diff options
Diffstat (limited to 'src/drivers/ao_fat.h')
| -rw-r--r-- | src/drivers/ao_fat.h | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/src/drivers/ao_fat.h b/src/drivers/ao_fat.h index 5b9b300f..cfe98a76 100644 --- a/src/drivers/ao_fat.h +++ b/src/drivers/ao_fat.h @@ -32,8 +32,8 @@ ao_fat_init(void); #define AO_FAT_DENT_EMPTY 0xe5 #define AO_FAT_DENT_END 0x00 -#define AO_FAT_IS_FILE(attr) (((attr) & (AO_FAT_FILE_VOLUME_LABEL|AO_FAT_FILE_DIRECTORY|AO_FAT_FILE_ARCHIVE)) == 0) -#define AO_FAT_IS_DIR(attr) (((attr) & (AO_FAT_FILE_DIRECTORY)) == AO_FAT_FILE_DIRECTORY) +#define AO_FAT_IS_FILE(attr) (((attr) & (AO_FAT_FILE_VOLUME_LABEL|AO_FAT_FILE_DIRECTORY)) == 0) +#define AO_FAT_IS_DIR(attr) (((attr) & (AO_FAT_FILE_DIRECTORY|AO_FAT_FILE_VOLUME_LABEL)) == AO_FAT_FILE_DIRECTORY) #define AO_FAT_SUCCESS 0 #define AO_FAT_EPERM 1 @@ -80,12 +80,37 @@ ao_fat_unlink(char name[11]); int8_t ao_fat_rename(char old[11], char new[11]); +/* + * Byte offset within a file. Supports files up to 2GB in size + */ +typedef int32_t ao_fat_offset_t; + +/* + * Cluster index in partition data space + */ +typedef uint32_t ao_fat_cluster_t; + +/* + * Sector offset within partition + */ +typedef uint32_t ao_fat_sector_t; + +/* + * Index within the root directory + */ +typedef uint16_t ao_fat_dirent_t; + +/* + * Offset within a cluster (or sector) + */ +typedef uint16_t ao_fat_cluster_offset_t; + struct ao_fat_dirent { - char name[11]; - uint8_t attr; - uint32_t size; - uint16_t cluster; - uint16_t entry; + char name[11]; + uint8_t attr; + uint32_t size; + ao_fat_cluster_t cluster; + uint16_t entry; }; int8_t |