1 | /* Copyright (C) 1991-2016 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 <ctype.h> |
19 | #include <limits.h> |
20 | #include <printf.h> |
21 | #include <stdarg.h> |
22 | #include <stdint.h> |
23 | #include <stdlib.h> |
24 | #include <string.h> |
25 | #include <errno.h> |
26 | #include <wchar.h> |
27 | #include <libc-lock.h> |
28 | #include <sys/param.h> |
29 | #include <_itoa.h> |
30 | #include <locale/localeinfo.h> |
31 | #include <stdio.h> |
32 | #include <scratch_buffer.h> |
33 | |
34 | /* This code is shared between the standard stdio implementation found |
35 | in GNU C library and the libio implementation originally found in |
36 | GNU libg++. |
37 | |
38 | Beside this it is also shared between the normal and wide character |
39 | implementation as defined in ISO/IEC 9899:1990/Amendment 1:1995. */ |
40 | |
41 | |
42 | #include <libioP.h> |
43 | #define FILE _IO_FILE |
44 | #undef va_list |
45 | #define va_list _IO_va_list |
46 | #undef BUFSIZ |
47 | #define BUFSIZ _IO_BUFSIZ |
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 | MAYBE_SET_EINVAL; \ |
62 | return -1; \ |
63 | } \ |
64 | } while (0) |
65 | #define UNBUFFERED_P(S) ((S)->_IO_file_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 | _IO_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 | _IO_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 }; |
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 (string, workend, grouping, \ |
595 | thousands_sep); \ |
596 | \ |
597 | if (use_outdigits && base == 10) \ |
598 | string = _i18n_number_rewrite (string, workend, workend); \ |
599 | } \ |
600 | /* Simplify further test for num != 0. */ \ |
601 | number.word = number.longlong != 0; \ |
602 | } \ |
603 | else \ |
604 | { \ |
605 | if (fspec == NULL) \ |
606 | { \ |
607 | if (is_long_num) \ |
608 | number.word = va_arg (ap, unsigned long int); \ |
609 | else if (is_char) \ |
610 | number.word = (unsigned char) va_arg (ap, unsigned int); \ |
611 | else if (!is_short) \ |
612 | number.word = va_arg (ap, unsigned int); \ |
613 | else \ |
614 | number.word = (unsigned short int) va_arg (ap, unsigned int); \ |
615 | } \ |
616 | else \ |
617 | if (is_long_num) \ |
618 | number.word = args_value[fspec->data_arg].pa_u_long_int; \ |
619 | else if (is_char) \ |
620 | number.word = (unsigned char) \ |
621 | args_value[fspec->data_arg].pa_u_int; \ |
622 | else if (!is_short) \ |
623 | number.word = args_value[fspec->data_arg].pa_u_int; \ |
624 | else \ |
625 | number.word = (unsigned short int) \ |
626 | args_value[fspec->data_arg].pa_u_int; \ |
627 | \ |
628 | LABEL (number): \ |
629 | if (prec < 0) \ |
630 | /* Supply a default precision if none was given. */ \ |
631 | prec = 1; \ |
632 | else \ |
633 | /* We have to take care for the '0' flag. If a precision \ |
634 | is given it must be ignored. */ \ |
635 | pad = L_(' '); \ |
636 | \ |
637 | /* If the precision is 0 and the number is 0 nothing has to \ |
638 | be written for the number, except for the 'o' format in \ |
639 | alternate form. */ \ |
640 | if (prec == 0 && number.word == 0) \ |
641 | { \ |
642 | string = workend; \ |
643 | if (base == 8 && alt) \ |
644 | *--string = L_('0'); \ |
645 | } \ |
646 | else \ |
647 | { \ |
648 | /* Put the number in WORK. */ \ |
649 | string = _itoa_word (number.word, workend, base, \ |
650 | spec == L_('X')); \ |
651 | if (group && grouping) \ |
652 | string = group_number (string, workend, grouping, \ |
653 | thousands_sep); \ |
654 | \ |
655 | if (use_outdigits && base == 10) \ |
656 | string = _i18n_number_rewrite (string, workend, workend); \ |
657 | } \ |
658 | } \ |
659 | \ |
660 | if (prec <= workend - string && number.word != 0 && alt && base == 8) \ |
661 | /* Add octal marker. */ \ |
662 | *--string = L_('0'); \ |
663 | \ |
664 | prec = MAX (0, prec - (workend - string)); \ |
665 | \ |
666 | if (!left) \ |
667 | { \ |
668 | width -= workend - string + prec; \ |
669 | \ |
670 | if (number.word != 0 && alt && base == 16) \ |
671 | /* Account for 0X hex marker. */ \ |
672 | width -= 2; \ |
673 | \ |
674 | if (is_negative || showsign || space) \ |
675 | --width; \ |
676 | \ |
677 | if (pad == L_(' ')) \ |
678 | { \ |
679 | PAD (L_(' ')); \ |
680 | width = 0; \ |
681 | } \ |
682 | \ |
683 | if (is_negative) \ |
684 | outchar (L_('-')); \ |
685 | else if (showsign) \ |
686 | outchar (L_('+')); \ |
687 | else if (space) \ |
688 | outchar (L_(' ')); \ |
689 | \ |
690 | if (number.word != 0 && alt && base == 16) \ |
691 | { \ |
692 | outchar (L_('0')); \ |
693 | outchar (spec); \ |
694 | } \ |
695 | \ |
696 | width += prec; \ |
697 | PAD (L_('0')); \ |
698 | \ |
699 | outstring (string, workend - string); \ |
700 | \ |
701 | break; \ |
702 | } \ |
703 | else \ |
704 | { \ |
705 | if (is_negative) \ |
706 | { \ |
707 | outchar (L_('-')); \ |
708 | --width; \ |
709 | } \ |
710 | else if (showsign) \ |
711 | { \ |
712 | outchar (L_('+')); \ |
713 | --width; \ |
714 | } \ |
715 | else if (space) \ |
716 | { \ |
717 | outchar (L_(' ')); \ |
718 | --width; \ |
719 | } \ |
720 | \ |
721 | if (number.word != 0 && alt && base == 16) \ |
722 | { \ |
723 | outchar (L_('0')); \ |
724 | outchar (spec); \ |
725 | width -= 2; \ |
726 | } \ |
727 | \ |
728 | width -= workend - string + prec; \ |
729 | \ |
730 | if (prec > 0) \ |
731 | { \ |
732 | int temp = width; \ |
733 | width = prec; \ |
734 | PAD (L_('0')); \ |
735 | width = temp; \ |
736 | } \ |
737 | \ |
738 | outstring (string, workend - string); \ |
739 | \ |
740 | PAD (L_(' ')); \ |
741 | break; \ |
742 | } \ |
743 | \ |
744 | LABEL (form_float): \ |
745 | { \ |
746 | /* Floating-point number. This is handled by printf_fp.c. */ \ |
747 | const void *ptr; \ |
748 | int function_done; \ |
749 | \ |
750 | if (fspec == NULL) \ |
751 | { \ |
752 | if (__ldbl_is_dbl) \ |
753 | is_long_double = 0; \ |
754 | \ |
755 | struct printf_info info = { .prec = prec, \ |
756 | .width = width, \ |
757 | .spec = spec, \ |
758 | .is_long_double = is_long_double, \ |
759 | .is_short = is_short, \ |
760 | .is_long = is_long, \ |
761 | .alt = alt, \ |
762 | .space = space, \ |
763 | .left = left, \ |
764 | .showsign = showsign, \ |
765 | .group = group, \ |
766 | .pad = pad, \ |
767 | .extra = 0, \ |
768 | .i18n = use_outdigits, \ |
769 | .wide = sizeof (CHAR_T) != 1 }; \ |
770 | \ |
771 | if (is_long_double) \ |
772 | the_arg.pa_long_double = va_arg (ap, long double); \ |
773 | else \ |
774 | the_arg.pa_double = va_arg (ap, double); \ |
775 | ptr = (const void *) &the_arg; \ |
776 | \ |
777 | function_done = __printf_fp (s, &info, &ptr); \ |
778 | } \ |
779 | else \ |
780 | { \ |
781 | ptr = (const void *) &args_value[fspec->data_arg]; \ |
782 | if (__ldbl_is_dbl) \ |
783 | { \ |
784 | fspec->data_arg_type = PA_DOUBLE; \ |
785 | fspec->info.is_long_double = 0; \ |
786 | } \ |
787 | \ |
788 | function_done = __printf_fp (s, &fspec->info, &ptr); \ |
789 | } \ |
790 | \ |
791 | if (function_done < 0) \ |
792 | { \ |
793 | /* Error in print handler; up to handler to set errno. */ \ |
794 | done = -1; \ |
795 | goto all_done; \ |
796 | } \ |
797 | \ |
798 | done_add (function_done); \ |
799 | } \ |
800 | break; \ |
801 | \ |
802 | LABEL (form_floathex): \ |
803 | { \ |
804 | /* Floating point number printed as hexadecimal number. */ \ |
805 | const void *ptr; \ |
806 | int function_done; \ |
807 | \ |
808 | if (fspec == NULL) \ |
809 | { \ |
810 | if (__ldbl_is_dbl) \ |
811 | is_long_double = 0; \ |
812 | \ |
813 | struct printf_info info = { .prec = prec, \ |
814 | .width = width, \ |
815 | .spec = spec, \ |
816 | .is_long_double = is_long_double, \ |
817 | .is_short = is_short, \ |
818 | .is_long = is_long, \ |
819 | .alt = alt, \ |
820 | .space = space, \ |
821 | .left = left, \ |
822 | .showsign = showsign, \ |
823 | .group = group, \ |
824 | .pad = pad, \ |
825 | .extra = 0, \ |
826 | .wide = sizeof (CHAR_T) != 1 }; \ |
827 | \ |
828 | if (is_long_double) \ |
829 | the_arg.pa_long_double = va_arg (ap, long double); \ |
830 | else \ |
831 | the_arg.pa_double = va_arg (ap, double); \ |
832 | ptr = (const void *) &the_arg; \ |
833 | \ |
834 | function_done = __printf_fphex (s, &info, &ptr); \ |
835 | } \ |
836 | else \ |
837 | { \ |
838 | ptr = (const void *) &args_value[fspec->data_arg]; \ |
839 | if (__ldbl_is_dbl) \ |
840 | fspec->info.is_long_double = 0; \ |
841 | \ |
842 | function_done = __printf_fphex (s, &fspec->info, &ptr); \ |
843 | } \ |
844 | \ |
845 | if (function_done < 0) \ |
846 | { \ |
847 | /* Error in print handler; up to handler to set errno. */ \ |
848 | done = -1; \ |
849 | goto all_done; \ |
850 | } \ |
851 | \ |
852 | done_add (function_done); \ |
853 | } \ |
854 | break; \ |
855 | \ |
856 | LABEL (form_pointer): \ |
857 | /* Generic pointer. */ \ |
858 | { \ |
859 | const void *ptr; \ |
860 | if (fspec == NULL) \ |
861 | ptr = va_arg (ap, void *); \ |
862 | else \ |
863 | ptr = args_value[fspec->data_arg].pa_pointer; \ |
864 | if (ptr != NULL) \ |
865 | { \ |
866 | /* If the pointer is not NULL, write it as a %#x spec. */ \ |
867 | base = 16; \ |
868 | number.word = (unsigned long int) ptr; \ |
869 | is_negative = 0; \ |
870 | alt = 1; \ |
871 | group = 0; \ |
872 | spec = L_('x'); \ |
873 | goto LABEL (number); \ |
874 | } \ |
875 | else \ |
876 | { \ |
877 | /* Write "(nil)" for a nil pointer. */ \ |
878 | string = (CHAR_T *) L_("(nil)"); \ |
879 | /* Make sure the full string "(nil)" is printed. */ \ |
880 | if (prec < 5) \ |
881 | prec = 5; \ |
882 | /* This is a wide string iff compiling wprintf. */ \ |
883 | is_long = sizeof (CHAR_T) > 1; \ |
884 | goto LABEL (print_string); \ |
885 | } \ |
886 | } \ |
887 | /* NOTREACHED */ \ |
888 | \ |
889 | LABEL (form_number): \ |
890 | if (s->_flags2 & _IO_FLAGS2_FORTIFY) \ |
891 | { \ |
892 | if (! readonly_format) \ |
893 | { \ |
894 | extern int __readonly_area (const void *, size_t) \ |
895 | attribute_hidden; \ |
896 | readonly_format \ |
897 | = __readonly_area (format, ((STR_LEN (format) + 1) \ |
898 | * sizeof (CHAR_T))); \ |
899 | } \ |
900 | if (readonly_format < 0) \ |
901 | __libc_fatal ("*** %n in writable segment detected ***\n"); \ |
902 | } \ |
903 | /* Answer the count of characters written. */ \ |
904 | if (fspec == NULL) \ |
905 | { \ |
906 | if (is_longlong) \ |
907 | *(long long int *) va_arg (ap, void *) = done; \ |
908 | else if (is_long_num) \ |
909 | *(long int *) va_arg (ap, void *) = done; \ |
910 | else if (is_char) \ |
911 | *(char *) va_arg (ap, void *) = done; \ |
912 | else if (!is_short) \ |
913 | *(int *) va_arg (ap, void *) = done; \ |
914 | else \ |
915 | *(short int *) va_arg (ap, void *) = done; \ |
916 | } \ |
917 | else \ |
918 | if (is_longlong) \ |
919 | *(long long int *) args_value[fspec->data_arg].pa_pointer = done; \ |
920 | else if (is_long_num) \ |
921 | *(long int *) args_value[fspec->data_arg].pa_pointer = done; \ |
922 | else if (is_char) \ |
923 | *(char *) args_value[fspec->data_arg].pa_pointer = done; \ |
924 | else if (!is_short) \ |
925 | *(int *) args_value[fspec->data_arg].pa_pointer = done; \ |
926 | else \ |
927 | *(short int *) args_value[fspec->data_arg].pa_pointer = done; \ |
928 | break; \ |
929 | \ |
930 | LABEL (form_strerror): \ |
931 | /* Print description of error ERRNO. */ \ |
932 | string = \ |
933 | (CHAR_T *) __strerror_r (save_errno, (char *) work_buffer, \ |
934 | WORK_BUFFER_SIZE * sizeof (CHAR_T)); \ |
935 | is_long = 0; /* This is no wide-char string. */ \ |
936 | goto LABEL (print_string) |
937 | |
938 | #ifdef COMPILE_WPRINTF |
939 | # define process_string_arg(fspec) \ |
940 | LABEL (form_character): \ |
941 | /* Character. */ \ |
942 | if (is_long) \ |
943 | goto LABEL (form_wcharacter); \ |
944 | --width; /* Account for the character itself. */ \ |
945 | if (!left) \ |
946 | PAD (L' '); \ |
947 | if (fspec == NULL) \ |
948 | outchar (__btowc ((unsigned char) va_arg (ap, int))); /* Promoted. */ \ |
949 | else \ |
950 | outchar (__btowc ((unsigned char) \ |
951 | args_value[fspec->data_arg].pa_int)); \ |
952 | if (left) \ |
953 | PAD (L' '); \ |
954 | break; \ |
955 | \ |
956 | LABEL (form_wcharacter): \ |
957 | { \ |
958 | /* Wide character. */ \ |
959 | --width; \ |
960 | if (!left) \ |
961 | PAD (L' '); \ |
962 | if (fspec == NULL) \ |
963 | outchar (va_arg (ap, wchar_t)); \ |
964 | else \ |
965 | outchar (args_value[fspec->data_arg].pa_wchar); \ |
966 | if (left) \ |
967 | PAD (L' '); \ |
968 | } \ |
969 | break; \ |
970 | \ |
971 | LABEL (form_string): \ |
972 | { \ |
973 | size_t len; \ |
974 | int string_malloced; \ |
975 | \ |
976 | /* The string argument could in fact be `char *' or `wchar_t *'. \ |
977 | But this should not make a difference here. */ \ |
978 | if (fspec == NULL) \ |
979 | string = (CHAR_T *) va_arg (ap, const wchar_t *); \ |
980 | else \ |
981 | string = (CHAR_T *) args_value[fspec->data_arg].pa_wstring; \ |
982 | \ |
983 | /* Entry point for printing other strings. */ \ |
984 | LABEL (print_string): \ |
985 | \ |
986 | string_malloced = 0; \ |
987 | if (string == NULL) \ |
988 | { \ |
989 | /* Write "(null)" if there's space. */ \ |
990 | if (prec == -1 \ |
991 | || prec >= (int) (sizeof (null) / sizeof (null[0])) - 1) \ |
992 | { \ |
993 | string = (CHAR_T *) null; \ |
994 | len = (sizeof (null) / sizeof (null[0])) - 1; \ |
995 | } \ |
996 | else \ |
997 | { \ |
998 | string = (CHAR_T *) L""; \ |
999 | len = 0; \ |
1000 | } \ |
1001 | } \ |
1002 | else if (!is_long && spec != L_('S')) \ |
1003 | { \ |
1004 | /* This is complicated. We have to transform the multibyte \ |
1005 | string into a wide character string. */ \ |
1006 | const char *mbs = (const char *) string; \ |
1007 | mbstate_t mbstate; \ |
1008 | \ |
1009 | len = prec != -1 ? __strnlen (mbs, (size_t) prec) : strlen (mbs); \ |
1010 | \ |
1011 | /* Allocate dynamically an array which definitely is long \ |
1012 | enough for the wide character version. Each byte in the \ |
1013 | multi-byte string can produce at most one wide character. */ \ |
1014 | if (__glibc_unlikely (len > SIZE_MAX / sizeof (wchar_t))) \ |
1015 | { \ |
1016 | __set_errno (EOVERFLOW); \ |
1017 | done = -1; \ |
1018 | goto all_done; \ |
1019 | } \ |
1020 | else if (__libc_use_alloca (len * sizeof (wchar_t))) \ |
1021 | string = (CHAR_T *) alloca (len * sizeof (wchar_t)); \ |
1022 | else if ((string = (CHAR_T *) malloc (len * sizeof (wchar_t))) \ |
1023 | == NULL) \ |
1024 | { \ |
1025 | done = -1; \ |
1026 | goto all_done; \ |
1027 | } \ |
1028 | else \ |
1029 | string_malloced = 1; \ |
1030 | \ |
1031 | memset (&mbstate, '\0', sizeof (mbstate_t)); \ |
1032 | len = __mbsrtowcs (string, &mbs, len, &mbstate); \ |
1033 | if (len == (size_t) -1) \ |
1034 | { \ |
1035 | /* Illegal multibyte character. */ \ |
1036 | done = -1; \ |
1037 | goto all_done; \ |
1038 | } \ |
1039 | } \ |
1040 | else \ |
1041 | { \ |
1042 | if (prec != -1) \ |
1043 | /* Search for the end of the string, but don't search past \ |
1044 | the length specified by the precision. */ \ |
1045 | len = __wcsnlen (string, prec); \ |
1046 | else \ |
1047 | len = __wcslen (string); \ |
1048 | } \ |
1049 | \ |
1050 | if ((width -= len) < 0) \ |
1051 | { \ |
1052 | outstring (string, len); \ |
1053 | break; \ |
1054 | } \ |
1055 | \ |
1056 | if (!left) \ |
1057 | PAD (L' '); \ |
1058 | outstring (string, len); \ |
1059 | if (left) \ |
1060 | PAD (L' '); \ |
1061 | if (__glibc_unlikely (string_malloced)) \ |
1062 | free (string); \ |
1063 | } \ |
1064 | break; |
1065 | #else |
1066 | # define process_string_arg(fspec) \ |
1067 | LABEL (form_character): \ |
1068 | /* Character. */ \ |
1069 | if (is_long) \ |
1070 | goto LABEL (form_wcharacter); \ |
1071 | --width; /* Account for the character itself. */ \ |
1072 | if (!left) \ |
1073 | PAD (' '); \ |
1074 | if (fspec == NULL) \ |
1075 | outchar ((unsigned char) va_arg (ap, int)); /* Promoted. */ \ |
1076 | else \ |
1077 | outchar ((unsigned char) args_value[fspec->data_arg].pa_int); \ |
1078 | if (left) \ |
1079 | PAD (' '); \ |
1080 | break; \ |
1081 | \ |
1082 | LABEL (form_wcharacter): \ |
1083 | { \ |
1084 | /* Wide character. */ \ |
1085 | char buf[MB_CUR_MAX]; \ |
1086 | mbstate_t mbstate; \ |
1087 | size_t len; \ |
1088 | \ |
1089 | memset (&mbstate, '\0', sizeof (mbstate_t)); \ |
1090 | len = __wcrtomb (buf, (fspec == NULL ? va_arg (ap, wchar_t) \ |
1091 | : args_value[fspec->data_arg].pa_wchar), \ |
1092 | &mbstate); \ |
1093 | if (len == (size_t) -1) \ |
1094 | { \ |
1095 | /* Something went wrong during the conversion. Bail out. */ \ |
1096 | done = -1; \ |
1097 | goto all_done; \ |
1098 | } \ |
1099 | width -= len; \ |
1100 | if (!left) \ |
1101 | PAD (' '); \ |
1102 | outstring (buf, len); \ |
1103 | if (left) \ |
1104 | PAD (' '); \ |
1105 | } \ |
1106 | break; \ |
1107 | \ |
1108 | LABEL (form_string): \ |
1109 | { \ |
1110 | size_t len; \ |
1111 | int string_malloced; \ |
1112 | \ |
1113 | /* The string argument could in fact be `char *' or `wchar_t *'. \ |
1114 | But this should not make a difference here. */ \ |
1115 | if (fspec == NULL) \ |
1116 | string = (char *) va_arg (ap, const char *); \ |
1117 | else \ |
1118 | string = (char *) args_value[fspec->data_arg].pa_string; \ |
1119 | \ |
1120 | /* Entry point for printing other strings. */ \ |
1121 | LABEL (print_string): \ |
1122 | \ |
1123 | string_malloced = 0; \ |
1124 | if (string == NULL) \ |
1125 | { \ |
1126 | /* Write "(null)" if there's space. */ \ |
1127 | if (prec == -1 || prec >= (int) sizeof (null) - 1) \ |
1128 | { \ |
1129 | string = (char *) null; \ |
1130 | len = sizeof (null) - 1; \ |
1131 | } \ |
1132 | else \ |
1133 | { \ |
1134 | string = (char *) ""; \ |
1135 | len = 0; \ |
1136 | } \ |
1137 | } \ |
1138 | else if (!is_long && spec != L_('S')) \ |
1139 | { \ |
1140 | if (prec != -1) \ |
1141 | /* Search for the end of the string, but don't search past \ |
1142 | the length (in bytes) specified by the precision. */ \ |
1143 | len = __strnlen (string, prec); \ |
1144 | else \ |
1145 | len = strlen (string); \ |
1146 | } \ |
1147 | else \ |
1148 | { \ |
1149 | const wchar_t *s2 = (const wchar_t *) string; \ |
1150 | mbstate_t mbstate; \ |
1151 | \ |
1152 | memset (&mbstate, '\0', sizeof (mbstate_t)); \ |
1153 | \ |
1154 | if (prec >= 0) \ |
1155 | { \ |
1156 | /* The string `s2' might not be NUL terminated. */ \ |
1157 | if (__libc_use_alloca (prec)) \ |
1158 | string = (char *) alloca (prec); \ |
1159 | else if ((string = (char *) malloc (prec)) == NULL) \ |
1160 | { \ |
1161 | done = -1; \ |
1162 | goto all_done; \ |
1163 | } \ |
1164 | else \ |
1165 | string_malloced = 1; \ |
1166 | len = __wcsrtombs (string, &s2, prec, &mbstate); \ |
1167 | } \ |
1168 | else \ |
1169 | { \ |
1170 | len = __wcsrtombs (NULL, &s2, 0, &mbstate); \ |
1171 | if (len != (size_t) -1) \ |
1172 | { \ |
1173 | assert (__mbsinit (&mbstate)); \ |
1174 | s2 = (const wchar_t *) string; \ |
1175 | if (__libc_use_alloca (len + 1)) \ |
1176 | string = (char *) alloca (len + 1); \ |
1177 | else if ((string = (char *) malloc (len + 1)) == NULL) \ |
1178 | { \ |
1179 | done = -1; \ |
1180 | goto all_done; \ |
1181 | } \ |
1182 | else \ |
1183 | string_malloced = 1; \ |
1184 | (void) __wcsrtombs (string, &s2, len + 1, &mbstate); \ |
1185 | } \ |
1186 | } \ |
1187 | \ |
1188 | if (len == (size_t) -1) \ |
1189 | { \ |
1190 | /* Illegal wide-character string. */ \ |
1191 | done = -1; \ |
1192 | goto all_done; \ |
1193 | } \ |
1194 | } \ |
1195 | \ |
1196 | if ((width -= len) < 0) \ |
1197 | { \ |
1198 | outstring (string, len); \ |
1199 | break; \ |
1200 | } \ |
1201 | \ |
1202 | if (!left) \ |
1203 | PAD (' '); \ |
1204 | outstring (string, len); \ |
1205 | if (left) \ |
1206 | PAD (' '); \ |
1207 | if (__glibc_unlikely (string_malloced)) \ |
1208 | free (string); \ |
1209 | } \ |
1210 | break; |
1211 | #endif |
1212 | |
1213 | /* Helper function to provide temporary buffering for unbuffered streams. */ |
1214 | static int buffered_vfprintf (FILE *stream, const CHAR_T *fmt, va_list) |
1215 | __THROW __attribute__ ((noinline)) internal_function; |
1216 | |
1217 | /* Handle positional format specifiers. */ |
1218 | static int printf_positional (_IO_FILE *s, |
1219 | const CHAR_T *format, int readonly_format, |
1220 | va_list ap, va_list *ap_savep, int done, |
1221 | int nspecs_done, const UCHAR_T *lead_str_end, |
1222 | CHAR_T *work_buffer, int save_errno, |
1223 | const char *grouping, THOUSANDS_SEP_T); |
1224 | |
1225 | /* Handle unknown format specifier. */ |
1226 | static int printf_unknown (FILE *, const struct printf_info *, |
1227 | const void *const *) __THROW; |
1228 | |
1229 | /* Group digits of number string. */ |
1230 | static CHAR_T *group_number (CHAR_T *, CHAR_T *, const char *, THOUSANDS_SEP_T) |
1231 | __THROW internal_function; |
1232 | |
1233 | /* The function itself. */ |
1234 | int |
1235 | vfprintf (FILE *s, const CHAR_T *format, va_list ap) |
1236 | { |
1237 | /* The character used as thousands separator. */ |
1238 | THOUSANDS_SEP_T thousands_sep = 0; |
1239 | |
1240 | /* The string describing the size of groups of digits. */ |
1241 | const char *grouping; |
1242 | |
1243 | /* Place to accumulate the result. */ |
1244 | int done; |
1245 | |
1246 | /* Current character in format string. */ |
1247 | const UCHAR_T *f; |
1248 | |
1249 | /* End of leading constant string. */ |
1250 | const UCHAR_T *lead_str_end; |
1251 | |
1252 | /* Points to next format specifier. */ |
1253 | const UCHAR_T *end_of_spec; |
1254 | |
1255 | /* Buffer intermediate results. */ |
1256 | CHAR_T work_buffer[WORK_BUFFER_SIZE]; |
1257 | CHAR_T *workstart = NULL; |
1258 | CHAR_T *workend; |
1259 | |
1260 | /* We have to save the original argument pointer. */ |
1261 | va_list ap_save; |
1262 | |
1263 | /* Count number of specifiers we already processed. */ |
1264 | int nspecs_done; |
1265 | |
1266 | /* For the %m format we may need the current `errno' value. */ |
1267 | int save_errno = errno; |
1268 | |
1269 | /* 1 if format is in read-only memory, -1 if it is in writable memory, |
1270 | 0 if unknown. */ |
1271 | int readonly_format = 0; |
1272 | |
1273 | /* Orient the stream. */ |
1274 | #ifdef ORIENT |
1275 | ORIENT; |
1276 | #endif |
1277 | |
1278 | /* Sanity check of arguments. */ |
1279 | ARGCHECK (s, format); |
1280 | |
1281 | #ifdef ORIENT |
1282 | /* Check for correct orientation. */ |
1283 | if (_IO_vtable_offset (s) == 0 && |
1284 | _IO_fwide (s, sizeof (CHAR_T) == 1 ? -1 : 1) |
1285 | != (sizeof (CHAR_T) == 1 ? -1 : 1)) |
1286 | /* The stream is already oriented otherwise. */ |
1287 | return EOF; |
1288 | #endif |
1289 | |
1290 | if (UNBUFFERED_P (s)) |
1291 | /* Use a helper function which will allocate a local temporary buffer |
1292 | for the stream and then call us again. */ |
1293 | return buffered_vfprintf (s, format, ap); |
1294 | |
1295 | /* Initialize local variables. */ |
1296 | done = 0; |
1297 | grouping = (const char *) -1; |
1298 | #ifdef __va_copy |
1299 | /* This macro will be available soon in gcc's <stdarg.h>. We need it |
1300 | since on some systems `va_list' is not an integral type. */ |
1301 | __va_copy (ap_save, ap); |
1302 | #else |
1303 | ap_save = ap; |
1304 | #endif |
1305 | nspecs_done = 0; |
1306 | |
1307 | #ifdef COMPILE_WPRINTF |
1308 | /* Find the first format specifier. */ |
1309 | f = lead_str_end = __find_specwc ((const UCHAR_T *) format); |
1310 | #else |
1311 | /* Find the first format specifier. */ |
1312 | f = lead_str_end = __find_specmb ((const UCHAR_T *) format); |
1313 | #endif |
1314 | |
1315 | /* Lock stream. */ |
1316 | _IO_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, s); |
1317 | _IO_flockfile (s); |
1318 | |
1319 | /* Write the literal text before the first format. */ |
1320 | outstring ((const UCHAR_T *) format, |
1321 | lead_str_end - (const UCHAR_T *) format); |
1322 | |
1323 | /* If we only have to print a simple string, return now. */ |
1324 | if (*f == L_('\0')) |
1325 | goto all_done; |
1326 | |
1327 | /* Use the slow path in case any printf handler is registered. */ |
1328 | if (__glibc_unlikely (__printf_function_table != NULL |
1329 | || __printf_modifier_table != NULL |
1330 | || __printf_va_arg_table != NULL)) |
1331 | goto do_positional; |
1332 | |
1333 | /* Process whole format string. */ |
1334 | do |
1335 | { |
1336 | STEP0_3_TABLE; |
1337 | STEP4_TABLE; |
1338 | |
1339 | union printf_arg *args_value; /* This is not used here but ... */ |
1340 | int is_negative; /* Flag for negative number. */ |
1341 | union |
1342 | { |
1343 | unsigned long long int longlong; |
1344 | unsigned long int word; |
1345 | } number; |
1346 | int base; |
1347 | union printf_arg the_arg; |
1348 | CHAR_T *string; /* Pointer to argument string. */ |
1349 | int alt = 0; /* Alternate format. */ |
1350 | int space = 0; /* Use space prefix if no sign is needed. */ |
1351 | int left = 0; /* Left-justify output. */ |
1352 | int showsign = 0; /* Always begin with plus or minus sign. */ |
1353 | int group = 0; /* Print numbers according grouping rules. */ |
1354 | int is_long_double = 0; /* Argument is long double/ long long int. */ |
1355 | int is_short = 0; /* Argument is short int. */ |
1356 | int is_long = 0; /* Argument is long int. */ |
1357 | int is_char = 0; /* Argument is promoted (unsigned) char. */ |
1358 | int width = 0; /* Width of output; 0 means none specified. */ |
1359 | int prec = -1; /* Precision of output; -1 means none specified. */ |
1360 | /* This flag is set by the 'I' modifier and selects the use of the |
1361 | `outdigits' as determined by the current locale. */ |
1362 | int use_outdigits = 0; |
1363 | UCHAR_T pad = L_(' ');/* Padding character. */ |
1364 | CHAR_T spec; |
1365 | |
1366 | workstart = NULL; |
1367 | workend = work_buffer + WORK_BUFFER_SIZE; |
1368 | |
1369 | /* Get current character in format string. */ |
1370 | JUMP (*++f, step0_jumps); |
1371 | |
1372 | /* ' ' flag. */ |
1373 | LABEL (flag_space): |
1374 | space = 1; |
1375 | JUMP (*++f, step0_jumps); |
1376 | |
1377 | /* '+' flag. */ |
1378 | LABEL (flag_plus): |
1379 | showsign = 1; |
1380 | JUMP (*++f, step0_jumps); |
1381 | |
1382 | /* The '-' flag. */ |
1383 | LABEL (flag_minus): |
1384 | left = 1; |
1385 | pad = L_(' '); |
1386 | JUMP (*++f, step0_jumps); |
1387 | |
1388 | /* The '#' flag. */ |
1389 | LABEL (flag_hash): |
1390 | alt = 1; |
1391 | JUMP (*++f, step0_jumps); |
1392 | |
1393 | /* The '0' flag. */ |
1394 | LABEL (flag_zero): |
1395 | if (!left) |
1396 | pad = L_('0'); |
1397 | JUMP (*++f, step0_jumps); |
1398 | |
1399 | /* The '\'' flag. */ |
1400 | LABEL (flag_quote): |
1401 | group = 1; |
1402 | |
1403 | if (grouping == (const char *) -1) |
1404 | { |
1405 | #ifdef COMPILE_WPRINTF |
1406 | thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC, |
1407 | _NL_NUMERIC_THOUSANDS_SEP_WC); |
1408 | #else |
1409 | thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP); |
1410 | #endif |
1411 | |
1412 | grouping = _NL_CURRENT (LC_NUMERIC, GROUPING); |
1413 | if (*grouping == '\0' || *grouping == CHAR_MAX |
1414 | #ifdef COMPILE_WPRINTF |
1415 | || thousands_sep == L'\0' |
1416 | #else |
1417 | || *thousands_sep == '\0' |
1418 | #endif |
1419 | ) |
1420 | grouping = NULL; |
1421 | } |
1422 | JUMP (*++f, step0_jumps); |
1423 | |
1424 | LABEL (flag_i18n): |
1425 | use_outdigits = 1; |
1426 | JUMP (*++f, step0_jumps); |
1427 | |
1428 | /* Get width from argument. */ |
1429 | LABEL (width_asterics): |
1430 | { |
1431 | const UCHAR_T *tmp; /* Temporary value. */ |
1432 | |
1433 | tmp = ++f; |
1434 | if (ISDIGIT (*tmp)) |
1435 | { |
1436 | int pos = read_int (&tmp); |
1437 | |
1438 | if (pos == -1) |
1439 | { |
1440 | __set_errno (EOVERFLOW); |
1441 | done = -1; |
1442 | goto all_done; |
1443 | } |
1444 | |
1445 | if (pos && *tmp == L_('$')) |
1446 | /* The width comes from a positional parameter. */ |
1447 | goto do_positional; |
1448 | } |
1449 | width = va_arg (ap, int); |
1450 | |
1451 | /* Negative width means left justified. */ |
1452 | if (width < 0) |
1453 | { |
1454 | width = -width; |
1455 | pad = L_(' '); |
1456 | left = 1; |
1457 | } |
1458 | |
1459 | if (__glibc_unlikely (width >= INT_MAX / sizeof (CHAR_T) - 32)) |
1460 | { |
1461 | __set_errno (EOVERFLOW); |
1462 | done = -1; |
1463 | goto all_done; |
1464 | } |
1465 | |
1466 | if (width >= WORK_BUFFER_SIZE - 32) |
1467 | { |
1468 | /* We have to use a special buffer. The "32" is just a safe |
1469 | bet for all the output which is not counted in the width. */ |
1470 | size_t needed = ((size_t) width + 32) * sizeof (CHAR_T); |
1471 | if (__libc_use_alloca (needed)) |
1472 | workend = (CHAR_T *) alloca (needed) + width + 32; |
1473 | else |
1474 | { |
1475 | workstart = (CHAR_T *) malloc (needed); |
1476 | if (workstart == NULL) |
1477 | { |
1478 | done = -1; |
1479 | goto all_done; |
1480 | } |
1481 | workend = workstart + width + 32; |
1482 | } |
1483 | } |
1484 | } |
1485 | JUMP (*f, step1_jumps); |
1486 | |
1487 | /* Given width in format string. */ |
1488 | LABEL (width): |
1489 | width = read_int (&f); |
1490 | |
1491 | if (__glibc_unlikely (width == -1 |
1492 | || width >= INT_MAX / sizeof (CHAR_T) - 32)) |
1493 | { |
1494 | __set_errno (EOVERFLOW); |
1495 | done = -1; |
1496 | goto all_done; |
1497 | } |
1498 | |
1499 | if (width >= WORK_BUFFER_SIZE - 32) |
1500 | { |
1501 | /* We have to use a special buffer. The "32" is just a safe |
1502 | bet for all the output which is not counted in the width. */ |
1503 | size_t needed = ((size_t) width + 32) * sizeof (CHAR_T); |
1504 | if (__libc_use_alloca (needed)) |
1505 | workend = (CHAR_T *) alloca (needed) + width + 32; |
1506 | else |
1507 | { |
1508 | workstart = (CHAR_T *) malloc (needed); |
1509 | if (workstart == NULL) |
1510 | { |
1511 | done = -1; |
1512 | goto all_done; |
1513 | } |
1514 | workend = workstart + width + 32; |
1515 | } |
1516 | } |
1517 | if (*f == L_('$')) |
1518 | /* Oh, oh. The argument comes from a positional parameter. */ |
1519 | goto do_positional; |
1520 | JUMP (*f, step1_jumps); |
1521 | |
1522 | LABEL (precision): |
1523 | ++f; |
1524 | if (*f == L_('*')) |
1525 | { |
1526 | const UCHAR_T *tmp; /* Temporary value. */ |
1527 | |
1528 | tmp = ++f; |
1529 | if (ISDIGIT (*tmp)) |
1530 | { |
1531 | int pos = read_int (&tmp); |
1532 | |
1533 | if (pos == -1) |
1534 | { |
1535 | __set_errno (EOVERFLOW); |
1536 | done = -1; |
1537 | goto all_done; |
1538 | } |
1539 | |
1540 | if (pos && *tmp == L_('$')) |
1541 | /* The precision comes from a positional parameter. */ |
1542 | goto do_positional; |
1543 | } |
1544 | prec = va_arg (ap, int); |
1545 | |
1546 | /* If the precision is negative the precision is omitted. */ |
1547 | if (prec < 0) |
1548 | prec = -1; |
1549 | } |
1550 | else if (ISDIGIT (*f)) |
1551 | { |
1552 | prec = read_int (&f); |
1553 | |
1554 | /* The precision was specified in this case as an extremely |
1555 | large positive value. */ |
1556 | if (prec == -1) |
1557 | { |
1558 | __set_errno (EOVERFLOW); |
1559 | done = -1; |
1560 | goto all_done; |
1561 | } |
1562 | } |
1563 | else |
1564 | prec = 0; |
1565 | if (prec > width && prec > WORK_BUFFER_SIZE - 32) |
1566 | { |
1567 | if (__glibc_unlikely (prec >= INT_MAX / sizeof (CHAR_T) - 32)) |
1568 | { |
1569 | __set_errno (EOVERFLOW); |
1570 | done = -1; |
1571 | goto all_done; |
1572 | } |
1573 | size_t needed = ((size_t) prec + 32) * sizeof (CHAR_T); |
1574 | |
1575 | if (__libc_use_alloca (needed)) |
1576 | workend = (CHAR_T *) alloca (needed) + prec + 32; |
1577 | else |
1578 | { |
1579 | workstart = (CHAR_T *) malloc (needed); |
1580 | if (workstart == NULL) |
1581 | { |
1582 | done = -1; |
1583 | goto all_done; |
1584 | } |
1585 | workend = workstart + prec + 32; |
1586 | } |
1587 | } |
1588 | JUMP (*f, step2_jumps); |
1589 | |
1590 | /* Process 'h' modifier. There might another 'h' following. */ |
1591 | LABEL (mod_half): |
1592 | is_short = 1; |
1593 | JUMP (*++f, step3a_jumps); |
1594 | |
1595 | /* Process 'hh' modifier. */ |
1596 | LABEL (mod_halfhalf): |
1597 | is_short = 0; |
1598 | is_char = 1; |
1599 | JUMP (*++f, step4_jumps); |
1600 | |
1601 | /* Process 'l' modifier. There might another 'l' following. */ |
1602 | LABEL (mod_long): |
1603 | is_long = 1; |
1604 | JUMP (*++f, step3b_jumps); |
1605 | |
1606 | /* Process 'L', 'q', or 'll' modifier. No other modifier is |
1607 | allowed to follow. */ |
1608 | LABEL (mod_longlong): |
1609 | is_long_double = 1; |
1610 | is_long = 1; |
1611 | JUMP (*++f, step4_jumps); |
1612 | |
1613 | LABEL (mod_size_t): |
1614 | is_long_double = sizeof (size_t) > sizeof (unsigned long int); |
1615 | is_long = sizeof (size_t) > sizeof (unsigned int); |
1616 | JUMP (*++f, step4_jumps); |
1617 | |
1618 | LABEL (mod_ptrdiff_t): |
1619 | is_long_double = sizeof (ptrdiff_t) > sizeof (unsigned long int); |
1620 | is_long = sizeof (ptrdiff_t) > sizeof (unsigned int); |
1621 | JUMP (*++f, step4_jumps); |
1622 | |
1623 | LABEL (mod_intmax_t): |
1624 | is_long_double = sizeof (intmax_t) > sizeof (unsigned long int); |
1625 | is_long = sizeof (intmax_t) > sizeof (unsigned int); |
1626 | JUMP (*++f, step4_jumps); |
1627 | |
1628 | /* Process current format. */ |
1629 | while (1) |
1630 | { |
1631 | process_arg (((struct printf_spec *) NULL)); |
1632 | process_string_arg (((struct printf_spec *) NULL)); |
1633 | |
1634 | LABEL (form_unknown): |
1635 | if (spec == L_('\0')) |
1636 | { |
1637 | /* The format string ended before the specifier is complete. */ |
1638 | __set_errno (EINVAL); |
1639 | done = -1; |
1640 | goto all_done; |
1641 | } |
1642 | |
1643 | /* If we are in the fast loop force entering the complicated |
1644 | one. */ |
1645 | goto do_positional; |
1646 | } |
1647 | |
1648 | /* The format is correctly handled. */ |
1649 | ++nspecs_done; |
1650 | |
1651 | if (__glibc_unlikely (workstart != NULL)) |
1652 | free (workstart); |
1653 | workstart = NULL; |
1654 | |
1655 | /* Look for next format specifier. */ |
1656 | #ifdef COMPILE_WPRINTF |
1657 | f = __find_specwc ((end_of_spec = ++f)); |
1658 | #else |
1659 | f = __find_specmb ((end_of_spec = ++f)); |
1660 | #endif |
1661 | |
1662 | /* Write the following constant string. */ |
1663 | outstring (end_of_spec, f - end_of_spec); |
1664 | } |
1665 | while (*f != L_('\0')); |
1666 | |
1667 | /* Unlock stream and return. */ |
1668 | goto all_done; |
1669 | |
1670 | /* Hand off processing for positional parameters. */ |
1671 | do_positional: |
1672 | if (__glibc_unlikely (workstart != NULL)) |
1673 | { |
1674 | free (workstart); |
1675 | workstart = NULL; |
1676 | } |
1677 | done = printf_positional (s, format, readonly_format, ap, &ap_save, |
1678 | done, nspecs_done, lead_str_end, work_buffer, |
1679 | save_errno, grouping, thousands_sep); |
1680 | |
1681 | all_done: |
1682 | if (__glibc_unlikely (workstart != NULL)) |
1683 | free (workstart); |
1684 | /* Unlock the stream. */ |
1685 | _IO_funlockfile (s); |
1686 | _IO_cleanup_region_end (0); |
1687 | |
1688 | return done; |
1689 | } |
1690 | |
1691 | static int |
1692 | printf_positional (_IO_FILE *s, const CHAR_T *format, int readonly_format, |
1693 | va_list ap, va_list *ap_savep, int done, int nspecs_done, |
1694 | const UCHAR_T *lead_str_end, |
1695 | CHAR_T *work_buffer, int save_errno, |
1696 | const char *grouping, THOUSANDS_SEP_T thousands_sep) |
1697 | { |
1698 | /* For the argument descriptions, which may be allocated on the heap. */ |
1699 | void *args_malloced = NULL; |
1700 | |
1701 | /* For positional argument handling. */ |
1702 | struct scratch_buffer specsbuf; |
1703 | scratch_buffer_init (&specsbuf); |
1704 | struct printf_spec *specs = specsbuf.data; |
1705 | size_t specs_limit = specsbuf.length / sizeof (specs[0]); |
1706 | |
1707 | /* Array with information about the needed arguments. This has to |
1708 | be dynamically extensible. */ |
1709 | size_t nspecs = 0; |
1710 | |
1711 | /* The number of arguments the format string requests. This will |
1712 | determine the size of the array needed to store the argument |
1713 | attributes. */ |
1714 | size_t nargs = 0; |
1715 | size_t bytes_per_arg; |
1716 | union printf_arg *args_value; |
1717 | int *args_size; |
1718 | int *args_type; |
1719 | |
1720 | /* Positional parameters refer to arguments directly. This could |
1721 | also determine the maximum number of arguments. Track the |
1722 | maximum number. */ |
1723 | size_t max_ref_arg = 0; |
1724 | |
1725 | /* Just a counter. */ |
1726 | size_t cnt; |
1727 | |
1728 | CHAR_T *workstart = NULL; |
1729 | |
1730 | if (grouping == (const char *) -1) |
1731 | { |
1732 | #ifdef COMPILE_WPRINTF |
1733 | thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC, |
1734 | _NL_NUMERIC_THOUSANDS_SEP_WC); |
1735 | #else |
1736 | thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP); |
1737 | #endif |
1738 | |
1739 | grouping = _NL_CURRENT (LC_NUMERIC, GROUPING); |
1740 | if (*grouping == '\0' || *grouping == CHAR_MAX) |
1741 | grouping = NULL; |
1742 | } |
1743 | |
1744 | for (const UCHAR_T *f = lead_str_end; *f != L_('\0'); |
1745 | f = specs[nspecs++].next_fmt) |
1746 | { |
1747 | if (nspecs == specs_limit) |
1748 | { |
1749 | if (!scratch_buffer_grow_preserve (&specsbuf)) |
1750 | { |
1751 | done = -1; |
1752 | goto all_done; |
1753 | } |
1754 | specs = specsbuf.data; |
1755 | specs_limit = specsbuf.length / sizeof (specs[0]); |
1756 | } |
1757 | |
1758 | /* Parse the format specifier. */ |
1759 | #ifdef COMPILE_WPRINTF |
1760 | nargs += __parse_one_specwc (f, nargs, &specs[nspecs], &max_ref_arg); |
1761 | #else |
1762 | nargs += __parse_one_specmb (f, nargs, &specs[nspecs], &max_ref_arg); |
1763 | #endif |
1764 | } |
1765 | |
1766 | /* Determine the number of arguments the format string consumes. */ |
1767 | nargs = MAX (nargs, max_ref_arg); |
1768 | /* Calculate total size needed to represent a single argument across |
1769 | all three argument-related arrays. */ |
1770 | bytes_per_arg = (sizeof (*args_value) + sizeof (*args_size) |
1771 | + sizeof (*args_type)); |
1772 | |
1773 | /* Check for potential integer overflow. */ |
1774 | if (__glibc_unlikely (nargs > INT_MAX / bytes_per_arg)) |
1775 | { |
1776 | __set_errno (EOVERFLOW); |
1777 | done = -1; |
1778 | goto all_done; |
1779 | } |
1780 | |
1781 | /* Allocate memory for all three argument arrays. */ |
1782 | if (__libc_use_alloca (nargs * bytes_per_arg)) |
1783 | args_value = alloca (nargs * bytes_per_arg); |
1784 | else |
1785 | { |
1786 | args_value = args_malloced = malloc (nargs * bytes_per_arg); |
1787 | if (args_value == NULL) |
1788 | { |
1789 | done = -1; |
1790 | goto all_done; |
1791 | } |
1792 | } |
1793 | |
1794 | /* Set up the remaining two arrays to each point past the end of the |
1795 | prior array, since space for all three has been allocated now. */ |
1796 | args_size = &args_value[nargs].pa_int; |
1797 | args_type = &args_size[nargs]; |
1798 | memset (args_type, s->_flags2 & _IO_FLAGS2_FORTIFY ? '\xff' : '\0', |
1799 | nargs * sizeof (*args_type)); |
1800 | |
1801 | /* XXX Could do sanity check here: If any element in ARGS_TYPE is |
1802 | still zero after this loop, format is invalid. For now we |
1803 | simply use 0 as the value. */ |
1804 | |
1805 | /* Fill in the types of all the arguments. */ |
1806 | for (cnt = 0; cnt < nspecs; ++cnt) |
1807 | { |
1808 | /* If the width is determined by an argument this is an int. */ |
1809 | if (specs[cnt].width_arg != -1) |
1810 | args_type[specs[cnt].width_arg] = PA_INT; |
1811 | |
1812 | /* If the precision is determined by an argument this is an int. */ |
1813 | if (specs[cnt].prec_arg != -1) |
1814 | args_type[specs[cnt].prec_arg] = PA_INT; |
1815 | |
1816 | switch (specs[cnt].ndata_args) |
1817 | { |
1818 | case 0: /* No arguments. */ |
1819 | break; |
1820 | case 1: /* One argument; we already have the |
1821 | type and size. */ |
1822 | args_type[specs[cnt].data_arg] = specs[cnt].data_arg_type; |
1823 | args_size[specs[cnt].data_arg] = specs[cnt].size; |
1824 | break; |
1825 | default: |
1826 | /* We have more than one argument for this format spec. |
1827 | We must call the arginfo function again to determine |
1828 | all the types. */ |
1829 | (void) (*__printf_arginfo_table[specs[cnt].info.spec]) |
1830 | (&specs[cnt].info, |
1831 | specs[cnt].ndata_args, &args_type[specs[cnt].data_arg], |
1832 | &args_size[specs[cnt].data_arg]); |
1833 | break; |
1834 | } |
1835 | } |
1836 | |
1837 | /* Now we know all the types and the order. Fill in the argument |
1838 | values. */ |
1839 | for (cnt = 0; cnt < nargs; ++cnt) |
1840 | switch (args_type[cnt]) |
1841 | { |
1842 | #define T(tag, mem, type) \ |
1843 | case tag: \ |
1844 | args_value[cnt].mem = va_arg (*ap_savep, type); \ |
1845 | break |
1846 | |
1847 | T (PA_WCHAR, pa_wchar, wint_t); |
1848 | case PA_CHAR: /* Promoted. */ |
1849 | case PA_INT|PA_FLAG_SHORT: /* Promoted. */ |
1850 | #if LONG_MAX == INT_MAX |
1851 | case PA_INT|PA_FLAG_LONG: |
1852 | #endif |
1853 | T (PA_INT, pa_int, int); |
1854 | #if LONG_MAX == LONG_LONG_MAX |
1855 | case PA_INT|PA_FLAG_LONG: |
1856 | #endif |
1857 | T (PA_INT|PA_FLAG_LONG_LONG, pa_long_long_int, long long int); |
1858 | #if LONG_MAX != INT_MAX && LONG_MAX != LONG_LONG_MAX |
1859 | # error "he?" |
1860 | #endif |
1861 | case PA_FLOAT: /* Promoted. */ |
1862 | T (PA_DOUBLE, pa_double, double); |
1863 | case PA_DOUBLE|PA_FLAG_LONG_DOUBLE: |
1864 | if (__ldbl_is_dbl) |
1865 | { |
1866 | args_value[cnt].pa_double = va_arg (*ap_savep, double); |
1867 | args_type[cnt] &= ~PA_FLAG_LONG_DOUBLE; |
1868 | } |
1869 | else |
1870 | args_value[cnt].pa_long_double = va_arg (*ap_savep, long double); |
1871 | break; |
1872 | case PA_STRING: /* All pointers are the same */ |
1873 | case PA_WSTRING: /* All pointers are the same */ |
1874 | T (PA_POINTER, pa_pointer, void *); |
1875 | #undef T |
1876 | default: |
1877 | if ((args_type[cnt] & PA_FLAG_PTR) != 0) |
1878 | args_value[cnt].pa_pointer = va_arg (*ap_savep, void *); |
1879 | else if (__glibc_unlikely (__printf_va_arg_table != NULL) |
1880 | && __printf_va_arg_table[args_type[cnt] - PA_LAST] != NULL) |
1881 | { |
1882 | args_value[cnt].pa_user = alloca (args_size[cnt]); |
1883 | (*__printf_va_arg_table[args_type[cnt] - PA_LAST]) |
1884 | (args_value[cnt].pa_user, ap_savep); |
1885 | } |
1886 | else |
1887 | args_value[cnt].pa_long_double = 0.0; |
1888 | break; |
1889 | case -1: |
1890 | /* Error case. Not all parameters appear in N$ format |
1891 | strings. We have no way to determine their type. */ |
1892 | assert (s->_flags2 & _IO_FLAGS2_FORTIFY); |
1893 | __libc_fatal ("*** invalid %N$ use detected ***\n" ); |
1894 | } |
1895 | |
1896 | /* Now walk through all format specifiers and process them. */ |
1897 | for (; (size_t) nspecs_done < nspecs; ++nspecs_done) |
1898 | { |
1899 | STEP4_TABLE; |
1900 | |
1901 | int is_negative; |
1902 | union |
1903 | { |
1904 | unsigned long long int longlong; |
1905 | unsigned long int word; |
1906 | } number; |
1907 | int base; |
1908 | union printf_arg the_arg; |
1909 | CHAR_T *string; /* Pointer to argument string. */ |
1910 | |
1911 | /* Fill variables from values in struct. */ |
1912 | int alt = specs[nspecs_done].info.alt; |
1913 | int space = specs[nspecs_done].info.space; |
1914 | int left = specs[nspecs_done].info.left; |
1915 | int showsign = specs[nspecs_done].info.showsign; |
1916 | int group = specs[nspecs_done].info.group; |
1917 | int is_long_double = specs[nspecs_done].info.is_long_double; |
1918 | int is_short = specs[nspecs_done].info.is_short; |
1919 | int is_char = specs[nspecs_done].info.is_char; |
1920 | int is_long = specs[nspecs_done].info.is_long; |
1921 | int width = specs[nspecs_done].info.width; |
1922 | int prec = specs[nspecs_done].info.prec; |
1923 | int use_outdigits = specs[nspecs_done].info.i18n; |
1924 | char pad = specs[nspecs_done].info.pad; |
1925 | CHAR_T spec = specs[nspecs_done].info.spec; |
1926 | |
1927 | workstart = NULL; |
1928 | CHAR_T *workend = work_buffer + WORK_BUFFER_SIZE; |
1929 | |
1930 | /* Fill in last information. */ |
1931 | if (specs[nspecs_done].width_arg != -1) |
1932 | { |
1933 | /* Extract the field width from an argument. */ |
1934 | specs[nspecs_done].info.width = |
1935 | args_value[specs[nspecs_done].width_arg].pa_int; |
1936 | |
1937 | if (specs[nspecs_done].info.width < 0) |
1938 | /* If the width value is negative left justification is |
1939 | selected and the value is taken as being positive. */ |
1940 | { |
1941 | specs[nspecs_done].info.width *= -1; |
1942 | left = specs[nspecs_done].info.left = 1; |
1943 | } |
1944 | width = specs[nspecs_done].info.width; |
1945 | } |
1946 | |
1947 | if (specs[nspecs_done].prec_arg != -1) |
1948 | { |
1949 | /* Extract the precision from an argument. */ |
1950 | specs[nspecs_done].info.prec = |
1951 | args_value[specs[nspecs_done].prec_arg].pa_int; |
1952 | |
1953 | if (specs[nspecs_done].info.prec < 0) |
1954 | /* If the precision is negative the precision is |
1955 | omitted. */ |
1956 | specs[nspecs_done].info.prec = -1; |
1957 | |
1958 | prec = specs[nspecs_done].info.prec; |
1959 | } |
1960 | |
1961 | /* Maybe the buffer is too small. */ |
1962 | if (MAX (prec, width) + 32 > WORK_BUFFER_SIZE) |
1963 | { |
1964 | if (__libc_use_alloca ((MAX (prec, width) + 32) |
1965 | * sizeof (CHAR_T))) |
1966 | workend = ((CHAR_T *) alloca ((MAX (prec, width) + 32) |
1967 | * sizeof (CHAR_T)) |
1968 | + (MAX (prec, width) + 32)); |
1969 | else |
1970 | { |
1971 | workstart = (CHAR_T *) malloc ((MAX (prec, width) + 32) |
1972 | * sizeof (CHAR_T)); |
1973 | if (workstart == NULL) |
1974 | { |
1975 | done = -1; |
1976 | goto all_done; |
1977 | } |
1978 | workend = workstart + (MAX (prec, width) + 32); |
1979 | } |
1980 | } |
1981 | |
1982 | /* Process format specifiers. */ |
1983 | while (1) |
1984 | { |
1985 | extern printf_function **__printf_function_table; |
1986 | int function_done; |
1987 | |
1988 | if (spec <= UCHAR_MAX |
1989 | && __printf_function_table != NULL |
1990 | && __printf_function_table[(size_t) spec] != NULL) |
1991 | { |
1992 | const void **ptr = alloca (specs[nspecs_done].ndata_args |
1993 | * sizeof (const void *)); |
1994 | |
1995 | /* Fill in an array of pointers to the argument values. */ |
1996 | for (unsigned int i = 0; i < specs[nspecs_done].ndata_args; |
1997 | ++i) |
1998 | ptr[i] = &args_value[specs[nspecs_done].data_arg + i]; |
1999 | |
2000 | /* Call the function. */ |
2001 | function_done = __printf_function_table[(size_t) spec] |
2002 | (s, &specs[nspecs_done].info, ptr); |
2003 | |
2004 | if (function_done != -2) |
2005 | { |
2006 | /* If an error occurred we don't have information |
2007 | about # of chars. */ |
2008 | if (function_done < 0) |
2009 | { |
2010 | /* Function has set errno. */ |
2011 | done = -1; |
2012 | goto all_done; |
2013 | } |
2014 | |
2015 | done_add (function_done); |
2016 | break; |
2017 | } |
2018 | } |
2019 | |
2020 | JUMP (spec, step4_jumps); |
2021 | |
2022 | process_arg ((&specs[nspecs_done])); |
2023 | process_string_arg ((&specs[nspecs_done])); |
2024 | |
2025 | LABEL (form_unknown): |
2026 | { |
2027 | unsigned int i; |
2028 | const void **ptr; |
2029 | |
2030 | ptr = alloca (specs[nspecs_done].ndata_args |
2031 | * sizeof (const void *)); |
2032 | |
2033 | /* Fill in an array of pointers to the argument values. */ |
2034 | for (i = 0; i < specs[nspecs_done].ndata_args; ++i) |
2035 | ptr[i] = &args_value[specs[nspecs_done].data_arg + i]; |
2036 | |
2037 | /* Call the function. */ |
2038 | function_done = printf_unknown (s, &specs[nspecs_done].info, |
2039 | ptr); |
2040 | |
2041 | /* If an error occurred we don't have information about # |
2042 | of chars. */ |
2043 | if (function_done < 0) |
2044 | { |
2045 | /* Function has set errno. */ |
2046 | done = -1; |
2047 | goto all_done; |
2048 | } |
2049 | |
2050 | done_add (function_done); |
2051 | } |
2052 | break; |
2053 | } |
2054 | |
2055 | if (__glibc_unlikely (workstart != NULL)) |
2056 | free (workstart); |
2057 | workstart = NULL; |
2058 | |
2059 | /* Write the following constant string. */ |
2060 | outstring (specs[nspecs_done].end_of_fmt, |
2061 | specs[nspecs_done].next_fmt |
2062 | - specs[nspecs_done].end_of_fmt); |
2063 | } |
2064 | all_done: |
2065 | if (__glibc_unlikely (args_malloced != NULL)) |
2066 | free (args_malloced); |
2067 | if (__glibc_unlikely (workstart != NULL)) |
2068 | free (workstart); |
2069 | scratch_buffer_free (&specsbuf); |
2070 | return done; |
2071 | } |
2072 | |
2073 | /* Handle an unknown format specifier. This prints out a canonicalized |
2074 | representation of the format spec itself. */ |
2075 | static int |
2076 | printf_unknown (FILE *s, const struct printf_info *info, |
2077 | const void *const *args) |
2078 | |
2079 | { |
2080 | int done = 0; |
2081 | CHAR_T work_buffer[MAX (sizeof (info->width), sizeof (info->prec)) * 3]; |
2082 | CHAR_T *const workend |
2083 | = &work_buffer[sizeof (work_buffer) / sizeof (CHAR_T)]; |
2084 | CHAR_T *w; |
2085 | |
2086 | outchar (L_('%')); |
2087 | |
2088 | if (info->alt) |
2089 | outchar (L_('#')); |
2090 | if (info->group) |
2091 | outchar (L_('\'')); |
2092 | if (info->showsign) |
2093 | outchar (L_('+')); |
2094 | else if (info->space) |
2095 | outchar (L_(' ')); |
2096 | if (info->left) |
2097 | outchar (L_('-')); |
2098 | if (info->pad == L_('0')) |
2099 | outchar (L_('0')); |
2100 | if (info->i18n) |
2101 | outchar (L_('I')); |
2102 | |
2103 | if (info->width != 0) |
2104 | { |
2105 | w = _itoa_word (info->width, workend, 10, 0); |
2106 | while (w < workend) |
2107 | outchar (*w++); |
2108 | } |
2109 | |
2110 | if (info->prec != -1) |
2111 | { |
2112 | outchar (L_('.')); |
2113 | w = _itoa_word (info->prec, workend, 10, 0); |
2114 | while (w < workend) |
2115 | outchar (*w++); |
2116 | } |
2117 | |
2118 | if (info->spec != L_('\0')) |
2119 | outchar (info->spec); |
2120 | |
2121 | all_done: |
2122 | return done; |
2123 | } |
2124 | |
2125 | /* Group the digits according to the grouping rules of the current locale. |
2126 | The interpretation of GROUPING is as in `struct lconv' from <locale.h>. */ |
2127 | static CHAR_T * |
2128 | internal_function |
2129 | group_number (CHAR_T *w, CHAR_T *rear_ptr, const char *grouping, |
2130 | THOUSANDS_SEP_T thousands_sep) |
2131 | { |
2132 | int len; |
2133 | CHAR_T *src, *s; |
2134 | #ifndef COMPILE_WPRINTF |
2135 | int tlen = strlen (thousands_sep); |
2136 | #endif |
2137 | |
2138 | /* We treat all negative values like CHAR_MAX. */ |
2139 | |
2140 | if (*grouping == CHAR_MAX || *grouping <= 0) |
2141 | /* No grouping should be done. */ |
2142 | return w; |
2143 | |
2144 | len = *grouping++; |
2145 | |
2146 | /* Copy existing string so that nothing gets overwritten. */ |
2147 | src = (CHAR_T *) alloca ((rear_ptr - w) * sizeof (CHAR_T)); |
2148 | s = (CHAR_T *) __mempcpy (src, w, |
2149 | (rear_ptr - w) * sizeof (CHAR_T)); |
2150 | w = rear_ptr; |
2151 | |
2152 | /* Process all characters in the string. */ |
2153 | while (s > src) |
2154 | { |
2155 | *--w = *--s; |
2156 | |
2157 | if (--len == 0 && s > src) |
2158 | { |
2159 | /* A new group begins. */ |
2160 | #ifdef COMPILE_WPRINTF |
2161 | *--w = thousands_sep; |
2162 | #else |
2163 | int cnt = tlen; |
2164 | do |
2165 | *--w = thousands_sep[--cnt]; |
2166 | while (cnt > 0); |
2167 | #endif |
2168 | |
2169 | if (*grouping == CHAR_MAX |
2170 | #if CHAR_MIN < 0 |
2171 | || *grouping < 0 |
2172 | #endif |
2173 | ) |
2174 | { |
2175 | /* No further grouping to be done. |
2176 | Copy the rest of the number. */ |
2177 | do |
2178 | *--w = *--s; |
2179 | while (s > src); |
2180 | break; |
2181 | } |
2182 | else if (*grouping != '\0') |
2183 | /* The previous grouping repeats ad infinitum. */ |
2184 | len = *grouping++; |
2185 | else |
2186 | len = grouping[-1]; |
2187 | } |
2188 | } |
2189 | return w; |
2190 | } |
2191 | |
2192 | /* Helper "class" for `fprintf to unbuffered': creates a temporary buffer. */ |
2193 | struct helper_file |
2194 | { |
2195 | struct _IO_FILE_plus _f; |
2196 | #ifdef COMPILE_WPRINTF |
2197 | struct _IO_wide_data _wide_data; |
2198 | #endif |
2199 | _IO_FILE *_put_stream; |
2200 | #ifdef _IO_MTSAFE_IO |
2201 | _IO_lock_t lock; |
2202 | #endif |
2203 | }; |
2204 | |
2205 | static int |
2206 | _IO_helper_overflow (_IO_FILE *s, int c) |
2207 | { |
2208 | _IO_FILE *target = ((struct helper_file*) s)->_put_stream; |
2209 | #ifdef COMPILE_WPRINTF |
2210 | int used = s->_wide_data->_IO_write_ptr - s->_wide_data->_IO_write_base; |
2211 | if (used) |
2212 | { |
2213 | _IO_size_t written = _IO_sputn (target, s->_wide_data->_IO_write_base, |
2214 | used); |
2215 | if (written == 0 || written == WEOF) |
2216 | return WEOF; |
2217 | __wmemmove (s->_wide_data->_IO_write_base, |
2218 | s->_wide_data->_IO_write_base + written, |
2219 | used - written); |
2220 | s->_wide_data->_IO_write_ptr -= written; |
2221 | } |
2222 | #else |
2223 | int used = s->_IO_write_ptr - s->_IO_write_base; |
2224 | if (used) |
2225 | { |
2226 | _IO_size_t written = _IO_sputn (target, s->_IO_write_base, used); |
2227 | if (written == 0 || written == EOF) |
2228 | return EOF; |
2229 | memmove (s->_IO_write_base, s->_IO_write_base + written, |
2230 | used - written); |
2231 | s->_IO_write_ptr -= written; |
2232 | } |
2233 | #endif |
2234 | return PUTC (c, s); |
2235 | } |
2236 | |
2237 | #ifdef COMPILE_WPRINTF |
2238 | static const struct _IO_jump_t _IO_helper_jumps = |
2239 | { |
2240 | JUMP_INIT_DUMMY, |
2241 | JUMP_INIT (finish, _IO_wdefault_finish), |
2242 | JUMP_INIT (overflow, _IO_helper_overflow), |
2243 | JUMP_INIT (underflow, _IO_default_underflow), |
2244 | JUMP_INIT (uflow, _IO_default_uflow), |
2245 | JUMP_INIT (pbackfail, (_IO_pbackfail_t) _IO_wdefault_pbackfail), |
2246 | JUMP_INIT (xsputn, _IO_wdefault_xsputn), |
2247 | JUMP_INIT (xsgetn, _IO_wdefault_xsgetn), |
2248 | JUMP_INIT (seekoff, _IO_default_seekoff), |
2249 | JUMP_INIT (seekpos, _IO_default_seekpos), |
2250 | JUMP_INIT (setbuf, _IO_default_setbuf), |
2251 | JUMP_INIT (sync, _IO_default_sync), |
2252 | JUMP_INIT (doallocate, _IO_wdefault_doallocate), |
2253 | JUMP_INIT (read, _IO_default_read), |
2254 | JUMP_INIT (write, _IO_default_write), |
2255 | JUMP_INIT (seek, _IO_default_seek), |
2256 | JUMP_INIT (close, _IO_default_close), |
2257 | JUMP_INIT (stat, _IO_default_stat) |
2258 | }; |
2259 | #else |
2260 | static const struct _IO_jump_t _IO_helper_jumps = |
2261 | { |
2262 | JUMP_INIT_DUMMY, |
2263 | JUMP_INIT (finish, _IO_default_finish), |
2264 | JUMP_INIT (overflow, _IO_helper_overflow), |
2265 | JUMP_INIT (underflow, _IO_default_underflow), |
2266 | JUMP_INIT (uflow, _IO_default_uflow), |
2267 | JUMP_INIT (pbackfail, _IO_default_pbackfail), |
2268 | JUMP_INIT (xsputn, _IO_default_xsputn), |
2269 | JUMP_INIT (xsgetn, _IO_default_xsgetn), |
2270 | JUMP_INIT (seekoff, _IO_default_seekoff), |
2271 | JUMP_INIT (seekpos, _IO_default_seekpos), |
2272 | JUMP_INIT (setbuf, _IO_default_setbuf), |
2273 | JUMP_INIT (sync, _IO_default_sync), |
2274 | JUMP_INIT (doallocate, _IO_default_doallocate), |
2275 | JUMP_INIT (read, _IO_default_read), |
2276 | JUMP_INIT (write, _IO_default_write), |
2277 | JUMP_INIT (seek, _IO_default_seek), |
2278 | JUMP_INIT (close, _IO_default_close), |
2279 | JUMP_INIT (stat, _IO_default_stat) |
2280 | }; |
2281 | #endif |
2282 | |
2283 | static int |
2284 | internal_function |
2285 | buffered_vfprintf (_IO_FILE *s, const CHAR_T *format, |
2286 | _IO_va_list args) |
2287 | { |
2288 | CHAR_T buf[_IO_BUFSIZ]; |
2289 | struct helper_file helper; |
2290 | _IO_FILE *hp = (_IO_FILE *) &helper._f; |
2291 | int result, to_flush; |
2292 | |
2293 | /* Orient the stream. */ |
2294 | #ifdef ORIENT |
2295 | ORIENT; |
2296 | #endif |
2297 | |
2298 | /* Initialize helper. */ |
2299 | helper._put_stream = s; |
2300 | #ifdef COMPILE_WPRINTF |
2301 | hp->_wide_data = &helper._wide_data; |
2302 | _IO_wsetp (hp, buf, buf + sizeof buf / sizeof (CHAR_T)); |
2303 | hp->_mode = 1; |
2304 | #else |
2305 | _IO_setp (hp, buf, buf + sizeof buf); |
2306 | hp->_mode = -1; |
2307 | #endif |
2308 | hp->_IO_file_flags = _IO_MAGIC|_IO_NO_READS|_IO_USER_LOCK; |
2309 | #if _IO_JUMPS_OFFSET |
2310 | hp->_vtable_offset = 0; |
2311 | #endif |
2312 | #ifdef _IO_MTSAFE_IO |
2313 | hp->_lock = NULL; |
2314 | #endif |
2315 | hp->_flags2 = s->_flags2; |
2316 | _IO_JUMPS (&helper._f) = (struct _IO_jump_t *) &_IO_helper_jumps; |
2317 | |
2318 | /* Now print to helper instead. */ |
2319 | #ifndef COMPILE_WPRINTF |
2320 | result = _IO_vfprintf (hp, format, args); |
2321 | #else |
2322 | result = vfprintf (hp, format, args); |
2323 | #endif |
2324 | |
2325 | /* Lock stream. */ |
2326 | __libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile, s); |
2327 | _IO_flockfile (s); |
2328 | |
2329 | /* Now flush anything from the helper to the S. */ |
2330 | #ifdef COMPILE_WPRINTF |
2331 | if ((to_flush = (hp->_wide_data->_IO_write_ptr |
2332 | - hp->_wide_data->_IO_write_base)) > 0) |
2333 | { |
2334 | if ((int) _IO_sputn (s, hp->_wide_data->_IO_write_base, to_flush) |
2335 | != to_flush) |
2336 | result = -1; |
2337 | } |
2338 | #else |
2339 | if ((to_flush = hp->_IO_write_ptr - hp->_IO_write_base) > 0) |
2340 | { |
2341 | if ((int) _IO_sputn (s, hp->_IO_write_base, to_flush) != to_flush) |
2342 | result = -1; |
2343 | } |
2344 | #endif |
2345 | |
2346 | /* Unlock the stream. */ |
2347 | _IO_funlockfile (s); |
2348 | __libc_cleanup_region_end (0); |
2349 | |
2350 | return result; |
2351 | } |
2352 | |
2353 | #undef vfprintf |
2354 | #ifdef COMPILE_WPRINTF |
2355 | strong_alias (_IO_vfwprintf, __vfwprintf); |
2356 | ldbl_weak_alias (_IO_vfwprintf, vfwprintf); |
2357 | #else |
2358 | ldbl_strong_alias (_IO_vfprintf_internal, vfprintf); |
2359 | ldbl_hidden_def (_IO_vfprintf_internal, vfprintf) |
2360 | ldbl_strong_alias (_IO_vfprintf_internal, _IO_vfprintf); |
2361 | ldbl_hidden_def (_IO_vfprintf_internal, _IO_vfprintf) |
2362 | #endif |
2363 | |