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Rev | Author | Line No. | Line |
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974 | cejka | 1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
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3 | * Copyright (C) 2006 Josef Cejka |
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4 | * All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * |
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10 | * - Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * - Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * - The name of the author may not be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #include <stdio.h> |
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31 | #include <unistd.h> |
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32 | #include <io/io.h> |
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33 | #include <stdarg.h> |
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1173 | cejka | 34 | #include <ctype.h> |
35 | #include <string.h> |
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974 | cejka | 36 | |
1073 | cejka | 37 | #define __PRINTF_FLAG_PREFIX 0x00000001 /* show prefixes 0x or 0*/ |
38 | #define __PRINTF_FLAG_SIGNED 0x00000002 /* signed / unsigned number */ |
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39 | #define __PRINTF_FLAG_ZEROPADDED 0x00000004 /* print leading zeroes */ |
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40 | #define __PRINTF_FLAG_LEFTALIGNED 0x00000010 /* align to left */ |
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41 | #define __PRINTF_FLAG_SHOWPLUS 0x00000020 /* always show + sign */ |
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42 | #define __PRINTF_FLAG_SPACESIGN 0x00000040 /* print space instead of plus */ |
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43 | #define __PRINTF_FLAG_BIGCHARS 0x00000080 /* show big characters */ |
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44 | #define __PRINTF_FLAG_NEGATIVE 0x00000100 /* number has - sign */ |
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995 | cejka | 45 | |
1073 | cejka | 46 | #define PRINT_NUMBER_BUFFER_SIZE (64+5) /* Buffer big enought for 64 bit number |
47 | * printed in base 2, sign, prefix and |
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48 | * 0 to terminate string.. (last one is only for better testing |
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49 | * end of buffer by zero-filling subroutine) |
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50 | */ |
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51 | typedef enum { |
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52 | PrintfQualifierByte = 0, |
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53 | PrintfQualifierShort, |
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54 | PrintfQualifierInt, |
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55 | PrintfQualifierLong, |
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56 | PrintfQualifierLongLong, |
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57 | PrintfQualifierSizeT, |
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58 | PrintfQualifierPointer |
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59 | } qualifier_t; |
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974 | cejka | 60 | |
1073 | cejka | 61 | static char digits_small[] = "0123456789abcdef"; /* Small hexadecimal characters */ |
62 | static char digits_big[] = "0123456789ABCDEF"; /* Big hexadecimal characters */ |
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995 | cejka | 63 | |
1173 | cejka | 64 | |
65 | /** Print one formatted character |
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66 | * @param c character to print |
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67 | * @param width |
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68 | * @param flags |
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69 | * @return number of printed characters or EOF |
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70 | */ |
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71 | static int print_char(char c, int width, uint64_t flags) |
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72 | { |
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73 | int counter = 0; |
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74 | |||
75 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
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76 | while (--width > 0) { /* one space is consumed by character itself hence predecrement */ |
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77 | /* FIXME: painful slow */ |
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78 | putchar(' '); |
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79 | ++counter; |
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80 | } |
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81 | } |
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82 | |||
83 | if (putchar(c) == EOF) { |
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84 | return EOF; |
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85 | } |
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86 | |||
87 | while (--width > 0) { /* one space is consumed by character itself hence predecrement */ |
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88 | putchar(' '); |
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89 | ++counter; |
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90 | } |
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91 | |||
92 | return ++counter; |
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93 | } |
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94 | |||
95 | /** Print one string |
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96 | * @param s string |
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97 | * @param width |
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98 | * @param precision |
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99 | * @param flags |
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100 | * @return number of printed characters or EOF |
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101 | */ |
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102 | |||
103 | static int print_string(char *s, int width, int precision, uint64_t flags) |
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104 | { |
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105 | int counter = 0; |
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106 | size_t size; |
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107 | |||
108 | if (s == NULL) { |
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109 | return putstr("(NULL)"); |
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110 | } |
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111 | |||
112 | size = strlen(s); |
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113 | |||
114 | /* print leading spaces */ |
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115 | |||
116 | if (precision == 0) |
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117 | precision = size; |
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118 | |||
119 | width -= precision; |
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120 | |||
121 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
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122 | while (width-- > 0) { |
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123 | putchar(' '); |
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124 | counter++; |
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125 | } |
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126 | } |
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127 | |||
128 | while (precision > size) { |
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129 | precision--; |
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130 | putchar(' '); |
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131 | ++counter; |
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132 | } |
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133 | |||
134 | if (putnchars(s, precision) == EOF) { |
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135 | return EOF; |
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136 | } |
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137 | |||
138 | counter += precision; |
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139 | |||
140 | while (width-- > 0) { |
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141 | putchar(' '); |
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142 | ++counter; |
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143 | } |
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144 | |||
145 | return ++counter; |
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146 | } |
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147 | |||
148 | |||
974 | cejka | 149 | /** Print number in given base |
150 | * |
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151 | * Print significant digits of a number in given |
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152 | * base. |
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153 | * |
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154 | * @param num Number to print. |
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1173 | cejka | 155 | * @param width |
156 | * @param precision |
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974 | cejka | 157 | * @param base Base to print the number in (should |
158 | * be in range 2 .. 16). |
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1073 | cejka | 159 | * @param flags output modifiers |
160 | * @return number of written characters or EOF |
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974 | cejka | 161 | * |
162 | */ |
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1173 | cejka | 163 | static int print_number(uint64_t num, int width, int precision, int base , uint64_t flags) |
974 | cejka | 164 | { |
1073 | cejka | 165 | char *digits = digits_small; |
166 | char d[PRINT_NUMBER_BUFFER_SIZE]; /* this is good enough even for base == 2, prefix and sign */ |
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167 | char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
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1225 | cejka | 168 | int size = 0; /* size of number with all prefixes and signs */ |
169 | int number_size; /* size of plain number */ |
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1173 | cejka | 170 | int written = 0; |
171 | char sgn; |
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974 | cejka | 172 | |
1073 | cejka | 173 | if (flags & __PRINTF_FLAG_BIGCHARS) |
174 | digits = digits_big; |
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995 | cejka | 175 | |
1073 | cejka | 176 | *ptr-- = 0; /* Put zero at end of string */ |
177 | |||
178 | if (num == 0) { |
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179 | *ptr-- = '0'; |
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1173 | cejka | 180 | size++; |
1073 | cejka | 181 | } else { |
182 | do { |
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183 | *ptr-- = digits[num % base]; |
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1173 | cejka | 184 | size++; |
1073 | cejka | 185 | } while (num /= base); |
186 | } |
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1225 | cejka | 187 | |
188 | number_size = size; |
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189 | |||
1173 | cejka | 190 | /* Collect sum of all prefixes/signs/... to calculate padding and leading zeroes */ |
191 | if (flags & __PRINTF_FLAG_PREFIX) { |
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1073 | cejka | 192 | switch(base) { |
193 | case 2: /* Binary formating is not standard, but usefull */ |
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1173 | cejka | 194 | size += 2; |
1073 | cejka | 195 | break; |
196 | case 8: |
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1173 | cejka | 197 | size++; |
1073 | cejka | 198 | break; |
199 | case 16: |
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1173 | cejka | 200 | size += 2; |
1073 | cejka | 201 | break; |
202 | } |
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203 | } |
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1173 | cejka | 204 | |
205 | sgn = 0; |
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1073 | cejka | 206 | if (flags & __PRINTF_FLAG_SIGNED) { |
207 | if (flags & __PRINTF_FLAG_NEGATIVE) { |
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1173 | cejka | 208 | sgn = '-'; |
209 | size++; |
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1073 | cejka | 210 | } else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
1173 | cejka | 211 | sgn = '+'; |
212 | size++; |
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1073 | cejka | 213 | } else if (flags & __PRINTF_FLAG_SPACESIGN) { |
1173 | cejka | 214 | sgn = ' '; |
215 | size++; |
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1073 | cejka | 216 | } |
217 | } |
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974 | cejka | 218 | |
1073 | cejka | 219 | if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
220 | flags &= ~__PRINTF_FLAG_ZEROPADDED; |
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221 | } |
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1173 | cejka | 222 | |
223 | /* if number is leftaligned or precision is specified then zeropadding is ignored */ |
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1073 | cejka | 224 | if (flags & __PRINTF_FLAG_ZEROPADDED) { |
1173 | cejka | 225 | if ((precision == 0) && (width > size)) { |
1225 | cejka | 226 | precision = width - size + number_size; |
1073 | cejka | 227 | } |
228 | } |
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1173 | cejka | 229 | |
230 | /* print leading spaces */ |
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1225 | cejka | 231 | if (number_size > precision) /* We must print whole number not only a part */ |
232 | precision = number_size; |
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1173 | cejka | 233 | |
1225 | cejka | 234 | width -= precision + size - number_size; |
1073 | cejka | 235 | |
1173 | cejka | 236 | if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
237 | while (width-- > 0) { |
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238 | putchar(' '); |
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239 | written++; |
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240 | } |
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241 | } |
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242 | |||
243 | /* print sign */ |
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244 | if (sgn) { |
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245 | putchar(sgn); |
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246 | written++; |
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247 | } |
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248 | |||
249 | /* print prefix */ |
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250 | |||
251 | if (flags & __PRINTF_FLAG_PREFIX) { |
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252 | switch(base) { |
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253 | case 2: /* Binary formating is not standard, but usefull */ |
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254 | putchar('0'); |
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255 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
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256 | putchar('B'); |
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257 | } else { |
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258 | putchar('b'); |
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259 | } |
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1197 | cejka | 260 | written += 2; |
1173 | cejka | 261 | break; |
262 | case 8: |
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263 | putchar('o'); |
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264 | written++; |
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265 | break; |
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266 | case 16: |
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267 | putchar('0'); |
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268 | if (flags & __PRINTF_FLAG_BIGCHARS) { |
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269 | putchar('X'); |
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270 | } else { |
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271 | putchar('x'); |
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272 | } |
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273 | written += 2; |
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274 | break; |
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275 | } |
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276 | } |
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277 | |||
278 | /* print leading zeroes */ |
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1225 | cejka | 279 | precision -= number_size; |
1173 | cejka | 280 | while (precision-- > 0) { |
281 | putchar('0'); |
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282 | written++; |
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283 | } |
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284 | |||
285 | |||
286 | /* print number itself */ |
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287 | |||
288 | written += putstr(++ptr); |
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289 | |||
290 | /* print ending spaces */ |
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291 | |||
292 | while (width-- > 0) { |
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293 | putchar(' '); |
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294 | written++; |
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295 | } |
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296 | |||
297 | return written; |
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974 | cejka | 298 | } |
299 | |||
300 | |||
301 | /** General formatted text print |
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302 | * |
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1199 | cejka | 303 | * Print string formatted according the fmt parameter |
974 | cejka | 304 | * and variant arguments. Each formatting directive |
1199 | cejka | 305 | * must have the following form: |
306 | * % [ flags ] [ width ] [ .precision ] [ type ] conversion |
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974 | cejka | 307 | * |
1199 | cejka | 308 | * FLAGS: |
309 | * # Force to print prefix. For conversion %o is prefix 0, for %x and %X are prefixes 0x and 0X and for conversion %b is prefix 0b. |
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310 | * - Align to left. |
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311 | * + Print positive sign just as negative. |
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312 | * (space) If printed number is positive and '+' flag is not set, print space in place of sign. |
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313 | * 0 Print 0 as padding instead of spaces. Zeroes are placed between sign and the rest of number. This flag is ignored if '-' flag is specified. |
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314 | * |
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315 | * WIDTH: |
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316 | * Specify minimal width of printed argument. If it is bigger, width is ignored. |
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317 | * If width is specified with a '*' character instead of number, width is taken from parameter list. |
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318 | * Int parameter expected before parameter for processed conversion specification. |
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319 | * If this value is negative it is taken its absolute value and the '-' flag is set. |
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974 | cejka | 320 | * |
1199 | cejka | 321 | * PRECISION: |
322 | * Value precision. For numbers it specifies minimum valid numbers. |
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323 | * Smaller numbers are printed with leading zeroes. Bigger numbers are not affected. |
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324 | * Strings with more than precision characters are cutted of. |
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325 | * Just as width could be '*' used instead a number. |
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326 | * A int value is then expected in parameters. When both width and precision are specified using '*', |
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327 | * first parameter is used for width and second one for precision. |
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328 | * |
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329 | * TYPE: |
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330 | * hh signed or unsigned char |
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331 | * h signed or usigned short |
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332 | * signed or usigned int (default value) |
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333 | * l signed or usigned long int |
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334 | * ll signed or usigned long long int |
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335 | * z size_t type |
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336 | * |
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337 | * |
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338 | * CONVERSIONS: |
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339 | * |
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340 | * % Print percentage character. |
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974 | cejka | 341 | * |
1199 | cejka | 342 | * c Print single character. |
974 | cejka | 343 | * |
1199 | cejka | 344 | * s Print zero terminated string. If a NULL value is passed as value, "(NULL)" is printed instead. |
345 | * |
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346 | * P, p Print value of a pointer. Void * value is expected and it is printed in hexadecimal notation with prefix |
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347 | * ( as with %#X or %#x for 32bit or %#X / %#x for 64bit long pointers) |
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974 | cejka | 348 | * |
1199 | cejka | 349 | * b Print value as unsigned binary number. Prefix is not printed by default. (Nonstandard extension.) |
350 | * |
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351 | * o Print value as unsigned octal number. Prefix is not printed by default. |
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974 | cejka | 352 | * |
1199 | cejka | 353 | * d,i Print signed decimal number. There is no difference between d and i conversion. |
974 | cejka | 354 | * |
1199 | cejka | 355 | * u Print unsigned decimal number. |
974 | cejka | 356 | * |
1199 | cejka | 357 | * X, x Print hexadecimal number with upper- or lower-case. Prefix is not printed by default. |
358 | * |
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974 | cejka | 359 | * All other characters from fmt except the formatting directives |
360 | * are printed in verbatim. |
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361 | * |
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362 | * @param fmt Formatting NULL terminated string. |
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1199 | cejka | 363 | * @return count of printed characters or negative value on fail. |
974 | cejka | 364 | */ |
365 | int printf(const char *fmt, ...) |
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366 | { |
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1073 | cejka | 367 | int i = 0, j = 0; /* i is index of currently processed char from fmt, j is index to the first not printed nonformating character */ |
368 | int end; |
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369 | int counter; /* counter of printed characters */ |
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370 | int retval; /* used to store return values from called functions */ |
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974 | cejka | 371 | va_list ap; |
1073 | cejka | 372 | char c; |
373 | qualifier_t qualifier; /* type of argument */ |
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374 | int base; /* base in which will be parameter (numbers only) printed */ |
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375 | uint64_t number; /* argument value */ |
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376 | size_t size; /* byte size of integer parameter */ |
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1173 | cejka | 377 | int width, precision; |
995 | cejka | 378 | uint64_t flags; |
974 | cejka | 379 | |
380 | counter = 0; |
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381 | va_start(ap, fmt); |
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1173 | cejka | 382 | |
974 | cejka | 383 | while ((c = fmt[i])) { |
992 | jermar | 384 | /* control character */ |
974 | cejka | 385 | if (c == '%' ) { |
992 | jermar | 386 | /* print common characters if any processed */ |
974 | cejka | 387 | if (i > j) { |
995 | cejka | 388 | if ((retval = putnchars(&fmt[j], (size_t)(i - j))) == EOF) { /* error */ |
974 | cejka | 389 | return -counter; |
390 | } |
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391 | counter += retval; |
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392 | } |
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1073 | cejka | 393 | |
394 | j = i; |
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995 | cejka | 395 | /* parse modifiers */ |
396 | flags = 0; |
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1073 | cejka | 397 | end = 0; |
398 | |||
399 | do { |
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400 | ++i; |
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401 | switch (c = fmt[i]) { |
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402 | case '#': flags |= __PRINTF_FLAG_PREFIX; break; |
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403 | case '-': flags |= __PRINTF_FLAG_LEFTALIGNED; break; |
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404 | case '+': flags |= __PRINTF_FLAG_SHOWPLUS; break; |
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405 | case ' ': flags |= __PRINTF_FLAG_SPACESIGN; break; |
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406 | case '0': flags |= __PRINTF_FLAG_ZEROPADDED; break; |
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407 | default: end = 1; |
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408 | }; |
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409 | |||
410 | } while (end == 0); |
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1173 | cejka | 411 | |
412 | /* width & '*' operator */ |
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413 | width = 0; |
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414 | if (isdigit(fmt[i])) { |
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415 | while (isdigit(fmt[i])) { |
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416 | width *= 10; |
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417 | width += fmt[i++] - '0'; |
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418 | } |
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419 | } else if (fmt[i] == '*') { |
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420 | /* get width value from argument list*/ |
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421 | i++; |
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422 | width = (int)va_arg(ap, int); |
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423 | if (width < 0) { |
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424 | /* negative width means to set '-' flag */ |
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425 | width *= -1; |
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426 | flags |= __PRINTF_FLAG_LEFTALIGNED; |
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427 | } |
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428 | } |
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429 | |||
430 | /* precision and '*' operator */ |
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431 | precision = 0; |
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432 | if (fmt[i] == '.') { |
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433 | ++i; |
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434 | if (isdigit(fmt[i])) { |
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435 | while (isdigit(fmt[i])) { |
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436 | precision *= 10; |
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437 | precision += fmt[i++] - '0'; |
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438 | } |
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439 | } else if (fmt[i] == '*') { |
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440 | /* get precision value from argument list*/ |
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441 | i++; |
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442 | precision = (int)va_arg(ap, int); |
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443 | if (precision < 0) { |
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444 | /* negative precision means to ignore it */ |
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445 | precision = 0; |
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446 | } |
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447 | } |
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448 | } |
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1073 | cejka | 449 | |
450 | switch (fmt[i++]) { |
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1173 | cejka | 451 | /** TODO: unimplemented qualifiers: |
452 | * t ptrdiff_t - ISO C 99 |
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453 | */ |
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1073 | cejka | 454 | case 'h': /* char or short */ |
455 | qualifier = PrintfQualifierShort; |
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456 | if (fmt[i] == 'h') { |
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457 | i++; |
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458 | qualifier = PrintfQualifierByte; |
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459 | } |
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460 | break; |
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461 | case 'l': /* long or long long*/ |
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462 | qualifier = PrintfQualifierLong; |
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463 | if (fmt[i] == 'l') { |
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464 | i++; |
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465 | qualifier = PrintfQualifierLongLong; |
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466 | } |
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467 | break; |
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468 | case 'z': /* size_t */ |
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469 | qualifier = PrintfQualifierSizeT; |
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470 | break; |
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471 | default: |
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472 | qualifier = PrintfQualifierInt; /* default type */ |
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473 | --i; |
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995 | cejka | 474 | } |
1073 | cejka | 475 | |
476 | base = 10; |
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477 | |||
974 | cejka | 478 | switch (c = fmt[i]) { |
479 | |||
480 | /* |
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481 | * String and character conversions. |
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482 | */ |
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483 | case 's': |
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1173 | cejka | 484 | if ((retval = print_string(va_arg(ap, char*), width, precision, flags)) == EOF) { |
974 | cejka | 485 | return -counter; |
486 | }; |
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487 | |||
488 | counter += retval; |
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1073 | cejka | 489 | j = i + 1; |
490 | goto next_char; |
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974 | cejka | 491 | case 'c': |
1173 | cejka | 492 | c = va_arg(ap, unsigned int); |
493 | if ((retval = print_char(c, width, flags )) == EOF) { |
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974 | cejka | 494 | return -counter; |
495 | }; |
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496 | |||
497 | counter += retval; |
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1073 | cejka | 498 | j = i + 1; |
499 | goto next_char; |
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974 | cejka | 500 | |
1073 | cejka | 501 | /* |
502 | * Integer values |
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974 | cejka | 503 | */ |
1073 | cejka | 504 | case 'P': /* pointer */ |
505 | flags |= __PRINTF_FLAG_BIGCHARS; |
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974 | cejka | 506 | case 'p': |
1073 | cejka | 507 | flags |= __PRINTF_FLAG_PREFIX; |
508 | base = 16; |
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509 | qualifier = PrintfQualifierPointer; |
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510 | break; |
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511 | case 'b': |
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512 | base = 2; |
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974 | cejka | 513 | break; |
1073 | cejka | 514 | case 'o': |
515 | base = 8; |
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974 | cejka | 516 | break; |
517 | case 'd': |
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995 | cejka | 518 | case 'i': |
1073 | cejka | 519 | flags |= __PRINTF_FLAG_SIGNED; |
520 | case 'u': |
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521 | break; |
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974 | cejka | 522 | case 'X': |
1073 | cejka | 523 | flags |= __PRINTF_FLAG_BIGCHARS; |
974 | cejka | 524 | case 'x': |
1073 | cejka | 525 | base = 16; |
526 | break; |
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527 | /* percentile itself */ |
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528 | case '%': |
||
529 | j = i; |
||
530 | goto next_char; |
||
974 | cejka | 531 | /* |
532 | * Bad formatting. |
||
533 | */ |
||
534 | default: |
||
1073 | cejka | 535 | /* Unknown format |
536 | * now, the j is index of '%' so we will |
||
537 | * print whole bad format sequence |
||
538 | */ |
||
539 | goto next_char; |
||
540 | } |
||
541 | |||
542 | |||
543 | /* Print integers */ |
||
544 | /* print number */ |
||
545 | switch (qualifier) { |
||
546 | case PrintfQualifierByte: |
||
547 | size = sizeof(unsigned char); |
||
548 | number = (uint64_t)va_arg(ap, unsigned int); |
||
549 | break; |
||
550 | case PrintfQualifierShort: |
||
551 | size = sizeof(unsigned short); |
||
552 | number = (uint64_t)va_arg(ap, unsigned int); |
||
553 | break; |
||
554 | case PrintfQualifierInt: |
||
555 | size = sizeof(unsigned int); |
||
556 | number = (uint64_t)va_arg(ap, unsigned int); |
||
557 | break; |
||
558 | case PrintfQualifierLong: |
||
559 | size = sizeof(unsigned long); |
||
560 | number = (uint64_t)va_arg(ap, unsigned long); |
||
561 | break; |
||
562 | case PrintfQualifierLongLong: |
||
563 | size = sizeof(unsigned long long); |
||
564 | number = (uint64_t)va_arg(ap, unsigned long long); |
||
565 | break; |
||
566 | case PrintfQualifierPointer: |
||
567 | size = sizeof(void *); |
||
568 | number = (uint64_t)(unsigned long)va_arg(ap, void *); |
||
569 | break; |
||
570 | case PrintfQualifierSizeT: |
||
571 | size = sizeof(size_t); |
||
572 | number = (uint64_t)va_arg(ap, size_t); |
||
573 | break; |
||
574 | default: /* Unknown qualifier */ |
||
974 | cejka | 575 | return -counter; |
1073 | cejka | 576 | |
974 | cejka | 577 | } |
1073 | cejka | 578 | |
579 | if (flags & __PRINTF_FLAG_SIGNED) { |
||
580 | if (number & (0x1 << (size*8 - 1))) { |
||
581 | flags |= __PRINTF_FLAG_NEGATIVE; |
||
582 | |||
583 | if (size == sizeof(uint64_t)) { |
||
584 | number = -((int64_t)number); |
||
585 | } else { |
||
586 | number = ~number; |
||
587 | number &= (~((0xFFFFFFFFFFFFFFFFll) << (size * 8))); |
||
588 | number++; |
||
589 | } |
||
590 | } |
||
591 | } |
||
592 | |||
1173 | cejka | 593 | if ((retval = print_number(number, width, precision, base, flags)) == EOF ) { |
1073 | cejka | 594 | return -counter; |
595 | }; |
||
596 | |||
597 | counter += retval; |
||
598 | j = i + 1; |
||
974 | cejka | 599 | } |
1073 | cejka | 600 | next_char: |
601 | |||
974 | cejka | 602 | ++i; |
603 | } |
||
604 | |||
975 | cejka | 605 | if (i > j) { |
995 | cejka | 606 | if ((retval = putnchars(&fmt[j], (size_t)(i - j))) == EOF) { /* error */ |
975 | cejka | 607 | return -counter; |
608 | } |
||
609 | counter += retval; |
||
610 | } |
||
611 | |||
974 | cejka | 612 | va_end(ap); |
613 | return counter; |
||
614 | } |
||
615 |