int shfs_attr_unset(shfs_ino_t *file, int attr)
{
shfs_attr_t cur_attr;
shfs_attr_t new_attr;
int err_code;
int format;
if (!file || !attr)
return (SHERR_INVAL);
cur_attr = shfs_attr(file);
if (!(cur_attr & attr))
return (0); /* already unset */
new_attr = cur_attr;
new_attr &= ~attr;
err_code = SHERR_OPNOTSUPP;
switch (attr) {
case SHATTR_COMP:
err_code = 0;
format = SHINODE_DEFAULT_ATTR_FORMAT(new_attr);
if (format != shfs_format(file))
err_code = shfs_format_set(file, format);
break;
case SHATTR_SYNC:
err_code = 0;
break;
case SHATTR_TEMP:
err_code = 0;
break;
case SHATTR_VER:
err_code = shfs_rev_clear(file);
break;
case SHATTR_LINK:
/* unimplemented. */
err_code = SHERR_OPNOTSUPP;
/* this is now a local copy */
file->blk.hdr.attr &= ~SHATTR_SYNC;
break;
case SHATTR_READ:
case SHATTR_WRITE:
case SHATTR_EXE:
err_code = 0;
break;
case SHATTR_DB:
/* DEBUG: TODO: write file pertaining to original aux contents. */
err_code = 0;
break;
}
if (!err_code) {
file->blk.hdr.attr = new_attr;
err_code = shfs_inode_write_entity(file);
}
if (!err_code && (file->blk.hdr.attr & SHATTR_SYNC))
shfs_file_notify(file);
return (err_code);
}
int shfs_attr_set(shfs_ino_t *file, int attr)
{
shfs_attr_t cur_flag;
shmime_t *mime;
int err_code;
if (!file || !attr)
return (SHERR_INVAL);
cur_flag = shfs_attr(file);
if (cur_flag & attr)
return (0); /* already set */
err_code = SHERR_OPNOTSUPP;
switch (attr) {
case SHATTR_ARCH:
if (shfs_type(file) == SHINODE_DIRECTORY) {
err_code = 0;
}
break;
case SHATTR_COMP:
if (shfs_type(file) == SHINODE_DIRECTORY) {
/* files inherit */
err_code = 0;
break;
}
err_code = shfs_format_set(file, SHINODE_COMPRESS);
break;
case SHATTR_SYNC:
err_code = 0;
//err_code = shfs_file_notify(file);
break;
case SHATTR_TEMP:
err_code = 0;
break;
case SHATTR_VER:
err_code = shfs_rev_init(file);
break;
case SHATTR_READ:
case SHATTR_WRITE:
case SHATTR_EXE:
err_code = 0;
break;
case SHATTR_DB:
if (shfs_type(file) != SHINODE_FILE ||
shfs_format(file) != SHINODE_NULL) {
/* not a file or already contains content */
err_code = SHERR_INVAL;
break;
}
err_code = 0;
#if 0
err_code = shfs_format_set(file, SHINODE_DATABASE);
#endif
#if 0
if (shfs_size(file) == 0) {
/* new database. */
err_code = 0;
}
mime = shmime_file(file);
if (!mime || 0 == strcmp(mime->mime_name, SHMIME_APP_SQLITE)) {
err_code = SHERR_INVAL;
break;
}
/* DEBUG: move to copy file area */
#endif
break;
}
if (!err_code) {
file->blk.hdr.attr |= attr;
err_code = shfs_inode_write_entity(file);
}
if (!err_code &&
((file->blk.hdr.attr & SHATTR_SYNC) ||
(cur_flag & cur_flag))) {
/* notify share daemon of altered attribute state for synchronized inode. */
shfs_file_notify(file);
}
return (err_code);
}
int shfs_file_remove(shfs_ino_t *file)
{
shfs_ino_t *child;
shbuf_t *buff;
shfs_dirent_t *ents;
size_t ent_max;
int fmt;
int err;
int i;
if (IS_INODE_CONTAINER(shfs_type(file))) {
ents = NULL;
ent_max = shfs_list(file, NULL, &ents);
if (ent_max < 0) {
return (ent_max);
}
if (ents) {
for (i = 0; i < ent_max; i++) {
if (IS_INODE_CONTAINER(ents[i].d_type)) {
child = shfs_inode(file, ents[i].d_name, ents[i].d_type);
err = shfs_file_remove(child);
if (err)
return (err);
} else {
child = shfs_inode(file, NULL, ents[i].d_type);
shfs_inode_clear(child);
}
}
free(ents);
} else {
/* version repository */
if (shfs_attr(file) & SHATTR_VER) {
child = shfs_inode(file, NULL, SHINODE_REPOSITORY);
err = shfs_file_remove(child);
if (err)
return (err);
}
/* specific format */
fmt = shfs_format(file);
if (fmt == SHINODE_NULL && shfs_type(file) == SHINODE_BINARY) {
fmt = SHINODE_AUX;
}
if (fmt != SHINODE_NULL) {
child = shfs_inode(file, NULL, fmt);
if (!IS_INODE_CONTAINER(shfs_type(child))) {
err = shfs_inode_clear(child);
} else {
err = shfs_file_remove(child);
}
if (err)
return (err);
}
}
}
if (shfs_type(file) != SHINODE_DIRECTORY) {
#if 0
/* DEBUG: perform inode_clear on 'fpos' index */
/* clear previous format */
err = shfs_format_set(file, SHINODE_NULL);
if (err)
return (err);
#endif
/* reset stats on file inode. */
file->blk.hdr.mtime = 0;
file->blk.hdr.size = 0;
// file->blk.hdr.type = SHINODE_NULL;
file->blk.hdr.format = SHINODE_NULL;
file->blk.hdr.attr = SHINODE_NULL;
file->blk.hdr.crc = 0;
err = shfs_inode_write_entity(file);
if (err) {
return (err);
}
}
return (0);
}
