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80a648c1 LZ |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: utprint - Formatted printing routines | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
c8100dc4 | 8 | * Copyright (C) 2000 - 2016, Intel Corp. |
80a648c1 LZ |
9 | * All rights reserved. |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
44 | #include <acpi/acpi.h> | |
45 | #include "accommon.h" | |
46 | ||
47 | #define _COMPONENT ACPI_UTILITIES | |
48 | ACPI_MODULE_NAME("utprint") | |
49 | ||
50 | #define ACPI_FORMAT_SIGN 0x01 | |
51 | #define ACPI_FORMAT_SIGN_PLUS 0x02 | |
52 | #define ACPI_FORMAT_SIGN_PLUS_SPACE 0x04 | |
53 | #define ACPI_FORMAT_ZERO 0x08 | |
54 | #define ACPI_FORMAT_LEFT 0x10 | |
55 | #define ACPI_FORMAT_UPPER 0x20 | |
56 | #define ACPI_FORMAT_PREFIX 0x40 | |
57 | /* Local prototypes */ | |
58 | static acpi_size | |
59 | acpi_ut_bound_string_length(const char *string, acpi_size count); | |
60 | ||
61 | static char *acpi_ut_bound_string_output(char *string, const char *end, char c); | |
62 | ||
63 | static char *acpi_ut_format_number(char *string, | |
64 | char *end, | |
65 | u64 number, | |
66 | u8 base, s32 width, s32 precision, u8 type); | |
67 | ||
68 | static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper); | |
69 | ||
70 | /******************************************************************************* | |
71 | * | |
72 | * FUNCTION: acpi_ut_bound_string_length | |
73 | * | |
74 | * PARAMETERS: string - String with boundary | |
75 | * count - Boundary of the string | |
76 | * | |
ff2389fe | 77 | * RETURN: Length of the string. Less than or equal to Count. |
80a648c1 LZ |
78 | * |
79 | * DESCRIPTION: Calculate the length of a string with boundary. | |
80 | * | |
81 | ******************************************************************************/ | |
82 | ||
83 | static acpi_size | |
84 | acpi_ut_bound_string_length(const char *string, acpi_size count) | |
85 | { | |
86 | u32 length = 0; | |
87 | ||
88 | while (*string && count) { | |
89 | length++; | |
90 | string++; | |
91 | count--; | |
92 | } | |
93 | ||
94 | return (length); | |
95 | } | |
96 | ||
97 | /******************************************************************************* | |
98 | * | |
99 | * FUNCTION: acpi_ut_bound_string_output | |
100 | * | |
101 | * PARAMETERS: string - String with boundary | |
102 | * end - Boundary of the string | |
103 | * c - Character to be output to the string | |
104 | * | |
105 | * RETURN: Updated position for next valid character | |
106 | * | |
107 | * DESCRIPTION: Output a character into a string with boundary check. | |
108 | * | |
109 | ******************************************************************************/ | |
110 | ||
111 | static char *acpi_ut_bound_string_output(char *string, const char *end, char c) | |
112 | { | |
113 | ||
114 | if (string < end) { | |
115 | *string = c; | |
116 | } | |
80a648c1 | 117 | |
ff2389fe | 118 | ++string; |
80a648c1 LZ |
119 | return (string); |
120 | } | |
121 | ||
122 | /******************************************************************************* | |
123 | * | |
124 | * FUNCTION: acpi_ut_put_number | |
125 | * | |
126 | * PARAMETERS: string - Buffer to hold reverse-ordered string | |
127 | * number - Integer to be converted | |
128 | * base - Base of the integer | |
129 | * upper - Whether or not using upper cased digits | |
130 | * | |
131 | * RETURN: Updated position for next valid character | |
132 | * | |
133 | * DESCRIPTION: Convert an integer into a string, note that, the string holds a | |
134 | * reversed ordered number without the trailing zero. | |
135 | * | |
136 | ******************************************************************************/ | |
137 | ||
138 | static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper) | |
139 | { | |
80a648c1 LZ |
140 | const char *digits; |
141 | u64 digit_index; | |
142 | char *pos; | |
143 | ||
144 | pos = string; | |
ff2389fe | 145 | digits = upper ? acpi_gbl_upper_hex_digits : acpi_gbl_lower_hex_digits; |
80a648c1 LZ |
146 | |
147 | if (number == 0) { | |
148 | *(pos++) = '0'; | |
149 | } else { | |
150 | while (number) { | |
151 | (void)acpi_ut_divide(number, base, &number, | |
152 | &digit_index); | |
153 | *(pos++) = digits[digit_index]; | |
154 | } | |
155 | } | |
80a648c1 | 156 | |
ff2389fe | 157 | /* *(Pos++) = '0'; */ |
80a648c1 LZ |
158 | return (pos); |
159 | } | |
160 | ||
161 | /******************************************************************************* | |
162 | * | |
163 | * FUNCTION: acpi_ut_scan_number | |
164 | * | |
165 | * PARAMETERS: string - String buffer | |
166 | * number_ptr - Where the number is returned | |
167 | * | |
168 | * RETURN: Updated position for next valid character | |
169 | * | |
170 | * DESCRIPTION: Scan a string for a decimal integer. | |
171 | * | |
172 | ******************************************************************************/ | |
173 | ||
174 | const char *acpi_ut_scan_number(const char *string, u64 *number_ptr) | |
175 | { | |
176 | u64 number = 0; | |
177 | ||
4fa4616e | 178 | while (isdigit((int)*string)) { |
80a648c1 LZ |
179 | number *= 10; |
180 | number += *(string++) - '0'; | |
181 | } | |
80a648c1 | 182 | |
ff2389fe | 183 | *number_ptr = number; |
80a648c1 LZ |
184 | return (string); |
185 | } | |
186 | ||
187 | /******************************************************************************* | |
188 | * | |
189 | * FUNCTION: acpi_ut_print_number | |
190 | * | |
191 | * PARAMETERS: string - String buffer | |
192 | * number - The number to be converted | |
193 | * | |
194 | * RETURN: Updated position for next valid character | |
195 | * | |
196 | * DESCRIPTION: Print a decimal integer into a string. | |
197 | * | |
198 | ******************************************************************************/ | |
199 | ||
200 | const char *acpi_ut_print_number(char *string, u64 number) | |
201 | { | |
202 | char ascii_string[20]; | |
203 | const char *pos1; | |
204 | char *pos2; | |
205 | ||
206 | pos1 = acpi_ut_put_number(ascii_string, number, 10, FALSE); | |
207 | pos2 = string; | |
208 | ||
209 | while (pos1 != ascii_string) { | |
210 | *(pos2++) = *(--pos1); | |
211 | } | |
80a648c1 | 212 | |
ff2389fe | 213 | *pos2 = 0; |
80a648c1 LZ |
214 | return (string); |
215 | } | |
216 | ||
217 | /******************************************************************************* | |
218 | * | |
219 | * FUNCTION: acpi_ut_format_number | |
220 | * | |
221 | * PARAMETERS: string - String buffer with boundary | |
222 | * end - Boundary of the string | |
223 | * number - The number to be converted | |
224 | * base - Base of the integer | |
225 | * width - Field width | |
226 | * precision - Precision of the integer | |
227 | * type - Special printing flags | |
228 | * | |
229 | * RETURN: Updated position for next valid character | |
230 | * | |
231 | * DESCRIPTION: Print an integer into a string with any base and any precision. | |
232 | * | |
233 | ******************************************************************************/ | |
234 | ||
235 | static char *acpi_ut_format_number(char *string, | |
236 | char *end, | |
237 | u64 number, | |
238 | u8 base, s32 width, s32 precision, u8 type) | |
239 | { | |
8884de6a | 240 | char *pos; |
80a648c1 LZ |
241 | char sign; |
242 | char zero; | |
243 | u8 need_prefix; | |
244 | u8 upper; | |
245 | s32 i; | |
246 | char reversed_string[66]; | |
247 | ||
ff2389fe | 248 | /* Parameter validation */ |
80a648c1 LZ |
249 | |
250 | if (base < 2 || base > 16) { | |
ff2389fe | 251 | return (NULL); |
80a648c1 | 252 | } |
ff2389fe | 253 | |
80a648c1 LZ |
254 | if (type & ACPI_FORMAT_LEFT) { |
255 | type &= ~ACPI_FORMAT_ZERO; | |
256 | } | |
257 | ||
258 | need_prefix = ((type & ACPI_FORMAT_PREFIX) | |
259 | && base != 10) ? TRUE : FALSE; | |
260 | upper = (type & ACPI_FORMAT_UPPER) ? TRUE : FALSE; | |
261 | zero = (type & ACPI_FORMAT_ZERO) ? '0' : ' '; | |
262 | ||
263 | /* Calculate size according to sign and prefix */ | |
264 | ||
265 | sign = '\0'; | |
266 | if (type & ACPI_FORMAT_SIGN) { | |
f5c1e1c5 | 267 | if ((s64)number < 0) { |
80a648c1 | 268 | sign = '-'; |
f5c1e1c5 | 269 | number = -(s64)number; |
80a648c1 LZ |
270 | width--; |
271 | } else if (type & ACPI_FORMAT_SIGN_PLUS) { | |
272 | sign = '+'; | |
273 | width--; | |
274 | } else if (type & ACPI_FORMAT_SIGN_PLUS_SPACE) { | |
275 | sign = ' '; | |
276 | width--; | |
277 | } | |
278 | } | |
279 | if (need_prefix) { | |
280 | width--; | |
281 | if (base == 16) { | |
282 | width--; | |
283 | } | |
284 | } | |
285 | ||
286 | /* Generate full string in reverse order */ | |
287 | ||
8884de6a BM |
288 | pos = acpi_ut_put_number(reversed_string, number, base, upper); |
289 | i = ACPI_PTR_DIFF(pos, reversed_string); | |
80a648c1 LZ |
290 | |
291 | /* Printing 100 using %2d gives "100", not "00" */ | |
292 | ||
293 | if (i > precision) { | |
294 | precision = i; | |
295 | } | |
ff2389fe | 296 | |
80a648c1 LZ |
297 | width -= precision; |
298 | ||
299 | /* Output the string */ | |
300 | ||
301 | if (!(type & (ACPI_FORMAT_ZERO | ACPI_FORMAT_LEFT))) { | |
302 | while (--width >= 0) { | |
303 | string = acpi_ut_bound_string_output(string, end, ' '); | |
304 | } | |
305 | } | |
306 | if (sign) { | |
307 | string = acpi_ut_bound_string_output(string, end, sign); | |
308 | } | |
309 | if (need_prefix) { | |
310 | string = acpi_ut_bound_string_output(string, end, '0'); | |
311 | if (base == 16) { | |
1fad8738 BM |
312 | string = |
313 | acpi_ut_bound_string_output(string, end, | |
314 | upper ? 'X' : 'x'); | |
80a648c1 LZ |
315 | } |
316 | } | |
317 | if (!(type & ACPI_FORMAT_LEFT)) { | |
318 | while (--width >= 0) { | |
319 | string = acpi_ut_bound_string_output(string, end, zero); | |
320 | } | |
321 | } | |
ff2389fe | 322 | |
80a648c1 LZ |
323 | while (i <= --precision) { |
324 | string = acpi_ut_bound_string_output(string, end, '0'); | |
325 | } | |
326 | while (--i >= 0) { | |
327 | string = acpi_ut_bound_string_output(string, end, | |
328 | reversed_string[i]); | |
329 | } | |
330 | while (--width >= 0) { | |
331 | string = acpi_ut_bound_string_output(string, end, ' '); | |
332 | } | |
333 | ||
334 | return (string); | |
335 | } | |
336 | ||
337 | /******************************************************************************* | |
338 | * | |
339 | * FUNCTION: acpi_ut_vsnprintf | |
340 | * | |
341 | * PARAMETERS: string - String with boundary | |
342 | * size - Boundary of the string | |
343 | * format - Standard printf format | |
344 | * args - Argument list | |
345 | * | |
ff2389fe | 346 | * RETURN: Number of bytes actually written. |
80a648c1 LZ |
347 | * |
348 | * DESCRIPTION: Formatted output to a string using argument list pointer. | |
349 | * | |
350 | ******************************************************************************/ | |
351 | ||
352 | int | |
353 | acpi_ut_vsnprintf(char *string, | |
354 | acpi_size size, const char *format, va_list args) | |
355 | { | |
cef9aaa7 LZ |
356 | u8 base; |
357 | u8 type; | |
358 | s32 width; | |
359 | s32 precision; | |
360 | char qualifier; | |
80a648c1 LZ |
361 | u64 number; |
362 | char *pos; | |
363 | char *end; | |
364 | char c; | |
365 | const char *s; | |
366 | const void *p; | |
367 | s32 length; | |
368 | int i; | |
369 | ||
370 | pos = string; | |
371 | end = string + size; | |
372 | ||
373 | for (; *format; ++format) { | |
374 | if (*format != '%') { | |
375 | pos = acpi_ut_bound_string_output(pos, end, *format); | |
376 | continue; | |
377 | } | |
378 | ||
cef9aaa7 LZ |
379 | type = 0; |
380 | base = 10; | |
381 | ||
80a648c1 LZ |
382 | /* Process sign */ |
383 | ||
384 | do { | |
385 | ++format; | |
386 | if (*format == '#') { | |
387 | type |= ACPI_FORMAT_PREFIX; | |
388 | } else if (*format == '0') { | |
389 | type |= ACPI_FORMAT_ZERO; | |
390 | } else if (*format == '+') { | |
391 | type |= ACPI_FORMAT_SIGN_PLUS; | |
392 | } else if (*format == ' ') { | |
393 | type |= ACPI_FORMAT_SIGN_PLUS_SPACE; | |
394 | } else if (*format == '-') { | |
395 | type |= ACPI_FORMAT_LEFT; | |
396 | } else { | |
397 | break; | |
398 | } | |
1fad8738 | 399 | |
80a648c1 LZ |
400 | } while (1); |
401 | ||
402 | /* Process width */ | |
403 | ||
3589b8b8 | 404 | width = -1; |
4fa4616e | 405 | if (isdigit((int)*format)) { |
80a648c1 | 406 | format = acpi_ut_scan_number(format, &number); |
f5c1e1c5 | 407 | width = (s32)number; |
80a648c1 LZ |
408 | } else if (*format == '*') { |
409 | ++format; | |
410 | width = va_arg(args, int); | |
411 | if (width < 0) { | |
412 | width = -width; | |
413 | type |= ACPI_FORMAT_LEFT; | |
414 | } | |
415 | } | |
416 | ||
417 | /* Process precision */ | |
418 | ||
3589b8b8 | 419 | precision = -1; |
80a648c1 LZ |
420 | if (*format == '.') { |
421 | ++format; | |
4fa4616e | 422 | if (isdigit((int)*format)) { |
80a648c1 | 423 | format = acpi_ut_scan_number(format, &number); |
f5c1e1c5 | 424 | precision = (s32)number; |
80a648c1 LZ |
425 | } else if (*format == '*') { |
426 | ++format; | |
427 | precision = va_arg(args, int); | |
428 | } | |
1fad8738 | 429 | |
80a648c1 LZ |
430 | if (precision < 0) { |
431 | precision = 0; | |
432 | } | |
433 | } | |
434 | ||
435 | /* Process qualifier */ | |
436 | ||
3589b8b8 | 437 | qualifier = -1; |
80a648c1 LZ |
438 | if (*format == 'h' || *format == 'l' || *format == 'L') { |
439 | qualifier = *format; | |
440 | ++format; | |
ff2389fe | 441 | |
80a648c1 LZ |
442 | if (qualifier == 'l' && *format == 'l') { |
443 | qualifier = 'L'; | |
444 | ++format; | |
445 | } | |
446 | } | |
447 | ||
448 | switch (*format) { | |
449 | case '%': | |
450 | ||
451 | pos = acpi_ut_bound_string_output(pos, end, '%'); | |
452 | continue; | |
453 | ||
454 | case 'c': | |
455 | ||
456 | if (!(type & ACPI_FORMAT_LEFT)) { | |
457 | while (--width > 0) { | |
458 | pos = | |
459 | acpi_ut_bound_string_output(pos, | |
460 | end, | |
461 | ' '); | |
462 | } | |
463 | } | |
ff2389fe | 464 | |
80a648c1 LZ |
465 | c = (char)va_arg(args, int); |
466 | pos = acpi_ut_bound_string_output(pos, end, c); | |
ff2389fe | 467 | |
80a648c1 LZ |
468 | while (--width > 0) { |
469 | pos = | |
470 | acpi_ut_bound_string_output(pos, end, ' '); | |
471 | } | |
472 | continue; | |
473 | ||
474 | case 's': | |
475 | ||
476 | s = va_arg(args, char *); | |
477 | if (!s) { | |
478 | s = "<NULL>"; | |
479 | } | |
480 | length = acpi_ut_bound_string_length(s, precision); | |
481 | if (!(type & ACPI_FORMAT_LEFT)) { | |
482 | while (length < width--) { | |
483 | pos = | |
484 | acpi_ut_bound_string_output(pos, | |
485 | end, | |
486 | ' '); | |
487 | } | |
488 | } | |
1fad8738 | 489 | |
80a648c1 LZ |
490 | for (i = 0; i < length; ++i) { |
491 | pos = acpi_ut_bound_string_output(pos, end, *s); | |
492 | ++s; | |
493 | } | |
1fad8738 | 494 | |
80a648c1 LZ |
495 | while (length < width--) { |
496 | pos = | |
497 | acpi_ut_bound_string_output(pos, end, ' '); | |
498 | } | |
499 | continue; | |
500 | ||
501 | case 'o': | |
502 | ||
503 | base = 8; | |
504 | break; | |
505 | ||
506 | case 'X': | |
507 | ||
508 | type |= ACPI_FORMAT_UPPER; | |
509 | ||
510 | case 'x': | |
511 | ||
512 | base = 16; | |
513 | break; | |
514 | ||
515 | case 'd': | |
516 | case 'i': | |
517 | ||
518 | type |= ACPI_FORMAT_SIGN; | |
519 | ||
520 | case 'u': | |
521 | ||
522 | break; | |
523 | ||
524 | case 'p': | |
525 | ||
526 | if (width == -1) { | |
527 | width = 2 * sizeof(void *); | |
528 | type |= ACPI_FORMAT_ZERO; | |
529 | } | |
ff2389fe | 530 | |
80a648c1 | 531 | p = va_arg(args, void *); |
1fad8738 BM |
532 | pos = |
533 | acpi_ut_format_number(pos, end, ACPI_TO_INTEGER(p), | |
534 | 16, width, precision, type); | |
80a648c1 LZ |
535 | continue; |
536 | ||
537 | default: | |
538 | ||
539 | pos = acpi_ut_bound_string_output(pos, end, '%'); | |
540 | if (*format) { | |
541 | pos = | |
542 | acpi_ut_bound_string_output(pos, end, | |
543 | *format); | |
544 | } else { | |
545 | --format; | |
546 | } | |
547 | continue; | |
548 | } | |
549 | ||
550 | if (qualifier == 'L') { | |
551 | number = va_arg(args, u64); | |
552 | if (type & ACPI_FORMAT_SIGN) { | |
f5c1e1c5 | 553 | number = (s64)number; |
80a648c1 LZ |
554 | } |
555 | } else if (qualifier == 'l') { | |
556 | number = va_arg(args, unsigned long); | |
557 | if (type & ACPI_FORMAT_SIGN) { | |
f5c1e1c5 | 558 | number = (s32)number; |
80a648c1 LZ |
559 | } |
560 | } else if (qualifier == 'h') { | |
561 | number = (u16)va_arg(args, int); | |
562 | if (type & ACPI_FORMAT_SIGN) { | |
f5c1e1c5 | 563 | number = (s16)number; |
80a648c1 LZ |
564 | } |
565 | } else { | |
566 | number = va_arg(args, unsigned int); | |
567 | if (type & ACPI_FORMAT_SIGN) { | |
568 | number = (signed int)number; | |
569 | } | |
570 | } | |
ff2389fe | 571 | |
80a648c1 LZ |
572 | pos = acpi_ut_format_number(pos, end, number, base, |
573 | width, precision, type); | |
574 | } | |
575 | ||
576 | if (size > 0) { | |
577 | if (pos < end) { | |
578 | *pos = '\0'; | |
579 | } else { | |
580 | end[-1] = '\0'; | |
581 | } | |
582 | } | |
583 | ||
584 | return (ACPI_PTR_DIFF(pos, string)); | |
585 | } | |
586 | ||
587 | /******************************************************************************* | |
588 | * | |
589 | * FUNCTION: acpi_ut_snprintf | |
590 | * | |
591 | * PARAMETERS: string - String with boundary | |
592 | * size - Boundary of the string | |
593 | * Format, ... - Standard printf format | |
594 | * | |
ff2389fe | 595 | * RETURN: Number of bytes actually written. |
80a648c1 LZ |
596 | * |
597 | * DESCRIPTION: Formatted output to a string. | |
598 | * | |
599 | ******************************************************************************/ | |
600 | ||
601 | int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...) | |
602 | { | |
603 | va_list args; | |
604 | int length; | |
605 | ||
606 | va_start(args, format); | |
607 | length = acpi_ut_vsnprintf(string, size, format, args); | |
608 | va_end(args); | |
609 | ||
610 | return (length); | |
611 | } | |
612 | ||
613 | #ifdef ACPI_APPLICATION | |
614 | /******************************************************************************* | |
615 | * | |
616 | * FUNCTION: acpi_ut_file_vprintf | |
617 | * | |
618 | * PARAMETERS: file - File descriptor | |
619 | * format - Standard printf format | |
620 | * args - Argument list | |
621 | * | |
ff2389fe | 622 | * RETURN: Number of bytes actually written. |
80a648c1 LZ |
623 | * |
624 | * DESCRIPTION: Formatted output to a file using argument list pointer. | |
625 | * | |
626 | ******************************************************************************/ | |
627 | ||
628 | int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args) | |
629 | { | |
630 | acpi_cpu_flags flags; | |
631 | int length; | |
632 | ||
633 | flags = acpi_os_acquire_lock(acpi_gbl_print_lock); | |
634 | length = acpi_ut_vsnprintf(acpi_gbl_print_buffer, | |
635 | sizeof(acpi_gbl_print_buffer), format, args); | |
ff2389fe | 636 | |
80a648c1 LZ |
637 | (void)acpi_os_write_file(file, acpi_gbl_print_buffer, length, 1); |
638 | acpi_os_release_lock(acpi_gbl_print_lock, flags); | |
639 | ||
640 | return (length); | |
641 | } | |
642 | ||
643 | /******************************************************************************* | |
644 | * | |
645 | * FUNCTION: acpi_ut_file_printf | |
646 | * | |
647 | * PARAMETERS: file - File descriptor | |
648 | * Format, ... - Standard printf format | |
649 | * | |
ff2389fe | 650 | * RETURN: Number of bytes actually written. |
80a648c1 LZ |
651 | * |
652 | * DESCRIPTION: Formatted output to a file. | |
653 | * | |
654 | ******************************************************************************/ | |
655 | ||
656 | int acpi_ut_file_printf(ACPI_FILE file, const char *format, ...) | |
657 | { | |
658 | va_list args; | |
659 | int length; | |
660 | ||
661 | va_start(args, format); | |
662 | length = acpi_ut_file_vprintf(file, format, args); | |
663 | va_end(args); | |
664 | ||
665 | return (length); | |
666 | } | |
667 | #endif |