X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffsfs.c;h=67671ea6b69e90ce155b7cb68437f9c99ed34792;hp=4f06f9c6ef10e41e390bf0e58bf5b8fe5f007eec;hb=e1b8e63260986ab7afec3c379e7a320677c95846;hpb=f67d10d7a5a6d1cc7d1cb6eaada2522873ce5e99

diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c
index 4f06f9c..67671ea 100644
--- a/direct/yaffsfs.c
+++ b/direct/yaffsfs.c
@@ -25,7 +25,7 @@
 #endif
 
 
-const char *yaffsfs_c_version="$Id: yaffsfs.c,v 1.7 2005-10-07 03:48:50 charles Exp $";
+const char *yaffsfs_c_version="$Id: yaffsfs.c,v 1.12 2006-05-08 10:13:35 charles Exp $";
 
 // configurationList is the list of devices that are supported
 static yaffsfs_DeviceConfiguration *yaffsfs_configurationList;
@@ -999,13 +999,14 @@ int yaffs_fchmod(int fd, mode_t mode)
 int yaffs_mkdir(const char *path, mode_t mode)
 {
 	yaffs_Object *parent = NULL;
-	yaffs_Object *dir;
+	yaffs_Object *dir = NULL;
 	char *name;
 	int retVal= -1;
 	
 	yaffsfs_Lock();
 	parent = yaffsfs_FindDirectory(NULL,path,&name,0);
-	dir = yaffs_MknodDirectory(parent,name,mode,0,0);
+	if(parent)
+		dir = yaffs_MknodDirectory(parent,name,mode,0,0);
 	if(dir)
 	{
 		retVal = 0;
@@ -1075,6 +1076,10 @@ int yaffs_unmount(const char *path)
 		{
 			int i;
 			int inUse;
+			
+			yaffs_FlushEntireDeviceCache(dev);
+			yaffs_CheckpointSave(dev);
+			
 			for(i = inUse = 0; i < YAFFSFS_N_HANDLES && !inUse; i++)
 			{
 				if(yaffsfs_handle[i].inUse && yaffsfs_handle[i].obj->myDev == dev)
@@ -1402,7 +1407,66 @@ int yaffs_readlink(const char *path, char *buf, int bufsiz)
 	return retVal;
 }
 
-int yaffs_link(const char *oldpath, const char *newpath); 
+int yaffs_link(const char *oldpath, const char *newpath)
+{
+	// Creates a link called newpath to existing oldpath
+	yaffs_Object *obj = NULL;
+	yaffs_Object *target = NULL;
+	int retVal = 0;
+
+		
+	yaffsfs_Lock();
+	
+	obj = yaffsfs_FindObject(NULL,oldpath,0);
+	target = yaffsfs_FindObject(NULL,newpath,0);
+	
+	if(!obj)
+	{
+		yaffsfs_SetError(-ENOENT);
+		retVal = -1;
+	}
+	else if(target)
+	{
+		yaffsfs_SetError(-EEXIST);
+		retVal = -1;
+	}
+	else	
+	{
+		yaffs_Object *newdir = NULL;
+		yaffs_Object *link = NULL;
+		
+		char *newname;
+		
+		newdir = yaffsfs_FindDirectory(NULL,newpath,&newname,0);
+		
+		if(!newdir)
+		{
+			yaffsfs_SetError(-ENOTDIR);
+			retVal = -1;
+		}
+		else if(newdir->myDev != obj->myDev)
+		{
+			yaffsfs_SetError(-EXDEV);
+			retVal = -1;
+		}
+		if(newdir && strlen(newname) > 0)
+		{
+			link = yaffs_Link(newdir,newname,obj);
+			if(link)
+				retVal = 0;
+			else
+			{
+				yaffsfs_SetError(-ENOSPC);
+				retVal = -1;
+			}
+
+		}
+	}
+	yaffsfs_Unlock();
+	
+	return retVal;
+}
+
 int yaffs_mknod(const char *pathname, mode_t mode, dev_t dev);
 
 int yaffs_DumpDevStruct(const char *path)