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Merge remote-tracking branch 'origin/master' into v2-rebase-part2

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This commit is contained in:
Christopher Haster
2018-10-20 21:02:25 -05:00
parent 795dd8c7ab ec4d8b68ad
commit c8a39c4b23
10 changed files with 370 additions and 241 deletions
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19
lfs.h
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@@ -66,6 +66,15 @@ typedef uint32_t lfs_block_t;
#define LFS_ATTR_MAX 0x1ffe
#endif
// Maximum size of a file in bytes, may be redefined to limit to support other
// drivers. Limited on disk to <= 4294967296. However, above 2147483647 the
// functions lfs_file_seek, lfs_file_size, and lfs_file_tell will return
// incorrect values due to signed sizes. Stored in superblock and must be
// respected by other littlefs drivers.
#ifndef LFS_FILE_MAX
#define LFS_FILE_MAX 2147483647
#endif
// Possible error codes, these are negative to allow
// valid positive return values
enum lfs_error {
@@ -78,6 +87,7 @@ enum lfs_error {
LFS_ERR_ISDIR = -21, // Entry is a dir
LFS_ERR_NOTEMPTY = -39, // Dir is not empty
LFS_ERR_BADF = -9, // Bad file number
LFS_ERR_FBIG = -27, // File too large
LFS_ERR_INVAL = -22, // Invalid parameter
LFS_ERR_NOSPC = -28, // No space left on device
LFS_ERR_NOMEM = -12, // No more memory available
@@ -233,6 +243,11 @@ struct lfs_config {
// LFS_ATTR_MAX when zero. Stored in superblock and must be respected by
// other littlefs drivers.
lfs_size_t attr_max;
// Optional upper limit on files in bytes. No downside for larger files
// but must be <= LFS_FILE_MAX. Defaults to LFS_FILE_MAX when zero. Stored
// in superblock and must be respected by other littlefs drivers.
lfs_size_t file_max;
};
// File info structure
@@ -346,6 +361,7 @@ typedef struct lfs_superblock {
lfs_size_t name_max;
lfs_size_t inline_max;
lfs_size_t attr_max;
lfs_size_t file_max;
} lfs_superblock_t;
// The littlefs filesystem type
@@ -378,11 +394,10 @@ typedef struct lfs {
} free;
const struct lfs_config *cfg;
lfs_size_t block_size;
lfs_size_t block_count;
lfs_size_t name_max;
lfs_size_t inline_max;
lfs_size_t attr_max;
lfs_size_t file_max;
} lfs_t;