2123 	UINT di, si, nc;  local
2127 	nc = 0; hs = 0; di = 0;
2129 		if (si >= MAXDIRB(FF_MAX_LFN)) { di = 0; break; }	/* Truncated directory block? */
2135 …wc = put_utf((DWORD)hs << 16 | wc, &fno->fname[di], FF_LFN_BUF - di);	/* Store it in API encoding …
2136 		if (wc == 0) { di = 0; break; }	/* Buffer overflow or wrong encoding? */
2137 		di += wc;
2140 	if (hs != 0) di = 0;					/* Broken surrogate pair? */
2141 	if (di == 0) fno->fname[di++] = '?';	/* Inaccessible object name? */
2142 	fno->fname[di] = 0;						/* Terminate the name */
2428 		UINT di, ni;  local
2436 …for (nc = fs->dirbuf[XDIR_NumName], di = SZDIRE * 2, ni = 0; nc; nc--, di += 2, ni++) {	/* Compare…
2437 				if ((di % SZDIRE) == 0) di += 2;
2438 				if (ff_wtoupper(ld_word(fs->dirbuf + di)) != ff_wtoupper(fs->lfnbuf[ni])) break;
2650 	UINT si, di;  local
2672 			si = di = hs = 0;
2678 …wc = put_utf((DWORD)hs << 16 | wc, &fno->fname[di], FF_LFN_BUF - di);	/* Store it in UTF-16 or UTF…
2679 				if (wc == 0) { di = 0; break; }	/* Invalid char or buffer overflow? */
2680 				di += wc;
2683 			if (hs != 0) di = 0;	/* Broken surrogate pair? */
2684 			fno->fname[di] = 0;		/* Terminate the LFN (null string means LFN is invalid) */
2688 	si = di = 0;
2693 		if (si == 9 && di < FF_SFN_BUF) fno->altname[di++] = '.';	/* Insert a . if extension is exist */
2699 		if (wc == 0) { di = 0; break; }		/* Wrong char in the current code page? */
2700 		wc = put_utf(wc, &fno->altname[di], FF_SFN_BUF - di);	/* Store it in Unicode */
2701 		if (wc == 0) { di = 0; break; }		/* Buffer overflow? */
2702 		di += wc;
2704 		fno->altname[di++] = (TCHAR)wc;	/* Store it without any conversion */
2707 	fno->altname[di] = 0;	/* Terminate the SFN  (null string means SFN is invalid) */
2710 		if (di == 0) {	/* If LFN and SFN both are invalid, this object is inaccesible */
2711 			fno->fname[di++] = '?';
2713 …for (si = di = 0, lcf = NS_BODY; fno->altname[si]; si++, di++) {	/* Copy altname[] to fname[] with…
2717 				fno->fname[di] = (TCHAR)wc;
2720 		fno->fname[di] = 0;	/* Terminate the LFN */
2725 	si = di = 0;
2730 		if (si == 9) fno->fname[di++] = '.';/* Insert a . if extension is exist */
2731 		fno->fname[di++] = c;
2733 	fno->fname[di] = 0;
2838 	UINT i, ni, si, di;  local
2843 	p = *path; lfn = dp->obj.fs->lfnbuf; di = 0;
2847 		if (uc >= 0x10000) lfn[di++] = (WCHAR)(uc >> 16);	/* Store high surrogate if needed */
2851 		if (di >= FF_MAX_LFN) return FR_INVALID_NAME;	/* Reject too long name */
2852 		lfn[di++] = wc;					/* Store the Unicode character */
2859 	if ((di == 1 && lfn[di - 1] == '.') ||
2860 		(di == 2 && lfn[di - 1] == '.' && lfn[di - 2] == '.')) {	/* Is this segment a dot name? */
2861 		lfn[di] = 0;
2863 			dp->fn[i] = (i < di) ? '.' : ' ';
2869 	while (di) {						/* Snip off trailing spaces and dots if exist */
2870 		wc = lfn[di - 1];
2872 		di--;
2874 	lfn[di] = 0;							/* LFN is created into the working buffer */
2875 	if (di == 0) return FR_INVALID_NAME;	/* Reject null name */
2880 	while (di > 0 && lfn[di - 1] != '.') di--;	/* Find last dot (di<=si: no extension) */
2887 		if (wc == ' ' || (wc == '.' && si != di)) {	/* Remove embedded spaces and dots */
2892 		if (i >= ni || si == di) {		/* End of field? */
2897 			if (si != di) cf |= NS_LOSS | NS_LFN;	/* Name body overflow? */
2898 			if (si > di) break;						/* No name extension? */
2899 			si = di; i = 8; ni = 11; b <<= 2;		/* Enter name extension */
5164 	UINT si, di;  local
5181 …for (si = di = hs = 0; si < dj.dir[XDIR_NumLabel]; si++) {	/* Extract volume label from 83 entry */
5186 						wc = put_utf((DWORD)hs << 16 | wc, &label[di], 4);
5187 						if (wc == 0) { di = 0; break; }
5188 						di += wc;
5191 					if (hs != 0) di = 0;	/* Broken surrogate pair? */
5192 					label[di] = 0;
5196 					si = di = 0;		/* Extract volume label from AM_VOL entry */
5202 						if (wc != 0) wc = put_utf(wc, &label[di], 4);	/* Put it in Unicode */
5203 						if (wc == 0) { di = 0; break; }
5204 						di += wc;
5206 						label[di++] = (TCHAR)wc;
5210 						label[di] = 0;
5211 						if (di == 0) break;
5212 					} while (label[--di] == ' ');
5228 				di = BPB_VolIDEx; break;
5231 				di = BS_VolID32; break;
5234 				di = BS_VolID;
5236 			*vsn = ld_dword(fs->win + di);
5258 	UINT di;  local
5272 		di = 0;
5276 				if (dc == 0xFFFFFFFF || di >= 10) {	/* Wrong surrogate or buffer overflow */
5279 					st_word(dirvn + di * 2, (WCHAR)(dc >> 16)); di++;
5282 …if (dc == 0 || chk_chr(badchr + 7, (int)dc) || di >= 11) {	/* Check validity of the volume label */
5285 			st_word(dirvn + di * 2, (WCHAR)dc); di++;
5291 		di = 0;
5306 …if (wc == 0 || chk_chr(badchr + 0, (int)wc) || di >= (UINT)((wc >= 0x100) ? 10 : 11)) {	/* Reject …
5309 			if (wc >= 0x100) dirvn[di++] = (BYTE)(wc >> 8);
5310 			dirvn[di++] = (BYTE)wc;
5313 		while (di && dirvn[di - 1] == ' ') di--;				/* Snip trailing spaces */
5323 				dj.dir[XDIR_NumLabel] = (BYTE)di;	/* Change the volume label */
5326 				if (di != 0) {
5337 				if (di != 0) {	/* Create a volume label entry */
5343 							dj.dir[XDIR_NumLabel] = (BYTE)di;