1 | /* Copyright (C) 1991-2018 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <array_length.h> |
19 | #include <ctype.h> |
20 | #include <limits.h> |
21 | #include <printf.h> |
22 | #include <stdarg.h> |
23 | #include <stdint.h> |
24 | #include <stdlib.h> |
25 | #include <string.h> |
26 | #include <errno.h> |
27 | #include <wchar.h> |
28 | #include <libc-lock.h> |
29 | #include <sys/param.h> |
30 | #include <_itoa.h> |
31 | #include <locale/localeinfo.h> |
32 | #include <stdio.h> |
33 | #include <scratch_buffer.h> |
34 | |
35 | /* This code is shared between the standard stdio implementation found |
36 | in GNU C library and the libio implementation originally found in |
37 | GNU libg++. |
38 | |
39 | Beside this it is also shared between the normal and wide character |
40 | implementation as defined in ISO/IEC 9899:1990/Amendment 1:1995. */ |
41 | |
42 | #include <libioP.h> |
43 | |
44 | /* In some cases we need extra space for all the output which is not |
45 | counted in the width of the string. We assume 32 characters is |
46 | enough. */ |
47 | #define EXTSIZ 32 |
48 | #define ARGCHECK(S, Format) \ |
49 | do \ |
50 | { \ |
51 | /* Check file argument for consistence. */ \ |
52 | CHECK_FILE (S, -1); \ |
53 | if (S->_flags & _IO_NO_WRITES) \ |
54 | { \ |
55 | S->_flags |= _IO_ERR_SEEN; \ |
56 | __set_errno (EBADF); \ |
57 | return -1; \ |
58 | } \ |
59 | if (Format == NULL) \ |
60 | { \ |
61 | __set_errno (EINVAL); \ |
62 | return -1; \ |
63 | } \ |
64 | } while (0) |
65 | #define UNBUFFERED_P(S) ((S)->_flags & _IO_UNBUFFERED) |
66 | |
67 | #define done_add(val) \ |
68 | do { \ |
69 | unsigned int _val = val; \ |
70 | assert ((unsigned int) done < (unsigned int) INT_MAX); \ |
71 | if (__glibc_unlikely (INT_MAX - done < _val)) \ |
72 | { \ |
73 | done = -1; \ |
74 | __set_errno (EOVERFLOW); \ |
75 | goto all_done; \ |
76 | } \ |
77 | done += _val; \ |
78 | } while (0) |
79 | |
80 | #ifndef COMPILE_WPRINTF |
81 | # define vfprintf _IO_vfprintf_internal |
82 | # define CHAR_T char |
83 | # define UCHAR_T unsigned char |
84 | # define INT_T int |
85 | typedef const char *THOUSANDS_SEP_T; |
86 | # define L_(Str) Str |
87 | # define ISDIGIT(Ch) ((unsigned int) ((Ch) - '0') < 10) |
88 | # define STR_LEN(Str) strlen (Str) |
89 | |
90 | # define PUT(F, S, N) _IO_sputn ((F), (S), (N)) |
91 | # define PAD(Padchar) \ |
92 | do { \ |
93 | if (width > 0) \ |
94 | { \ |
95 | ssize_t written = _IO_padn (s, (Padchar), width); \ |
96 | if (__glibc_unlikely (written != width)) \ |
97 | { \ |
98 | done = -1; \ |
99 | goto all_done; \ |
100 | } \ |
101 | done_add (written); \ |
102 | } \ |
103 | } while (0) |
104 | # define PUTC(C, F) _IO_putc_unlocked (C, F) |
105 | # define ORIENT if (_IO_vtable_offset (s) == 0 && _IO_fwide (s, -1) != -1)\ |
106 | return -1 |
107 | #else |
108 | # define vfprintf _IO_vfwprintf |
109 | # define CHAR_T wchar_t |
110 | /* This is a hack!!! There should be a type uwchar_t. */ |
111 | # define UCHAR_T unsigned int /* uwchar_t */ |
112 | # define INT_T wint_t |
113 | typedef wchar_t THOUSANDS_SEP_T; |
114 | # define L_(Str) L##Str |
115 | # define ISDIGIT(Ch) ((unsigned int) ((Ch) - L'0') < 10) |
116 | # define STR_LEN(Str) __wcslen (Str) |
117 | |
118 | # include <_itowa.h> |
119 | |
120 | # define PUT(F, S, N) _IO_sputn ((F), (S), (N)) |
121 | # define PAD(Padchar) \ |
122 | do { \ |
123 | if (width > 0) \ |
124 | { \ |
125 | ssize_t written = _IO_wpadn (s, (Padchar), width); \ |
126 | if (__glibc_unlikely (written != width)) \ |
127 | { \ |
128 | done = -1; \ |
129 | goto all_done; \ |
130 | } \ |
131 | done_add (written); \ |
132 | } \ |
133 | } while (0) |
134 | # define PUTC(C, F) _IO_putwc_unlocked (C, F) |
135 | # define ORIENT if (_IO_fwide (s, 1) != 1) return -1 |
136 | |
137 | # undef _itoa |
138 | # define _itoa(Val, Buf, Base, Case) _itowa (Val, Buf, Base, Case) |
139 | # define _itoa_word(Val, Buf, Base, Case) _itowa_word (Val, Buf, Base, Case) |
140 | # undef EOF |
141 | # define EOF WEOF |
142 | #endif |
143 | |
144 | #include "_i18n_number.h" |
145 | |
146 | /* Include the shared code for parsing the format string. */ |
147 | #include "printf-parse.h" |
148 | |
149 | |
150 | #define outchar(Ch) \ |
151 | do \ |
152 | { \ |
153 | const INT_T outc = (Ch); \ |
154 | if (PUTC (outc, s) == EOF || done == INT_MAX) \ |
155 | { \ |
156 | done = -1; \ |
157 | goto all_done; \ |
158 | } \ |
159 | ++done; \ |
160 | } \ |
161 | while (0) |
162 | |
163 | #define outstring(String, Len) \ |
164 | do \ |
165 | { \ |
166 | assert ((size_t) done <= (size_t) INT_MAX); \ |
167 | if ((size_t) PUT (s, (String), (Len)) != (size_t) (Len)) \ |
168 | { \ |
169 | done = -1; \ |
170 | goto all_done; \ |
171 | } \ |
172 | if (__glibc_unlikely (INT_MAX - done < (Len))) \ |
173 | { \ |
174 | done = -1; \ |
175 | __set_errno (EOVERFLOW); \ |
176 | goto all_done; \ |
177 | } \ |
178 | done += (Len); \ |
179 | } \ |
180 | while (0) |
181 | |
182 | /* For handling long_double and longlong we use the same flag. If |
183 | `long' and `long long' are effectively the same type define it to |
184 | zero. */ |
185 | #if LONG_MAX == LONG_LONG_MAX |
186 | # define is_longlong 0 |
187 | #else |
188 | # define is_longlong is_long_double |
189 | #endif |
190 | |
191 | /* If `long' and `int' is effectively the same type we don't have to |
192 | handle `long separately. */ |
193 | #if INT_MAX == LONG_MAX |
194 | # define is_long_num 0 |
195 | #else |
196 | # define is_long_num is_long |
197 | #endif |
198 | |
199 | |
200 | /* Global constants. */ |
201 | static const CHAR_T null[] = L_("(null)" ); |
202 | |
203 | /* Size of the work_buffer variable (in characters, not bytes. */ |
204 | enum { WORK_BUFFER_SIZE = 1000 / sizeof (CHAR_T) }; |
205 | |
206 | /* This table maps a character into a number representing a class. In |
207 | each step there is a destination label for each class. */ |
208 | static const uint8_t jump_table[] = |
209 | { |
210 | /* ' ' */ 1, 0, 0, /* '#' */ 4, |
211 | 0, /* '%' */ 14, 0, /* '\''*/ 6, |
212 | 0, 0, /* '*' */ 7, /* '+' */ 2, |
213 | 0, /* '-' */ 3, /* '.' */ 9, 0, |
214 | /* '0' */ 5, /* '1' */ 8, /* '2' */ 8, /* '3' */ 8, |
215 | /* '4' */ 8, /* '5' */ 8, /* '6' */ 8, /* '7' */ 8, |
216 | /* '8' */ 8, /* '9' */ 8, 0, 0, |
217 | 0, 0, 0, 0, |
218 | 0, /* 'A' */ 26, 0, /* 'C' */ 25, |
219 | 0, /* 'E' */ 19, /* F */ 19, /* 'G' */ 19, |
220 | 0, /* 'I' */ 29, 0, 0, |
221 | /* 'L' */ 12, 0, 0, 0, |
222 | 0, 0, 0, /* 'S' */ 21, |
223 | 0, 0, 0, 0, |
224 | /* 'X' */ 18, 0, /* 'Z' */ 13, 0, |
225 | 0, 0, 0, 0, |
226 | 0, /* 'a' */ 26, 0, /* 'c' */ 20, |
227 | /* 'd' */ 15, /* 'e' */ 19, /* 'f' */ 19, /* 'g' */ 19, |
228 | /* 'h' */ 10, /* 'i' */ 15, /* 'j' */ 28, 0, |
229 | /* 'l' */ 11, /* 'm' */ 24, /* 'n' */ 23, /* 'o' */ 17, |
230 | /* 'p' */ 22, /* 'q' */ 12, 0, /* 's' */ 21, |
231 | /* 't' */ 27, /* 'u' */ 16, 0, 0, |
232 | /* 'x' */ 18, 0, /* 'z' */ 13 |
233 | }; |
234 | |
235 | #define NOT_IN_JUMP_RANGE(Ch) ((Ch) < L_(' ') || (Ch) > L_('z')) |
236 | #define CHAR_CLASS(Ch) (jump_table[(INT_T) (Ch) - L_(' ')]) |
237 | #define LABEL(Name) do_##Name |
238 | #ifdef SHARED |
239 | /* 'int' is enough and it saves some space on 64 bit systems. */ |
240 | # define JUMP_TABLE_TYPE const int |
241 | # define JUMP_TABLE_BASE_LABEL do_form_unknown |
242 | # define REF(Name) &&do_##Name - &&JUMP_TABLE_BASE_LABEL |
243 | # define JUMP(ChExpr, table) \ |
244 | do \ |
245 | { \ |
246 | int offset; \ |
247 | void *ptr; \ |
248 | spec = (ChExpr); \ |
249 | offset = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \ |
250 | : table[CHAR_CLASS (spec)]; \ |
251 | ptr = &&JUMP_TABLE_BASE_LABEL + offset; \ |
252 | goto *ptr; \ |
253 | } \ |
254 | while (0) |
255 | #else |
256 | # define JUMP_TABLE_TYPE const void *const |
257 | # define REF(Name) &&do_##Name |
258 | # define JUMP(ChExpr, table) \ |
259 | do \ |
260 | { \ |
261 | const void *ptr; \ |
262 | spec = (ChExpr); \ |
263 | ptr = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \ |
264 | : table[CHAR_CLASS (spec)]; \ |
265 | goto *ptr; \ |
266 | } \ |
267 | while (0) |
268 | #endif |
269 | |
270 | #define STEP0_3_TABLE \ |
271 | /* Step 0: at the beginning. */ \ |
272 | static JUMP_TABLE_TYPE step0_jumps[30] = \ |
273 | { \ |
274 | REF (form_unknown), \ |
275 | REF (flag_space), /* for ' ' */ \ |
276 | REF (flag_plus), /* for '+' */ \ |
277 | REF (flag_minus), /* for '-' */ \ |
278 | REF (flag_hash), /* for '<hash>' */ \ |
279 | REF (flag_zero), /* for '0' */ \ |
280 | REF (flag_quote), /* for '\'' */ \ |
281 | REF (width_asterics), /* for '*' */ \ |
282 | REF (width), /* for '1'...'9' */ \ |
283 | REF (precision), /* for '.' */ \ |
284 | REF (mod_half), /* for 'h' */ \ |
285 | REF (mod_long), /* for 'l' */ \ |
286 | REF (mod_longlong), /* for 'L', 'q' */ \ |
287 | REF (mod_size_t), /* for 'z', 'Z' */ \ |
288 | REF (form_percent), /* for '%' */ \ |
289 | REF (form_integer), /* for 'd', 'i' */ \ |
290 | REF (form_unsigned), /* for 'u' */ \ |
291 | REF (form_octal), /* for 'o' */ \ |
292 | REF (form_hexa), /* for 'X', 'x' */ \ |
293 | REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \ |
294 | REF (form_character), /* for 'c' */ \ |
295 | REF (form_string), /* for 's', 'S' */ \ |
296 | REF (form_pointer), /* for 'p' */ \ |
297 | REF (form_number), /* for 'n' */ \ |
298 | REF (form_strerror), /* for 'm' */ \ |
299 | REF (form_wcharacter), /* for 'C' */ \ |
300 | REF (form_floathex), /* for 'A', 'a' */ \ |
301 | REF (mod_ptrdiff_t), /* for 't' */ \ |
302 | REF (mod_intmax_t), /* for 'j' */ \ |
303 | REF (flag_i18n), /* for 'I' */ \ |
304 | }; \ |
305 | /* Step 1: after processing width. */ \ |
306 | static JUMP_TABLE_TYPE step1_jumps[30] = \ |
307 | { \ |
308 | REF (form_unknown), \ |
309 | REF (form_unknown), /* for ' ' */ \ |
310 | REF (form_unknown), /* for '+' */ \ |
311 | REF (form_unknown), /* for '-' */ \ |
312 | REF (form_unknown), /* for '<hash>' */ \ |
313 | REF (form_unknown), /* for '0' */ \ |
314 | REF (form_unknown), /* for '\'' */ \ |
315 | REF (form_unknown), /* for '*' */ \ |
316 | REF (form_unknown), /* for '1'...'9' */ \ |
317 | REF (precision), /* for '.' */ \ |
318 | REF (mod_half), /* for 'h' */ \ |
319 | REF (mod_long), /* for 'l' */ \ |
320 | REF (mod_longlong), /* for 'L', 'q' */ \ |
321 | REF (mod_size_t), /* for 'z', 'Z' */ \ |
322 | REF (form_percent), /* for '%' */ \ |
323 | REF (form_integer), /* for 'd', 'i' */ \ |
324 | REF (form_unsigned), /* for 'u' */ \ |
325 | REF (form_octal), /* for 'o' */ \ |
326 | REF (form_hexa), /* for 'X', 'x' */ \ |
327 | REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \ |
328 | REF (form_character), /* for 'c' */ \ |
329 | REF (form_string), /* for 's', 'S' */ \ |
330 | REF (form_pointer), /* for 'p' */ \ |
331 | REF (form_number), /* for 'n' */ \ |
332 | REF (form_strerror), /* for 'm' */ \ |
333 | REF (form_wcharacter), /* for 'C' */ \ |
334 | REF (form_floathex), /* for 'A', 'a' */ \ |
335 | REF (mod_ptrdiff_t), /* for 't' */ \ |
336 | REF (mod_intmax_t), /* for 'j' */ \ |
337 | REF (form_unknown) /* for 'I' */ \ |
338 | }; \ |
339 | /* Step 2: after processing precision. */ \ |
340 | static JUMP_TABLE_TYPE step2_jumps[30] = \ |
341 | { \ |
342 | REF (form_unknown), \ |
343 | REF (form_unknown), /* for ' ' */ \ |
344 | REF (form_unknown), /* for '+' */ \ |
345 | REF (form_unknown), /* for '-' */ \ |
346 | REF (form_unknown), /* for '<hash>' */ \ |
347 | REF (form_unknown), /* for '0' */ \ |
348 | REF (form_unknown), /* for '\'' */ \ |
349 | REF (form_unknown), /* for '*' */ \ |
350 | REF (form_unknown), /* for '1'...'9' */ \ |
351 | REF (form_unknown), /* for '.' */ \ |
352 | REF (mod_half), /* for 'h' */ \ |
353 | REF (mod_long), /* for 'l' */ \ |
354 | REF (mod_longlong), /* for 'L', 'q' */ \ |
355 | REF (mod_size_t), /* for 'z', 'Z' */ \ |
356 | REF (form_percent), /* for '%' */ \ |
357 | REF (form_integer), /* for 'd', 'i' */ \ |
358 | REF (form_unsigned), /* for 'u' */ \ |
359 | REF (form_octal), /* for 'o' */ \ |
360 | REF (form_hexa), /* for 'X', 'x' */ \ |
361 | REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \ |
362 | REF (form_character), /* for 'c' */ \ |
363 | REF (form_string), /* for 's', 'S' */ \ |
364 | REF (form_pointer), /* for 'p' */ \ |
365 | REF (form_number), /* for 'n' */ \ |
366 | REF (form_strerror), /* for 'm' */ \ |
367 | REF (form_wcharacter), /* for 'C' */ \ |
368 | REF (form_floathex), /* for 'A', 'a' */ \ |
369 | REF (mod_ptrdiff_t), /* for 't' */ \ |
370 | REF (mod_intmax_t), /* for 'j' */ \ |
371 | REF (form_unknown) /* for 'I' */ \ |
372 | }; \ |
373 | /* Step 3a: after processing first 'h' modifier. */ \ |
374 | static JUMP_TABLE_TYPE step3a_jumps[30] = \ |
375 | { \ |
376 | REF (form_unknown), \ |
377 | REF (form_unknown), /* for ' ' */ \ |
378 | REF (form_unknown), /* for '+' */ \ |
379 | REF (form_unknown), /* for '-' */ \ |
380 | REF (form_unknown), /* for '<hash>' */ \ |
381 | REF (form_unknown), /* for '0' */ \ |
382 | REF (form_unknown), /* for '\'' */ \ |
383 | REF (form_unknown), /* for '*' */ \ |
384 | REF (form_unknown), /* for '1'...'9' */ \ |
385 | REF (form_unknown), /* for '.' */ \ |
386 | REF (mod_halfhalf), /* for 'h' */ \ |
387 | REF (form_unknown), /* for 'l' */ \ |
388 | REF (form_unknown), /* for 'L', 'q' */ \ |
389 | REF (form_unknown), /* for 'z', 'Z' */ \ |
390 | REF (form_percent), /* for '%' */ \ |
391 | REF (form_integer), /* for 'd', 'i' */ \ |
392 | REF (form_unsigned), /* for 'u' */ \ |
393 | REF (form_octal), /* for 'o' */ \ |
394 | REF (form_hexa), /* for 'X', 'x' */ \ |
395 | REF (form_unknown), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \ |
396 | REF (form_unknown), /* for 'c' */ \ |
397 | REF (form_unknown), /* for 's', 'S' */ \ |
398 | REF (form_unknown), /* for 'p' */ \ |
399 | REF (form_number), /* for 'n' */ \ |
400 | REF (form_unknown), /* for 'm' */ \ |
401 | REF (form_unknown), /* for 'C' */ \ |
402 | REF (form_unknown), /* for 'A', 'a' */ \ |
403 | REF (form_unknown), /* for 't' */ \ |
404 | REF (form_unknown), /* for 'j' */ \ |
405 | REF (form_unknown) /* for 'I' */ \ |
406 | }; \ |
407 | /* Step 3b: after processing first 'l' modifier. */ \ |
408 | static JUMP_TABLE_TYPE step3b_jumps[30] = \ |
409 | { \ |
410 | REF (form_unknown), \ |
411 | REF (form_unknown), /* for ' ' */ \ |
412 | REF (form_unknown), /* for '+' */ \ |
413 | REF (form_unknown), /* for '-' */ \ |
414 | REF (form_unknown), /* for '<hash>' */ \ |
415 | REF (form_unknown), /* for '0' */ \ |
416 | REF (form_unknown), /* for '\'' */ \ |
417 | REF (form_unknown), /* for '*' */ \ |
418 | REF (form_unknown), /* for '1'...'9' */ \ |
419 | REF (form_unknown), /* for '.' */ \ |
420 | REF (form_unknown), /* for 'h' */ \ |
421 | REF (mod_longlong), /* for 'l' */ \ |
422 | REF (form_unknown), /* for 'L', 'q' */ \ |
423 | REF (form_unknown), /* for 'z', 'Z' */ \ |
424 | REF (form_percent), /* for '%' */ \ |
425 | REF (form_integer), /* for 'd', 'i' */ \ |
426 | REF (form_unsigned), /* for 'u' */ \ |
427 | REF (form_octal), /* for 'o' */ \ |
428 | REF (form_hexa), /* for 'X', 'x' */ \ |
429 | REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \ |
430 | REF (form_character), /* for 'c' */ \ |
431 | REF (form_string), /* for 's', 'S' */ \ |
432 | REF (form_pointer), /* for 'p' */ \ |
433 | REF (form_number), /* for 'n' */ \ |
434 | REF (form_strerror), /* for 'm' */ \ |
435 | REF (form_wcharacter), /* for 'C' */ \ |
436 | REF (form_floathex), /* for 'A', 'a' */ \ |
437 | REF (form_unknown), /* for 't' */ \ |
438 | REF (form_unknown), /* for 'j' */ \ |
439 | REF (form_unknown) /* for 'I' */ \ |
440 | } |
441 | |
442 | #define STEP4_TABLE \ |
443 | /* Step 4: processing format specifier. */ \ |
444 | static JUMP_TABLE_TYPE step4_jumps[30] = \ |
445 | { \ |
446 | REF (form_unknown), \ |
447 | REF (form_unknown), /* for ' ' */ \ |
448 | REF (form_unknown), /* for '+' */ \ |
449 | REF (form_unknown), /* for '-' */ \ |
450 | REF (form_unknown), /* for '<hash>' */ \ |
451 | REF (form_unknown), /* for '0' */ \ |
452 | REF (form_unknown), /* for '\'' */ \ |
453 | REF (form_unknown), /* for '*' */ \ |
454 | REF (form_unknown), /* for '1'...'9' */ \ |
455 | REF (form_unknown), /* for '.' */ \ |
456 | REF (form_unknown), /* for 'h' */ \ |
457 | REF (form_unknown), /* for 'l' */ \ |
458 | REF (form_unknown), /* for 'L', 'q' */ \ |
459 | REF (form_unknown), /* for 'z', 'Z' */ \ |
460 | REF (form_percent), /* for '%' */ \ |
461 | REF (form_integer), /* for 'd', 'i' */ \ |
462 | REF (form_unsigned), /* for 'u' */ \ |
463 | REF (form_octal), /* for 'o' */ \ |
464 | REF (form_hexa), /* for 'X', 'x' */ \ |
465 | REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \ |
466 | REF (form_character), /* for 'c' */ \ |
467 | REF (form_string), /* for 's', 'S' */ \ |
468 | REF (form_pointer), /* for 'p' */ \ |
469 | REF (form_number), /* for 'n' */ \ |
470 | REF (form_strerror), /* for 'm' */ \ |
471 | REF (form_wcharacter), /* for 'C' */ \ |
472 | REF (form_floathex), /* for 'A', 'a' */ \ |
473 | REF (form_unknown), /* for 't' */ \ |
474 | REF (form_unknown), /* for 'j' */ \ |
475 | REF (form_unknown) /* for 'I' */ \ |
476 | } |
477 | |
478 | |
479 | #define process_arg(fspec) \ |
480 | /* Start real work. We know about all flags and modifiers and \ |
481 | now process the wanted format specifier. */ \ |
482 | LABEL (form_percent): \ |
483 | /* Write a literal "%". */ \ |
484 | outchar (L_('%')); \ |
485 | break; \ |
486 | \ |
487 | LABEL (form_integer): \ |
488 | /* Signed decimal integer. */ \ |
489 | base = 10; \ |
490 | \ |
491 | if (is_longlong) \ |
492 | { \ |
493 | long long int signed_number; \ |
494 | \ |
495 | if (fspec == NULL) \ |
496 | signed_number = va_arg (ap, long long int); \ |
497 | else \ |
498 | signed_number = args_value[fspec->data_arg].pa_long_long_int; \ |
499 | \ |
500 | is_negative = signed_number < 0; \ |
501 | number.longlong = is_negative ? (- signed_number) : signed_number; \ |
502 | \ |
503 | goto LABEL (longlong_number); \ |
504 | } \ |
505 | else \ |
506 | { \ |
507 | long int signed_number; \ |
508 | \ |
509 | if (fspec == NULL) \ |
510 | { \ |
511 | if (is_long_num) \ |
512 | signed_number = va_arg (ap, long int); \ |
513 | else if (is_char) \ |
514 | signed_number = (signed char) va_arg (ap, unsigned int); \ |
515 | else if (!is_short) \ |
516 | signed_number = va_arg (ap, int); \ |
517 | else \ |
518 | signed_number = (short int) va_arg (ap, unsigned int); \ |
519 | } \ |
520 | else \ |
521 | if (is_long_num) \ |
522 | signed_number = args_value[fspec->data_arg].pa_long_int; \ |
523 | else if (is_char) \ |
524 | signed_number = (signed char) \ |
525 | args_value[fspec->data_arg].pa_u_int; \ |
526 | else if (!is_short) \ |
527 | signed_number = args_value[fspec->data_arg].pa_int; \ |
528 | else \ |
529 | signed_number = (short int) \ |
530 | args_value[fspec->data_arg].pa_u_int; \ |
531 | \ |
532 | is_negative = signed_number < 0; \ |
533 | number.word = is_negative ? (- signed_number) : signed_number; \ |
534 | \ |
535 | goto LABEL (number); \ |
536 | } \ |
537 | /* NOTREACHED */ \ |
538 | \ |
539 | LABEL (form_unsigned): \ |
540 | /* Unsigned decimal integer. */ \ |
541 | base = 10; \ |
542 | goto LABEL (unsigned_number); \ |
543 | /* NOTREACHED */ \ |
544 | \ |
545 | LABEL (form_octal): \ |
546 | /* Unsigned octal integer. */ \ |
547 | base = 8; \ |
548 | goto LABEL (unsigned_number); \ |
549 | /* NOTREACHED */ \ |
550 | \ |
551 | LABEL (form_hexa): \ |
552 | /* Unsigned hexadecimal integer. */ \ |
553 | base = 16; \ |
554 | \ |
555 | LABEL (unsigned_number): /* Unsigned number of base BASE. */ \ |
556 | \ |
557 | /* ISO specifies the `+' and ` ' flags only for signed \ |
558 | conversions. */ \ |
559 | is_negative = 0; \ |
560 | showsign = 0; \ |
561 | space = 0; \ |
562 | \ |
563 | if (is_longlong) \ |
564 | { \ |
565 | if (fspec == NULL) \ |
566 | number.longlong = va_arg (ap, unsigned long long int); \ |
567 | else \ |
568 | number.longlong = args_value[fspec->data_arg].pa_u_long_long_int; \ |
569 | \ |
570 | LABEL (longlong_number): \ |
571 | if (prec < 0) \ |
572 | /* Supply a default precision if none was given. */ \ |
573 | prec = 1; \ |
574 | else \ |
575 | /* We have to take care for the '0' flag. If a precision \ |
576 | is given it must be ignored. */ \ |
577 | pad = L_(' '); \ |
578 | \ |
579 | /* If the precision is 0 and the number is 0 nothing has to \ |
580 | be written for the number, except for the 'o' format in \ |
581 | alternate form. */ \ |
582 | if (prec == 0 && number.longlong == 0) \ |
583 | { \ |
584 | string = workend; \ |
585 | if (base == 8 && alt) \ |
586 | *--string = L_('0'); \ |
587 | } \ |
588 | else \ |
589 | { \ |
590 | /* Put the number in WORK. */ \ |
591 | string = _itoa (number.longlong, workend, base, \ |
592 | spec == L_('X')); \ |
593 | if (group && grouping) \ |
594 | string = group_number (work_buffer, string, workend, \ |
595 | grouping, thousands_sep); \ |
596 | if (use_outdigits && base == 10) \ |
597 | string = _i18n_number_rewrite (string, workend, workend); \ |
598 | } \ |
599 | /* Simplify further test for num != 0. */ \ |
600 | number.word = number.longlong != 0; \ |
601 | } \ |
602 | else \ |
603 | { \ |
604 | if (fspec == NULL) \ |
605 | { \ |
606 | if (is_long_num) \ |
607 | number.word = va_arg (ap, unsigned long int); \ |
608 | else if (is_char) \ |
609 | number.word = (unsigned char) va_arg (ap, unsigned int); \ |
610 | else if (!is_short) \ |
611 | number.word = va_arg (ap, unsigned int); \ |
612 | else \ |
613 | number.word = (unsigned short int) va_arg (ap, unsigned int); \ |
614 | } \ |
615 | else \ |
616 | if (is_long_num) \ |
617 | number.word = args_value[fspec->data_arg].pa_u_long_int; \ |
618 | else if (is_char) \ |
619 | number.word = (unsigned char) \ |
620 | args_value[fspec->data_arg].pa_u_int; \ |
621 | else if (!is_short) \ |
622 | number.word = args_value[fspec->data_arg].pa_u_int; \ |
623 | else \ |
624 | number.word = (unsigned short int) \ |
625 | args_value[fspec->data_arg].pa_u_int; \ |
626 | \ |
627 | LABEL (number): \ |
628 | if (prec < 0) \ |
629 | /* Supply a default precision if none was given. */ \ |
630 | prec = 1; \ |
631 | else \ |
632 | /* We have to take care for the '0' flag. If a precision \ |
633 | is given it must be ignored. */ \ |
634 | pad = L_(' '); \ |
635 | \ |
636 | /* If the precision is 0 and the number is 0 nothing has to \ |
637 | be written for the number, except for the 'o' format in \ |
638 | alternate form. */ \ |
639 | if (prec == 0 && number.word == 0) \ |
640 | { \ |
641 | string = workend; \ |
642 | if (base == 8 && alt) \ |
643 | *--string = L_('0'); \ |
644 | } \ |
645 | else \ |
646 | { \ |
647 | /* Put the number in WORK. */ \ |
648 | string = _itoa_word (number.word, workend, base, \ |
649 | spec == L_('X')); \ |
650 | if (group && grouping) \ |
651 | string = group_number (work_buffer, string, workend, \ |
652 | grouping, thousands_sep); \ |
653 | if (use_outdigits && base == 10) \ |
654 | string = _i18n_number_rewrite (string, workend, workend); \ |
655 | } \ |
656 | } \ |
657 | \ |
658 | if (prec <= workend - string && number.word != 0 && alt && base == 8) \ |
659 | /* Add octal marker. */ \ |
660 | *--string = L_('0'); \ |
661 | \ |
662 | prec = MAX (0, prec - (workend - string)); \ |
663 | \ |
664 | if (!left) \ |
665 | { \ |
666 | width -= workend - string + prec; \ |
667 | \ |
668 | if (number.word != 0 && alt && base == 16) \ |
669 | /* Account for 0X hex marker. */ \ |
670 | width -= 2; \ |
671 | \ |
672 | if (is_negative || showsign || space) \ |
673 | --width; \ |
674 | \ |
675 | if (pad == L_(' ')) \ |
676 | { \ |
677 | PAD (L_(' ')); \ |
678 | width = 0; \ |
679 | } \ |
680 | \ |
681 | if (is_negative) \ |
682 | outchar (L_('-')); \ |
683 | else if (showsign) \ |
684 | outchar (L_('+')); \ |
685 | else if (space) \ |
686 | outchar (L_(' ')); \ |
687 | \ |
688 | if (number.word != 0 && alt && base == 16) \ |
689 | { \ |
690 | outchar (L_('0')); \ |
691 | outchar (spec); \ |
692 | } \ |
693 | \ |
694 | width += prec; \ |
695 | PAD (L_('0')); \ |
696 | \ |
697 | outstring (string, workend - string); \ |
698 | \ |
699 | break; \ |
700 | } \ |
701 | else \ |
702 | { \ |
703 | if (is_negative) \ |
704 | { \ |
705 | outchar (L_('-')); \ |
706 | --width; \ |
707 | } \ |
708 | else if (showsign) \ |
709 | { \ |
710 | outchar (L_('+')); \ |
711 | --width; \ |
712 | } \ |
713 | else if (space) \ |
714 | { \ |
715 | outchar (L_(' ')); \ |
716 | --width; \ |
717 | } \ |
718 | \ |
719 | if (number.word != 0 && alt && base == 16) \ |
720 | { \ |
721 | outchar (L_('0')); \ |
722 | outchar (spec); \ |
723 | width -= 2; \ |
724 | } \ |
725 | \ |
726 | width -= workend - string + prec; \ |
727 | \ |
728 | if (prec > 0) \ |
729 | { \ |
730 | int temp = width; \ |
731 | width = prec; \ |
732 | PAD (L_('0')); \ |
733 | width = temp; \ |
734 | } \ |
735 | \ |
736 | outstring (string, workend - string); \ |
737 | \ |
738 | PAD (L_(' ')); \ |
739 | break; \ |
740 | } \ |
741 | \ |
742 | LABEL (form_float): \ |
743 | { \ |
744 | /* Floating-point number. This is handled by printf_fp.c. */ \ |
745 | const void *ptr; \ |
746 | int function_done; \ |
747 | \ |
748 | if (fspec == NULL) \ |
749 | { \ |
750 | if (__ldbl_is_dbl) \ |
751 | is_long_double = 0; \ |
752 | \ |
753 | struct printf_info info = { .prec = prec, \ |
754 | .width = width, \ |
755 | .spec = spec, \ |
756 | .is_long_double = is_long_double, \ |
757 | .is_short = is_short, \ |
758 | .is_long = is_long, \ |
759 | .alt = alt, \ |
760 | .space = space, \ |
761 | .left = left, \ |
762 | .showsign = showsign, \ |
763 | .group = group, \ |
764 | .pad = pad, \ |
765 | .extra = 0, \ |
766 | .i18n = use_outdigits, \ |
767 | .wide = sizeof (CHAR_T) != 1, \ |
768 | .is_binary128 = 0}; \ |
769 | \ |
770 | if (is_long_double) \ |
771 | the_arg.pa_long_double = va_arg (ap, long double); \ |
772 | else \ |
773 | the_arg.pa_double = va_arg (ap, double); \ |
774 | ptr = (const void *) &the_arg; \ |
775 | \ |
776 | function_done = __printf_fp (s, &info, &ptr); \ |
777 | } \ |
778 | else \ |
779 | { \ |
780 | ptr = (const void *) &args_value[fspec->data_arg]; \ |
781 | if (__ldbl_is_dbl) \ |
782 | { \ |
783 | fspec->data_arg_type = PA_DOUBLE; \ |
784 | fspec->info.is_long_double = 0; \ |
785 | } \ |
786 | /* Not supported by *printf functions. */ \ |
787 | fspec->info.is_binary128 = 0; \ |
788 | \ |
789 | function_done = __printf_fp (s, &fspec->info, &ptr); \ |
790 | } \ |
791 | \ |
792 | if (function_done < 0) \ |
793 | { \ |
794 | /* Error in print handler; up to handler to set errno. */ \ |
795 | done = -1; \ |
796 | goto all_done; \ |
797 | } \ |
798 | \ |
799 | done_add (function_done); \ |
800 | } \ |
801 | break; \ |
802 | \ |
803 | LABEL (form_floathex): \ |
804 | { \ |
805 | /* Floating point number printed as hexadecimal number. */ \ |
806 | const void *ptr; \ |
807 | int function_done; \ |
808 | \ |
809 | if (fspec == NULL) \ |
810 | { \ |
811 | if (__ldbl_is_dbl) \ |
812 | is_long_double = 0; \ |
813 | \ |
814 | struct printf_info info = { .prec = prec, \ |
815 | .width = width, \ |
816 | .spec = spec, \ |
817 | .is_long_double = is_long_double, \ |
818 | .is_short = is_short, \ |
819 | .is_long = is_long, \ |
820 | .alt = alt, \ |
821 | .space = space, \ |
822 | .left = left, \ |
823 | .showsign = showsign, \ |
824 | .group = group, \ |
825 | .pad = pad, \ |
826 | .extra = 0, \ |
827 | .wide = sizeof (CHAR_T) != 1, \ |
828 | .is_binary128 = 0}; \ |
829 | \ |
830 | if (is_long_double) \ |
831 | the_arg.pa_long_double = va_arg (ap, long double); \ |
832 | else \ |
833 | the_arg.pa_double = va_arg (ap, double); \ |
834 | ptr = (const void *) &the_arg; \ |
835 | \ |
836 | function_done = __printf_fphex (s, &info, &ptr); \ |
837 | } \ |
838 | else \ |
839 | { \ |
840 | ptr = (const void *) &args_value[fspec->data_arg]; \ |
841 | if (__ldbl_is_dbl) \ |
842 | fspec->info.is_long_double = 0; \ |
843 | /* Not supported by *printf functions. */ \ |
844 | fspec->info.is_binary128 = 0; \ |
845 | \ |
846 | function_done = __printf_fphex (s, &fspec->info, &ptr); \ |
847 | } \ |
848 | \ |
849 | if (function_done < 0) \ |
850 | { \ |
851 | /* Error in print handler; up to handler to set errno. */ \ |
852 | done = -1; \ |
853 | goto all_done; \ |
854 | } \ |
855 | \ |
856 | done_add (function_done); \ |
857 | } \ |
858 | break; \ |
859 | \ |
860 | LABEL (form_pointer): \ |
861 | /* Generic pointer. */ \ |
862 | { \ |
863 | const void *ptr; \ |
864 | if (fspec == NULL) \ |
865 | ptr = va_arg (ap, void *); \ |
866 | else \ |
867 | ptr = args_value[fspec->data_arg].pa_pointer; \ |
868 | if (ptr != NULL) \ |
869 | { \ |
870 | /* If the pointer is not NULL, write it as a %#x spec. */ \ |
871 | base = 16; \ |
872 | number.word = (unsigned long int) ptr; \ |
873 | is_negative = 0; \ |
874 | alt = 1; \ |
875 | group = 0; \ |
876 | spec = L_('x'); \ |
877 | goto LABEL (number); \ |
878 | } \ |
879 | else \ |
880 | { \ |
881 | /* Write "(nil)" for a nil pointer. */ \ |
882 | string = (CHAR_T *) L_("(nil)"); \ |
883 | /* Make sure the full string "(nil)" is printed. */ \ |
884 | if (prec < 5) \ |
885 | prec = 5; \ |
886 | /* This is a wide string iff compiling wprintf. */ \ |
887 | is_long = sizeof (CHAR_T) > 1; \ |
888 | goto LABEL (print_string); \ |
889 | } \ |
890 | } \ |
891 | /* NOTREACHED */ \ |
892 | \ |
893 | LABEL (form_number): \ |
894 | if (s->_flags2 & _IO_FLAGS2_FORTIFY) \ |
895 | { \ |
896 | if (! readonly_format) \ |
897 | { \ |
898 | extern int __readonly_area (const void *, size_t) \ |
899 | attribute_hidden; \ |
900 | readonly_format \ |
901 | = __readonly_area (format, ((STR_LEN (format) + 1) \ |
902 | * sizeof (CHAR_T))); \ |
903 | } \ |
904 | if (readonly_format < 0) \ |
905 | __libc_fatal ("*** %n in writable segment detected ***\n"); \ |
906 | } \ |
907 | /* Answer the count of characters written. */ \ |
908 | if (fspec == NULL) \ |
909 | { \ |
910 | if (is_longlong) \ |
911 | *(long long int *) va_arg (ap, void *) = done; \ |
912 | else if (is_long_num) \ |
913 | *(long int *) va_arg (ap, void *) = done; \ |
914 | else if (is_char) \ |
915 | *(char *) va_arg (ap, void *) = done; \ |
916 | else if (!is_short) \ |
917 | *(int *) va_arg (ap, void *) = done; \ |
918 | else \ |
919 | *(short int *) va_arg (ap, void *) = done; \ |
920 | } \ |
921 | else \ |
922 | if (is_longlong) \ |
923 | *(long long int *) args_value[fspec->data_arg].pa_pointer = done; \ |
924 | else if (is_long_num) \ |
925 | *(long int *) args_value[fspec->data_arg].pa_pointer = done; \ |
926 | else if (is_char) \ |
927 | *(char *) args_value[fspec->data_arg].pa_pointer = done; \ |
928 | else if (!is_short) \ |
929 | *(int *) args_value[fspec->data_arg].pa_pointer = done; \ |
930 | else \ |
931 | *(short int *) args_value[fspec->data_arg].pa_pointer = done; \ |
932 | break; \ |
933 | \ |
934 | LABEL (form_strerror): \ |
935 | /* Print description of error ERRNO. */ \ |
936 | string = \ |
937 | (CHAR_T *) __strerror_r (save_errno, (char *) work_buffer, \ |
938 | WORK_BUFFER_SIZE * sizeof (CHAR_T)); \ |
939 | is_long = 0; /* This is no wide-char string. */ \ |
940 | goto LABEL (print_string) |
941 | |
942 | #ifdef COMPILE_WPRINTF |
943 | # define process_string_arg(fspec) \ |
944 | LABEL (form_character): \ |
945 | /* Character. */ \ |
946 | if (is_long) \ |
947 | goto LABEL (form_wcharacter); \ |
948 | --width; /* Account for the character itself. */ \ |
949 | if (!left) \ |
950 | PAD (L' '); \ |
951 | if (fspec == NULL) \ |
952 | outchar (__btowc ((unsigned char) va_arg (ap, int))); /* Promoted. */ \ |
953 | else \ |
954 | outchar (__btowc ((unsigned char) \ |
955 | args_value[fspec->data_arg].pa_int)); \ |
956 | if (left) \ |
957 | PAD (L' '); \ |
958 | break; \ |
959 | \ |
960 | LABEL (form_wcharacter): \ |
961 | { \ |
962 | /* Wide character. */ \ |
963 | --width; \ |
964 | if (!left) \ |
965 | PAD (L' '); \ |
966 | if (fspec == NULL) \ |
967 | outchar (va_arg (ap, wchar_t)); \ |
968 | else \ |
969 | outchar (args_value[fspec->data_arg].pa_wchar); \ |
970 | if (left) \ |
971 | PAD (L' '); \ |
972 | } \ |
973 | break; \ |
974 | \ |
975 | LABEL (form_string): \ |
976 | { \ |
977 | size_t len; \ |
978 | int string_malloced; \ |
979 | \ |
980 | /* The string argument could in fact be `char *' or `wchar_t *'. \ |
981 | But this should not make a difference here. */ \ |
982 | if (fspec == NULL) \ |
983 | string = (CHAR_T *) va_arg (ap, const wchar_t *); \ |
984 | else \ |
985 | string = (CHAR_T *) args_value[fspec->data_arg].pa_wstring; \ |
986 | \ |
987 | /* Entry point for printing other strings. */ \ |
988 | LABEL (print_string): \ |
989 | \ |
990 | string_malloced = 0; \ |
991 | if (string == NULL) \ |
992 | { \ |
993 | /* Write "(null)" if there's space. */ \ |
994 | if (prec == -1 || prec >= (int) array_length (null) - 1) \ |
995 | { \ |
996 | string = (CHAR_T *) null; \ |
997 | len = array_length (null) - 1; \ |
998 | } \ |
999 | else \ |
1000 | { \ |
1001 | string = (CHAR_T *) L""; \ |
1002 | len = 0; \ |
1003 | } \ |
1004 | } \ |
1005 | else if (!is_long && spec != L_('S')) \ |
1006 | { \ |
1007 | /* This is complicated. We have to transform the multibyte \ |
1008 | string into a wide character string. */ \ |
1009 | const char *mbs = (const char *) string; \ |
1010 | mbstate_t mbstate; \ |
1011 | \ |
1012 | len = prec != -1 ? __strnlen (mbs, (size_t) prec) : strlen (mbs); \ |
1013 | \ |
1014 | /* Allocate dynamically an array which definitely is long \ |
1015 | enough for the wide character version. Each byte in the \ |
1016 | multi-byte string can produce at most one wide character. */ \ |
1017 | if (__glibc_unlikely (len > SIZE_MAX / sizeof (wchar_t))) \ |
1018 | { \ |
1019 | __set_errno (EOVERFLOW); \ |
1020 | done = -1; \ |
1021 | goto all_done; \ |
1022 | } \ |
1023 | else if (__libc_use_alloca (len * sizeof (wchar_t))) \ |
1024 | string = (CHAR_T *) alloca (len * sizeof (wchar_t)); \ |
1025 | else if ((string = (CHAR_T *) malloc (len * sizeof (wchar_t))) \ |
1026 | == NULL) \ |
1027 | { \ |
1028 | done = -1; \ |
1029 | goto all_done; \ |
1030 | } \ |
1031 | else \ |
1032 | string_malloced = 1; \ |
1033 | \ |
1034 | memset (&mbstate, '\0', sizeof (mbstate_t)); \ |
1035 | len = __mbsrtowcs (string, &mbs, len, &mbstate); \ |
1036 | if (len == (size_t) -1) \ |
1037 | { \ |
1038 | /* Illegal multibyte character. */ \ |
1039 | done = -1; \ |
1040 | goto all_done; \ |
1041 | } \ |
1042 | } \ |
1043 | else \ |
1044 | { \ |
1045 | if (prec != -1) \ |
1046 | /* Search for the end of the string, but don't search past \ |
1047 | the length specified by the precision. */ \ |
1048 | len = __wcsnlen (string, prec); \ |
1049 | else \ |
1050 | len = __wcslen (string); \ |
1051 | } \ |
1052 | \ |
1053 | if ((width -= len) < 0) \ |
1054 | { \ |
1055 | outstring (string, len); \ |
1056 | break; \ |
1057 | } \ |
1058 | \ |
1059 | if (!left) \ |
1060 | PAD (L' '); \ |
1061 | outstring (string, len); \ |
1062 | if (left) \ |
1063 | PAD (L' '); \ |
1064 | if (__glibc_unlikely (string_malloced)) \ |
1065 | free (string); \ |
1066 | } \ |
1067 | break; |
1068 | #else |
1069 | # define process_string_arg(fspec) \ |
1070 | LABEL (form_character): \ |
1071 | /* Character. */ \ |
1072 | if (is_long) \ |
1073 | goto LABEL (form_wcharacter); \ |
1074 | --width; /* Account for the character itself. */ \ |
1075 | if (!left) \ |
1076 | PAD (' '); \ |
1077 | if (fspec == NULL) \ |
1078 | outchar ((unsigned char) va_arg (ap, int)); /* Promoted. */ \ |
1079 | else \ |
1080 | outchar ((unsigned char) args_value[fspec->data_arg].pa_int); \ |
1081 | if (left) \ |
1082 | PAD (' '); \ |
1083 | break; \ |
1084 | \ |
1085 | LABEL (form_wcharacter): \ |
1086 | { \ |
1087 | /* Wide character. */ \ |
1088 | char buf[MB_LEN_MAX]; \ |
1089 | mbstate_t mbstate; \ |
1090 | size_t len; \ |
1091 | \ |
1092 | memset (&mbstate, '\0', sizeof (mbstate_t)); \ |
1093 | len = __wcrtomb (buf, (fspec == NULL ? va_arg (ap, wchar_t) \ |
1094 | : args_value[fspec->data_arg].pa_wchar), \ |
1095 | &mbstate); \ |
1096 | if (len == (size_t) -1) \ |
1097 | { \ |
1098 | /* Something went wrong during the conversion. Bail out. */ \ |
1099 | done = -1; \ |
1100 | goto all_done; \ |
1101 | } \ |
1102 | width -= len; \ |
1103 | if (!left) \ |
1104 | PAD (' '); \ |
1105 | outstring (buf, len); \ |
1106 | if (left) \ |
1107 | PAD (' '); \ |
1108 | } \ |
1109 | break; \ |
1110 | \ |
1111 | LABEL (form_string): \ |
1112 | { \ |
1113 | size_t len; \ |
1114 | int string_malloced; \ |
1115 | \ |
1116 | /* The string argument could in fact be `char *' or `wchar_t *'. \ |
1117 | But this should not make a difference here. */ \ |
1118 | if (fspec == NULL) \ |
1119 | string = (char *) va_arg (ap, const char *); \ |
1120 | else \ |
1121 | string = (char *) args_value[fspec->data_arg].pa_string; \ |
1122 | \ |
1123 | /* Entry point for printing other strings. */ \ |
1124 | LABEL (print_string): \ |
1125 | \ |
1126 | string_malloced = 0; \ |
1127 | if (string == NULL) \ |
1128 | { \ |
1129 | /* Write "(null)" if there's space. */ \ |
1130 | if (prec == -1 || prec >= (int) sizeof (null) - 1) \ |
1131 | { \ |
1132 | string = (char *) null; \ |
1133 | len = sizeof (null) - 1; \ |
1134 | } \ |
1135 | else \ |
1136 | { \ |
1137 | string = (char *) ""; \ |
1138 | len = 0; \ |
1139 | } \ |
1140 | } \ |
1141 | else if (!is_long && spec != L_('S')) \ |
1142 | { \ |
1143 | if (prec != -1) \ |
1144 | /* Search for the end of the string, but don't search past \ |
1145 | the length (in bytes) specified by the precision. */ \ |
1146 | len = __strnlen (string, prec); \ |
1147 | else \ |
1148 | len = strlen (string); \ |
1149 | } \ |
1150 | else \ |
1151 | { \ |
1152 | const wchar_t *s2 = (const wchar_t *) string; \ |
1153 | mbstate_t mbstate; \ |
1154 | \ |
1155 | memset (&mbstate, '\0', sizeof (mbstate_t)); \ |
1156 | \ |
1157 | if (prec >= 0) \ |
1158 | { \ |
1159 | /* The string `s2' might not be NUL terminated. */ \ |
1160 | if (__libc_use_alloca (prec)) \ |
1161 | string = (char *) alloca (prec); \ |
1162 | else if ((string = (char *) malloc (prec)) == NULL) \ |
1163 | { \ |
1164 | done = -1; \ |
1165 | goto all_done; \ |
1166 | } \ |
1167 | else \ |
1168 | string_malloced = 1; \ |
1169 | len = __wcsrtombs (string, &s2, prec, &mbstate); \ |
1170 | } \ |
1171 | else \ |
1172 | { \ |
1173 | len = __wcsrtombs (NULL, &s2, 0, &mbstate); \ |
1174 | if (len != (size_t) -1) \ |
1175 | { \ |
1176 | assert (__mbsinit (&mbstate)); \ |
1177 | s2 = (const wchar_t *) string; \ |
1178 | if (__libc_use_alloca (len + 1)) \ |
1179 | string = (char *) alloca (len + 1); \ |
1180 | else if ((string = (char *) malloc (len + 1)) == NULL) \ |
1181 | { \ |
1182 | done = -1; \ |
1183 | goto all_done; \ |
1184 | } \ |
1185 | else \ |
1186 | string_malloced = 1; \ |
1187 | (void) __wcsrtombs (string, &s2, len + 1, &mbstate); \ |
1188 | } \ |
1189 | } \ |
1190 | \ |
1191 | if (len == (size_t) -1) \ |
1192 | { \ |
1193 | /* Illegal wide-character string. */ \ |
1194 | done = -1; \ |
1195 | goto all_done; \ |
1196 | } \ |
1197 | } \ |
1198 | \ |
1199 | if ((width -= len) < 0) \ |
1200 | { \ |
1201 | outstring (string, len); \ |
1202 | break; \ |
1203 | } \ |
1204 | \ |
1205 | if (!left) \ |
1206 | PAD (' '); \ |
1207 | outstring (string, len); \ |
1208 | if (left) \ |
1209 | PAD (' '); \ |
1210 | if (__glibc_unlikely (string_malloced)) \ |
1211 | free (string); \ |
1212 | } \ |
1213 | break; |
1214 | #endif |
1215 | |
1216 | /* Helper function to provide temporary buffering for unbuffered streams. */ |
1217 | static int buffered_vfprintf (FILE *stream, const CHAR_T *fmt, va_list) |
1218 | __THROW __attribute__ ((noinline)); |
1219 | |
1220 | /* Handle positional format specifiers. */ |
1221 | static int printf_positional (FILE *s, |
1222 | const CHAR_T *format, int readonly_format, |
1223 | va_list ap, va_list *ap_savep, int done, |
1224 | int nspecs_done, const UCHAR_T *lead_str_end, |
1225 | CHAR_T *work_buffer, int save_errno, |
1226 | const char *grouping, THOUSANDS_SEP_T); |
1227 | |
1228 | /* Handle unknown format specifier. */ |
1229 | static int printf_unknown (FILE *, const struct printf_info *, |
1230 | const void *const *) __THROW; |
1231 | |
1232 | /* Group digits of number string. */ |
1233 | static CHAR_T *group_number (CHAR_T *, CHAR_T *, CHAR_T *, const char *, |
1234 | THOUSANDS_SEP_T); |
1235 | |
1236 | /* The function itself. */ |
1237 | int |
1238 | vfprintf (FILE *s, const CHAR_T *format, va_list ap) |
1239 | { |
1240 | /* The character used as thousands separator. */ |
1241 | THOUSANDS_SEP_T thousands_sep = 0; |
1242 | |
1243 | /* The string describing the size of groups of digits. */ |
1244 | const char *grouping; |
1245 | |
1246 | /* Place to accumulate the result. */ |
1247 | int done; |
1248 | |
1249 | /* Current character in format string. */ |
1250 | const UCHAR_T *f; |
1251 | |
1252 | /* End of leading constant string. */ |
1253 | const UCHAR_T *lead_str_end; |
1254 | |
1255 | /* Points to next format specifier. */ |
1256 | const UCHAR_T *end_of_spec; |
1257 | |
1258 | /* Buffer intermediate results. */ |
1259 | CHAR_T work_buffer[WORK_BUFFER_SIZE]; |
1260 | CHAR_T *workstart = NULL; |
1261 | CHAR_T *workend; |
1262 | |
1263 | /* We have to save the original argument pointer. */ |
1264 | va_list ap_save; |
1265 | |
1266 | /* Count number of specifiers we already processed. */ |
1267 | int nspecs_done; |
1268 | |
1269 | /* For the %m format we may need the current `errno' value. */ |
1270 | int save_errno = errno; |
1271 | |
1272 | /* 1 if format is in read-only memory, -1 if it is in writable memory, |
1273 | 0 if unknown. */ |
1274 | int readonly_format = 0; |
1275 | |
1276 | /* Orient the stream. */ |
1277 | #ifdef ORIENT |
1278 | ORIENT; |
1279 | #endif |
1280 | |
1281 | /* Sanity check of arguments. */ |
1282 | ARGCHECK (s, format); |
1283 | |
1284 | #ifdef ORIENT |
1285 | /* Check for correct orientation. */ |
1286 | if (_IO_vtable_offset (s) == 0 && |
1287 | _IO_fwide (s, sizeof (CHAR_T) == 1 ? -1 : 1) |
1288 | != (sizeof (CHAR_T) == 1 ? -1 : 1)) |
1289 | /* The stream is already oriented otherwise. */ |
1290 | return EOF; |
1291 | #endif |
1292 | |
1293 | if (UNBUFFERED_P (s)) |
1294 | /* Use a helper function which will allocate a local temporary buffer |
1295 | for the stream and then call us again. */ |
1296 | return buffered_vfprintf (s, format, ap); |
1297 | |
1298 | /* Initialize local variables. */ |
1299 | done = 0; |
1300 | grouping = (const char *) -1; |
1301 | #ifdef __va_copy |
1302 | /* This macro will be available soon in gcc's <stdarg.h>. We need it |
1303 | since on some systems `va_list' is not an integral type. */ |
1304 | __va_copy (ap_save, ap); |
1305 | #else |
1306 | ap_save = ap; |
1307 | #endif |
1308 | nspecs_done = 0; |
1309 | |
1310 | #ifdef COMPILE_WPRINTF |
1311 | /* Find the first format specifier. */ |
1312 | f = lead_str_end = __find_specwc ((const UCHAR_T *) format); |
1313 | #else |
1314 | /* Find the first format specifier. */ |
1315 | f = lead_str_end = __find_specmb ((const UCHAR_T *) format); |
1316 | #endif |
1317 | |
1318 | /* Lock stream. */ |
1319 | _IO_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, s); |
1320 | _IO_flockfile (s); |
1321 | |
1322 | /* Write the literal text before the first format. */ |
1323 | outstring ((const UCHAR_T *) format, |
1324 | lead_str_end - (const UCHAR_T *) format); |
1325 | |
1326 | /* If we only have to print a simple string, return now. */ |
1327 | if (*f == L_('\0')) |
1328 | goto all_done; |
1329 | |
1330 | /* Use the slow path in case any printf handler is registered. */ |
1331 | if (__glibc_unlikely (__printf_function_table != NULL |
1332 | || __printf_modifier_table != NULL |
1333 | || __printf_va_arg_table != NULL)) |
1334 | goto do_positional; |
1335 | |
1336 | /* Process whole format string. */ |
1337 | do |
1338 | { |
1339 | STEP0_3_TABLE; |
1340 | STEP4_TABLE; |
1341 | |
1342 | union printf_arg *args_value; /* This is not used here but ... */ |
1343 | int is_negative; /* Flag for negative number. */ |
1344 | union |
1345 | { |
1346 | unsigned long long int longlong; |
1347 | unsigned long int word; |
1348 | } number; |
1349 | int base; |
1350 | union printf_arg the_arg; |
1351 | CHAR_T *string; /* Pointer to argument string. */ |
1352 | int alt = 0; /* Alternate format. */ |
1353 | int space = 0; /* Use space prefix if no sign is needed. */ |
1354 | int left = 0; /* Left-justify output. */ |
1355 | int showsign = 0; /* Always begin with plus or minus sign. */ |
1356 | int group = 0; /* Print numbers according grouping rules. */ |
1357 | int is_long_double = 0; /* Argument is long double/ long long int. */ |
1358 | int is_short = 0; /* Argument is short int. */ |
1359 | int is_long = 0; /* Argument is long int. */ |
1360 | int is_char = 0; /* Argument is promoted (unsigned) char. */ |
1361 | int width = 0; /* Width of output; 0 means none specified. */ |
1362 | int prec = -1; /* Precision of output; -1 means none specified. */ |
1363 | /* This flag is set by the 'I' modifier and selects the use of the |
1364 | `outdigits' as determined by the current locale. */ |
1365 | int use_outdigits = 0; |
1366 | UCHAR_T pad = L_(' ');/* Padding character. */ |
1367 | CHAR_T spec; |
1368 | |
1369 | workstart = NULL; |
1370 | workend = work_buffer + WORK_BUFFER_SIZE; |
1371 | |
1372 | /* Get current character in format string. */ |
1373 | JUMP (*++f, step0_jumps); |
1374 | |
1375 | /* ' ' flag. */ |
1376 | LABEL (flag_space): |
1377 | space = 1; |
1378 | JUMP (*++f, step0_jumps); |
1379 | |
1380 | /* '+' flag. */ |
1381 | LABEL (flag_plus): |
1382 | showsign = 1; |
1383 | JUMP (*++f, step0_jumps); |
1384 | |
1385 | /* The '-' flag. */ |
1386 | LABEL (flag_minus): |
1387 | left = 1; |
1388 | pad = L_(' '); |
1389 | JUMP (*++f, step0_jumps); |
1390 | |
1391 | /* The '#' flag. */ |
1392 | LABEL (flag_hash): |
1393 | alt = 1; |
1394 | JUMP (*++f, step0_jumps); |
1395 | |
1396 | /* The '0' flag. */ |
1397 | LABEL (flag_zero): |
1398 | if (!left) |
1399 | pad = L_('0'); |
1400 | JUMP (*++f, step0_jumps); |
1401 | |
1402 | /* The '\'' flag. */ |
1403 | LABEL (flag_quote): |
1404 | group = 1; |
1405 | |
1406 | if (grouping == (const char *) -1) |
1407 | { |
1408 | #ifdef COMPILE_WPRINTF |
1409 | thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC, |
1410 | _NL_NUMERIC_THOUSANDS_SEP_WC); |
1411 | #else |
1412 | thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP); |
1413 | #endif |
1414 | |
1415 | grouping = _NL_CURRENT (LC_NUMERIC, GROUPING); |
1416 | if (*grouping == '\0' || *grouping == CHAR_MAX |
1417 | #ifdef COMPILE_WPRINTF |
1418 | || thousands_sep == L'\0' |
1419 | #else |
1420 | || *thousands_sep == '\0' |
1421 | #endif |
1422 | ) |
1423 | grouping = NULL; |
1424 | } |
1425 | JUMP (*++f, step0_jumps); |
1426 | |
1427 | LABEL (flag_i18n): |
1428 | use_outdigits = 1; |
1429 | JUMP (*++f, step0_jumps); |
1430 | |
1431 | /* Get width from argument. */ |
1432 | LABEL (width_asterics): |
1433 | { |
1434 | const UCHAR_T *tmp; /* Temporary value. */ |
1435 | |
1436 | tmp = ++f; |
1437 | if (ISDIGIT (*tmp)) |
1438 | { |
1439 | int pos = read_int (&tmp); |
1440 | |
1441 | if (pos == -1) |
1442 | { |
1443 | __set_errno (EOVERFLOW); |
1444 | done = -1; |
1445 | goto all_done; |
1446 | } |
1447 | |
1448 | if (pos && *tmp == L_('$')) |
1449 | /* The width comes from a positional parameter. */ |
1450 | goto do_positional; |
1451 | } |
1452 | width = va_arg (ap, int); |
1453 | |
1454 | /* Negative width means left justified. */ |
1455 | if (width < 0) |
1456 | { |
1457 | width = -width; |
1458 | pad = L_(' '); |
1459 | left = 1; |
1460 | } |
1461 | |
1462 | if (__glibc_unlikely (width >= INT_MAX / sizeof (CHAR_T) - EXTSIZ)) |
1463 | { |
1464 | __set_errno (EOVERFLOW); |
1465 | done = -1; |
1466 | goto all_done; |
1467 | } |
1468 | |
1469 | if (width >= WORK_BUFFER_SIZE - EXTSIZ) |
1470 | { |
1471 | /* We have to use a special buffer. */ |
1472 | size_t needed = ((size_t) width + EXTSIZ) * sizeof (CHAR_T); |
1473 | if (__libc_use_alloca (needed)) |
1474 | workend = (CHAR_T *) alloca (needed) + width + EXTSIZ; |
1475 | else |
1476 | { |
1477 | workstart = (CHAR_T *) malloc (needed); |
1478 | if (workstart == NULL) |
1479 | { |
1480 | done = -1; |
1481 | goto all_done; |
1482 | } |
1483 | workend = workstart + width + EXTSIZ; |
1484 | } |
1485 | } |
1486 | } |
1487 | JUMP (*f, step1_jumps); |
1488 | |
1489 | /* Given width in format string. */ |
1490 | LABEL (width): |
1491 | width = read_int (&f); |
1492 | |
1493 | if (__glibc_unlikely (width == -1 |
1494 | || width >= INT_MAX / sizeof (CHAR_T) - EXTSIZ)) |
1495 | { |
1496 | __set_errno (EOVERFLOW); |
1497 | done = -1; |
1498 | goto all_done; |
1499 | } |
1500 | |
1501 | if (width >= WORK_BUFFER_SIZE - EXTSIZ) |
1502 | { |
1503 | /* We have to use a special buffer. */ |
1504 | size_t needed = ((size_t) width + EXTSIZ) * sizeof (CHAR_T); |
1505 | if (__libc_use_alloca (needed)) |
1506 | workend = (CHAR_T *) alloca (needed) + width + EXTSIZ; |
1507 | else |
1508 | { |
1509 | workstart = (CHAR_T *) malloc (needed); |
1510 | if (workstart == NULL) |
1511 | { |
1512 | done = -1; |
1513 | goto all_done; |
1514 | } |
1515 | workend = workstart + width + EXTSIZ; |
1516 | } |
1517 | } |
1518 | if (*f == L_('$')) |
1519 | /* Oh, oh. The argument comes from a positional parameter. */ |
1520 | goto do_positional; |
1521 | JUMP (*f, step1_jumps); |
1522 | |
1523 | LABEL (precision): |
1524 | ++f; |
1525 | if (*f == L_('*')) |
1526 | { |
1527 | const UCHAR_T *tmp; /* Temporary value. */ |
1528 | |
1529 | tmp = ++f; |
1530 | if (ISDIGIT (*tmp)) |
1531 | { |
1532 | int pos = read_int (&tmp); |
1533 | |
1534 | if (pos == -1) |
1535 | { |
1536 | __set_errno (EOVERFLOW); |
1537 | done = -1; |
1538 | goto all_done; |
1539 | } |
1540 | |
1541 | if (pos && *tmp == L_('$')) |
1542 | /* The precision comes from a positional parameter. */ |
1543 | goto do_positional; |
1544 | } |
1545 | prec = va_arg (ap, int); |
1546 | |
1547 | /* If the precision is negative the precision is omitted. */ |
1548 | if (prec < 0) |
1549 | prec = -1; |
1550 | } |
1551 | else if (ISDIGIT (*f)) |
1552 | { |
1553 | prec = read_int (&f); |
1554 | |
1555 | /* The precision was specified in this case as an extremely |
1556 | large positive value. */ |
1557 | if (prec == -1) |
1558 | { |
1559 | __set_errno (EOVERFLOW); |
1560 | done = -1; |
1561 | goto all_done; |
1562 | } |
1563 | } |
1564 | else |
1565 | prec = 0; |
1566 | if (prec > width && prec > WORK_BUFFER_SIZE - EXTSIZ) |
1567 | { |
1568 | /* Deallocate any previously allocated buffer because it is |
1569 | too small. */ |
1570 | if (__glibc_unlikely (workstart != NULL)) |
1571 | free (workstart); |
1572 | workstart = NULL; |
1573 | if (__glibc_unlikely (prec >= INT_MAX / sizeof (CHAR_T) - EXTSIZ)) |
1574 | { |
1575 | __set_errno (EOVERFLOW); |
1576 | done = -1; |
1577 | goto all_done; |
1578 | } |
1579 | size_t needed = ((size_t) prec + EXTSIZ) * sizeof (CHAR_T); |
1580 | |
1581 | if (__libc_use_alloca (needed)) |
1582 | workend = (CHAR_T *) alloca (needed) + prec + EXTSIZ; |
1583 | else |
1584 | { |
1585 | workstart = (CHAR_T *) malloc (needed); |
1586 | if (workstart == NULL) |
1587 | { |
1588 | done = -1; |
1589 | goto all_done; |
1590 | } |
1591 | workend = workstart + prec + EXTSIZ; |
1592 | } |
1593 | } |
1594 | JUMP (*f, step2_jumps); |
1595 | |
1596 | /* Process 'h' modifier. There might another 'h' following. */ |
1597 | LABEL (mod_half): |
1598 | is_short = 1; |
1599 | JUMP (*++f, step3a_jumps); |
1600 | |
1601 | /* Process 'hh' modifier. */ |
1602 | LABEL (mod_halfhalf): |
1603 | is_short = 0; |
1604 | is_char = 1; |
1605 | JUMP (*++f, step4_jumps); |
1606 | |
1607 | /* Process 'l' modifier. There might another 'l' following. */ |
1608 | LABEL (mod_long): |
1609 | is_long = 1; |
1610 | JUMP (*++f, step3b_jumps); |
1611 | |
1612 | /* Process 'L', 'q', or 'll' modifier. No other modifier is |
1613 | allowed to follow. */ |
1614 | LABEL (mod_longlong): |
1615 | is_long_double = 1; |
1616 | is_long = 1; |
1617 | JUMP (*++f, step4_jumps); |
1618 | |
1619 | LABEL (mod_size_t): |
1620 | is_long_double = sizeof (size_t) > sizeof (unsigned long int); |
1621 | is_long = sizeof (size_t) > sizeof (unsigned int); |
1622 | JUMP (*++f, step4_jumps); |
1623 | |
1624 | LABEL (mod_ptrdiff_t): |
1625 | is_long_double = sizeof (ptrdiff_t) > sizeof (unsigned long int); |
1626 | is_long = sizeof (ptrdiff_t) > sizeof (unsigned int); |
1627 | JUMP (*++f, step4_jumps); |
1628 | |
1629 | LABEL (mod_intmax_t): |
1630 | is_long_double = sizeof (intmax_t) > sizeof (unsigned long int); |
1631 | is_long = sizeof (intmax_t) > sizeof (unsigned int); |
1632 | JUMP (*++f, step4_jumps); |
1633 | |
1634 | /* Process current format. */ |
1635 | while (1) |
1636 | { |
1637 | process_arg (((struct printf_spec *) NULL)); |
1638 | process_string_arg (((struct printf_spec *) NULL)); |
1639 | |
1640 | LABEL (form_unknown): |
1641 | if (spec == L_('\0')) |
1642 | { |
1643 | /* The format string ended before the specifier is complete. */ |
1644 | __set_errno (EINVAL); |
1645 | done = -1; |
1646 | goto all_done; |
1647 | } |
1648 | |
1649 | /* If we are in the fast loop force entering the complicated |
1650 | one. */ |
1651 | goto do_positional; |
1652 | } |
1653 | |
1654 | /* The format is correctly handled. */ |
1655 | ++nspecs_done; |
1656 | |
1657 | if (__glibc_unlikely (workstart != NULL)) |
1658 | free (workstart); |
1659 | workstart = NULL; |
1660 | |
1661 | /* Look for next format specifier. */ |
1662 | #ifdef COMPILE_WPRINTF |
1663 | f = __find_specwc ((end_of_spec = ++f)); |
1664 | #else |
1665 | f = __find_specmb ((end_of_spec = ++f)); |
1666 | #endif |
1667 | |
1668 | /* Write the following constant string. */ |
1669 | outstring (end_of_spec, f - end_of_spec); |
1670 | } |
1671 | while (*f != L_('\0')); |
1672 | |
1673 | /* Unlock stream and return. */ |
1674 | goto all_done; |
1675 | |
1676 | /* Hand off processing for positional parameters. */ |
1677 | do_positional: |
1678 | if (__glibc_unlikely (workstart != NULL)) |
1679 | { |
1680 | free (workstart); |
1681 | workstart = NULL; |
1682 | } |
1683 | done = printf_positional (s, format, readonly_format, ap, &ap_save, |
1684 | done, nspecs_done, lead_str_end, work_buffer, |
1685 | save_errno, grouping, thousands_sep); |
1686 | |
1687 | all_done: |
1688 | if (__glibc_unlikely (workstart != NULL)) |
1689 | free (workstart); |
1690 | /* Unlock the stream. */ |
1691 | _IO_funlockfile (s); |
1692 | _IO_cleanup_region_end (0); |
1693 | |
1694 | return done; |
1695 | } |
1696 | |
1697 | static int |
1698 | printf_positional (FILE *s, const CHAR_T *format, int readonly_format, |
1699 | va_list ap, va_list *ap_savep, int done, int nspecs_done, |
1700 | const UCHAR_T *lead_str_end, |
1701 | CHAR_T *work_buffer, int save_errno, |
1702 | const char *grouping, THOUSANDS_SEP_T thousands_sep) |
1703 | { |
1704 | /* For positional argument handling. */ |
1705 | struct scratch_buffer specsbuf; |
1706 | scratch_buffer_init (&specsbuf); |
1707 | struct printf_spec *specs = specsbuf.data; |
1708 | size_t specs_limit = specsbuf.length / sizeof (specs[0]); |
1709 | |
1710 | /* Used as a backing store for args_value, args_size, args_type |
1711 | below. */ |
1712 | struct scratch_buffer argsbuf; |
1713 | scratch_buffer_init (&argsbuf); |
1714 | |
1715 | /* Array with information about the needed arguments. This has to |
1716 | be dynamically extensible. */ |
1717 | size_t nspecs = 0; |
1718 | |
1719 | /* The number of arguments the format string requests. This will |
1720 | determine the size of the array needed to store the argument |
1721 | attributes. */ |
1722 | size_t nargs = 0; |
1723 | |
1724 | /* Positional parameters refer to arguments directly. This could |
1725 | also determine the maximum number of arguments. Track the |
1726 | maximum number. */ |
1727 | size_t max_ref_arg = 0; |
1728 | |
1729 | /* Just a counter. */ |
1730 | size_t cnt; |
1731 | |
1732 | CHAR_T *workstart = NULL; |
1733 | |
1734 | if (grouping == (const char *) -1) |
1735 | { |
1736 | #ifdef COMPILE_WPRINTF |
1737 | thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC, |
1738 | _NL_NUMERIC_THOUSANDS_SEP_WC); |
1739 | #else |
1740 | thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP); |
1741 | #endif |
1742 | |
1743 | grouping = _NL_CURRENT (LC_NUMERIC, GROUPING); |
1744 | if (*grouping == '\0' || *grouping == CHAR_MAX) |
1745 | grouping = NULL; |
1746 | } |
1747 | |
1748 | for (const UCHAR_T *f = lead_str_end; *f != L_('\0'); |
1749 | f = specs[nspecs++].next_fmt) |
1750 | { |
1751 | if (nspecs == specs_limit) |
1752 | { |
1753 | if (!scratch_buffer_grow_preserve (&specsbuf)) |
1754 | { |
1755 | done = -1; |
1756 | goto all_done; |
1757 | } |
1758 | specs = specsbuf.data; |
1759 | specs_limit = specsbuf.length / sizeof (specs[0]); |
1760 | } |
1761 | |
1762 | /* Parse the format specifier. */ |
1763 | #ifdef COMPILE_WPRINTF |
1764 | nargs += __parse_one_specwc (f, nargs, &specs[nspecs], &max_ref_arg); |
1765 | #else |
1766 | nargs += __parse_one_specmb (f, nargs, &specs[nspecs], &max_ref_arg); |
1767 | #endif |
1768 | } |
1769 | |
1770 | /* Determine the number of arguments the format string consumes. */ |
1771 | nargs = MAX (nargs, max_ref_arg); |
1772 | |
1773 | union printf_arg *args_value; |
1774 | int *args_size; |
1775 | int *args_type; |
1776 | { |
1777 | /* Calculate total size needed to represent a single argument |
1778 | across all three argument-related arrays. */ |
1779 | size_t bytes_per_arg |
1780 | = sizeof (*args_value) + sizeof (*args_size) + sizeof (*args_type); |
1781 | if (!scratch_buffer_set_array_size (&argsbuf, nargs, bytes_per_arg)) |
1782 | { |
1783 | done = -1; |
1784 | goto all_done; |
1785 | } |
1786 | args_value = argsbuf.data; |
1787 | /* Set up the remaining two arrays to each point past the end of |
1788 | the prior array, since space for all three has been allocated |
1789 | now. */ |
1790 | args_size = &args_value[nargs].pa_int; |
1791 | args_type = &args_size[nargs]; |
1792 | memset (args_type, s->_flags2 & _IO_FLAGS2_FORTIFY ? '\xff' : '\0', |
1793 | nargs * sizeof (*args_type)); |
1794 | } |
1795 | |
1796 | /* XXX Could do sanity check here: If any element in ARGS_TYPE is |
1797 | still zero after this loop, format is invalid. For now we |
1798 | simply use 0 as the value. */ |
1799 | |
1800 | /* Fill in the types of all the arguments. */ |
1801 | for (cnt = 0; cnt < nspecs; ++cnt) |
1802 | { |
1803 | /* If the width is determined by an argument this is an int. */ |
1804 | if (specs[cnt].width_arg != -1) |
1805 | args_type[specs[cnt].width_arg] = PA_INT; |
1806 | |
1807 | /* If the precision is determined by an argument this is an int. */ |
1808 | if (specs[cnt].prec_arg != -1) |
1809 | args_type[specs[cnt].prec_arg] = PA_INT; |
1810 | |
1811 | switch (specs[cnt].ndata_args) |
1812 | { |
1813 | case 0: /* No arguments. */ |
1814 | break; |
1815 | case 1: /* One argument; we already have the |
1816 | type and size. */ |
1817 | args_type[specs[cnt].data_arg] = specs[cnt].data_arg_type; |
1818 | args_size[specs[cnt].data_arg] = specs[cnt].size; |
1819 | break; |
1820 | default: |
1821 | /* We have more than one argument for this format spec. |
1822 | We must call the arginfo function again to determine |
1823 | all the types. */ |
1824 | (void) (*__printf_arginfo_table[specs[cnt].info.spec]) |
1825 | (&specs[cnt].info, |
1826 | specs[cnt].ndata_args, &args_type[specs[cnt].data_arg], |
1827 | &args_size[specs[cnt].data_arg]); |
1828 | break; |
1829 | } |
1830 | } |
1831 | |
1832 | /* Now we know all the types and the order. Fill in the argument |
1833 | values. */ |
1834 | for (cnt = 0; cnt < nargs; ++cnt) |
1835 | switch (args_type[cnt]) |
1836 | { |
1837 | #define T(tag, mem, type) \ |
1838 | case tag: \ |
1839 | args_value[cnt].mem = va_arg (*ap_savep, type); \ |
1840 | break |
1841 | |
1842 | T (PA_WCHAR, pa_wchar, wint_t); |
1843 | case PA_CHAR: /* Promoted. */ |
1844 | case PA_INT|PA_FLAG_SHORT: /* Promoted. */ |
1845 | #if LONG_MAX == INT_MAX |
1846 | case PA_INT|PA_FLAG_LONG: |
1847 | #endif |
1848 | T (PA_INT, pa_int, int); |
1849 | #if LONG_MAX == LONG_LONG_MAX |
1850 | case PA_INT|PA_FLAG_LONG: |
1851 | #endif |
1852 | T (PA_INT|PA_FLAG_LONG_LONG, pa_long_long_int, long long int); |
1853 | #if LONG_MAX != INT_MAX && LONG_MAX != LONG_LONG_MAX |
1854 | # error "he?" |
1855 | #endif |
1856 | case PA_FLOAT: /* Promoted. */ |
1857 | T (PA_DOUBLE, pa_double, double); |
1858 | case PA_DOUBLE|PA_FLAG_LONG_DOUBLE: |
1859 | if (__ldbl_is_dbl) |
1860 | { |
1861 | args_value[cnt].pa_double = va_arg (*ap_savep, double); |
1862 | args_type[cnt] &= ~PA_FLAG_LONG_DOUBLE; |
1863 | } |
1864 | else |
1865 | args_value[cnt].pa_long_double = va_arg (*ap_savep, long double); |
1866 | break; |
1867 | case PA_STRING: /* All pointers are the same */ |
1868 | case PA_WSTRING: /* All pointers are the same */ |
1869 | T (PA_POINTER, pa_pointer, void *); |
1870 | #undef T |
1871 | default: |
1872 | if ((args_type[cnt] & PA_FLAG_PTR) != 0) |
1873 | args_value[cnt].pa_pointer = va_arg (*ap_savep, void *); |
1874 | else if (__glibc_unlikely (__printf_va_arg_table != NULL) |
1875 | && __printf_va_arg_table[args_type[cnt] - PA_LAST] != NULL) |
1876 | { |
1877 | args_value[cnt].pa_user = alloca (args_size[cnt]); |
1878 | (*__printf_va_arg_table[args_type[cnt] - PA_LAST]) |
1879 | (args_value[cnt].pa_user, ap_savep); |
1880 | } |
1881 | else |
1882 | args_value[cnt].pa_long_double = 0.0; |
1883 | break; |
1884 | case -1: |
1885 | /* Error case. Not all parameters appear in N$ format |
1886 | strings. We have no way to determine their type. */ |
1887 | assert (s->_flags2 & _IO_FLAGS2_FORTIFY); |
1888 | __libc_fatal ("*** invalid %N$ use detected ***\n" ); |
1889 | } |
1890 | |
1891 | /* Now walk through all format specifiers and process them. */ |
1892 | for (; (size_t) nspecs_done < nspecs; ++nspecs_done) |
1893 | { |
1894 | STEP4_TABLE; |
1895 | |
1896 | int is_negative; |
1897 | union |
1898 | { |
1899 | unsigned long long int longlong; |
1900 | unsigned long int word; |
1901 | } number; |
1902 | int base; |
1903 | union printf_arg the_arg; |
1904 | CHAR_T *string; /* Pointer to argument string. */ |
1905 | |
1906 | /* Fill variables from values in struct. */ |
1907 | int alt = specs[nspecs_done].info.alt; |
1908 | int space = specs[nspecs_done].info.space; |
1909 | int left = specs[nspecs_done].info.left; |
1910 | int showsign = specs[nspecs_done].info.showsign; |
1911 | int group = specs[nspecs_done].info.group; |
1912 | int is_long_double = specs[nspecs_done].info.is_long_double; |
1913 | int is_short = specs[nspecs_done].info.is_short; |
1914 | int is_char = specs[nspecs_done].info.is_char; |
1915 | int is_long = specs[nspecs_done].info.is_long; |
1916 | int width = specs[nspecs_done].info.width; |
1917 | int prec = specs[nspecs_done].info.prec; |
1918 | int use_outdigits = specs[nspecs_done].info.i18n; |
1919 | char pad = specs[nspecs_done].info.pad; |
1920 | CHAR_T spec = specs[nspecs_done].info.spec; |
1921 | |
1922 | workstart = NULL; |
1923 | CHAR_T *workend = work_buffer + WORK_BUFFER_SIZE; |
1924 | |
1925 | /* Fill in last information. */ |
1926 | if (specs[nspecs_done].width_arg != -1) |
1927 | { |
1928 | /* Extract the field width from an argument. */ |
1929 | specs[nspecs_done].info.width = |
1930 | args_value[specs[nspecs_done].width_arg].pa_int; |
1931 | |
1932 | if (specs[nspecs_done].info.width < 0) |
1933 | /* If the width value is negative left justification is |
1934 | selected and the value is taken as being positive. */ |
1935 | { |
1936 | specs[nspecs_done].info.width *= -1; |
1937 | left = specs[nspecs_done].info.left = 1; |
1938 | } |
1939 | width = specs[nspecs_done].info.width; |
1940 | } |
1941 | |
1942 | if (specs[nspecs_done].prec_arg != -1) |
1943 | { |
1944 | /* Extract the precision from an argument. */ |
1945 | specs[nspecs_done].info.prec = |
1946 | args_value[specs[nspecs_done].prec_arg].pa_int; |
1947 | |
1948 | if (specs[nspecs_done].info.prec < 0) |
1949 | /* If the precision is negative the precision is |
1950 | omitted. */ |
1951 | specs[nspecs_done].info.prec = -1; |
1952 | |
1953 | prec = specs[nspecs_done].info.prec; |
1954 | } |
1955 | |
1956 | /* Maybe the buffer is too small. */ |
1957 | if (MAX (prec, width) + EXTSIZ > WORK_BUFFER_SIZE) |
1958 | { |
1959 | if (__libc_use_alloca ((MAX (prec, width) + EXTSIZ) |
1960 | * sizeof (CHAR_T))) |
1961 | workend = ((CHAR_T *) alloca ((MAX (prec, width) + EXTSIZ) |
1962 | * sizeof (CHAR_T)) |
1963 | + (MAX (prec, width) + EXTSIZ)); |
1964 | else |
1965 | { |
1966 | workstart = (CHAR_T *) malloc ((MAX (prec, width) + EXTSIZ) |
1967 | * sizeof (CHAR_T)); |
1968 | if (workstart == NULL) |
1969 | { |
1970 | done = -1; |
1971 | goto all_done; |
1972 | } |
1973 | workend = workstart + (MAX (prec, width) + EXTSIZ); |
1974 | } |
1975 | } |
1976 | |
1977 | /* Process format specifiers. */ |
1978 | while (1) |
1979 | { |
1980 | extern printf_function **__printf_function_table; |
1981 | int function_done; |
1982 | |
1983 | if (spec <= UCHAR_MAX |
1984 | && __printf_function_table != NULL |
1985 | && __printf_function_table[(size_t) spec] != NULL) |
1986 | { |
1987 | const void **ptr = alloca (specs[nspecs_done].ndata_args |
1988 | * sizeof (const void *)); |
1989 | |
1990 | /* Fill in an array of pointers to the argument values. */ |
1991 | for (unsigned int i = 0; i < specs[nspecs_done].ndata_args; |
1992 | ++i) |
1993 | ptr[i] = &args_value[specs[nspecs_done].data_arg + i]; |
1994 | |
1995 | /* Call the function. */ |
1996 | function_done = __printf_function_table[(size_t) spec] |
1997 | (s, &specs[nspecs_done].info, ptr); |
1998 | |
1999 | if (function_done != -2) |
2000 | { |
2001 | /* If an error occurred we don't have information |
2002 | about # of chars. */ |
2003 | if (function_done < 0) |
2004 | { |
2005 | /* Function has set errno. */ |
2006 | done = -1; |
2007 | goto all_done; |
2008 | } |
2009 | |
2010 | done_add (function_done); |
2011 | break; |
2012 | } |
2013 | } |
2014 | |
2015 | JUMP (spec, step4_jumps); |
2016 | |
2017 | process_arg ((&specs[nspecs_done])); |
2018 | process_string_arg ((&specs[nspecs_done])); |
2019 | |
2020 | LABEL (form_unknown): |
2021 | { |
2022 | unsigned int i; |
2023 | const void **ptr; |
2024 | |
2025 | ptr = alloca (specs[nspecs_done].ndata_args |
2026 | * sizeof (const void *)); |
2027 | |
2028 | /* Fill in an array of pointers to the argument values. */ |
2029 | for (i = 0; i < specs[nspecs_done].ndata_args; ++i) |
2030 | ptr[i] = &args_value[specs[nspecs_done].data_arg + i]; |
2031 | |
2032 | /* Call the function. */ |
2033 | function_done = printf_unknown (s, &specs[nspecs_done].info, |
2034 | ptr); |
2035 | |
2036 | /* If an error occurred we don't have information about # |
2037 | of chars. */ |
2038 | if (function_done < 0) |
2039 | { |
2040 | /* Function has set errno. */ |
2041 | done = -1; |
2042 | goto all_done; |
2043 | } |
2044 | |
2045 | done_add (function_done); |
2046 | } |
2047 | break; |
2048 | } |
2049 | |
2050 | if (__glibc_unlikely (workstart != NULL)) |
2051 | free (workstart); |
2052 | workstart = NULL; |
2053 | |
2054 | /* Write the following constant string. */ |
2055 | outstring (specs[nspecs_done].end_of_fmt, |
2056 | specs[nspecs_done].next_fmt |
2057 | - specs[nspecs_done].end_of_fmt); |
2058 | } |
2059 | all_done: |
2060 | if (__glibc_unlikely (workstart != NULL)) |
2061 | free (workstart); |
2062 | scratch_buffer_free (&argsbuf); |
2063 | scratch_buffer_free (&specsbuf); |
2064 | return done; |
2065 | } |
2066 | |
2067 | /* Handle an unknown format specifier. This prints out a canonicalized |
2068 | representation of the format spec itself. */ |
2069 | static int |
2070 | printf_unknown (FILE *s, const struct printf_info *info, |
2071 | const void *const *args) |
2072 | |
2073 | { |
2074 | int done = 0; |
2075 | CHAR_T work_buffer[MAX (sizeof (info->width), sizeof (info->prec)) * 3]; |
2076 | CHAR_T *const workend |
2077 | = &work_buffer[sizeof (work_buffer) / sizeof (CHAR_T)]; |
2078 | CHAR_T *w; |
2079 | |
2080 | outchar (L_('%')); |
2081 | |
2082 | if (info->alt) |
2083 | outchar (L_('#')); |
2084 | if (info->group) |
2085 | outchar (L_('\'')); |
2086 | if (info->showsign) |
2087 | outchar (L_('+')); |
2088 | else if (info->space) |
2089 | outchar (L_(' ')); |
2090 | if (info->left) |
2091 | outchar (L_('-')); |
2092 | if (info->pad == L_('0')) |
2093 | outchar (L_('0')); |
2094 | if (info->i18n) |
2095 | outchar (L_('I')); |
2096 | |
2097 | if (info->width != 0) |
2098 | { |
2099 | w = _itoa_word (info->width, workend, 10, 0); |
2100 | while (w < workend) |
2101 | outchar (*w++); |
2102 | } |
2103 | |
2104 | if (info->prec != -1) |
2105 | { |
2106 | outchar (L_('.')); |
2107 | w = _itoa_word (info->prec, workend, 10, 0); |
2108 | while (w < workend) |
2109 | outchar (*w++); |
2110 | } |
2111 | |
2112 | if (info->spec != L_('\0')) |
2113 | outchar (info->spec); |
2114 | |
2115 | all_done: |
2116 | return done; |
2117 | } |
2118 | |
2119 | /* Group the digits from W to REAR_PTR according to the grouping rules |
2120 | of the current locale. The interpretation of GROUPING is as in |
2121 | `struct lconv' from <locale.h>. The grouped number extends from |
2122 | the returned pointer until REAR_PTR. FRONT_PTR to W is used as a |
2123 | scratch area. */ |
2124 | static CHAR_T * |
2125 | group_number (CHAR_T *front_ptr, CHAR_T *w, CHAR_T *rear_ptr, |
2126 | const char *grouping, THOUSANDS_SEP_T thousands_sep) |
2127 | { |
2128 | /* Length of the current group. */ |
2129 | int len; |
2130 | #ifndef COMPILE_WPRINTF |
2131 | /* Length of the separator (in wide mode, the separator is always a |
2132 | single wide character). */ |
2133 | int tlen = strlen (thousands_sep); |
2134 | #endif |
2135 | |
2136 | /* We treat all negative values like CHAR_MAX. */ |
2137 | |
2138 | if (*grouping == CHAR_MAX || *grouping <= 0) |
2139 | /* No grouping should be done. */ |
2140 | return w; |
2141 | |
2142 | len = *grouping++; |
2143 | |
2144 | /* Copy existing string so that nothing gets overwritten. */ |
2145 | memmove (front_ptr, w, (rear_ptr - w) * sizeof (CHAR_T)); |
2146 | CHAR_T *s = front_ptr + (rear_ptr - w); |
2147 | |
2148 | w = rear_ptr; |
2149 | |
2150 | /* Process all characters in the string. */ |
2151 | while (s > front_ptr) |
2152 | { |
2153 | *--w = *--s; |
2154 | |
2155 | if (--len == 0 && s > front_ptr) |
2156 | { |
2157 | /* A new group begins. */ |
2158 | #ifdef COMPILE_WPRINTF |
2159 | if (w != s) |
2160 | *--w = thousands_sep; |
2161 | else |
2162 | /* Not enough room for the separator. */ |
2163 | goto copy_rest; |
2164 | #else |
2165 | int cnt = tlen; |
2166 | if (tlen < w - s) |
2167 | do |
2168 | *--w = thousands_sep[--cnt]; |
2169 | while (cnt > 0); |
2170 | else |
2171 | /* Not enough room for the separator. */ |
2172 | goto copy_rest; |
2173 | #endif |
2174 | |
2175 | if (*grouping == CHAR_MAX |
2176 | #if CHAR_MIN < 0 |
2177 | || *grouping < 0 |
2178 | #endif |
2179 | ) |
2180 | { |
2181 | copy_rest: |
2182 | /* No further grouping to be done. Copy the rest of the |
2183 | number. */ |
2184 | memmove (w, s, (front_ptr -s) * sizeof (CHAR_T)); |
2185 | break; |
2186 | } |
2187 | else if (*grouping != '\0') |
2188 | len = *grouping++; |
2189 | else |
2190 | /* The previous grouping repeats ad infinitum. */ |
2191 | len = grouping[-1]; |
2192 | } |
2193 | } |
2194 | return w; |
2195 | } |
2196 | |
2197 | /* Helper "class" for `fprintf to unbuffered': creates a temporary buffer. */ |
2198 | struct helper_file |
2199 | { |
2200 | struct _IO_FILE_plus _f; |
2201 | #ifdef COMPILE_WPRINTF |
2202 | struct _IO_wide_data _wide_data; |
2203 | #endif |
2204 | FILE *_put_stream; |
2205 | #ifdef _IO_MTSAFE_IO |
2206 | _IO_lock_t lock; |
2207 | #endif |
2208 | }; |
2209 | |
2210 | static int |
2211 | _IO_helper_overflow (FILE *s, int c) |
2212 | { |
2213 | FILE *target = ((struct helper_file*) s)->_put_stream; |
2214 | #ifdef COMPILE_WPRINTF |
2215 | int used = s->_wide_data->_IO_write_ptr - s->_wide_data->_IO_write_base; |
2216 | if (used) |
2217 | { |
2218 | size_t written = _IO_sputn (target, s->_wide_data->_IO_write_base, used); |
2219 | if (written == 0 || written == WEOF) |
2220 | return WEOF; |
2221 | __wmemmove (s->_wide_data->_IO_write_base, |
2222 | s->_wide_data->_IO_write_base + written, |
2223 | used - written); |
2224 | s->_wide_data->_IO_write_ptr -= written; |
2225 | } |
2226 | #else |
2227 | int used = s->_IO_write_ptr - s->_IO_write_base; |
2228 | if (used) |
2229 | { |
2230 | size_t written = _IO_sputn (target, s->_IO_write_base, used); |
2231 | if (written == 0 || written == EOF) |
2232 | return EOF; |
2233 | memmove (s->_IO_write_base, s->_IO_write_base + written, |
2234 | used - written); |
2235 | s->_IO_write_ptr -= written; |
2236 | } |
2237 | #endif |
2238 | return PUTC (c, s); |
2239 | } |
2240 | |
2241 | #ifdef COMPILE_WPRINTF |
2242 | static const struct _IO_jump_t _IO_helper_jumps libio_vtable = |
2243 | { |
2244 | JUMP_INIT_DUMMY, |
2245 | JUMP_INIT (finish, _IO_wdefault_finish), |
2246 | JUMP_INIT (overflow, _IO_helper_overflow), |
2247 | JUMP_INIT (underflow, _IO_default_underflow), |
2248 | JUMP_INIT (uflow, _IO_default_uflow), |
2249 | JUMP_INIT (pbackfail, (_IO_pbackfail_t) _IO_wdefault_pbackfail), |
2250 | JUMP_INIT (xsputn, _IO_wdefault_xsputn), |
2251 | JUMP_INIT (xsgetn, _IO_wdefault_xsgetn), |
2252 | JUMP_INIT (seekoff, _IO_default_seekoff), |
2253 | JUMP_INIT (seekpos, _IO_default_seekpos), |
2254 | JUMP_INIT (setbuf, _IO_default_setbuf), |
2255 | JUMP_INIT (sync, _IO_default_sync), |
2256 | JUMP_INIT (doallocate, _IO_wdefault_doallocate), |
2257 | JUMP_INIT (read, _IO_default_read), |
2258 | JUMP_INIT (write, _IO_default_write), |
2259 | JUMP_INIT (seek, _IO_default_seek), |
2260 | JUMP_INIT (close, _IO_default_close), |
2261 | JUMP_INIT (stat, _IO_default_stat) |
2262 | }; |
2263 | #else |
2264 | static const struct _IO_jump_t _IO_helper_jumps libio_vtable = |
2265 | { |
2266 | JUMP_INIT_DUMMY, |
2267 | JUMP_INIT (finish, _IO_default_finish), |
2268 | JUMP_INIT (overflow, _IO_helper_overflow), |
2269 | JUMP_INIT (underflow, _IO_default_underflow), |
2270 | JUMP_INIT (uflow, _IO_default_uflow), |
2271 | JUMP_INIT (pbackfail, _IO_default_pbackfail), |
2272 | JUMP_INIT (xsputn, _IO_default_xsputn), |
2273 | JUMP_INIT (xsgetn, _IO_default_xsgetn), |
2274 | JUMP_INIT (seekoff, _IO_default_seekoff), |
2275 | JUMP_INIT (seekpos, _IO_default_seekpos), |
2276 | JUMP_INIT (setbuf, _IO_default_setbuf), |
2277 | JUMP_INIT (sync, _IO_default_sync), |
2278 | JUMP_INIT (doallocate, _IO_default_doallocate), |
2279 | JUMP_INIT (read, _IO_default_read), |
2280 | JUMP_INIT (write, _IO_default_write), |
2281 | JUMP_INIT (seek, _IO_default_seek), |
2282 | JUMP_INIT (close, _IO_default_close), |
2283 | JUMP_INIT (stat, _IO_default_stat) |
2284 | }; |
2285 | #endif |
2286 | |
2287 | static int |
2288 | buffered_vfprintf (FILE *s, const CHAR_T *format, va_list args) |
2289 | { |
2290 | CHAR_T buf[BUFSIZ]; |
2291 | struct helper_file helper; |
2292 | FILE *hp = (FILE *) &helper._f; |
2293 | int result, to_flush; |
2294 | |
2295 | /* Orient the stream. */ |
2296 | #ifdef ORIENT |
2297 | ORIENT; |
2298 | #endif |
2299 | |
2300 | /* Initialize helper. */ |
2301 | helper._put_stream = s; |
2302 | #ifdef COMPILE_WPRINTF |
2303 | hp->_wide_data = &helper._wide_data; |
2304 | _IO_wsetp (hp, buf, buf + sizeof buf / sizeof (CHAR_T)); |
2305 | hp->_mode = 1; |
2306 | #else |
2307 | _IO_setp (hp, buf, buf + sizeof buf); |
2308 | hp->_mode = -1; |
2309 | #endif |
2310 | hp->_flags = _IO_MAGIC|_IO_NO_READS|_IO_USER_LOCK; |
2311 | #if _IO_JUMPS_OFFSET |
2312 | hp->_vtable_offset = 0; |
2313 | #endif |
2314 | #ifdef _IO_MTSAFE_IO |
2315 | hp->_lock = NULL; |
2316 | #endif |
2317 | hp->_flags2 = s->_flags2; |
2318 | _IO_JUMPS (&helper._f) = (struct _IO_jump_t *) &_IO_helper_jumps; |
2319 | |
2320 | /* Now print to helper instead. */ |
2321 | #ifndef COMPILE_WPRINTF |
2322 | result = _IO_vfprintf (hp, format, args); |
2323 | #else |
2324 | result = vfprintf (hp, format, args); |
2325 | #endif |
2326 | |
2327 | /* Lock stream. */ |
2328 | __libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile, s); |
2329 | _IO_flockfile (s); |
2330 | |
2331 | /* Now flush anything from the helper to the S. */ |
2332 | #ifdef COMPILE_WPRINTF |
2333 | if ((to_flush = (hp->_wide_data->_IO_write_ptr |
2334 | - hp->_wide_data->_IO_write_base)) > 0) |
2335 | { |
2336 | if ((int) _IO_sputn (s, hp->_wide_data->_IO_write_base, to_flush) |
2337 | != to_flush) |
2338 | result = -1; |
2339 | } |
2340 | #else |
2341 | if ((to_flush = hp->_IO_write_ptr - hp->_IO_write_base) > 0) |
2342 | { |
2343 | if ((int) _IO_sputn (s, hp->_IO_write_base, to_flush) != to_flush) |
2344 | result = -1; |
2345 | } |
2346 | #endif |
2347 | |
2348 | /* Unlock the stream. */ |
2349 | _IO_funlockfile (s); |
2350 | __libc_cleanup_region_end (0); |
2351 | |
2352 | return result; |
2353 | } |
2354 | |
2355 | #undef vfprintf |
2356 | #ifdef COMPILE_WPRINTF |
2357 | strong_alias (_IO_vfwprintf, __vfwprintf); |
2358 | ldbl_weak_alias (_IO_vfwprintf, vfwprintf); |
2359 | #else |
2360 | ldbl_strong_alias (_IO_vfprintf_internal, vfprintf); |
2361 | ldbl_hidden_def (_IO_vfprintf_internal, vfprintf) |
2362 | ldbl_strong_alias (_IO_vfprintf_internal, _IO_vfprintf); |
2363 | ldbl_hidden_def (_IO_vfprintf_internal, _IO_vfprintf) |
2364 | #endif |
2365 | |