#include <colinux/common/libc.h>#include <colinux/kernel/filesystem.h>#include <colinux/os/alloc.h>#include <colinux/os/kernel/filesystem.h>co_rc_t co_os_fs_inode_to_path(co_filesystem_t *fs, co_inode_t *dir, char **out_name, int add){	co_inode_t *dir_scan = dir;	int len;	int depth = 0;	const int max_depth = 256;	char *names[max_depth];	char *fullname, *adding;	int namelen = add;	while (dir_scan  &&  dir_scan->name  &&  depth < max_depth) {		names[depth++] = dir_scan->name;		namelen += co_strlen(dir_scan->name) + 1;		dir_scan = dir_scan->parent;	}	len = co_strlen(fs->base_path);	fullname = co_os_malloc(len + namelen + 2);	if (!fullname)		return CO_RC(OUT_OF_MEMORY);	co_memcpy(fullname, fs->base_path, len);	adding = fullname + len;	while (depth-- > 0) {		*adding++ = '\\';		len = co_strlen(names[depth]);		co_memcpy(adding, names[depth], len);		adding += len;	}	/* impl. 'co_os_fs_add_last_component' directly here */	if (add > 0) {		if (adding > fullname  &&  *(adding-1) != '\\') {			*adding++ = '\\';		}	}	*adding = '\0';	*out_name = fullname;	return CO_RC(OK);}int co_os_fs_add_last_component(co_pathname_t *dirname){	int len;	len = co_strlen(*dirname);	if (len > 0  &&  (*dirname)[len-1] != '\\'  && (len + 2) < sizeof(*dirname)) {		(*dirname)[len] = '\\';		(*dirname)[len + 1] = '\0';		len++;	}		return len;}co_rc_t co_os_fs_dir_inode_to_path(co_filesystem_t *fs, co_inode_t *dir,				   char **out_name, char *name){	co_rc_t rc;	int len;	len = 1;	if (name)		len += co_strlen(name);	rc = co_os_fs_inode_to_path(fs, dir, out_name, len);	if (!CO_OK(rc))		return rc;	if (name)		co_memcpy(&(*out_name)[co_strlen(*out_name)], name, len);	return CO_RC(OK);}co_rc_t co_os_fs_dir_join_unix_path(co_pathname_t *dirname, const char *addition){	int len, total_len;		len = co_os_fs_add_last_component(dirname);	if (*addition == '/')		addition++;		co_snprintf(&(*dirname)[len], sizeof(*dirname) - len, "%s", addition);		total_len = co_strlen(*dirname);		while (len < total_len) {		if ((*dirname)[len] == '/') {			(*dirname)[len] = '\\';		}		len++;	}	if ((total_len > 0) && (*dirname)[total_len-1] == '\\') {		(*dirname)[total_len-1] = '\0';	}		return CO_RC(OK);}co_rc_t co_os_fs_get_attr(co_filesystem_t *fs, char *filename, struct fuse_attr *attr){	co_rc_t rc;	rc = co_os_file_get_attr(filename, attr);	if (!CO_OK(rc))		return rc;		if (attr->mode & FUSE_S_IFDIR)		attr->mode = fs->dir_mode;	else		attr->mode = fs->file_mode;	attr->uid = fs->uid;	attr->gid = fs->gid;	return rc;}