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