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Merge pull request #805 from littlefs-project/fix-dir-seek-end

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Fix issue where seeking to end-of-directory return LFS_ERR_INVAL
This commit is contained in:
Christopher Haster
2023-04-26 14:32:14 -05:00
committed by GitHub
parent 23a4a089b5 b6773e68bf
commit dd03c27476
2 changed files with 104 additions and 13 deletions
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lfs.c
+5 -5
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@@ -2712,11 +2712,6 @@ static int lfs_dir_rawseek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off) {
dir->id = (off > 0 && lfs_pair_cmp(dir->head, lfs->root) == 0);
while (off > 0) {
int diff = lfs_min(dir->m.count - dir->id, off);
dir->id += diff;
dir->pos += diff;
off -= diff;
if (dir->id == dir->m.count) {
if (!dir->m.split) {
return LFS_ERR_INVAL;
@@ -2729,6 +2724,11 @@ static int lfs_dir_rawseek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off) {
dir->id = 0;
}
int diff = lfs_min(dir->m.count - dir->id, off);
dir->id += diff;
dir->pos += diff;
off -= diff;
}
return 0;