Rev 2570 | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2570 | Rev 2782 | ||
|---|---|---|---|
| 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 | 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 | PrintfQualifierSizeT, |
66 | PrintfQualifierSizeT, |
| 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 | /** Print count chars from buffer without adding newline |
73 | /** Print count chars from buffer without adding newline |
| 74 | * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed! |
74 | * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed! |
| 75 | * @param count |
75 | * @param count |
| 76 | * @param ps output method and its data |
76 | * @param ps output method and its data |
| 77 | * @return number of printed characters |
77 | * @return number of printed characters |
| 78 | */ |
78 | */ |
| 79 | static int printf_putnchars(const char * buf, size_t count, |
79 | static int printf_putnchars(const char * buf, size_t count, |
| 80 | struct printf_spec *ps) |
80 | struct printf_spec *ps) |
| 81 | { |
81 | { |
| 82 | return ps->write((void *)buf, count, ps->data); |
82 | return ps->write((void *)buf, count, ps->data); |
| 83 | } |
83 | } |
| 84 | 84 | ||
| 85 | /** Print string without added newline |
85 | /** Print string without added newline |
| 86 | * @param str string to print |
86 | * @param str string to print |
| 87 | * @param ps write function specification and support data |
87 | * @param ps write function specification and support data |
| 88 | * @return number of printed characters |
88 | * @return number of printed characters |
| 89 | */ |
89 | */ |
| 90 | static int printf_putstr(const char * str, struct printf_spec *ps) |
90 | static int printf_putstr(const char * str, struct printf_spec *ps) |
| 91 | { |
91 | { |
| 92 | size_t count; |
92 | size_t count; |
| 93 | 93 | ||
| 94 | if (str == NULL) |
94 | if (str == NULL) |
| 95 | return printf_putnchars("(NULL)", 6, ps); |
95 | return printf_putnchars("(NULL)", 6, ps); |
| 96 | 96 | ||
| 97 | for (count = 0; str[count] != 0; count++); |
97 | for (count = 0; str[count] != 0; count++); |
| 98 | 98 | ||
| 99 | if (ps->write((void *) str, count, ps->data) == count) |
99 | if (ps->write((void *) str, count, ps->data) == count) |
| 100 | return 0; |
100 | return 0; |
| 101 | 101 | ||
| 102 | return EOF; |
102 | return EOF; |
| 103 | } |
103 | } |
| 104 | 104 | ||
| 105 | /** Print one character to output |
105 | /** Print one character to output |
| 106 | * @param c one character |
106 | * @param c one character |
| 107 | * @param ps output method |
107 | * @param ps output method |
| 108 | * @return number of printed characters |
108 | * @return number of printed characters |
| 109 | */ |
109 | */ |
| 110 | static int printf_putchar(int c, struct printf_spec *ps) |
110 | static int printf_putchar(int c, struct printf_spec *ps) |
| 111 | { |
111 | { |
| 112 | unsigned char ch = c; |
112 | unsigned char ch = c; |
| 113 | 113 | ||
| 114 | return ps->write((void *) &ch, 1, ps->data); |
114 | return ps->write((void *) &ch, 1, ps->data); |
| 115 | } |
115 | } |
| 116 | 116 | ||
| 117 | /** Print one formatted character |
117 | /** Print one formatted character |
| 118 | * @param c character to print |
118 | * @param c character to print |
| 119 | * @param width |
119 | * @param width |
| 120 | * @param flags |
120 | * @param flags |
| 121 | * @return number of printed characters |
121 | * @return number of printed characters |
| 122 | */ |
122 | */ |
| 123 | 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) |
| 124 | { |
124 | { |
| 125 | int counter = 0; |
125 | int counter = 0; |
| 126 | 126 | ||
| 127 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
127 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
| 128 | /* |
128 | /* |
| 129 | * One space is consumed by the character itself, hence the |
129 | * One space is consumed by the character itself, hence the |
| 130 | * predecrement. |
130 | * predecrement. |
| 131 | */ |
131 | */ |
| 132 | while (--width > 0) { |
132 | while (--width > 0) { |
| 133 | if (printf_putchar(' ', ps) > 0) |
133 | if (printf_putchar(' ', ps) > 0) |
| 134 | ++counter; |
134 | ++counter; |
| 135 | } |
135 | } |
| 136 | } |
136 | } |
| 137 | 137 | ||
| 138 | if (printf_putchar(c, ps) > 0) |
138 | if (printf_putchar(c, ps) > 0) |
| 139 | counter++; |
139 | counter++; |
| 140 | /* |
140 | /* |
| 141 | * One space is consumed by the character itself, hence the |
141 | * One space is consumed by the character itself, hence the |
| 142 | * predecrement. |
142 | * predecrement. |
| 143 | */ |
143 | */ |
| 144 | while (--width > 0) { |
144 | while (--width > 0) { |
| 145 | if (printf_putchar(' ', ps) > 0) |
145 | if (printf_putchar(' ', ps) > 0) |
| 146 | ++counter; |
146 | ++counter; |
| 147 | } |
147 | } |
| 148 | 148 | ||
| 149 | return ++counter; |
149 | return ++counter; |
| 150 | } |
150 | } |
| 151 | 151 | ||
| 152 | /** Print one string |
152 | /** Print one string |
| 153 | * @param s string |
153 | * @param s string |
| 154 | * @param width |
154 | * @param width |
| 155 | * @param precision |
155 | * @param precision |
| 156 | * @param flags |
156 | * @param flags |
| 157 | * @return number of printed characters |
157 | * @return number of printed characters |
| 158 | */ |
158 | */ |
| 159 | static int print_string(char *s, int width, int precision, uint64_t flags, |
159 | static int print_string(char *s, int width, int precision, uint64_t flags, |
| 160 | struct printf_spec *ps) |
160 | struct printf_spec *ps) |
| 161 | { |
161 | { |
| 162 | int counter = 0; |
162 | int counter = 0; |
| 163 | size_t size; |
163 | size_t size; |
| 164 | int retval; |
164 | int retval; |
| 165 | 165 | ||
| 166 | if (s == NULL) { |
166 | if (s == NULL) { |
| 167 | return printf_putstr("(NULL)", ps); |
167 | return printf_putstr("(NULL)", ps); |
| 168 | } |
168 | } |
| 169 | 169 | ||
| 170 | size = strlen(s); |
170 | size = strlen(s); |
| 171 | 171 | ||
| 172 | /* print leading spaces */ |
172 | /* print leading spaces */ |
| 173 | 173 | ||
| 174 | if (precision == 0) |
174 | if (precision == 0) |
| 175 | precision = size; |
175 | precision = size; |
| 176 | 176 | ||
| 177 | width -= precision; |
177 | width -= precision; |
| 178 | 178 | ||
| 179 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
179 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
| 180 | while (width-- > 0) { |
180 | while (width-- > 0) { |
| 181 | if (printf_putchar(' ', ps) == 1) |
181 | if (printf_putchar(' ', ps) == 1) |
| 182 | counter++; |
182 | counter++; |
| 183 | } |
183 | } |
| 184 | } |
184 | } |
| 185 | 185 | ||
| 186 | if ((retval = printf_putnchars(s, size < precision ? size : precision, |
186 | if ((retval = printf_putnchars(s, size < precision ? size : precision, |
| 187 | ps)) < 0) { |
187 | ps)) < 0) { |
| 188 | return -counter; |
188 | return -counter; |
| 189 | } |
189 | } |
| 190 | 190 | ||
| 191 | counter += retval; |
191 | counter += retval; |
| 192 | 192 | ||
| 193 | while (width-- > 0) { |
193 | while (width-- > 0) { |
| 194 | if (printf_putchar(' ', ps) == 1) |
194 | if (printf_putchar(' ', ps) == 1) |
| 195 | ++counter; |
195 | ++counter; |
| 196 | } |
196 | } |
| 197 | 197 | ||
| 198 | return counter; |
198 | return counter; |
| 199 | } |
199 | } |
| 200 | 200 | ||
| 201 | 201 | ||
| 202 | /** Print number in given base |
202 | /** Print number in given base |
| 203 | * |
203 | * |
| 204 | * Print significant digits of a number in given |
204 | * Print significant digits of a number in given |
| 205 | * base. |
205 | * base. |
| 206 | * |
206 | * |
| 207 | * @param num Number to print. |
207 | * @param num Number to print. |
| 208 | * @param width |
208 | * @param width |
| 209 | * @param precision |
209 | * @param precision |
| 210 | * @param base Base to print the number in (should |
210 | * @param base Base to print the number in (should |
| 211 | * be in range 2 .. 16). |
211 | * be in range 2 .. 16). |
| 212 | * @param flags output modifiers |
212 | * @param flags output modifiers |
| 213 | * @return number of printed characters |
213 | * @return number of printed characters |
| 214 | * |
214 | * |
| 215 | */ |
215 | */ |
| 216 | static int print_number(uint64_t num, int width, int precision, int base, |
216 | static int print_number(uint64_t num, int width, int precision, int base, |
| 217 | uint64_t flags, struct printf_spec *ps) |
217 | uint64_t flags, struct printf_spec *ps) |
| 218 | { |
218 | { |
| 219 | char *digits = digits_small; |
219 | char *digits = digits_small; |
| 220 | char d[PRINT_NUMBER_BUFFER_SIZE]; /* this is good enough even for |
220 | char d[PRINT_NUMBER_BUFFER_SIZE]; /* this is good enough even for |
| 221 | * base == 2, prefix and sign */ |
221 | * base == 2, prefix and sign */ |
| 222 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
222 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
| 223 | int size = 0; /* size of number with all prefixes and signs */ |
223 | int size = 0; /* size of number with all prefixes and signs */ |
| 224 | int number_size; /* size of plain number */ |
224 | int number_size; /* size of plain number */ |
| 225 | char sgn; |
225 | char sgn; |
| 226 | int retval; |
226 | int retval; |
| 227 | int counter = 0; |
227 | int counter = 0; |
| 228 | 228 | ||
| 229 | if (flags & __PRINTF_FLAG_BIGCHARS) |
229 | if (flags & __PRINTF_FLAG_BIGCHARS) |
| 230 | digits = digits_big; |
230 | digits = digits_big; |
| 231 | 231 | ||
| 232 | *ptr-- = 0; /* Put zero at end of string */ |
232 | *ptr-- = 0; /* Put zero at end of string */ |
| 233 | 233 | ||
| 234 | if (num == 0) { |
234 | if (num == 0) { |
| 235 | *ptr-- = '0'; |
235 | *ptr-- = '0'; |
| 236 | size++; |
236 | size++; |
| 237 | } else { |
237 | } else { |
| 238 | do { |
238 | do { |
| 239 | *ptr-- = digits[num % base]; |
239 | *ptr-- = digits[num % base]; |
| 240 | size++; |
240 | size++; |
| 241 | } while (num /= base); |
241 | } while (num /= base); |
| 242 | } |
242 | } |
| 243 | 243 | ||
| 244 | number_size = size; |
244 | number_size = size; |
| 245 | 245 | ||
| 246 | /* |
246 | /* |
| 247 | * Collect sum of all prefixes/signs/... to calculate padding and |
247 | * Collect sum of all prefixes/signs/... to calculate padding and |
| 248 | * leading zeroes |
248 | * leading zeroes |
| 249 | */ |
249 | */ |
| 250 | if (flags & __PRINTF_FLAG_PREFIX) { |
250 | if (flags & __PRINTF_FLAG_PREFIX) { |
| 251 | switch(base) { |
251 | switch(base) { |
| 252 | case 2: /* Binary formating is not standard, but usefull */ |
252 | case 2: /* Binary formating is not standard, but usefull */ |
| 253 | size += 2; |
253 | size += 2; |
| 254 | break; |
254 | break; |
| 255 | case 8: |
255 | case 8: |
| 256 | size++; |
256 | size++; |
| 257 | break; |
257 | break; |
| 258 | case 16: |
258 | case 16: |
| 259 | size += 2; |
259 | size += 2; |
| 260 | break; |
260 | break; |
| 261 | } |
261 | } |
| 262 | } |
262 | } |
| 263 | 263 | ||
| 264 | sgn = 0; |
264 | sgn = 0; |
| 265 | if (flags & __PRINTF_FLAG_SIGNED) { |
265 | if (flags & __PRINTF_FLAG_SIGNED) { |
| 266 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
266 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
| 267 | sgn = '-'; |
267 | sgn = '-'; |
| 268 | size++; |
268 | size++; |
| 269 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
269 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
| 270 | sgn = '+'; |
270 | sgn = '+'; |
| 271 | size++; |
271 | size++; |
| 272 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
272 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
| 273 | sgn = ' '; |
273 | sgn = ' '; |
| 274 | size++; |
274 | size++; |
| 275 | } |
275 | } |
| 276 | } |
276 | } |
| 277 | 277 | ||
| 278 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
278 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
| 279 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
279 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
| 280 | } |
280 | } |
| 281 | 281 | ||
| 282 | /* |
282 | /* |
| 283 | * If number is leftaligned or precision is specified then zeropadding |
283 | * If number is leftaligned or precision is specified then zeropadding |
| 284 | * is ignored. |
284 | * is ignored. |
| 285 | */ |
285 | */ |
| 286 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
286 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
| 287 | if ((precision == 0) && (width > size)) { |
287 | if ((precision == 0) && (width > size)) { |
| 288 | precision = width - size + number_size; |
288 | precision = width - size + number_size; |
| 289 | } |
289 | } |
| 290 | } |
290 | } |
| 291 | 291 | ||
| 292 | /* print leading spaces */ |
292 | /* print leading spaces */ |
| 293 | 293 | ||
| 294 | /* We must print whole number not only a part. */ |
294 | /* We must print whole number not only a part. */ |
| 295 | if (number_size > precision) |
295 | if (number_size > precision) |
| 296 | precision = number_size; |
296 | precision = number_size; |
| 297 | 297 | ||
| 298 | width -= precision + size - number_size; |
298 | width -= precision + size - number_size; |
| 299 | 299 | ||
| 300 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
300 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
| 301 | while (width-- > 0) { |
301 | while (width-- > 0) { |
| 302 | if (printf_putchar(' ', ps) == 1) |
302 | if (printf_putchar(' ', ps) == 1) |
| 303 | counter++; |
303 | counter++; |
| 304 | } |
304 | } |
| 305 | } |
305 | } |
| 306 | 306 | ||
| 307 | /* print sign */ |
307 | /* print sign */ |
| 308 | if (sgn) { |
308 | if (sgn) { |
| 309 | if (printf_putchar(sgn, ps) == 1) |
309 | if (printf_putchar(sgn, ps) == 1) |
| 310 | counter++; |
310 | counter++; |
| 311 | } |
311 | } |
| 312 | 312 | ||
| 313 | /* print prefix */ |
313 | /* print prefix */ |
| 314 | 314 | ||
| 315 | if (flags & __PRINTF_FLAG_PREFIX) { |
315 | if (flags & __PRINTF_FLAG_PREFIX) { |
| 316 | switch(base) { |
316 | switch(base) { |
| 317 | case 2: /* Binary formating is not standard, but usefull */ |
317 | case 2: /* Binary formating is not standard, but usefull */ |
| 318 | if (printf_putchar('0', ps) == 1) |
318 | if (printf_putchar('0', ps) == 1) |
| 319 | counter++; |
319 | counter++; |
| 320 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
320 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
| 321 | if (printf_putchar('B', ps) == 1) |
321 | if (printf_putchar('B', ps) == 1) |
| 322 | counter++; |
322 | counter++; |
| 323 | } else { |
323 | } else { |
| 324 | if (printf_putchar('b', ps) == 1) |
324 | if (printf_putchar('b', ps) == 1) |
| 325 | counter++; |
325 | counter++; |
| 326 | } |
326 | } |
| 327 | break; |
327 | break; |
| 328 | case 8: |
328 | case 8: |
| 329 | if (printf_putchar('o', ps) == 1) |
329 | if (printf_putchar('o', ps) == 1) |
| 330 | counter++; |
330 | counter++; |
| 331 | break; |
331 | break; |
| 332 | case 16: |
332 | case 16: |
| 333 | if (printf_putchar('0', ps) == 1) |
333 | if (printf_putchar('0', ps) == 1) |
| 334 | counter++; |
334 | counter++; |
| 335 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
335 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
| 336 | if (printf_putchar('X', ps) == 1) |
336 | if (printf_putchar('X', ps) == 1) |
| 337 | counter++; |
337 | counter++; |
| 338 | } else { |
338 | } else { |
| 339 | if (printf_putchar('x', ps) == 1) |
339 | if (printf_putchar('x', ps) == 1) |
| 340 | counter++; |
340 | counter++; |
| 341 | } |
341 | } |
| 342 | break; |
342 | break; |
| 343 | } |
343 | } |
| 344 | } |
344 | } |
| 345 | 345 | ||
| 346 | /* print leading zeroes */ |
346 | /* print leading zeroes */ |
| 347 | precision -= number_size; |
347 | precision -= number_size; |
| 348 | while (precision-- > 0) { |
348 | while (precision-- > 0) { |
| 349 | if (printf_putchar('0', ps) == 1) |
349 | if (printf_putchar('0', ps) == 1) |
| 350 | counter++; |
350 | counter++; |
| 351 | } |
351 | } |
| 352 | 352 | ||
| 353 | 353 | ||
| 354 | /* print number itself */ |
354 | /* print number itself */ |
| 355 | 355 | ||
| 356 | if ((retval = printf_putstr(++ptr, ps)) > 0) { |
356 | if ((retval = printf_putstr(++ptr, ps)) > 0) { |
| 357 | counter += retval; |
357 | counter += retval; |
| 358 | } |
358 | } |
| 359 | 359 | ||
| 360 | /* print ending spaces */ |
360 | /* print ending spaces */ |
| 361 | 361 | ||
| 362 | while (width-- > 0) { |
362 | while (width-- > 0) { |
| 363 | if (printf_putchar(' ', ps) == 1) |
363 | if (printf_putchar(' ', ps) == 1) |
| 364 | counter++; |
364 | counter++; |
| 365 | } |
365 | } |
| 366 | 366 | ||
| 367 | return counter; |
367 | return counter; |
| 368 | } |
368 | } |
| 369 | 369 | ||
| 370 | 370 | ||
| 371 | /** Print formatted string. |
371 | /** Print formatted string. |
| 372 | * |
372 | * |
| 373 | * Print string formatted according to the fmt parameter and variadic arguments. |
373 | * Print string formatted according to the fmt parameter and variadic arguments. |
| 374 | * Each formatting directive must have the following form: |
374 | * Each formatting directive must have the following form: |
| 375 | * |
375 | * |
| 376 | * \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
376 | * \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
| 377 | * |
377 | * |
| 378 | * FLAGS:@n |
378 | * FLAGS:@n |
| 379 | * - "#" Force to print prefix. |
379 | * - "#" Force to print prefix. |
| 380 | * For conversion \%o the prefix is 0, for %x and \%X prefixes are 0x and |
380 | * For conversion \%o the prefix is 0, for %x and \%X prefixes are 0x and |
| 381 | * 0X and for conversion \%b the prefix is 0b. |
381 | * 0X and for conversion \%b the prefix is 0b. |
| 382 | * |
382 | * |
| 383 | * - "-" Align to left. |
383 | * - "-" Align to left. |
| 384 | * |
384 | * |
| 385 | * - "+" Print positive sign just as negative. |
385 | * - "+" Print positive sign just as negative. |
| 386 | * |
386 | * |
| 387 | * - " " If the printed number is positive and "+" flag is not set, |
387 | * - " " If the printed number is positive and "+" flag is not set, |
| 388 | * print space in place of sign. |
388 | * print space in place of sign. |
| 389 | * |
389 | * |
| 390 | * - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
390 | * - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
| 391 | * sign and the rest of the number. This flag is ignored if "-" |
391 | * sign and the rest of the number. This flag is ignored if "-" |
| 392 | * flag is specified. |
392 | * flag is specified. |
| 393 | * |
393 | * |
| 394 | * WIDTH:@n |
394 | * WIDTH:@n |
| 395 | * - Specify minimal width of printed argument. If it is bigger, width is |
395 | * - Specify minimal width of printed argument. If it is bigger, width is |
| 396 | * ignored. If width is specified with a "*" character instead of number, |
396 | * ignored. If width is specified with a "*" character instead of number, |
| 397 | * width is taken from parameter list. And integer parameter is expected |
397 | * width is taken from parameter list. And integer parameter is expected |
| 398 | * before parameter for processed conversion specification. If this value |
398 | * before parameter for processed conversion specification. If this value |
| 399 | * is negative its absolute value is taken and the "-" flag is set. |
399 | * is negative its absolute value is taken and the "-" flag is set. |
| 400 | * |
400 | * |
| 401 | * PRECISION:@n |
401 | * PRECISION:@n |
| 402 | * - Value precision. For numbers it specifies minimum valid numbers. |
402 | * - Value precision. For numbers it specifies minimum valid numbers. |
| 403 | * Smaller numbers are printed with leading zeroes. Bigger numbers are |
403 | * Smaller numbers are printed with leading zeroes. Bigger numbers are |
| 404 | * not affected. Strings with more than precision characters are cut off. |
404 | * not affected. Strings with more than precision characters are cut off. |
| 405 | * Just as with width, an "*" can be used used instead of a number. An |
405 | * Just as with width, an "*" can be used used instead of a number. An |
| 406 | * integer value is then expected in parameters. When both width and |
406 | * integer value is then expected in parameters. When both width and |
| 407 | * precision are specified using "*", the first parameter is used for |
407 | * precision are specified using "*", the first parameter is used for |
| 408 | * width and the second one for precision. |
408 | * width and the second one for precision. |
| 409 | * |
409 | * |
| 410 | * TYPE:@n |
410 | * TYPE:@n |
| 411 | * - "hh" Signed or unsigned char.@n |
411 | * - "hh" Signed or unsigned char.@n |
| 412 | * - "h" Signed or usigned short.@n |
412 | * - "h" Signed or usigned short.@n |
| 413 | * - "" Signed or usigned int (default value).@n |
413 | * - "" Signed or usigned int (default value).@n |
| 414 | * - "l" Signed or usigned long int.@n |
414 | * - "l" Signed or usigned long int.@n |
| 415 | * - "ll" Signed or usigned long long int.@n |
415 | * - "ll" Signed or usigned long long int.@n |
| 416 | * - "z" Type size_t.@n |
416 | * - "z" Type size_t.@n |
| 417 | * |
417 | * |
| 418 | * |
418 | * |
| 419 | * CONVERSION:@n |
419 | * CONVERSION:@n |
| 420 | * - % Print percentile character itself. |
420 | * - % Print percentile character itself. |
| 421 | * |
421 | * |
| 422 | * - c Print single character. |
422 | * - c Print single character. |
| 423 | * |
423 | * |
| 424 | * - s Print zero terminated string. If a NULL value is passed as |
424 | * - s Print zero terminated string. If a NULL value is passed as |
| 425 | * value, "(NULL)" is printed instead. |
425 | * value, "(NULL)" is printed instead. |
| 426 | * |
426 | * |
| 427 | * - P, p Print value of a pointer. Void * value is expected and it is |
427 | * - P, p Print value of a pointer. Void * value is expected and it is |
| 428 | * printed in hexadecimal notation with prefix (as with '\%#X' or |
428 | * printed in hexadecimal notation with prefix (as with '\%#X' or |
| 429 | * '\%#x' for 32bit or '\%#X' or '\%#x' for 64bit long pointers). |
429 | * '\%#x' for 32bit or '\%#X' or '\%#x' for 64bit long pointers). |
| 430 | * |
430 | * |
| 431 | * - b Print value as unsigned binary number. Prefix is not printed by |
431 | * - b Print value as unsigned binary number. Prefix is not printed by |
| 432 | * default. (Nonstandard extension.) |
432 | * default. (Nonstandard extension.) |
| 433 | * |
433 | * |
| 434 | * - o Print value as unsigned octal number. Prefix is not printed by |
434 | * - o Print value as unsigned octal number. Prefix is not printed by |
| 435 | * default. |
435 | * default. |
| 436 | * |
436 | * |
| 437 | * - d, i Print signed decimal number. There is no difference between d |
437 | * - d, i Print signed decimal number. There is no difference between d |
| 438 | * and i conversion. |
438 | * and i conversion. |
| 439 | * |
439 | * |
| 440 | * - u Print unsigned decimal number. |
440 | * - u Print unsigned decimal number. |
| 441 | * |
441 | * |
| 442 | * - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
442 | * - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
| 443 | * not printed by default. |
443 | * not printed by default. |
| 444 | * |
444 | * |
| 445 | * All other characters from fmt except the formatting directives are printed in |
445 | * All other characters from fmt except the formatting directives are printed in |
| 446 | * verbatim. |
446 | * verbatim. |
| 447 | * |
447 | * |
| 448 | * @param fmt Formatting NULL terminated string. |
448 | * @param fmt Formatting NULL terminated string. |
| 449 | * @return Number of printed characters or negative value on failure. |
449 | * @return Number of printed characters or negative value on failure. |
| 450 | */ |
450 | */ |
| 451 | int printf_core(const char *fmt, struct printf_spec *ps, va_list ap) |
451 | int printf_core(const char *fmt, struct printf_spec *ps, va_list ap) |
| 452 | { |
452 | { |
| 453 | /* i is the index of the currently processed char from fmt */ |
453 | /* i is the index of the currently processed char from fmt */ |
| 454 | int i = 0; |
454 | int i = 0; |
| 455 | /* j is the index to the first not printed nonformating character */ |
455 | /* j is the index to the first not printed nonformating character */ |
| 456 | int j = 0; |
456 | int j = 0; |
| 457 | 457 | ||
| 458 | int end; |
458 | int end; |
| 459 | int counter; /* counter of printed characters */ |
459 | int counter; /* counter of printed characters */ |
| 460 | int retval; /* used to store return values from called functions */ |
460 | int retval; /* used to store return values from called functions */ |
| 461 | char c; |
461 | char c; |
| 462 | qualifier_t qualifier; /* type of argument */ |
462 | qualifier_t qualifier; /* type of argument */ |
| 463 | int base; /* base in which will be a numeric parameter printed */ |
463 | int base; /* base in which will be a numeric parameter printed */ |
| 464 | uint64_t number; /* argument value */ |
464 | uint64_t number; /* argument value */ |
| 465 | size_t size; /* byte size of integer parameter */ |
465 | size_t size; /* byte size of integer parameter */ |
| 466 | int width, precision; |
466 | int width, precision; |
| 467 | uint64_t flags; |
467 | uint64_t flags; |
| 468 | 468 | ||
| 469 | counter = 0; |
469 | counter = 0; |
| 470 | 470 | ||
| 471 | while ((c = fmt[i])) { |
471 | while ((c = fmt[i])) { |
| 472 | /* control character */ |
472 | /* control character */ |
| 473 | if (c == '%' ) { |
473 | if (c == '%' ) { |
| 474 | /* print common characters if any processed */ |
474 | /* print common characters if any processed */ |
| 475 | if (i > j) { |
475 | if (i > j) { |
| 476 | if ((retval = printf_putnchars(&fmt[j], |
476 | if ((retval = printf_putnchars(&fmt[j], |
| 477 | (size_t)(i - j), ps)) < 0) { /* error */ |
477 | (size_t)(i - j), ps)) < 0) { /* error */ |
| 478 | goto minus_out; |
478 | goto minus_out; |
| 479 | } |
479 | } |
| 480 | counter += retval; |
480 | counter += retval; |
| 481 | } |
481 | } |
| 482 | 482 | ||
| 483 | j = i; |
483 | j = i; |
| 484 | /* parse modifiers */ |
484 | /* parse modifiers */ |
| 485 | flags = 0; |
485 | flags = 0; |
| 486 | end = 0; |
486 | end = 0; |
| 487 | 487 | ||
| 488 | do { |
488 | do { |
| 489 | ++i; |
489 | ++i; |
| 490 | switch (c = fmt[i]) { |
490 | switch (c = fmt[i]) { |
| 491 | case '#': |
491 | case '#': |
| 492 | flags |= __PRINTF_FLAG_PREFIX; |
492 | flags |= __PRINTF_FLAG_PREFIX; |
| 493 | break; |
493 | break; |
| 494 | case '-': |
494 | case '-': |
| 495 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
495 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
| 496 | break; |
496 | break; |
| 497 | case '+': |
497 | case '+': |
| 498 | flags |= __PRINTF_FLAG_SHOWPLUS; |
498 | flags |= __PRINTF_FLAG_SHOWPLUS; |
| 499 | break; |
499 | break; |
| 500 | case ' ': |
500 | case ' ': |
| 501 | flags |= __PRINTF_FLAG_SPACESIGN; |
501 | flags |= __PRINTF_FLAG_SPACESIGN; |
| 502 | break; |
502 | break; |
| 503 | case '0': |
503 | case '0': |
| 504 | flags |= __PRINTF_FLAG_ZEROPADDED; |
504 | flags |= __PRINTF_FLAG_ZEROPADDED; |
| 505 | break; |
505 | break; |
| 506 | default: |
506 | default: |
| 507 | end = 1; |
507 | end = 1; |
| 508 | }; |
508 | }; |
| 509 | 509 | ||
| 510 | } while (end == 0); |
510 | } while (end == 0); |
| 511 | 511 | ||
| 512 | /* width & '*' operator */ |
512 | /* width & '*' operator */ |
| 513 | width = 0; |
513 | width = 0; |
| 514 | if (isdigit(fmt[i])) { |
514 | if (isdigit(fmt[i])) { |
| 515 | while (isdigit(fmt[i])) { |
515 | while (isdigit(fmt[i])) { |
| 516 | width *= 10; |
516 | width *= 10; |
| 517 | width += fmt[i++] - '0'; |
517 | width += fmt[i++] - '0'; |
| 518 | } |
518 | } |
| 519 | } else if (fmt[i] == '*') { |
519 | } else if (fmt[i] == '*') { |
| 520 | /* get width value from argument list*/ |
520 | /* get width value from argument list*/ |
| 521 | i++; |
521 | i++; |
| 522 | width = (int)va_arg(ap, int); |
522 | width = (int)va_arg(ap, int); |
| 523 | if (width < 0) { |
523 | if (width < 0) { |
| 524 | /* negative width sets '-' flag */ |
524 | /* negative width sets '-' flag */ |
| 525 | width *= -1; |
525 | width *= -1; |
| 526 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
526 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
| 527 | } |
527 | } |
| 528 | } |
528 | } |
| 529 | 529 | ||
| 530 | /* precision and '*' operator */ |
530 | /* precision and '*' operator */ |
| 531 | precision = 0; |
531 | precision = 0; |
| 532 | if (fmt[i] == '.') { |
532 | if (fmt[i] == '.') { |
| 533 | ++i; |
533 | ++i; |
| 534 | if (isdigit(fmt[i])) { |
534 | if (isdigit(fmt[i])) { |
| 535 | while (isdigit(fmt[i])) { |
535 | while (isdigit(fmt[i])) { |
| 536 | precision *= 10; |
536 | precision *= 10; |
| 537 | precision += fmt[i++] - '0'; |
537 | precision += fmt[i++] - '0'; |
| 538 | } |
538 | } |
| 539 | } else if (fmt[i] == '*') { |
539 | } else if (fmt[i] == '*') { |
| 540 | /* get precision value from argument */ |
540 | /* get precision value from argument */ |
| 541 | i++; |
541 | i++; |
| 542 | precision = (int)va_arg(ap, int); |
542 | precision = (int)va_arg(ap, int); |
| 543 | if (precision < 0) { |
543 | if (precision < 0) { |
| 544 | /* negative precision ignored */ |
544 | /* negative precision ignored */ |
| 545 | precision = 0; |
545 | precision = 0; |
| 546 | } |
546 | } |
| 547 | } |
547 | } |
| 548 | } |
548 | } |
| 549 | 549 | ||
| 550 | switch (fmt[i++]) { |
550 | switch (fmt[i++]) { |
| 551 | /** @todo unimplemented qualifiers: |
551 | /** @todo unimplemented qualifiers: |
| 552 | * t ptrdiff_t - ISO C 99 |
552 | * t ptrdiff_t - ISO C 99 |
| 553 | */ |
553 | */ |
| 554 | case 'h': /* char or short */ |
554 | case 'h': /* char or short */ |
| 555 | qualifier = PrintfQualifierShort; |
555 | qualifier = PrintfQualifierShort; |
| 556 | if (fmt[i] == 'h') { |
556 | if (fmt[i] == 'h') { |
| 557 | i++; |
557 | i++; |
| 558 | qualifier = PrintfQualifierByte; |
558 | qualifier = PrintfQualifierByte; |
| 559 | } |
559 | } |
| 560 | break; |
560 | break; |
| 561 | case 'l': /* long or long long*/ |
561 | case 'l': /* long or long long*/ |
| 562 | qualifier = PrintfQualifierLong; |
562 | qualifier = PrintfQualifierLong; |
| 563 | if (fmt[i] == 'l') { |
563 | if (fmt[i] == 'l') { |
| 564 | i++; |
564 | i++; |
| 565 | qualifier = PrintfQualifierLongLong; |
565 | qualifier = PrintfQualifierLongLong; |
| 566 | } |
566 | } |
| 567 | break; |
567 | break; |
| 568 | case 'z': /* size_t */ |
568 | case 'z': /* size_t */ |
| 569 | qualifier = PrintfQualifierSizeT; |
569 | qualifier = PrintfQualifierSizeT; |
| 570 | break; |
570 | break; |
| 571 | default: |
571 | default: |
| 572 | /* set default type */ |
572 | /* set default type */ |
| 573 | qualifier = PrintfQualifierInt; |
573 | qualifier = PrintfQualifierInt; |
| 574 | --i; |
574 | --i; |
| 575 | } |
575 | } |
| 576 | 576 | ||
| 577 | base = 10; |
577 | base = 10; |
| 578 | 578 | ||
| 579 | switch (c = fmt[i]) { |
579 | switch (c = fmt[i]) { |
| 580 | 580 | ||
| 581 | /* |
581 | /* |
| 582 | * String and character conversions. |
582 | * String and character conversions. |
| 583 | */ |
583 | */ |
| 584 | case 's': |
584 | case 's': |
| 585 | if ((retval = print_string(va_arg(ap, char*), |
585 | if ((retval = print_string(va_arg(ap, char*), |
| 586 | width, precision, flags, ps)) < 0) { |
586 | width, precision, flags, ps)) < 0) { |
| 587 | goto minus_out; |
587 | goto minus_out; |
| 588 | } |
588 | } |
| 589 | 589 | ||
| 590 | counter += retval; |
590 | counter += retval; |
| 591 | j = i + 1; |
591 | j = i + 1; |
| 592 | goto next_char; |
592 | goto next_char; |
| 593 | case 'c': |
593 | case 'c': |
| 594 | c = va_arg(ap, unsigned int); |
594 | c = va_arg(ap, unsigned int); |
| 595 | retval = print_char(c, width, flags, ps); |
595 | retval = print_char(c, width, flags, ps); |
| 596 | if (retval < 0) { |
596 | if (retval < 0) { |
| 597 | goto minus_out; |
597 | goto minus_out; |
| 598 | } |
598 | } |
| 599 | 599 | ||
| 600 | counter += retval; |
600 | counter += retval; |
| 601 | j = i + 1; |
601 | j = i + 1; |
| 602 | goto next_char; |
602 | goto next_char; |
| 603 | 603 | ||
| 604 | /* |
604 | /* |
| 605 | * Integer values |
605 | * Integer values |
| 606 | */ |
606 | */ |
| 607 | case 'P': /* pointer */ |
607 | case 'P': /* pointer */ |
| 608 | flags |= __PRINTF_FLAG_BIGCHARS; |
608 | flags |= __PRINTF_FLAG_BIGCHARS; |
| 609 | case 'p': |
609 | case 'p': |
| 610 | flags |= __PRINTF_FLAG_PREFIX; |
610 | flags |= __PRINTF_FLAG_PREFIX; |
| 611 | base = 16; |
611 | base = 16; |
| 612 | qualifier = PrintfQualifierPointer; |
612 | qualifier = PrintfQualifierPointer; |
| 613 | break; |
613 | break; |
| 614 | case 'b': |
614 | case 'b': |
| 615 | base = 2; |
615 | base = 2; |
| 616 | break; |
616 | break; |
| 617 | case 'o': |
617 | case 'o': |
| 618 | base = 8; |
618 | base = 8; |
| 619 | break; |
619 | break; |
| 620 | case 'd': |
620 | case 'd': |
| 621 | case 'i': |
621 | case 'i': |
| 622 | flags |= __PRINTF_FLAG_SIGNED; |
622 | flags |= __PRINTF_FLAG_SIGNED; |
| 623 | case 'u': |
623 | case 'u': |
| 624 | break; |
624 | break; |
| 625 | case 'X': |
625 | case 'X': |
| 626 | flags |= __PRINTF_FLAG_BIGCHARS; |
626 | flags |= __PRINTF_FLAG_BIGCHARS; |
| 627 | case 'x': |
627 | case 'x': |
| 628 | base = 16; |
628 | base = 16; |
| 629 | break; |
629 | break; |
| 630 | /* percentile itself */ |
630 | /* percentile itself */ |
| 631 | case '%': |
631 | case '%': |
| 632 | j = i; |
632 | j = i; |
| 633 | goto next_char; |
633 | goto next_char; |
| 634 | /* |
634 | /* |
| 635 | * Bad formatting. |
635 | * Bad formatting. |
| 636 | */ |
636 | */ |
| 637 | default: |
637 | default: |
| 638 | /* |
638 | /* |
| 639 | * Unknown format. Now, j is the index of '%', |
639 | * Unknown format. Now, j is the index of '%', |
| 640 | * so we will print the whole bad format |
640 | * so we will print the whole bad format |
| 641 | * sequence. |
641 | * sequence. |
| 642 | */ |
642 | */ |
| 643 | goto next_char; |
643 | goto next_char; |
| 644 | } |
644 | } |
| 645 | 645 | ||
| 646 | 646 | ||
| 647 | /* Print integers */ |
647 | /* Print integers */ |
| 648 | switch (qualifier) { |
648 | switch (qualifier) { |
| 649 | case PrintfQualifierByte: |
649 | case PrintfQualifierByte: |
| 650 | size = sizeof(unsigned char); |
650 | size = sizeof(unsigned char); |
| 651 | number = (uint64_t)va_arg(ap, unsigned int); |
651 | number = (uint64_t)va_arg(ap, unsigned int); |
| 652 | break; |
652 | break; |
| 653 | case PrintfQualifierShort: |
653 | case PrintfQualifierShort: |
| 654 | size = sizeof(unsigned short); |
654 | size = sizeof(unsigned short); |
| 655 | number = (uint64_t)va_arg(ap, unsigned int); |
655 | number = (uint64_t)va_arg(ap, unsigned int); |
| 656 | break; |
656 | break; |
| 657 | case PrintfQualifierInt: |
657 | case PrintfQualifierInt: |
| 658 | size = sizeof(unsigned int); |
658 | size = sizeof(unsigned int); |
| 659 | number = (uint64_t)va_arg(ap, unsigned int); |
659 | number = (uint64_t)va_arg(ap, unsigned int); |
| 660 | break; |
660 | break; |
| 661 | case PrintfQualifierLong: |
661 | case PrintfQualifierLong: |
| 662 | size = sizeof(unsigned long); |
662 | size = sizeof(unsigned long); |
| 663 | number = (uint64_t)va_arg(ap, unsigned long); |
663 | number = (uint64_t)va_arg(ap, unsigned long); |
| 664 | break; |
664 | break; |
| 665 | case PrintfQualifierLongLong: |
665 | case PrintfQualifierLongLong: |
| 666 | size = sizeof(unsigned long long); |
666 | size = sizeof(unsigned long long); |
| 667 | number = (uint64_t)va_arg(ap, |
667 | number = (uint64_t)va_arg(ap, |
| 668 | unsigned long long); |
668 | unsigned long long); |
| 669 | break; |
669 | break; |
| 670 | case PrintfQualifierPointer: |
670 | case PrintfQualifierPointer: |
| 671 | size = sizeof(void *); |
671 | size = sizeof(void *); |
| 672 | number = (uint64_t)(unsigned long)va_arg(ap, |
672 | number = (uint64_t)(unsigned long)va_arg(ap, |
| 673 | void *); |
673 | void *); |
| 674 | break; |
674 | break; |
| 675 | case PrintfQualifierSizeT: |
675 | case PrintfQualifierSizeT: |
| 676 | size = sizeof(size_t); |
676 | size = sizeof(size_t); |
| 677 | number = (uint64_t)va_arg(ap, size_t); |
677 | number = (uint64_t)va_arg(ap, size_t); |
| 678 | break; |
678 | break; |
| 679 | default: /* Unknown qualifier */ |
679 | default: /* Unknown qualifier */ |
| 680 | goto minus_out; |
680 | goto minus_out; |
| 681 | 681 | ||
| 682 | } |
682 | } |
| 683 | 683 | ||
| 684 | if (flags & __PRINTF_FLAG_SIGNED) { |
684 | if (flags & __PRINTF_FLAG_SIGNED) { |
| 685 | if (number & (0x1 << (size * 8 - 1))) { |
685 | if (number & (0x1 << (size * 8 - 1))) { |
| 686 | flags |= __PRINTF_FLAG_NEGATIVE; |
686 | flags |= __PRINTF_FLAG_NEGATIVE; |
| 687 | 687 | ||
| 688 | if (size == sizeof(uint64_t)) { |
688 | if (size == sizeof(uint64_t)) { |
| 689 | number = -((int64_t)number); |
689 | number = -((int64_t)number); |
| 690 | } else { |
690 | } else { |
| 691 | number = ~number; |
691 | number = ~number; |
| 692 | number &= |
692 | number &= |
| 693 | ~(0xFFFFFFFFFFFFFFFFll << |
693 | ~(0xFFFFFFFFFFFFFFFFll << |
| 694 | (size * 8)); |
694 | (size * 8)); |
| 695 | number++; |
695 | number++; |
| 696 | } |
696 | } |
| 697 | } |
697 | } |
| 698 | } |
698 | } |
| 699 | 699 | ||
| 700 | if ((retval = print_number(number, width, precision, |
700 | if ((retval = print_number(number, width, precision, |
| 701 | base, flags, ps)) < 0 ) { |
701 | base, flags, ps)) < 0 ) { |
| 702 | goto minus_out; |
702 | goto minus_out; |
| 703 | } |
703 | } |
| 704 | 704 | ||
| 705 | counter += retval; |
705 | counter += retval; |
| 706 | j = i + 1; |
706 | j = i + 1; |
| 707 | } |
707 | } |
| 708 | next_char: |
708 | next_char: |
| 709 | 709 | ||
| 710 | ++i; |
710 | ++i; |
| 711 | } |
711 | } |
| 712 | 712 | ||
| 713 | if (i > j) { |
713 | if (i > j) { |
| 714 | retval = printf_putnchars(&fmt[j], (size_t)(i - j), ps); |
714 | retval = printf_putnchars(&fmt[j], (size_t)(i - j), ps); |
| 715 | if (retval < 0) { /* error */ |
715 | if (retval < 0) { /* error */ |
| 716 | goto minus_out; |
716 | goto minus_out; |
| 717 | } |
717 | } |
| 718 | counter += retval; |
718 | counter += retval; |
| 719 | } |
719 | } |
| 720 | 720 | ||
| 721 | return counter; |
721 | return counter; |
| 722 | minus_out: |
722 | minus_out: |
| 723 | return -counter; |
723 | return -counter; |
| 724 | } |
724 | } |
| 725 | 725 | ||
| 726 | /** @} |
726 | /** @} |
| 727 | */ |
727 | */ |
| 728 | 728 | ||