23 	void (*putc)(struct printf_info *info, char ch);
26 static void putc_normal(struct printf_info *info, char ch)  in putc_normal()  argument
31 static void out(struct printf_info *info, char c)  in out()  argument
33 	*info->bf++ = c;  in out()
36 static void out_dgt(struct printf_info *info, char dgt)  in out_dgt()  argument
38 	out(info, dgt + (dgt < 10 ? '0' : 'a' - 10));  in out_dgt()
39 	info->zs = 1;  in out_dgt()
42 static void div_out(struct printf_info *info, unsigned long *num,  in div_out()  argument
52 	if (info->zs || dgt > 0)  in div_out()
53 		out_dgt(info, dgt);  in div_out()
57 static void string(struct printf_info *info, char *s)  in string()  argument
62 		out(info, ch);  in string()
76 static void mac_address_string(struct printf_info *info, u8 *addr,  in mac_address_string()  argument
91 	string(info, mac_addr);  in mac_address_string()
130 static void ip4_addr_string(struct printf_info *info, u8 *addr)  in ip4_addr_string()  argument
148 	string(info, ip4_addr);  in ip4_addr_string()
166 static void pointer(struct printf_info *info, const char *fmt, void *ptr)  in pointer()  argument
187 		return mac_address_string(info, ptr, false);  in pointer()
189 		return mac_address_string(info, ptr, true);  in pointer()
192 			return ip4_addr_string(info, ptr);  in pointer()
200 		div_out(info, &num, div);  in pointer()
204 static int _vprintf(struct printf_info *info, const char *fmt, va_list va)  in _vprintf()  argument
214 			info->putc(info, ch);  in _vprintf()
241 			info->bf = buf;  in _vprintf()
242 			p = info->bf;  in _vprintf()
243 			info->zs = 0;  in _vprintf()
262 						out(info, '-');  in _vprintf()
265 						out(info, '-');  in _vprintf()
269 					out_dgt(info, 0);  in _vprintf()
272 						div_out(info, &num, div);  in _vprintf()
284 					out_dgt(info, 0);  in _vprintf()
287 						div_out(info, &num, div);  in _vprintf()
291 				out(info, (char)(va_arg(va, int)));  in _vprintf()
297 				pointer(info, fmt, va_arg(va, void *));  in _vprintf()
302 				out(info, '%');  in _vprintf()
307 			*info->bf = 0;  in _vprintf()
308 			info->bf = p;  in _vprintf()
309 			while (*info->bf++ && width > 0)  in _vprintf()
312 				info->putc(info, lz ? '0' : ' ');  in _vprintf()
315 					info->putc(info, ch);  in _vprintf()
326 	struct printf_info info;  in vprintf()  local
328 	info.putc = putc_normal;  in vprintf()
329 	return _vprintf(&info, fmt, va);  in vprintf()
334 	struct printf_info info;  in printf()  local
339 	info.putc = putc_normal;  in printf()
341 	ret = _vprintf(&info, fmt, va);  in printf()
347 static void putc_outstr(struct printf_info *info, char ch)  in putc_outstr()  argument
349 	*info->outstr++ = ch;  in putc_outstr()
354 	struct printf_info info;  in sprintf()  local
359 	info.outstr = buf;  in sprintf()
360 	info.putc = putc_outstr;  in sprintf()
361 	ret = _vprintf(&info, fmt, va);  in sprintf()
363 	*info.outstr = '\0';  in sprintf()
371 	struct printf_info info;  in snprintf()  local
376 	info.outstr = buf;  in snprintf()
377 	info.putc = putc_outstr;  in snprintf()
378 	ret = _vprintf(&info, fmt, va);  in snprintf()
380 	*info.outstr = '\0';  in snprintf()