1 | /***************************************************************************
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2 | * _ _ ____ _
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3 | * Project ___| | | | _ \| |
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4 | * / __| | | | |_) | |
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5 | * | (__| |_| | _ <| |___
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6 | * \___|\___/|_| \_\_____|
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7 | *
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8 | * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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9 | *
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10 | * This software is licensed as described in the file COPYING, which
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11 | * you should have received as part of this distribution. The terms
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12 | * are also available at https://curl.se/docs/copyright.html.
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13 | *
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14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 | * copies of the Software, and permit persons to whom the Software is
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16 | * furnished to do so, under the terms of the COPYING file.
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17 | *
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18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 | * KIND, either express or implied.
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20 | *
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21 | * SPDX-License-Identifier: curl
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22 | *
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23 | */
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24 |
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25 | #include "curl_setup.h"
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26 | #include "dynbuf.h"
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27 | #include "curl_printf.h"
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28 | #include <curl/mprintf.h>
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29 |
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30 | #include "curl_memory.h"
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31 | /* The last #include file should be: */
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32 | #include "memdebug.h"
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33 |
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34 | /*
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35 | * If SIZEOF_SIZE_T has not been defined, default to the size of long.
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36 | */
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37 |
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38 | #ifdef HAVE_LONGLONG
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39 | # define LONG_LONG_TYPE long long
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40 | # define HAVE_LONG_LONG_TYPE
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41 | #else
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42 | # if defined(_MSC_VER) && (_MSC_VER >= 900) && (_INTEGRAL_MAX_BITS >= 64)
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43 | # define LONG_LONG_TYPE __int64
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44 | # define HAVE_LONG_LONG_TYPE
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45 | # else
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46 | # undef LONG_LONG_TYPE
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47 | # undef HAVE_LONG_LONG_TYPE
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48 | # endif
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49 | #endif
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50 |
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51 | /*
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52 | * Max integer data types that mprintf.c is capable
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53 | */
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54 |
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55 | #ifdef HAVE_LONG_LONG_TYPE
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56 | # define mp_intmax_t LONG_LONG_TYPE
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57 | # define mp_uintmax_t unsigned LONG_LONG_TYPE
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58 | #else
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59 | # define mp_intmax_t long
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60 | # define mp_uintmax_t unsigned long
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61 | #endif
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62 |
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63 | #define BUFFSIZE 326 /* buffer for long-to-str and float-to-str calcs, should
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64 | fit negative DBL_MAX (317 letters) */
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65 | #define MAX_PARAMETERS 128 /* number of input arguments */
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66 | #define MAX_SEGMENTS 128 /* number of output segments */
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67 |
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68 | #ifdef __AMIGA__
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69 | # undef FORMAT_INT
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70 | #endif
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71 |
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72 | /* Lower-case digits. */
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73 | static const char lower_digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
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74 |
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75 | /* Upper-case digits. */
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76 | static const char upper_digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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77 |
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78 | #define OUTCHAR(x) \
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79 | do { \
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80 | if(!stream(x, userp)) \
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81 | done++; \
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82 | else \
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83 | return done; /* return on failure */ \
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84 | } while(0)
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85 |
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86 | /* Data type to read from the arglist */
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87 | typedef enum {
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88 | FORMAT_STRING,
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89 | FORMAT_PTR,
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90 | FORMAT_INTPTR,
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91 | FORMAT_INT,
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92 | FORMAT_LONG,
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93 | FORMAT_LONGLONG,
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94 | FORMAT_INTU,
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95 | FORMAT_LONGU,
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96 | FORMAT_LONGLONGU,
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97 | FORMAT_DOUBLE,
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98 | FORMAT_LONGDOUBLE,
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99 | FORMAT_WIDTH,
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100 | FORMAT_PRECISION
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101 | } FormatType;
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102 |
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103 | /* conversion and display flags */
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104 | enum {
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105 | FLAGS_SPACE = 1<<0,
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106 | FLAGS_SHOWSIGN = 1<<1,
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107 | FLAGS_LEFT = 1<<2,
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108 | FLAGS_ALT = 1<<3,
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109 | FLAGS_SHORT = 1<<4,
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110 | FLAGS_LONG = 1<<5,
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111 | FLAGS_LONGLONG = 1<<6,
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112 | FLAGS_LONGDOUBLE = 1<<7,
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113 | FLAGS_PAD_NIL = 1<<8,
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114 | FLAGS_UNSIGNED = 1<<9,
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115 | FLAGS_OCTAL = 1<<10,
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116 | FLAGS_HEX = 1<<11,
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117 | FLAGS_UPPER = 1<<12,
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118 | FLAGS_WIDTH = 1<<13, /* '*' or '*<num>$' used */
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119 | FLAGS_WIDTHPARAM = 1<<14, /* width PARAMETER was specified */
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120 | FLAGS_PREC = 1<<15, /* precision was specified */
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121 | FLAGS_PRECPARAM = 1<<16, /* precision PARAMETER was specified */
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122 | FLAGS_CHAR = 1<<17, /* %c story */
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123 | FLAGS_FLOATE = 1<<18, /* %e or %E */
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124 | FLAGS_FLOATG = 1<<19, /* %g or %G */
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125 | FLAGS_SUBSTR = 1<<20 /* no input, only substring */
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126 | };
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127 |
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128 | enum {
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129 | DOLLAR_UNKNOWN,
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130 | DOLLAR_NOPE,
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131 | DOLLAR_USE
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132 | };
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133 |
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134 | /*
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135 | * Describes an input va_arg type and hold its value.
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136 | */
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137 | struct va_input {
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138 | FormatType type; /* FormatType */
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139 | union {
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140 | char *str;
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141 | void *ptr;
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142 | mp_intmax_t nums; /* signed */
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143 | mp_uintmax_t numu; /* unsigned */
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144 | double dnum;
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145 | } val;
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146 | };
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147 |
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148 | /*
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149 | * Describes an output segment.
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150 | */
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151 | struct outsegment {
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152 | int width; /* width OR width parameter number */
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153 | int precision; /* precision OR precision parameter number */
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154 | unsigned int flags;
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155 | unsigned int input; /* input argument array index */
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156 | char *start; /* format string start to output */
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157 | size_t outlen; /* number of bytes from the format string to output */
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158 | };
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159 |
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160 | struct nsprintf {
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161 | char *buffer;
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162 | size_t length;
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163 | size_t max;
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164 | };
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165 |
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166 | struct asprintf {
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167 | struct dynbuf *b;
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168 | char merr;
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169 | };
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170 |
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171 | /* the provided input number is 1-based but this returns the number 0-based.
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172 |
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173 | returns -1 if no valid number was provided.
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174 | */
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175 | static int dollarstring(char *input, char **end)
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176 | {
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177 | if(ISDIGIT(*input)) {
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178 | int number = 0;
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179 | do {
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180 | if(number < MAX_PARAMETERS) {
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181 | number *= 10;
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182 | number += *input - '0';
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183 | }
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184 | input++;
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185 | } while(ISDIGIT(*input));
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186 |
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187 | if(number && (number <= MAX_PARAMETERS) && ('$' == *input)) {
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188 | *end = ++input;
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189 | return number - 1;
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190 | }
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191 | }
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192 | return -1;
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193 | }
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194 |
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195 | /*
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196 | * Parse the format string.
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197 | *
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198 | * Create two arrays. One describes the inputs, one describes the outputs.
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199 | *
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200 | * Returns zero on success.
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201 | */
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202 |
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203 | #define PFMT_OK 0
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204 | #define PFMT_DOLLAR 1 /* bad dollar for main param */
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205 | #define PFMT_DOLLARWIDTH 2 /* bad dollar use for width */
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206 | #define PFMT_DOLLARPREC 3 /* bad dollar use for precision */
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207 | #define PFMT_MANYARGS 4 /* too many input arguments used */
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208 | #define PFMT_PREC 5 /* precision overflow */
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209 | #define PFMT_PRECMIX 6 /* bad mix of precision specifiers */
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210 | #define PFMT_WIDTH 7 /* width overflow */
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211 | #define PFMT_INPUTGAP 8 /* gap in arguments */
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212 | #define PFMT_WIDTHARG 9 /* attempted to use same arg twice, for width */
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213 | #define PFMT_PRECARG 10 /* attempted to use same arg twice, for prec */
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214 | #define PFMT_MANYSEGS 11 /* maxed out output segments */
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215 |
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216 | static int parsefmt(const char *format,
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217 | struct outsegment *out,
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218 | struct va_input *in,
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219 | int *opieces,
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220 | int *ipieces, va_list arglist)
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221 | {
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222 | char *fmt = (char *)format;
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223 | int param_num = 0;
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224 | int param;
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225 | int width;
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226 | int precision;
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227 | unsigned int flags;
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228 | FormatType type;
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229 | int max_param = -1;
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230 | int i;
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231 | int ocount = 0;
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232 | unsigned char usedinput[MAX_PARAMETERS/8];
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233 | size_t outlen = 0;
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234 | struct outsegment *optr;
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235 | int use_dollar = DOLLAR_UNKNOWN;
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236 | char *start = fmt;
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237 |
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238 | /* clear, set a bit for each used input */
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239 | memset(usedinput, 0, sizeof(usedinput));
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240 |
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241 | while(*fmt) {
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242 | if(*fmt == '%') {
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243 | struct va_input *iptr;
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244 | bool loopit = TRUE;
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245 | fmt++;
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246 | outlen = fmt - start - 1;
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247 | if(*fmt == '%') {
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248 | /* this means a %% that should be output only as %. Create an output
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249 | segment. */
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250 | if(outlen) {
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251 | optr = &out[ocount++];
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252 | if(ocount > MAX_SEGMENTS)
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253 | return PFMT_MANYSEGS;
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254 | optr->input = 0;
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255 | optr->flags = FLAGS_SUBSTR;
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256 | optr->start = start;
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257 | optr->outlen = outlen;
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258 | }
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259 | start = fmt;
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260 | fmt++;
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261 | continue; /* while */
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262 | }
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263 |
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264 | flags = width = precision = 0;
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265 |
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266 | if(use_dollar != DOLLAR_NOPE) {
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267 | param = dollarstring(fmt, &fmt);
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268 | if(param < 0) {
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269 | if(use_dollar == DOLLAR_USE)
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270 | /* illegal combo */
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271 | return PFMT_DOLLAR;
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272 |
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273 | /* we got no positional, just get the next arg */
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274 | param = -1;
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275 | use_dollar = DOLLAR_NOPE;
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276 | }
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277 | else
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278 | use_dollar = DOLLAR_USE;
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279 | }
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280 | else
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281 | param = -1;
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282 |
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283 | /* Handle the flags */
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284 | while(loopit) {
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285 | switch(*fmt++) {
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286 | case ' ':
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287 | flags |= FLAGS_SPACE;
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288 | break;
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289 | case '+':
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290 | flags |= FLAGS_SHOWSIGN;
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291 | break;
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292 | case '-':
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293 | flags |= FLAGS_LEFT;
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294 | flags &= ~FLAGS_PAD_NIL;
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295 | break;
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296 | case '#':
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297 | flags |= FLAGS_ALT;
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298 | break;
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299 | case '.':
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300 | if('*' == *fmt) {
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301 | /* The precision is picked from a specified parameter */
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302 | flags |= FLAGS_PRECPARAM;
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303 | fmt++;
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304 |
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305 | if(use_dollar == DOLLAR_USE) {
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306 | precision = dollarstring(fmt, &fmt);
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307 | if(precision < 0)
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308 | /* illegal combo */
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309 | return PFMT_DOLLARPREC;
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310 | }
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311 | else
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312 | /* get it from the next argument */
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313 | precision = -1;
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314 | }
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315 | else {
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316 | bool is_neg = FALSE;
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317 | flags |= FLAGS_PREC;
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318 | precision = 0;
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319 | if('-' == *fmt) {
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320 | is_neg = TRUE;
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321 | fmt++;
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322 | }
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323 | while(ISDIGIT(*fmt)) {
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324 | if(precision > INT_MAX/10)
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325 | return PFMT_PREC;
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326 | precision *= 10;
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327 | precision += *fmt - '0';
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328 | fmt++;
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329 | }
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330 | if(is_neg)
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331 | precision = -precision;
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332 | }
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333 | if((flags & (FLAGS_PREC | FLAGS_PRECPARAM)) ==
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334 | (FLAGS_PREC | FLAGS_PRECPARAM))
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335 | /* it is not permitted to use both kinds of precision for the same
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336 | argument */
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337 | return PFMT_PRECMIX;
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338 | break;
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339 | case 'h':
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340 | flags |= FLAGS_SHORT;
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341 | break;
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342 | #if defined(_WIN32) || defined(_WIN32_WCE)
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343 | case 'I':
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344 | /* Non-ANSI integer extensions I32 I64 */
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345 | if((fmt[0] == '3') && (fmt[1] == '2')) {
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346 | flags |= FLAGS_LONG;
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347 | fmt += 2;
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348 | }
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349 | else if((fmt[0] == '6') && (fmt[1] == '4')) {
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350 | flags |= FLAGS_LONGLONG;
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351 | fmt += 2;
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352 | }
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353 | else {
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354 | #if (SIZEOF_CURL_OFF_T > SIZEOF_LONG)
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355 | flags |= FLAGS_LONGLONG;
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356 | #else
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357 | flags |= FLAGS_LONG;
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358 | #endif
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359 | }
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360 | break;
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361 | #endif /* _WIN32 || _WIN32_WCE */
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362 | case 'l':
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363 | if(flags & FLAGS_LONG)
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364 | flags |= FLAGS_LONGLONG;
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365 | else
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366 | flags |= FLAGS_LONG;
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367 | break;
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368 | case 'L':
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369 | flags |= FLAGS_LONGDOUBLE;
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370 | break;
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371 | case 'q':
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372 | flags |= FLAGS_LONGLONG;
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373 | break;
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374 | case 'z':
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375 | /* the code below generates a warning if -Wunreachable-code is
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376 | used */
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377 | #if (SIZEOF_SIZE_T > SIZEOF_LONG)
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378 | flags |= FLAGS_LONGLONG;
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379 | #else
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380 | flags |= FLAGS_LONG;
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381 | #endif
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382 | break;
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383 | case 'O':
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384 | #if (SIZEOF_CURL_OFF_T > SIZEOF_LONG)
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385 | flags |= FLAGS_LONGLONG;
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386 | #else
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387 | flags |= FLAGS_LONG;
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388 | #endif
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389 | break;
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390 | case '0':
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391 | if(!(flags & FLAGS_LEFT))
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392 | flags |= FLAGS_PAD_NIL;
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393 | FALLTHROUGH();
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394 | case '1': case '2': case '3': case '4':
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395 | case '5': case '6': case '7': case '8': case '9':
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396 | flags |= FLAGS_WIDTH;
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397 | width = 0;
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398 | fmt--;
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399 | do {
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400 | if(width > INT_MAX/10)
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401 | return PFMT_WIDTH;
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402 | width *= 10;
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403 | width += *fmt - '0';
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404 | fmt++;
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405 | } while(ISDIGIT(*fmt));
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406 | break;
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407 | case '*': /* read width from argument list */
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408 | flags |= FLAGS_WIDTHPARAM;
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409 | if(use_dollar == DOLLAR_USE) {
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410 | width = dollarstring(fmt, &fmt);
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411 | if(width < 0)
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412 | /* illegal combo */
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413 | return PFMT_DOLLARWIDTH;
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414 | }
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415 | else
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416 | /* pick from the next argument */
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417 | width = -1;
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418 | break;
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419 | default:
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420 | loopit = FALSE;
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421 | fmt--;
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422 | break;
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423 | } /* switch */
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424 | } /* while */
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425 |
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426 | switch(*fmt) {
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427 | case 'S':
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428 | flags |= FLAGS_ALT;
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429 | FALLTHROUGH();
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430 | case 's':
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431 | type = FORMAT_STRING;
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432 | break;
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433 | case 'n':
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434 | type = FORMAT_INTPTR;
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435 | break;
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436 | case 'p':
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437 | type = FORMAT_PTR;
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438 | break;
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439 | case 'd':
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440 | case 'i':
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441 | if(flags & FLAGS_LONGLONG)
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442 | type = FORMAT_LONGLONG;
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443 | else if(flags & FLAGS_LONG)
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444 | type = FORMAT_LONG;
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445 | else
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446 | type = FORMAT_INT;
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447 | break;
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448 | case 'u':
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449 | if(flags & FLAGS_LONGLONG)
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450 | type = FORMAT_LONGLONGU;
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451 | else if(flags & FLAGS_LONG)
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452 | type = FORMAT_LONGU;
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453 | else
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454 | type = FORMAT_INTU;
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455 | flags |= FLAGS_UNSIGNED;
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456 | break;
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457 | case 'o':
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458 | type = FORMAT_INT;
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459 | flags |= FLAGS_OCTAL;
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460 | break;
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461 | case 'x':
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462 | type = FORMAT_INTU;
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463 | flags |= FLAGS_HEX|FLAGS_UNSIGNED;
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464 | break;
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465 | case 'X':
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466 | type = FORMAT_INTU;
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467 | flags |= FLAGS_HEX|FLAGS_UPPER|FLAGS_UNSIGNED;
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468 | break;
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469 | case 'c':
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470 | type = FORMAT_INT;
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471 | flags |= FLAGS_CHAR;
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472 | break;
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473 | case 'f':
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474 | type = FORMAT_DOUBLE;
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475 | break;
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476 | case 'e':
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477 | type = FORMAT_DOUBLE;
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478 | flags |= FLAGS_FLOATE;
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479 | break;
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480 | case 'E':
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481 | type = FORMAT_DOUBLE;
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482 | flags |= FLAGS_FLOATE|FLAGS_UPPER;
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483 | break;
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484 | case 'g':
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485 | type = FORMAT_DOUBLE;
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486 | flags |= FLAGS_FLOATG;
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487 | break;
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488 | case 'G':
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489 | type = FORMAT_DOUBLE;
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490 | flags |= FLAGS_FLOATG|FLAGS_UPPER;
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---|
491 | break;
|
---|
492 | default:
|
---|
493 | /* invalid instruction, disregard and continue */
|
---|
494 | continue;
|
---|
495 | } /* switch */
|
---|
496 |
|
---|
497 | if(flags & FLAGS_WIDTHPARAM) {
|
---|
498 | if(width < 0)
|
---|
499 | width = param_num++;
|
---|
500 | else {
|
---|
501 | /* if this identifies a parameter already used, this
|
---|
502 | is illegal */
|
---|
503 | if(usedinput[width/8] & (1 << (width&7)))
|
---|
504 | return PFMT_WIDTHARG;
|
---|
505 | }
|
---|
506 | if(width >= MAX_PARAMETERS)
|
---|
507 | return PFMT_MANYARGS;
|
---|
508 | if(width >= max_param)
|
---|
509 | max_param = width;
|
---|
510 |
|
---|
511 | in[width].type = FORMAT_WIDTH;
|
---|
512 | /* mark as used */
|
---|
513 | usedinput[width/8] |= (unsigned char)(1 << (width&7));
|
---|
514 | }
|
---|
515 |
|
---|
516 | if(flags & FLAGS_PRECPARAM) {
|
---|
517 | if(precision < 0)
|
---|
518 | precision = param_num++;
|
---|
519 | else {
|
---|
520 | /* if this identifies a parameter already used, this
|
---|
521 | is illegal */
|
---|
522 | if(usedinput[precision/8] & (1 << (precision&7)))
|
---|
523 | return PFMT_PRECARG;
|
---|
524 | }
|
---|
525 | if(precision >= MAX_PARAMETERS)
|
---|
526 | return PFMT_MANYARGS;
|
---|
527 | if(precision >= max_param)
|
---|
528 | max_param = precision;
|
---|
529 |
|
---|
530 | in[precision].type = FORMAT_PRECISION;
|
---|
531 | usedinput[precision/8] |= (unsigned char)(1 << (precision&7));
|
---|
532 | }
|
---|
533 |
|
---|
534 | /* Handle the specifier */
|
---|
535 | if(param < 0)
|
---|
536 | param = param_num++;
|
---|
537 | if(param >= MAX_PARAMETERS)
|
---|
538 | return PFMT_MANYARGS;
|
---|
539 | if(param >= max_param)
|
---|
540 | max_param = param;
|
---|
541 |
|
---|
542 | iptr = &in[param];
|
---|
543 | iptr->type = type;
|
---|
544 |
|
---|
545 | /* mark this input as used */
|
---|
546 | usedinput[param/8] |= (unsigned char)(1 << (param&7));
|
---|
547 |
|
---|
548 | fmt++;
|
---|
549 | optr = &out[ocount++];
|
---|
550 | if(ocount > MAX_SEGMENTS)
|
---|
551 | return PFMT_MANYSEGS;
|
---|
552 | optr->input = param;
|
---|
553 | optr->flags = flags;
|
---|
554 | optr->width = width;
|
---|
555 | optr->precision = precision;
|
---|
556 | optr->start = start;
|
---|
557 | optr->outlen = outlen;
|
---|
558 | start = fmt;
|
---|
559 | }
|
---|
560 | else
|
---|
561 | fmt++;
|
---|
562 | }
|
---|
563 |
|
---|
564 | /* is there a trailing piece */
|
---|
565 | outlen = fmt - start;
|
---|
566 | if(outlen) {
|
---|
567 | optr = &out[ocount++];
|
---|
568 | if(ocount > MAX_SEGMENTS)
|
---|
569 | return PFMT_MANYSEGS;
|
---|
570 | optr->input = 0;
|
---|
571 | optr->flags = FLAGS_SUBSTR;
|
---|
572 | optr->start = start;
|
---|
573 | optr->outlen = outlen;
|
---|
574 | }
|
---|
575 |
|
---|
576 | /* Read the arg list parameters into our data list */
|
---|
577 | for(i = 0; i < max_param + 1; i++) {
|
---|
578 | struct va_input *iptr = &in[i];
|
---|
579 | if(!(usedinput[i/8] & (1 << (i&7))))
|
---|
580 | /* bad input */
|
---|
581 | return PFMT_INPUTGAP;
|
---|
582 |
|
---|
583 | /* based on the type, read the correct argument */
|
---|
584 | switch(iptr->type) {
|
---|
585 | case FORMAT_STRING:
|
---|
586 | iptr->val.str = va_arg(arglist, char *);
|
---|
587 | break;
|
---|
588 |
|
---|
589 | case FORMAT_INTPTR:
|
---|
590 | case FORMAT_PTR:
|
---|
591 | iptr->val.ptr = va_arg(arglist, void *);
|
---|
592 | break;
|
---|
593 |
|
---|
594 | case FORMAT_LONGLONGU:
|
---|
595 | iptr->val.numu = (mp_uintmax_t)va_arg(arglist, mp_uintmax_t);
|
---|
596 | break;
|
---|
597 |
|
---|
598 | case FORMAT_LONGLONG:
|
---|
599 | iptr->val.nums = (mp_intmax_t)va_arg(arglist, mp_intmax_t);
|
---|
600 | break;
|
---|
601 |
|
---|
602 | case FORMAT_LONGU:
|
---|
603 | iptr->val.numu = (mp_uintmax_t)va_arg(arglist, unsigned long);
|
---|
604 | break;
|
---|
605 |
|
---|
606 | case FORMAT_LONG:
|
---|
607 | iptr->val.nums = (mp_intmax_t)va_arg(arglist, long);
|
---|
608 | break;
|
---|
609 |
|
---|
610 | case FORMAT_INTU:
|
---|
611 | iptr->val.numu = (mp_uintmax_t)va_arg(arglist, unsigned int);
|
---|
612 | break;
|
---|
613 |
|
---|
614 | case FORMAT_INT:
|
---|
615 | case FORMAT_WIDTH:
|
---|
616 | case FORMAT_PRECISION:
|
---|
617 | iptr->val.nums = (mp_intmax_t)va_arg(arglist, int);
|
---|
618 | break;
|
---|
619 |
|
---|
620 | case FORMAT_DOUBLE:
|
---|
621 | iptr->val.dnum = va_arg(arglist, double);
|
---|
622 | break;
|
---|
623 |
|
---|
624 | default:
|
---|
625 | DEBUGASSERT(NULL); /* unexpected */
|
---|
626 | break;
|
---|
627 | }
|
---|
628 | }
|
---|
629 | *ipieces = max_param + 1;
|
---|
630 | *opieces = ocount;
|
---|
631 |
|
---|
632 | return PFMT_OK;
|
---|
633 | }
|
---|
634 |
|
---|
635 | /*
|
---|
636 | * formatf() - the general printf function.
|
---|
637 | *
|
---|
638 | * It calls parsefmt() to parse the format string. It populates two arrays;
|
---|
639 | * one that describes the input arguments and one that describes a number of
|
---|
640 | * output segments.
|
---|
641 | *
|
---|
642 | * On success, the input array describes the type of all arguments and their
|
---|
643 | * values.
|
---|
644 | *
|
---|
645 | * The function then iterates over the output segments and outputs them one
|
---|
646 | * by one until done. Using the appropriate input arguments (if any).
|
---|
647 | *
|
---|
648 | * All output is sent to the 'stream()' callback, one byte at a time.
|
---|
649 | */
|
---|
650 |
|
---|
651 | static int formatf(
|
---|
652 | void *userp, /* untouched by format(), just sent to the stream() function in
|
---|
653 | the second argument */
|
---|
654 | /* function pointer called for each output character */
|
---|
655 | int (*stream)(unsigned char, void *),
|
---|
656 | const char *format, /* %-formatted string */
|
---|
657 | va_list ap_save) /* list of parameters */
|
---|
658 | {
|
---|
659 | static const char nilstr[] = "(nil)";
|
---|
660 | const char *digits = lower_digits; /* Base-36 digits for numbers. */
|
---|
661 | int done = 0; /* number of characters written */
|
---|
662 | int i;
|
---|
663 | int ocount = 0; /* number of output segments */
|
---|
664 | int icount = 0; /* number of input arguments */
|
---|
665 |
|
---|
666 | struct outsegment output[MAX_SEGMENTS];
|
---|
667 | struct va_input input[MAX_PARAMETERS];
|
---|
668 | char work[BUFFSIZE];
|
---|
669 |
|
---|
670 | /* 'workend' points to the final buffer byte position, but with an extra
|
---|
671 | byte as margin to avoid the (false?) warning Coverity gives us
|
---|
672 | otherwise */
|
---|
673 | char *workend = &work[sizeof(work) - 2];
|
---|
674 |
|
---|
675 | /* Parse the format string */
|
---|
676 | if(parsefmt(format, output, input, &ocount, &icount, ap_save))
|
---|
677 | return 0;
|
---|
678 |
|
---|
679 | for(i = 0; i < ocount; i++) {
|
---|
680 | struct outsegment *optr = &output[i];
|
---|
681 | struct va_input *iptr;
|
---|
682 | bool is_alt; /* Format spec modifiers. */
|
---|
683 | int width; /* Width of a field. */
|
---|
684 | int prec; /* Precision of a field. */
|
---|
685 | bool is_neg; /* Decimal integer is negative. */
|
---|
686 | unsigned long base; /* Base of a number to be written. */
|
---|
687 | mp_uintmax_t num; /* Integral values to be written. */
|
---|
688 | mp_intmax_t signed_num; /* Used to convert negative in positive. */
|
---|
689 | char *w;
|
---|
690 | size_t outlen = optr->outlen;
|
---|
691 | int flags = optr->flags;
|
---|
692 |
|
---|
693 | if(outlen) {
|
---|
694 | char *str = optr->start;
|
---|
695 | for(; outlen && *str; outlen--)
|
---|
696 | OUTCHAR(*str++);
|
---|
697 | if(optr->flags & FLAGS_SUBSTR)
|
---|
698 | /* this is just a substring */
|
---|
699 | continue;
|
---|
700 | }
|
---|
701 |
|
---|
702 | /* pick up the specified width */
|
---|
703 | if(flags & FLAGS_WIDTHPARAM) {
|
---|
704 | width = (int)input[optr->width].val.nums;
|
---|
705 | if(width < 0) {
|
---|
706 | /* "A negative field width is taken as a '-' flag followed by a
|
---|
707 | positive field width." */
|
---|
708 | if(width == INT_MIN)
|
---|
709 | width = INT_MAX;
|
---|
710 | else
|
---|
711 | width = -width;
|
---|
712 | flags |= FLAGS_LEFT;
|
---|
713 | flags &= ~FLAGS_PAD_NIL;
|
---|
714 | }
|
---|
715 | }
|
---|
716 | else
|
---|
717 | width = optr->width;
|
---|
718 |
|
---|
719 | /* pick up the specified precision */
|
---|
720 | if(flags & FLAGS_PRECPARAM) {
|
---|
721 | prec = (int)input[optr->precision].val.nums;
|
---|
722 | if(prec < 0)
|
---|
723 | /* "A negative precision is taken as if the precision were
|
---|
724 | omitted." */
|
---|
725 | prec = -1;
|
---|
726 | }
|
---|
727 | else if(flags & FLAGS_PREC)
|
---|
728 | prec = optr->precision;
|
---|
729 | else
|
---|
730 | prec = -1;
|
---|
731 |
|
---|
732 | is_alt = (flags & FLAGS_ALT) ? 1 : 0;
|
---|
733 | iptr = &input[optr->input];
|
---|
734 |
|
---|
735 | switch(iptr->type) {
|
---|
736 | case FORMAT_INTU:
|
---|
737 | case FORMAT_LONGU:
|
---|
738 | case FORMAT_LONGLONGU:
|
---|
739 | flags |= FLAGS_UNSIGNED;
|
---|
740 | FALLTHROUGH();
|
---|
741 | case FORMAT_INT:
|
---|
742 | case FORMAT_LONG:
|
---|
743 | case FORMAT_LONGLONG:
|
---|
744 | num = iptr->val.numu;
|
---|
745 | if(flags & FLAGS_CHAR) {
|
---|
746 | /* Character. */
|
---|
747 | if(!(flags & FLAGS_LEFT))
|
---|
748 | while(--width > 0)
|
---|
749 | OUTCHAR(' ');
|
---|
750 | OUTCHAR((char) num);
|
---|
751 | if(flags & FLAGS_LEFT)
|
---|
752 | while(--width > 0)
|
---|
753 | OUTCHAR(' ');
|
---|
754 | break;
|
---|
755 | }
|
---|
756 | if(flags & FLAGS_OCTAL) {
|
---|
757 | /* Octal unsigned integer */
|
---|
758 | base = 8;
|
---|
759 | is_neg = FALSE;
|
---|
760 | }
|
---|
761 | else if(flags & FLAGS_HEX) {
|
---|
762 | /* Hexadecimal unsigned integer */
|
---|
763 | digits = (flags & FLAGS_UPPER)? upper_digits : lower_digits;
|
---|
764 | base = 16;
|
---|
765 | is_neg = FALSE;
|
---|
766 | }
|
---|
767 | else if(flags & FLAGS_UNSIGNED) {
|
---|
768 | /* Decimal unsigned integer */
|
---|
769 | base = 10;
|
---|
770 | is_neg = FALSE;
|
---|
771 | }
|
---|
772 | else {
|
---|
773 | /* Decimal integer. */
|
---|
774 | base = 10;
|
---|
775 |
|
---|
776 | is_neg = (iptr->val.nums < (mp_intmax_t)0);
|
---|
777 | if(is_neg) {
|
---|
778 | /* signed_num might fail to hold absolute negative minimum by 1 */
|
---|
779 | signed_num = iptr->val.nums + (mp_intmax_t)1;
|
---|
780 | signed_num = -signed_num;
|
---|
781 | num = (mp_uintmax_t)signed_num;
|
---|
782 | num += (mp_uintmax_t)1;
|
---|
783 | }
|
---|
784 | }
|
---|
785 | number:
|
---|
786 | /* Supply a default precision if none was given. */
|
---|
787 | if(prec == -1)
|
---|
788 | prec = 1;
|
---|
789 |
|
---|
790 | /* Put the number in WORK. */
|
---|
791 | w = workend;
|
---|
792 | switch(base) {
|
---|
793 | case 10:
|
---|
794 | while(num > 0) {
|
---|
795 | *w-- = (char)('0' + (num % 10));
|
---|
796 | num /= 10;
|
---|
797 | }
|
---|
798 | break;
|
---|
799 | default:
|
---|
800 | while(num > 0) {
|
---|
801 | *w-- = digits[num % base];
|
---|
802 | num /= base;
|
---|
803 | }
|
---|
804 | break;
|
---|
805 | }
|
---|
806 | width -= (int)(workend - w);
|
---|
807 | prec -= (int)(workend - w);
|
---|
808 |
|
---|
809 | if(is_alt && base == 8 && prec <= 0) {
|
---|
810 | *w-- = '0';
|
---|
811 | --width;
|
---|
812 | }
|
---|
813 |
|
---|
814 | if(prec > 0) {
|
---|
815 | width -= prec;
|
---|
816 | while(prec-- > 0 && w >= work)
|
---|
817 | *w-- = '0';
|
---|
818 | }
|
---|
819 |
|
---|
820 | if(is_alt && base == 16)
|
---|
821 | width -= 2;
|
---|
822 |
|
---|
823 | if(is_neg || (flags & FLAGS_SHOWSIGN) || (flags & FLAGS_SPACE))
|
---|
824 | --width;
|
---|
825 |
|
---|
826 | if(!(flags & FLAGS_LEFT) && !(flags & FLAGS_PAD_NIL))
|
---|
827 | while(width-- > 0)
|
---|
828 | OUTCHAR(' ');
|
---|
829 |
|
---|
830 | if(is_neg)
|
---|
831 | OUTCHAR('-');
|
---|
832 | else if(flags & FLAGS_SHOWSIGN)
|
---|
833 | OUTCHAR('+');
|
---|
834 | else if(flags & FLAGS_SPACE)
|
---|
835 | OUTCHAR(' ');
|
---|
836 |
|
---|
837 | if(is_alt && base == 16) {
|
---|
838 | OUTCHAR('0');
|
---|
839 | if(flags & FLAGS_UPPER)
|
---|
840 | OUTCHAR('X');
|
---|
841 | else
|
---|
842 | OUTCHAR('x');
|
---|
843 | }
|
---|
844 |
|
---|
845 | if(!(flags & FLAGS_LEFT) && (flags & FLAGS_PAD_NIL))
|
---|
846 | while(width-- > 0)
|
---|
847 | OUTCHAR('0');
|
---|
848 |
|
---|
849 | /* Write the number. */
|
---|
850 | while(++w <= workend) {
|
---|
851 | OUTCHAR(*w);
|
---|
852 | }
|
---|
853 |
|
---|
854 | if(flags & FLAGS_LEFT)
|
---|
855 | while(width-- > 0)
|
---|
856 | OUTCHAR(' ');
|
---|
857 | break;
|
---|
858 |
|
---|
859 | case FORMAT_STRING: {
|
---|
860 | const char *str;
|
---|
861 | size_t len;
|
---|
862 |
|
---|
863 | str = (char *)iptr->val.str;
|
---|
864 | if(!str) {
|
---|
865 | /* Write null string if there's space. */
|
---|
866 | if(prec == -1 || prec >= (int) sizeof(nilstr) - 1) {
|
---|
867 | str = nilstr;
|
---|
868 | len = sizeof(nilstr) - 1;
|
---|
869 | /* Disable quotes around (nil) */
|
---|
870 | flags &= (~FLAGS_ALT);
|
---|
871 | }
|
---|
872 | else {
|
---|
873 | str = "";
|
---|
874 | len = 0;
|
---|
875 | }
|
---|
876 | }
|
---|
877 | else if(prec != -1)
|
---|
878 | len = (size_t)prec;
|
---|
879 | else if(*str == '\0')
|
---|
880 | len = 0;
|
---|
881 | else
|
---|
882 | len = strlen(str);
|
---|
883 |
|
---|
884 | width -= (len > INT_MAX) ? INT_MAX : (int)len;
|
---|
885 |
|
---|
886 | if(flags & FLAGS_ALT)
|
---|
887 | OUTCHAR('"');
|
---|
888 |
|
---|
889 | if(!(flags&FLAGS_LEFT))
|
---|
890 | while(width-- > 0)
|
---|
891 | OUTCHAR(' ');
|
---|
892 |
|
---|
893 | for(; len && *str; len--)
|
---|
894 | OUTCHAR(*str++);
|
---|
895 | if(flags&FLAGS_LEFT)
|
---|
896 | while(width-- > 0)
|
---|
897 | OUTCHAR(' ');
|
---|
898 |
|
---|
899 | if(flags & FLAGS_ALT)
|
---|
900 | OUTCHAR('"');
|
---|
901 | break;
|
---|
902 | }
|
---|
903 |
|
---|
904 | case FORMAT_PTR:
|
---|
905 | /* Generic pointer. */
|
---|
906 | if(iptr->val.ptr) {
|
---|
907 | /* If the pointer is not NULL, write it as a %#x spec. */
|
---|
908 | base = 16;
|
---|
909 | digits = (flags & FLAGS_UPPER)? upper_digits : lower_digits;
|
---|
910 | is_alt = TRUE;
|
---|
911 | num = (size_t) iptr->val.ptr;
|
---|
912 | is_neg = FALSE;
|
---|
913 | goto number;
|
---|
914 | }
|
---|
915 | else {
|
---|
916 | /* Write "(nil)" for a nil pointer. */
|
---|
917 | const char *point;
|
---|
918 |
|
---|
919 | width -= (int)(sizeof(nilstr) - 1);
|
---|
920 | if(flags & FLAGS_LEFT)
|
---|
921 | while(width-- > 0)
|
---|
922 | OUTCHAR(' ');
|
---|
923 | for(point = nilstr; *point != '\0'; ++point)
|
---|
924 | OUTCHAR(*point);
|
---|
925 | if(!(flags & FLAGS_LEFT))
|
---|
926 | while(width-- > 0)
|
---|
927 | OUTCHAR(' ');
|
---|
928 | }
|
---|
929 | break;
|
---|
930 |
|
---|
931 | case FORMAT_DOUBLE: {
|
---|
932 | char formatbuf[32]="%";
|
---|
933 | char *fptr = &formatbuf[1];
|
---|
934 | size_t left = sizeof(formatbuf)-strlen(formatbuf);
|
---|
935 | int len;
|
---|
936 |
|
---|
937 | if(flags & FLAGS_WIDTH)
|
---|
938 | width = optr->width;
|
---|
939 |
|
---|
940 | if(flags & FLAGS_PREC)
|
---|
941 | prec = optr->precision;
|
---|
942 |
|
---|
943 | if(flags & FLAGS_LEFT)
|
---|
944 | *fptr++ = '-';
|
---|
945 | if(flags & FLAGS_SHOWSIGN)
|
---|
946 | *fptr++ = '+';
|
---|
947 | if(flags & FLAGS_SPACE)
|
---|
948 | *fptr++ = ' ';
|
---|
949 | if(flags & FLAGS_ALT)
|
---|
950 | *fptr++ = '#';
|
---|
951 |
|
---|
952 | *fptr = 0;
|
---|
953 |
|
---|
954 | if(width >= 0) {
|
---|
955 | if(width >= (int)sizeof(work))
|
---|
956 | width = sizeof(work)-1;
|
---|
957 | /* RECURSIVE USAGE */
|
---|
958 | len = curl_msnprintf(fptr, left, "%d", width);
|
---|
959 | fptr += len;
|
---|
960 | left -= len;
|
---|
961 | }
|
---|
962 | if(prec >= 0) {
|
---|
963 | /* for each digit in the integer part, we can have one less
|
---|
964 | precision */
|
---|
965 | size_t maxprec = sizeof(work) - 2;
|
---|
966 | double val = iptr->val.dnum;
|
---|
967 | if(width > 0 && prec <= width)
|
---|
968 | maxprec -= width;
|
---|
969 | while(val >= 10.0) {
|
---|
970 | val /= 10;
|
---|
971 | maxprec--;
|
---|
972 | }
|
---|
973 |
|
---|
974 | if(prec > (int)maxprec)
|
---|
975 | prec = (int)maxprec-1;
|
---|
976 | if(prec < 0)
|
---|
977 | prec = 0;
|
---|
978 | /* RECURSIVE USAGE */
|
---|
979 | len = curl_msnprintf(fptr, left, ".%d", prec);
|
---|
980 | fptr += len;
|
---|
981 | }
|
---|
982 | if(flags & FLAGS_LONG)
|
---|
983 | *fptr++ = 'l';
|
---|
984 |
|
---|
985 | if(flags & FLAGS_FLOATE)
|
---|
986 | *fptr++ = (char)((flags & FLAGS_UPPER) ? 'E':'e');
|
---|
987 | else if(flags & FLAGS_FLOATG)
|
---|
988 | *fptr++ = (char)((flags & FLAGS_UPPER) ? 'G' : 'g');
|
---|
989 | else
|
---|
990 | *fptr++ = 'f';
|
---|
991 |
|
---|
992 | *fptr = 0; /* and a final null-termination */
|
---|
993 |
|
---|
994 | #ifdef __clang__
|
---|
995 | #pragma clang diagnostic push
|
---|
996 | #pragma clang diagnostic ignored "-Wformat-nonliteral"
|
---|
997 | #endif
|
---|
998 | /* NOTE NOTE NOTE!! Not all sprintf implementations return number of
|
---|
999 | output characters */
|
---|
1000 | #ifdef HAVE_SNPRINTF
|
---|
1001 | (snprintf)(work, sizeof(work), formatbuf, iptr->val.dnum);
|
---|
1002 | #else
|
---|
1003 | (sprintf)(work, formatbuf, iptr->val.dnum);
|
---|
1004 | #endif
|
---|
1005 | #ifdef __clang__
|
---|
1006 | #pragma clang diagnostic pop
|
---|
1007 | #endif
|
---|
1008 | DEBUGASSERT(strlen(work) <= sizeof(work));
|
---|
1009 | for(fptr = work; *fptr; fptr++)
|
---|
1010 | OUTCHAR(*fptr);
|
---|
1011 | break;
|
---|
1012 | }
|
---|
1013 |
|
---|
1014 | case FORMAT_INTPTR:
|
---|
1015 | /* Answer the count of characters written. */
|
---|
1016 | #ifdef HAVE_LONG_LONG_TYPE
|
---|
1017 | if(flags & FLAGS_LONGLONG)
|
---|
1018 | *(LONG_LONG_TYPE *) iptr->val.ptr = (LONG_LONG_TYPE)done;
|
---|
1019 | else
|
---|
1020 | #endif
|
---|
1021 | if(flags & FLAGS_LONG)
|
---|
1022 | *(long *) iptr->val.ptr = (long)done;
|
---|
1023 | else if(!(flags & FLAGS_SHORT))
|
---|
1024 | *(int *) iptr->val.ptr = (int)done;
|
---|
1025 | else
|
---|
1026 | *(short *) iptr->val.ptr = (short)done;
|
---|
1027 | break;
|
---|
1028 |
|
---|
1029 | default:
|
---|
1030 | break;
|
---|
1031 | }
|
---|
1032 | }
|
---|
1033 | return done;
|
---|
1034 | }
|
---|
1035 |
|
---|
1036 | /* fputc() look-alike */
|
---|
1037 | static int addbyter(unsigned char outc, void *f)
|
---|
1038 | {
|
---|
1039 | struct nsprintf *infop = f;
|
---|
1040 | if(infop->length < infop->max) {
|
---|
1041 | /* only do this if we haven't reached max length yet */
|
---|
1042 | *infop->buffer++ = outc; /* store */
|
---|
1043 | infop->length++; /* we are now one byte larger */
|
---|
1044 | return 0; /* fputc() returns like this on success */
|
---|
1045 | }
|
---|
1046 | return 1;
|
---|
1047 | }
|
---|
1048 |
|
---|
1049 | int curl_mvsnprintf(char *buffer, size_t maxlength, const char *format,
|
---|
1050 | va_list ap_save)
|
---|
1051 | {
|
---|
1052 | int retcode;
|
---|
1053 | struct nsprintf info;
|
---|
1054 |
|
---|
1055 | info.buffer = buffer;
|
---|
1056 | info.length = 0;
|
---|
1057 | info.max = maxlength;
|
---|
1058 |
|
---|
1059 | retcode = formatf(&info, addbyter, format, ap_save);
|
---|
1060 | if(info.max) {
|
---|
1061 | /* we terminate this with a zero byte */
|
---|
1062 | if(info.max == info.length) {
|
---|
1063 | /* we're at maximum, scrap the last letter */
|
---|
1064 | info.buffer[-1] = 0;
|
---|
1065 | DEBUGASSERT(retcode);
|
---|
1066 | retcode--; /* don't count the nul byte */
|
---|
1067 | }
|
---|
1068 | else
|
---|
1069 | info.buffer[0] = 0;
|
---|
1070 | }
|
---|
1071 | return retcode;
|
---|
1072 | }
|
---|
1073 |
|
---|
1074 | int curl_msnprintf(char *buffer, size_t maxlength, const char *format, ...)
|
---|
1075 | {
|
---|
1076 | int retcode;
|
---|
1077 | va_list ap_save; /* argument pointer */
|
---|
1078 | va_start(ap_save, format);
|
---|
1079 | retcode = curl_mvsnprintf(buffer, maxlength, format, ap_save);
|
---|
1080 | va_end(ap_save);
|
---|
1081 | return retcode;
|
---|
1082 | }
|
---|
1083 |
|
---|
1084 | /* fputc() look-alike */
|
---|
1085 | static int alloc_addbyter(unsigned char outc, void *f)
|
---|
1086 | {
|
---|
1087 | struct asprintf *infop = f;
|
---|
1088 | CURLcode result = Curl_dyn_addn(infop->b, &outc, 1);
|
---|
1089 | if(result) {
|
---|
1090 | infop->merr = result == CURLE_TOO_LARGE ? MERR_TOO_LARGE : MERR_MEM;
|
---|
1091 | return 1 ; /* fail */
|
---|
1092 | }
|
---|
1093 | return 0;
|
---|
1094 | }
|
---|
1095 |
|
---|
1096 | /* appends the formatted string, returns MERR error code */
|
---|
1097 | int Curl_dyn_vprintf(struct dynbuf *dyn, const char *format, va_list ap_save)
|
---|
1098 | {
|
---|
1099 | struct asprintf info;
|
---|
1100 | info.b = dyn;
|
---|
1101 | info.merr = MERR_OK;
|
---|
1102 |
|
---|
1103 | (void)formatf(&info, alloc_addbyter, format, ap_save);
|
---|
1104 | if(info.merr) {
|
---|
1105 | Curl_dyn_free(info.b);
|
---|
1106 | return info.merr;
|
---|
1107 | }
|
---|
1108 | return 0;
|
---|
1109 | }
|
---|
1110 |
|
---|
1111 | char *curl_mvaprintf(const char *format, va_list ap_save)
|
---|
1112 | {
|
---|
1113 | struct asprintf info;
|
---|
1114 | struct dynbuf dyn;
|
---|
1115 | info.b = &dyn;
|
---|
1116 | Curl_dyn_init(info.b, DYN_APRINTF);
|
---|
1117 | info.merr = MERR_OK;
|
---|
1118 |
|
---|
1119 | (void)formatf(&info, alloc_addbyter, format, ap_save);
|
---|
1120 | if(info.merr) {
|
---|
1121 | Curl_dyn_free(info.b);
|
---|
1122 | return NULL;
|
---|
1123 | }
|
---|
1124 | if(Curl_dyn_len(info.b))
|
---|
1125 | return Curl_dyn_ptr(info.b);
|
---|
1126 | return strdup("");
|
---|
1127 | }
|
---|
1128 |
|
---|
1129 | char *curl_maprintf(const char *format, ...)
|
---|
1130 | {
|
---|
1131 | va_list ap_save;
|
---|
1132 | char *s;
|
---|
1133 | va_start(ap_save, format);
|
---|
1134 | s = curl_mvaprintf(format, ap_save);
|
---|
1135 | va_end(ap_save);
|
---|
1136 | return s;
|
---|
1137 | }
|
---|
1138 |
|
---|
1139 | static int storebuffer(unsigned char outc, void *f)
|
---|
1140 | {
|
---|
1141 | char **buffer = f;
|
---|
1142 | **buffer = outc;
|
---|
1143 | (*buffer)++;
|
---|
1144 | return 0;
|
---|
1145 | }
|
---|
1146 |
|
---|
1147 | int curl_msprintf(char *buffer, const char *format, ...)
|
---|
1148 | {
|
---|
1149 | va_list ap_save; /* argument pointer */
|
---|
1150 | int retcode;
|
---|
1151 | va_start(ap_save, format);
|
---|
1152 | retcode = formatf(&buffer, storebuffer, format, ap_save);
|
---|
1153 | va_end(ap_save);
|
---|
1154 | *buffer = 0; /* we terminate this with a zero byte */
|
---|
1155 | return retcode;
|
---|
1156 | }
|
---|
1157 |
|
---|
1158 | static int fputc_wrapper(unsigned char outc, void *f)
|
---|
1159 | {
|
---|
1160 | int out = outc;
|
---|
1161 | FILE *s = f;
|
---|
1162 | int rc = fputc(out, s);
|
---|
1163 | if(rc == out)
|
---|
1164 | return 0;
|
---|
1165 | return 1;
|
---|
1166 | }
|
---|
1167 |
|
---|
1168 | int curl_mprintf(const char *format, ...)
|
---|
1169 | {
|
---|
1170 | int retcode;
|
---|
1171 | va_list ap_save; /* argument pointer */
|
---|
1172 | va_start(ap_save, format);
|
---|
1173 |
|
---|
1174 | retcode = formatf(stdout, fputc_wrapper, format, ap_save);
|
---|
1175 | va_end(ap_save);
|
---|
1176 | return retcode;
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | int curl_mfprintf(FILE *whereto, const char *format, ...)
|
---|
1180 | {
|
---|
1181 | int retcode;
|
---|
1182 | va_list ap_save; /* argument pointer */
|
---|
1183 | va_start(ap_save, format);
|
---|
1184 | retcode = formatf(whereto, fputc_wrapper, format, ap_save);
|
---|
1185 | va_end(ap_save);
|
---|
1186 | return retcode;
|
---|
1187 | }
|
---|
1188 |
|
---|
1189 | int curl_mvsprintf(char *buffer, const char *format, va_list ap_save)
|
---|
1190 | {
|
---|
1191 | int retcode = formatf(&buffer, storebuffer, format, ap_save);
|
---|
1192 | *buffer = 0; /* we terminate this with a zero byte */
|
---|
1193 | return retcode;
|
---|
1194 | }
|
---|
1195 |
|
---|
1196 | int curl_mvprintf(const char *format, va_list ap_save)
|
---|
1197 | {
|
---|
1198 | return formatf(stdout, fputc_wrapper, format, ap_save);
|
---|
1199 | }
|
---|
1200 |
|
---|
1201 | int curl_mvfprintf(FILE *whereto, const char *format, va_list ap_save)
|
---|
1202 | {
|
---|
1203 | return formatf(whereto, fputc_wrapper, format, ap_save);
|
---|
1204 | }
|
---|