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1 /* crypto/bio/b_print.c */ |
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2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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3 * All rights reserved. |
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4 * |
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5 * This package is an SSL implementation written |
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6 * by Eric Young (eay@cryptsoft.com). |
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7 * The implementation was written so as to conform with Netscapes SSL. |
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8 * |
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9 * This library is free for commercial and non-commercial use as long as |
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10 * the following conditions are aheared to. The following conditions |
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11 * apply to all code found in this distribution, be it the RC4, RSA, |
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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13 * included with this distribution is covered by the same copyright terms |
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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15 * |
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16 * Copyright remains Eric Young's, and as such any Copyright notices in |
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17 * the code are not to be removed. |
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18 * If this package is used in a product, Eric Young should be given attribution |
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19 * as the author of the parts of the library used. |
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20 * This can be in the form of a textual message at program startup or |
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21 * in documentation (online or textual) provided with the package. |
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22 * |
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23 * Redistribution and use in source and binary forms, with or without |
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24 * modification, are permitted provided that the following conditions |
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25 * are met: |
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26 * 1. Redistributions of source code must retain the copyright |
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27 * notice, this list of conditions and the following disclaimer. |
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28 * 2. Redistributions in binary form must reproduce the above copyright |
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29 * notice, this list of conditions and the following disclaimer in the |
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30 * documentation and/or other materials provided with the distribution. |
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31 * 3. All advertising materials mentioning features or use of this software |
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32 * must display the following acknowledgement: |
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33 * "This product includes cryptographic software written by |
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34 * Eric Young (eay@cryptsoft.com)" |
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35 * The word 'cryptographic' can be left out if the rouines from the library |
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36 * being used are not cryptographic related :-). |
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37 * 4. If you include any Windows specific code (or a derivative thereof) from |
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38 * the apps directory (application code) you must include an acknowledgement: |
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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51 * SUCH DAMAGE. |
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52 * |
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53 * The licence and distribution terms for any publically available version or |
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
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55 * copied and put under another distribution licence |
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56 * [including the GNU Public Licence.] |
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57 */ |
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58 /* |
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59 © Portions copyright (c) 2006 Nokia Corporation. All rights reserved. |
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60 */ |
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61 /* disable assert() unless BIO_DEBUG has been defined */ |
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62 #ifndef BIO_DEBUG |
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63 # ifndef NDEBUG |
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64 # define NDEBUG |
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65 # endif |
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66 #endif |
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67 |
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68 /* |
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69 * Stolen from tjh's ssl/ssl_trc.c stuff. |
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70 */ |
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71 |
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72 #include <stdio.h> |
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73 #include <string.h> |
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74 #include <ctype.h> |
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75 #include <assert.h> |
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76 #include <limits.h> |
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77 #include "cryptlib.h" |
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78 #ifndef NO_SYS_TYPES_H |
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79 #include <sys/types.h> |
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80 #endif |
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81 #include <openssl/bn.h> /* To get BN_LLONG properly defined */ |
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82 #include <openssl/bio.h> |
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83 |
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84 #if defined(BN_LLONG) || defined(SIXTY_FOUR_BIT) |
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85 # ifndef HAVE_LONG_LONG |
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86 # define HAVE_LONG_LONG 1 |
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87 # endif |
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88 #endif |
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89 |
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90 /***************************************************************************/ |
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91 |
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92 /* |
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93 * Copyright Patrick Powell 1995 |
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94 * This code is based on code written by Patrick Powell <papowell@astart.com> |
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95 * It may be used for any purpose as long as this notice remains intact |
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96 * on all source code distributions. |
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97 */ |
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98 |
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99 /* |
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100 * This code contains numerious changes and enhancements which were |
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101 * made by lots of contributors over the last years to Patrick Powell's |
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102 * original code: |
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103 * |
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104 * o Patrick Powell <papowell@astart.com> (1995) |
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105 * o Brandon Long <blong@fiction.net> (1996, for Mutt) |
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106 * o Thomas Roessler <roessler@guug.de> (1998, for Mutt) |
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107 * o Michael Elkins <me@cs.hmc.edu> (1998, for Mutt) |
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108 * o Andrew Tridgell <tridge@samba.org> (1998, for Samba) |
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109 * o Luke Mewburn <lukem@netbsd.org> (1999, for LukemFTP) |
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110 * o Ralf S. Engelschall <rse@engelschall.com> (1999, for Pth) |
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111 * o ... (for OpenSSL) |
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112 */ |
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113 |
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114 #ifdef HAVE_LONG_DOUBLE |
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115 #define LDOUBLE long double |
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116 #else |
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117 #define LDOUBLE double |
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118 #endif |
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119 |
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120 #if HAVE_LONG_LONG |
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121 # if defined(OPENSSL_SYS_WIN32) && !defined(__GNUC__) |
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122 # define LLONG __int64 |
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123 # else |
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124 # define LLONG long long |
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125 # endif |
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126 #else |
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127 #define LLONG long |
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128 #endif |
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129 |
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130 static void fmtstr (char **, char **, size_t *, size_t *, |
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131 const char *, int, int, int); |
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132 static void fmtint (char **, char **, size_t *, size_t *, |
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133 LLONG, int, int, int, int); |
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134 static void fmtfp (char **, char **, size_t *, size_t *, |
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135 LDOUBLE, int, int, int); |
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136 static void doapr_outch (char **, char **, size_t *, size_t *, int); |
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137 static void _dopr(char **sbuffer, char **buffer, |
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138 size_t *maxlen, size_t *retlen, int *truncated, |
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139 const char *format, va_list args); |
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140 |
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141 /* format read states */ |
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142 #define DP_S_DEFAULT 0 |
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143 #define DP_S_FLAGS 1 |
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144 #define DP_S_MIN 2 |
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145 #define DP_S_DOT 3 |
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146 #define DP_S_MAX 4 |
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147 #define DP_S_MOD 5 |
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148 #define DP_S_CONV 6 |
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149 #define DP_S_DONE 7 |
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150 |
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151 /* format flags - Bits */ |
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152 #define DP_F_MINUS (1 << 0) |
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153 #define DP_F_PLUS (1 << 1) |
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154 #define DP_F_SPACE (1 << 2) |
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155 #define DP_F_NUM (1 << 3) |
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156 #define DP_F_ZERO (1 << 4) |
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157 #define DP_F_UP (1 << 5) |
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158 #define DP_F_UNSIGNED (1 << 6) |
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159 |
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160 /* conversion flags */ |
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161 #define DP_C_SHORT 1 |
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162 #define DP_C_LONG 2 |
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163 #define DP_C_LDOUBLE 3 |
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164 #define DP_C_LLONG 4 |
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165 |
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166 /* some handy macros */ |
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167 #define char_to_int(p) (p - '0') |
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168 #define OSSL_MAX(p,q) ((p >= q) ? p : q) |
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169 |
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170 static void |
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171 _dopr( |
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172 char **sbuffer, |
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173 char **buffer, |
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174 size_t *maxlen, |
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175 size_t *retlen, |
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176 int *truncated, |
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177 const char *format, |
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178 va_list args) |
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179 { |
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180 char ch; |
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181 LLONG value; |
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182 LDOUBLE fvalue; |
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183 char *strvalue; |
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184 int min; |
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185 int max; |
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186 int state; |
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187 int flags; |
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188 int cflags; |
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189 size_t currlen; |
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190 |
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191 state = DP_S_DEFAULT; |
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192 flags = currlen = cflags = min = 0; |
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193 max = -1; |
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194 ch = *format++; |
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195 |
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196 while (state != DP_S_DONE) { |
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197 if (ch == '\0' || (buffer == NULL && currlen >= *maxlen)) |
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198 state = DP_S_DONE; |
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199 |
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200 switch (state) { |
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201 case DP_S_DEFAULT: |
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202 if (ch == '%') |
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203 state = DP_S_FLAGS; |
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204 else |
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205 doapr_outch(sbuffer,buffer, &currlen, maxlen, ch); |
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206 ch = *format++; |
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207 break; |
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208 case DP_S_FLAGS: |
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209 switch (ch) { |
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210 case '-': |
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211 flags |= DP_F_MINUS; |
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212 ch = *format++; |
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213 break; |
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214 case '+': |
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215 flags |= DP_F_PLUS; |
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216 ch = *format++; |
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217 break; |
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218 case ' ': |
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219 flags |= DP_F_SPACE; |
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220 ch = *format++; |
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221 break; |
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222 case '#': |
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223 flags |= DP_F_NUM; |
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224 ch = *format++; |
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225 break; |
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226 case '0': |
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227 flags |= DP_F_ZERO; |
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228 ch = *format++; |
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229 break; |
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230 default: |
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231 state = DP_S_MIN; |
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232 break; |
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233 } |
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234 break; |
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235 case DP_S_MIN: |
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236 if (isdigit((unsigned char)ch)) { |
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237 min = 10 * min + char_to_int(ch); |
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238 ch = *format++; |
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239 } else if (ch == '*') { |
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240 min = va_arg(args, int); |
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241 ch = *format++; |
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242 state = DP_S_DOT; |
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243 } else |
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244 state = DP_S_DOT; |
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245 break; |
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246 case DP_S_DOT: |
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247 if (ch == '.') { |
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248 state = DP_S_MAX; |
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249 ch = *format++; |
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250 } else |
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251 state = DP_S_MOD; |
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252 break; |
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253 case DP_S_MAX: |
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254 if (isdigit((unsigned char)ch)) { |
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255 if (max < 0) |
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256 max = 0; |
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257 max = 10 * max + char_to_int(ch); |
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258 ch = *format++; |
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259 } else if (ch == '*') { |
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260 max = va_arg(args, int); |
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261 ch = *format++; |
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262 state = DP_S_MOD; |
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263 } else |
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264 state = DP_S_MOD; |
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265 break; |
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266 case DP_S_MOD: |
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267 switch (ch) { |
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268 case 'h': |
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269 cflags = DP_C_SHORT; |
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270 ch = *format++; |
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271 break; |
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272 case 'l': |
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273 if (*format == 'l') { |
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274 cflags = DP_C_LLONG; |
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275 format++; |
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276 } else |
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277 cflags = DP_C_LONG; |
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278 ch = *format++; |
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279 break; |
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280 case 'q': |
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281 cflags = DP_C_LLONG; |
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282 ch = *format++; |
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283 break; |
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284 case 'L': |
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285 cflags = DP_C_LDOUBLE; |
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286 ch = *format++; |
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287 break; |
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288 default: |
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289 break; |
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290 } |
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291 state = DP_S_CONV; |
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292 break; |
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293 case DP_S_CONV: |
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294 switch (ch) { |
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295 case 'd': |
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296 case 'i': |
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297 switch (cflags) { |
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298 case DP_C_SHORT: |
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299 value = (short int)va_arg(args, int); |
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300 break; |
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301 case DP_C_LONG: |
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302 value = va_arg(args, long int); |
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303 break; |
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304 case DP_C_LLONG: |
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305 value = va_arg(args, LLONG); |
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306 break; |
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307 default: |
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308 value = va_arg(args, int); |
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309 break; |
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310 } |
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311 fmtint(sbuffer, buffer, &currlen, maxlen, |
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312 value, 10, min, max, flags); |
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313 break; |
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314 case 'X': |
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315 flags |= DP_F_UP; |
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316 /* FALLTHROUGH */ |
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317 case 'x': |
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318 case 'o': |
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319 case 'u': |
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320 flags |= DP_F_UNSIGNED; |
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321 switch (cflags) { |
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322 case DP_C_SHORT: |
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323 value = (unsigned short int)va_arg(args, unsigned int); |
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324 break; |
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325 case DP_C_LONG: |
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326 value = (LLONG) va_arg(args, |
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327 unsigned long int); |
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328 break; |
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329 case DP_C_LLONG: |
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330 value = va_arg(args, unsigned LLONG); |
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331 break; |
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332 default: |
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333 value = (LLONG) va_arg(args, |
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334 unsigned int); |
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335 break; |
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336 } |
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337 fmtint(sbuffer, buffer, &currlen, maxlen, value, |
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338 ch == 'o' ? 8 : (ch == 'u' ? 10 : 16), |
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339 min, max, flags); |
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340 break; |
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341 case 'f': |
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342 if (cflags == DP_C_LDOUBLE) |
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343 fvalue = va_arg(args, LDOUBLE); |
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344 else |
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345 fvalue = va_arg(args, double); |
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346 fmtfp(sbuffer, buffer, &currlen, maxlen, |
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347 fvalue, min, max, flags); |
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348 break; |
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349 case 'E': |
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350 flags |= DP_F_UP; |
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351 case 'e': |
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352 if (cflags == DP_C_LDOUBLE) |
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353 fvalue = va_arg(args, LDOUBLE); |
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354 else |
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355 fvalue = va_arg(args, double); |
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356 break; |
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357 case 'G': |
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358 flags |= DP_F_UP; |
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359 case 'g': |
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360 if (cflags == DP_C_LDOUBLE) |
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361 fvalue = va_arg(args, LDOUBLE); |
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362 else |
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363 fvalue = va_arg(args, double); |
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364 break; |
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365 case 'c': |
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366 doapr_outch(sbuffer, buffer, &currlen, maxlen, |
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367 va_arg(args, int)); |
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368 break; |
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369 case 's': |
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370 strvalue = va_arg(args, char *); |
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371 if (max < 0) { |
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372 if (buffer) |
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373 max = INT_MAX; |
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374 else |
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375 max = *maxlen; |
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376 } |
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377 fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue, |
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378 flags, min, max); |
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379 break; |
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380 case 'p': |
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381 value = (long)va_arg(args, void *); |
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382 fmtint(sbuffer, buffer, &currlen, maxlen, |
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383 value, 16, min, max, flags|DP_F_NUM); |
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384 break; |
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385 case 'n': /* XXX */ |
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386 if (cflags == DP_C_SHORT) { |
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387 short int *num; |
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388 num = va_arg(args, short int *); |
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389 *num = currlen; |
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390 } else if (cflags == DP_C_LONG) { /* XXX */ |
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391 long int *num; |
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392 num = va_arg(args, long int *); |
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393 *num = (long int) currlen; |
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394 } else if (cflags == DP_C_LLONG) { /* XXX */ |
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395 LLONG *num; |
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396 num = va_arg(args, LLONG *); |
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397 *num = (LLONG) currlen; |
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398 } else { |
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399 int *num; |
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400 num = va_arg(args, int *); |
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401 *num = currlen; |
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402 } |
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403 break; |
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404 case '%': |
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405 doapr_outch(sbuffer, buffer, &currlen, maxlen, ch); |
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406 break; |
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407 case 'w': |
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408 /* not supported yet, treat as next char */ |
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409 ch = *format++; |
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410 break; |
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411 default: |
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412 /* unknown, skip */ |
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413 break; |
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414 } |
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415 ch = *format++; |
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416 state = DP_S_DEFAULT; |
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417 flags = cflags = min = 0; |
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418 max = -1; |
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419 break; |
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420 case DP_S_DONE: |
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421 break; |
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422 default: |
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423 break; |
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424 } |
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425 } |
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426 *truncated = (currlen > *maxlen - 1); |
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427 if (*truncated) |
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428 currlen = *maxlen - 1; |
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429 doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'); |
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430 *retlen = currlen - 1; |
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431 return; |
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432 } |
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433 |
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434 static void |
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435 fmtstr( |
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436 char **sbuffer, |
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437 char **buffer, |
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438 size_t *currlen, |
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439 size_t *maxlen, |
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440 const char *value, |
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441 int flags, |
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442 int min, |
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443 int max) |
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444 { |
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445 int padlen, strln; |
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446 int cnt = 0; |
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447 |
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448 if (value == 0) |
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449 value = "<NULL>"; |
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450 for (strln = 0; value[strln]; ++strln) |
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451 ; |
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452 padlen = min - strln; |
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453 if (padlen < 0) |
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454 padlen = 0; |
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455 if (flags & DP_F_MINUS) |
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456 padlen = -padlen; |
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457 |
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458 while ((padlen > 0) && (cnt < max)) { |
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459 doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); |
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460 --padlen; |
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461 ++cnt; |
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462 } |
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463 while (*value && (cnt < max)) { |
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464 doapr_outch(sbuffer, buffer, currlen, maxlen, *value++); |
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465 ++cnt; |
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466 } |
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467 while ((padlen < 0) && (cnt < max)) { |
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468 doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); |
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469 ++padlen; |
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470 ++cnt; |
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471 } |
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472 } |
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473 |
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474 static void |
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475 fmtint( |
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476 char **sbuffer, |
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477 char **buffer, |
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478 size_t *currlen, |
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479 size_t *maxlen, |
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480 LLONG value, |
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481 int base, |
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482 int min, |
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483 int max, |
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484 int flags) |
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485 { |
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486 int signvalue = 0; |
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487 const char *prefix = ""; |
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488 unsigned LLONG uvalue; |
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489 char convert[DECIMAL_SIZE(value)+3]; |
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490 int place = 0; |
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491 int spadlen = 0; |
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492 int zpadlen = 0; |
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493 int caps = 0; |
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494 |
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495 if (max < 0) |
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496 max = 0; |
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497 uvalue = value; |
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498 if (!(flags & DP_F_UNSIGNED)) { |
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499 if (value < 0) { |
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500 signvalue = '-'; |
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501 uvalue = -value; |
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502 } else if (flags & DP_F_PLUS) |
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503 signvalue = '+'; |
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504 else if (flags & DP_F_SPACE) |
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505 signvalue = ' '; |
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506 } |
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507 if (flags & DP_F_NUM) { |
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508 if (base == 8) prefix = "0"; |
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509 if (base == 16) prefix = "0x"; |
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510 } |
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511 if (flags & DP_F_UP) |
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512 caps = 1; |
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513 do { |
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514 convert[place++] = |
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515 (caps ? "0123456789ABCDEF" : "0123456789abcdef") |
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516 [uvalue % (unsigned) base]; |
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517 uvalue = (uvalue / (unsigned) base); |
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518 } while (uvalue && (place < (int)sizeof(convert))); |
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519 if (place == sizeof(convert)) |
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520 place--; |
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521 convert[place] = 0; |
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522 |
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523 zpadlen = max - place; |
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524 spadlen = min - OSSL_MAX(max, place) - (signvalue ? 1 : 0) - strlen(prefix); |
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525 if (zpadlen < 0) |
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526 zpadlen = 0; |
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527 if (spadlen < 0) |
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528 spadlen = 0; |
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529 if (flags & DP_F_ZERO) { |
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530 zpadlen = OSSL_MAX(zpadlen, spadlen); |
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531 spadlen = 0; |
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532 } |
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533 if (flags & DP_F_MINUS) |
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534 spadlen = -spadlen; |
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535 |
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536 /* spaces */ |
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537 while (spadlen > 0) { |
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538 doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); |
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539 --spadlen; |
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540 } |
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541 |
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542 /* sign */ |
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543 if (signvalue) |
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544 doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); |
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545 |
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546 /* prefix */ |
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547 while (*prefix) { |
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548 doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix); |
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549 prefix++; |
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550 } |
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551 |
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552 /* zeros */ |
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553 if (zpadlen > 0) { |
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554 while (zpadlen > 0) { |
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555 doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); |
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556 --zpadlen; |
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557 } |
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558 } |
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559 /* digits */ |
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560 while (place > 0) |
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561 doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]); |
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562 |
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563 /* left justified spaces */ |
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564 while (spadlen < 0) { |
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565 doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); |
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566 ++spadlen; |
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567 } |
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568 return; |
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569 } |
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570 |
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571 static LDOUBLE |
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572 abs_val(LDOUBLE value) |
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573 { |
|
574 LDOUBLE result = value; |
|
575 if (value < 0) |
|
576 result = -value; |
|
577 return result; |
|
578 } |
|
579 |
|
580 static LDOUBLE |
|
581 pow_10(int in_exp) |
|
582 { |
|
583 LDOUBLE result = 1; |
|
584 while (in_exp) { |
|
585 result *= 10; |
|
586 in_exp--; |
|
587 } |
|
588 return result; |
|
589 } |
|
590 |
|
591 static long |
|
592 roundv(LDOUBLE value) |
|
593 { |
|
594 long intpart; |
|
595 intpart = (long) value; |
|
596 value = value - intpart; |
|
597 if (value >= 0.5) |
|
598 intpart++; |
|
599 return intpart; |
|
600 } |
|
601 |
|
602 static void |
|
603 fmtfp( |
|
604 char **sbuffer, |
|
605 char **buffer, |
|
606 size_t *currlen, |
|
607 size_t *maxlen, |
|
608 LDOUBLE fvalue, |
|
609 int min, |
|
610 int max, |
|
611 int flags) |
|
612 { |
|
613 int signvalue = 0; |
|
614 LDOUBLE ufvalue; |
|
615 char iconvert[20]; |
|
616 char fconvert[20]; |
|
617 int iplace = 0; |
|
618 int fplace = 0; |
|
619 int padlen = 0; |
|
620 int zpadlen = 0; |
|
621 int caps = 0; |
|
622 long intpart; |
|
623 long fracpart; |
|
624 long max10; |
|
625 |
|
626 if (max < 0) |
|
627 max = 6; |
|
628 ufvalue = abs_val(fvalue); |
|
629 if (fvalue < 0) |
|
630 signvalue = '-'; |
|
631 else if (flags & DP_F_PLUS) |
|
632 signvalue = '+'; |
|
633 else if (flags & DP_F_SPACE) |
|
634 signvalue = ' '; |
|
635 |
|
636 intpart = (long)ufvalue; |
|
637 |
|
638 /* sorry, we only support 9 digits past the decimal because of our |
|
639 conversion method */ |
|
640 if (max > 9) |
|
641 max = 9; |
|
642 |
|
643 /* we "cheat" by converting the fractional part to integer by |
|
644 multiplying by a factor of 10 */ |
|
645 max10 = roundv(pow_10(max)); |
|
646 fracpart = roundv(pow_10(max) * (ufvalue - intpart)); |
|
647 |
|
648 if (fracpart >= max10) { |
|
649 intpart++; |
|
650 fracpart -= max10; |
|
651 } |
|
652 |
|
653 /* convert integer part */ |
|
654 do { |
|
655 iconvert[iplace++] = |
|
656 (caps ? "0123456789ABCDEF" |
|
657 : "0123456789abcdef")[intpart % 10]; |
|
658 intpart = (intpart / 10); |
|
659 } while (intpart && (iplace < (int)sizeof(iconvert))); |
|
660 if (iplace == sizeof iconvert) |
|
661 iplace--; |
|
662 iconvert[iplace] = 0; |
|
663 |
|
664 /* convert fractional part */ |
|
665 do { |
|
666 fconvert[fplace++] = |
|
667 (caps ? "0123456789ABCDEF" |
|
668 : "0123456789abcdef")[fracpart % 10]; |
|
669 fracpart = (fracpart / 10); |
|
670 } while (fplace < max); |
|
671 if (fplace == sizeof fconvert) |
|
672 fplace--; |
|
673 fconvert[fplace] = 0; |
|
674 |
|
675 /* -1 for decimal point, another -1 if we are printing a sign */ |
|
676 padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0); |
|
677 zpadlen = max - fplace; |
|
678 if (zpadlen < 0) |
|
679 zpadlen = 0; |
|
680 if (padlen < 0) |
|
681 padlen = 0; |
|
682 if (flags & DP_F_MINUS) |
|
683 padlen = -padlen; |
|
684 |
|
685 if ((flags & DP_F_ZERO) && (padlen > 0)) { |
|
686 if (signvalue) { |
|
687 doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); |
|
688 --padlen; |
|
689 signvalue = 0; |
|
690 } |
|
691 while (padlen > 0) { |
|
692 doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); |
|
693 --padlen; |
|
694 } |
|
695 } |
|
696 while (padlen > 0) { |
|
697 doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); |
|
698 --padlen; |
|
699 } |
|
700 if (signvalue) |
|
701 doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); |
|
702 |
|
703 while (iplace > 0) |
|
704 doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]); |
|
705 |
|
706 /* |
|
707 * Decimal point. This should probably use locale to find the correct |
|
708 * char to print out. |
|
709 */ |
|
710 if (max > 0 || (flags & DP_F_NUM)) { |
|
711 doapr_outch(sbuffer, buffer, currlen, maxlen, '.'); |
|
712 |
|
713 while (fplace > 0) |
|
714 doapr_outch(sbuffer, buffer, currlen, maxlen, fconvert[--fplace]); |
|
715 } |
|
716 while (zpadlen > 0) { |
|
717 doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); |
|
718 --zpadlen; |
|
719 } |
|
720 |
|
721 while (padlen < 0) { |
|
722 doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); |
|
723 ++padlen; |
|
724 } |
|
725 } |
|
726 |
|
727 static void |
|
728 doapr_outch( |
|
729 char **sbuffer, |
|
730 char **buffer, |
|
731 size_t *currlen, |
|
732 size_t *maxlen, |
|
733 int c) |
|
734 { |
|
735 /* If we haven't at least one buffer, someone has doe a big booboo */ |
|
736 assert(*sbuffer != NULL || buffer != NULL); |
|
737 |
|
738 if (buffer) { |
|
739 while (*currlen >= *maxlen) { |
|
740 if (*buffer == NULL) { |
|
741 if (*maxlen == 0) |
|
742 *maxlen = 1024; |
|
743 *buffer = OPENSSL_malloc(*maxlen); |
|
744 if (*currlen > 0) { |
|
745 assert(*sbuffer != NULL); |
|
746 memcpy(*buffer, *sbuffer, *currlen); |
|
747 } |
|
748 *sbuffer = NULL; |
|
749 } else { |
|
750 *maxlen += 1024; |
|
751 *buffer = OPENSSL_realloc(*buffer, *maxlen); |
|
752 } |
|
753 } |
|
754 /* What to do if *buffer is NULL? */ |
|
755 assert(*sbuffer != NULL || *buffer != NULL); |
|
756 } |
|
757 |
|
758 if (*currlen < *maxlen) { |
|
759 if (*sbuffer) |
|
760 (*sbuffer)[(*currlen)++] = (char)c; |
|
761 else |
|
762 (*buffer)[(*currlen)++] = (char)c; |
|
763 } |
|
764 |
|
765 return; |
|
766 } |
|
767 |
|
768 /***************************************************************************/ |
|
769 |
|
770 EXPORT_C int BIO_printf (BIO *bio, const char *format, ...) |
|
771 { |
|
772 va_list args; |
|
773 int ret; |
|
774 |
|
775 va_start(args, format); |
|
776 |
|
777 ret = BIO_vprintf(bio, format, args); |
|
778 |
|
779 va_end(args); |
|
780 return(ret); |
|
781 } |
|
782 |
|
783 EXPORT_C int BIO_vprintf (BIO *bio, const char *format, va_list args) |
|
784 { |
|
785 int ret; |
|
786 size_t retlen; |
|
787 #ifndef SYMBIAN |
|
788 char hugebuf[1024*2]; /* Was previously 10k, which is unreasonable |
|
789 in small-stack environments, like threads |
|
790 or DOS programs. */ |
|
791 #else |
|
792 char hugebuf[512]; |
|
793 #endif |
|
794 char *hugebufp = hugebuf; |
|
795 size_t hugebufsize = sizeof(hugebuf); |
|
796 char *dynbuf = NULL; |
|
797 int ignored; |
|
798 |
|
799 dynbuf = NULL; |
|
800 CRYPTO_push_info("doapr()"); |
|
801 _dopr(&hugebufp, &dynbuf, &hugebufsize, |
|
802 &retlen, &ignored, format, args); |
|
803 if (dynbuf) |
|
804 { |
|
805 ret=BIO_write(bio, dynbuf, (int)retlen); |
|
806 OPENSSL_free(dynbuf); |
|
807 } |
|
808 else |
|
809 { |
|
810 ret=BIO_write(bio, hugebuf, (int)retlen); |
|
811 } |
|
812 CRYPTO_pop_info(); |
|
813 return(ret); |
|
814 } |
|
815 |
|
816 /* As snprintf is not available everywhere, we provide our own implementation. |
|
817 * This function has nothing to do with BIOs, but it's closely related |
|
818 * to BIO_printf, and we need *some* name prefix ... |
|
819 * (XXX the function should be renamed, but to what?) */ |
|
820 EXPORT_C int BIO_snprintf(char *buf, size_t n, const char *format, ...) |
|
821 { |
|
822 va_list args; |
|
823 int ret; |
|
824 |
|
825 va_start(args, format); |
|
826 |
|
827 ret = BIO_vsnprintf(buf, n, format, args); |
|
828 |
|
829 va_end(args); |
|
830 return(ret); |
|
831 } |
|
832 |
|
833 EXPORT_C int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) |
|
834 { |
|
835 size_t retlen; |
|
836 int truncated; |
|
837 |
|
838 _dopr(&buf, NULL, &n, &retlen, &truncated, format, args); |
|
839 |
|
840 if (truncated) |
|
841 /* In case of truncation, return -1 like traditional snprintf. |
|
842 * (Current drafts for ISO/IEC 9899 say snprintf should return |
|
843 * the number of characters that would have been written, |
|
844 * had the buffer been large enough.) */ |
|
845 return -1; |
|
846 else |
|
847 return (retlen <= INT_MAX) ? (int)retlen : -1; |
|
848 } |