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Fixed some minor error code differences

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- Write on read-only file to return LFS_ERR_BADF
- Renaming directory onto file to return LFS_ERR_NOTEMPTY
- Changed LFS_ERR_INVAL in lfs_file_seek to assert
This commit is contained in:
Christopher Haster
2018-02-04 14:36:36 -06:00
parent 6716b5580a
commit a25743a82a
3 changed files with 8 additions and 11 deletions
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16
lfs.c
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@@ -1463,11 +1463,7 @@ int lfs_file_sync(lfs_t *lfs, lfs_file_t *file) {
return err;
}
if (entry.d.type != LFS_TYPE_REG) {
// sanity check valid entry
return LFS_ERR_INVAL;
}
assert(entry.d.type == LFS_TYPE_REG);
entry.d.u.file.head = file->head;
entry.d.u.file.size = file->size;
@@ -1488,7 +1484,7 @@ lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file,
lfs_size_t nsize = size;
if ((file->flags & 3) == LFS_O_WRONLY) {
return LFS_ERR_INVAL;
return LFS_ERR_BADF;
}
if (file->flags & LFS_F_WRITING) {
@@ -1544,7 +1540,7 @@ lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file,
lfs_size_t nsize = size;
if ((file->flags & 3) == LFS_O_RDONLY) {
return LFS_ERR_INVAL;
return LFS_ERR_BADF;
}
if (file->flags & LFS_F_READING) {
@@ -1667,7 +1663,7 @@ lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file,
int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) {
if ((file->flags & 3) == LFS_O_RDONLY) {
return LFS_ERR_INVAL;
return LFS_ERR_BADF;
}
lfs_off_t oldsize = lfs_file_size(lfs, file);
@@ -1879,7 +1875,7 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
// must have same type
if (prevexists && preventry.d.type != oldentry.d.type) {
return LFS_ERR_INVAL;
return LFS_ERR_ISDIR;
}
lfs_dir_t dir;
@@ -1891,7 +1887,7 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
if (err) {
return err;
} else if (dir.d.size != sizeof(dir.d)+4) {
return LFS_ERR_INVAL;
return LFS_ERR_NOTEMPTY;
}
}