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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 | PrintfQualifierNative, |
78 | PrintfQualifierNative, |
| 79 | PrintfQualifierPointer |
79 | PrintfQualifierPointer |
| 80 | } qualifier_t; |
80 | } qualifier_t; |
| 81 | 81 | ||
| 82 | static char digits_small[] = "0123456789abcdef"; |
82 | static char digits_small[] = "0123456789abcdef"; |
| 83 | static char digits_big[] = "0123456789ABCDEF"; |
83 | static char digits_big[] = "0123456789ABCDEF"; |
| 84 | 84 | ||
| 85 | /** Print one or more characters without adding newline. |
85 | /** Print one or more characters without adding newline. |
| 86 | * |
86 | * |
| 87 | * @param buf Buffer with size at least count bytes. NULL pointer is |
87 | * @param buf Buffer with size at least count bytes. NULL pointer is |
| 88 | * not allowed! |
88 | * not allowed! |
| 89 | * @param count Number of characters to print. |
89 | * @param count Number of characters to print. |
| 90 | * @param ps Output method and its data. |
90 | * @param ps Output method and its data. |
| 91 | * @return Number of characters printed. |
91 | * @return Number of characters printed. |
| 92 | */ |
92 | */ |
| 93 | static int printf_putnchars(const char * buf, size_t count, |
93 | static int printf_putnchars(const char * buf, size_t count, |
| 94 | struct printf_spec *ps) |
94 | struct printf_spec *ps) |
| 95 | { |
95 | { |
| 96 | return ps->write((void *)buf, count, ps->data); |
96 | return ps->write((void *) buf, count, ps->data); |
| 97 | } |
97 | } |
| 98 | 98 | ||
| 99 | /** Print a string without adding a newline. |
99 | /** Print a string without adding a newline. |
| 100 | * |
100 | * |
| 101 | * @param str String to print. |
101 | * @param str String to print. |
| 102 | * @param ps Write function specification and support data. |
102 | * @param ps Write function specification and support data. |
| 103 | * @return Number of characters printed. |
103 | * @return Number of characters printed. |
| 104 | */ |
104 | */ |
| 105 | static int printf_putstr(const char * str, struct printf_spec *ps) |
105 | static int printf_putstr(const char * str, struct printf_spec *ps) |
| 106 | { |
106 | { |
| 107 | size_t count; |
107 | size_t count; |
| 108 | 108 | ||
| 109 | if (str == NULL) { |
109 | if (str == NULL) { |
| 110 | char *nullstr = "(NULL)"; |
110 | char *nullstr = "(NULL)"; |
| 111 | return printf_putnchars(nullstr, strlen(nullstr), ps); |
111 | return printf_putnchars(nullstr, strlen(nullstr), ps); |
| 112 | } |
112 | } |
| 113 | 113 | ||
| 114 | count = strlen(str); |
114 | count = strlen(str); |
| 115 | 115 | ||
| 116 | return ps->write((void *) str, count, ps->data); |
116 | return ps->write((void *) str, count, ps->data); |
| 117 | } |
117 | } |
| 118 | 118 | ||
| 119 | /** Print one character. |
119 | /** Print one character. |
| 120 | * |
120 | * |
| 121 | * @param c Character to be printed. |
121 | * @param c Character to be printed. |
| 122 | * @param ps Output method. |
122 | * @param ps Output method. |
| 123 | * |
123 | * |
| 124 | * @return Number of characters printed. |
124 | * @return Number of characters printed. |
| 125 | */ |
125 | */ |
| 126 | static int printf_putchar(int c, struct printf_spec *ps) |
126 | static int printf_putchar(int c, struct printf_spec *ps) |
| 127 | { |
127 | { |
| 128 | unsigned char ch = c; |
128 | unsigned char ch = c; |
| 129 | 129 | ||
| 130 | return ps->write((void *) &ch, 1, ps->data); |
130 | return ps->write((void *) &ch, 1, ps->data); |
| 131 | } |
131 | } |
| 132 | 132 | ||
| 133 | /** Print one formatted character. |
133 | /** Print one formatted character. |
| 134 | * |
134 | * |
| 135 | * @param c Character to print. |
135 | * @param c Character to print. |
| 136 | * @param width Width modifier. |
136 | * @param width Width modifier. |
| 137 | * @param flags Flags that change the way the character is printed. |
137 | * @param flags Flags that change the way the character is printed. |
| 138 | * |
138 | * |
| 139 | * @return Number of characters printed, negative value on failure. |
139 | * @return Number of characters printed, negative value on failure. |
| 140 | */ |
140 | */ |
| 141 | static int print_char(char c, int width, uint64_t flags, struct printf_spec *ps) |
141 | static int print_char(char c, int width, uint64_t flags, struct printf_spec *ps) |
| 142 | { |
142 | { |
| 143 | int counter = 0; |
143 | int counter = 0; |
| 144 | 144 | ||
| 145 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
145 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
| 146 | while (--width > 0) { |
146 | while (--width > 0) { |
| 147 | /* |
147 | /* |
| 148 | * One space is consumed by the character itself, hence |
148 | * One space is consumed by the character itself, hence |
| 149 | * the predecrement. |
149 | * the predecrement. |
| 150 | */ |
150 | */ |
| 151 | if (printf_putchar(' ', ps) > 0) |
151 | if (printf_putchar(' ', ps) > 0) |
| 152 | ++counter; |
152 | ++counter; |
| 153 | } |
153 | } |
| 154 | } |
154 | } |
| 155 | 155 | ||
| 156 | if (printf_putchar(c, ps) > 0) |
156 | if (printf_putchar(c, ps) > 0) |
| 157 | counter++; |
157 | counter++; |
| 158 | 158 | ||
| 159 | while (--width > 0) { |
159 | while (--width > 0) { |
| 160 | /* |
160 | /* |
| 161 | * One space is consumed by the character itself, hence |
161 | * One space is consumed by the character itself, hence |
| 162 | * the predecrement. |
162 | * the predecrement. |
| 163 | */ |
163 | */ |
| 164 | if (printf_putchar(' ', ps) > 0) |
164 | if (printf_putchar(' ', ps) > 0) |
| 165 | ++counter; |
165 | ++counter; |
| 166 | } |
166 | } |
| 167 | 167 | ||
| 168 | return ++counter; |
168 | return ++counter; |
| 169 | } |
169 | } |
| 170 | 170 | ||
| 171 | /** Print string. |
171 | /** Print string. |
| 172 | * |
172 | * |
| 173 | * @param s String to be printed. |
173 | * @param s String to be printed. |
| 174 | * @param width Width modifier. |
174 | * @param width Width modifier. |
| 175 | * @param precision Precision modifier. |
175 | * @param precision Precision modifier. |
| 176 | * @param flags Flags that modify the way the string is printed. |
176 | * @param flags Flags that modify the way the string is printed. |
| 177 | * |
177 | * |
| 178 | * @return Number of characters printed, negative value on failure. |
178 | * @return Number of characters printed, negative value on failure. |
| 179 | */ |
179 | */ |
| 180 | static int print_string(char *s, int width, int precision, uint64_t flags, |
180 | static int print_string(char *s, int width, unsigned int precision, |
| 181 | struct printf_spec *ps) |
181 | uint64_t flags, struct printf_spec *ps) |
| 182 | { |
182 | { |
| 183 | int counter = 0; |
183 | int counter = 0; |
| 184 | size_t size; |
184 | size_t size; |
| 185 | int retval; |
185 | int retval; |
| 186 | 186 | ||
| 187 | if (s == NULL) { |
187 | if (s == NULL) { |
| 188 | return printf_putstr("(NULL)", ps); |
188 | return printf_putstr("(NULL)", ps); |
| 189 | } |
189 | } |
| 190 | 190 | ||
| 191 | size = strlen(s); |
191 | size = strlen(s); |
| 192 | 192 | ||
| 193 | /* print leading spaces */ |
193 | /* print leading spaces */ |
| 194 | 194 | ||
| 195 | if (precision == 0) |
195 | if (precision == 0) |
| 196 | precision = size; |
196 | precision = size; |
| 197 | 197 | ||
| 198 | width -= precision; |
198 | width -= precision; |
| 199 | 199 | ||
| 200 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
200 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
| 201 | while (width-- > 0) { |
201 | while (width-- > 0) { |
| 202 | if (printf_putchar(' ', ps) == 1) |
202 | if (printf_putchar(' ', ps) == 1) |
| 203 | counter++; |
203 | counter++; |
| 204 | } |
204 | } |
| 205 | } |
205 | } |
| 206 | 206 | ||
| 207 | if ((retval = printf_putnchars(s, min(size, precision), ps)) < 0) { |
207 | if ((retval = printf_putnchars(s, min(size, precision), ps)) < 0) { |
| 208 | return -counter; |
208 | return -counter; |
| 209 | } |
209 | } |
| 210 | counter += retval; |
210 | counter += retval; |
| 211 | 211 | ||
| 212 | while (width-- > 0) { |
212 | while (width-- > 0) { |
| 213 | if (printf_putchar(' ', ps) == 1) |
213 | if (printf_putchar(' ', ps) == 1) |
| 214 | ++counter; |
214 | ++counter; |
| 215 | } |
215 | } |
| 216 | 216 | ||
| 217 | return counter; |
217 | return counter; |
| 218 | } |
218 | } |
| 219 | 219 | ||
| 220 | 220 | ||
| 221 | /** Print a number in a given base. |
221 | /** Print a number in a given base. |
| 222 | * |
222 | * |
| 223 | * Print significant digits of a number in given base. |
223 | * Print significant digits of a number in given base. |
| 224 | * |
224 | * |
| 225 | * @param num Number to print. |
225 | * @param num Number to print. |
| 226 | * @param widt Width modifier.h |
226 | * @param widt Width modifier.h |
| 227 | * @param precision Precision modifier. |
227 | * @param precision Precision modifier. |
| 228 | * @param base Base to print the number in (must be between 2 and 16). |
228 | * @param base Base to print the number in (must be between 2 and 16). |
| 229 | * @param flags Flags that modify the way the number is printed. |
229 | * @param flags Flags that modify the way the number is printed. |
| 230 | * |
230 | * |
| 231 | * @return Number of characters printed. |
231 | * @return Number of characters printed. |
| 232 | * |
232 | * |
| 233 | */ |
233 | */ |
| 234 | static int print_number(uint64_t num, int width, int precision, int base, |
234 | static int print_number(uint64_t num, int width, int precision, int base, |
| 235 | uint64_t flags, struct printf_spec *ps) |
235 | uint64_t flags, struct printf_spec *ps) |
| 236 | { |
236 | { |
| 237 | char *digits = digits_small; |
237 | char *digits = digits_small; |
| 238 | char d[PRINT_NUMBER_BUFFER_SIZE]; |
238 | char d[PRINT_NUMBER_BUFFER_SIZE]; |
| 239 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
239 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
| 240 | int size = 0; /* size of number with all prefixes and signs */ |
240 | int size = 0; /* size of number with all prefixes and signs */ |
| 241 | int number_size; /* size of plain number */ |
241 | int number_size; /* size of plain number */ |
| 242 | char sgn; |
242 | char sgn; |
| 243 | int retval; |
243 | int retval; |
| 244 | int counter = 0; |
244 | int counter = 0; |
| 245 | 245 | ||
| 246 | if (flags & __PRINTF_FLAG_BIGCHARS) |
246 | if (flags & __PRINTF_FLAG_BIGCHARS) |
| 247 | digits = digits_big; |
247 | digits = digits_big; |
| 248 | 248 | ||
| 249 | *ptr-- = 0; /* Put zero at end of string */ |
249 | *ptr-- = 0; /* Put zero at end of string */ |
| 250 | 250 | ||
| 251 | if (num == 0) { |
251 | if (num == 0) { |
| 252 | *ptr-- = '0'; |
252 | *ptr-- = '0'; |
| 253 | size++; |
253 | size++; |
| 254 | } else { |
254 | } else { |
| 255 | do { |
255 | do { |
| 256 | *ptr-- = digits[num % base]; |
256 | *ptr-- = digits[num % base]; |
| 257 | size++; |
257 | size++; |
| 258 | } while (num /= base); |
258 | } while (num /= base); |
| 259 | } |
259 | } |
| 260 | 260 | ||
| 261 | number_size = size; |
261 | number_size = size; |
| 262 | 262 | ||
| 263 | /* |
263 | /* |
| 264 | * Collect the sum of all prefixes/signs/... to calculate padding and |
264 | * Collect the sum of all prefixes/signs/... to calculate padding and |
| 265 | * leading zeroes. |
265 | * leading zeroes. |
| 266 | */ |
266 | */ |
| 267 | if (flags & __PRINTF_FLAG_PREFIX) { |
267 | if (flags & __PRINTF_FLAG_PREFIX) { |
| 268 | switch(base) { |
268 | switch(base) { |
| 269 | case 2: /* Binary formating is not standard, but usefull */ |
269 | case 2: /* Binary formating is not standard, but usefull */ |
| 270 | size += 2; |
270 | size += 2; |
| 271 | break; |
271 | break; |
| 272 | case 8: |
272 | case 8: |
| 273 | size++; |
273 | size++; |
| 274 | break; |
274 | break; |
| 275 | case 16: |
275 | case 16: |
| 276 | size += 2; |
276 | size += 2; |
| 277 | break; |
277 | break; |
| 278 | } |
278 | } |
| 279 | } |
279 | } |
| 280 | 280 | ||
| 281 | sgn = 0; |
281 | sgn = 0; |
| 282 | if (flags & __PRINTF_FLAG_SIGNED) { |
282 | if (flags & __PRINTF_FLAG_SIGNED) { |
| 283 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
283 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
| 284 | sgn = '-'; |
284 | sgn = '-'; |
| 285 | size++; |
285 | size++; |
| 286 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
286 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
| 287 | sgn = '+'; |
287 | sgn = '+'; |
| 288 | size++; |
288 | size++; |
| 289 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
289 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
| 290 | sgn = ' '; |
290 | sgn = ' '; |
| 291 | size++; |
291 | size++; |
| 292 | } |
292 | } |
| 293 | } |
293 | } |
| 294 | 294 | ||
| 295 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
295 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
| 296 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
296 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
| 297 | } |
297 | } |
| 298 | 298 | ||
| 299 | /* |
299 | /* |
| 300 | * If the number is leftaligned or precision is specified then |
300 | * If the number is leftaligned or precision is specified then |
| 301 | * zeropadding is ignored. |
301 | * zeropadding is ignored. |
| 302 | */ |
302 | */ |
| 303 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
303 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
| 304 | if ((precision == 0) && (width > size)) { |
304 | if ((precision == 0) && (width > size)) { |
| 305 | precision = width - size + number_size; |
305 | precision = width - size + number_size; |
| 306 | } |
306 | } |
| 307 | } |
307 | } |
| 308 | 308 | ||
| 309 | /* print leading spaces */ |
309 | /* print leading spaces */ |
| 310 | if (number_size > precision) { |
310 | if (number_size > precision) { |
| 311 | /* print the whole number not only a part */ |
311 | /* print the whole number not only a part */ |
| 312 | precision = number_size; |
312 | precision = number_size; |
| 313 | } |
313 | } |
| 314 | 314 | ||
| 315 | width -= precision + size - number_size; |
315 | width -= precision + size - number_size; |
| 316 | 316 | ||
| 317 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
317 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
| 318 | while (width-- > 0) { |
318 | while (width-- > 0) { |
| 319 | if (printf_putchar(' ', ps) == 1) |
319 | if (printf_putchar(' ', ps) == 1) |
| 320 | counter++; |
320 | counter++; |
| 321 | } |
321 | } |
| 322 | } |
322 | } |
| 323 | 323 | ||
| 324 | 324 | ||
| 325 | /* print sign */ |
325 | /* print sign */ |
| 326 | if (sgn) { |
326 | if (sgn) { |
| 327 | if (printf_putchar(sgn, ps) == 1) |
327 | if (printf_putchar(sgn, ps) == 1) |
| 328 | counter++; |
328 | counter++; |
| 329 | } |
329 | } |
| 330 | 330 | ||
| 331 | /* print prefix */ |
331 | /* print prefix */ |
| 332 | 332 | ||
| 333 | if (flags & __PRINTF_FLAG_PREFIX) { |
333 | if (flags & __PRINTF_FLAG_PREFIX) { |
| 334 | switch(base) { |
334 | switch(base) { |
| 335 | case 2: /* Binary formating is not standard, but usefull */ |
335 | case 2: /* Binary formating is not standard, but usefull */ |
| 336 | if (printf_putchar('0', ps) == 1) |
336 | if (printf_putchar('0', ps) == 1) |
| 337 | counter++; |
337 | counter++; |
| 338 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
338 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
| 339 | if (printf_putchar('B', ps) == 1) |
339 | if (printf_putchar('B', ps) == 1) |
| 340 | counter++; |
340 | counter++; |
| 341 | } else { |
341 | } else { |
| 342 | if (printf_putchar('b', ps) == 1) |
342 | if (printf_putchar('b', ps) == 1) |
| 343 | counter++; |
343 | counter++; |
| 344 | } |
344 | } |
| 345 | break; |
345 | break; |
| 346 | case 8: |
346 | case 8: |
| 347 | if (printf_putchar('o', ps) == 1) |
347 | if (printf_putchar('o', ps) == 1) |
| 348 | counter++; |
348 | counter++; |
| 349 | break; |
349 | break; |
| 350 | case 16: |
350 | case 16: |
| 351 | if (printf_putchar('0', ps) == 1) |
351 | if (printf_putchar('0', ps) == 1) |
| 352 | counter++; |
352 | counter++; |
| 353 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
353 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
| 354 | if (printf_putchar('X', ps) == 1) |
354 | if (printf_putchar('X', ps) == 1) |
| 355 | counter++; |
355 | counter++; |
| 356 | } else { |
356 | } else { |
| 357 | if (printf_putchar('x', ps) == 1) |
357 | if (printf_putchar('x', ps) == 1) |
| 358 | counter++; |
358 | counter++; |
| 359 | } |
359 | } |
| 360 | break; |
360 | break; |
| 361 | } |
361 | } |
| 362 | } |
362 | } |
| 363 | 363 | ||
| 364 | /* print leading zeroes */ |
364 | /* print leading zeroes */ |
| 365 | precision -= number_size; |
365 | precision -= number_size; |
| 366 | while (precision-- > 0) { |
366 | while (precision-- > 0) { |
| 367 | if (printf_putchar('0', ps) == 1) |
367 | if (printf_putchar('0', ps) == 1) |
| 368 | counter++; |
368 | counter++; |
| 369 | } |
369 | } |
| 370 | 370 | ||
| 371 | 371 | ||
| 372 | /* print number itself */ |
372 | /* print number itself */ |
| 373 | 373 | ||
| 374 | if ((retval = printf_putstr(++ptr, ps)) > 0) { |
374 | if ((retval = printf_putstr(++ptr, ps)) > 0) { |
| 375 | counter += retval; |
375 | counter += retval; |
| 376 | } |
376 | } |
| 377 | 377 | ||
| 378 | /* print ending spaces */ |
378 | /* print ending spaces */ |
| 379 | 379 | ||
| 380 | while (width-- > 0) { |
380 | while (width-- > 0) { |
| 381 | if (printf_putchar(' ', ps) == 1) |
381 | if (printf_putchar(' ', ps) == 1) |
| 382 | counter++; |
382 | counter++; |
| 383 | } |
383 | } |
| 384 | 384 | ||
| 385 | return counter; |
385 | return counter; |
| 386 | } |
386 | } |
| 387 | 387 | ||
| 388 | 388 | ||
| 389 | /** Print formatted string. |
389 | /** Print formatted string. |
| 390 | * |
390 | * |
| 391 | * Print string formatted according to the fmt parameter and variadic arguments. |
391 | * Print string formatted according to the fmt parameter and variadic arguments. |
| 392 | * Each formatting directive must have the following form: |
392 | * Each formatting directive must have the following form: |
| 393 | * |
393 | * |
| 394 | * \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
394 | * \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
| 395 | * |
395 | * |
| 396 | * FLAGS:@n |
396 | * FLAGS:@n |
| 397 | * - "#" Force to print prefix.For \%o conversion, the prefix is 0, for |
397 | * - "#" Force to print prefix.For \%o conversion, the prefix is 0, for |
| 398 | * \%x and \%X prefixes are 0x and 0X and for conversion \%b the |
398 | * \%x and \%X prefixes are 0x and 0X and for conversion \%b the |
| 399 | * prefix is 0b. |
399 | * prefix is 0b. |
| 400 | * |
400 | * |
| 401 | * - "-" Align to left. |
401 | * - "-" Align to left. |
| 402 | * |
402 | * |
| 403 | * - "+" Print positive sign just as negative. |
403 | * - "+" Print positive sign just as negative. |
| 404 | * |
404 | * |
| 405 | * - " " If the printed number is positive and "+" flag is not set, |
405 | * - " " If the printed number is positive and "+" flag is not set, |
| 406 | * print space in place of sign. |
406 | * print space in place of sign. |
| 407 | * |
407 | * |
| 408 | * - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
408 | * - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
| 409 | * sign and the rest of the number. This flag is ignored if "-" |
409 | * sign and the rest of the number. This flag is ignored if "-" |
| 410 | * flag is specified. |
410 | * flag is specified. |
| 411 | * |
411 | * |
| 412 | * WIDTH:@n |
412 | * WIDTH:@n |
| 413 | * - Specify the minimal width of a printed argument. If it is bigger, |
413 | * - Specify the minimal width of a printed argument. If it is bigger, |
| 414 | * width is ignored. If width is specified with a "*" character instead of |
414 | * width is ignored. If width is specified with a "*" character instead of |
| 415 | * number, width is taken from parameter list. And integer parameter is |
415 | * number, width is taken from parameter list. And integer parameter is |
| 416 | * expected before parameter for processed conversion specification. If |
416 | * expected before parameter for processed conversion specification. If |
| 417 | * this value is negative its absolute value is taken and the "-" flag is |
417 | * this value is negative its absolute value is taken and the "-" flag is |
| 418 | * set. |
418 | * set. |
| 419 | * |
419 | * |
| 420 | * PRECISION:@n |
420 | * PRECISION:@n |
| 421 | * - Value precision. For numbers it specifies minimum valid numbers. |
421 | * - Value precision. For numbers it specifies minimum valid numbers. |
| 422 | * Smaller numbers are printed with leading zeroes. Bigger numbers are not |
422 | * Smaller numbers are printed with leading zeroes. Bigger numbers are not |
| 423 | * affected. Strings with more than precision characters are cut off. Just |
423 | * affected. Strings with more than precision characters are cut off. Just |
| 424 | * as with width, an "*" can be used used instead of a number. An integer |
424 | * as with width, an "*" can be used used instead of a number. An integer |
| 425 | * value is then expected in parameters. When both width and precision are |
425 | * value is then expected in parameters. When both width and precision are |
| 426 | * specified using "*", the first parameter is used for width and the |
426 | * specified using "*", the first parameter is used for width and the |
| 427 | * second one for precision. |
427 | * second one for precision. |
| 428 | * |
428 | * |
| 429 | * TYPE:@n |
429 | * TYPE:@n |
| 430 | * - "hh" Signed or unsigned char.@n |
430 | * - "hh" Signed or unsigned char.@n |
| 431 | * - "h" Signed or unsigned short.@n |
431 | * - "h" Signed or unsigned short.@n |
| 432 | * - "" Signed or unsigned int (default value).@n |
432 | * - "" Signed or unsigned int (default value).@n |
| 433 | * - "l" Signed or unsigned long int.@n |
433 | * - "l" Signed or unsigned long int.@n |
| 434 | * - "ll" Signed or unsigned long long int.@n |
434 | * - "ll" Signed or unsigned long long int.@n |
| 435 | * - "z" unative_t (non-standard extension).@n |
435 | * - "z" unative_t (non-standard extension).@n |
| 436 | * |
436 | * |
| 437 | * |
437 | * |
| 438 | * CONVERSION:@n |
438 | * CONVERSION:@n |
| 439 | * - % Print percentile character itself. |
439 | * - % Print percentile character itself. |
| 440 | * |
440 | * |
| 441 | * - c Print single character. |
441 | * - c Print single character. |
| 442 | * |
442 | * |
| 443 | * - s Print zero terminated string. If a NULL value is passed as |
443 | * - s Print zero terminated string. If a NULL value is passed as |
| 444 | * value, "(NULL)" is printed instead. |
444 | * value, "(NULL)" is printed instead. |
| 445 | * |
445 | * |
| 446 | * - P, p Print value of a pointer. Void * value is expected and it is |
446 | * - P, p Print value of a pointer. Void * value is expected and it is |
| 447 | * printed in hexadecimal notation with prefix (as with \%#X / \%#x |
447 | * printed in hexadecimal notation with prefix (as with \%#X / \%#x |
| 448 | * for 32-bit or \%#X / \%#x for 64-bit long pointers). |
448 | * for 32-bit or \%#X / \%#x for 64-bit long pointers). |
| 449 | * |
449 | * |
| 450 | * - b Print value as unsigned binary number. Prefix is not printed by |
450 | * - b Print value as unsigned binary number. Prefix is not printed by |
| 451 | * default. (Nonstandard extension.) |
451 | * default. (Nonstandard extension.) |
| 452 | * |
452 | * |
| 453 | * - o Print value as unsigned octal number. Prefix is not printed by |
453 | * - o Print value as unsigned octal number. Prefix is not printed by |
| 454 | * default. |
454 | * default. |
| 455 | * |
455 | * |
| 456 | * - d, i Print signed decimal number. There is no difference between d |
456 | * - d, i Print signed decimal number. There is no difference between d |
| 457 | * and i conversion. |
457 | * and i conversion. |
| 458 | * |
458 | * |
| 459 | * - u Print unsigned decimal number. |
459 | * - u Print unsigned decimal number. |
| 460 | * |
460 | * |
| 461 | * - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
461 | * - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
| 462 | * not printed by default. |
462 | * not printed by default. |
| 463 | * |
463 | * |
| 464 | * All other characters from fmt except the formatting directives are printed in |
464 | * All other characters from fmt except the formatting directives are printed in |
| 465 | * verbatim. |
465 | * verbatim. |
| 466 | * |
466 | * |
| 467 | * @param fmt Formatting NULL terminated string. |
467 | * @param fmt Formatting NULL terminated string. |
| 468 | * @return Number of characters printed, negative value on failure. |
468 | * @return Number of characters printed, negative value on failure. |
| 469 | */ |
469 | */ |
| 470 | int printf_core(const char *fmt, struct printf_spec *ps, va_list ap) |
470 | int printf_core(const char *fmt, struct printf_spec *ps, va_list ap) |
| 471 | { |
471 | { |
| 472 | int i = 0; /* index of the currently processed char from fmt */ |
472 | int i = 0; /* index of the currently processed char from fmt */ |
| 473 | int j = 0; /* index to the first not printed nonformating character */ |
473 | int j = 0; /* index to the first not printed nonformating character */ |
| 474 | int end; |
474 | int end; |
| 475 | int counter; /* counter of printed characters */ |
475 | int counter; /* counter of printed characters */ |
| 476 | int retval; /* used to store return values from called functions */ |
476 | int retval; /* used to store return values from called functions */ |
| 477 | char c; |
477 | char c; |
| 478 | qualifier_t qualifier; /* type of argument */ |
478 | qualifier_t qualifier; /* type of argument */ |
| 479 | int base; /* base in which a numeric parameter will be printed */ |
479 | int base; /* base in which a numeric parameter will be printed */ |
| 480 | uint64_t number; /* argument value */ |
480 | uint64_t number; /* argument value */ |
| 481 | size_t size; /* byte size of integer parameter */ |
481 | size_t size; /* byte size of integer parameter */ |
| 482 | int width, precision; |
482 | int width, precision; |
| 483 | uint64_t flags; |
483 | uint64_t flags; |
| 484 | 484 | ||
| 485 | counter = 0; |
485 | counter = 0; |
| 486 | 486 | ||
| 487 | while ((c = fmt[i])) { |
487 | while ((c = fmt[i])) { |
| 488 | /* control character */ |
488 | /* control character */ |
| 489 | if (c == '%' ) { |
489 | if (c == '%' ) { |
| 490 | /* print common characters if any processed */ |
490 | /* print common characters if any processed */ |
| 491 | if (i > j) { |
491 | if (i > j) { |
| 492 | if ((retval = printf_putnchars(&fmt[j], |
492 | if ((retval = printf_putnchars(&fmt[j], |
| 493 | (size_t)(i - j), ps)) < 0) { /* error */ |
493 | (size_t)(i - j), ps)) < 0) { /* error */ |
| 494 | counter = -counter; |
494 | counter = -counter; |
| 495 | goto out; |
495 | goto out; |
| 496 | } |
496 | } |
| 497 | counter += retval; |
497 | counter += retval; |
| 498 | } |
498 | } |
| 499 | 499 | ||
| 500 | j = i; |
500 | j = i; |
| 501 | /* parse modifiers */ |
501 | /* parse modifiers */ |
| 502 | flags = 0; |
502 | flags = 0; |
| 503 | end = 0; |
503 | end = 0; |
| 504 | 504 | ||
| 505 | do { |
505 | do { |
| 506 | ++i; |
506 | ++i; |
| 507 | switch (c = fmt[i]) { |
507 | switch (c = fmt[i]) { |
| 508 | case '#': |
508 | case '#': |
| 509 | flags |= __PRINTF_FLAG_PREFIX; |
509 | flags |= __PRINTF_FLAG_PREFIX; |
| 510 | break; |
510 | break; |
| 511 | case '-': |
511 | case '-': |
| 512 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
512 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
| 513 | break; |
513 | break; |
| 514 | case '+': |
514 | case '+': |
| 515 | flags |= __PRINTF_FLAG_SHOWPLUS; |
515 | flags |= __PRINTF_FLAG_SHOWPLUS; |
| 516 | break; |
516 | break; |
| 517 | case ' ': |
517 | case ' ': |
| 518 | flags |= __PRINTF_FLAG_SPACESIGN; |
518 | flags |= __PRINTF_FLAG_SPACESIGN; |
| 519 | break; |
519 | break; |
| 520 | case '0': |
520 | case '0': |
| 521 | flags |= __PRINTF_FLAG_ZEROPADDED; |
521 | flags |= __PRINTF_FLAG_ZEROPADDED; |
| 522 | break; |
522 | break; |
| 523 | default: |
523 | default: |
| 524 | end = 1; |
524 | end = 1; |
| 525 | }; |
525 | }; |
| 526 | 526 | ||
| 527 | } while (end == 0); |
527 | } while (end == 0); |
| 528 | 528 | ||
| 529 | /* width & '*' operator */ |
529 | /* width & '*' operator */ |
| 530 | width = 0; |
530 | width = 0; |
| 531 | if (isdigit(fmt[i])) { |
531 | if (isdigit(fmt[i])) { |
| 532 | while (isdigit(fmt[i])) { |
532 | while (isdigit(fmt[i])) { |
| 533 | width *= 10; |
533 | width *= 10; |
| 534 | width += fmt[i++] - '0'; |
534 | width += fmt[i++] - '0'; |
| 535 | } |
535 | } |
| 536 | } else if (fmt[i] == '*') { |
536 | } else if (fmt[i] == '*') { |
| 537 | /* get width value from argument list */ |
537 | /* get width value from argument list */ |
| 538 | i++; |
538 | i++; |
| 539 | width = (int)va_arg(ap, int); |
539 | width = (int)va_arg(ap, int); |
| 540 | if (width < 0) { |
540 | if (width < 0) { |
| 541 | /* negative width sets '-' flag */ |
541 | /* negative width sets '-' flag */ |
| 542 | width *= -1; |
542 | width *= -1; |
| 543 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
543 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
| 544 | } |
544 | } |
| 545 | } |
545 | } |
| 546 | 546 | ||
| 547 | /* precision and '*' operator */ |
547 | /* precision and '*' operator */ |
| 548 | precision = 0; |
548 | precision = 0; |
| 549 | if (fmt[i] == '.') { |
549 | if (fmt[i] == '.') { |
| 550 | ++i; |
550 | ++i; |
| 551 | if (isdigit(fmt[i])) { |
551 | if (isdigit(fmt[i])) { |
| 552 | while (isdigit(fmt[i])) { |
552 | while (isdigit(fmt[i])) { |
| 553 | precision *= 10; |
553 | precision *= 10; |
| 554 | precision += fmt[i++] - '0'; |
554 | precision += fmt[i++] - '0'; |
| 555 | } |
555 | } |
| 556 | } else if (fmt[i] == '*') { |
556 | } else if (fmt[i] == '*') { |
| 557 | /* |
557 | /* |
| 558 | * Get precision value from the argument |
558 | * Get precision value from the argument |
| 559 | * list. |
559 | * list. |
| 560 | */ |
560 | */ |
| 561 | i++; |
561 | i++; |
| 562 | precision = (int)va_arg(ap, int); |
562 | precision = (int)va_arg(ap, int); |
| 563 | if (precision < 0) { |
563 | if (precision < 0) { |
| 564 | /* ignore negative precision */ |
564 | /* ignore negative precision */ |
| 565 | precision = 0; |
565 | precision = 0; |
| 566 | } |
566 | } |
| 567 | } |
567 | } |
| 568 | } |
568 | } |
| 569 | 569 | ||
| 570 | switch (fmt[i++]) { |
570 | switch (fmt[i++]) { |
| 571 | /** @todo unimplemented qualifiers: |
571 | /** @todo unimplemented qualifiers: |
| 572 | * t ptrdiff_t - ISO C 99 |
572 | * t ptrdiff_t - ISO C 99 |
| 573 | */ |
573 | */ |
| 574 | case 'h': /* char or short */ |
574 | case 'h': /* char or short */ |
| 575 | qualifier = PrintfQualifierShort; |
575 | qualifier = PrintfQualifierShort; |
| 576 | if (fmt[i] == 'h') { |
576 | if (fmt[i] == 'h') { |
| 577 | i++; |
577 | i++; |
| 578 | qualifier = PrintfQualifierByte; |
578 | qualifier = PrintfQualifierByte; |
| 579 | } |
579 | } |
| 580 | break; |
580 | break; |
| 581 | case 'l': /* long or long long*/ |
581 | case 'l': /* long or long long*/ |
| 582 | qualifier = PrintfQualifierLong; |
582 | qualifier = PrintfQualifierLong; |
| 583 | if (fmt[i] == 'l') { |
583 | if (fmt[i] == 'l') { |
| 584 | i++; |
584 | i++; |
| 585 | qualifier = PrintfQualifierLongLong; |
585 | qualifier = PrintfQualifierLongLong; |
| 586 | } |
586 | } |
| 587 | break; |
587 | break; |
| 588 | case 'z': /* unative_t */ |
588 | case 'z': /* unative_t */ |
| 589 | qualifier = PrintfQualifierNative; |
589 | qualifier = PrintfQualifierNative; |
| 590 | break; |
590 | break; |
| 591 | default: |
591 | default: |
| 592 | /* default type */ |
592 | /* default type */ |
| 593 | qualifier = PrintfQualifierInt; |
593 | qualifier = PrintfQualifierInt; |
| 594 | --i; |
594 | --i; |
| 595 | } |
595 | } |
| 596 | 596 | ||
| 597 | base = 10; |
597 | base = 10; |
| 598 | 598 | ||
| 599 | switch (c = fmt[i]) { |
599 | switch (c = fmt[i]) { |
| 600 | 600 | ||
| 601 | /* |
601 | /* |
| 602 | * String and character conversions. |
602 | * String and character conversions. |
| 603 | */ |
603 | */ |
| 604 | case 's': |
604 | case 's': |
| 605 | if ((retval = print_string(va_arg(ap, char *), |
605 | if ((retval = print_string(va_arg(ap, char *), |
| 606 | width, precision, flags, ps)) < 0) { |
606 | width, precision, flags, ps)) < 0) { |
| 607 | counter = -counter; |
607 | counter = -counter; |
| 608 | goto out; |
608 | goto out; |
| 609 | }; |
609 | }; |
| 610 | 610 | ||
| 611 | counter += retval; |
611 | counter += retval; |
| 612 | j = i + 1; |
612 | j = i + 1; |
| 613 | goto next_char; |
613 | goto next_char; |
| 614 | case 'c': |
614 | case 'c': |
| 615 | c = va_arg(ap, unsigned int); |
615 | c = va_arg(ap, unsigned int); |
| 616 | retval = print_char(c, width, flags, ps); |
616 | retval = print_char(c, width, flags, ps); |
| 617 | if (retval < 0) { |
617 | if (retval < 0) { |
| 618 | counter = -counter; |
618 | counter = -counter; |
| 619 | goto out; |
619 | goto out; |
| 620 | }; |
620 | }; |
| 621 | 621 | ||
| 622 | counter += retval; |
622 | counter += retval; |
| 623 | j = i + 1; |
623 | j = i + 1; |
| 624 | goto next_char; |
624 | goto next_char; |
| 625 | 625 | ||
| 626 | /* |
626 | /* |
| 627 | * Integer values |
627 | * Integer values |
| 628 | */ |
628 | */ |
| 629 | case 'P': /* pointer */ |
629 | case 'P': /* pointer */ |
| 630 | flags |= __PRINTF_FLAG_BIGCHARS; |
630 | flags |= __PRINTF_FLAG_BIGCHARS; |
| 631 | case 'p': |
631 | case 'p': |
| 632 | flags |= __PRINTF_FLAG_PREFIX; |
632 | flags |= __PRINTF_FLAG_PREFIX; |
| 633 | base = 16; |
633 | base = 16; |
| 634 | qualifier = PrintfQualifierPointer; |
634 | qualifier = PrintfQualifierPointer; |
| 635 | break; |
635 | break; |
| 636 | case 'b': |
636 | case 'b': |
| 637 | base = 2; |
637 | base = 2; |
| 638 | break; |
638 | break; |
| 639 | case 'o': |
639 | case 'o': |
| 640 | base = 8; |
640 | base = 8; |
| 641 | break; |
641 | break; |
| 642 | case 'd': |
642 | case 'd': |
| 643 | case 'i': |
643 | case 'i': |
| 644 | flags |= __PRINTF_FLAG_SIGNED; |
644 | flags |= __PRINTF_FLAG_SIGNED; |
| 645 | case 'u': |
645 | case 'u': |
| 646 | break; |
646 | break; |
| 647 | case 'X': |
647 | case 'X': |
| 648 | flags |= __PRINTF_FLAG_BIGCHARS; |
648 | flags |= __PRINTF_FLAG_BIGCHARS; |
| 649 | case 'x': |
649 | case 'x': |
| 650 | base = 16; |
650 | base = 16; |
| 651 | break; |
651 | break; |
| 652 | /* percentile itself */ |
652 | /* percentile itself */ |
| 653 | case '%': |
653 | case '%': |
| 654 | j = i; |
654 | j = i; |
| 655 | goto next_char; |
655 | goto next_char; |
| 656 | /* |
656 | /* |
| 657 | * Bad formatting. |
657 | * Bad formatting. |
| 658 | */ |
658 | */ |
| 659 | default: |
659 | default: |
| 660 | /* |
660 | /* |
| 661 | * Unknown format. Now, j is the index of '%' |
661 | * Unknown format. Now, j is the index of '%' |
| 662 | * so we will print whole bad format sequence. |
662 | * so we will print whole bad format sequence. |
| 663 | */ |
663 | */ |
| 664 | goto next_char; |
664 | goto next_char; |
| 665 | } |
665 | } |
| 666 | 666 | ||
| 667 | 667 | ||
| 668 | /* Print integers */ |
668 | /* Print integers */ |
| 669 | /* print number */ |
669 | /* print number */ |
| 670 | switch (qualifier) { |
670 | switch (qualifier) { |
| 671 | case PrintfQualifierByte: |
671 | case PrintfQualifierByte: |
| 672 | size = sizeof(unsigned char); |
672 | size = sizeof(unsigned char); |
| 673 | number = (uint64_t)va_arg(ap, unsigned int); |
673 | number = (uint64_t)va_arg(ap, unsigned int); |
| 674 | break; |
674 | break; |
| 675 | case PrintfQualifierShort: |
675 | case PrintfQualifierShort: |
| 676 | size = sizeof(unsigned short); |
676 | size = sizeof(unsigned short); |
| 677 | number = (uint64_t)va_arg(ap, unsigned int); |
677 | number = (uint64_t)va_arg(ap, unsigned int); |
| 678 | break; |
678 | break; |
| 679 | case PrintfQualifierInt: |
679 | case PrintfQualifierInt: |
| 680 | size = sizeof(unsigned int); |
680 | size = sizeof(unsigned int); |
| 681 | number = (uint64_t)va_arg(ap, unsigned int); |
681 | number = (uint64_t)va_arg(ap, unsigned int); |
| 682 | break; |
682 | break; |
| 683 | case PrintfQualifierLong: |
683 | case PrintfQualifierLong: |
| 684 | size = sizeof(unsigned long); |
684 | size = sizeof(unsigned long); |
| 685 | number = (uint64_t)va_arg(ap, unsigned long); |
685 | number = (uint64_t)va_arg(ap, unsigned long); |
| 686 | break; |
686 | break; |
| 687 | case PrintfQualifierLongLong: |
687 | case PrintfQualifierLongLong: |
| 688 | size = sizeof(unsigned long long); |
688 | size = sizeof(unsigned long long); |
| 689 | number = (uint64_t)va_arg(ap, |
689 | number = (uint64_t)va_arg(ap, |
| 690 | unsigned long long); |
690 | unsigned long long); |
| 691 | break; |
691 | break; |
| 692 | case PrintfQualifierPointer: |
692 | case PrintfQualifierPointer: |
| 693 | size = sizeof(void *); |
693 | size = sizeof(void *); |
| 694 | number = (uint64_t)(unsigned long)va_arg(ap, |
694 | number = (uint64_t)(unsigned long)va_arg(ap, |
| 695 | void *); |
695 | void *); |
| 696 | break; |
696 | break; |
| 697 | case PrintfQualifierNative: |
697 | case PrintfQualifierNative: |
| 698 | size = sizeof(unative_t); |
698 | size = sizeof(unative_t); |
| 699 | number = (uint64_t)va_arg(ap, unative_t); |
699 | number = (uint64_t)va_arg(ap, unative_t); |
| 700 | break; |
700 | break; |
| 701 | default: /* Unknown qualifier */ |
701 | default: /* Unknown qualifier */ |
| 702 | counter = -counter; |
702 | counter = -counter; |
| 703 | goto out; |
703 | goto out; |
| 704 | } |
704 | } |
| 705 | 705 | ||
| 706 | if (flags & __PRINTF_FLAG_SIGNED) { |
706 | if (flags & __PRINTF_FLAG_SIGNED) { |
| 707 | if (number & (0x1 << (size * 8 - 1))) { |
707 | if (number & (0x1 << (size * 8 - 1))) { |
| 708 | flags |= __PRINTF_FLAG_NEGATIVE; |
708 | flags |= __PRINTF_FLAG_NEGATIVE; |
| 709 | 709 | ||
| 710 | if (size == sizeof(uint64_t)) { |
710 | if (size == sizeof(uint64_t)) { |
| 711 | number = -((int64_t)number); |
711 | number = -((int64_t)number); |
| 712 | } else { |
712 | } else { |
| 713 | number = ~number; |
713 | number = ~number; |
| 714 | number &= |
714 | number &= |
| 715 | ~(0xFFFFFFFFFFFFFFFFll << |
715 | ~(0xFFFFFFFFFFFFFFFFll << |
| 716 | (size * 8)); |
716 | (size * 8)); |
| 717 | number++; |
717 | number++; |
| 718 | } |
718 | } |
| 719 | } |
719 | } |
| 720 | } |
720 | } |
| 721 | 721 | ||
| 722 | if ((retval = print_number(number, width, precision, |
722 | if ((retval = print_number(number, width, precision, |
| 723 | base, flags, ps)) < 0) { |
723 | base, flags, ps)) < 0) { |
| 724 | counter = -counter; |
724 | counter = -counter; |
| 725 | goto out; |
725 | goto out; |
| 726 | } |
726 | } |
| 727 | 727 | ||
| 728 | counter += retval; |
728 | counter += retval; |
| 729 | j = i + 1; |
729 | j = i + 1; |
| 730 | } |
730 | } |
| 731 | next_char: |
731 | next_char: |
| 732 | 732 | ||
| 733 | ++i; |
733 | ++i; |
| 734 | } |
734 | } |
| 735 | 735 | ||
| 736 | if (i > j) { |
736 | if (i > j) { |
| 737 | if ((retval = printf_putnchars(&fmt[j], (unative_t)(i - j), |
737 | if ((retval = printf_putnchars(&fmt[j], (unative_t)(i - j), |
| 738 | ps)) < 0) { /* error */ |
738 | ps)) < 0) { /* error */ |
| 739 | counter = -counter; |
739 | counter = -counter; |
| 740 | goto out; |
740 | goto out; |
| 741 | 741 | ||
| 742 | } |
742 | } |
| 743 | counter += retval; |
743 | counter += retval; |
| 744 | } |
744 | } |
| 745 | 745 | ||
| 746 | out: |
746 | out: |
| 747 | 747 | ||
| 748 | return counter; |
748 | return counter; |
| 749 | } |
749 | } |
| 750 | 750 | ||
| 751 | /** @} |
751 | /** @} |
| 752 | */ |
752 | */ |
| 753 | 753 | ||