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1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
3 | * Copyright (c) 2006 Josef Cejka |
3 | * Copyright (c) 2006 Josef Cejka |
4 | * All rights reserved. |
4 | * All rights reserved. |
5 | * |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
8 | * are met: |
9 | * |
9 | * |
10 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
16 | * derived from this software without specific prior written permission. |
17 | * |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
28 | */ |
29 | 29 | ||
30 | /** @addtogroup generic |
30 | /** @addtogroup generic |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | * @brief Printing functions. |
35 | * @brief Printing functions. |
36 | */ |
36 | */ |
37 | 37 | ||
38 | #include <printf/printf_core.h> |
38 | #include <printf/printf_core.h> |
39 | #include <putchar.h> |
39 | #include <putchar.h> |
40 | #include <print.h> |
40 | #include <print.h> |
41 | #include <arch/arg.h> |
41 | #include <arch/arg.h> |
42 | #include <macros.h> |
42 | #include <macros.h> |
43 | #include <func.h> |
43 | #include <func.h> |
44 | #include <arch.h> |
44 | #include <arch.h> |
45 | 45 | ||
46 | /** show prefixes 0x or 0 */ |
46 | /** show prefixes 0x or 0 */ |
47 | #define __PRINTF_FLAG_PREFIX 0x00000001 |
47 | #define __PRINTF_FLAG_PREFIX 0x00000001 |
48 | /** signed / unsigned number */ |
48 | /** signed / unsigned number */ |
49 | #define __PRINTF_FLAG_SIGNED 0x00000002 |
49 | #define __PRINTF_FLAG_SIGNED 0x00000002 |
50 | /** print leading zeroes */ |
50 | /** print leading zeroes */ |
51 | #define __PRINTF_FLAG_ZEROPADDED 0x00000004 |
51 | #define __PRINTF_FLAG_ZEROPADDED 0x00000004 |
52 | /** align to left */ |
52 | /** align to left */ |
53 | #define __PRINTF_FLAG_LEFTALIGNED 0x00000010 |
53 | #define __PRINTF_FLAG_LEFTALIGNED 0x00000010 |
54 | /** always show + sign */ |
54 | /** always show + sign */ |
55 | #define __PRINTF_FLAG_SHOWPLUS 0x00000020 |
55 | #define __PRINTF_FLAG_SHOWPLUS 0x00000020 |
56 | /** print space instead of plus */ |
56 | /** print space instead of plus */ |
57 | #define __PRINTF_FLAG_SPACESIGN 0x00000040 |
57 | #define __PRINTF_FLAG_SPACESIGN 0x00000040 |
58 | /** show big characters */ |
58 | /** show big characters */ |
59 | #define __PRINTF_FLAG_BIGCHARS 0x00000080 |
59 | #define __PRINTF_FLAG_BIGCHARS 0x00000080 |
60 | /** number has - sign */ |
60 | /** number has - sign */ |
61 | #define __PRINTF_FLAG_NEGATIVE 0x00000100 |
61 | #define __PRINTF_FLAG_NEGATIVE 0x00000100 |
62 | 62 | ||
63 | /** |
63 | /** |
64 | * Buffer big enough for 64-bit number printed in base 2, sign, prefix and 0 |
64 | * Buffer big enough for 64-bit number printed in base 2, sign, prefix and 0 |
65 | * to terminate string... (last one is only for better testing end of buffer by |
65 | * to terminate string... (last one is only for better testing end of buffer by |
66 | * zero-filling subroutine) |
66 | * zero-filling subroutine) |
67 | */ |
67 | */ |
68 | #define PRINT_NUMBER_BUFFER_SIZE (64 + 5) |
68 | #define PRINT_NUMBER_BUFFER_SIZE (64 + 5) |
69 | 69 | ||
70 | /** Enumeration of possible arguments types. |
70 | /** Enumeration of possible arguments types. |
71 | */ |
71 | */ |
72 | typedef enum { |
72 | typedef enum { |
73 | PrintfQualifierByte = 0, |
73 | PrintfQualifierByte = 0, |
74 | PrintfQualifierShort, |
74 | PrintfQualifierShort, |
75 | PrintfQualifierInt, |
75 | PrintfQualifierInt, |
76 | PrintfQualifierLong, |
76 | PrintfQualifierLong, |
77 | PrintfQualifierLongLong, |
77 | PrintfQualifierLongLong, |
78 | PrintfQualifierPointer |
78 | PrintfQualifierPointer |
79 | } qualifier_t; |
79 | } qualifier_t; |
80 | 80 | ||
81 | static char digits_small[] = "0123456789abcdef"; |
81 | static char digits_small[] = "0123456789abcdef"; |
82 | static char digits_big[] = "0123456789ABCDEF"; |
82 | static char digits_big[] = "0123456789ABCDEF"; |
83 | 83 | ||
84 | /** Print one or more characters without adding newline. |
84 | /** Print one or more characters without adding newline. |
85 | * |
85 | * |
86 | * @param buf Buffer with size at least count bytes. NULL pointer is |
86 | * @param buf Buffer with size at least count bytes. NULL pointer is |
87 | * not allowed! |
87 | * not allowed! |
88 | * @param count Number of characters to print. |
88 | * @param count Number of characters to print. |
89 | * @param ps Output method and its data. |
89 | * @param ps Output method and its data. |
90 | * @return Number of characters printed. |
90 | * @return Number of characters printed. |
91 | */ |
91 | */ |
92 | static int printf_putnchars(const char * buf, size_t count, |
92 | static int printf_putnchars(const char * buf, size_t count, |
93 | struct printf_spec *ps) |
93 | struct printf_spec *ps) |
94 | { |
94 | { |
95 | return ps->write((void *) buf, count, ps->data); |
95 | return ps->write((void *) buf, count, ps->data); |
96 | } |
96 | } |
97 | 97 | ||
98 | /** Print a string without adding a newline. |
98 | /** Print a string without adding a newline. |
99 | * |
99 | * |
100 | * @param str String to print. |
100 | * @param str String to print. |
101 | * @param ps Write function specification and support data. |
101 | * @param ps Write function specification and support data. |
102 | * @return Number of characters printed. |
102 | * @return Number of characters printed. |
103 | */ |
103 | */ |
104 | static int printf_putstr(const char * str, struct printf_spec *ps) |
104 | static int printf_putstr(const char * str, struct printf_spec *ps) |
105 | { |
105 | { |
106 | size_t count; |
106 | size_t count; |
107 | 107 | ||
108 | if (str == NULL) { |
108 | if (str == NULL) { |
109 | char *nullstr = "(NULL)"; |
109 | char *nullstr = "(NULL)"; |
110 | return printf_putnchars(nullstr, strlen(nullstr), ps); |
110 | return printf_putnchars(nullstr, strlen(nullstr), ps); |
111 | } |
111 | } |
112 | 112 | ||
113 | count = strlen(str); |
113 | count = strlen(str); |
114 | 114 | ||
115 | return ps->write((void *) str, count, ps->data); |
115 | return ps->write((void *) str, count, ps->data); |
116 | } |
116 | } |
117 | 117 | ||
118 | /** Print one character. |
118 | /** Print one character. |
119 | * |
119 | * |
120 | * @param c Character to be printed. |
120 | * @param c Character to be printed. |
121 | * @param ps Output method. |
121 | * @param ps Output method. |
122 | * |
122 | * |
123 | * @return Number of characters printed. |
123 | * @return Number of characters printed. |
124 | */ |
124 | */ |
125 | static int printf_putchar(int c, struct printf_spec *ps) |
125 | static int printf_putchar(int c, struct printf_spec *ps) |
126 | { |
126 | { |
127 | unsigned char ch = c; |
127 | unsigned char ch = c; |
128 | 128 | ||
129 | return ps->write((void *) &ch, 1, ps->data); |
129 | return ps->write((void *) &ch, 1, ps->data); |
130 | } |
130 | } |
131 | 131 | ||
132 | /** Print one formatted character. |
132 | /** Print one formatted character. |
133 | * |
133 | * |
134 | * @param c Character to print. |
134 | * @param c Character to print. |
135 | * @param width Width modifier. |
135 | * @param width Width modifier. |
136 | * @param flags Flags that change the way the character is printed. |
136 | * @param flags Flags that change the way the character is printed. |
137 | * |
137 | * |
138 | * @return Number of characters printed, negative value on failure. |
138 | * @return Number of characters printed, negative value on failure. |
139 | */ |
139 | */ |
140 | static int print_char(char c, int width, uint64_t flags, struct printf_spec *ps) |
140 | static int print_char(char c, int width, uint64_t flags, struct printf_spec *ps) |
141 | { |
141 | { |
142 | int counter = 0; |
142 | int counter = 0; |
143 | 143 | ||
144 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
144 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
145 | while (--width > 0) { |
145 | while (--width > 0) { |
146 | /* |
146 | /* |
147 | * One space is consumed by the character itself, hence |
147 | * One space is consumed by the character itself, hence |
148 | * the predecrement. |
148 | * the predecrement. |
149 | */ |
149 | */ |
150 | if (printf_putchar(' ', ps) > 0) |
150 | if (printf_putchar(' ', ps) > 0) |
151 | ++counter; |
151 | ++counter; |
152 | } |
152 | } |
153 | } |
153 | } |
154 | 154 | ||
155 | if (printf_putchar(c, ps) > 0) |
155 | if (printf_putchar(c, ps) > 0) |
156 | counter++; |
156 | counter++; |
157 | 157 | ||
158 | while (--width > 0) { |
158 | while (--width > 0) { |
159 | /* |
159 | /* |
160 | * One space is consumed by the character itself, hence |
160 | * One space is consumed by the character itself, hence |
161 | * the predecrement. |
161 | * the predecrement. |
162 | */ |
162 | */ |
163 | if (printf_putchar(' ', ps) > 0) |
163 | if (printf_putchar(' ', ps) > 0) |
164 | ++counter; |
164 | ++counter; |
165 | } |
165 | } |
166 | 166 | ||
167 | return ++counter; |
167 | return ++counter; |
168 | } |
168 | } |
169 | 169 | ||
170 | /** Print string. |
170 | /** Print string. |
171 | * |
171 | * |
172 | * @param s String to be printed. |
172 | * @param s String to be printed. |
173 | * @param width Width modifier. |
173 | * @param width Width modifier. |
174 | * @param precision Precision modifier. |
174 | * @param precision Precision modifier. |
175 | * @param flags Flags that modify the way the string is printed. |
175 | * @param flags Flags that modify the way the string is printed. |
176 | * |
176 | * |
177 | * @return Number of characters printed, negative value on failure. |
177 | * @return Number of characters printed, negative value on failure. |
178 | */ |
178 | */ |
179 | static int print_string(char *s, int width, unsigned int precision, |
179 | static int print_string(char *s, int width, unsigned int precision, |
180 | uint64_t flags, struct printf_spec *ps) |
180 | uint64_t flags, struct printf_spec *ps) |
181 | { |
181 | { |
182 | int counter = 0; |
182 | int counter = 0; |
183 | size_t size; |
183 | size_t size; |
184 | int retval; |
184 | int retval; |
185 | 185 | ||
186 | if (s == NULL) { |
186 | if (s == NULL) { |
187 | return printf_putstr("(NULL)", ps); |
187 | return printf_putstr("(NULL)", ps); |
188 | } |
188 | } |
189 | 189 | ||
190 | size = strlen(s); |
190 | size = strlen(s); |
191 | 191 | ||
192 | /* print leading spaces */ |
192 | /* print leading spaces */ |
193 | 193 | ||
194 | if (precision == 0) |
194 | if (precision == 0) |
195 | precision = size; |
195 | precision = size; |
196 | 196 | ||
197 | width -= precision; |
197 | width -= precision; |
198 | 198 | ||
199 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
199 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
200 | while (width-- > 0) { |
200 | while (width-- > 0) { |
201 | if (printf_putchar(' ', ps) == 1) |
201 | if (printf_putchar(' ', ps) == 1) |
202 | counter++; |
202 | counter++; |
203 | } |
203 | } |
204 | } |
204 | } |
205 | 205 | ||
206 | if ((retval = printf_putnchars(s, min(size, precision), ps)) < 0) { |
206 | if ((retval = printf_putnchars(s, min(size, precision), ps)) < 0) { |
207 | return -counter; |
207 | return -counter; |
208 | } |
208 | } |
209 | counter += retval; |
209 | counter += retval; |
210 | 210 | ||
211 | while (width-- > 0) { |
211 | while (width-- > 0) { |
212 | if (printf_putchar(' ', ps) == 1) |
212 | if (printf_putchar(' ', ps) == 1) |
213 | ++counter; |
213 | ++counter; |
214 | } |
214 | } |
215 | 215 | ||
216 | return counter; |
216 | return counter; |
217 | } |
217 | } |
218 | 218 | ||
219 | 219 | ||
220 | /** Print a number in a given base. |
220 | /** Print a number in a given base. |
221 | * |
221 | * |
222 | * Print significant digits of a number in given base. |
222 | * Print significant digits of a number in given base. |
223 | * |
223 | * |
224 | * @param num Number to print. |
224 | * @param num Number to print. |
225 | * @param widt Width modifier.h |
225 | * @param widt Width modifier.h |
226 | * @param precision Precision modifier. |
226 | * @param precision Precision modifier. |
227 | * @param base Base to print the number in (must be between 2 and 16). |
227 | * @param base Base to print the number in (must be between 2 and 16). |
228 | * @param flags Flags that modify the way the number is printed. |
228 | * @param flags Flags that modify the way the number is printed. |
229 | * |
229 | * |
230 | * @return Number of characters printed. |
230 | * @return Number of characters printed. |
231 | * |
231 | * |
232 | */ |
232 | */ |
233 | static int print_number(uint64_t num, int width, int precision, int base, |
233 | static int print_number(uint64_t num, int width, int precision, int base, |
234 | uint64_t flags, struct printf_spec *ps) |
234 | uint64_t flags, struct printf_spec *ps) |
235 | { |
235 | { |
236 | char *digits = digits_small; |
236 | char *digits = digits_small; |
237 | char d[PRINT_NUMBER_BUFFER_SIZE]; |
237 | char d[PRINT_NUMBER_BUFFER_SIZE]; |
238 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
238 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
239 | int size = 0; /* size of number with all prefixes and signs */ |
239 | int size = 0; /* size of number with all prefixes and signs */ |
240 | int number_size; /* size of plain number */ |
240 | int number_size; /* size of plain number */ |
241 | char sgn; |
241 | char sgn; |
242 | int retval; |
242 | int retval; |
243 | int counter = 0; |
243 | int counter = 0; |
244 | 244 | ||
245 | if (flags & __PRINTF_FLAG_BIGCHARS) |
245 | if (flags & __PRINTF_FLAG_BIGCHARS) |
246 | digits = digits_big; |
246 | digits = digits_big; |
247 | 247 | ||
248 | *ptr-- = 0; /* Put zero at end of string */ |
248 | *ptr-- = 0; /* Put zero at end of string */ |
249 | 249 | ||
250 | if (num == 0) { |
250 | if (num == 0) { |
251 | *ptr-- = '0'; |
251 | *ptr-- = '0'; |
252 | size++; |
252 | size++; |
253 | } else { |
253 | } else { |
254 | do { |
254 | do { |
255 | *ptr-- = digits[num % base]; |
255 | *ptr-- = digits[num % base]; |
256 | size++; |
256 | size++; |
257 | } while (num /= base); |
257 | } while (num /= base); |
258 | } |
258 | } |
259 | 259 | ||
260 | number_size = size; |
260 | number_size = size; |
261 | 261 | ||
262 | /* |
262 | /* |
263 | * Collect the sum of all prefixes/signs/... to calculate padding and |
263 | * Collect the sum of all prefixes/signs/... to calculate padding and |
264 | * leading zeroes. |
264 | * leading zeroes. |
265 | */ |
265 | */ |
266 | if (flags & __PRINTF_FLAG_PREFIX) { |
266 | if (flags & __PRINTF_FLAG_PREFIX) { |
267 | switch(base) { |
267 | switch(base) { |
268 | case 2: /* Binary formating is not standard, but usefull */ |
268 | case 2: /* Binary formating is not standard, but usefull */ |
269 | size += 2; |
269 | size += 2; |
270 | break; |
270 | break; |
271 | case 8: |
271 | case 8: |
272 | size++; |
272 | size++; |
273 | break; |
273 | break; |
274 | case 16: |
274 | case 16: |
275 | size += 2; |
275 | size += 2; |
276 | break; |
276 | break; |
277 | } |
277 | } |
278 | } |
278 | } |
279 | 279 | ||
280 | sgn = 0; |
280 | sgn = 0; |
281 | if (flags & __PRINTF_FLAG_SIGNED) { |
281 | if (flags & __PRINTF_FLAG_SIGNED) { |
282 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
282 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
283 | sgn = '-'; |
283 | sgn = '-'; |
284 | size++; |
284 | size++; |
285 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
285 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
286 | sgn = '+'; |
286 | sgn = '+'; |
287 | size++; |
287 | size++; |
288 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
288 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
289 | sgn = ' '; |
289 | sgn = ' '; |
290 | size++; |
290 | size++; |
291 | } |
291 | } |
292 | } |
292 | } |
293 | 293 | ||
294 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
294 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
295 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
295 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
296 | } |
296 | } |
297 | 297 | ||
298 | /* |
298 | /* |
299 | * If the number is leftaligned or precision is specified then |
299 | * If the number is leftaligned or precision is specified then |
300 | * zeropadding is ignored. |
300 | * zeropadding is ignored. |
301 | */ |
301 | */ |
302 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
302 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
303 | if ((precision == 0) && (width > size)) { |
303 | if ((precision == 0) && (width > size)) { |
304 | precision = width - size + number_size; |
304 | precision = width - size + number_size; |
305 | } |
305 | } |
306 | } |
306 | } |
307 | 307 | ||
308 | /* print leading spaces */ |
308 | /* print leading spaces */ |
309 | if (number_size > precision) { |
309 | if (number_size > precision) { |
310 | /* print the whole number not only a part */ |
310 | /* print the whole number not only a part */ |
311 | precision = number_size; |
311 | precision = number_size; |
312 | } |
312 | } |
313 | 313 | ||
314 | width -= precision + size - number_size; |
314 | width -= precision + size - number_size; |
315 | 315 | ||
316 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
316 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
317 | while (width-- > 0) { |
317 | while (width-- > 0) { |
318 | if (printf_putchar(' ', ps) == 1) |
318 | if (printf_putchar(' ', ps) == 1) |
319 | counter++; |
319 | counter++; |
320 | } |
320 | } |
321 | } |
321 | } |
322 | 322 | ||
323 | 323 | ||
324 | /* print sign */ |
324 | /* print sign */ |
325 | if (sgn) { |
325 | if (sgn) { |
326 | if (printf_putchar(sgn, ps) == 1) |
326 | if (printf_putchar(sgn, ps) == 1) |
327 | counter++; |
327 | counter++; |
328 | } |
328 | } |
329 | 329 | ||
330 | /* print prefix */ |
330 | /* print prefix */ |
331 | 331 | ||
332 | if (flags & __PRINTF_FLAG_PREFIX) { |
332 | if (flags & __PRINTF_FLAG_PREFIX) { |
333 | switch(base) { |
333 | switch(base) { |
334 | case 2: /* Binary formating is not standard, but usefull */ |
334 | case 2: /* Binary formating is not standard, but usefull */ |
335 | if (printf_putchar('0', ps) == 1) |
335 | if (printf_putchar('0', ps) == 1) |
336 | counter++; |
336 | counter++; |
337 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
337 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
338 | if (printf_putchar('B', ps) == 1) |
338 | if (printf_putchar('B', ps) == 1) |
339 | counter++; |
339 | counter++; |
340 | } else { |
340 | } else { |
341 | if (printf_putchar('b', ps) == 1) |
341 | if (printf_putchar('b', ps) == 1) |
342 | counter++; |
342 | counter++; |
343 | } |
343 | } |
344 | break; |
344 | break; |
345 | case 8: |
345 | case 8: |
346 | if (printf_putchar('o', ps) == 1) |
346 | if (printf_putchar('o', ps) == 1) |
347 | counter++; |
347 | counter++; |
348 | break; |
348 | break; |
349 | case 16: |
349 | case 16: |
350 | if (printf_putchar('0', ps) == 1) |
350 | if (printf_putchar('0', ps) == 1) |
351 | counter++; |
351 | counter++; |
352 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
352 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
353 | if (printf_putchar('X', ps) == 1) |
353 | if (printf_putchar('X', ps) == 1) |
354 | counter++; |
354 | counter++; |
355 | } else { |
355 | } else { |
356 | if (printf_putchar('x', ps) == 1) |
356 | if (printf_putchar('x', ps) == 1) |
357 | counter++; |
357 | counter++; |
358 | } |
358 | } |
359 | break; |
359 | break; |
360 | } |
360 | } |
361 | } |
361 | } |
362 | 362 | ||
363 | /* print leading zeroes */ |
363 | /* print leading zeroes */ |
364 | precision -= number_size; |
364 | precision -= number_size; |
365 | while (precision-- > 0) { |
365 | while (precision-- > 0) { |
366 | if (printf_putchar('0', ps) == 1) |
366 | if (printf_putchar('0', ps) == 1) |
367 | counter++; |
367 | counter++; |
368 | } |
368 | } |
369 | 369 | ||
370 | 370 | ||
371 | /* print number itself */ |
371 | /* print number itself */ |
372 | 372 | ||
373 | if ((retval = printf_putstr(++ptr, ps)) > 0) { |
373 | if ((retval = printf_putstr(++ptr, ps)) > 0) { |
374 | counter += retval; |
374 | counter += retval; |
375 | } |
375 | } |
376 | 376 | ||
377 | /* print ending spaces */ |
377 | /* print ending spaces */ |
378 | 378 | ||
379 | while (width-- > 0) { |
379 | while (width-- > 0) { |
380 | if (printf_putchar(' ', ps) == 1) |
380 | if (printf_putchar(' ', ps) == 1) |
381 | counter++; |
381 | counter++; |
382 | } |
382 | } |
383 | 383 | ||
384 | return counter; |
384 | return counter; |
385 | } |
385 | } |
386 | 386 | ||
387 | 387 | ||
388 | /** Print formatted string. |
388 | /** Print formatted string. |
389 | * |
389 | * |
390 | * Print string formatted according to the fmt parameter and variadic arguments. |
390 | * Print string formatted according to the fmt parameter and variadic arguments. |
391 | * Each formatting directive must have the following form: |
391 | * Each formatting directive must have the following form: |
392 | * |
392 | * |
393 | * \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
393 | * \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
394 | * |
394 | * |
395 | * FLAGS:@n |
395 | * FLAGS:@n |
396 | * - "#" Force to print prefix.For \%o conversion, the prefix is 0, for |
396 | * - "#" Force to print prefix.For \%o conversion, the prefix is 0, for |
397 | * \%x and \%X prefixes are 0x and 0X and for conversion \%b the |
397 | * \%x and \%X prefixes are 0x and 0X and for conversion \%b the |
398 | * prefix is 0b. |
398 | * prefix is 0b. |
399 | * |
399 | * |
400 | * - "-" Align to left. |
400 | * - "-" Align to left. |
401 | * |
401 | * |
402 | * - "+" Print positive sign just as negative. |
402 | * - "+" Print positive sign just as negative. |
403 | * |
403 | * |
404 | * - " " If the printed number is positive and "+" flag is not set, |
404 | * - " " If the printed number is positive and "+" flag is not set, |
405 | * print space in place of sign. |
405 | * print space in place of sign. |
406 | * |
406 | * |
407 | * - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
407 | * - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
408 | * sign and the rest of the number. This flag is ignored if "-" |
408 | * sign and the rest of the number. This flag is ignored if "-" |
409 | * flag is specified. |
409 | * flag is specified. |
410 | * |
410 | * |
411 | * WIDTH:@n |
411 | * WIDTH:@n |
412 | * - Specify the minimal width of a printed argument. If it is bigger, |
412 | * - Specify the minimal width of a printed argument. If it is bigger, |
413 | * width is ignored. If width is specified with a "*" character instead of |
413 | * width is ignored. If width is specified with a "*" character instead of |
414 | * number, width is taken from parameter list. And integer parameter is |
414 | * number, width is taken from parameter list. And integer parameter is |
415 | * expected before parameter for processed conversion specification. If |
415 | * expected before parameter for processed conversion specification. If |
416 | * this value is negative its absolute value is taken and the "-" flag is |
416 | * this value is negative its absolute value is taken and the "-" flag is |
417 | * set. |
417 | * set. |
418 | * |
418 | * |
419 | * PRECISION:@n |
419 | * PRECISION:@n |
420 | * - Value precision. For numbers it specifies minimum valid numbers. |
420 | * - Value precision. For numbers it specifies minimum valid numbers. |
421 | * Smaller numbers are printed with leading zeroes. Bigger numbers are not |
421 | * Smaller numbers are printed with leading zeroes. Bigger numbers are not |
422 | * affected. Strings with more than precision characters are cut off. Just |
422 | * affected. Strings with more than precision characters are cut off. Just |
423 | * as with width, an "*" can be used used instead of a number. An integer |
423 | * as with width, an "*" can be used used instead of a number. An integer |
424 | * value is then expected in parameters. When both width and precision are |
424 | * value is then expected in parameters. When both width and precision are |
425 | * specified using "*", the first parameter is used for width and the |
425 | * specified using "*", the first parameter is used for width and the |
426 | * second one for precision. |
426 | * second one for precision. |
427 | * |
427 | * |
428 | * TYPE:@n |
428 | * TYPE:@n |
429 | * - "hh" Signed or unsigned char.@n |
429 | * - "hh" Signed or unsigned char.@n |
430 | * - "h" Signed or unsigned short.@n |
430 | * - "h" Signed or unsigned short.@n |
431 | * - "" Signed or unsigned int (default value).@n |
431 | * - "" Signed or unsigned int (default value).@n |
432 | * - "l" Signed or unsigned long int.@n |
432 | * - "l" Signed or unsigned long int.@n |
433 | * - "ll" Signed or unsigned long long int.@n |
433 | * - "ll" Signed or unsigned long long int.@n |
434 | * |
434 | * |
435 | * |
435 | * |
436 | * CONVERSION:@n |
436 | * CONVERSION:@n |
437 | * - % Print percentile character itself. |
437 | * - % Print percentile character itself. |
438 | * |
438 | * |
439 | * - c Print single character. |
439 | * - c Print single character. |
440 | * |
440 | * |
441 | * - s Print zero terminated string. If a NULL value is passed as |
441 | * - s Print zero terminated string. If a NULL value is passed as |
442 | * value, "(NULL)" is printed instead. |
442 | * value, "(NULL)" is printed instead. |
443 | * |
443 | * |
444 | * - P, p Print value of a pointer. Void * value is expected and it is |
444 | * - P, p Print value of a pointer. Void * value is expected and it is |
445 | * printed in hexadecimal notation with prefix (as with \%#X / \%#x |
445 | * printed in hexadecimal notation with prefix (as with \%#X / \%#x |
446 | * for 32-bit or \%#X / \%#x for 64-bit long pointers). |
446 | * for 32-bit or \%#X / \%#x for 64-bit long pointers). |
447 | * |
447 | * |
448 | * - b Print value as unsigned binary number. Prefix is not printed by |
448 | * - b Print value as unsigned binary number. Prefix is not printed by |
449 | * default. (Nonstandard extension.) |
449 | * default. (Nonstandard extension.) |
450 | * |
450 | * |
451 | * - o Print value as unsigned octal number. Prefix is not printed by |
451 | * - o Print value as unsigned octal number. Prefix is not printed by |
452 | * default. |
452 | * default. |
453 | * |
453 | * |
454 | * - d, i Print signed decimal number. There is no difference between d |
454 | * - d, i Print signed decimal number. There is no difference between d |
455 | * and i conversion. |
455 | * and i conversion. |
456 | * |
456 | * |
457 | * - u Print unsigned decimal number. |
457 | * - u Print unsigned decimal number. |
458 | * |
458 | * |
459 | * - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
459 | * - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
460 | * not printed by default. |
460 | * not printed by default. |
461 | * |
461 | * |
462 | * All other characters from fmt except the formatting directives are printed in |
462 | * All other characters from fmt except the formatting directives are printed in |
463 | * verbatim. |
463 | * verbatim. |
464 | * |
464 | * |
465 | * @param fmt Formatting NULL terminated string. |
465 | * @param fmt Formatting NULL terminated string. |
466 | * @return Number of characters printed, negative value on failure. |
466 | * @return Number of characters printed, negative value on failure. |
467 | */ |
467 | */ |
468 | int printf_core(const char *fmt, struct printf_spec *ps, va_list ap) |
468 | int printf_core(const char *fmt, struct printf_spec *ps, va_list ap) |
469 | { |
469 | { |
470 | int i = 0; /* index of the currently processed char from fmt */ |
470 | int i = 0; /* index of the currently processed char from fmt */ |
471 | int j = 0; /* index to the first not printed nonformating character */ |
471 | int j = 0; /* index to the first not printed nonformating character */ |
472 | int end; |
472 | int end; |
473 | int counter; /* counter of printed characters */ |
473 | int counter; /* counter of printed characters */ |
474 | int retval; /* used to store return values from called functions */ |
474 | int retval; /* used to store return values from called functions */ |
475 | char c; |
475 | char c; |
476 | qualifier_t qualifier; /* type of argument */ |
476 | qualifier_t qualifier; /* type of argument */ |
477 | int base; /* base in which a numeric parameter will be printed */ |
477 | int base; /* base in which a numeric parameter will be printed */ |
478 | uint64_t number; /* argument value */ |
478 | uint64_t number; /* argument value */ |
479 | size_t size; /* byte size of integer parameter */ |
479 | size_t size; /* byte size of integer parameter */ |
480 | int width, precision; |
480 | int width, precision; |
481 | uint64_t flags; |
481 | uint64_t flags; |
482 | 482 | ||
483 | counter = 0; |
483 | counter = 0; |
484 | 484 | ||
485 | while ((c = fmt[i])) { |
485 | while ((c = fmt[i])) { |
486 | /* control character */ |
486 | /* control character */ |
487 | if (c == '%') { |
487 | if (c == '%') { |
488 | /* print common characters if any processed */ |
488 | /* print common characters if any processed */ |
489 | if (i > j) { |
489 | if (i > j) { |
490 | if ((retval = printf_putnchars(&fmt[j], |
490 | if ((retval = printf_putnchars(&fmt[j], |
491 | (size_t)(i - j), ps)) < 0) { /* error */ |
491 | (size_t)(i - j), ps)) < 0) { /* error */ |
492 | counter = -counter; |
492 | counter = -counter; |
493 | goto out; |
493 | goto out; |
494 | } |
494 | } |
495 | counter += retval; |
495 | counter += retval; |
496 | } |
496 | } |
497 | 497 | ||
498 | j = i; |
498 | j = i; |
499 | /* parse modifiers */ |
499 | /* parse modifiers */ |
500 | flags = 0; |
500 | flags = 0; |
501 | end = 0; |
501 | end = 0; |
502 | 502 | ||
503 | do { |
503 | do { |
504 | ++i; |
504 | ++i; |
505 | switch (c = fmt[i]) { |
505 | switch (c = fmt[i]) { |
506 | case '#': |
506 | case '#': |
507 | flags |= __PRINTF_FLAG_PREFIX; |
507 | flags |= __PRINTF_FLAG_PREFIX; |
508 | break; |
508 | break; |
509 | case '-': |
509 | case '-': |
510 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
510 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
511 | break; |
511 | break; |
512 | case '+': |
512 | case '+': |
513 | flags |= __PRINTF_FLAG_SHOWPLUS; |
513 | flags |= __PRINTF_FLAG_SHOWPLUS; |
514 | break; |
514 | break; |
515 | case ' ': |
515 | case ' ': |
516 | flags |= __PRINTF_FLAG_SPACESIGN; |
516 | flags |= __PRINTF_FLAG_SPACESIGN; |
517 | break; |
517 | break; |
518 | case '0': |
518 | case '0': |
519 | flags |= __PRINTF_FLAG_ZEROPADDED; |
519 | flags |= __PRINTF_FLAG_ZEROPADDED; |
520 | break; |
520 | break; |
521 | default: |
521 | default: |
522 | end = 1; |
522 | end = 1; |
523 | }; |
523 | }; |
524 | 524 | ||
525 | } while (end == 0); |
525 | } while (end == 0); |
526 | 526 | ||
527 | /* width & '*' operator */ |
527 | /* width & '*' operator */ |
528 | width = 0; |
528 | width = 0; |
529 | if (isdigit(fmt[i])) { |
529 | if (isdigit(fmt[i])) { |
530 | while (isdigit(fmt[i])) { |
530 | while (isdigit(fmt[i])) { |
531 | width *= 10; |
531 | width *= 10; |
532 | width += fmt[i++] - '0'; |
532 | width += fmt[i++] - '0'; |
533 | } |
533 | } |
534 | } else if (fmt[i] == '*') { |
534 | } else if (fmt[i] == '*') { |
535 | /* get width value from argument list */ |
535 | /* get width value from argument list */ |
536 | i++; |
536 | i++; |
537 | width = (int) va_arg(ap, int); |
537 | width = (int) va_arg(ap, int); |
538 | if (width < 0) { |
538 | if (width < 0) { |
539 | /* negative width sets '-' flag */ |
539 | /* negative width sets '-' flag */ |
540 | width *= -1; |
540 | width *= -1; |
541 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
541 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
542 | } |
542 | } |
543 | } |
543 | } |
544 | 544 | ||
545 | /* precision and '*' operator */ |
545 | /* precision and '*' operator */ |
546 | precision = 0; |
546 | precision = 0; |
547 | if (fmt[i] == '.') { |
547 | if (fmt[i] == '.') { |
548 | ++i; |
548 | ++i; |
549 | if (isdigit(fmt[i])) { |
549 | if (isdigit(fmt[i])) { |
550 | while (isdigit(fmt[i])) { |
550 | while (isdigit(fmt[i])) { |
551 | precision *= 10; |
551 | precision *= 10; |
552 | precision += fmt[i++] - '0'; |
552 | precision += fmt[i++] - '0'; |
553 | } |
553 | } |
554 | } else if (fmt[i] == '*') { |
554 | } else if (fmt[i] == '*') { |
555 | /* |
555 | /* |
556 | * Get precision value from the argument |
556 | * Get precision value from the argument |
557 | * list. |
557 | * list. |
558 | */ |
558 | */ |
559 | i++; |
559 | i++; |
560 | precision = (int) va_arg(ap, int); |
560 | precision = (int) va_arg(ap, int); |
561 | if (precision < 0) { |
561 | if (precision < 0) { |
562 | /* ignore negative precision */ |
562 | /* ignore negative precision */ |
563 | precision = 0; |
563 | precision = 0; |
564 | } |
564 | } |
565 | } |
565 | } |
566 | } |
566 | } |
567 | 567 | ||
568 | switch (fmt[i++]) { |
568 | switch (fmt[i++]) { |
569 | /** @todo unimplemented qualifiers: |
569 | /** @todo unimplemented qualifiers: |
570 | * t ptrdiff_t - ISO C 99 |
570 | * t ptrdiff_t - ISO C 99 |
571 | */ |
571 | */ |
572 | case 'h': /* char or short */ |
572 | case 'h': /* char or short */ |
573 | qualifier = PrintfQualifierShort; |
573 | qualifier = PrintfQualifierShort; |
574 | if (fmt[i] == 'h') { |
574 | if (fmt[i] == 'h') { |
575 | i++; |
575 | i++; |
576 | qualifier = PrintfQualifierByte; |
576 | qualifier = PrintfQualifierByte; |
577 | } |
577 | } |
578 | break; |
578 | break; |
579 | case 'l': /* long or long long*/ |
579 | case 'l': /* long or long long*/ |
580 | qualifier = PrintfQualifierLong; |
580 | qualifier = PrintfQualifierLong; |
581 | if (fmt[i] == 'l') { |
581 | if (fmt[i] == 'l') { |
582 | i++; |
582 | i++; |
583 | qualifier = PrintfQualifierLongLong; |
583 | qualifier = PrintfQualifierLongLong; |
584 | } |
584 | } |
585 | break; |
585 | break; |
586 | default: |
586 | default: |
587 | /* default type */ |
587 | /* default type */ |
588 | qualifier = PrintfQualifierInt; |
588 | qualifier = PrintfQualifierInt; |
589 | --i; |
589 | --i; |
590 | } |
590 | } |
591 | 591 | ||
592 | base = 10; |
592 | base = 10; |
593 | 593 | ||
594 | switch (c = fmt[i]) { |
594 | switch (c = fmt[i]) { |
595 | 595 | ||
596 | /* |
596 | /* |
597 | * String and character conversions. |
597 | * String and character conversions. |
598 | */ |
598 | */ |
599 | case 's': |
599 | case 's': |
600 | if ((retval = print_string(va_arg(ap, char *), |
600 | if ((retval = print_string(va_arg(ap, char *), |
601 | width, precision, flags, ps)) < 0) { |
601 | width, precision, flags, ps)) < 0) { |
602 | counter = -counter; |
602 | counter = -counter; |
603 | goto out; |
603 | goto out; |
604 | }; |
604 | }; |
605 | 605 | ||
606 | counter += retval; |
606 | counter += retval; |
607 | j = i + 1; |
607 | j = i + 1; |
608 | goto next_char; |
608 | goto next_char; |
609 | case 'c': |
609 | case 'c': |
610 | c = va_arg(ap, unsigned int); |
610 | c = va_arg(ap, unsigned int); |
611 | retval = print_char(c, width, flags, ps); |
611 | retval = print_char(c, width, flags, ps); |
612 | if (retval < 0) { |
612 | if (retval < 0) { |
613 | counter = -counter; |
613 | counter = -counter; |
614 | goto out; |
614 | goto out; |
615 | }; |
615 | }; |
616 | 616 | ||
617 | counter += retval; |
617 | counter += retval; |
618 | j = i + 1; |
618 | j = i + 1; |
619 | goto next_char; |
619 | goto next_char; |
620 | 620 | ||
621 | /* |
621 | /* |
622 | * Integer values |
622 | * Integer values |
623 | */ |
623 | */ |
624 | case 'P': /* pointer */ |
624 | case 'P': /* pointer */ |
625 | flags |= __PRINTF_FLAG_BIGCHARS; |
625 | flags |= __PRINTF_FLAG_BIGCHARS; |
626 | case 'p': |
626 | case 'p': |
627 | flags |= __PRINTF_FLAG_PREFIX; |
627 | flags |= __PRINTF_FLAG_PREFIX; |
628 | base = 16; |
628 | base = 16; |
629 | qualifier = PrintfQualifierPointer; |
629 | qualifier = PrintfQualifierPointer; |
630 | break; |
630 | break; |
631 | case 'b': |
631 | case 'b': |
632 | base = 2; |
632 | base = 2; |
633 | break; |
633 | break; |
634 | case 'o': |
634 | case 'o': |
635 | base = 8; |
635 | base = 8; |
636 | break; |
636 | break; |
637 | case 'd': |
637 | case 'd': |
638 | case 'i': |
638 | case 'i': |
639 | flags |= __PRINTF_FLAG_SIGNED; |
639 | flags |= __PRINTF_FLAG_SIGNED; |
640 | case 'u': |
640 | case 'u': |
641 | break; |
641 | break; |
642 | case 'X': |
642 | case 'X': |
643 | flags |= __PRINTF_FLAG_BIGCHARS; |
643 | flags |= __PRINTF_FLAG_BIGCHARS; |
644 | case 'x': |
644 | case 'x': |
645 | base = 16; |
645 | base = 16; |
646 | break; |
646 | break; |
647 | /* percentile itself */ |
647 | /* percentile itself */ |
648 | case '%': |
648 | case '%': |
649 | j = i; |
649 | j = i; |
650 | goto next_char; |
650 | goto next_char; |
651 | /* |
651 | /* |
652 | * Bad formatting. |
652 | * Bad formatting. |
653 | */ |
653 | */ |
654 | default: |
654 | default: |
655 | /* |
655 | /* |
656 | * Unknown format. Now, j is the index of '%' |
656 | * Unknown format. Now, j is the index of '%' |
657 | * so we will print whole bad format sequence. |
657 | * so we will print whole bad format sequence. |
658 | */ |
658 | */ |
659 | goto next_char; |
659 | goto next_char; |
660 | } |
660 | } |
661 | 661 | ||
662 | 662 | ||
663 | /* Print integers */ |
663 | /* Print integers */ |
664 | /* print number */ |
664 | /* print number */ |
665 | switch (qualifier) { |
665 | switch (qualifier) { |
666 | case PrintfQualifierByte: |
666 | case PrintfQualifierByte: |
667 | size = sizeof(unsigned char); |
667 | size = sizeof(unsigned char); |
668 | number = (uint64_t) va_arg(ap, unsigned int); |
668 | number = (uint64_t) va_arg(ap, unsigned int); |
669 | break; |
669 | break; |
670 | case PrintfQualifierShort: |
670 | case PrintfQualifierShort: |
671 | size = sizeof(unsigned short); |
671 | size = sizeof(unsigned short); |
672 | number = (uint64_t) va_arg(ap, unsigned int); |
672 | number = (uint64_t) va_arg(ap, unsigned int); |
673 | break; |
673 | break; |
674 | case PrintfQualifierInt: |
674 | case PrintfQualifierInt: |
675 | size = sizeof(unsigned int); |
675 | size = sizeof(unsigned int); |
676 | number = (uint64_t) va_arg(ap, unsigned int); |
676 | number = (uint64_t) va_arg(ap, unsigned int); |
677 | break; |
677 | break; |
678 | case PrintfQualifierLong: |
678 | case PrintfQualifierLong: |
679 | size = sizeof(unsigned long); |
679 | size = sizeof(unsigned long); |
680 | number = (uint64_t) va_arg(ap, unsigned long); |
680 | number = (uint64_t) va_arg(ap, unsigned long); |
681 | break; |
681 | break; |
682 | case PrintfQualifierLongLong: |
682 | case PrintfQualifierLongLong: |
683 | size = sizeof(unsigned long long); |
683 | size = sizeof(unsigned long long); |
684 | number = (uint64_t) va_arg(ap, unsigned long long); |
684 | number = (uint64_t) va_arg(ap, unsigned long long); |
685 | break; |
685 | break; |
686 | case PrintfQualifierPointer: |
686 | case PrintfQualifierPointer: |
687 | size = sizeof(void *); |
687 | size = sizeof(void *); |
688 | number = (uint64_t) (unsigned long) va_arg(ap, void *); |
688 | number = (uint64_t) (unsigned long) va_arg(ap, void *); |
689 | break; |
689 | break; |
690 | default: /* Unknown qualifier */ |
690 | default: /* Unknown qualifier */ |
691 | counter = -counter; |
691 | counter = -counter; |
692 | goto out; |
692 | goto out; |
693 | } |
693 | } |
694 | 694 | ||
695 | if (flags & __PRINTF_FLAG_SIGNED) { |
695 | if (flags & __PRINTF_FLAG_SIGNED) { |
696 | if (number & (0x1 << (size * 8 - 1))) { |
696 | if (number & (0x1 << (size * 8 - 1))) { |
697 | flags |= __PRINTF_FLAG_NEGATIVE; |
697 | flags |= __PRINTF_FLAG_NEGATIVE; |
698 | 698 | ||
699 | if (size == sizeof(uint64_t)) { |
699 | if (size == sizeof(uint64_t)) { |
700 | number = -((int64_t) number); |
700 | number = -((int64_t) number); |
701 | } else { |
701 | } else { |
702 | number = ~number; |
702 | number = ~number; |
703 | number &= |
703 | number &= |
704 | ~(0xFFFFFFFFFFFFFFFFll << |
704 | ~(0xFFFFFFFFFFFFFFFFll << |
705 | (size * 8)); |
705 | (size * 8)); |
706 | number++; |
706 | number++; |
707 | } |
707 | } |
708 | } |
708 | } |
709 | } |
709 | } |
710 | 710 | ||
711 | if ((retval = print_number(number, width, precision, |
711 | if ((retval = print_number(number, width, precision, |
712 | base, flags, ps)) < 0) { |
712 | base, flags, ps)) < 0) { |
713 | counter = -counter; |
713 | counter = -counter; |
714 | goto out; |
714 | goto out; |
715 | } |
715 | } |
716 | 716 | ||
717 | counter += retval; |
717 | counter += retval; |
718 | j = i + 1; |
718 | j = i + 1; |
719 | } |
719 | } |
720 | next_char: |
720 | next_char: |
721 | 721 | ||
722 | ++i; |
722 | ++i; |
723 | } |
723 | } |
724 | 724 | ||
725 | if (i > j) { |
725 | if (i > j) { |
726 | if ((retval = printf_putnchars(&fmt[j], (unative_t) (i - j), |
726 | if ((retval = printf_putnchars(&fmt[j], (unative_t) (i - j), |
727 | ps)) < 0) { /* error */ |
727 | ps)) < 0) { /* error */ |
728 | counter = -counter; |
728 | counter = -counter; |
729 | goto out; |
729 | goto out; |
730 | 730 | ||
731 | } |
731 | } |
732 | counter += retval; |
732 | counter += retval; |
733 | } |
733 | } |
734 | 734 | ||
735 | out: |
735 | out: |
736 | return counter; |
736 | return counter; |
737 | } |
737 | } |
738 | 738 | ||
739 | /** @} |
739 | /** @} |
740 | */ |
740 | */ |
741 | 741 |