29 sf_putc(struct sf_buf *b, char c)  in sf_putc()  argument
31 	if (b->n > 0 && (size_t)b->pos < b->n - 1)  in sf_putc()
32 		b->s[b->pos] = c;  in sf_putc()
33 	b->pos++;  in sf_putc()
40 sf_write(struct sf_buf *b, const char *src, int len)  in sf_write()  argument
45 		sf_putc(b, src[i]);  in sf_write()
52 sf_puts(struct sf_buf *b, const char *src)  in sf_puts()  argument
55 		sf_putc(b, *src++);  in sf_puts()
62 sf_padc(struct sf_buf *b, char c, int count)  in sf_padc()  argument
67 		sf_putc(b, c);  in sf_padc()
74 sf_seal(struct sf_buf *b)  in sf_seal()  argument
76 	if (b->n > 0)  in sf_seal()
77 		b->s[(size_t)b->pos < b->n ? b->pos : b->n - 1] = '\0';  in sf_seal()
86 sf_putdp(struct sf_buf *b)  in sf_putdp()  argument
88 	sf_puts(b, localeconv()->decimal_point);  in sf_putdp()
98 sf_emit_exp(struct sf_buf *b, char ec, int exp, int mindig)  in sf_emit_exp()  argument
103 	sf_putc(b, ec);  in sf_emit_exp()
105 		sf_putc(b, '-');  in sf_emit_exp()
108 		sf_putc(b, '+');  in sf_emit_exp()
119 		sf_putc(b, buf[--len]);  in sf_emit_exp()
167 	struct sf_buf b;  in __sf_edoofus()  local
170 	b.s = s;  in __sf_edoofus()
171 	b.n = n;  in __sf_edoofus()
172 	b.pos = 0;  in __sf_edoofus()
173 	sf_puts(&b, "EDOOFUS");  in __sf_edoofus()
174 	sf_seal(&b);  in __sf_edoofus()
175 	return (b.pos);  in __sf_edoofus()
184 sf_special(struct sf_buf *b, char conv, int signflag, int is_nan)  in sf_special()  argument
188 	b->pos = 0;  in sf_special()
191 		sf_putc(b, '-');  in sf_special()
192 	sf_puts(b, is_nan ? (upper ? "NAN" : "nan") : (upper ? "INF" : "inf"));  in sf_special()
193 	sf_seal(b);  in sf_special()
194 	return (b->pos);  in sf_special()
205 sf_efmt(struct sf_buf *b, int prec, char conv,  in sf_efmt()  argument
210 	b->pos = 0;  in sf_efmt()
212 		sf_putc(b, '-');  in sf_efmt()
217 	sf_putc(b, ndig > 0 ? digits[0] : '0');  in sf_efmt()
220 		sf_putdp(b);  in sf_efmt()
223 		sf_write(b, digits + 1, copy);  in sf_efmt()
224 		sf_padc(b, '0', prec - copy);  in sf_efmt()
226 	sf_emit_exp(b, isupper((unsigned char)conv) ? 'E' : 'e', decpt - 1, 2);  in sf_efmt()
228 	sf_seal(b);  in sf_efmt()
229 	return (b->pos);  in sf_efmt()
239 sf_ffmt(struct sf_buf *b, int prec, int signflag,  in sf_ffmt()  argument
244 	b->pos = 0;  in sf_ffmt()
246 		sf_putc(b, '-');  in sf_ffmt()
249 		sf_putc(b, '0');  in sf_ffmt()
251 			sf_putdp(b);  in sf_ffmt()
255 			sf_padc(b, '0', zc);  in sf_ffmt()
256 			sf_write(b, digits, copy);  in sf_ffmt()
257 			sf_padc(b, '0', rem - copy);  in sf_ffmt()
264 		sf_write(b, digits, copy);  in sf_ffmt()
265 		sf_padc(b, '0', decpt - copy);  in sf_ffmt()
267 			sf_putdp(b);  in sf_ffmt()
272 			sf_write(b, digits + decpt, copy);  in sf_ffmt()
273 			sf_padc(b, '0', prec - copy);  in sf_ffmt()
277 	sf_seal(b);  in sf_ffmt()
278 	return (b->pos);  in sf_ffmt()
287 sf_gfmt(struct sf_buf *b, int prec, char conv,  in sf_gfmt()  argument
292 	b->pos = 0;  in sf_gfmt()
305 		sf_putc(b, '-');  in sf_gfmt()
315 			sf_putc(b, '0');  in sf_gfmt()
317 				sf_putdp(b);  in sf_gfmt()
318 				sf_padc(b, '0', -decpt);  in sf_gfmt()
319 				sf_write(b, digits, ndig);  in sf_gfmt()
323 			sf_write(b, digits, copy);  in sf_gfmt()
324 			sf_padc(b, '0', decpt - copy);  in sf_gfmt()
327 				sf_putdp(b);  in sf_gfmt()
328 				sf_write(b, digits + decpt, frac);  in sf_gfmt()
335 		sf_putc(b, ndig > 0 ? digits[0] : '0');  in sf_gfmt()
337 			sf_putdp(b);  in sf_gfmt()
338 			sf_write(b, digits + 1, ndig - 1);  in sf_gfmt()
340 		sf_emit_exp(b, isupper((unsigned char)conv) ? 'E' : 'e',  in sf_gfmt()
344 	sf_seal(b);  in sf_gfmt()
345 	return (b->pos);  in sf_gfmt()
359 sf_afmt(struct sf_buf *b, int user_prec, char conv,  in sf_afmt()  argument
364 	b->pos = 0;  in sf_afmt()
366 		sf_putc(b, '-');  in sf_afmt()
367 	sf_putc(b, '0');  in sf_afmt()
368 	sf_putc(b, isupper((unsigned char)conv) ? 'X' : 'x');  in sf_afmt()
373 	sf_putc(b, ndig > 0 ? digits[0] : '0');  in sf_afmt()
381 			sf_putdp(b);  in sf_afmt()
382 			sf_write(b, digits + 1, after);  in sf_afmt()
385 		sf_putdp(b);  in sf_afmt()
387 		sf_write(b, digits + 1, copy);  in sf_afmt()
388 		sf_padc(b, '0', user_prec - copy);  in sf_afmt()
390 	sf_emit_exp(b, isupper((unsigned char)conv) ? 'P' : 'p', decpt - 1, 1);  in sf_afmt()
392 	sf_seal(b);  in sf_afmt()
393 	return (b->pos);  in sf_afmt()
438 	struct sf_buf b;  in __sf_render_hex()  local
441 	b.s = s;  in __sf_render_hex()
442 	b.n = n;  in __sf_render_hex()
444 		return (sf_special(&b, conv, signflag, digits[0] == 'N'));  in __sf_render_hex()
447 	return (sf_afmt(&b, usprec, conv, digits, ndig, decpt, signflag));  in __sf_render_hex()
458 	struct sf_buf b;  in __sf_render_decimal()  local
461 	b.s = s;  in __sf_render_decimal()
462 	b.n = n;  in __sf_render_decimal()
464 		return (sf_special(&b, conv, signflag, digits[0] == 'N'));  in __sf_render_decimal()
468 		return (sf_efmt(&b, prec, conv, digits, ndig, decpt, signflag));  in __sf_render_decimal()
470 		return (sf_ffmt(&b, prec, signflag, digits, ndig, decpt));  in __sf_render_decimal()
472 		return (sf_gfmt(&b, prec, conv, digits, ndig, decpt, signflag));  in __sf_render_decimal()