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WIP Changed name of upper-limits from blah_size to blah_max

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This commit is contained in:
Christopher Haster
2018-08-04 20:10:08 -05:00
parent 7ffbe81bb2
commit 4f0d248e09
3 changed files with 56 additions and 58 deletions
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94
lfs.c
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@@ -1382,7 +1382,7 @@ static int lfs_dir_getinfo(lfs_t *lfs, lfs_mdir_t *dir,
}
int32_t tag = lfs_dir_get(lfs, dir, 0x7c3ff000,
LFS_MKTAG(LFS_TYPE_NAME, id, lfs->name_size+1), info->name);
LFS_MKTAG(LFS_TYPE_NAME, id, lfs->name_max+1), info->name);
if (tag < 0) {
return tag;
}
@@ -1422,7 +1422,7 @@ int lfs_mkdir(lfs_t *lfs, const char *path) {
// check that name fits
lfs_size_t nlen = strlen(path);
if (nlen > lfs->name_size) {
if (nlen > lfs->name_max) {
return LFS_ERR_NAMETOOLONG;
}
@@ -1842,7 +1842,7 @@ int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file,
// check that name fits
lfs_size_t nlen = strlen(path);
if (nlen > lfs->name_size) {
if (nlen > lfs->name_max) {
err = LFS_ERR_NAMETOOLONG;
goto cleanup;
}
@@ -1892,7 +1892,7 @@ int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file,
}
if ((file->flags & 3) != LFS_O_RDONLY) {
if (a->size > lfs->attr_size) {
if (a->size > lfs->attr_max) {
err = LFS_ERR_NOSPC;
goto cleanup;
}
@@ -2252,7 +2252,7 @@ lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file,
}
if ((file->flags & LFS_F_INLINE) &&
file->pos + nsize >= lfs->inline_size) {
file->pos + nsize >= lfs->inline_max) {
// inline file doesn't fit anymore
file->block = 0xfffffffe;
file->off = file->pos;
@@ -2586,7 +2586,7 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
} else {
// check that name fits
lfs_size_t nlen = strlen(newpath);
if (nlen > lfs->name_size) {
if (nlen > lfs->name_max) {
return LFS_ERR_NAMETOOLONG;
}
@@ -2650,7 +2650,7 @@ lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path,
res = lfs_dir_get(lfs, &cwd, 0x7ffff000,
LFS_MKTAG(0x100 | type, lfs_tagid(res),
lfs_min(size, lfs->attr_size)), buffer);
lfs_min(size, lfs->attr_max)), buffer);
if (res < 0 && res != LFS_ERR_NOENT) {
return res;
}
@@ -2660,7 +2660,7 @@ lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path,
int lfs_setattr(lfs_t *lfs, const char *path,
uint8_t type, const void *buffer, lfs_size_t size) {
if (size > lfs->attr_size) {
if (size > lfs->attr_max) {
return LFS_ERR_NOSPC;
}
@@ -2681,18 +2681,18 @@ static inline void lfs_superblockfromle32(lfs_superblock_t *superblock) {
superblock->version = lfs_fromle32(superblock->version);
superblock->block_size = lfs_fromle32(superblock->block_size);
superblock->block_count = lfs_fromle32(superblock->block_count);
superblock->inline_size = lfs_fromle32(superblock->inline_size);
superblock->attr_size = lfs_fromle32(superblock->attr_size);
superblock->name_size = lfs_fromle32(superblock->name_size);
superblock->inline_max = lfs_fromle32(superblock->inline_max);
superblock->attr_max = lfs_fromle32(superblock->attr_max);
superblock->name_max = lfs_fromle32(superblock->name_max);
}
static inline void lfs_superblocktole32(lfs_superblock_t *superblock) {
superblock->version = lfs_tole32(superblock->version);
superblock->block_size = lfs_tole32(superblock->block_size);
superblock->block_count = lfs_tole32(superblock->block_count);
superblock->inline_size = lfs_tole32(superblock->inline_size);
superblock->attr_size = lfs_tole32(superblock->attr_size);
superblock->name_size = lfs_tole32(superblock->name_size);
superblock->inline_max = lfs_tole32(superblock->inline_max);
superblock->attr_max = lfs_tole32(superblock->attr_max);
superblock->name_max = lfs_tole32(superblock->name_max);
}
static int lfs_init(lfs_t *lfs, const struct lfs_config *cfg) {
@@ -2743,23 +2743,23 @@ static int lfs_init(lfs_t *lfs, const struct lfs_config *cfg) {
}
// check that the size limits are sane
LFS_ASSERT(lfs->cfg->inline_size <= LFS_INLINE_MAX);
LFS_ASSERT(lfs->cfg->inline_size <= lfs->cfg->cache_size);
lfs->inline_size = lfs->cfg->inline_size;
if (!lfs->inline_size) {
lfs->inline_size = lfs_min(LFS_INLINE_MAX, lfs->cfg->cache_size);
LFS_ASSERT(lfs->cfg->inline_max <= LFS_INLINE_MAX);
LFS_ASSERT(lfs->cfg->inline_max <= lfs->cfg->cache_size);
lfs->inline_max = lfs->cfg->inline_max;
if (!lfs->inline_max) {
lfs->inline_max = lfs_min(LFS_INLINE_MAX, lfs->cfg->cache_size);
}
LFS_ASSERT(lfs->cfg->attr_size <= LFS_ATTR_MAX);
lfs->attr_size = lfs->cfg->attr_size;
if (!lfs->attr_size) {
lfs->attr_size = LFS_ATTR_MAX;
LFS_ASSERT(lfs->cfg->attr_max <= LFS_ATTR_MAX);
lfs->attr_max = lfs->cfg->attr_max;
if (!lfs->attr_max) {
lfs->attr_max = LFS_ATTR_MAX;
}
LFS_ASSERT(lfs->cfg->name_size <= LFS_NAME_MAX);
lfs->name_size = lfs->cfg->name_size;
if (!lfs->name_size) {
lfs->name_size = LFS_NAME_MAX;
LFS_ASSERT(lfs->cfg->name_max <= LFS_NAME_MAX);
lfs->name_max = lfs->cfg->name_max;
if (!lfs->name_max) {
lfs->name_max = LFS_NAME_MAX;
}
// setup default state
@@ -2836,9 +2836,9 @@ int lfs_format(lfs_t *lfs, const struct lfs_config *cfg) {
.block_size = lfs->cfg->block_size,
.block_count = lfs->cfg->block_count,
.attr_size = lfs->attr_size,
.name_size = lfs->name_size,
.inline_size = lfs->inline_size,
.attr_max = lfs->attr_max,
.name_max = lfs->name_max,
.inline_max = lfs->inline_max,
};
lfs_superblocktole32(&superblock);
@@ -2912,34 +2912,34 @@ int lfs_mount(lfs_t *lfs, const struct lfs_config *cfg) {
lfs_pairfromle32(lfs->root);
// check superblock configuration
if (superblock.attr_size) {
if (superblock.attr_size > lfs->attr_size) {
LFS_ERROR("Unsupported attr size (%d > %d)",
superblock.attr_size, lfs->attr_size);
if (superblock.attr_max) {
if (superblock.attr_max > lfs->attr_max) {
LFS_ERROR("Unsupported attr_max (%d > %d)",
superblock.attr_max, lfs->attr_max);
return LFS_ERR_INVAL;
}
lfs->attr_size = superblock.attr_size;
lfs->attr_max = superblock.attr_max;
}
if (superblock.name_size) {
if (superblock.name_size > lfs->name_size) {
LFS_ERROR("Unsupported name size (%d > %d)",
superblock.name_size, lfs->name_size);
if (superblock.name_max) {
if (superblock.name_max > lfs->name_max) {
LFS_ERROR("Unsupported name_max (%d > %d)",
superblock.name_max, lfs->name_max);
return LFS_ERR_INVAL;
}
lfs->name_size = superblock.name_size;
lfs->name_max = superblock.name_max;
}
if (superblock.inline_size) {
if (superblock.inline_size > lfs->inline_size) {
LFS_ERROR("Unsupported inline size (%d > %d)",
superblock.inline_size, lfs->inline_size);
if (superblock.inline_max) {
if (superblock.inline_max > lfs->inline_max) {
LFS_ERROR("Unsupported inline_max (%d > %d)",
superblock.inline_max, lfs->inline_max);
return LFS_ERR_INVAL;
}
lfs->inline_size = superblock.inline_size;
lfs->inline_max = superblock.inline_max;
}
// scan for any global updates
@@ -3265,7 +3265,7 @@ lfs_ssize_t lfs_fs_getattr(lfs_t *lfs,
int32_t res = lfs_dir_get(lfs, &superdir, 0x7ffff000,
LFS_MKTAG(0x100 | type, 0,
lfs_min(size, lfs->attr_size)), buffer);
lfs_min(size, lfs->attr_max)), buffer);
if (res < 0) {
return res;
}
@@ -3275,7 +3275,7 @@ lfs_ssize_t lfs_fs_getattr(lfs_t *lfs,
int lfs_fs_setattr(lfs_t *lfs,
uint8_t type, const void *buffer, lfs_size_t size) {
if (size > lfs->attr_size) {
if (size > lfs->attr_max) {
return LFS_ERR_NOSPC;
}

18
lfs.h
View File

@@ -217,20 +217,20 @@ struct lfs_config {
// attributes size but must be less than LFS_ATTR_MAX. Defaults to
// LFS_ATTR_MAX when zero.Stored in superblock and must be respected by
// other littlefs drivers.
lfs_size_t attr_size;
lfs_size_t attr_max;
// Optional upper limit on length of file names in bytes. No downside for
// larger names except the size of the info struct which is controlled by
// the LFS_NAME_MAX define. Defaults to LFS_NAME_MAX when zero. Stored in
// superblock and must be respected by other littlefs drivers.
lfs_size_t name_size;
lfs_size_t name_max;
// Optional upper limit on inlined files in bytes. Large inline files
// require a larger cache size, but if a file can be inlined it does not
// need its own data block. Must be smaller than cache_size and less than
// LFS_INLINE_MAX. Defaults to min(LFS_INLINE_MAX, read_size) when zero.
// Stored in superblock and must be respected by other littlefs drivers.
lfs_size_t inline_size;
lfs_size_t inline_max;
};
// File info structure
@@ -361,9 +361,9 @@ typedef struct lfs_superblock {
lfs_size_t block_size;
lfs_size_t block_count;
lfs_size_t attr_size;
lfs_size_t name_size;
lfs_size_t inline_size;
lfs_size_t attr_max;
lfs_size_t name_max;
lfs_size_t inline_max;
} lfs_superblock_t;
typedef struct lfs_free {
@@ -389,9 +389,9 @@ typedef struct lfs {
const struct lfs_config *cfg;
lfs_size_t block_size;
lfs_size_t block_count;
lfs_size_t attr_size;
lfs_size_t name_size;
lfs_size_t inline_size;
lfs_size_t attr_max;
lfs_size_t name_max;
lfs_size_t inline_max;
} lfs_t;

2
tests/template.fmt
View File

@@ -92,8 +92,6 @@ const struct lfs_config cfg = {{
.erase = &lfs_emubd_erase,
.sync = &lfs_emubd_sync,
.name_size = 255,
.read_size = LFS_READ_SIZE,
.prog_size = LFS_PROG_SIZE,
.cache_size = LFS_CACHE_SIZE,