Example #1
0
static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry)
#endif
{
	yaffs_Object *obj;
	struct inode *inode = NULL;	

	yaffs_Device *dev = yaffs_InodeToObject(dir)->myDev;

	yaffs_GrossLock(dev);

	T(YAFFS_TRACE_OS,
	  (KERN_DEBUG "yaffs_lookup for %d:%s\n",
	   yaffs_InodeToObject(dir)->objectId, dentry->d_name.name));

	obj =
	    yaffs_FindObjectByName(yaffs_InodeToObject(dir),
				   dentry->d_name.name);

	obj = yaffs_GetEquivalentObject(obj);	
	
	
	yaffs_GrossUnlock(dev);

	if (obj) {
		T(YAFFS_TRACE_OS,
		  (KERN_DEBUG "yaffs_lookup found %d\n", obj->objectId));

		inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj);

		if (inode) {
			T(YAFFS_TRACE_OS,
			  (KERN_DEBUG "yaffs_loookup dentry \n"));
#if 0
			
			d_add(dentry, inode);

			
			return NULL;
#endif
		}

	} else {
		T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_lookup not found\n"));

	}

	d_add(dentry, inode);

	return NULL;
	

}
Example #2
0
static yaffs_Object *yaffsfs_FindObject(yaffs_Object *relativeDirectory, const char *path,int symDepth)
{
	yaffs_Object *dir;
	char *name;
	
	dir = yaffsfs_FindDirectory(relativeDirectory,path,&name,symDepth);
	
	if(dir && *name)
	{
		return yaffs_FindObjectByName(dir,name);
	}
	
	return dir;
}
Example #3
0
static yaffs_Object *yaffsfs_DoFindDirectory(yaffs_Object *startDir,const char *path,char **name,int symDepth)
{
	yaffs_Object *dir;
	char *restOfPath;
	char str[YAFFS_MAX_NAME_LENGTH+1];
	int i;
	
	if(symDepth > YAFFSFS_MAX_SYMLINK_DEREFERENCES)
	{
		return NULL;
	}
	
	if(startDir)
	{
		dir = startDir;
		restOfPath = (char *)path;
	}
	else
	{
		dir = yaffsfs_FindRoot(path,&restOfPath);
	}
	
	while(dir)
	{	
		while(*restOfPath == '/')
		{
			restOfPath++; // get rid of '/'
		}
		
		*name = restOfPath;
		i = 0;
		
		while(*restOfPath && *restOfPath != '/')
		{
			if (i < YAFFS_MAX_NAME_LENGTH)
			{
				str[i] = *restOfPath;
				str[i+1] = '\0';
				i++;
			}
			restOfPath++;
		}
		
		if(!*restOfPath)
		{
			// got to the end of the string
			return dir;
		}
		else
		{
			if(TEE_StrCmp(str,".") == 0)
			{
				// Do nothing
			}
			else if(TEE_StrCmp(str,"..") == 0)
			{
				dir = dir->parent;
			}
			else
			{
				dir = yaffs_FindObjectByName(dir,str);
				
				while(dir && dir->variantType == YAFFS_OBJECT_TYPE_SYMLINK)
				{
				
					dir = yaffsfs_FollowLink(dir,symDepth);
		
				}
				
				if(dir && dir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
				{
					dir = NULL;
				}
			}
		}
	}
	// directory did not exist.
	return NULL;
}