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80a648c1 LZ |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: utprint - Formatted printing routines | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
82a80941 | 8 | * Copyright (C) 2000 - 2015, 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 | ||
ff2389fe BM |
70 | /* Module globals */ |
71 | ||
72 | static const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef"; | |
73 | static const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF"; | |
74 | ||
80a648c1 LZ |
75 | /******************************************************************************* |
76 | * | |
77 | * FUNCTION: acpi_ut_bound_string_length | |
78 | * | |
79 | * PARAMETERS: string - String with boundary | |
80 | * count - Boundary of the string | |
81 | * | |
ff2389fe | 82 | * RETURN: Length of the string. Less than or equal to Count. |
80a648c1 LZ |
83 | * |
84 | * DESCRIPTION: Calculate the length of a string with boundary. | |
85 | * | |
86 | ******************************************************************************/ | |
87 | ||
88 | static acpi_size | |
89 | acpi_ut_bound_string_length(const char *string, acpi_size count) | |
90 | { | |
91 | u32 length = 0; | |
92 | ||
93 | while (*string && count) { | |
94 | length++; | |
95 | string++; | |
96 | count--; | |
97 | } | |
98 | ||
99 | return (length); | |
100 | } | |
101 | ||
102 | /******************************************************************************* | |
103 | * | |
104 | * FUNCTION: acpi_ut_bound_string_output | |
105 | * | |
106 | * PARAMETERS: string - String with boundary | |
107 | * end - Boundary of the string | |
108 | * c - Character to be output to the string | |
109 | * | |
110 | * RETURN: Updated position for next valid character | |
111 | * | |
112 | * DESCRIPTION: Output a character into a string with boundary check. | |
113 | * | |
114 | ******************************************************************************/ | |
115 | ||
116 | static char *acpi_ut_bound_string_output(char *string, const char *end, char c) | |
117 | { | |
118 | ||
119 | if (string < end) { | |
120 | *string = c; | |
121 | } | |
80a648c1 | 122 | |
ff2389fe | 123 | ++string; |
80a648c1 LZ |
124 | return (string); |
125 | } | |
126 | ||
127 | /******************************************************************************* | |
128 | * | |
129 | * FUNCTION: acpi_ut_put_number | |
130 | * | |
131 | * PARAMETERS: string - Buffer to hold reverse-ordered string | |
132 | * number - Integer to be converted | |
133 | * base - Base of the integer | |
134 | * upper - Whether or not using upper cased digits | |
135 | * | |
136 | * RETURN: Updated position for next valid character | |
137 | * | |
138 | * DESCRIPTION: Convert an integer into a string, note that, the string holds a | |
139 | * reversed ordered number without the trailing zero. | |
140 | * | |
141 | ******************************************************************************/ | |
142 | ||
143 | static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper) | |
144 | { | |
80a648c1 LZ |
145 | const char *digits; |
146 | u64 digit_index; | |
147 | char *pos; | |
148 | ||
149 | pos = string; | |
ff2389fe | 150 | digits = upper ? acpi_gbl_upper_hex_digits : acpi_gbl_lower_hex_digits; |
80a648c1 LZ |
151 | |
152 | if (number == 0) { | |
153 | *(pos++) = '0'; | |
154 | } else { | |
155 | while (number) { | |
156 | (void)acpi_ut_divide(number, base, &number, | |
157 | &digit_index); | |
158 | *(pos++) = digits[digit_index]; | |
159 | } | |
160 | } | |
80a648c1 | 161 | |
ff2389fe | 162 | /* *(Pos++) = '0'; */ |
80a648c1 LZ |
163 | return (pos); |
164 | } | |
165 | ||
166 | /******************************************************************************* | |
167 | * | |
168 | * FUNCTION: acpi_ut_scan_number | |
169 | * | |
170 | * PARAMETERS: string - String buffer | |
171 | * number_ptr - Where the number is returned | |
172 | * | |
173 | * RETURN: Updated position for next valid character | |
174 | * | |
175 | * DESCRIPTION: Scan a string for a decimal integer. | |
176 | * | |
177 | ******************************************************************************/ | |
178 | ||
179 | const char *acpi_ut_scan_number(const char *string, u64 *number_ptr) | |
180 | { | |
181 | u64 number = 0; | |
182 | ||
4fa4616e | 183 | while (isdigit((int)*string)) { |
80a648c1 LZ |
184 | number *= 10; |
185 | number += *(string++) - '0'; | |
186 | } | |
80a648c1 | 187 | |
ff2389fe | 188 | *number_ptr = number; |
80a648c1 LZ |
189 | return (string); |
190 | } | |
191 | ||
192 | /******************************************************************************* | |
193 | * | |
194 | * FUNCTION: acpi_ut_print_number | |
195 | * | |
196 | * PARAMETERS: string - String buffer | |
197 | * number - The number to be converted | |
198 | * | |
199 | * RETURN: Updated position for next valid character | |
200 | * | |
201 | * DESCRIPTION: Print a decimal integer into a string. | |
202 | * | |
203 | ******************************************************************************/ | |
204 | ||
205 | const char *acpi_ut_print_number(char *string, u64 number) | |
206 | { | |
207 | char ascii_string[20]; | |
208 | const char *pos1; | |
209 | char *pos2; | |
210 | ||
211 | pos1 = acpi_ut_put_number(ascii_string, number, 10, FALSE); | |
212 | pos2 = string; | |
213 | ||
214 | while (pos1 != ascii_string) { | |
215 | *(pos2++) = *(--pos1); | |
216 | } | |
80a648c1 | 217 | |
ff2389fe | 218 | *pos2 = 0; |
80a648c1 LZ |
219 | return (string); |
220 | } | |
221 | ||
222 | /******************************************************************************* | |
223 | * | |
224 | * FUNCTION: acpi_ut_format_number | |
225 | * | |
226 | * PARAMETERS: string - String buffer with boundary | |
227 | * end - Boundary of the string | |
228 | * number - The number to be converted | |
229 | * base - Base of the integer | |
230 | * width - Field width | |
231 | * precision - Precision of the integer | |
232 | * type - Special printing flags | |
233 | * | |
234 | * RETURN: Updated position for next valid character | |
235 | * | |
236 | * DESCRIPTION: Print an integer into a string with any base and any precision. | |
237 | * | |
238 | ******************************************************************************/ | |
239 | ||
240 | static char *acpi_ut_format_number(char *string, | |
241 | char *end, | |
242 | u64 number, | |
243 | u8 base, s32 width, s32 precision, u8 type) | |
244 | { | |
8884de6a | 245 | char *pos; |
80a648c1 LZ |
246 | char sign; |
247 | char zero; | |
248 | u8 need_prefix; | |
249 | u8 upper; | |
250 | s32 i; | |
251 | char reversed_string[66]; | |
252 | ||
ff2389fe | 253 | /* Parameter validation */ |
80a648c1 LZ |
254 | |
255 | if (base < 2 || base > 16) { | |
ff2389fe | 256 | return (NULL); |
80a648c1 | 257 | } |
ff2389fe | 258 | |
80a648c1 LZ |
259 | if (type & ACPI_FORMAT_LEFT) { |
260 | type &= ~ACPI_FORMAT_ZERO; | |
261 | } | |
262 | ||
263 | need_prefix = ((type & ACPI_FORMAT_PREFIX) | |
264 | && base != 10) ? TRUE : FALSE; | |
265 | upper = (type & ACPI_FORMAT_UPPER) ? TRUE : FALSE; | |
266 | zero = (type & ACPI_FORMAT_ZERO) ? '0' : ' '; | |
267 | ||
268 | /* Calculate size according to sign and prefix */ | |
269 | ||
270 | sign = '\0'; | |
271 | if (type & ACPI_FORMAT_SIGN) { | |
272 | if ((s64) number < 0) { | |
273 | sign = '-'; | |
274 | number = -(s64) number; | |
275 | width--; | |
276 | } else if (type & ACPI_FORMAT_SIGN_PLUS) { | |
277 | sign = '+'; | |
278 | width--; | |
279 | } else if (type & ACPI_FORMAT_SIGN_PLUS_SPACE) { | |
280 | sign = ' '; | |
281 | width--; | |
282 | } | |
283 | } | |
284 | if (need_prefix) { | |
285 | width--; | |
286 | if (base == 16) { | |
287 | width--; | |
288 | } | |
289 | } | |
290 | ||
291 | /* Generate full string in reverse order */ | |
292 | ||
8884de6a BM |
293 | pos = acpi_ut_put_number(reversed_string, number, base, upper); |
294 | i = ACPI_PTR_DIFF(pos, reversed_string); | |
80a648c1 LZ |
295 | |
296 | /* Printing 100 using %2d gives "100", not "00" */ | |
297 | ||
298 | if (i > precision) { | |
299 | precision = i; | |
300 | } | |
ff2389fe | 301 | |
80a648c1 LZ |
302 | width -= precision; |
303 | ||
304 | /* Output the string */ | |
305 | ||
306 | if (!(type & (ACPI_FORMAT_ZERO | ACPI_FORMAT_LEFT))) { | |
307 | while (--width >= 0) { | |
308 | string = acpi_ut_bound_string_output(string, end, ' '); | |
309 | } | |
310 | } | |
311 | if (sign) { | |
312 | string = acpi_ut_bound_string_output(string, end, sign); | |
313 | } | |
314 | if (need_prefix) { | |
315 | string = acpi_ut_bound_string_output(string, end, '0'); | |
316 | if (base == 16) { | |
1fad8738 BM |
317 | string = |
318 | acpi_ut_bound_string_output(string, end, | |
319 | upper ? 'X' : 'x'); | |
80a648c1 LZ |
320 | } |
321 | } | |
322 | if (!(type & ACPI_FORMAT_LEFT)) { | |
323 | while (--width >= 0) { | |
324 | string = acpi_ut_bound_string_output(string, end, zero); | |
325 | } | |
326 | } | |
ff2389fe | 327 | |
80a648c1 LZ |
328 | while (i <= --precision) { |
329 | string = acpi_ut_bound_string_output(string, end, '0'); | |
330 | } | |
331 | while (--i >= 0) { | |
332 | string = acpi_ut_bound_string_output(string, end, | |
333 | reversed_string[i]); | |
334 | } | |
335 | while (--width >= 0) { | |
336 | string = acpi_ut_bound_string_output(string, end, ' '); | |
337 | } | |
338 | ||
339 | return (string); | |
340 | } | |
341 | ||
342 | /******************************************************************************* | |
343 | * | |
344 | * FUNCTION: acpi_ut_vsnprintf | |
345 | * | |
346 | * PARAMETERS: string - String with boundary | |
347 | * size - Boundary of the string | |
348 | * format - Standard printf format | |
349 | * args - Argument list | |
350 | * | |
ff2389fe | 351 | * RETURN: Number of bytes actually written. |
80a648c1 LZ |
352 | * |
353 | * DESCRIPTION: Formatted output to a string using argument list pointer. | |
354 | * | |
355 | ******************************************************************************/ | |
356 | ||
357 | int | |
358 | acpi_ut_vsnprintf(char *string, | |
359 | acpi_size size, const char *format, va_list args) | |
360 | { | |
cef9aaa7 LZ |
361 | u8 base; |
362 | u8 type; | |
363 | s32 width; | |
364 | s32 precision; | |
365 | char qualifier; | |
80a648c1 LZ |
366 | u64 number; |
367 | char *pos; | |
368 | char *end; | |
369 | char c; | |
370 | const char *s; | |
371 | const void *p; | |
372 | s32 length; | |
373 | int i; | |
374 | ||
375 | pos = string; | |
376 | end = string + size; | |
377 | ||
378 | for (; *format; ++format) { | |
379 | if (*format != '%') { | |
380 | pos = acpi_ut_bound_string_output(pos, end, *format); | |
381 | continue; | |
382 | } | |
383 | ||
cef9aaa7 LZ |
384 | type = 0; |
385 | base = 10; | |
386 | ||
80a648c1 LZ |
387 | /* Process sign */ |
388 | ||
389 | do { | |
390 | ++format; | |
391 | if (*format == '#') { | |
392 | type |= ACPI_FORMAT_PREFIX; | |
393 | } else if (*format == '0') { | |
394 | type |= ACPI_FORMAT_ZERO; | |
395 | } else if (*format == '+') { | |
396 | type |= ACPI_FORMAT_SIGN_PLUS; | |
397 | } else if (*format == ' ') { | |
398 | type |= ACPI_FORMAT_SIGN_PLUS_SPACE; | |
399 | } else if (*format == '-') { | |
400 | type |= ACPI_FORMAT_LEFT; | |
401 | } else { | |
402 | break; | |
403 | } | |
1fad8738 | 404 | |
80a648c1 LZ |
405 | } while (1); |
406 | ||
407 | /* Process width */ | |
408 | ||
3589b8b8 | 409 | width = -1; |
4fa4616e | 410 | if (isdigit((int)*format)) { |
80a648c1 LZ |
411 | format = acpi_ut_scan_number(format, &number); |
412 | width = (s32) number; | |
413 | } else if (*format == '*') { | |
414 | ++format; | |
415 | width = va_arg(args, int); | |
416 | if (width < 0) { | |
417 | width = -width; | |
418 | type |= ACPI_FORMAT_LEFT; | |
419 | } | |
420 | } | |
421 | ||
422 | /* Process precision */ | |
423 | ||
3589b8b8 | 424 | precision = -1; |
80a648c1 LZ |
425 | if (*format == '.') { |
426 | ++format; | |
4fa4616e | 427 | if (isdigit((int)*format)) { |
80a648c1 LZ |
428 | format = acpi_ut_scan_number(format, &number); |
429 | precision = (s32) number; | |
430 | } else if (*format == '*') { | |
431 | ++format; | |
432 | precision = va_arg(args, int); | |
433 | } | |
1fad8738 | 434 | |
80a648c1 LZ |
435 | if (precision < 0) { |
436 | precision = 0; | |
437 | } | |
438 | } | |
439 | ||
440 | /* Process qualifier */ | |
441 | ||
3589b8b8 | 442 | qualifier = -1; |
80a648c1 LZ |
443 | if (*format == 'h' || *format == 'l' || *format == 'L') { |
444 | qualifier = *format; | |
445 | ++format; | |
ff2389fe | 446 | |
80a648c1 LZ |
447 | if (qualifier == 'l' && *format == 'l') { |
448 | qualifier = 'L'; | |
449 | ++format; | |
450 | } | |
451 | } | |
452 | ||
453 | switch (*format) { | |
454 | case '%': | |
455 | ||
456 | pos = acpi_ut_bound_string_output(pos, end, '%'); | |
457 | continue; | |
458 | ||
459 | case 'c': | |
460 | ||
461 | if (!(type & ACPI_FORMAT_LEFT)) { | |
462 | while (--width > 0) { | |
463 | pos = | |
464 | acpi_ut_bound_string_output(pos, | |
465 | end, | |
466 | ' '); | |
467 | } | |
468 | } | |
ff2389fe | 469 | |
80a648c1 LZ |
470 | c = (char)va_arg(args, int); |
471 | pos = acpi_ut_bound_string_output(pos, end, c); | |
ff2389fe | 472 | |
80a648c1 LZ |
473 | while (--width > 0) { |
474 | pos = | |
475 | acpi_ut_bound_string_output(pos, end, ' '); | |
476 | } | |
477 | continue; | |
478 | ||
479 | case 's': | |
480 | ||
481 | s = va_arg(args, char *); | |
482 | if (!s) { | |
483 | s = "<NULL>"; | |
484 | } | |
485 | length = acpi_ut_bound_string_length(s, precision); | |
486 | if (!(type & ACPI_FORMAT_LEFT)) { | |
487 | while (length < width--) { | |
488 | pos = | |
489 | acpi_ut_bound_string_output(pos, | |
490 | end, | |
491 | ' '); | |
492 | } | |
493 | } | |
1fad8738 | 494 | |
80a648c1 LZ |
495 | for (i = 0; i < length; ++i) { |
496 | pos = acpi_ut_bound_string_output(pos, end, *s); | |
497 | ++s; | |
498 | } | |
1fad8738 | 499 | |
80a648c1 LZ |
500 | while (length < width--) { |
501 | pos = | |
502 | acpi_ut_bound_string_output(pos, end, ' '); | |
503 | } | |
504 | continue; | |
505 | ||
506 | case 'o': | |
507 | ||
508 | base = 8; | |
509 | break; | |
510 | ||
511 | case 'X': | |
512 | ||
513 | type |= ACPI_FORMAT_UPPER; | |
514 | ||
515 | case 'x': | |
516 | ||
517 | base = 16; | |
518 | break; | |
519 | ||
520 | case 'd': | |
521 | case 'i': | |
522 | ||
523 | type |= ACPI_FORMAT_SIGN; | |
524 | ||
525 | case 'u': | |
526 | ||
527 | break; | |
528 | ||
529 | case 'p': | |
530 | ||
531 | if (width == -1) { | |
532 | width = 2 * sizeof(void *); | |
533 | type |= ACPI_FORMAT_ZERO; | |
534 | } | |
ff2389fe | 535 | |
80a648c1 | 536 | p = va_arg(args, void *); |
1fad8738 BM |
537 | pos = |
538 | acpi_ut_format_number(pos, end, ACPI_TO_INTEGER(p), | |
539 | 16, width, precision, type); | |
80a648c1 LZ |
540 | continue; |
541 | ||
542 | default: | |
543 | ||
544 | pos = acpi_ut_bound_string_output(pos, end, '%'); | |
545 | if (*format) { | |
546 | pos = | |
547 | acpi_ut_bound_string_output(pos, end, | |
548 | *format); | |
549 | } else { | |
550 | --format; | |
551 | } | |
552 | continue; | |
553 | } | |
554 | ||
555 | if (qualifier == 'L') { | |
556 | number = va_arg(args, u64); | |
557 | if (type & ACPI_FORMAT_SIGN) { | |
558 | number = (s64) number; | |
559 | } | |
560 | } else if (qualifier == 'l') { | |
561 | number = va_arg(args, unsigned long); | |
562 | if (type & ACPI_FORMAT_SIGN) { | |
563 | number = (s32) number; | |
564 | } | |
565 | } else if (qualifier == 'h') { | |
566 | number = (u16)va_arg(args, int); | |
567 | if (type & ACPI_FORMAT_SIGN) { | |
568 | number = (s16) number; | |
569 | } | |
570 | } else { | |
571 | number = va_arg(args, unsigned int); | |
572 | if (type & ACPI_FORMAT_SIGN) { | |
573 | number = (signed int)number; | |
574 | } | |
575 | } | |
ff2389fe | 576 | |
80a648c1 LZ |
577 | pos = acpi_ut_format_number(pos, end, number, base, |
578 | width, precision, type); | |
579 | } | |
580 | ||
581 | if (size > 0) { | |
582 | if (pos < end) { | |
583 | *pos = '\0'; | |
584 | } else { | |
585 | end[-1] = '\0'; | |
586 | } | |
587 | } | |
588 | ||
589 | return (ACPI_PTR_DIFF(pos, string)); | |
590 | } | |
591 | ||
592 | /******************************************************************************* | |
593 | * | |
594 | * FUNCTION: acpi_ut_snprintf | |
595 | * | |
596 | * PARAMETERS: string - String with boundary | |
597 | * size - Boundary of the string | |
598 | * Format, ... - Standard printf format | |
599 | * | |
ff2389fe | 600 | * RETURN: Number of bytes actually written. |
80a648c1 LZ |
601 | * |
602 | * DESCRIPTION: Formatted output to a string. | |
603 | * | |
604 | ******************************************************************************/ | |
605 | ||
606 | int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...) | |
607 | { | |
608 | va_list args; | |
609 | int length; | |
610 | ||
611 | va_start(args, format); | |
612 | length = acpi_ut_vsnprintf(string, size, format, args); | |
613 | va_end(args); | |
614 | ||
615 | return (length); | |
616 | } | |
617 | ||
618 | #ifdef ACPI_APPLICATION | |
619 | /******************************************************************************* | |
620 | * | |
621 | * FUNCTION: acpi_ut_file_vprintf | |
622 | * | |
623 | * PARAMETERS: file - File descriptor | |
624 | * format - Standard printf format | |
625 | * args - Argument list | |
626 | * | |
ff2389fe | 627 | * RETURN: Number of bytes actually written. |
80a648c1 LZ |
628 | * |
629 | * DESCRIPTION: Formatted output to a file using argument list pointer. | |
630 | * | |
631 | ******************************************************************************/ | |
632 | ||
633 | int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args) | |
634 | { | |
635 | acpi_cpu_flags flags; | |
636 | int length; | |
637 | ||
638 | flags = acpi_os_acquire_lock(acpi_gbl_print_lock); | |
639 | length = acpi_ut_vsnprintf(acpi_gbl_print_buffer, | |
640 | sizeof(acpi_gbl_print_buffer), format, args); | |
ff2389fe | 641 | |
80a648c1 LZ |
642 | (void)acpi_os_write_file(file, acpi_gbl_print_buffer, length, 1); |
643 | acpi_os_release_lock(acpi_gbl_print_lock, flags); | |
644 | ||
645 | return (length); | |
646 | } | |
647 | ||
648 | /******************************************************************************* | |
649 | * | |
650 | * FUNCTION: acpi_ut_file_printf | |
651 | * | |
652 | * PARAMETERS: file - File descriptor | |
653 | * Format, ... - Standard printf format | |
654 | * | |
ff2389fe | 655 | * RETURN: Number of bytes actually written. |
80a648c1 LZ |
656 | * |
657 | * DESCRIPTION: Formatted output to a file. | |
658 | * | |
659 | ******************************************************************************/ | |
660 | ||
661 | int acpi_ut_file_printf(ACPI_FILE file, const char *format, ...) | |
662 | { | |
663 | va_list args; | |
664 | int length; | |
665 | ||
666 | va_start(args, format); | |
667 | length = acpi_ut_file_vprintf(file, format, args); | |
668 | va_end(args); | |
669 | ||
670 | return (length); | |
671 | } | |
672 | #endif |