mirror of
https://github.com/eledio-devices/thirdparty-littlefs.git
synced 2025-11-01 08:48:31 +01:00
WIP cleaned up TODOs
This commit is contained in:
14
lfs.c
14
lfs.c
@@ -722,7 +722,6 @@ relocate:
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return 0;
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return 0;
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}
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}
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// TODO zeros?
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static int lfs_dir_get(lfs_t *lfs, const lfs_dir_t *dir,
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static int lfs_dir_get(lfs_t *lfs, const lfs_dir_t *dir,
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lfs_off_t off, void *buffer, lfs_size_t size) {
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lfs_off_t off, void *buffer, lfs_size_t size) {
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return lfs_bd_read(lfs, dir->pair[0], off, buffer, size);
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return lfs_bd_read(lfs, dir->pair[0], off, buffer, size);
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@@ -1180,8 +1179,6 @@ int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info) {
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break;
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break;
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}
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}
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// TODO common info constructor?
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// TODO also used in lfs_stat
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info->type = 0xf & entry.d.type;
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info->type = 0xf & entry.d.type;
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if (entry.d.type == (LFS_STRUCT_CTZ | LFS_TYPE_REG)) {
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if (entry.d.type == (LFS_STRUCT_CTZ | LFS_TYPE_REG)) {
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info->size = entry.d.u.file.size;
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info->size = entry.d.u.file.size;
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@@ -1707,7 +1704,6 @@ int lfs_file_sync(lfs_t *lfs, lfs_file_t *file) {
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return err;
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return err;
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}
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}
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// TODO entry read function?
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lfs_entry_t entry = {.off = file->poff};
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lfs_entry_t entry = {.off = file->poff};
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err = lfs_dir_get(lfs, &cwd, entry.off, &entry.d, sizeof(entry.d));
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err = lfs_dir_get(lfs, &cwd, entry.off, &entry.d, sizeof(entry.d));
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lfs_entry_fromle32(&entry.d);
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lfs_entry_fromle32(&entry.d);
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@@ -1778,7 +1774,6 @@ lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file,
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nsize = size;
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nsize = size;
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while (nsize > 0) {
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while (nsize > 0) {
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// TODO can this be collapsed?
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// check if we need a new block
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// check if we need a new block
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if (!(file->flags & LFS_F_READING) ||
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if (!(file->flags & LFS_F_READING) ||
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file->off == lfs->cfg->block_size) {
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file->off == lfs->cfg->block_size) {
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@@ -1848,12 +1843,9 @@ lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file,
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}
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}
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}
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}
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// TODO combine with block allocation?
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// TODO need to move out if no longer fits in block also
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// TODO store INLINE_MAX in superblock?
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// TODO what if inline files is > block size (ie 128)
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if ((file->flags & LFS_F_INLINE) &&
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if ((file->flags & LFS_F_INLINE) &&
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file->pos + nsize >= file->inline_size) {
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file->pos + nsize >= file->inline_size) {
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// inline file doesn't fit anymore
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file->block = 0xfffffffe;
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file->block = 0xfffffffe;
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file->off = file->pos;
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file->off = file->pos;
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@@ -1869,9 +1861,6 @@ lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file,
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}
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}
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while (nsize > 0) {
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while (nsize > 0) {
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// TODO can this be collapsed?
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// TODO can we reduce this now that block 0 is never allocated?
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// TODO actually, how does this behave if inline max == 0?
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// check if we need a new block
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// check if we need a new block
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if (!(file->flags & LFS_F_WRITING) ||
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if (!(file->flags & LFS_F_WRITING) ||
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file->off == lfs->cfg->block_size) {
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file->off == lfs->cfg->block_size) {
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@@ -1969,7 +1958,6 @@ lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file,
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return file->pos;
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return file->pos;
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}
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}
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// TODO handle inlining?
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int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) {
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int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) {
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if ((file->flags & 3) == LFS_O_RDONLY) {
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if ((file->flags & 3) == LFS_O_RDONLY) {
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return LFS_ERR_BADF;
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return LFS_ERR_BADF;
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