X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fvfs%2Ffs%2Froot.c;fp=KernelLand%2FKernel%2Fvfs%2Ffs%2Froot.c;h=fd667b9b031af83b268e31b04601cba4012b04ec;hb=781a7ce11a8467b2848a9236838ddc74ff614709;hp=6aa9e28d98f7fa73463167a3fac7ce383f69350e;hpb=8b9fec5cdcd6243d401fd0013d5946d296a04e43;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/vfs/fs/root.c b/KernelLand/Kernel/vfs/fs/root.c index 6aa9e28d..fd667b9b 100644 --- a/KernelLand/Kernel/vfs/fs/root.c +++ b/KernelLand/Kernel/vfs/fs/root.c @@ -18,6 +18,7 @@ // === PROTOTYPES === tVFS_Node *Root_InitDevice(const char *Device, const char **Options); +tVFS_Node *Root_GetByINode(tVFS_Node *RootNode, Uint64 Inode); tVFS_Node *Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags); tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name, Uint Flags); int Root_ReadDir(tVFS_Node *Node, int Pos, char Dest[FILENAME_MAX]); @@ -28,7 +29,8 @@ tRamFS_File *Root_int_AllocFile(void); // === GLOBALS === tVFS_Driver gRootFS_Info = { .Name = "rootfs", - .InitDevice = Root_InitDevice + .InitDevice = Root_InitDevice, + .GetNodeFromINode = Root_GetByINode }; tRamFS_File RootFS_Files[MAX_FILES]; tVFS_ACL RootFS_DirACLs[3] = { @@ -83,6 +85,19 @@ tVFS_Node *Root_InitDevice(const char *Device, const char **Options) return &root->Node; } +tVFS_Node *Root_GetByINode(tVFS_Node *RootNode, Uint64 Inode) +{ + if( Inode >= MAX_FILES ) + return NULL; + if( RootFS_Files[Inode].Name[0] == '\0' ) + return NULL; + Debug("Root_GetByINode: (%llx) = '%s' %p", + Inode, + RootFS_Files[Inode].Name, &RootFS_Files[Inode].Node + ); + return &RootFS_Files[Inode].Node; +} + /** * \fn int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags) * \brief Create an entry in the root directory @@ -112,7 +127,6 @@ tVFS_Node *Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags) } child = Root_int_AllocFile(); - memset(child, 0, sizeof(tRamFS_File)); strcpy(child->Name, Name); LOG("Name = '%s'", child->Name); @@ -238,9 +252,11 @@ size_t Root_Write(tVFS_Node *Node, off_t Offset, size_t Length, const void *Buff // Check if buffer needs to be expanded if(Offset + Length > Node->Size) { - void *tmp = realloc( file->Data.Bytes, Offset + Length ); + size_t newsize = Offset + Length; + void *tmp = realloc( file->Data.Bytes, newsize ); if(tmp == NULL) { - Warning("Root_Write - Increasing buffer size failed"); + Warning("Root_Write - Increasing buffer size failed (0x%x)", + newsize); LEAVE('i', -1); return -1; } @@ -267,6 +283,7 @@ tRamFS_File *Root_int_AllocFile(void) { if( RootFS_Files[i].Name[0] == '\0' ) { + RootFS_Files[i].Node.Inode = i; return &RootFS_Files[i]; } }