bsd/hfs/hfs_xattr.c

100 static int  alloc_attr_blks(struct hfsmount *hfsmp, size_t attrsize, size_t extentbufsize, HFSPlusExtentDescriptor *extents, int *blocks);
664 	size_t attrsize;
696 		attrsize = sizeof(VTOC(vp)->c_finderinfo);
698 		if ((user_size_t)uio_resid(uio) != attrsize) {
702 		if ((result = uiomove((caddr_t)&finderinfo , attrsize, uio))) {
716 			attrsize -= 8;
735 		if (bcmp(finderinfo_start, emptyfinfo, attrsize)) {
770 		if (attrsize == sizeof(cp->c_finderinfo))
771 			bcopy(&finderinfo[0], finderinfo_start, attrsize);
773 			bcopy(&finderinfo[8], finderinfo_start, attrsize);
873 	attrsize = uio_resid(uio);
876 	if (attrsize > HFS_XATTR_MAXSIZE) {
884 	if (attrsize > 0 &&
886 	    attrsize < hfsmp->hfs_max_inline_attrsize) {
887 		MALLOC(user_data_ptr, void *, attrsize, M_TEMP, M_WAITOK);
893 		result = uiomove((caddr_t)user_data_ptr, attrsize, uio);
909 	result = hfs_setxattr_internal (cp, user_data_ptr, attrsize, ap, VTOHFS(vp), 0);
939 int hfs_setxattr_internal (struct cnode *cp, caddr_t data_ptr, size_t attrsize,
1040 	if (attrsize > hfsmp->hfs_max_inline_attrsize) {
1058 		blkcnt = howmany(attrsize, hfsmp->blockSize);
1067 		result = alloc_attr_blks(hfsmp, attrsize, extentbufsize, extentptr, &allocatedblks);
1073 		result = write_attr_data(hfsmp, uio, attrsize, extentptr);
1111 		recp->forkData.theFork.logicalSize = attrsize;
1160 		btdata.itemSize = sizeof(HFSPlusAttrData) - 2 + attrsize + ((attrsize & 1) ? 1 : 0);
1169 		recp->attrData.attrSize = attrsize;
1172 		if (attrsize > 0) {
1174 				bcopy(data_ptr, &recp->attrData.attrData, attrsize);
1185 				result = uiomove((caddr_t)&recp->attrData.attrData, attrsize, uio);
2283 	int attrsize;
2291 	attrsize = (int)datasize;
2298 	for (i = 0; (attrsize > 0) && (bufsize > 0) && (extents[i].startBlock != 0); ++i) {
2300 		iosize = MIN(iosize, attrsize);
2313 		attrsize -= iosize;
2332 	int attrsize;
2341 	attrsize = (int) datasize;
2348 	for (i = 0; (attrsize > 0) && (bufsize > 0) && (extents[i].startBlock != 0); ++i) {
2350 		iosize = MIN(iosize, attrsize);
2363 		attrsize -= iosize;
2377 alloc_attr_blks(struct hfsmount *hfsmp, size_t attrsize, size_t extentbufsize, HFSPlusExtentDescriptor *extents, int *blocks)
2387 	blkcnt = howmany(attrsize, hfsmp->blockSize);