X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fdrv%2Fproc.c;h=9c7d909ac3d94c9ebce7561aae294ddba5737eb9;hb=6804038d728db78026b05507944bd1eb6587e22b;hp=4f52f5ca0c09274e3a299ca6ee5d85d1cfea9f7c;hpb=880dd63bfcba522dab0a75cc63fdec1d04ff8c89;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/drv/proc.c b/KernelLand/Kernel/drv/proc.c index 4f52f5ca..9c7d909a 100644 --- a/KernelLand/Kernel/drv/proc.c +++ b/KernelLand/Kernel/drv/proc.c @@ -31,7 +31,7 @@ typedef struct sSysFS_Ent int SysFS_RemoveFile(int ID); #endif -char *SysFS_Comm_ReadDir(tVFS_Node *Node, int Id); + int SysFS_Comm_ReadDir(tVFS_Node *Node, int Id, char Dest[FILENAME_MAX]); tVFS_Node *SysFS_Comm_FindDir(tVFS_Node *Node, const char *Filename); size_t SysFS_Comm_ReadFile(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer); void SysFS_Comm_CloseFile(tVFS_Node *Node); @@ -109,12 +109,8 @@ tSysFS_Ent *gSysFS_FileList; */ int SysFS_Install(char **Options) { - { - const char *fmt = "Acess2 "EXPAND_STR(KERNEL_VERSION)" "EXPAND_STR(ARCHDIR)" build %i, hash %s"; - gSysFS_Version_Kernel.Node.Size = sprintf(NULL, fmt, BUILD_NUM, gsGitHash); - gSysFS_Version_Kernel.Node.ImplPtr = malloc( gSysFS_Version_Kernel.Node.Size + 1 ); - sprintf(gSysFS_Version_Kernel.Node.ImplPtr, fmt, BUILD_NUM, gsGitHash); - } + gSysFS_Version_Kernel.Node.Size = strlen(gsBuildInfo); + gSysFS_Version_Kernel.Node.ImplPtr = (void*)gsBuildInfo; DevFS_AddDevice( &gSysFS_DriverInfo ); return MODULE_ERR_OK; @@ -254,8 +250,9 @@ int SysFS_UpdateFile(int ID, const char *Data, int Length) for( ent = gSysFS_FileList; ent; ent = ent->Next ) { // It's a reverse sorted list - if(ent->Node.Inode < ID) return 0; - if(ent->Node.Inode == ID) + if(ent->Node.Inode < (Uint64)ID) + return 0; + if(ent->Node.Inode == (Uint64)ID) { ent->Node.ImplPtr = (void*)Data; ent->Node.Size = Length; @@ -279,14 +276,15 @@ int SysFS_RemoveFile(int ID) tSysFS_Ent *ent, *parent, *prev; prev = NULL; - for( ent = gSysFS_FileList; ent; prev = ent, ent = ent->Next ) + for( ent = gSysFS_FileList; ent; prev = ent, ent = ent->ListNext ) { // It's a reverse sorted list - if(ent->Node.Inode < ID) return 0; - if(ent->Node.Inode == ID) break; + if(ent->Node.Inode <= (Uint64)ID) break; + } + if( !ent || ent->Node.Inode != (Uint64)ID) { + Log_Notice("SysFS", "ID %i not present", ID); + return 0; } - - if(!ent) return 0; // Set up for next part file = ent; @@ -300,26 +298,37 @@ int SysFS_RemoveFile(int ID) file->Node.Size = 0; file->Node.ImplPtr = NULL; - // Search parent directory - for( ent = parent->Node.ImplPtr; ent; prev = ent, ent = ent->Next ) + // Clean out of parent directory + while(parent) { - if( ent == file ) break; - } - if(!ent) { - Log_Warning("SysFS", "Bookkeeping Error: File in list, but not in directory"); - return 0; + for( ent = parent->Node.ImplPtr; ent; prev = ent, ent = ent->Next ) + { + if( ent == file ) break; + } + if(!ent) { + Log_Warning("SysFS", "Bookkeeping Error: File in list, but not in directory"); + return 0; + } + + // Remove from parent directory + if(prev) + prev->Next = ent->Next; + else + parent->Node.ImplPtr = ent->Next; + + // Free if not in use + if(file->Node.ReferenceCount == 0) { + free(file); + } + + if( parent->Node.ImplPtr ) + break; + + // Remove parent from the tree + file = parent; + parent = parent->Parent; } - // Remove from parent directory - if(prev) - prev->Next = ent->Next; - else - parent->Node.ImplPtr = ent->Next; - - // Free if not in use - if(file->Node.ReferenceCount == 0) - free(file); - return 1; } @@ -327,16 +336,20 @@ int SysFS_RemoveFile(int ID) * \fn char *SysFS_Comm_ReadDir(tVFS_Node *Node, int Pos) * \brief Reads from a SysFS directory */ -char *SysFS_Comm_ReadDir(tVFS_Node *Node, int Pos) +int SysFS_Comm_ReadDir(tVFS_Node *Node, int Pos, char Dest[FILENAME_MAX]) { tSysFS_Ent *child = (tSysFS_Ent*)Node->ImplPtr; - if(Pos < 0 || Pos >= Node->Size) return NULL; + if(Pos < 0 || (Uint64)Pos >= Node->Size) + return -EINVAL; for( ; child; child = child->Next, Pos-- ) { - if( Pos == 0 ) return strdup(child->Name); + if( Pos == 0 ) { + strncpy(Dest, child->Name, FILENAME_MAX); + return 0; + } } - return NULL; + return -ENOENT; } /**