1 /******************************************************************************
2 *
3 * Module Name: utprint - Formatted printing routines
4 *
5 *****************************************************************************/
6
7 /******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
12 * All rights reserved.
13 *
14 * 2. License
15 *
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
19 * property rights.
20 *
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
27 *
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
36 *
37 * The above copyright and patent license is granted only if the following
38 * conditions are met:
39 *
40 * 3. Conditions
41 *
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
53 *
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
64 * make.
65 *
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3.4. Intel retains all right, title, and interest in and to the Original
73 * Intel Code.
74 *
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
79 *
80 * 4. Disclaimer and Export Compliance
81 *
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88 * PARTICULAR PURPOSE.
89 *
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97 * LIMITED REMEDY.
98 *
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
113 *
114 *****************************************************************************
115 *
116 * Alternatively, you may choose to be licensed under the terms of the
117 * following license:
118 *
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
121 * are met:
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
133 *
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145 *
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
149 *
150 *****************************************************************************/
151
152 #include "acpi.h"
153 #include "accommon.h"
154
155 #define _COMPONENT ACPI_UTILITIES
156 ACPI_MODULE_NAME ("utprint")
157
158
159 #define ACPI_FORMAT_SIGN 0x01
160 #define ACPI_FORMAT_SIGN_PLUS 0x02
161 #define ACPI_FORMAT_SIGN_PLUS_SPACE 0x04
162 #define ACPI_FORMAT_ZERO 0x08
163 #define ACPI_FORMAT_LEFT 0x10
164 #define ACPI_FORMAT_UPPER 0x20
165 #define ACPI_FORMAT_PREFIX 0x40
166
167
168 /* Local prototypes */
169
170 static ACPI_SIZE
171 AcpiUtBoundStringLength (
172 const char *String,
173 ACPI_SIZE Count);
174
175 static char *
176 AcpiUtBoundStringOutput (
177 char *String,
178 const char *End,
179 char c);
180
181 static char *
182 AcpiUtFormatNumber (
183 char *String,
184 char *End,
185 UINT64 Number,
186 UINT8 Base,
187 INT32 Width,
188 INT32 Precision,
189 UINT8 Type);
190
191 static char *
192 AcpiUtPutNumber (
193 char *String,
194 UINT64 Number,
195 UINT8 Base,
196 BOOLEAN Upper);
197
198
199 /*******************************************************************************
200 *
201 * FUNCTION: AcpiUtBoundStringLength
202 *
203 * PARAMETERS: String - String with boundary
204 * Count - Boundary of the string
205 *
206 * RETURN: Length of the string. Less than or equal to Count.
207 *
208 * DESCRIPTION: Calculate the length of a string with boundary.
209 *
210 ******************************************************************************/
211
212 static ACPI_SIZE
AcpiUtBoundStringLength(const char * String,ACPI_SIZE Count)213 AcpiUtBoundStringLength (
214 const char *String,
215 ACPI_SIZE Count)
216 {
217 UINT32 Length = 0;
218
219
220 while (*String && Count)
221 {
222 Length++;
223 String++;
224 Count--;
225 }
226
227 return (Length);
228 }
229
230
231 /*******************************************************************************
232 *
233 * FUNCTION: AcpiUtBoundStringOutput
234 *
235 * PARAMETERS: String - String with boundary
236 * End - Boundary of the string
237 * c - Character to be output to the string
238 *
239 * RETURN: Updated position for next valid character
240 *
241 * DESCRIPTION: Output a character into a string with boundary check.
242 *
243 ******************************************************************************/
244
245 static char *
AcpiUtBoundStringOutput(char * String,const char * End,char c)246 AcpiUtBoundStringOutput (
247 char *String,
248 const char *End,
249 char c)
250 {
251
252 if (String < End)
253 {
254 *String = c;
255 }
256
257 ++String;
258 return (String);
259 }
260
261
262 /*******************************************************************************
263 *
264 * FUNCTION: AcpiUtPutNumber
265 *
266 * PARAMETERS: String - Buffer to hold reverse-ordered string
267 * Number - Integer to be converted
268 * Base - Base of the integer
269 * Upper - Whether or not using upper cased digits
270 *
271 * RETURN: Updated position for next valid character
272 *
273 * DESCRIPTION: Convert an integer into a string, note that, the string holds a
274 * reversed ordered number without the trailing zero.
275 *
276 ******************************************************************************/
277
278 static char *
AcpiUtPutNumber(char * String,UINT64 Number,UINT8 Base,BOOLEAN Upper)279 AcpiUtPutNumber (
280 char *String,
281 UINT64 Number,
282 UINT8 Base,
283 BOOLEAN Upper)
284 {
285 const char *Digits;
286 UINT64 DigitIndex;
287 char *Pos;
288
289
290 Pos = String;
291 Digits = Upper ? AcpiGbl_UpperHexDigits : AcpiGbl_LowerHexDigits;
292
293 if (Number == 0)
294 {
295 *(Pos++) = '0';
296 }
297 else
298 {
299 while (Number)
300 {
301 (void) AcpiUtDivide (Number, Base, &Number, &DigitIndex);
302 *(Pos++) = Digits[DigitIndex];
303 }
304 }
305
306 /* *(Pos++) = '0'; */
307 return (Pos);
308 }
309
310
311 /*******************************************************************************
312 *
313 * FUNCTION: AcpiUtScanNumber
314 *
315 * PARAMETERS: String - String buffer
316 * NumberPtr - Where the number is returned
317 *
318 * RETURN: Updated position for next valid character
319 *
320 * DESCRIPTION: Scan a string for a decimal integer.
321 *
322 ******************************************************************************/
323
324 const char *
AcpiUtScanNumber(const char * String,UINT64 * NumberPtr)325 AcpiUtScanNumber (
326 const char *String,
327 UINT64 *NumberPtr)
328 {
329 UINT64 Number = 0;
330
331
332 while (isdigit ((int) *String))
333 {
334 AcpiUtShortMultiply (Number, 10, &Number);
335 Number += *(String++) - '0';
336 }
337
338 *NumberPtr = Number;
339 return (String);
340 }
341
342
343 /*******************************************************************************
344 *
345 * FUNCTION: AcpiUtPrintNumber
346 *
347 * PARAMETERS: String - String buffer
348 * Number - The number to be converted
349 *
350 * RETURN: Updated position for next valid character
351 *
352 * DESCRIPTION: Print a decimal integer into a string.
353 *
354 ******************************************************************************/
355
356 const char *
AcpiUtPrintNumber(char * String,UINT64 Number)357 AcpiUtPrintNumber (
358 char *String,
359 UINT64 Number)
360 {
361 char AsciiString[20];
362 const char *Pos1;
363 char *Pos2;
364
365
366 Pos1 = AcpiUtPutNumber (AsciiString, Number, 10, FALSE);
367 Pos2 = String;
368
369 while (Pos1 != AsciiString)
370 {
371 *(Pos2++) = *(--Pos1);
372 }
373
374 *Pos2 = 0;
375 return (String);
376 }
377
378
379 /*******************************************************************************
380 *
381 * FUNCTION: AcpiUtFormatNumber
382 *
383 * PARAMETERS: String - String buffer with boundary
384 * End - Boundary of the string
385 * Number - The number to be converted
386 * Base - Base of the integer
387 * Width - Field width
388 * Precision - Precision of the integer
389 * Type - Special printing flags
390 *
391 * RETURN: Updated position for next valid character
392 *
393 * DESCRIPTION: Print an integer into a string with any base and any precision.
394 *
395 ******************************************************************************/
396
397 static char *
AcpiUtFormatNumber(char * String,char * End,UINT64 Number,UINT8 Base,INT32 Width,INT32 Precision,UINT8 Type)398 AcpiUtFormatNumber (
399 char *String,
400 char *End,
401 UINT64 Number,
402 UINT8 Base,
403 INT32 Width,
404 INT32 Precision,
405 UINT8 Type)
406 {
407 char *Pos;
408 char Sign;
409 char Zero;
410 BOOLEAN NeedPrefix;
411 BOOLEAN Upper;
412 INT32 i;
413 char ReversedString[66];
414
415
416 /* Parameter validation */
417
418 if (Base < 2 || Base > 16)
419 {
420 return (NULL);
421 }
422
423 if (Type & ACPI_FORMAT_LEFT)
424 {
425 Type &= ~ACPI_FORMAT_ZERO;
426 }
427
428 NeedPrefix = ((Type & ACPI_FORMAT_PREFIX) && Base != 10) ? TRUE : FALSE;
429 Upper = (Type & ACPI_FORMAT_UPPER) ? TRUE : FALSE;
430 Zero = (Type & ACPI_FORMAT_ZERO) ? '0' : ' ';
431
432 /* Calculate size according to sign and prefix */
433
434 Sign = '\0';
435 if (Type & ACPI_FORMAT_SIGN)
436 {
437 if ((INT64) Number < 0)
438 {
439 Sign = '-';
440 Number = - (INT64) Number;
441 Width--;
442 }
443 else if (Type & ACPI_FORMAT_SIGN_PLUS)
444 {
445 Sign = '+';
446 Width--;
447 }
448 else if (Type & ACPI_FORMAT_SIGN_PLUS_SPACE)
449 {
450 Sign = ' ';
451 Width--;
452 }
453 }
454 if (NeedPrefix)
455 {
456 Width--;
457 if (Base == 16)
458 {
459 Width--;
460 }
461 }
462
463 /* Generate full string in reverse order */
464
465 Pos = AcpiUtPutNumber (ReversedString, Number, Base, Upper);
466 i = (INT32) ACPI_PTR_DIFF (Pos, ReversedString);
467
468 /* Printing 100 using %2d gives "100", not "00" */
469
470 if (i > Precision)
471 {
472 Precision = i;
473 }
474
475 Width -= Precision;
476
477 /* Output the string */
478
479 if (!(Type & (ACPI_FORMAT_ZERO | ACPI_FORMAT_LEFT)))
480 {
481 while (--Width >= 0)
482 {
483 String = AcpiUtBoundStringOutput (String, End, ' ');
484 }
485 }
486 if (Sign)
487 {
488 String = AcpiUtBoundStringOutput (String, End, Sign);
489 }
490 if (NeedPrefix)
491 {
492 String = AcpiUtBoundStringOutput (String, End, '0');
493 if (Base == 16)
494 {
495 String = AcpiUtBoundStringOutput (
496 String, End, Upper ? 'X' : 'x');
497 }
498 }
499 if (!(Type & ACPI_FORMAT_LEFT))
500 {
501 while (--Width >= 0)
502 {
503 String = AcpiUtBoundStringOutput (String, End, Zero);
504 }
505 }
506
507 while (i <= --Precision)
508 {
509 String = AcpiUtBoundStringOutput (String, End, '0');
510 }
511 while (--i >= 0)
512 {
513 String = AcpiUtBoundStringOutput (String, End,
514 ReversedString[i]);
515 }
516 while (--Width >= 0)
517 {
518 String = AcpiUtBoundStringOutput (String, End, ' ');
519 }
520
521 return (String);
522 }
523
524
525 /*******************************************************************************
526 *
527 * FUNCTION: vsnprintf
528 *
529 * PARAMETERS: String - String with boundary
530 * Size - Boundary of the string
531 * Format - Standard printf format
532 * Args - Argument list
533 *
534 * RETURN: Number of bytes actually written.
535 *
536 * DESCRIPTION: Formatted output to a string using argument list pointer.
537 *
538 ******************************************************************************/
539
540 int
vsnprintf(char * String,ACPI_SIZE Size,const char * Format,va_list Args)541 vsnprintf (
542 char *String,
543 ACPI_SIZE Size,
544 const char *Format,
545 va_list Args)
546 {
547 UINT8 Base;
548 UINT8 Type;
549 INT32 Width;
550 INT32 Precision;
551 char Qualifier;
552 UINT64 Number;
553 char *Pos;
554 char *End;
555 char c;
556 const char *s;
557 const void *p;
558 INT32 Length;
559 int i;
560
561
562 Pos = String;
563
564
565 if (Size != ACPI_UINT32_MAX) {
566 End = String + Size;
567 } else {
568 End = ACPI_CAST_PTR(char, ACPI_UINT32_MAX);
569 }
570
571 for (; *Format; ++Format)
572 {
573 if (*Format != '%')
574 {
575 Pos = AcpiUtBoundStringOutput (Pos, End, *Format);
576 continue;
577 }
578
579 Type = 0;
580 Base = 10;
581
582 /* Process sign */
583
584 do
585 {
586 ++Format;
587 if (*Format == '#')
588 {
589 Type |= ACPI_FORMAT_PREFIX;
590 }
591 else if (*Format == '0')
592 {
593 Type |= ACPI_FORMAT_ZERO;
594 }
595 else if (*Format == '+')
596 {
597 Type |= ACPI_FORMAT_SIGN_PLUS;
598 }
599 else if (*Format == ' ')
600 {
601 Type |= ACPI_FORMAT_SIGN_PLUS_SPACE;
602 }
603 else if (*Format == '-')
604 {
605 Type |= ACPI_FORMAT_LEFT;
606 }
607 else
608 {
609 break;
610 }
611
612 } while (1);
613
614 /* Process width */
615
616 Width = -1;
617 if (isdigit ((int) *Format))
618 {
619 Format = AcpiUtScanNumber (Format, &Number);
620 Width = (INT32) Number;
621 }
622 else if (*Format == '*')
623 {
624 ++Format;
625 Width = va_arg (Args, int);
626 if (Width < 0)
627 {
628 Width = -Width;
629 Type |= ACPI_FORMAT_LEFT;
630 }
631 }
632
633 /* Process precision */
634
635 Precision = -1;
636 if (*Format == '.')
637 {
638 ++Format;
639 if (isdigit ((int) *Format))
640 {
641 Format = AcpiUtScanNumber (Format, &Number);
642 Precision = (INT32) Number;
643 }
644 else if (*Format == '*')
645 {
646 ++Format;
647 Precision = va_arg (Args, int);
648 }
649
650 if (Precision < 0)
651 {
652 Precision = 0;
653 }
654 }
655
656 /* Process qualifier */
657
658 Qualifier = -1;
659 if (*Format == 'h' || *Format == 'l' || *Format == 'L')
660 {
661 Qualifier = *Format;
662 ++Format;
663
664 if (Qualifier == 'l' && *Format == 'l')
665 {
666 Qualifier = 'L';
667 ++Format;
668 }
669 }
670
671 switch (*Format)
672 {
673 case '%':
674
675 Pos = AcpiUtBoundStringOutput (Pos, End, '%');
676 continue;
677
678 case 'c':
679
680 if (!(Type & ACPI_FORMAT_LEFT))
681 {
682 while (--Width > 0)
683 {
684 Pos = AcpiUtBoundStringOutput (Pos, End, ' ');
685 }
686 }
687
688 c = (char) va_arg (Args, int);
689 Pos = AcpiUtBoundStringOutput (Pos, End, c);
690
691 while (--Width > 0)
692 {
693 Pos = AcpiUtBoundStringOutput (Pos, End, ' ');
694 }
695 continue;
696
697 case 's':
698
699 s = va_arg (Args, char *);
700 if (!s)
701 {
702 s = "<NULL>";
703 }
704 Length = (INT32) AcpiUtBoundStringLength (s, Precision);
705 if (!(Type & ACPI_FORMAT_LEFT))
706 {
707 while (Length < Width--)
708 {
709 Pos = AcpiUtBoundStringOutput (Pos, End, ' ');
710 }
711 }
712
713 for (i = 0; i < Length; ++i)
714 {
715 Pos = AcpiUtBoundStringOutput (Pos, End, *s);
716 ++s;
717 }
718
719 while (Length < Width--)
720 {
721 Pos = AcpiUtBoundStringOutput (Pos, End, ' ');
722 }
723 continue;
724
725 case 'o':
726
727 Base = 8;
728 break;
729
730 case 'X':
731
732 Type |= ACPI_FORMAT_UPPER;
733 ACPI_FALLTHROUGH;
734
735 case 'x':
736
737 Base = 16;
738 break;
739
740 case 'd':
741 case 'i':
742
743 Type |= ACPI_FORMAT_SIGN;
744
745 case 'u':
746
747 break;
748
749 case 'p':
750
751 if (Width == -1)
752 {
753 Width = 2 * sizeof (void *);
754 Type |= ACPI_FORMAT_ZERO;
755 }
756
757 p = va_arg (Args, void *);
758 Pos = AcpiUtFormatNumber (
759 Pos, End, ACPI_TO_INTEGER (p), 16, Width, Precision, Type);
760 continue;
761
762 default:
763
764 Pos = AcpiUtBoundStringOutput (Pos, End, '%');
765 if (*Format)
766 {
767 Pos = AcpiUtBoundStringOutput (Pos, End, *Format);
768 }
769 else
770 {
771 --Format;
772 }
773 continue;
774 }
775
776 if (Qualifier == 'L')
777 {
778 Number = va_arg (Args, UINT64);
779 if (Type & ACPI_FORMAT_SIGN)
780 {
781 Number = (INT64) Number;
782 }
783 }
784 else if (Qualifier == 'l')
785 {
786 Number = va_arg (Args, unsigned long);
787 if (Type & ACPI_FORMAT_SIGN)
788 {
789 Number = (INT32) Number;
790 }
791 }
792 else if (Qualifier == 'h')
793 {
794 Number = (UINT16) va_arg (Args, int);
795 if (Type & ACPI_FORMAT_SIGN)
796 {
797 Number = (INT16) Number;
798 }
799 }
800 else
801 {
802 Number = va_arg (Args, unsigned int);
803 if (Type & ACPI_FORMAT_SIGN)
804 {
805 Number = (signed int) Number;
806 }
807 }
808
809 Pos = AcpiUtFormatNumber (Pos, End, Number, Base,
810 Width, Precision, Type);
811 }
812
813 if (Size > 0)
814 {
815 if (Pos < End)
816 {
817 *Pos = '\0';
818 }
819 else
820 {
821 End[-1] = '\0';
822 }
823 }
824
825 return ((int) ACPI_PTR_DIFF (Pos, String));
826 }
827
828
829 /*******************************************************************************
830 *
831 * FUNCTION: snprintf
832 *
833 * PARAMETERS: String - String with boundary
834 * Size - Boundary of the string
835 * Format, ... - Standard printf format
836 *
837 * RETURN: Number of bytes actually written.
838 *
839 * DESCRIPTION: Formatted output to a string.
840 *
841 ******************************************************************************/
842
843 int
snprintf(char * String,ACPI_SIZE Size,const char * Format,...)844 snprintf (
845 char *String,
846 ACPI_SIZE Size,
847 const char *Format,
848 ...)
849 {
850 va_list Args;
851 int Length;
852
853
854 va_start (Args, Format);
855 Length = vsnprintf (String, Size, Format, Args);
856 va_end (Args);
857
858 return (Length);
859 }
860
861
862 /*******************************************************************************
863 *
864 * FUNCTION: sprintf
865 *
866 * PARAMETERS: String - String with boundary
867 * Format, ... - Standard printf format
868 *
869 * RETURN: Number of bytes actually written.
870 *
871 * DESCRIPTION: Formatted output to a string.
872 *
873 ******************************************************************************/
874
875 int
sprintf(char * String,const char * Format,...)876 sprintf (
877 char *String,
878 const char *Format,
879 ...)
880 {
881 va_list Args;
882 int Length;
883
884
885 va_start (Args, Format);
886 Length = vsnprintf (String, ACPI_UINT32_MAX, Format, Args);
887 va_end (Args);
888
889 return (Length);
890 }
891
892
893 #ifdef ACPI_APPLICATION
894 /*******************************************************************************
895 *
896 * FUNCTION: vprintf
897 *
898 * PARAMETERS: Format - Standard printf format
899 * Args - Argument list
900 *
901 * RETURN: Number of bytes actually written.
902 *
903 * DESCRIPTION: Formatted output to stdout using argument list pointer.
904 *
905 ******************************************************************************/
906
907 int
vprintf(const char * Format,va_list Args)908 vprintf (
909 const char *Format,
910 va_list Args)
911 {
912 ACPI_CPU_FLAGS Flags;
913 int Length;
914
915
916 Flags = AcpiOsAcquireLock (AcpiGbl_PrintLock);
917 Length = vsnprintf (AcpiGbl_PrintBuffer,
918 sizeof (AcpiGbl_PrintBuffer), Format, Args);
919
920 (void) fwrite (AcpiGbl_PrintBuffer, Length, 1, ACPI_FILE_OUT);
921 AcpiOsReleaseLock (AcpiGbl_PrintLock, Flags);
922
923 return (Length);
924 }
925
926
927 /*******************************************************************************
928 *
929 * FUNCTION: printf
930 *
931 * PARAMETERS: Format, ... - Standard printf format
932 *
933 * RETURN: Number of bytes actually written.
934 *
935 * DESCRIPTION: Formatted output to stdout.
936 *
937 ******************************************************************************/
938
939 int
printf(const char * Format,...)940 printf (
941 const char *Format,
942 ...)
943 {
944 va_list Args;
945 int Length;
946
947
948 va_start (Args, Format);
949 Length = vprintf (Format, Args);
950 va_end (Args);
951
952 return (Length);
953 }
954
955
956 /*******************************************************************************
957 *
958 * FUNCTION: vfprintf
959 *
960 * PARAMETERS: File - File descriptor
961 * Format - Standard printf format
962 * Args - Argument list
963 *
964 * RETURN: Number of bytes actually written.
965 *
966 * DESCRIPTION: Formatted output to a file using argument list pointer.
967 *
968 ******************************************************************************/
969
970 int
vfprintf(FILE * File,const char * Format,va_list Args)971 vfprintf (
972 FILE *File,
973 const char *Format,
974 va_list Args)
975 {
976 ACPI_CPU_FLAGS Flags;
977 int Length;
978
979
980 Flags = AcpiOsAcquireLock (AcpiGbl_PrintLock);
981 Length = vsnprintf (AcpiGbl_PrintBuffer,
982 sizeof (AcpiGbl_PrintBuffer), Format, Args);
983
984 (void) fwrite (AcpiGbl_PrintBuffer, Length, 1, File);
985 AcpiOsReleaseLock (AcpiGbl_PrintLock, Flags);
986
987 return (Length);
988 }
989
990
991 /*******************************************************************************
992 *
993 * FUNCTION: fprintf
994 *
995 * PARAMETERS: File - File descriptor
996 * Format, ... - Standard printf format
997 *
998 * RETURN: Number of bytes actually written.
999 *
1000 * DESCRIPTION: Formatted output to a file.
1001 *
1002 ******************************************************************************/
1003
1004 int
fprintf(FILE * File,const char * Format,...)1005 fprintf (
1006 FILE *File,
1007 const char *Format,
1008 ...)
1009 {
1010 va_list Args;
1011 int Length;
1012
1013
1014 va_start (Args, Format);
1015 Length = vfprintf (File, Format, Args);
1016 va_end (Args);
1017
1018 return (Length);
1019 }
1020 #endif
1021
