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WIP Adopted ISDIR as internal error for root as argument

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This commit is contained in:
Christopher Haster
2018-05-29 01:21:55 -05:00
parent 2223bef125
commit e9bf206c54
1 changed files with 36 additions and 37 deletions
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73
lfs.c
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@@ -1290,13 +1290,6 @@ static int lfs_dir_getentry(lfs_t *lfs, lfs_mdir_t *dir,
static int lfs_dir_getinfo(lfs_t *lfs, lfs_mdir_t *dir,
int16_t id, struct lfs_info *info) {
if (id < 0) {
// special case for root
strcpy(info->name, "/");
info->type = LFS_TYPE_DIR;
return 0;
}
if (id == dir->moveid) {
int moved = lfs_moved(lfs, dir, dir->moveid);
if (moved < 0) {
@@ -1366,7 +1359,7 @@ static int lfs_dir_finder(lfs_t *lfs, void *p, lfs_mattr_t attr) {
// TODO drop others, make this only return id, also make get take in only entry to populate (with embedded tag)
static int lfs_dir_find(lfs_t *lfs, lfs_mdir_t *dir,
const char **path, int16_t *id) {
const char **path, uint16_t *id) {
lfs_mattr_t attr = {
.u.pair[0] = lfs->root[0],
.u.pair[1] = lfs->root[1],
@@ -1384,9 +1377,8 @@ static int lfs_dir_find(lfs_t *lfs, lfs_mdir_t *dir,
// special case for root dir
if (find.name[0] == '\0') {
// TODO set up root?
*id = -1;
return 0;
// Return ISDIR when we hit root
return LFS_ERR_ISDIR;
}
// skip '.' and root '..'
@@ -1492,9 +1484,9 @@ int lfs_mkdir(lfs_t *lfs, const char *path) {
}
lfs_mdir_t cwd;
int err = lfs_dir_find(lfs, &cwd, &path, &(int16_t){0});
int err = lfs_dir_find(lfs, &cwd, &path, &(uint16_t){0});
if (err != LFS_ERR_NOENT || strchr(path, '/') != NULL) {
if (!err) {
if (!err || err == LFS_ERR_ISDIR) {
return LFS_ERR_EXIST;
}
return err;
@@ -1543,14 +1535,14 @@ int lfs_mkdir(lfs_t *lfs, const char *path) {
}
int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path) {
int16_t id;
uint16_t id;
int err = lfs_dir_find(lfs, &dir->m, &path, &id);
if (err) {
if (err && err != LFS_ERR_ISDIR) {
return err;
}
lfs_mattr_t attr;
if (id < 0) {
if (err == LFS_ERR_ISDIR) {
// handle root dir separately
attr.u.pair[0] = lfs->root[0];
attr.u.pair[1] = lfs->root[1];
@@ -1895,7 +1887,7 @@ int lfs_file_open(lfs_t *lfs, lfs_file_t *file,
// allocate entry for file if it doesn't exist
lfs_mdir_t cwd;
int16_t id;
uint16_t id;
int err = lfs_dir_find(lfs, &cwd, &path, &id);
if (err && (err != LFS_ERR_NOENT || strchr(path, '/') != NULL)) {
return err;
@@ -2573,12 +2565,19 @@ lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file) {
/// General fs operations ///
int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info) {
lfs_mdir_t cwd;
int16_t id;
uint16_t id;
int err = lfs_dir_find(lfs, &cwd, &path, &id);
if (err) {
if (err && err != LFS_ERR_ISDIR) {
return err;
}
if (err == LFS_ERR_ISDIR) {
// special case for root
strcpy(info->name, "/");
info->type = LFS_TYPE_DIR;
return 0;
}
return lfs_dir_getinfo(lfs, &cwd, id, info);
}
@@ -2597,7 +2596,7 @@ int lfs_remove(lfs_t *lfs, const char *path) {
return err;
}
int16_t id;
uint16_t id;
err = lfs_dir_find(lfs, &cwd, &path, &id);
if (err) {
return err;
@@ -2669,7 +2668,7 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
// find old entry
lfs_mdir_t oldcwd;
int16_t oldid;
uint16_t oldid;
int err = lfs_dir_find(lfs, &oldcwd, &oldpath, &oldid);
if (err) {
return err;
@@ -2685,7 +2684,7 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
// find new entry
lfs_mdir_t newcwd;
int16_t newid;
uint16_t newid;
err = lfs_dir_find(lfs, &newcwd, &newpath, &newid);
if (err && err != LFS_ERR_NOENT) {
return err;
@@ -3746,18 +3745,18 @@ int lfs_deorphan(lfs_t *lfs) {
// return lfs_dir_setattrs(lfs, &dir, &entry, attrs, count);
//}
static int lfs_fs_size_count(void *p, lfs_block_t block) {
lfs_size_t *size = p;
*size += 1;
return 0;
}
lfs_ssize_t lfs_fs_size(lfs_t *lfs) {
lfs_size_t size = 0;
int err = lfs_fs_traverse(lfs, lfs_fs_size_count, &size);
if (err) {
return err;
}
return size;
}
//static int lfs_fs_size_count(void *p, lfs_block_t block) {
// lfs_size_t *size = p;
// *size += 1;
// return 0;
//}
//
//lfs_ssize_t lfs_fs_size(lfs_t *lfs) {
// lfs_size_t size = 0;
// int err = lfs_fs_traverse(lfs, lfs_fs_size_count, &size);
// if (err) {
// return err;
// }
//
// return size;
//}