25 static char *write_num(char *str, ul num, int base, int field_width, int precision, int flags);
27 static char *write_float_point_num(char *str, double num, int field_width, int precision, int flags…
60     char *str = NULL, *s = NULL, *end = NULL;  in __do_vsprintf()  local
62     str = buf;  in __do_vsprintf()
80             *str = *fmt;  in __do_vsprintf()
81             ++str;  in __do_vsprintf()
185             *str++ = '%';  in __do_vsprintf()
195                     *str = ' ';  in __do_vsprintf()
196                     ++str;  in __do_vsprintf()
200             *str++ = (unsigned char)va_arg(args, int);  in __do_vsprintf()
204                 *str = ' ';  in __do_vsprintf()
205                 ++str;  in __do_vsprintf()
231                     *str = ' ';  in __do_vsprintf()
232                     ++str;  in __do_vsprintf()
237                 *str = *s;  in __do_vsprintf()
239                 ++str;  in __do_vsprintf()
244                 *str = ' ';  in __do_vsprintf()
245                 ++str;  in __do_vsprintf()
255                 str = write_num(str, va_arg(args, long long), 8, field_width, precision, flags);  in __do_vsprintf()
257                 str = write_num(str, va_arg(args, int), 8, field_width, precision, flags);  in __do_vsprintf()
268 …      str = write_num(str, (unsigned long)va_arg(args, void *), 16, field_width, precision, flags);  in __do_vsprintf()
278                 str = write_num(str, va_arg(args, ll), 16, field_width, precision, flags);  in __do_vsprintf()
280                 str = write_num(str, va_arg(args, int), 16, field_width, precision, flags);  in __do_vsprintf()
289                 str = write_num(str, va_arg(args, long long), 10, field_width, precision, flags);  in __do_vsprintf()
291                 str = write_num(str, va_arg(args, int), 10, field_width, precision, flags);  in __do_vsprintf()
297 …         str = write_num(str, va_arg(args, unsigned long long), 10, field_width, precision, flags);  in __do_vsprintf()
299                 str = write_num(str, va_arg(args, unsigned int), 10, field_width, precision, flags);  in __do_vsprintf()
310             *ip = str - buf;  in __do_vsprintf()
321             str = write_float_point_num(str, va_arg(args, double), field_width, precision, flags);  in __do_vsprintf()
327             *str++ = '%';  in __do_vsprintf()
329                 *str++ = *fmt;  in __do_vsprintf()
338         if (str < end)  in __do_vsprintf()
340             *str = '\0';  in __do_vsprintf()
350         *str = '\0';  in __do_vsprintf()
354     return str - buf;  in __do_vsprintf()
383 static char *write_num(char *str, ul num, int base, int field_width, int precision, int flags)  in write_num()  argument
463             *str++ = ' ';  in write_num()
466         *str++ = sign;  in write_num()
470             *str++ = '0';  in write_num()
471             *str++ = digits[33];  in write_num()
474             *str++ = digits[24]; //注意这里是英文字母O或者o  in write_num()
477             *str++ = pad;  in write_num()
481         *str++ = '0';  in write_num()
485         *str++ = tmp_num[js_num];  in write_num()
488         *str++ = ' ';  in write_num()
490     return str;  in write_num()
493 static char *write_float_point_num(char *str, double num, int field_width, int precision, int flags)  in write_float_point_num()  argument
557             *str++ = pad;  in write_float_point_num()
560         *str++ = sign;  in write_float_point_num()
565         *str++ = tmp_num_z[js_num_z - 1];  in write_float_point_num()
568     *str++ = '.';  in write_float_point_num()
573         *str++ = tmp_num_d[js_num_d];  in write_float_point_num()
578         *str++ = '0';  in write_float_point_num()
582         *str++ = ' ';  in write_float_point_num()
584     return str;  in write_float_point_num()