X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffsfs.c;h=38b3fb6fa4640ec1391f9c7f09b118d7cd87aeaf;hp=b1871423e96de733ee74123f4f7f060389203bb4;hb=9af5d90f5726655f1d5da3920fa6f3f0974041c2;hpb=5409719091c79983abc45bcc3070bce6786c8278 diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c index b187142..38b3fb6 100644 --- a/direct/yaffsfs.c +++ b/direct/yaffsfs.c @@ -641,6 +641,7 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing) obj->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) obj = NULL; + if(obj){ /* The file already exists or it might be a directory */ @@ -655,7 +656,7 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing) /* Open should fail if O_CREAT and O_EXCL are specified since * the file exists */ - if((oflag & O_EXCL) && (oflag & O_CREAT)){ + if(!errorReported && (oflag & O_EXCL) && (oflag & O_CREAT)){ openDenied = 1; yaffsfs_SetError(-EEXIST); errorReported = 1; @@ -668,8 +669,14 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing) if( writeRequested && !(obj->yst_mode & S_IWRITE)) openDenied = 1; + if(openDenied && !errorReported ) { + /* Error if the file exists but permissions are refused. */ + yaffsfs_SetError(-EACCES); + errorReported = 1; + } + /* Check sharing of an existing object. */ - { + if(!openDenied){ yaffsfs_Handle *hx; int i; sharedReadAllowed = 1; @@ -704,20 +711,39 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing) } } - } else if((oflag & O_CREAT)) { - /* Let's see if we can create this file */ + } + + /* If we could not open an existing object, then let's see if + * the directory exists. If not, error. + */ + if(!obj && !errorReported){ dir = yaffsfs_FindDirectory(NULL,path,&name,0); - if(dir && dir->my_dev->read_only){ + if(!dir){ + yaffsfs_SetError(-ENOTDIR); + errorReported = 1; + } + } + + if(!obj && dir && !errorReported && (oflag & O_CREAT)) { + /* Let's see if we can create this file if it does not exist. */ + if(dir->my_dev->read_only){ yaffsfs_SetError(-EINVAL); errorReported = 1; - } else if(dir) + } else obj = yaffs_create_file(dir,name,mode,0,0); - else { - yaffsfs_SetError(-ENOTDIR); + + if(!obj && !errorReported){ + yaffsfs_SetError(-ENOSPC); errorReported = 1; } } + if(!obj && dir && !errorReported && !(oflag & O_CREAT)) { + /* Error if the file does not exist and CREAT is not set. */ + yaffsfs_SetError(-ENOENT); + errorReported = 1; + } + if(obj && !openDenied) { int inodeId = yaffsfs_GetInodeIdForObject(obj); @@ -743,10 +769,8 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing) yaffs_resize_file(obj,0); } else { yaffsfs_PutHandle(handle); - if(!errorReported) { - yaffsfs_SetError(!obj ? -ENOSPC : -EACCES); - errorReported = 1; - } + if(!errorReported) + yaffsfs_SetError(0); /* Problem */ handle = -1; } } @@ -1820,7 +1844,7 @@ int yaffs_mount2(const YCHAR *path,int read_only) struct yaffs_dev *dev=NULL; YCHAR *dummy; - T(YAFFS_TRACE_ALWAYS,(TSTR("yaffs: Mounting %s" TENDSTR),path)); + T(YAFFS_TRACE_MOUNT,(TSTR("yaffs: Mounting %s" TENDSTR),path)); yaffsfs_Lock(); @@ -2383,6 +2407,13 @@ int yaffs_get_error(void) return yaffsfs_GetLastError(); } +int yaffs_set_error(int error) +{ + /*yaffsfs_SetError does not return. So the program is assumed to have worked. */ + yaffsfs_SetError(error); + return 0; +} + int yaffs_dump_dev(const YCHAR *path) { #if 0