Rev 1197 | Rev 1234 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
974 | cejka | 1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
||
3 | * Copyright (C) 2006 Josef Cejka |
||
4 | * All rights reserved. |
||
5 | * |
||
6 | * Redistribution and use in source and binary forms, with or without |
||
7 | * modification, are permitted provided that the following conditions |
||
8 | * are met: |
||
9 | * |
||
10 | * - Redistributions of source code must retain the above copyright |
||
11 | * notice, this list of conditions and the following disclaimer. |
||
12 | * - Redistributions in binary form must reproduce the above copyright |
||
13 | * notice, this list of conditions and the following disclaimer in the |
||
14 | * documentation and/or other materials provided with the distribution. |
||
15 | * - The name of the author may not be used to endorse or promote products |
||
16 | * derived from this software without specific prior written permission. |
||
17 | * |
||
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
28 | */ |
||
29 | |||
30 | #include <stdio.h> |
||
31 | #include <unistd.h> |
||
32 | #include <io/io.h> |
||
33 | #include <stdarg.h> |
||
1173 | cejka | 34 | #include <ctype.h> |
35 | #include <string.h> |
||
974 | cejka | 36 | |
1073 | cejka | 37 | #define __PRINTF_FLAG_PREFIX 0x00000001 /* show prefixes 0x or 0*/ |
38 | #define __PRINTF_FLAG_SIGNED 0x00000002 /* signed / unsigned number */ |
||
39 | #define __PRINTF_FLAG_ZEROPADDED 0x00000004 /* print leading zeroes */ |
||
40 | #define __PRINTF_FLAG_LEFTALIGNED 0x00000010 /* align to left */ |
||
41 | #define __PRINTF_FLAG_SHOWPLUS 0x00000020 /* always show + sign */ |
||
42 | #define __PRINTF_FLAG_SPACESIGN 0x00000040 /* print space instead of plus */ |
||
43 | #define __PRINTF_FLAG_BIGCHARS 0x00000080 /* show big characters */ |
||
44 | #define __PRINTF_FLAG_NEGATIVE 0x00000100 /* number has - sign */ |
||
995 | cejka | 45 | |
1073 | cejka | 46 | #define PRINT_NUMBER_BUFFER_SIZE (64+5) /* Buffer big enought for 64 bit number |
47 | * printed in base 2, sign, prefix and |
||
48 | * 0 to terminate string.. (last one is only for better testing |
||
49 | * end of buffer by zero-filling subroutine) |
||
50 | */ |
||
51 | typedef enum { |
||
52 | PrintfQualifierByte = 0, |
||
53 | PrintfQualifierShort, |
||
54 | PrintfQualifierInt, |
||
55 | PrintfQualifierLong, |
||
56 | PrintfQualifierLongLong, |
||
57 | PrintfQualifierSizeT, |
||
58 | PrintfQualifierPointer |
||
59 | } qualifier_t; |
||
974 | cejka | 60 | |
1073 | cejka | 61 | static char digits_small[] = "0123456789abcdef"; /* Small hexadecimal characters */ |
62 | static char digits_big[] = "0123456789ABCDEF"; /* Big hexadecimal characters */ |
||
995 | cejka | 63 | |
1173 | cejka | 64 | |
65 | /** Print one formatted character |
||
66 | * @param c character to print |
||
67 | * @param width |
||
68 | * @param flags |
||
69 | * @return number of printed characters or EOF |
||
70 | */ |
||
71 | static int print_char(char c, int width, uint64_t flags) |
||
72 | { |
||
73 | int counter = 0; |
||
74 | |||
75 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
||
76 | while (--width > 0) { /* one space is consumed by character itself hence predecrement */ |
||
77 | /* FIXME: painful slow */ |
||
78 | putchar(' '); |
||
79 | ++counter; |
||
80 | } |
||
81 | } |
||
82 | |||
83 | if (putchar(c) == EOF) { |
||
84 | return EOF; |
||
85 | } |
||
86 | |||
87 | while (--width > 0) { /* one space is consumed by character itself hence predecrement */ |
||
88 | putchar(' '); |
||
89 | ++counter; |
||
90 | } |
||
91 | |||
92 | return ++counter; |
||
93 | } |
||
94 | |||
95 | /** Print one string |
||
96 | * @param s string |
||
97 | * @param width |
||
98 | * @param precision |
||
99 | * @param flags |
||
100 | * @return number of printed characters or EOF |
||
101 | */ |
||
102 | |||
103 | static int print_string(char *s, int width, int precision, uint64_t flags) |
||
104 | { |
||
105 | int counter = 0; |
||
106 | size_t size; |
||
107 | |||
108 | if (s == NULL) { |
||
109 | return putstr("(NULL)"); |
||
110 | } |
||
111 | |||
112 | size = strlen(s); |
||
113 | |||
114 | /* print leading spaces */ |
||
115 | |||
116 | if (precision == 0) |
||
117 | precision = size; |
||
118 | |||
119 | width -= precision; |
||
120 | |||
121 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
||
122 | while (width-- > 0) { |
||
123 | putchar(' '); |
||
124 | counter++; |
||
125 | } |
||
126 | } |
||
127 | |||
128 | while (precision > size) { |
||
129 | precision--; |
||
130 | putchar(' '); |
||
131 | ++counter; |
||
132 | } |
||
133 | |||
134 | if (putnchars(s, precision) == EOF) { |
||
135 | return EOF; |
||
136 | } |
||
137 | |||
138 | counter += precision; |
||
139 | |||
140 | while (width-- > 0) { |
||
141 | putchar(' '); |
||
142 | ++counter; |
||
143 | } |
||
144 | |||
145 | return ++counter; |
||
146 | } |
||
147 | |||
148 | |||
974 | cejka | 149 | /** Print number in given base |
150 | * |
||
151 | * Print significant digits of a number in given |
||
152 | * base. |
||
153 | * |
||
154 | * @param num Number to print. |
||
1173 | cejka | 155 | * @param width |
156 | * @param precision |
||
974 | cejka | 157 | * @param base Base to print the number in (should |
158 | * be in range 2 .. 16). |
||
1073 | cejka | 159 | * @param flags output modifiers |
160 | * @return number of written characters or EOF |
||
974 | cejka | 161 | * |
162 | */ |
||
1173 | cejka | 163 | static int print_number(uint64_t num, int width, int precision, int base , uint64_t flags) |
974 | cejka | 164 | { |
1073 | cejka | 165 | char *digits = digits_small; |
166 | char d[PRINT_NUMBER_BUFFER_SIZE]; /* this is good enough even for base == 2, prefix and sign */ |
||
167 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
||
1173 | cejka | 168 | int size = 0; |
169 | int written = 0; |
||
170 | char sgn; |
||
974 | cejka | 171 | |
1073 | cejka | 172 | if (flags & __PRINTF_FLAG_BIGCHARS) |
173 | digits = digits_big; |
||
995 | cejka | 174 | |
1073 | cejka | 175 | *ptr-- = 0; /* Put zero at end of string */ |
176 | |||
177 | if (num == 0) { |
||
178 | *ptr-- = '0'; |
||
1173 | cejka | 179 | size++; |
1073 | cejka | 180 | } else { |
181 | do { |
||
182 | *ptr-- = digits[num % base]; |
||
1173 | cejka | 183 | size++; |
1073 | cejka | 184 | } while (num /= base); |
185 | } |
||
1173 | cejka | 186 | |
187 | /* Collect sum of all prefixes/signs/... to calculate padding and leading zeroes */ |
||
188 | if (flags & __PRINTF_FLAG_PREFIX) { |
||
1073 | cejka | 189 | switch(base) { |
190 | case 2: /* Binary formating is not standard, but usefull */ |
||
1173 | cejka | 191 | size += 2; |
1073 | cejka | 192 | break; |
193 | case 8: |
||
1173 | cejka | 194 | size++; |
1073 | cejka | 195 | break; |
196 | case 16: |
||
1173 | cejka | 197 | size += 2; |
1073 | cejka | 198 | break; |
199 | } |
||
200 | } |
||
1173 | cejka | 201 | |
202 | sgn = 0; |
||
1073 | cejka | 203 | if (flags & __PRINTF_FLAG_SIGNED) { |
204 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
||
1173 | cejka | 205 | sgn = '-'; |
206 | size++; |
||
1073 | cejka | 207 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
1173 | cejka | 208 | sgn = '+'; |
209 | size++; |
||
1073 | cejka | 210 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
1173 | cejka | 211 | sgn = ' '; |
212 | size++; |
||
1073 | cejka | 213 | } |
214 | } |
||
974 | cejka | 215 | |
1073 | cejka | 216 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
217 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
||
218 | } |
||
1173 | cejka | 219 | |
220 | /* if number is leftaligned or precision is specified then zeropadding is ignored */ |
||
1073 | cejka | 221 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
1173 | cejka | 222 | if ((precision == 0) && (width > size)) { |
223 | precision = width - size; |
||
1073 | cejka | 224 | } |
225 | } |
||
1173 | cejka | 226 | |
227 | /* print leading spaces */ |
||
228 | if (size > precision) /* We must print whole number not only a part */ |
||
229 | precision = size; |
||
230 | |||
231 | width -= precision; |
||
1073 | cejka | 232 | |
1173 | cejka | 233 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
234 | while (width-- > 0) { |
||
235 | putchar(' '); |
||
236 | written++; |
||
237 | } |
||
238 | } |
||
239 | |||
240 | /* print sign */ |
||
241 | if (sgn) { |
||
242 | putchar(sgn); |
||
243 | written++; |
||
244 | } |
||
245 | |||
246 | /* print prefix */ |
||
247 | |||
248 | if (flags & __PRINTF_FLAG_PREFIX) { |
||
249 | switch(base) { |
||
250 | case 2: /* Binary formating is not standard, but usefull */ |
||
251 | putchar('0'); |
||
252 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
||
253 | putchar('B'); |
||
254 | } else { |
||
255 | putchar('b'); |
||
256 | } |
||
1197 | cejka | 257 | written += 2; |
1173 | cejka | 258 | break; |
259 | case 8: |
||
260 | putchar('o'); |
||
261 | written++; |
||
262 | break; |
||
263 | case 16: |
||
264 | putchar('0'); |
||
265 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
||
266 | putchar('X'); |
||
267 | } else { |
||
268 | putchar('x'); |
||
269 | } |
||
270 | written += 2; |
||
271 | break; |
||
272 | } |
||
273 | } |
||
274 | |||
275 | /* print leading zeroes */ |
||
276 | precision -= size; |
||
277 | while (precision-- > 0) { |
||
278 | putchar('0'); |
||
279 | written++; |
||
280 | } |
||
281 | |||
282 | |||
283 | /* print number itself */ |
||
284 | |||
285 | written += putstr(++ptr); |
||
286 | |||
287 | /* print ending spaces */ |
||
288 | |||
289 | while (width-- > 0) { |
||
290 | putchar(' '); |
||
291 | written++; |
||
292 | } |
||
293 | |||
294 | return written; |
||
974 | cejka | 295 | } |
296 | |||
297 | |||
298 | /** General formatted text print |
||
299 | * |
||
1199 | cejka | 300 | * Print string formatted according the fmt parameter |
974 | cejka | 301 | * and variant arguments. Each formatting directive |
1199 | cejka | 302 | * must have the following form: |
303 | * % [ flags ] [ width ] [ .precision ] [ type ] conversion |
||
974 | cejka | 304 | * |
1199 | cejka | 305 | * FLAGS: |
306 | * # Force to print prefix. For conversion %o is prefix 0, for %x and %X are prefixes 0x and 0X and for conversion %b is prefix 0b. |
||
307 | * - Align to left. |
||
308 | * + Print positive sign just as negative. |
||
309 | * (space) If printed number is positive and '+' flag is not set, print space in place of sign. |
||
310 | * 0 Print 0 as padding instead of spaces. Zeroes are placed between sign and the rest of number. This flag is ignored if '-' flag is specified. |
||
311 | * |
||
312 | * WIDTH: |
||
313 | * Specify minimal width of printed argument. If it is bigger, width is ignored. |
||
314 | * If width is specified with a '*' character instead of number, width is taken from parameter list. |
||
315 | * Int parameter expected before parameter for processed conversion specification. |
||
316 | * If this value is negative it is taken its absolute value and the '-' flag is set. |
||
974 | cejka | 317 | * |
1199 | cejka | 318 | * PRECISION: |
319 | * Value precision. For numbers it specifies minimum valid numbers. |
||
320 | * Smaller numbers are printed with leading zeroes. Bigger numbers are not affected. |
||
321 | * Strings with more than precision characters are cutted of. |
||
322 | * Just as width could be '*' used instead a number. |
||
323 | * A int value is then expected in parameters. When both width and precision are specified using '*', |
||
324 | * first parameter is used for width and second one for precision. |
||
325 | * |
||
326 | * TYPE: |
||
327 | * hh signed or unsigned char |
||
328 | * h signed or usigned short |
||
329 | * signed or usigned int (default value) |
||
330 | * l signed or usigned long int |
||
331 | * ll signed or usigned long long int |
||
332 | * z size_t type |
||
333 | * |
||
334 | * |
||
335 | * CONVERSIONS: |
||
336 | * |
||
337 | * % Print percentage character. |
||
974 | cejka | 338 | * |
1199 | cejka | 339 | * c Print single character. |
974 | cejka | 340 | * |
1199 | cejka | 341 | * s Print zero terminated string. If a NULL value is passed as value, "(NULL)" is printed instead. |
342 | * |
||
343 | * P, p Print value of a pointer. Void * value is expected and it is printed in hexadecimal notation with prefix |
||
344 | * ( as with %#X or %#x for 32bit or %#X / %#x for 64bit long pointers) |
||
974 | cejka | 345 | * |
1199 | cejka | 346 | * b Print value as unsigned binary number. Prefix is not printed by default. (Nonstandard extension.) |
347 | * |
||
348 | * o Print value as unsigned octal number. Prefix is not printed by default. |
||
974 | cejka | 349 | * |
1199 | cejka | 350 | * d,i Print signed decimal number. There is no difference between d and i conversion. |
974 | cejka | 351 | * |
1199 | cejka | 352 | * u Print unsigned decimal number. |
974 | cejka | 353 | * |
1199 | cejka | 354 | * X, x Print hexadecimal number with upper- or lower-case. Prefix is not printed by default. |
355 | * |
||
974 | cejka | 356 | * All other characters from fmt except the formatting directives |
357 | * are printed in verbatim. |
||
358 | * |
||
359 | * @param fmt Formatting NULL terminated string. |
||
1199 | cejka | 360 | * @return count of printed characters or negative value on fail. |
974 | cejka | 361 | */ |
362 | int printf(const char *fmt, ...) |
||
363 | { |
||
1073 | cejka | 364 | int i = 0, j = 0; /* i is index of currently processed char from fmt, j is index to the first not printed nonformating character */ |
365 | int end; |
||
366 | int counter; /* counter of printed characters */ |
||
367 | int retval; /* used to store return values from called functions */ |
||
974 | cejka | 368 | va_list ap; |
1073 | cejka | 369 | char c; |
370 | qualifier_t qualifier; /* type of argument */ |
||
371 | int base; /* base in which will be parameter (numbers only) printed */ |
||
372 | uint64_t number; /* argument value */ |
||
373 | size_t size; /* byte size of integer parameter */ |
||
1173 | cejka | 374 | int width, precision; |
995 | cejka | 375 | uint64_t flags; |
974 | cejka | 376 | |
377 | counter = 0; |
||
378 | va_start(ap, fmt); |
||
1173 | cejka | 379 | |
974 | cejka | 380 | while ((c = fmt[i])) { |
992 | jermar | 381 | /* control character */ |
974 | cejka | 382 | if (c == '%' ) { |
992 | jermar | 383 | /* print common characters if any processed */ |
974 | cejka | 384 | if (i > j) { |
995 | cejka | 385 | if ((retval = putnchars(&fmt[j], (size_t)(i - j))) == EOF) { /* error */ |
974 | cejka | 386 | return -counter; |
387 | } |
||
388 | counter += retval; |
||
389 | } |
||
1073 | cejka | 390 | |
391 | j = i; |
||
995 | cejka | 392 | /* parse modifiers */ |
393 | flags = 0; |
||
1073 | cejka | 394 | end = 0; |
395 | |||
396 | do { |
||
397 | ++i; |
||
398 | switch (c = fmt[i]) { |
||
399 | case '#': flags |= __PRINTF_FLAG_PREFIX; break; |
||
400 | case '-': flags |= __PRINTF_FLAG_LEFTALIGNED; break; |
||
401 | case '+': flags |= __PRINTF_FLAG_SHOWPLUS; break; |
||
402 | case ' ': flags |= __PRINTF_FLAG_SPACESIGN; break; |
||
403 | case '0': flags |= __PRINTF_FLAG_ZEROPADDED; break; |
||
404 | default: end = 1; |
||
405 | }; |
||
406 | |||
407 | } while (end == 0); |
||
1173 | cejka | 408 | |
409 | /* width & '*' operator */ |
||
410 | width = 0; |
||
411 | if (isdigit(fmt[i])) { |
||
412 | while (isdigit(fmt[i])) { |
||
413 | width *= 10; |
||
414 | width += fmt[i++] - '0'; |
||
415 | } |
||
416 | } else if (fmt[i] == '*') { |
||
417 | /* get width value from argument list*/ |
||
418 | i++; |
||
419 | width = (int)va_arg(ap, int); |
||
420 | if (width < 0) { |
||
421 | /* negative width means to set '-' flag */ |
||
422 | width *= -1; |
||
423 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
||
424 | } |
||
425 | } |
||
426 | |||
427 | /* precision and '*' operator */ |
||
428 | precision = 0; |
||
429 | if (fmt[i] == '.') { |
||
430 | ++i; |
||
431 | if (isdigit(fmt[i])) { |
||
432 | while (isdigit(fmt[i])) { |
||
433 | precision *= 10; |
||
434 | precision += fmt[i++] - '0'; |
||
435 | } |
||
436 | } else if (fmt[i] == '*') { |
||
437 | /* get precision value from argument list*/ |
||
438 | i++; |
||
439 | precision = (int)va_arg(ap, int); |
||
440 | if (precision < 0) { |
||
441 | /* negative precision means to ignore it */ |
||
442 | precision = 0; |
||
443 | } |
||
444 | } |
||
445 | } |
||
1073 | cejka | 446 | |
447 | switch (fmt[i++]) { |
||
1173 | cejka | 448 | /** TODO: unimplemented qualifiers: |
449 | * t ptrdiff_t - ISO C 99 |
||
450 | */ |
||
1073 | cejka | 451 | case 'h': /* char or short */ |
452 | qualifier = PrintfQualifierShort; |
||
453 | if (fmt[i] == 'h') { |
||
454 | i++; |
||
455 | qualifier = PrintfQualifierByte; |
||
456 | } |
||
457 | break; |
||
458 | case 'l': /* long or long long*/ |
||
459 | qualifier = PrintfQualifierLong; |
||
460 | if (fmt[i] == 'l') { |
||
461 | i++; |
||
462 | qualifier = PrintfQualifierLongLong; |
||
463 | } |
||
464 | break; |
||
465 | case 'z': /* size_t */ |
||
466 | qualifier = PrintfQualifierSizeT; |
||
467 | break; |
||
468 | default: |
||
469 | qualifier = PrintfQualifierInt; /* default type */ |
||
470 | --i; |
||
995 | cejka | 471 | } |
1073 | cejka | 472 | |
473 | base = 10; |
||
474 | |||
974 | cejka | 475 | switch (c = fmt[i]) { |
476 | |||
477 | /* |
||
478 | * String and character conversions. |
||
479 | */ |
||
480 | case 's': |
||
1173 | cejka | 481 | if ((retval = print_string(va_arg(ap, char*), width, precision, flags)) == EOF) { |
974 | cejka | 482 | return -counter; |
483 | }; |
||
484 | |||
485 | counter += retval; |
||
1073 | cejka | 486 | j = i + 1; |
487 | goto next_char; |
||
974 | cejka | 488 | case 'c': |
1173 | cejka | 489 | c = va_arg(ap, unsigned int); |
490 | if ((retval = print_char(c, width, flags )) == EOF) { |
||
974 | cejka | 491 | return -counter; |
492 | }; |
||
493 | |||
494 | counter += retval; |
||
1073 | cejka | 495 | j = i + 1; |
496 | goto next_char; |
||
974 | cejka | 497 | |
1073 | cejka | 498 | /* |
499 | * Integer values |
||
974 | cejka | 500 | */ |
1073 | cejka | 501 | case 'P': /* pointer */ |
502 | flags |= __PRINTF_FLAG_BIGCHARS; |
||
974 | cejka | 503 | case 'p': |
1073 | cejka | 504 | flags |= __PRINTF_FLAG_PREFIX; |
505 | base = 16; |
||
506 | qualifier = PrintfQualifierPointer; |
||
507 | break; |
||
508 | case 'b': |
||
509 | base = 2; |
||
974 | cejka | 510 | break; |
1073 | cejka | 511 | case 'o': |
512 | base = 8; |
||
974 | cejka | 513 | break; |
514 | case 'd': |
||
995 | cejka | 515 | case 'i': |
1073 | cejka | 516 | flags |= __PRINTF_FLAG_SIGNED; |
517 | case 'u': |
||
518 | break; |
||
974 | cejka | 519 | case 'X': |
1073 | cejka | 520 | flags |= __PRINTF_FLAG_BIGCHARS; |
974 | cejka | 521 | case 'x': |
1073 | cejka | 522 | base = 16; |
523 | break; |
||
524 | /* percentile itself */ |
||
525 | case '%': |
||
526 | j = i; |
||
527 | goto next_char; |
||
974 | cejka | 528 | /* |
529 | * Bad formatting. |
||
530 | */ |
||
531 | default: |
||
1073 | cejka | 532 | /* Unknown format |
533 | * now, the j is index of '%' so we will |
||
534 | * print whole bad format sequence |
||
535 | */ |
||
536 | goto next_char; |
||
537 | } |
||
538 | |||
539 | |||
540 | /* Print integers */ |
||
541 | /* print number */ |
||
542 | switch (qualifier) { |
||
543 | case PrintfQualifierByte: |
||
544 | size = sizeof(unsigned char); |
||
545 | number = (uint64_t)va_arg(ap, unsigned int); |
||
546 | break; |
||
547 | case PrintfQualifierShort: |
||
548 | size = sizeof(unsigned short); |
||
549 | number = (uint64_t)va_arg(ap, unsigned int); |
||
550 | break; |
||
551 | case PrintfQualifierInt: |
||
552 | size = sizeof(unsigned int); |
||
553 | number = (uint64_t)va_arg(ap, unsigned int); |
||
554 | break; |
||
555 | case PrintfQualifierLong: |
||
556 | size = sizeof(unsigned long); |
||
557 | number = (uint64_t)va_arg(ap, unsigned long); |
||
558 | break; |
||
559 | case PrintfQualifierLongLong: |
||
560 | size = sizeof(unsigned long long); |
||
561 | number = (uint64_t)va_arg(ap, unsigned long long); |
||
562 | break; |
||
563 | case PrintfQualifierPointer: |
||
564 | size = sizeof(void *); |
||
565 | number = (uint64_t)(unsigned long)va_arg(ap, void *); |
||
566 | break; |
||
567 | case PrintfQualifierSizeT: |
||
568 | size = sizeof(size_t); |
||
569 | number = (uint64_t)va_arg(ap, size_t); |
||
570 | break; |
||
571 | default: /* Unknown qualifier */ |
||
974 | cejka | 572 | return -counter; |
1073 | cejka | 573 | |
974 | cejka | 574 | } |
1073 | cejka | 575 | |
576 | if (flags & __PRINTF_FLAG_SIGNED) { |
||
577 | if (number & (0x1 << (size*8 - 1))) { |
||
578 | flags |= __PRINTF_FLAG_NEGATIVE; |
||
579 | |||
580 | if (size == sizeof(uint64_t)) { |
||
581 | number = -((int64_t)number); |
||
582 | } else { |
||
583 | number = ~number; |
||
584 | number &= (~((0xFFFFFFFFFFFFFFFFll) << (size * 8))); |
||
585 | number++; |
||
586 | } |
||
587 | } |
||
588 | } |
||
589 | |||
1173 | cejka | 590 | if ((retval = print_number(number, width, precision, base, flags)) == EOF ) { |
1073 | cejka | 591 | return -counter; |
592 | }; |
||
593 | |||
594 | counter += retval; |
||
595 | j = i + 1; |
||
974 | cejka | 596 | } |
1073 | cejka | 597 | next_char: |
598 | |||
974 | cejka | 599 | ++i; |
600 | } |
||
601 | |||
975 | cejka | 602 | if (i > j) { |
995 | cejka | 603 | if ((retval = putnchars(&fmt[j], (size_t)(i - j))) == EOF) { /* error */ |
975 | cejka | 604 | return -counter; |
605 | } |
||
606 | counter += retval; |
||
607 | } |
||
608 | |||
974 | cejka | 609 | va_end(ap); |
610 | return counter; |
||
611 | } |
||
612 |