) == 0xf0 \
-                                   || (uint8_t)(a_bMedia) == 0xf4 /* obscure - msdos 2.11 */ \
-                                   || (uint8_t)(a_bMedia) == 0xf5 /* obscure - msdos 2.11 */ \
+                                   || (uint8_t)(a_bFatId) == 0xf4 /* obscure - msdos 2.11 */ \
+                                   || (uint8_t)(a_bFatId) == 0xf5 /* obscure - msdos 2.11 */ \
                                    || (uint8_t)(a_bFatId) == 0xed /* obscure, tandy 2000 */ \
                                    || (uint8_t)(a_bFatId) == 0xe5 /* obscure, tandy 2000 */ )
@@ -503 +503 @@
  * @{ */
 #define FAT_FIRST_DATA_CLUSTER          2                       /**< The first data cluster. */
+
+#define FAT_MAX_FAT12_TOTAL_CLUSTERS    UINT32_C(0x00000ff6)    /**< Maximum number of clusters in a 12-bit FAT . */
+#define FAT_MAX_FAT16_TOTAL_CLUSTERS    UINT32_C(0x0000fff6)    /**< Maximum number of clusters in a 16-bit FAT . */
+#define FAT_MAX_FAT32_TOTAL_CLUSTERS    UINT32_C(0x0ffffff6)    /**< Maximum number of clusters in a 32-bit FAT . */
+
 #define FAT_LAST_FAT12_DATA_CLUSTER     UINT32_C(0x00000ff5)    /**< The last possible data cluster for FAT12. */
 #define FAT_LAST_FAT16_DATA_CLUSTER     UINT32_C(0x0000fff5)    /**< The last possible data cluster for FAT16. */
 #define FAT_LAST_FAT32_DATA_CLUSTER     UINT32_C(0x0ffffff5)    /**< The last possible data cluster for FAT32. */
+
+#define FAT_MAX_FAT12_DATA_CLUSTERS     UINT32_C(0x00000ff4)    /**< Maximum number of data clusters for FAT12. */
+#define FAT_MAX_FAT16_DATA_CLUSTERS     UINT32_C(0x0000fff4)    /**< Maximum number of data clusters for FAT16. */
+#define FAT_MAX_FAT32_DATA_CLUSTERS     UINT32_C(0x0ffffff4)    /**< Maximum number of data clusters for FAT32. */
+
+#define FAT_MIN_FAT12_DATA_CLUSTERS     UINT32_C(0x00000001)    /**< Maximum number of data clusters for FAT12. */
+#define FAT_MIN_FAT16_DATA_CLUSTERS     UINT32_C(0x00000ff5)    /**< Maximum number of data clusters for FAT16. */
+#define FAT_MIN_FAT32_DATA_CLUSTERS     UINT32_C(0x0000fff5)    /**< Maximum number of data clusters for FAT32. */
 
 #define FAT_FIRST_FAT12_EOC             UINT32_C(0x00000ff8)    /**< The first end-of-file-cluster number for FAT12. */