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c84142e8 | 1 | /* Formatting a monetary value according to the given locale. |
6d7e8eda | 2 | Copyright (C) 1996-2023 Free Software Foundation, Inc. |
c84142e8 | 3 | This file is part of the GNU C Library. |
c84142e8 UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
c84142e8 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
c84142e8 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
c84142e8 | 18 | |
ccadf7b5 UD |
19 | #include <ctype.h> |
20 | #include <errno.h> | |
21 | #include <langinfo.h> | |
22 | #include <locale.h> | |
23 | #include <monetary.h> | |
c6251f03 RM |
24 | #include "../libio/libioP.h" |
25 | #include "../libio/strfile.h" | |
ccadf7b5 UD |
26 | #include <printf.h> |
27 | #include <stdarg.h> | |
28 | #include <stdio.h> | |
29 | #include <string.h> | |
30 | #include "../locale/localeinfo.h" | |
66fa3082 | 31 | #include <bits/floatn.h> |
e88b9f0e FW |
32 | #include <stdio-common/grouping_iterator.h> |
33 | #include <printf_buffer.h> | |
ccadf7b5 UD |
34 | |
35 | #define to_digit(Ch) ((Ch) - '0') | |
36 | ||
37 | ||
38 | /* We use this code also for the extended locale handling where the | |
39 | function gets as an additional argument the locale which has to be | |
40 | used. To access the values we have to redefine the _NL_CURRENT | |
41 | macro. */ | |
42 | #undef _NL_CURRENT | |
43 | #define _NL_CURRENT(category, item) \ | |
44 | (current->values[_NL_ITEM_INDEX (item)].string) | |
45 | ||
ccadf7b5 UD |
46 | |
47 | /* We have to overcome some problems with this implementation. On the | |
48 | one hand the strfmon() function is specified in XPG4 and of course | |
49 | it has to follow this. But on the other hand POSIX.2 specifies | |
50 | some information in the LC_MONETARY category which should be used, | |
51 | too. Some of the information contradicts the information which can | |
52 | be specified in format string. */ | |
e88b9f0e FW |
53 | static void |
54 | __vstrfmon_l_buffer (struct __printf_buffer *buf, locale_t loc, | |
55 | const char *fmt, va_list ap, unsigned int flags) | |
ccadf7b5 | 56 | { |
f095bb72 | 57 | struct __locale_data *current = loc->__locales[LC_MONETARY]; |
ccadf7b5 | 58 | struct printf_info info; |
ccadf7b5 UD |
59 | |
60 | /* Loop through the format-string. */ | |
e88b9f0e | 61 | while (*fmt != '\0' && !__printf_buffer_has_failed (buf)) |
ccadf7b5 UD |
62 | { |
63 | /* The floating-point value to output. */ | |
64 | union | |
65 | { | |
66 | double dbl; | |
8b164787 | 67 | long double ldbl; |
66fa3082 RS |
68 | #if __HAVE_DISTINCT_FLOAT128 |
69 | _Float128 f128; | |
70 | #endif | |
ccadf7b5 UD |
71 | } |
72 | fpnum; | |
73 | int int_format; | |
74 | int print_curr_symbol; | |
75 | int left_prec; | |
76 | int left_pad; | |
77 | int right_prec; | |
78 | int group; | |
79 | char pad; | |
80 | int is_long_double; | |
66fa3082 | 81 | int is_binary128; |
ccadf7b5 UD |
82 | int p_sign_posn; |
83 | int n_sign_posn; | |
84 | int sign_posn; | |
85 | int other_sign_posn; | |
86 | int left; | |
87 | int is_negative; | |
88 | int sep_by_space; | |
89 | int other_sep_by_space; | |
90 | int cs_precedes; | |
91 | int other_cs_precedes; | |
92 | const char *sign_string; | |
93 | const char *other_sign_string; | |
ccadf7b5 UD |
94 | const char *currency_symbol; |
95 | size_t currency_symbol_len; | |
153aa31b | 96 | long int width; |
ccadf7b5 UD |
97 | const void *ptr; |
98 | char space_char; | |
99 | ||
100 | /* Process all character which do not introduce a format | |
101 | specification. */ | |
102 | if (*fmt != '%') | |
103 | { | |
e88b9f0e | 104 | __printf_buffer_putc (buf, *fmt++); |
ccadf7b5 UD |
105 | continue; |
106 | } | |
107 | ||
108 | /* "%%" means a single '%' character. */ | |
109 | if (fmt[1] == '%') | |
110 | { | |
e88b9f0e | 111 | __printf_buffer_putc (buf, *++fmt); |
ccadf7b5 UD |
112 | ++fmt; |
113 | continue; | |
114 | } | |
115 | ||
116 | /* Defaults for formatting. */ | |
117 | int_format = 0; /* Use international curr. symbol */ | |
118 | print_curr_symbol = 1; /* Print the currency symbol. */ | |
119 | left_prec = -1; /* No left precision specified. */ | |
120 | right_prec = -1; /* No right precision specified. */ | |
121 | group = 1; /* Print digits grouped. */ | |
122 | pad = ' '; /* Fill character is <SP>. */ | |
123 | is_long_double = 0; /* Double argument by default. */ | |
66fa3082 | 124 | is_binary128 = 0; /* Long double argument by default. */ |
a7931fcf AS |
125 | p_sign_posn = -2; /* This indicates whether the */ |
126 | n_sign_posn = -2; /* '(' flag is given. */ | |
ccadf7b5 UD |
127 | width = -1; /* No width specified so far. */ |
128 | left = 0; /* Right justified by default. */ | |
129 | ||
130 | /* Parse group characters. */ | |
131 | while (1) | |
132 | { | |
133 | switch (*++fmt) | |
134 | { | |
135 | case '=': /* Set fill character. */ | |
136 | pad = *++fmt; | |
137 | if (pad == '\0') | |
138 | { | |
139 | /* Premature EOS. */ | |
140 | __set_errno (EINVAL); | |
e88b9f0e FW |
141 | __printf_buffer_mark_failed (buf); |
142 | return; | |
ccadf7b5 UD |
143 | } |
144 | continue; | |
145 | case '^': /* Don't group digits. */ | |
146 | group = 0; | |
147 | continue; | |
148 | case '+': /* Use +/- for sign of number. */ | |
a7931fcf | 149 | if (n_sign_posn != -2) |
ccadf7b5 UD |
150 | { |
151 | __set_errno (EINVAL); | |
e88b9f0e FW |
152 | __printf_buffer_mark_failed (buf); |
153 | return; | |
ccadf7b5 UD |
154 | } |
155 | p_sign_posn = *_NL_CURRENT (LC_MONETARY, P_SIGN_POSN); | |
156 | n_sign_posn = *_NL_CURRENT (LC_MONETARY, N_SIGN_POSN); | |
157 | continue; | |
158 | case '(': /* Use ( ) for negative sign. */ | |
a7931fcf | 159 | if (n_sign_posn != -2) |
ccadf7b5 UD |
160 | { |
161 | __set_errno (EINVAL); | |
e88b9f0e FW |
162 | __printf_buffer_mark_failed (buf); |
163 | return; | |
ccadf7b5 UD |
164 | } |
165 | p_sign_posn = 0; | |
166 | n_sign_posn = 0; | |
167 | continue; | |
168 | case '!': /* Don't print the currency symbol. */ | |
169 | print_curr_symbol = 0; | |
170 | continue; | |
171 | case '-': /* Print left justified. */ | |
172 | left = 1; | |
173 | continue; | |
174 | default: | |
175 | /* Will stop the loop. */; | |
176 | } | |
177 | break; | |
178 | } | |
179 | ||
180 | if (isdigit (*fmt)) | |
181 | { | |
182 | /* Parse field width. */ | |
183 | width = to_digit (*fmt); | |
184 | ||
185 | while (isdigit (*++fmt)) | |
186 | { | |
153aa31b UD |
187 | int val = to_digit (*fmt); |
188 | ||
189 | if (width > LONG_MAX / 10 | |
190 | || (width == LONG_MAX && val > LONG_MAX % 10)) | |
191 | { | |
192 | __set_errno (E2BIG); | |
e88b9f0e FW |
193 | __printf_buffer_mark_failed (buf); |
194 | return; | |
153aa31b UD |
195 | } |
196 | ||
197 | width = width * 10 + val; | |
ccadf7b5 | 198 | } |
ccadf7b5 UD |
199 | } |
200 | ||
201 | /* Recognize left precision. */ | |
202 | if (*fmt == '#') | |
203 | { | |
204 | if (!isdigit (*++fmt)) | |
205 | { | |
206 | __set_errno (EINVAL); | |
e88b9f0e FW |
207 | __printf_buffer_mark_failed (buf); |
208 | return; | |
ccadf7b5 UD |
209 | } |
210 | left_prec = to_digit (*fmt); | |
211 | ||
212 | while (isdigit (*++fmt)) | |
213 | { | |
214 | left_prec *= 10; | |
215 | left_prec += to_digit (*fmt); | |
216 | } | |
217 | } | |
218 | ||
219 | /* Recognize right precision. */ | |
220 | if (*fmt == '.') | |
221 | { | |
222 | if (!isdigit (*++fmt)) | |
223 | { | |
224 | __set_errno (EINVAL); | |
e88b9f0e FW |
225 | __printf_buffer_mark_failed (buf); |
226 | return; | |
ccadf7b5 UD |
227 | } |
228 | right_prec = to_digit (*fmt); | |
229 | ||
230 | while (isdigit (*++fmt)) | |
231 | { | |
232 | right_prec *= 10; | |
233 | right_prec += to_digit (*fmt); | |
234 | } | |
235 | } | |
236 | ||
237 | /* Handle modifier. This is an extension. */ | |
238 | if (*fmt == 'L') | |
239 | { | |
240 | ++fmt; | |
c75772e3 | 241 | if (__glibc_likely ((flags & STRFMON_LDBL_IS_DBL) == 0)) |
c6251f03 | 242 | is_long_double = 1; |
66fa3082 RS |
243 | #if __HAVE_DISTINCT_FLOAT128 |
244 | if (__glibc_likely ((flags & STRFMON_LDBL_USES_FLOAT128) != 0)) | |
245 | is_binary128 = is_long_double; | |
246 | #endif | |
ccadf7b5 UD |
247 | } |
248 | ||
249 | /* Handle format specifier. */ | |
250 | char int_symbol[4]; | |
251 | switch (*fmt++) | |
252 | { | |
253 | case 'i': { /* Use international currency symbol. */ | |
254 | const char *int_curr_symbol; | |
255 | ||
256 | int_curr_symbol = _NL_CURRENT (LC_MONETARY, INT_CURR_SYMBOL); | |
257 | strncpy(int_symbol, int_curr_symbol, 3); | |
258 | int_symbol[3] = '\0'; | |
259 | ||
260 | currency_symbol_len = 3; | |
261 | currency_symbol = &int_symbol[0]; | |
262 | space_char = int_curr_symbol[3]; | |
263 | int_format = 1; | |
264 | break; | |
265 | } | |
266 | case 'n': /* Use national currency symbol. */ | |
267 | currency_symbol = _NL_CURRENT (LC_MONETARY, CURRENCY_SYMBOL); | |
268 | currency_symbol_len = strlen (currency_symbol); | |
269 | space_char = ' '; | |
270 | int_format = 0; | |
271 | break; | |
272 | default: /* Any unrecognized format is an error. */ | |
273 | __set_errno (EINVAL); | |
e88b9f0e FW |
274 | __printf_buffer_mark_failed (buf); |
275 | return; | |
ccadf7b5 UD |
276 | } |
277 | ||
278 | /* If not specified by the format string now find the values for | |
279 | the format specification. */ | |
a7931fcf | 280 | if (p_sign_posn == -2) |
ccadf7b5 | 281 | p_sign_posn = *_NL_CURRENT (LC_MONETARY, int_format ? INT_P_SIGN_POSN : P_SIGN_POSN); |
a7931fcf | 282 | if (n_sign_posn == -2) |
ccadf7b5 UD |
283 | n_sign_posn = *_NL_CURRENT (LC_MONETARY, int_format ? INT_N_SIGN_POSN : N_SIGN_POSN); |
284 | ||
285 | if (right_prec == -1) | |
286 | { | |
287 | right_prec = *_NL_CURRENT (LC_MONETARY, int_format ? INT_FRAC_DIGITS : FRAC_DIGITS); | |
288 | ||
a7931fcf | 289 | if (right_prec == '\377') |
ccadf7b5 UD |
290 | right_prec = 2; |
291 | } | |
292 | ||
293 | /* If we have to print the digits grouped determine how many | |
294 | extra characters this means. */ | |
295 | if (group && left_prec != -1) | |
e88b9f0e FW |
296 | { |
297 | struct grouping_iterator it; | |
298 | __grouping_iterator_init (&it, LC_MONETARY, loc, left_prec); | |
299 | left_prec += it.separators; | |
300 | } | |
ccadf7b5 UD |
301 | |
302 | /* Now it's time to get the value. */ | |
303 | if (is_long_double == 1) | |
304 | { | |
66fa3082 RS |
305 | #if __HAVE_DISTINCT_FLOAT128 |
306 | if (is_binary128 == 1) | |
307 | { | |
308 | fpnum.f128 = va_arg (ap, _Float128); | |
309 | is_negative = fpnum.f128 < 0; | |
310 | if (is_negative) | |
311 | fpnum.f128 = -fpnum.f128; | |
312 | } | |
313 | else | |
314 | #endif | |
315 | { | |
316 | fpnum.ldbl = va_arg (ap, long double); | |
317 | is_negative = fpnum.ldbl < 0; | |
318 | if (is_negative) | |
319 | fpnum.ldbl = -fpnum.ldbl; | |
320 | } | |
ccadf7b5 UD |
321 | } |
322 | else | |
323 | { | |
324 | fpnum.dbl = va_arg (ap, double); | |
325 | is_negative = fpnum.dbl < 0; | |
326 | if (is_negative) | |
327 | fpnum.dbl = -fpnum.dbl; | |
328 | } | |
329 | ||
330 | /* We now know the sign of the value and can determine the format. */ | |
331 | if (is_negative) | |
332 | { | |
333 | sign_string = _NL_CURRENT (LC_MONETARY, NEGATIVE_SIGN); | |
334 | /* If the locale does not specify a character for the | |
335 | negative sign we use a '-'. */ | |
336 | if (*sign_string == '\0') | |
337 | sign_string = (const char *) "-"; | |
338 | cs_precedes = *_NL_CURRENT (LC_MONETARY, int_format ? INT_N_CS_PRECEDES : N_CS_PRECEDES); | |
339 | sep_by_space = *_NL_CURRENT (LC_MONETARY, int_format ? INT_N_SEP_BY_SPACE : N_SEP_BY_SPACE); | |
340 | sign_posn = n_sign_posn; | |
341 | ||
342 | other_sign_string = _NL_CURRENT (LC_MONETARY, POSITIVE_SIGN); | |
343 | other_cs_precedes = *_NL_CURRENT (LC_MONETARY, int_format ? INT_P_CS_PRECEDES : P_CS_PRECEDES); | |
344 | other_sep_by_space = *_NL_CURRENT (LC_MONETARY, int_format ? INT_P_SEP_BY_SPACE : P_SEP_BY_SPACE); | |
345 | other_sign_posn = p_sign_posn; | |
346 | } | |
347 | else | |
348 | { | |
349 | sign_string = _NL_CURRENT (LC_MONETARY, POSITIVE_SIGN); | |
350 | cs_precedes = *_NL_CURRENT (LC_MONETARY, int_format ? INT_P_CS_PRECEDES : P_CS_PRECEDES); | |
351 | sep_by_space = *_NL_CURRENT (LC_MONETARY, int_format ? INT_P_SEP_BY_SPACE : P_SEP_BY_SPACE); | |
352 | sign_posn = p_sign_posn; | |
353 | ||
354 | other_sign_string = _NL_CURRENT (LC_MONETARY, NEGATIVE_SIGN); | |
355 | if (*other_sign_string == '\0') | |
356 | other_sign_string = (const char *) "-"; | |
357 | other_cs_precedes = *_NL_CURRENT (LC_MONETARY, int_format ? INT_N_CS_PRECEDES : N_CS_PRECEDES); | |
358 | other_sep_by_space = *_NL_CURRENT (LC_MONETARY, int_format ? INT_N_SEP_BY_SPACE : N_SEP_BY_SPACE); | |
359 | other_sign_posn = n_sign_posn; | |
360 | } | |
361 | ||
362 | /* Set default values for unspecified information. */ | |
363 | if (cs_precedes != 0) | |
364 | cs_precedes = 1; | |
365 | if (other_cs_precedes != 0) | |
366 | other_cs_precedes = 1; | |
a7931fcf | 367 | if (sep_by_space == '\377') |
ccadf7b5 | 368 | sep_by_space = 0; |
a7931fcf | 369 | if (other_sep_by_space == '\377') |
ccadf7b5 | 370 | other_sep_by_space = 0; |
a7931fcf | 371 | if (sign_posn == '\377') |
ccadf7b5 | 372 | sign_posn = 1; |
a7931fcf | 373 | if (other_sign_posn == '\377') |
ccadf7b5 UD |
374 | other_sign_posn = 1; |
375 | ||
376 | /* Check for degenerate cases */ | |
377 | if (sep_by_space == 2) | |
378 | { | |
34a5a146 JM |
379 | if (sign_posn == 0 |
380 | || (sign_posn == 1 && !cs_precedes) | |
381 | || (sign_posn == 2 && cs_precedes)) | |
ccadf7b5 UD |
382 | /* sign and symbol are not adjacent, so no separator */ |
383 | sep_by_space = 0; | |
384 | } | |
385 | if (other_sep_by_space == 2) | |
386 | { | |
34a5a146 JM |
387 | if (other_sign_posn == 0 |
388 | || (other_sign_posn == 1 && !other_cs_precedes) | |
389 | || (other_sign_posn == 2 && other_cs_precedes)) | |
ccadf7b5 UD |
390 | /* sign and symbol are not adjacent, so no separator */ |
391 | other_sep_by_space = 0; | |
392 | } | |
393 | ||
394 | /* Set the left precision and padding needed for alignment */ | |
395 | if (left_prec == -1) | |
396 | { | |
397 | left_prec = 0; | |
398 | left_pad = 0; | |
399 | } | |
400 | else | |
401 | { | |
402 | /* Set left_pad to number of spaces needed to align positive | |
403 | and negative formats */ | |
404 | ||
405 | int left_bytes = 0; | |
406 | int other_left_bytes = 0; | |
407 | ||
408 | /* Work out number of bytes for currency string and separator | |
409 | preceding the value */ | |
410 | if (cs_precedes) | |
411 | { | |
412 | left_bytes += currency_symbol_len; | |
413 | if (sep_by_space != 0) | |
414 | ++left_bytes; | |
415 | } | |
416 | ||
417 | if (other_cs_precedes) | |
418 | { | |
419 | other_left_bytes += currency_symbol_len; | |
420 | if (other_sep_by_space != 0) | |
421 | ++other_left_bytes; | |
422 | } | |
423 | ||
424 | /* Work out number of bytes for the sign (or left parenthesis) | |
425 | preceding the value */ | |
426 | if (sign_posn == 0 && is_negative) | |
427 | ++left_bytes; | |
428 | else if (sign_posn == 1) | |
429 | left_bytes += strlen (sign_string); | |
430 | else if (cs_precedes && (sign_posn == 3 || sign_posn == 4)) | |
431 | left_bytes += strlen (sign_string); | |
432 | ||
433 | if (other_sign_posn == 0 && !is_negative) | |
434 | ++other_left_bytes; | |
435 | else if (other_sign_posn == 1) | |
436 | other_left_bytes += strlen (other_sign_string); | |
34a5a146 JM |
437 | else if (other_cs_precedes |
438 | && (other_sign_posn == 3 || other_sign_posn == 4)) | |
ccadf7b5 UD |
439 | other_left_bytes += strlen (other_sign_string); |
440 | ||
441 | /* Compare the number of bytes preceding the value for | |
442 | each format, and set the padding accordingly */ | |
443 | if (other_left_bytes > left_bytes) | |
444 | left_pad = other_left_bytes - left_bytes; | |
445 | else | |
446 | left_pad = 0; | |
447 | } | |
448 | ||
449 | /* Perhaps we'll someday make these things configurable so | |
450 | better start using symbolic names now. */ | |
451 | #define left_paren '(' | |
452 | #define right_paren ')' | |
453 | ||
e88b9f0e | 454 | char *startp = buf->write_ptr; |
ccadf7b5 | 455 | |
e88b9f0e | 456 | __printf_buffer_pad (buf, ' ', left_pad); |
ccadf7b5 UD |
457 | |
458 | if (sign_posn == 0 && is_negative) | |
e88b9f0e | 459 | __printf_buffer_putc (buf, left_paren); |
ccadf7b5 UD |
460 | |
461 | if (cs_precedes) | |
462 | { | |
463 | if (sign_posn != 0 && sign_posn != 2 && sign_posn != 4 | |
464 | && sign_posn != 5) | |
465 | { | |
e88b9f0e | 466 | __printf_buffer_puts (buf, sign_string); |
ccadf7b5 | 467 | if (sep_by_space == 2) |
e88b9f0e | 468 | __printf_buffer_putc (buf, ' '); |
ccadf7b5 UD |
469 | } |
470 | ||
471 | if (print_curr_symbol) | |
e88b9f0e | 472 | __printf_buffer_puts (buf, currency_symbol); |
a334319f | 473 | |
c61a9cfb UD |
474 | if (sign_posn == 4) |
475 | { | |
476 | if (print_curr_symbol && sep_by_space == 2) | |
e88b9f0e FW |
477 | __printf_buffer_putc (buf, space_char); |
478 | __printf_buffer_puts (buf, sign_string); | |
c61a9cfb UD |
479 | if (sep_by_space == 1) |
480 | /* POSIX.2 and SUS are not clear on this case, but C99 | |
481 | says a space follows the adjacent-symbol-and-sign */ | |
e88b9f0e | 482 | __printf_buffer_putc (buf, ' '); |
ccadf7b5 | 483 | } |
c61a9cfb UD |
484 | else |
485 | if (print_curr_symbol && sep_by_space == 1) | |
e88b9f0e | 486 | __printf_buffer_putc (buf, space_char); |
ccadf7b5 UD |
487 | } |
488 | else | |
489 | if (sign_posn != 0 && sign_posn != 2 && sign_posn != 3 | |
490 | && sign_posn != 4 && sign_posn != 5) | |
e88b9f0e | 491 | __printf_buffer_puts (buf, sign_string); |
ccadf7b5 UD |
492 | |
493 | /* Print the number. */ | |
01f7e928 | 494 | memset (&info, '\0', sizeof (info)); |
ccadf7b5 UD |
495 | info.prec = right_prec; |
496 | info.width = left_prec + (right_prec ? (right_prec + 1) : 0); | |
497 | info.spec = 'f'; | |
498 | info.is_long_double = is_long_double; | |
66fa3082 | 499 | info.is_binary128 = is_binary128; |
ccadf7b5 UD |
500 | info.group = group; |
501 | info.pad = pad; | |
502 | info.extra = 1; /* This means use values from LC_MONETARY. */ | |
ccadf7b5 UD |
503 | |
504 | ptr = &fpnum; | |
e88b9f0e FW |
505 | __printf_fp_l_buffer (buf, loc, &info, &ptr); |
506 | if (__printf_buffer_has_failed (buf)) | |
507 | return; | |
ccadf7b5 UD |
508 | |
509 | if (!cs_precedes) | |
510 | { | |
511 | if (sign_posn == 3) | |
512 | { | |
513 | if (sep_by_space == 1) | |
e88b9f0e FW |
514 | __printf_buffer_putc (buf, ' '); |
515 | __printf_buffer_puts (buf, sign_string); | |
ccadf7b5 UD |
516 | } |
517 | ||
518 | if (print_curr_symbol) | |
519 | { | |
520 | if ((sign_posn == 3 && sep_by_space == 2) | |
521 | || (sign_posn == 4 && sep_by_space == 1) | |
522 | || (sign_posn == 2 && sep_by_space == 1) | |
523 | || (sign_posn == 1 && sep_by_space == 1) | |
524 | || (sign_posn == 0 && sep_by_space == 1)) | |
e88b9f0e FW |
525 | __printf_buffer_putc (buf, space_char); |
526 | __printf_buffer_write (buf, currency_symbol, | |
527 | __strnlen (currency_symbol, | |
528 | currency_symbol_len)); | |
c61a9cfb | 529 | } |
153aa31b | 530 | |
c61a9cfb UD |
531 | if (sign_posn == 4) |
532 | { | |
533 | if (sep_by_space == 2) | |
e88b9f0e FW |
534 | __printf_buffer_putc (buf, ' '); |
535 | __printf_buffer_puts (buf, sign_string); | |
ccadf7b5 UD |
536 | } |
537 | } | |
538 | ||
539 | if (sign_posn == 2) | |
540 | { | |
541 | if (sep_by_space == 2) | |
e88b9f0e FW |
542 | __printf_buffer_putc (buf, ' '); |
543 | __printf_buffer_puts (buf, sign_string); | |
ccadf7b5 UD |
544 | } |
545 | ||
546 | if (sign_posn == 0 && is_negative) | |
e88b9f0e | 547 | __printf_buffer_putc (buf, right_paren); |
ccadf7b5 UD |
548 | |
549 | /* Now test whether the output width is filled. */ | |
e88b9f0e | 550 | if (buf->write_ptr - startp < width) |
ccadf7b5 | 551 | { |
e88b9f0e FW |
552 | size_t pad_width = width - (buf->write_ptr - startp); |
553 | __printf_buffer_pad (buf, ' ', pad_width); | |
554 | if (__printf_buffer_has_failed (buf)) | |
555 | /* Implies length check. */ | |
556 | return; | |
557 | /* Left padding is already in the correct position. | |
558 | Otherwise move the field contents in place. */ | |
559 | if (!left) | |
ccadf7b5 | 560 | { |
e88b9f0e FW |
561 | memmove (startp + pad_width, startp, buf->write_ptr - startp); |
562 | memset (startp, ' ', pad_width); | |
ccadf7b5 UD |
563 | } |
564 | } | |
565 | } | |
e88b9f0e | 566 | } |
ccadf7b5 | 567 | |
e88b9f0e FW |
568 | ssize_t |
569 | __vstrfmon_l_internal (char *s, size_t maxsize, locale_t loc, | |
570 | const char *format, va_list ap, unsigned int flags) | |
571 | { | |
572 | struct __printf_buffer buf; | |
573 | __printf_buffer_init (&buf, s, maxsize, __printf_buffer_mode_strfmon); | |
574 | __vstrfmon_l_buffer (&buf, loc, format, ap, flags); | |
575 | __printf_buffer_putc (&buf, '\0'); /* Terminate the string. */ | |
576 | if (__printf_buffer_has_failed (&buf)) | |
577 | return -1; | |
578 | else | |
579 | return buf.write_ptr - buf.write_base - 1; /* Exclude NUL byte. */ | |
ccadf7b5 UD |
580 | } |
581 | ||
582 | ssize_t | |
af85385f | 583 | ___strfmon_l (char *s, size_t maxsize, locale_t loc, const char *format, ...) |
ccadf7b5 UD |
584 | { |
585 | va_list ap; | |
586 | ||
587 | va_start (ap, format); | |
588 | ||
c75772e3 | 589 | ssize_t res = __vstrfmon_l_internal (s, maxsize, loc, format, ap, 0); |
ccadf7b5 UD |
590 | |
591 | va_end (ap); | |
592 | ||
593 | return res; | |
594 | } | |
c6251f03 RM |
595 | ldbl_strong_alias (___strfmon_l, __strfmon_l) |
596 | ldbl_weak_alias (___strfmon_l, strfmon_l) |