465 char *number(char *buf, char *end, unsigned long long num,  in number()  argument
529 			if (buf < end)  in number()
536 		if (buf < end)  in number()
543 			if (buf < end)  in number()
548 			if (buf < end)  in number()
558 			if (buf < end)  in number()
565 		if (buf < end)  in number()
571 		if (buf < end)  in number()
577 		if (buf < end)  in number()
594 char *special_hex_number(char *buf, char *end, unsigned long long num, int size)  in special_hex_number()  argument
596 	return number(buf, end, num, special_hex_spec(size));  in special_hex_number()
599 static void move_right(char *buf, char *end, unsigned len, unsigned spaces)  in move_right()  argument
602 	if (buf >= end)	/* nowhere to put anything */  in move_right()
604 	size = end - buf;  in move_right()
626 char *widen_string(char *buf, int n, char *end, struct printf_spec spec)  in widen_string()  argument
635 		move_right(buf - n, end, n, spaces);  in widen_string()
639 		if (buf < end)  in widen_string()
647 static char *string_nocheck(char *buf, char *end, const char *s,  in string_nocheck()  argument
657 		if (buf < end)  in string_nocheck()
662 	return widen_string(buf, len, end, spec);  in string_nocheck()
665 static char *err_ptr(char *buf, char *end, void *ptr,  in err_ptr()  argument
672 		return string_nocheck(buf, end, sym, spec);  in err_ptr()
681 	return number(buf, end, err, spec);  in err_ptr()
685 static char *error_string(char *buf, char *end, const char *s,  in error_string()  argument
696 	return string_nocheck(buf, end, s, spec);  in error_string()
715 static int check_pointer(char **buf, char *end, const void *ptr,  in check_pointer()  argument
722 		*buf = error_string(*buf, end, err_msg, spec);  in check_pointer()
730 char *string(char *buf, char *end, const char *s,  in string()  argument
733 	if (check_pointer(&buf, end, s, spec))  in string()
736 	return string_nocheck(buf, end, s, spec);  in string()
739 static char *pointer_string(char *buf, char *end,  in pointer_string()  argument
750 	return number(buf, end, (unsigned long int)ptr, spec);  in pointer_string()
815 static char *ptr_to_id(char *buf, char *end, const void *ptr,  in ptr_to_id()  argument
827 		return pointer_string(buf, end, ptr, spec);  in ptr_to_id()
832 		return pointer_string(buf, end, (const void *)hashval, spec);  in ptr_to_id()
839 		return error_string(buf, end, str, spec);  in ptr_to_id()
842 	return pointer_string(buf, end, (const void *)hashval, spec);  in ptr_to_id()
845 static char *default_pointer(char *buf, char *end, const void *ptr,  in default_pointer()  argument
853 		return pointer_string(buf, end, ptr, spec);  in default_pointer()
855 	return ptr_to_id(buf, end, ptr, spec);  in default_pointer()
861 char *restricted_pointer(char *buf, char *end, const void *ptr,  in restricted_pointer()  argument
867 		return default_pointer(buf, end, ptr, spec);  in restricted_pointer()
878 			return error_string(buf, end, "pK-error", spec);  in restricted_pointer()
904 	return pointer_string(buf, end, ptr, spec);  in restricted_pointer()
908 char *dentry_name(char *buf, char *end, const struct dentry *d, struct printf_spec spec,  in dentry_name()  argument
926 		if (check_pointer(&buf, end, d, spec)) {  in dentry_name()
949 		if (buf < end)  in dentry_name()
953 	return widen_string(buf, n, end, spec);  in dentry_name()
957 char *file_dentry_name(char *buf, char *end, const struct file *f,  in file_dentry_name()  argument
960 	if (check_pointer(&buf, end, f, spec))  in file_dentry_name()
963 	return dentry_name(buf, end, f->f_path.dentry, spec, fmt);  in file_dentry_name()
967 char *bdev_name(char *buf, char *end, struct block_device *bdev,  in bdev_name()  argument
972 	if (check_pointer(&buf, end, bdev, spec))  in bdev_name()
976 	buf = string(buf, end, hd->disk_name, spec);  in bdev_name()
979 			if (buf < end)  in bdev_name()
983 		buf = number(buf, end, bdev_partno(bdev), spec);  in bdev_name()
990 char *symbol_string(char *buf, char *end, void *ptr,  in symbol_string()  argument
1014 	return string_nocheck(buf, end, sym, spec);  in symbol_string()
1016 	return special_hex_number(buf, end, value, sizeof(void *));  in symbol_string()
1051 char *hex_range(char *buf, char *end, u64 start_val, u64 end_val,  in hex_range()  argument
1054 	buf = number(buf, end, start_val, spec);  in hex_range()
1058 	if (buf < end)  in hex_range()
1061 	return number(buf, end, end_val, spec);  in hex_range()
1065 char *resource_string(char *buf, char *end, struct resource *res,  in resource_string()  argument
1112 	if (check_pointer(&buf, end, res, spec))  in resource_string()
1140 		p = hex_range(p, pend, res->start, res->end, *specp);  in resource_string()
1158 	return string_nocheck(buf, end, sym, spec);  in resource_string()
1162 char *range_string(char *buf, char *end, const struct range *range,  in range_string()  argument
1168 	if (check_pointer(&buf, end, range, spec))  in range_string()
1172 	p = hex_range(p, pend, range->start, range->end, special_hex_spec(sizeof(range->start)));  in range_string()
1176 	return string_nocheck(buf, end, sym, spec);  in range_string()
1180 char *hex_string(char *buf, char *end, u8 *addr, struct printf_spec spec,  in hex_string()  argument
1191 	if (check_pointer(&buf, end, addr, spec))  in hex_string()
1213 		if (buf < end)  in hex_string()
1216 		if (buf < end)  in hex_string()
1221 			if (buf < end)  in hex_string()
1231 char *bitmap_string(char *buf, char *end, const unsigned long *bitmap,  in bitmap_string()  argument
1239 	if (check_pointer(&buf, end, bitmap, spec))  in bitmap_string()
1260 			if (buf < end)  in bitmap_string()
1267 		buf = number(buf, end, val, spec);  in bitmap_string()
1275 char *bitmap_list_string(char *buf, char *end, const unsigned long *bitmap,  in bitmap_list_string()  argument
1282 	if (check_pointer(&buf, end, bitmap, spec))  in bitmap_list_string()
1287 			if (buf < end)  in bitmap_list_string()
1293 		buf = number(buf, end, rbot, default_dec_spec);  in bitmap_list_string()
1297 		if (buf < end)  in bitmap_list_string()
1299 		buf = number(++buf, end, rtop - 1, default_dec_spec);  in bitmap_list_string()
1305 char *mac_address_string(char *buf, char *end, u8 *addr,  in mac_address_string()  argument
1314 	if (check_pointer(&buf, end, addr, spec))  in mac_address_string()
1342 	return string_nocheck(buf, end, mac_addr, spec);  in mac_address_string()
1495 char *ip6_addr_string(char *buf, char *end, const u8 *addr,  in ip6_addr_string()  argument
1505 	return string_nocheck(buf, end, ip6_addr, spec);  in ip6_addr_string()
1509 char *ip4_addr_string(char *buf, char *end, const u8 *addr,  in ip4_addr_string()  argument
1516 	return string_nocheck(buf, end, ip4_addr, spec);  in ip4_addr_string()
1520 char *ip6_addr_string_sa(char *buf, char *end, const struct sockaddr_in6 *sa,  in ip6_addr_string_sa()  argument
1578 	return string_nocheck(buf, end, ip6_addr, spec);  in ip6_addr_string_sa()
1582 char *ip4_addr_string_sa(char *buf, char *end, const struct sockaddr_in *sa,  in ip4_addr_string_sa()  argument
1613 	return string_nocheck(buf, end, ip4_addr, spec);  in ip4_addr_string_sa()
1617 char *ip_addr_string(char *buf, char *end, const void *ptr,  in ip_addr_string()  argument
1622 	if (check_pointer(&buf, end, ptr, spec))  in ip_addr_string()
1627 		return ip6_addr_string(buf, end, ptr, spec, fmt);  in ip_addr_string()
1629 		return ip4_addr_string(buf, end, ptr, spec, fmt);  in ip_addr_string()
1639 			return ip4_addr_string_sa(buf, end, &sa->v4, spec, fmt);  in ip_addr_string()
1641 			return ip6_addr_string_sa(buf, end, &sa->v6, spec, fmt);  in ip_addr_string()
1643 			return error_string(buf, end, "(einval)", spec);  in ip_addr_string()
1648 	return error_string(buf, end, err_fmt_msg, spec);  in ip_addr_string()
1652 char *escaped_string(char *buf, char *end, u8 *addr, struct printf_spec spec,  in escaped_string()  argument
1663 	if (check_pointer(&buf, end, addr, spec))  in escaped_string()
1705 	buf += string_escape_mem(addr, len, buf, buf < end ? end - buf : 0, flags, NULL);  in escaped_string()
1713 static char *va_format(char *buf, char *end, struct va_format *va_fmt,  in va_format()  argument
1718 	if (check_pointer(&buf, end, va_fmt, spec))  in va_format()
1722 	buf += vsnprintf(buf, end > buf ? end - buf : 0, va_fmt->fmt, va);  in va_format()
1730 char *uuid_string(char *buf, char *end, const u8 *addr,  in uuid_string()  argument
1739 	if (check_pointer(&buf, end, addr, spec))  in uuid_string()
1771 	return string_nocheck(buf, end, uuid, spec);  in uuid_string()
1775 char *netdev_bits(char *buf, char *end, const void *addr,  in netdev_bits()  argument
1781 	if (check_pointer(&buf, end, addr, spec))  in netdev_bits()
1790 		return error_string(buf, end, "(%pN?)", spec);  in netdev_bits()
1793 	return special_hex_number(buf, end, num, size);  in netdev_bits()
1797 char *fourcc_string(char *buf, char *end, const u32 *fourcc,  in fourcc_string()  argument
1807 		return error_string(buf, end, "(%p4?)", spec);  in fourcc_string()
1809 	if (check_pointer(&buf, end, fourcc, spec))  in fourcc_string()
1829 		return error_string(buf, end, "(%p4?)", spec);  in fourcc_string()
1853 	return string(buf, end, output, spec);  in fourcc_string()
1857 char *address_val(char *buf, char *end, const void *addr,  in address_val()  argument
1863 	if (check_pointer(&buf, end, addr, spec))  in address_val()
1878 	return special_hex_number(buf, end, num, size);  in address_val()
1882 char *date_str(char *buf, char *end, const struct rtc_time *tm, bool r)  in date_str()  argument
1887 	buf = number(buf, end, year, default_dec04_spec);  in date_str()
1888 	if (buf < end)  in date_str()
1892 	buf = number(buf, end, mon, default_dec02_spec);  in date_str()
1893 	if (buf < end)  in date_str()
1897 	return number(buf, end, tm->tm_mday, default_dec02_spec);  in date_str()
1901 char *time_str(char *buf, char *end, const struct rtc_time *tm, bool r)  in time_str()  argument
1903 	buf = number(buf, end, tm->tm_hour, default_dec02_spec);  in time_str()
1904 	if (buf < end)  in time_str()
1908 	buf = number(buf, end, tm->tm_min, default_dec02_spec);  in time_str()
1909 	if (buf < end)  in time_str()
1913 	return number(buf, end, tm->tm_sec, default_dec02_spec);  in time_str()
1917 char *rtc_str(char *buf, char *end, const struct rtc_time *tm,  in rtc_str()  argument
1951 		buf = date_str(buf, end, tm, raw);  in rtc_str()
1953 		if (buf < end)  in rtc_str()
1958 		buf = time_str(buf, end, tm, raw);  in rtc_str()
1964 char *time64_str(char *buf, char *end, const time64_t time,  in time64_str()  argument
1983 	return rtc_str(buf, end, &rtc_time, spec, fmt);  in time64_str()
1987 char *timespec64_str(char *buf, char *end, const struct timespec64 *ts,  in timespec64_str()  argument
1998 		buf = number(buf, end, ts->tv_sec, default_dec_spec);  in timespec64_str()
2000 		buf = time64_str(buf, end, ts->tv_sec, spec, fmt);  in timespec64_str()
2001 	if (buf < end)  in timespec64_str()
2005 	return number(buf, end, ts->tv_nsec, default_dec09_spec);  in timespec64_str()
2009 char *time_and_date(char *buf, char *end, void *ptr, struct printf_spec spec,  in time_and_date()  argument
2012 	if (check_pointer(&buf, end, ptr, spec))  in time_and_date()
2017 		return rtc_str(buf, end, (const struct rtc_time *)ptr, spec, fmt);  in time_and_date()
2019 		return timespec64_str(buf, end, (const struct timespec64 *)ptr, spec, fmt);  in time_and_date()
2021 		return time64_str(buf, end, *(const time64_t *)ptr, spec, fmt);  in time_and_date()
2023 		return error_string(buf, end, "(%pt?)", spec);  in time_and_date()
2028 char *clock(char *buf, char *end, struct clk *clk, struct printf_spec spec,  in clock()  argument
2032 		return error_string(buf, end, "(%pC?)", spec);  in clock()
2034 	if (check_pointer(&buf, end, clk, spec))  in clock()
2038 	return string(buf, end, __clk_get_name(clk), spec);  in clock()
2040 	return ptr_to_id(buf, end, clk, spec);  in clock()
2045 char *format_flags(char *buf, char *end, unsigned long flags,  in format_flags()  argument
2055 		buf = string(buf, end, names->name, default_str_spec);  in format_flags()
2059 			if (buf < end)  in format_flags()
2066 		buf = number(buf, end, flags, default_flag_spec);  in format_flags()
2093 char *format_page_flags(char *buf, char *end, unsigned long flags)  in format_page_flags()  argument
2099 	buf = number(buf, end, flags, default_flag_spec);  in format_page_flags()
2100 	if (buf < end)  in format_page_flags()
2106 		buf = format_flags(buf, end, main_flags, pageflag_names);  in format_page_flags()
2118 			if (buf < end)  in format_page_flags()
2123 		buf = string(buf, end, pff[i].name, default_str_spec);  in format_page_flags()
2124 		if (buf < end)  in format_page_flags()
2127 		buf = number(buf, end, (flags >> pff[i].shift) & pff[i].mask,  in format_page_flags()
2132 	if (buf < end)  in format_page_flags()
2140 char *flags_string(char *buf, char *end, void *flags_ptr,  in flags_string()  argument
2146 	if (check_pointer(&buf, end, flags_ptr, spec))  in flags_string()
2151 		return format_page_flags(buf, end, *(unsigned long *)flags_ptr);  in flags_string()
2161 		return error_string(buf, end, "(%pG?)", spec);  in flags_string()
2164 	return format_flags(buf, end, flags, names);  in flags_string()
2169 			      char *end)  in fwnode_full_name_string()  argument
2182 		buf = string(buf, end, fwnode_get_name_prefix(__fwnode),  in fwnode_full_name_string()
2184 		buf = string(buf, end, fwnode_get_name(__fwnode),  in fwnode_full_name_string()
2195 char *device_node_string(char *buf, char *end, struct device_node *dn,  in device_node_string()  argument
2209 		return error_string(buf, end, "(%pO?)", spec);  in device_node_string()
2212 		return error_string(buf, end, "(%pOF?)", spec);  in device_node_string()
2214 	if (check_pointer(&buf, end, dn, spec))  in device_node_string()
2225 			if (buf < end)  in device_node_string()
2233 						      end);  in device_node_string()
2239 			buf = string(buf, end, p, str_spec);  in device_node_string()
2243 			buf = number(buf, end, (unsigned int)dn->phandle, default_dec_spec);  in device_node_string()
2249 			buf = string(buf, end, p, str_spec);  in device_node_string()
2257 			buf = string_nocheck(buf, end, tbuf, str_spec);  in device_node_string()
2262 				buf = string(buf, end, p, str_spec);  in device_node_string()
2268 					buf = string_nocheck(buf, end, ",", str_spec);  in device_node_string()
2269 				buf = string_nocheck(buf, end, "\"", str_spec);  in device_node_string()
2270 				buf = string(buf, end, p, str_spec);  in device_node_string()
2271 				buf = string_nocheck(buf, end, "\"", str_spec);  in device_node_string()
2281 	return widen_string(buf, buf - buf_start, end, spec);  in device_node_string()
2285 char *fwnode_string(char *buf, char *end, struct fwnode_handle *fwnode,  in fwnode_string()  argument
2294 		return error_string(buf, end, "(%pf?)", spec);  in fwnode_string()
2296 	if (check_pointer(&buf, end, fwnode, spec))  in fwnode_string()
2303 		buf = string(buf, end, fwnode_get_name(fwnode), str_spec);  in fwnode_string()
2307 		buf = fwnode_full_name_string(fwnode, buf, end);  in fwnode_string()
2311 	return widen_string(buf, buf - buf_start, end, spec);  in fwnode_string()
2315 char *resource_or_range(const char *fmt, char *buf, char *end, void *ptr,  in resource_or_range()  argument
2319 		return range_string(buf, end, ptr, spec, fmt);  in resource_or_range()
2320 	return resource_string(buf, end, ptr, spec, fmt);  in resource_or_range()
2526 char *pointer(const char *fmt, char *buf, char *end, void *ptr,  in pointer()  argument
2535 		return symbol_string(buf, end, ptr, spec, fmt);  in pointer()
2538 		return resource_or_range(fmt, buf, end, ptr, spec);  in pointer()
2540 		return hex_string(buf, end, ptr, spec, fmt);  in pointer()
2544 			return bitmap_list_string(buf, end, ptr, spec, fmt);  in pointer()
2546 			return bitmap_string(buf, end, ptr, spec, fmt);  in pointer()
2552 		return mac_address_string(buf, end, ptr, spec, fmt);  in pointer()
2562 		return ip_addr_string(buf, end, ptr, spec, fmt);  in pointer()
2564 		return escaped_string(buf, end, ptr, spec, fmt);  in pointer()
2566 		return uuid_string(buf, end, ptr, spec, fmt);  in pointer()
2568 		return va_format(buf, end, ptr, spec);  in pointer()
2570 		return restricted_pointer(buf, end, ptr, spec);  in pointer()
2572 		return netdev_bits(buf, end, ptr, spec, fmt);  in pointer()
2574 		return fourcc_string(buf, end, ptr, spec, fmt);  in pointer()
2576 		return address_val(buf, end, ptr, spec, fmt);  in pointer()
2578 		return dentry_name(buf, end, ptr, spec, fmt);  in pointer()
2580 		return time_and_date(buf, end, ptr, spec, fmt);  in pointer()
2582 		return clock(buf, end, ptr, spec, fmt);  in pointer()
2584 		return file_dentry_name(buf, end, ptr, spec, fmt);  in pointer()
2587 		return bdev_name(buf, end, ptr, spec, fmt);  in pointer()
2591 		return flags_string(buf, end, ptr, spec, fmt);  in pointer()
2593 		return device_node_string(buf, end, ptr, spec, fmt + 1);  in pointer()
2595 		return fwnode_string(buf, end, ptr, spec, fmt + 1);  in pointer()
2599 			return error_string(buf, end, "(%pA?)", spec);  in pointer()
2601 		return rust_fmt_argument(buf, end, ptr);  in pointer()
2603 		return pointer_string(buf, end, ptr, spec);  in pointer()
2607 			return default_pointer(buf, end, ptr, spec);  in pointer()
2608 		return err_ptr(buf, end, ptr, spec);  in pointer()
2613 			return string(buf, end, ptr, spec);  in pointer()
2615 			return error_string(buf, end, "(einval)", spec);  in pointer()
2618 		return default_pointer(buf, end, ptr, spec);  in pointer()
2865 	char *str, *end;  in vsnprintf()  local
2878 	end = buf + size;  in vsnprintf()
2881 	if (end < buf) {  in vsnprintf()
2882 		end = ((void *)-1);  in vsnprintf()
2883 		size = end - buf;  in vsnprintf()
2894 			if (str < end) {  in vsnprintf()
2896 				if (copy > end - str)  in vsnprintf()
2897 					copy = end - str;  in vsnprintf()
2911 			str = number(str, end, num, spec);  in vsnprintf()
2928 					if (str < end)  in vsnprintf()
2935 			if (str < end)  in vsnprintf()
2939 				if (str < end)  in vsnprintf()
2947 			str = string(str, end, va_arg(args, char *), spec);  in vsnprintf()
2951 			str = pointer(fmt.str, str, end, va_arg(args, void *),  in vsnprintf()
2958 			if (str < end)  in vsnprintf()
2978 		if (str < end)  in vsnprintf()
2981 			end[-1] = '\0';  in vsnprintf()
3148 	char *str, *end;  in vbin_printf()  local
3152 	end = (char *)(bin_buf + size);  in vbin_printf()
3161 		if (str + sizeof(type) <= end) {			\  in vbin_printf()
3170 		if (str + sizeof(type) <= end)				\  in vbin_printf()
3210 			if (str + len < end)  in vbin_printf()
3232 				str = pointer(fmt.str, str, end, va_arg(args, void *),  in vbin_printf()
3234 				if (str + 1 < end)  in vbin_printf()
3237 					end[-1] = '\0'; /* Must be nul terminated */  in vbin_printf()
3288 	char *str, *end;  in bstr_printf()  local
3295 	end = buf + size;  in bstr_printf()
3313 	if (end < buf) {  in bstr_printf()
3314 		end = ((void *)-1);  in bstr_printf()
3315 		size = end - buf;  in bstr_printf()
3326 			if (str < end) {  in bstr_printf()
3328 				if (copy > end - str)  in bstr_printf()
3329 					copy = end - str;  in bstr_printf()
3349 					if (str < end)  in bstr_printf()
3355 			if (str < end)  in bstr_printf()
3359 				if (str < end)  in bstr_printf()
3369 			str = string(str, end, (char *)str_arg, spec);  in bstr_printf()
3391 				if (str < end) {  in bstr_printf()
3393 					if (copy > end - str)  in bstr_printf()
3394 						copy = end - str;  in bstr_printf()
3401 				str = pointer(fmt.str, str, end, get_arg(void *), spec);  in bstr_printf()
3409 			if (str < end)  in bstr_printf()
3422 			str = number(str, end, num, spec);  in bstr_printf()
3429 		if (str < end)  in bstr_printf()
3432 			end[-1] = '\0';  in bstr_printf()