48 #define IsUpper(c)		((c) >= 'A' && (c) <= 'Z')  argument
49 #define IsLower(c)		((c) >= 'a' && (c) <= 'z')  argument
50 #define IsDigit(c)		((c) >= '0' && (c) <= '9')  argument
51 #define IsSeparator(c)	((c) == '/' || (c) == '\\')  argument
52 #define IsTerminator(c)	((UINT)(c) < (FF_USE_LFN ? ' ' : '!'))  argument
53 #define IsSurrogate(c)	((c) >= 0xD800 && (c) <= 0xDFFF)  argument
54 #define IsSurrogateH(c)	((c) >= 0xD800 && (c) <= 0xDBFF)  argument
55 #define IsSurrogateL(c)	((c) >= 0xDC00 && (c) <= 0xDFFF)  argument
694 static int dbc_1st (BYTE c)  in dbc_1st()  argument
697 	if (DbcTbl && c >= DbcTbl[0]) {  in dbc_1st()
698 		if (c <= DbcTbl[1]) return 1;					/* 1st byte range 1 */  in dbc_1st()
699 		if (c >= DbcTbl[2] && c <= DbcTbl[3]) return 1;	/* 1st byte range 2 */  in dbc_1st()
702 	if (c >= DbcTbl[0]) {  in dbc_1st()
703 		if (c <= DbcTbl[1]) return 1;  in dbc_1st()
704 		if (c >= DbcTbl[2] && c <= DbcTbl[3]) return 1;  in dbc_1st()
707 	if (c != 0) return 0;	/* Always false */  in dbc_1st()
714 static int dbc_2nd (BYTE c)  in dbc_2nd()  argument
717 	if (DbcTbl && c >= DbcTbl[4]) {  in dbc_2nd()
718 		if (c <= DbcTbl[5]) return 1;					/* 2nd byte range 1 */  in dbc_2nd()
719 		if (c >= DbcTbl[6] && c <= DbcTbl[7]) return 1;	/* 2nd byte range 2 */  in dbc_2nd()
720 		if (c >= DbcTbl[8] && c <= DbcTbl[9]) return 1;	/* 2nd byte range 3 */  in dbc_2nd()
723 	if (c >= DbcTbl[4]) {  in dbc_2nd()
724 		if (c <= DbcTbl[5]) return 1;  in dbc_2nd()
725 		if (c >= DbcTbl[6] && c <= DbcTbl[7]) return 1;  in dbc_2nd()
726 		if (c >= DbcTbl[8] && c <= DbcTbl[9]) return 1;  in dbc_2nd()
729 	if (c != 0) return 0;	/* Always false */  in dbc_2nd()
2021 	BYTE ns[8], c;  local
2045 		c = (BYTE)((seq % 16) + '0'); seq /= 16;
2046 		if (c > '9') c += 7;
2047 		ns[i--] = c;
2411 	BYTE c;  local
2445 		c = dp->dir[DIR_Name];
2446 		if (c == 0) { res = FR_NO_FILE; break; }	/* Reached end of directory table */
2449 		if (c == DDEM || ((a & AM_VOL) && a != AM_LFN)) {	/* An entry without valid data */
2454 					if (c & LLEF) {		/* Is it start of an entry set? */
2455 						c &= (BYTE)~LLEF;
2456 						ord = c;					/* Number of LFN entries */
2461 …		ord = (c == ord && sum == dp->dir[LDIR_Chksum] && cmp_lfn(fs->lfnbuf, dp->dir)) ? ord - 1 : 0xFF;
2651 	TCHAR c;  local
2757 		c = (TCHAR)dp->dir[si++];
2758 		if (c == ' ') continue;		/* Skip padding spaces */
2759 		if (c == RDDEM) c = DDEM;	/* Restore replaced DDEM character */
2761 		fno->fname[di++] = c;
3002 	BYTE c, d;
3014 			c = (BYTE)p[si++];
3015 			if (c != '.' || si >= 3) break;
3016 			sfn[i++] = c;
3018 		if (!IsSeparator(c) && c > ' ') return FR_INVALID_NAME;
3020 …sfn[NSFLAG] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT;	/* Set last segment flag if end of the path …
3025 		c = (BYTE)p[si++];				/* Get a byte */
3026 		if (c <= ' ') break; 			/* Break if end of the path name */
3027 		if (IsSeparator(c)) {			/* Break if a separator is found */
3031 		if (c == '.' || i >= ni) {		/* End of body or field overflow? */
3032 			if (ni == 11 || c != '.') return FR_INVALID_NAME;	/* Field overflow or invalid dot? */
3037 		if (ExCvt && c >= 0x80) {		/* Is SBC extended character? */
3038 			c = ExCvt[c & 0x7F];		/* To upper SBC extended character */
3041 		if (c >= 0x80) {				/* Is SBC extended character? */
3042 			c = ExCvt[c & 0x7F];		/* To upper SBC extended character */
3045 		if (dbc_1st(c)) {				/* Check if it is a DBC 1st byte */
3048 			sfn[i++] = c;
3051 …if (strchr("*+,:;<=>[]|\"\?\x7F", (int)c)) return FR_INVALID_NAME;	/* Reject illegal chrs for SFN …
3052 			if (IsLower(c)) c -= 0x20;	/* To upper */
3053 			sfn[i++] = c;
3060 …sfn[NSFLAG] = (c <= ' ' || p[si] <= ' ') ? NS_LAST : 0;	/* Set last segment flag if end of the pat…
6597 static void putc_bfd (putbuff* pb, TCHAR c)  argument
6609 	if (FF_USE_STRFUNC == 2 && c == '\n') {	 /* LF -> CRLF conversion */
6619 	if (IsSurrogateH(c)) {	/* Is this a high-surrogate? */
6620 		pb->hs = c; return;	/* Save it for next */
6624 		if (!IsSurrogateL(c)) hs = 0;	/* Discard high-surrogate if a stray high-surrogate */
6626 		if (IsSurrogateL(c)) return;	/* Discard stray low-surrogate */
6628 	wc = c;
6632 			pb->bs[pb->wi = 0] = (BYTE)c;	/* Save 1st byte */
6633 			if ((BYTE)c < 0x80) break;					/* Single byte code? */
6634 			if (((BYTE)c & 0xE0) == 0xC0) pb->ct = 1;	/* 2-byte sequence? */
6635 			if (((BYTE)c & 0xF0) == 0xE0) pb->ct = 2;	/* 3-byte sequence? */
6636 			if (((BYTE)c & 0xF8) == 0xF0) pb->ct = 3;	/* 4-byte sequence? */
6639 			if (((BYTE)c & 0xC0) != 0x80) {	/* Broken sequence? */
6642 			pb->bs[++pb->wi] = (BYTE)c;	/* Save the trailing byte */
6653 	if (IsSurrogate(c) || c >= 0x110000) return;	/* Discard invalid code */
6654 	if (c >= 0x10000) {		/* Out of BMP? */
6655 		hs = (WCHAR)(0xD800 | ((c >> 10) - 0x40)); 	/* Make high surrogate */
6656 		wc = 0xDC00 | (c & 0x3FF);					/* Make low surrogate */
6659 		wc = (WCHAR)c;
6714 	pb->buf[i++] = (BYTE)c;
6752 	TCHAR c,	/* A character to be output */  argument
6760 	putc_bfd(&pb, c);	/* Put the character */