Mercurial > yaffs-ecoscentric-gpl

comparison direct/yaffsfs.c @ 119:e2900d249f26

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Add hardlinks to yaffs direct
author charles <charles>
date Wed, 08 Feb 2006 22:38:24 +0000
parents 07a42c94dda5
children 2b3096daff30
comparison
equal deleted inserted replaced
118:045defda0c79 119:e2900d249f26
23 #ifndef NULL 23 #ifndef NULL
24 #define NULL ((void *)0) 24 #define NULL ((void *)0)
25 #endif 25 #endif
26 26
27 27
28 const char *yaffsfs_c_version="$Id: yaffsfs.c,v 1.7 2005-10-07 03:48:50 charles Exp $"; 28 const char *yaffsfs_c_version="$Id: yaffsfs.c,v 1.8 2006-02-08 22:38:24 charles Exp $";
29 29
30 // configurationList is the list of devices that are supported 30 // configurationList is the list of devices that are supported
31 static yaffsfs_DeviceConfiguration *yaffsfs_configurationList; 31 static yaffsfs_DeviceConfiguration *yaffsfs_configurationList;
32 32
33 33
1400 } 1400 }
1401 yaffsfs_Unlock(); 1401 yaffsfs_Unlock();
1402 return retVal; 1402 return retVal;
1403 } 1403 }
1404 1404
1405 int yaffs_link(const char *oldpath, const char *newpath); 1405 int yaffs_link(const char *oldpath, const char *newpath)
1406 {
1407 // Creates a link called newpath to existing oldpath
1408 yaffs_Object *obj = NULL;
1409 yaffs_Object *target = NULL;
1410 int retVal;
1411
1412
1413 yaffsfs_Lock();
1414
1415 obj = yaffsfs_FindObject(NULL,oldpath,0);
1416 target = yaffsfs_FindObject(NULL,newpath,0);
1417
1418 if(!obj)
1419 {
1420 yaffsfs_SetError(-ENOENT);
1421 retVal = -1;
1422 }
1423 else if(target)
1424 {
1425 yaffsfs_SetError(-EEXIST);
1426 retVal = -1;
1427 }
1428 else
1429 {
1430 yaffs_Object *newdir = NULL;
1431 yaffs_Object *link = NULL;
1432
1433 char *newname;
1434
1435 newdir = yaffsfs_FindDirectory(NULL,newpath,&newname,0);
1436
1437 if(!newdir)
1438 {
1439 yaffsfs_SetError(-ENOTDIR);
1440 retVal = -1;
1441 }
1442 else if(newdir->myDev != obj->myDev)
1443 {
1444 yaffsfs_SetError(-EXDEV);
1445 retVal = -1;
1446 }
1447 if(newdir && strlen(newname) > 0)
1448 {
1449 link = yaffs_Link(newdir,newname,obj);
1450 if(link)
1451 retVal = 0;
1452 else
1453 {
1454 yaffsfs_SetError(-ENOSPC);
1455 retVal = -1;
1456 }
1457
1458 }
1459 }
1460 yaffsfs_Unlock();
1461
1462 return retVal;
1463 }
1464
1406 int yaffs_mknod(const char *pathname, mode_t mode, dev_t dev); 1465 int yaffs_mknod(const char *pathname, mode_t mode, dev_t dev);
1407 1466
1408 int yaffs_DumpDevStruct(const char *path) 1467 int yaffs_DumpDevStruct(const char *path)
1409 { 1468 {
1410 char *rest; 1469 char *rest;