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