X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffsfs.c;h=3ee5f0c8644a9449b6ae3776533bd747c7cee6b5;hp=0b236ff86669f0545e38ef0df85bb807c2b1a5f5;hb=62003e4e28d993ae2182cb45276bc305ee656ce4;hpb=3fb0edc9f04818ed9f3ffe966d125a0e442843c2 diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c index 0b236ff..3ee5f0c 100644 --- a/direct/yaffsfs.c +++ b/direct/yaffsfs.c @@ -612,7 +612,10 @@ int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int sharing) handle = yaffsfs_GetNewHandle(); - if(handle >= 0){ + if(handle < 0){ + yaffsfs_SetError(-ENFILE); + errorReported = 1; + } else { yh = yaffsfs_GetHandlePointer(handle); @@ -1055,30 +1058,28 @@ off_t yaffs_lseek(int fd, off_t offset, int whence) h = yaffsfs_GetHandlePointer(fd); obj = yaffsfs_GetHandleObject(fd); - if(!h || !obj) + if(!h || !obj){ /* bad handle */ yaffsfs_SetError(-EBADF); - else if(whence == SEEK_SET){ - if(offset >= 0) - pos = offset; - } - else if(whence == SEEK_CUR) { - if( (h->position + offset) >= 0) - pos = (h->position + offset); - } - else if(whence == SEEK_END) { - fSize = yaffs_get_obj_length(obj); - if(fSize >= 0 && (fSize + offset) >= 0) - pos = fSize + offset; - } - - if(pos >= 0) - h->position = pos; - else { - /* todo error */ + } else { + if(whence == SEEK_SET){ + if(offset >= 0) + pos = offset; + } else if(whence == SEEK_CUR) { + if( (h->position + offset) >= 0) + pos = (h->position + offset); + } else if(whence == SEEK_END) { + fSize = yaffs_get_obj_length(obj); + if(fSize >= 0 && (fSize + offset) >= 0) + pos = fSize + offset; + } + + if(pos >= 0) + h->position = pos; + else + yaffsfs_SetError(-EINVAL); } - yaffsfs_Unlock(); return pos; @@ -1727,8 +1728,40 @@ int yaffs_mkdir(const YCHAR *path, mode_t mode) yaffs_obj_t *parent = NULL; yaffs_obj_t *dir = NULL; YCHAR *name; + YCHAR *use_path = NULL; + int path_length = 0; int retVal= -1; + int i; + + /* + * We don't have a definition for max path length. + * We will use 3 * max name length instead. + */ + + path_length = strnlen(path,(YAFFS_MAX_NAME_LENGTH+1)*3 +1); + + /* If the last character is a path divider, then we need to + * trim it back so that the name look-up works properly. + * eg. /foo/new_dir/ -> /foo/newdir + * Curveball: Need to handle multiple path dividers: + * eg. /foof/sdfse///// -> /foo/sdfse + */ + if(path_length > 0 && + yaffsfs_IsPathDivider(path[path_length-1])){ + use_path = YMALLOC(path_length + 1); + if(!use_path){ + yaffsfs_SetError(-ENOMEM); + return -1; + } + strcpy(use_path, path); + for(i = path_length-1; + i >= 0 && yaffsfs_IsPathDivider(use_path[i]); + i--) + use_path[i] = (YCHAR) 0; + path = use_path; + } + yaffsfs_Lock(); parent = yaffsfs_FindDirectory(NULL,path,&name,0); if(parent && yaffs_strnlen(name,5) == 0){ @@ -1754,6 +1787,9 @@ int yaffs_mkdir(const YCHAR *path, mode_t mode) yaffsfs_Unlock(); + if(use_path) + YFREE(use_path); + return retVal; } @@ -2330,6 +2366,11 @@ int yaffs_n_handles(const YCHAR *path) return yaffsfs_CountHandles(obj); } +int yaffs_get_error(void) +{ + return yaffsfs_GetLastError(); +} + int yaffs_dump_dev(const YCHAR *path) { #if 0