887 		  const char *fmt)  in dentry_name()  argument
894 	switch (fmt[1]) {  in dentry_name()
896 			depth = fmt[1] - '0';  in dentry_name()
936 			struct printf_spec spec, const char *fmt)  in file_dentry_name()  argument
941 	return dentry_name(buf, end, f->f_path.dentry, spec, fmt);  in file_dentry_name()
946 		struct printf_spec spec, const char *fmt)  in bdev_name()  argument
969 		    struct printf_spec spec, const char *fmt)  in symbol_string()  argument
976 	if (fmt[1] == 'R')  in symbol_string()
981 	if (*fmt == 'B' && fmt[1] == 'b')  in symbol_string()
983 	else if (*fmt == 'B')  in symbol_string()
985 	else if (*fmt == 'S' && (fmt[1] == 'b' || (fmt[1] == 'R' && fmt[2] == 'b')))  in symbol_string()
987 	else if (*fmt != 's')  in symbol_string()
1044 		      struct printf_spec spec, const char *fmt)  in resource_string()  argument
1087 	int decode = (fmt[0] == 'R') ? 1 : 0;  in resource_string()
1141 		   struct printf_spec spec, const char *fmt)  in range_string()  argument
1166 		 const char *fmt)  in hex_string()  argument
1179 	switch (fmt[1]) {  in hex_string()
1217 		    struct printf_spec spec, const char *fmt)  in bitmap_string()  argument
1261 			 struct printf_spec spec, const char *fmt)  in bitmap_list_string()  argument
1291 			 struct printf_spec spec, const char *fmt)  in mac_address_string()  argument
1302 	switch (fmt[1]) {  in mac_address_string()
1322 		if (fmt[0] == 'M' && i != 5)  in mac_address_string()
1331 char *ip4_string(char *p, const u8 *addr, const char *fmt)  in ip4_string()  argument
1334 	bool leading_zeros = (fmt[0] == 'i');  in ip4_string()
1338 	switch (fmt[2]) {  in ip4_string()
1464 char *ip6_string(char *p, const char *addr, const char *fmt)  in ip6_string()  argument
1471 		if (fmt[0] == 'I' && i != 7)  in ip6_string()
1481 		      struct printf_spec spec, const char *fmt)  in ip6_addr_string()  argument
1485 	if (fmt[0] == 'I' && fmt[2] == 'c')  in ip6_addr_string()
1488 		ip6_string(ip6_addr, addr, fmt);  in ip6_addr_string()
1495 		      struct printf_spec spec, const char *fmt)  in ip4_addr_string()  argument
1499 	ip4_string(ip4_addr, addr, fmt);  in ip4_addr_string()
1506 			 struct printf_spec spec, const char *fmt)  in ip6_addr_string_sa()  argument
1514 	char fmt6[2] = { fmt[0], '6' };  in ip6_addr_string_sa()
1517 	fmt++;  in ip6_addr_string_sa()
1518 	while (isalpha(*++fmt)) {  in ip6_addr_string_sa()
1519 		switch (*fmt) {  in ip6_addr_string_sa()
1568 			 struct printf_spec spec, const char *fmt)  in ip4_addr_string_sa()  argument
1574 	char fmt4[3] = { fmt[0], '4', 0 };  in ip4_addr_string_sa()
1576 	fmt++;  in ip4_addr_string_sa()
1577 	while (isalpha(*++fmt)) {  in ip4_addr_string_sa()
1578 		switch (*fmt) {  in ip4_addr_string_sa()
1586 			fmt4[2] = *fmt;  in ip4_addr_string_sa()
1603 		     struct printf_spec spec, const char *fmt)  in ip_addr_string()  argument
1610 	switch (fmt[1]) {  in ip_addr_string()
1612 		return ip6_addr_string(buf, end, ptr, spec, fmt);  in ip_addr_string()
1614 		return ip4_addr_string(buf, end, ptr, spec, fmt);  in ip_addr_string()
1624 			return ip4_addr_string_sa(buf, end, &sa->v4, spec, fmt);  in ip_addr_string()
1626 			return ip6_addr_string_sa(buf, end, &sa->v6, spec, fmt);  in ip_addr_string()
1632 	err_fmt_msg = fmt[0] == 'i' ? "(%pi?)" : "(%pI?)";  in ip_addr_string()
1638 		     const char *fmt)  in escaped_string()  argument
1652 		switch (fmt[count++]) {  in escaped_string()
1696 		       struct printf_spec spec, const char *fmt)  in va_format()  argument
1704 	buf += vsnprintf(buf, end > buf ? end - buf : 0, va_fmt->fmt, va);  in va_format()
1712 		  struct printf_spec spec, const char *fmt)  in uuid_string()  argument
1723 	switch (*(++fmt)) {  in uuid_string()
1757 		  struct printf_spec spec,  const char *fmt)  in netdev_bits()  argument
1765 	switch (fmt[1]) {  in netdev_bits()
1779 		    struct printf_spec spec, const char *fmt)  in fourcc_string()  argument
1786 	if (fmt[1] != 'c' || fmt[2] != 'c')  in fourcc_string()
1817 		  struct printf_spec spec, const char *fmt)  in address_val()  argument
1825 	switch (fmt[1]) {  in address_val()
1877 	      struct printf_spec spec, const char *fmt)  in rtc_str()  argument
1887 	switch (fmt[count]) {  in rtc_str()
1899 		switch (fmt[count++]) {  in rtc_str()
1927 		 struct printf_spec spec, const char *fmt)  in time64_str()  argument
1945 	return rtc_str(buf, end, &rtc_time, spec, fmt);  in time64_str()
1950 		    const char *fmt)  in time_and_date()  argument
1952 	switch (fmt[1]) {  in time_and_date()
1954 		return rtc_str(buf, end, (const struct rtc_time *)ptr, spec, fmt);  in time_and_date()
1956 		return time64_str(buf, end, *(const time64_t *)ptr, spec, fmt);  in time_and_date()
1964 	    const char *fmt)  in clock()  argument
1972 	switch (fmt[1]) {  in clock()
2080 		   struct printf_spec spec, const char *fmt)  in flags_string()  argument
2088 	switch (fmt[1]) {  in flags_string()
2135 			 struct printf_spec spec, const char *fmt)  in device_node_string()  argument
2147 	if (fmt[0] != 'F')  in device_node_string()
2157 	fmt++;  in device_node_string()
2158 	if (fmt[0] == '\0' || strcspn(fmt,"fnpPFcC") > 0)  in device_node_string()
2159 		fmt = "f";  in device_node_string()
2161 	for (pass = false; strspn(fmt,"fnpPFcC"); fmt++, pass = true) {  in device_node_string()
2169 		switch (*fmt) {  in device_node_string()
2225 		    struct printf_spec spec, const char *fmt)  in fwnode_string()  argument
2232 	if (*fmt != 'w')  in fwnode_string()
2238 	fmt++;  in fwnode_string()
2240 	switch (*fmt) {  in fwnode_string()
2254 char *resource_or_range(const char *fmt, char *buf, char *end, void *ptr,  in resource_or_range()  argument
2257 	if (*fmt == 'r' && fmt[1] == 'a')  in resource_or_range()
2258 		return range_string(buf, end, ptr, spec, fmt);  in resource_or_range()
2259 	return resource_string(buf, end, ptr, spec, fmt);  in resource_or_range()
2423 char *pointer(const char *fmt, char *buf, char *end, void *ptr,  in pointer()  argument
2426 	switch (*fmt) {  in pointer()
2432 		return symbol_string(buf, end, ptr, spec, fmt);  in pointer()
2435 		return resource_or_range(fmt, buf, end, ptr, spec);  in pointer()
2437 		return hex_string(buf, end, ptr, spec, fmt);  in pointer()
2439 		switch (fmt[1]) {  in pointer()
2441 			return bitmap_list_string(buf, end, ptr, spec, fmt);  in pointer()
2443 			return bitmap_string(buf, end, ptr, spec, fmt);  in pointer()
2449 		return mac_address_string(buf, end, ptr, spec, fmt);  in pointer()
2459 		return ip_addr_string(buf, end, ptr, spec, fmt);  in pointer()
2461 		return escaped_string(buf, end, ptr, spec, fmt);  in pointer()
2463 		return uuid_string(buf, end, ptr, spec, fmt);  in pointer()
2465 		return va_format(buf, end, ptr, spec, fmt);  in pointer()
2469 		return netdev_bits(buf, end, ptr, spec, fmt);  in pointer()
2471 		return fourcc_string(buf, end, ptr, spec, fmt);  in pointer()
2473 		return address_val(buf, end, ptr, spec, fmt);  in pointer()
2475 		return dentry_name(buf, end, ptr, spec, fmt);  in pointer()
2477 		return time_and_date(buf, end, ptr, spec, fmt);  in pointer()
2479 		return clock(buf, end, ptr, spec, fmt);  in pointer()
2481 		return file_dentry_name(buf, end, ptr, spec, fmt);  in pointer()
2484 		return bdev_name(buf, end, ptr, spec, fmt);  in pointer()
2488 		return flags_string(buf, end, ptr, spec, fmt);  in pointer()
2490 		return device_node_string(buf, end, ptr, spec, fmt + 1);  in pointer()
2492 		return fwnode_string(buf, end, ptr, spec, fmt + 1);  in pointer()
2508 		switch (fmt[1]) {  in pointer()
2519 struct fmt {  struct
2561 struct fmt format_decode(struct fmt fmt, struct printf_spec *spec)  in format_decode()  argument
2563 	const char *start = fmt.str;  in format_decode()
2567 	if (unlikely(fmt.state == FORMAT_STATE_WIDTH)) {  in format_decode()
2572 		fmt.state = FORMAT_STATE_NONE;  in format_decode()
2577 	if (unlikely(fmt.state == FORMAT_STATE_PRECISION)) {  in format_decode()
2581 		fmt.state = FORMAT_STATE_NONE;  in format_decode()
2586 	fmt.state = FORMAT_STATE_NONE;  in format_decode()
2588 	for (; *fmt.str ; fmt.str++) {  in format_decode()
2589 		if (*fmt.str == '%')  in format_decode()
2594 	if (fmt.str != start || !*fmt.str)  in format_decode()
2595 		return fmt;  in format_decode()
2601 		flag = spec_flag(*++fmt.str);  in format_decode()
2608 	if (isdigit(*fmt.str))  in format_decode()
2609 		spec->field_width = skip_atoi(&fmt.str);  in format_decode()
2610 	else if (unlikely(*fmt.str == '*')) {  in format_decode()
2612 		fmt.state = FORMAT_STATE_WIDTH;  in format_decode()
2613 		fmt.str++;  in format_decode()
2614 		return fmt;  in format_decode()
2620 	if (unlikely(*fmt.str == '.')) {  in format_decode()
2621 		fmt.str++;  in format_decode()
2622 		if (isdigit(*fmt.str)) {  in format_decode()
2623 			spec->precision = skip_atoi(&fmt.str);  in format_decode()
2626 		} else if (*fmt.str == '*') {  in format_decode()
2628 			fmt.state = FORMAT_STATE_PRECISION;  in format_decode()
2629 			fmt.str++;  in format_decode()
2630 			return fmt;  in format_decode()
2637 	fmt.state = FORMAT_STATE_NUM;  in format_decode()
2638 	fmt.size = sizeof(int);  in format_decode()
2674 	const struct format_state *p = lookup_state + (u8)*fmt.str;  in format_decode()
2676 		fmt.size = p->size;  in format_decode()
2677 		if (p->flags_or_double_size && fmt.str[0] == fmt.str[1]) {  in format_decode()
2678 			fmt.size = p->flags_or_double_size;  in format_decode()
2679 			fmt.str++;  in format_decode()
2681 		fmt.str++;  in format_decode()
2682 		p = lookup_state + *fmt.str;  in format_decode()
2688 		fmt.state = p->state;  in format_decode()
2689 		fmt.str++;  in format_decode()
2690 		return fmt;  in format_decode()
2693 	WARN_ONCE(1, "Please remove unsupported %%%c in format string\n", *fmt.str);  in format_decode()
2694 	fmt.state = FORMAT_STATE_INVALID;  in format_decode()
2695 	return fmt;  in format_decode()
2764 	struct fmt fmt = {  in vsnprintf()  local
2783 	while (*fmt.str) {  in vsnprintf()
2784 		const char *old_fmt = fmt.str;  in vsnprintf()
2786 		fmt = format_decode(fmt, &spec);  in vsnprintf()
2788 		switch (fmt.state) {  in vsnprintf()
2790 			int read = fmt.str - old_fmt;  in vsnprintf()
2803 			if (fmt.size <= sizeof(int))  in vsnprintf()
2804 				num = convert_num_spec(va_arg(args, int), fmt.size, spec);  in vsnprintf()
2847 			str = pointer(fmt.str, str, end, va_arg(args, void *),  in vsnprintf()
2849 			while (isalnum(*fmt.str))  in vsnprintf()
2850 				fmt.str++;  in vsnprintf()
2901 int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)  in vscnprintf()  argument
2908 	i = vsnprintf(buf, size, fmt, args);  in vscnprintf()
2931 int snprintf(char *buf, size_t size, const char *fmt, ...)  in snprintf()  argument
2936 	va_start(args, fmt);  in snprintf()
2937 	i = vsnprintf(buf, size, fmt, args);  in snprintf()
2955 int scnprintf(char *buf, size_t size, const char *fmt, ...)  in scnprintf()  argument
2960 	va_start(args, fmt);  in scnprintf()
2961 	i = vscnprintf(buf, size, fmt, args);  in scnprintf()
2982 int vsprintf(char *buf, const char *fmt, va_list args)  in vsprintf()  argument
2984 	return vsnprintf(buf, INT_MAX, fmt, args);  in vsprintf()
3000 int sprintf(char *buf, const char *fmt, ...)  in sprintf()  argument
3005 	va_start(args, fmt);  in sprintf()
3006 	i = vsnprintf(buf, INT_MAX, fmt, args);  in sprintf()
3039 	struct fmt fmt = {  in vbin_printf()  local
3074 	while (*fmt.str) {  in vbin_printf()
3075 		fmt = format_decode(fmt, &spec);  in vbin_printf()
3077 		switch (fmt.state) {  in vbin_printf()
3088 			if (*fmt.str == 'p')  in vbin_printf()
3114 			switch (*fmt.str) {  in vbin_printf()
3124 				if (!isalnum(*fmt.str)) {  in vbin_printf()
3128 				str = pointer(fmt.str, str, end, va_arg(args, void *),  in vbin_printf()
3136 			while (isalnum(*fmt.str))  in vbin_printf()
3137 				fmt.str++;  in vbin_printf()
3141 			if (fmt.size > sizeof(int)) {  in vbin_printf()
3179 	struct fmt fmt = {  in bstr_printf()  local
3214 	while (*fmt.str) {  in bstr_printf()
3215 		const char *old_fmt = fmt.str;  in bstr_printf()
3218 		fmt = format_decode(fmt, &spec);  in bstr_printf()
3219 		switch (fmt.state) {  in bstr_printf()
3221 			int read = fmt.str - old_fmt;  in bstr_printf()
3273 			switch (*fmt.str) {  in bstr_printf()
3282 				if (!isalnum(*fmt.str)) {  in bstr_printf()
3297 				str = pointer(fmt.str, str, end, get_arg(void *), spec);  in bstr_printf()
3299 			while (isalnum(*fmt.str))  in bstr_printf()
3300 				fmt.str++;  in bstr_printf()
3314 			if (fmt.size > sizeof(int)) {  in bstr_printf()
3317 				num = convert_num_spec(get_arg(int), fmt.size, spec);  in bstr_printf()
3347 int vsscanf(const char *buf, const char *fmt, va_list args)  in vsscanf()  argument
3362 	while (*fmt) {  in vsscanf()
3367 		if (isspace(*fmt)) {  in vsscanf()
3368 			fmt = skip_spaces(++fmt);  in vsscanf()
3373 		if (*fmt != '%' && *fmt) {  in vsscanf()
3374 			if (*fmt++ != *str++)  in vsscanf()
3379 		if (!*fmt)  in vsscanf()
3381 		++fmt;  in vsscanf()
3386 		if (*fmt == '*') {  in vsscanf()
3389 			while (!isspace(*fmt) && *fmt != '%' && *fmt) {  in vsscanf()
3391 				if (*fmt == '[')  in vsscanf()
3393 				fmt++;  in vsscanf()
3402 		if (isdigit(*fmt)) {  in vsscanf()
3403 			field_width = skip_atoi(&fmt);  in vsscanf()
3410 		if (*fmt == 'h' || _tolower(*fmt) == 'l' ||  in vsscanf()
3411 		    *fmt == 'z') {  in vsscanf()
3412 			qualifier = *fmt++;  in vsscanf()
3413 			if (unlikely(qualifier == *fmt)) {  in vsscanf()
3416 					fmt++;  in vsscanf()
3419 					fmt++;  in vsscanf()
3424 		if (!*fmt)  in vsscanf()
3427 		if (*fmt == 'n') {  in vsscanf()
3430 			++fmt;  in vsscanf()
3440 		switch (*fmt++) {  in vsscanf()
3487 			bool negate = (*fmt == '^');  in vsscanf()
3494 				++fmt;  in vsscanf()
3496 			for ( ; *fmt && *fmt != ']'; ++fmt, ++len)  in vsscanf()
3497 				__set_bit((u8)*fmt, set);  in vsscanf()
3500 			if (!*fmt || !len)  in vsscanf()
3502 			++fmt;  in vsscanf()
3624 int sscanf(const char *buf, const char *fmt, ...)  in sscanf()  argument
3629 	va_start(args, fmt);  in sscanf()
3630 	i = vsscanf(buf, fmt, args);  in sscanf()