X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fvfs%2Fopen.c;h=ac47683f0631bf201991aae00531cdc19dd7fba2;hb=f69b8089900c0d1d08ea4b430d54519040ec4466;hp=05f7d2957a1dee1d04d0ad848e48c9d6344669f6;hpb=243bdab4e7acc8516d9b1c138f45dc1195f97767;p=tpg%2Facess2.git diff --git a/Kernel/vfs/open.c b/Kernel/vfs/open.c index 05f7d295..ac47683f 100644 --- a/Kernel/vfs/open.c +++ b/Kernel/vfs/open.c @@ -3,7 +3,7 @@ * - Open, Close and ChDir */ #define DEBUG 0 -#include +#include #include "vfs.h" #include "vfs_int.h" #include "vfs_ext.h" @@ -269,7 +269,7 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) // Check permissions on root of filesystem if( !VFS_CheckACL(curNode, VFS_PERM_EXECUTE) ) { - curNode->Close( curNode ); + if(curNode->Close) curNode->Close( curNode ); if(TruePath) { free(*TruePath); *TruePath = NULL; @@ -280,7 +280,8 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) } // Check if the node has a FindDir method - if(!curNode->FindDir) { + if( !curNode->FindDir ) + { if(curNode->Close) curNode->Close(curNode); if(TruePath) { free(*TruePath); @@ -295,8 +296,7 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) // Get Child Node tmpNode = curNode->FindDir(curNode, &Path[ofs]); LOG("tmpNode = %p", tmpNode); - if(curNode->Close) - curNode->Close(curNode); + if(curNode->Close) curNode->Close(curNode); curNode = tmpNode; // Error Check @@ -319,6 +319,13 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) *TruePath = NULL; } tmp = malloc( curNode->Size + 1 ); + if(!curNode->Read) { + Warning("VFS_ParsePath - Read of node %p is NULL (%s)", + curNode, Path); + if(curNode->Close) curNode->Close(curNode); + LEAVE('n'); + return NULL; + } curNode->Read( curNode, 0, curNode->Size, tmp ); tmp[ curNode->Size ] = '\0'; @@ -471,7 +478,7 @@ int VFS_Open(char *Path, Uint Mode) // Permissions Check if( !VFS_CheckACL(node, i) ) { - node->Close( node ); + if(node->Close) node->Close( node ); Log("VFS_Open: Permissions Failed"); LEAVE('i', -1); return -1; @@ -550,17 +557,16 @@ void VFS_Close(int FD) } /** - * \fn int VFS_ChDir(char *New) * \brief Change current working directory */ -int VFS_ChDir(char *New) +int VFS_ChDir(char *Dest) { char *buf; int fd; tVFS_Handle *h; // Create Absolute - buf = VFS_GetAbsPath(New); + buf = VFS_GetAbsPath(Dest); if(buf == NULL) { Log("VFS_ChDir: Path expansion failed"); return -1;