X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fvfs%2Ffs%2Froot.c;h=56858617d61733c586588730be1b06f98fb37393;hb=a88ba0c5436470438a63241b126f926968ef558f;hp=abe594576bf62d071164a098e4ff6f050bd9f910;hpb=3a8670fa06b6be062caead81737848fcb01b0c60;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/vfs/fs/root.c b/KernelLand/Kernel/vfs/fs/root.c index abe59457..56858617 100644 --- a/KernelLand/Kernel/vfs/fs/root.c +++ b/KernelLand/Kernel/vfs/fs/root.c @@ -13,9 +13,9 @@ // === PROTOTYPES === tVFS_Node *Root_InitDevice(const char *Device, const char **Options); - int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags); +tVFS_Node *Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags); tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name); -char *Root_ReadDir(tVFS_Node *Node, int Pos); + int Root_ReadDir(tVFS_Node *Node, int Pos, char Dest[FILENAME_MAX]); size_t Root_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer); size_t Root_Write(tVFS_Node *Node, off_t Offset, size_t Length, const void *Buffer); tRamFS_File *Root_int_AllocFile(void); @@ -82,7 +82,7 @@ tVFS_Node *Root_InitDevice(const char *Device, const char **Options) * \fn int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags) * \brief Create an entry in the root directory */ -int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags) +tVFS_Node *Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags) { tRamFS_File *parent = Node->ImplPtr; tRamFS_File *child; @@ -91,16 +91,18 @@ int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags) ENTER("pNode sName xFlags", Node, Name, Flags); LOG("Sanity check name length - %i > %i", strlen(Name)+1, sizeof(child->Name)); - if(strlen(Name) + 1 > sizeof(child->Name)) - LEAVE_RET('i', EINVAL); + if(strlen(Name) + 1 > sizeof(child->Name)) { + errno = EINVAL; + LEAVE_RET('n', NULL); + } // Find last child, while we're at it, check for duplication for( child = parent->Data.FirstChild; child; prev = child, child = child->Next ) { if(strcmp(child->Name, Name) == 0) { LOG("Duplicate"); - LEAVE('i', EEXIST); - return EEXIST; + errno = EEXIST; + LEAVE_RET('n', NULL); } } @@ -139,8 +141,8 @@ int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags) parent->Node.Size ++; - LEAVE('i', EOK); - return EOK; + LEAVE('n', &child->Node); + return &child->Node; } /** @@ -172,16 +174,19 @@ tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name) * \fn char *Root_ReadDir(tVFS_Node *Node, int Pos) * \brief Get an entry from the filesystem */ -char *Root_ReadDir(tVFS_Node *Node, int Pos) +int Root_ReadDir(tVFS_Node *Node, int Pos, char Dest[FILENAME_MAX]) { tRamFS_File *parent = Node->ImplPtr; tRamFS_File *child = parent->Data.FirstChild; for( ; child && Pos--; child = child->Next ) ; - if(child) return strdup(child->Name); + if(child) { + strncpy(Dest, child->Name, FILENAME_MAX); + return 0; + } - return NULL; + return -ENOENT; } /**