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    33. 

  33. <h1>_SP_vfprintf.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
    34. 

  34. <a name="l00002"></a>00002 <span class="comment">FUNCTION</span>
    35. 

  35. <a name="l00003"></a>00003 <span class="comment">&lt;&lt;vprintf&gt;&gt;, &lt;&lt;vfprintf&gt;&gt;, &lt;&lt;vsprintf&gt;&gt;---format argument list</span>
    36. 

  36. <a name="l00004"></a>00004 <span class="comment"></span>
    37. 

  37. <a name="l00005"></a>00005 <span class="comment">INDEX</span>
    38. 

  38. <a name="l00006"></a>00006 <span class="comment">        vprintf</span>
    39. 

  39. <a name="l00007"></a>00007 <span class="comment">INDEX</span>
    40. 

  40. <a name="l00008"></a>00008 <span class="comment">        vfprintf</span>
    41. 

  41. <a name="l00009"></a>00009 <span class="comment">INDEX</span>
    42. 

  42. <a name="l00010"></a>00010 <span class="comment">        vsprintf</span>
    43. 

  43. <a name="l00011"></a>00011 <span class="comment">INDEX</span>
    44. 

  44. <a name="l00012"></a>00012 <span class="comment">        vsnprintf</span>
    45. 

  45. <a name="l00013"></a>00013 <span class="comment"></span>
    46. 

  46. <a name="l00014"></a>00014 <span class="comment">ANSI_SYNOPSIS</span>
    47. 

  47. <a name="l00015"></a>00015 <span class="comment">        #include &lt;stdio.h&gt;</span>
    48. 

  48. <a name="l00016"></a>00016 <span class="comment">        #include &lt;stdarg.h&gt;</span>
    49. 

  49. <a name="l00017"></a>00017 <span class="comment">        int vprintf(const char *&lt;[fmt]&gt;, va_list &lt;[list]&gt;);</span>
    50. 

  50. <a name="l00018"></a>00018 <span class="comment">        int vfprintf(FILE *&lt;[fp]&gt;, const char *&lt;[fmt]&gt;, va_list &lt;[list]&gt;);</span>
    51. 

  51. <a name="l00019"></a>00019 <span class="comment">        int vsprintf(char *&lt;[str]&gt;, const char *&lt;[fmt]&gt;, va_list &lt;[list]&gt;);</span>
    52. 

  52. <a name="l00020"></a>00020 <span class="comment">        int vasprintf(char **&lt;[strp]&gt;, const char *&lt;[fmt]&gt;, va_list &lt;[list]&gt;);</span>
    53. 

  53. <a name="l00021"></a>00021 <span class="comment">        int vsnprintf(char *&lt;[str]&gt;, size_t &lt;[size]&gt;, const char *&lt;[fmt]&gt;, va_list &lt;[list]&gt;);</span>
    54. 

  54. <a name="l00022"></a>00022 <span class="comment"></span>
    55. 

  55. <a name="l00023"></a>00023 <span class="comment">        int _vprintf_r(void *&lt;[reent]&gt;, const char *&lt;[fmt]&gt;,</span>
    56. 

  56. <a name="l00024"></a>00024 <span class="comment">                        va_list &lt;[list]&gt;);</span>
    57. 

  57. <a name="l00025"></a>00025 <span class="comment">        int _vfprintf_r(void *&lt;[reent]&gt;, FILE *&lt;[fp]&gt;, const char *&lt;[fmt]&gt;,</span>
    58. 

  58. <a name="l00026"></a>00026 <span class="comment">                        va_list &lt;[list]&gt;);</span>
    59. 

  59. <a name="l00027"></a>00027 <span class="comment">        int _vasprintf_r(void *&lt;[reent]&gt;, char **&lt;[str]&gt;, const char *&lt;[fmt]&gt;,</span>
    60. 

  60. <a name="l00028"></a>00028 <span class="comment">                        va_list &lt;[list]&gt;);</span>
    61. 

  61. <a name="l00029"></a>00029 <span class="comment">        int _vsprintf_r(void *&lt;[reent]&gt;, char *&lt;[str]&gt;, const char *&lt;[fmt]&gt;,</span>
    62. 

  62. <a name="l00030"></a>00030 <span class="comment">                        va_list &lt;[list]&gt;);</span>
    63. 

  63. <a name="l00031"></a>00031 <span class="comment">        int _vsnprintf_r(void *&lt;[reent]&gt;, char *&lt;[str]&gt;, size_t &lt;[size]&gt;, const char *&lt;[fmt]&gt;,</span>
    64. 

  64. <a name="l00032"></a>00032 <span class="comment">                        va_list &lt;[list]&gt;);</span>
    65. 

  65. <a name="l00033"></a>00033 <span class="comment"></span>
    66. 

  66. <a name="l00034"></a>00034 <span class="comment">TRAD_SYNOPSIS</span>
    67. 

  67. <a name="l00035"></a>00035 <span class="comment">        #include &lt;stdio.h&gt;</span>
    68. 

  68. <a name="l00036"></a>00036 <span class="comment">        #include &lt;varargs.h&gt;</span>
    69. 

  69. <a name="l00037"></a>00037 <span class="comment">        int vprintf( &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    70. 

  70. <a name="l00038"></a>00038 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    71. 

  71. <a name="l00039"></a>00039 <span class="comment">        va_list &lt;[list]&gt;;</span>
    72. 

  72. <a name="l00040"></a>00040 <span class="comment"></span>
    73. 

  73. <a name="l00041"></a>00041 <span class="comment">        int vfprintf(&lt;[fp]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    74. 

  74. <a name="l00042"></a>00042 <span class="comment">        FILE *&lt;[fp]&gt;;</span>
    75. 

  75. <a name="l00043"></a>00043 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    76. 

  76. <a name="l00044"></a>00044 <span class="comment">        va_list &lt;[list]&gt;;</span>
    77. 

  77. <a name="l00045"></a>00045 <span class="comment"></span>
    78. 

  78. <a name="l00046"></a>00046 <span class="comment">        int vasprintf(&lt;[strp]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    79. 

  79. <a name="l00047"></a>00047 <span class="comment">        char **&lt;[strp]&gt;;</span>
    80. 

  80. <a name="l00048"></a>00048 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    81. 

  81. <a name="l00049"></a>00049 <span class="comment">        va_list &lt;[list]&gt;;</span>
    82. 

  82. <a name="l00050"></a>00050 <span class="comment"></span>
    83. 

  83. <a name="l00051"></a>00051 <span class="comment">        int vsprintf(&lt;[str]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    84. 

  84. <a name="l00052"></a>00052 <span class="comment">        char *&lt;[str]&gt;;</span>
    85. 

  85. <a name="l00053"></a>00053 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    86. 

  86. <a name="l00054"></a>00054 <span class="comment">        va_list &lt;[list]&gt;;</span>
    87. 

  87. <a name="l00055"></a>00055 <span class="comment"></span>
    88. 

  88. <a name="l00056"></a>00056 <span class="comment">        int vsnprintf(&lt;[str]&gt;, &lt;[size]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    89. 

  89. <a name="l00057"></a>00057 <span class="comment">        char *&lt;[str]&gt;;</span>
    90. 

  90. <a name="l00058"></a>00058 <span class="comment">        size_t &lt;[size]&gt;;</span>
    91. 

  91. <a name="l00059"></a>00059 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    92. 

  92. <a name="l00060"></a>00060 <span class="comment">        va_list &lt;[list]&gt;;</span>
    93. 

  93. <a name="l00061"></a>00061 <span class="comment"></span>
    94. 

  94. <a name="l00062"></a>00062 <span class="comment">        int _vprintf_r(&lt;[reent]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    95. 

  95. <a name="l00063"></a>00063 <span class="comment">        char *&lt;[reent]&gt;;</span>
    96. 

  96. <a name="l00064"></a>00064 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    97. 

  97. <a name="l00065"></a>00065 <span class="comment">        va_list &lt;[list]&gt;;</span>
    98. 

  98. <a name="l00066"></a>00066 <span class="comment"></span>
    99. 

  99. <a name="l00067"></a>00067 <span class="comment">        int _vfprintf_r(&lt;[reent]&gt;, &lt;[fp]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    100. 

  100. <a name="l00068"></a>00068 <span class="comment">        char *&lt;[reent]&gt;;</span>
    101. 

  101. <a name="l00069"></a>00069 <span class="comment">        FILE *&lt;[fp]&gt;;</span>
    102. 

  102. <a name="l00070"></a>00070 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    103. 

  103. <a name="l00071"></a>00071 <span class="comment">        va_list &lt;[list]&gt;;</span>
    104. 

  104. <a name="l00072"></a>00072 <span class="comment"></span>
    105. 

  105. <a name="l00073"></a>00073 <span class="comment">        int _vasprintf_r(&lt;[reent]&gt;, &lt;[strp]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    106. 

  106. <a name="l00074"></a>00074 <span class="comment">        char *&lt;[reent]&gt;;</span>
    107. 

  107. <a name="l00075"></a>00075 <span class="comment">        char **&lt;[strp]&gt;;</span>
    108. 

  108. <a name="l00076"></a>00076 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    109. 

  109. <a name="l00077"></a>00077 <span class="comment">        va_list &lt;[list]&gt;;</span>
    110. 

  110. <a name="l00078"></a>00078 <span class="comment"></span>
    111. 

  111. <a name="l00079"></a>00079 <span class="comment">        int _vsprintf_r(&lt;[reent]&gt;, &lt;[str]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    112. 

  112. <a name="l00080"></a>00080 <span class="comment">        char *&lt;[reent]&gt;;</span>
    113. 

  113. <a name="l00081"></a>00081 <span class="comment">        char *&lt;[str]&gt;;</span>
    114. 

  114. <a name="l00082"></a>00082 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    115. 

  115. <a name="l00083"></a>00083 <span class="comment">        va_list &lt;[list]&gt;;</span>
    116. 

  116. <a name="l00084"></a>00084 <span class="comment"></span>
    117. 

  117. <a name="l00085"></a>00085 <span class="comment">        int _vsnprintf_r(&lt;[reent]&gt;, &lt;[str]&gt;, &lt;[size]&gt;, &lt;[fmt]&gt;, &lt;[list]&gt;)</span>
    118. 

  118. <a name="l00086"></a>00086 <span class="comment">        char *&lt;[reent]&gt;;</span>
    119. 

  119. <a name="l00087"></a>00087 <span class="comment">        char *&lt;[str]&gt;;</span>
    120. 

  120. <a name="l00088"></a>00088 <span class="comment">        size_t &lt;[size]&gt;;</span>
    121. 

  121. <a name="l00089"></a>00089 <span class="comment">        char *&lt;[fmt]&gt;;</span>
    122. 

  122. <a name="l00090"></a>00090 <span class="comment">        va_list &lt;[list]&gt;;</span>
    123. 

  123. <a name="l00091"></a>00091 <span class="comment"></span>
    124. 

  124. <a name="l00092"></a>00092 <span class="comment">DESCRIPTION</span>
    125. 

  125. <a name="l00093"></a>00093 <span class="comment">&lt;&lt;vprintf&gt;&gt;, &lt;&lt;vfprintf&gt;&gt;, &lt;&lt;vasprintf&gt;&gt;, &lt;&lt;vsprintf&gt;&gt; and &lt;&lt;vsnprintf&gt;&gt; are </span>
    126. 

  126. <a name="l00094"></a>00094 <span class="comment">(respectively) variants of &lt;&lt;printf&gt;&gt;, &lt;&lt;fprintf&gt;&gt;, &lt;&lt;asprintf&gt;&gt;, &lt;&lt;sprintf&gt;&gt;,</span>
    127. 

  127. <a name="l00095"></a>00095 <span class="comment">and &lt;&lt;snprintf&gt;&gt;.  They differ only in allowing their caller to pass the </span>
    128. 

  128. <a name="l00096"></a>00096 <span class="comment">variable argument list as a &lt;&lt;va_list&gt;&gt; object (initialized by &lt;&lt;va_start&gt;&gt;) </span>
    129. 

  129. <a name="l00097"></a>00097 <span class="comment">rather than directly accepting a variable number of arguments.</span>
    130. 

  130. <a name="l00098"></a>00098 <span class="comment"></span>
    131. 

  131. <a name="l00099"></a>00099 <span class="comment">RETURNS</span>
    132. 

  132. <a name="l00100"></a>00100 <span class="comment">The return values are consistent with the corresponding functions:</span>
    133. 

  133. <a name="l00101"></a>00101 <span class="comment">&lt;&lt;vasprintf&gt;&gt;/&lt;&lt;vsprintf&gt;&gt; returns the number of bytes in the output string,</span>
    134. 

  134. <a name="l00102"></a>00102 <span class="comment">save that the concluding &lt;&lt;NULL&gt;&gt; is not counted.</span>
    135. 

  135. <a name="l00103"></a>00103 <span class="comment">&lt;&lt;vprintf&gt;&gt; and &lt;&lt;vfprintf&gt;&gt; return the number of characters transmitted.</span>
    136. 

  136. <a name="l00104"></a>00104 <span class="comment">If an error occurs, &lt;&lt;vprintf&gt;&gt; and &lt;&lt;vfprintf&gt;&gt; return &lt;&lt;EOF&gt;&gt; and</span>
    137. 

  137. <a name="l00105"></a>00105 <span class="comment">&lt;&lt;vasprintf&gt;&gt; returns -1.  No error returns occur for &lt;&lt;vsprintf&gt;&gt;.</span>
    138. 

  138. <a name="l00106"></a>00106 <span class="comment"></span>
    139. 

  139. <a name="l00107"></a>00107 <span class="comment">PORTABILITY</span>
    140. 

  140. <a name="l00108"></a>00108 <span class="comment">ANSI C requires all three functions.</span>
    141. 

  141. <a name="l00109"></a>00109 <span class="comment"></span>
    142. 

  142. <a name="l00110"></a>00110 <span class="comment">Supporting OS subroutines required: &lt;&lt;close&gt;&gt;, &lt;&lt;fstat&gt;&gt;, &lt;&lt;isatty&gt;&gt;,</span>
    143. 

  143. <a name="l00111"></a>00111 <span class="comment">&lt;&lt;lseek&gt;&gt;, &lt;&lt;read&gt;&gt;, &lt;&lt;sbrk&gt;&gt;, &lt;&lt;write&gt;&gt;.</span>
    144. 

  144. <a name="l00112"></a>00112 <span class="comment">*/</span>
    145. 

  145. <a name="l00113"></a>00113 
    146. 

  146. <a name="l00114"></a>00114 <span class="comment">/*</span>
    147. 

  147. <a name="l00115"></a>00115 <span class="comment"> * Copyright (c) 1990 The Regents of the University of California.</span>
    148. 

  148. <a name="l00116"></a>00116 <span class="comment"> * All rights reserved.</span>
    149. 

  149. <a name="l00117"></a>00117 <span class="comment"> *</span>
    150. 

  150. <a name="l00118"></a>00118 <span class="comment"> * This code is derived from software contributed to Berkeley by</span>
    151. 

  151. <a name="l00119"></a>00119 <span class="comment"> * Chris Torek.</span>
    152. 

  152. <a name="l00120"></a>00120 <span class="comment"> *</span>
    153. 

  153. <a name="l00121"></a>00121 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
    154. 

  154. <a name="l00122"></a>00122 <span class="comment"> * modification, are permitted provided that the following conditions</span>
    155. 

  155. <a name="l00123"></a>00123 <span class="comment"> * are met:</span>
    156. 

  156. <a name="l00124"></a>00124 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
    157. 

  157. <a name="l00125"></a>00125 <span class="comment"> *    notice, this list of conditions and the following disclaimer.</span>
    158. 

  158. <a name="l00126"></a>00126 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
    159. 

  159. <a name="l00127"></a>00127 <span class="comment"> *    notice, this list of conditions and the following disclaimer in the</span>
    160. 

  160. <a name="l00128"></a>00128 <span class="comment"> *    documentation and/or other materials provided with the distribution.</span>
    161. 

  161. <a name="l00129"></a>00129 <span class="comment"> * 3. All advertising materials mentioning features or use of this software</span>
    162. 

  162. <a name="l00130"></a>00130 <span class="comment"> *    must display the following acknowledgement:</span>
    163. 

  163. <a name="l00131"></a>00131 <span class="comment"> *      This product includes software developed by the University of</span>
    164. 

  164. <a name="l00132"></a>00132 <span class="comment"> *      California, Berkeley and its contributors.</span>
    165. 

  165. <a name="l00133"></a>00133 <span class="comment"> * 4. Neither the name of the University nor the names of its contributors</span>
    166. 

  166. <a name="l00134"></a>00134 <span class="comment"> *    may be used to endorse or promote products derived from this software</span>
    167. 

  167. <a name="l00135"></a>00135 <span class="comment"> *    without specific prior written permission.</span>
    168. 

  168. <a name="l00136"></a>00136 <span class="comment"> *</span>
    169. 

  169. <a name="l00137"></a>00137 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS&apos;&apos; AND</span>
    170. 

  170. <a name="l00138"></a>00138 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
    171. 

  171. <a name="l00139"></a>00139 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
    172. 

  172. <a name="l00140"></a>00140 <span class="comment"> * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE</span>
    173. 

  173. <a name="l00141"></a>00141 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span>
    174. 

  174. <a name="l00142"></a>00142 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS</span>
    175. 

  175. <a name="l00143"></a>00143 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
    176. 

  176. <a name="l00144"></a>00144 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span>
    177. 

  177. <a name="l00145"></a>00145 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span>
    178. 

  178. <a name="l00146"></a>00146 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF</span>
    179. 

  179. <a name="l00147"></a>00147 <span class="comment"> * SUCH DAMAGE.</span>
    180. 

  180. <a name="l00148"></a>00148 <span class="comment"> */</span>
    181. 

  181. <a name="l00149"></a>00149 
    182. 

  182. <a name="l00150"></a>00150 <span class="preprocessor">#if defined(LIBC_SCCS) &amp;&amp; !defined(lint)</span>
    183. 

  183. <a name="l00151"></a>00151 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">char</span> *sccsid = <span class="stringliteral">&quot;from: @(#)vfprintf.c     5.50 (Berkeley) 12/16/92&quot;</span>;
    184. 

  184. <a name="l00152"></a>00152 <span class="preprocessor">#endif </span><span class="comment">/* LIBC_SCCS and not lint */</span>
    185. 

  185. <a name="l00153"></a>00153 
    186. 

  186. <a name="l00154"></a>00154 <span class="comment">/*</span>
    187. 

  187. <a name="l00155"></a>00155 <span class="comment"> * Actual printf innards.</span>
    188. 

  188. <a name="l00156"></a>00156 <span class="comment"> *</span>
    189. 

  189. <a name="l00157"></a>00157 <span class="comment"> * This code is large and complicated...</span>
    190. 

  190. <a name="l00158"></a>00158 <span class="comment"> */</span>
    191. 

  191. <a name="l00159"></a>00159 
    192. 

  192. <a name="l00160"></a>00160 
    193. 

  193. <a name="l00161"></a>00161 <span class="preprocessor">#ifdef _SMALL_PRINTF</span>
    194. 

  194. <a name="l00162"></a>00162 <span class="preprocessor"></span><span class="preprocessor">#define _NO_LONGDBL</span>
    195. 

  195. <a name="l00163"></a>00163 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    196. 

  196. <a name="l00164"></a>00164 <span class="preprocessor"></span>
    197. 

  197. <a name="l00165"></a>00165 
    198. 

  198. <a name="l00166"></a>00166 <span class="preprocessor">#ifdef INTEGER_ONLY</span>
    199. 

  199. <a name="l00167"></a>00167 <span class="preprocessor"></span><span class="preprocessor">        #define VFPRINTF vfiprintf</span>
    200. 

  200. <a name="l00168"></a>00168 <span class="preprocessor"></span><span class="preprocessor">        #define _VFPRINTF_R _vfiprintf_r</span>
    201. 

  201. <a name="l00169"></a>00169 <span class="preprocessor"></span><span class="preprocessor">#else</span>
    202. 

  202. <a name="l00170"></a>00170 <span class="preprocessor"></span><span class="preprocessor">        #define VFPRINTF vfprintf</span>
    203. 

  203. <a name="l00171"></a>00171 <span class="preprocessor"></span><span class="preprocessor">        #define _VFPRINTF_R _vfprintf_r</span>
    204. 

  204. <a name="l00172"></a>00172 <span class="preprocessor"></span><span class="preprocessor">        #ifndef NO_FLOATING_POINT</span>
    205. 

  205. <a name="l00173"></a>00173 <span class="preprocessor"></span><span class="preprocessor">        #define FLOATING_POINT</span>
    206. 

  206. <a name="l00174"></a>00174 <span class="preprocessor"></span><span class="preprocessor">        #endif</span>
    207. 

  207. <a name="l00175"></a>00175 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    208. 

  208. <a name="l00176"></a>00176 <span class="preprocessor"></span>
    209. 

  209. <a name="l00177"></a>00177 <span class="preprocessor">#define _NO_LONGLONG</span>
    210. 

  210. <a name="l00178"></a>00178 <span class="preprocessor"></span><span class="preprocessor">#if defined WANT_PRINTF_LONG_LONG &amp;&amp; defined __GNUC__</span>
    211. 

  211. <a name="l00179"></a>00179 <span class="preprocessor"></span><span class="preprocessor"># undef _NO_LONGLONG</span>
    212. 

  212. <a name="l00180"></a>00180 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    213. 

  213. <a name="l00181"></a>00181 <span class="preprocessor"></span>
    214. 

  214. <a name="l00182"></a>00182 <span class="preprocessor">#define _NO_POS_ARGS </span>
    215. 

  215. <a name="l00183"></a>00183 <span class="preprocessor"></span><span class="preprocessor">#if defined WANT_IO_POS_ARGS</span>
    216. 

  216. <a name="l00184"></a>00184 <span class="preprocessor"></span><span class="preprocessor"># undef _NO_POS_ARGS</span>
    217. 

  217. <a name="l00185"></a>00185 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    218. 

  218. <a name="l00186"></a>00186 <span class="preprocessor"></span>
    219. 

  219. <a name="l00187"></a>00187 <span class="preprocessor">#include &lt;_ansi.h&gt;</span>
    220. 

  220. <a name="l00188"></a>00188 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
    221. 

  221. <a name="l00189"></a>00189 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
    222. 

  222. <a name="l00190"></a>00190 <span class="preprocessor">#include &lt;string.h&gt;</span>
    223. 

  223. <a name="l00191"></a>00191 <span class="preprocessor">#include &lt;limits.h&gt;</span>
    224. 

  224. <a name="l00192"></a>00192 <span class="preprocessor">#include &lt;reent.h&gt;</span>
    225. 

  225. <a name="l00193"></a>00193 <span class="preprocessor">#include &lt;wchar.h&gt;</span>
    226. 

  226. <a name="l00194"></a>00194 <span class="preprocessor">#include &lt;string.h&gt;</span>
    227. 

  227. <a name="l00195"></a>00195 <span class="preprocessor">#include &lt;sys/lock.h&gt;</span>
    228. 

  228. <a name="l00196"></a>00196 
    229. 

  229. <a name="l00197"></a>00197 <span class="preprocessor">#ifdef _HAVE_STDC</span>
    230. 

  230. <a name="l00198"></a>00198 <span class="preprocessor"></span><span class="preprocessor">#include &lt;stdarg.h&gt;</span>
    231. 

  231. <a name="l00199"></a>00199 <span class="preprocessor">#else</span>
    232. 

  232. <a name="l00200"></a>00200 <span class="preprocessor"></span><span class="preprocessor">#include &lt;varargs.h&gt;</span>
    233. 

  233. <a name="l00201"></a>00201 <span class="preprocessor">#endif</span>
    234. 

  234. <a name="l00202"></a>00202 <span class="preprocessor"></span>
    235. 

  235. <a name="l00203"></a>00203 <span class="preprocessor">#ifndef _SMALL_PRINTF</span>
    236. 

  236. <a name="l00204"></a>00204 <span class="preprocessor"></span><span class="preprocessor">        #include &quot;local.h&quot;</span>
    237. 

  237. <a name="l00205"></a>00205 <span class="preprocessor">        #include &quot;fvwrite.h&quot;</span>
    238. 

  238. <a name="l00206"></a>00206 <span class="preprocessor">#else</span>
    239. 

  239. <a name="l00207"></a>00207 <span class="preprocessor"></span><span class="preprocessor">        #define MAXBUFLOC 80</span>
    240. 

  240. <a name="l00208"></a>00208 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    241. 

  241. <a name="l00209"></a>00209 <span class="preprocessor"></span>
    242. 

  242. <a name="l00210"></a>00210 <span class="preprocessor">        #include &quot;vfieeefp.h&quot;</span>
    243. 

  243. <a name="l00211"></a>00211 
    244. 

  244. <a name="l00212"></a>00212 <span class="comment">/* Currently a test is made to see if long double processing is warranted.</span>
    245. 

  245. <a name="l00213"></a>00213 <span class="comment">   This could be changed in the future should the _ldtoa_r code be</span>
    246. 

  246. <a name="l00214"></a>00214 <span class="comment">   preferred over _dtoa_r.  */</span>
    247. 

  247. <a name="l00215"></a>00215 <span class="preprocessor">#define _NO_LONGDBL</span>
    248. 

  248. <a name="l00216"></a>00216 <span class="preprocessor"></span><span class="preprocessor">#if defined WANT_IO_LONG_DBL &amp;&amp; (LDBL_MANT_DIG &gt; DBL_MANT_DIG)</span>
    249. 

  249. <a name="l00217"></a>00217 <span class="preprocessor"></span><span class="preprocessor">#       undef _NO_LONGDBL</span>
    250. 

  250. <a name="l00218"></a>00218 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    251. 

  251. <a name="l00219"></a>00219 <span class="preprocessor"></span>
    252. 

  252. <a name="l00220"></a>00220 
    253. 

  253. <a name="l00221"></a>00221 <span class="preprocessor">#ifndef _SMALL_PRINTF</span>
    254. 

  254. <a name="l00222"></a>00222 <span class="preprocessor"></span><span class="comment">/*</span>
    255. 

  255. <a name="l00223"></a>00223 <span class="comment"> * Flush out all the vectors defined by the given uio,</span>
    256. 

  256. <a name="l00224"></a>00224 <span class="comment"> * then reset it so that it can be reused.</span>
    257. 

  257. <a name="l00225"></a>00225 <span class="comment"> */</span>
    258. 

  258. <a name="l00226"></a>00226 <span class="keyword">static</span> <span class="keywordtype">int</span>
    259. 

  259. <a name="l00227"></a>00227 __sprint(fp, uio)
    260. 

  260. <a name="l00228"></a>00228         FILE *fp;
    261. 

  261. <a name="l00229"></a>00229         register struct __suio *uio;
    262. 

  262. <a name="l00230"></a>00230 {
    263. 

  263. <a name="l00231"></a>00231         <span class="keyword">register</span> <span class="keywordtype">int</span> err;
    264. 

  264. <a name="l00232"></a>00232 
    265. 

  265. <a name="l00233"></a>00233         <span class="keywordflow">if</span> (uio-&gt;uio_resid == 0) {
    266. 

  266. <a name="l00234"></a>00234                 uio-&gt;uio_iovcnt = 0;
    267. 

  267. <a name="l00235"></a>00235                 <span class="keywordflow">return</span> (0);
    268. 

  268. <a name="l00236"></a>00236         }
    269. 

  269. <a name="l00237"></a>00237         err = __sfvwrite(fp, uio);
    270. 

  270. <a name="l00238"></a>00238         uio-&gt;uio_resid = 0;
    271. 

  271. <a name="l00239"></a>00239         uio-&gt;uio_iovcnt = 0;
    272. 

  272. <a name="l00240"></a>00240         <span class="keywordflow">return</span> (err);
    273. 

  273. <a name="l00241"></a>00241 }
    274. 

  274. <a name="l00242"></a>00242 
    275. 

  275. <a name="l00243"></a>00243 <span class="comment">/*</span>
    276. 

  276. <a name="l00244"></a>00244 <span class="comment"> * Helper function for `fprintf to unbuffered unix file&apos;: creates a</span>
    277. 

  277. <a name="l00245"></a>00245 <span class="comment"> * temporary buffer.  We only work on write-only files; this avoids</span>
    278. 

  278. <a name="l00246"></a>00246 <span class="comment"> * worries about ungetc buffers and so forth.</span>
    279. 

  279. <a name="l00247"></a>00247 <span class="comment"> */</span>
    280. 

  280. <a name="l00248"></a>00248 <span class="keyword">static</span> <span class="keywordtype">int</span>
    281. 

  281. <a name="l00249"></a>00249 __sbprintf(fp, fmt, ap)
    282. 

  282. <a name="l00250"></a>00250         register FILE *fp;
    283. 

  283. <a name="l00251"></a>00251         const <span class="keywordtype">char</span> *fmt;
    284. 

  284. <a name="l00252"></a>00252         va_list ap;
    285. 

  285. <a name="l00253"></a>00253 {
    286. 

  286. <a name="l00254"></a>00254         <span class="keywordtype">int</span> ret;
    287. 

  287. <a name="l00255"></a>00255         FILE fake;
    288. 

  288. <a name="l00256"></a>00256         <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[BUFSIZ];
    289. 

  289. <a name="l00257"></a>00257 
    290. 

  290. <a name="l00258"></a>00258         <span class="comment">/* copy the important variables */</span>
    291. 

  291. <a name="l00259"></a>00259         fake._flags = fp-&gt;_flags &amp; ~__SNBF;
    292. 

  292. <a name="l00260"></a>00260         fake._file = fp-&gt;_file;
    293. 

  293. <a name="l00261"></a>00261         fake._cookie = fp-&gt;_cookie;
    294. 

  294. <a name="l00262"></a>00262         fake._write = fp-&gt;_write;
    295. 

  295. <a name="l00263"></a>00263 
    296. 

  296. <a name="l00264"></a>00264         <span class="comment">/* set up the buffer */</span>
    297. 

  297. <a name="l00265"></a>00265         fake._bf._base = fake._p = buf;
    298. 

  298. <a name="l00266"></a>00266         fake._bf._size = fake._w = <span class="keyword">sizeof</span>(buf);
    299. 

  299. <a name="l00267"></a>00267         fake._lbfsize = 0;      <span class="comment">/* not actually used, but Just In Case */</span>
    300. 

  300. <a name="l00268"></a>00268 <span class="preprocessor">#ifndef __SINGLE_THREAD__</span>
    301. 

  301. <a name="l00269"></a>00269 <span class="preprocessor"></span>        __lock_init_recursive (*(_LOCK_RECURSIVE_T *)&amp;fake._lock);
    302. 

  302. <a name="l00270"></a>00270 <span class="preprocessor">#endif</span>
    303. 

  303. <a name="l00271"></a>00271 <span class="preprocessor"></span>
    304. 

  304. <a name="l00272"></a>00272         <span class="comment">/* do the work, then copy any error status */</span>
    305. 

  305. <a name="l00273"></a>00273         ret = VFPRINTF(&amp;fake, fmt, ap);
    306. 

  306. <a name="l00274"></a>00274         <span class="keywordflow">if</span> (ret &gt;= 0 &amp;&amp; fflush(&amp;fake))
    307. 

  307. <a name="l00275"></a>00275                 ret = EOF;
    308. 

  308. <a name="l00276"></a>00276         <span class="keywordflow">if</span> (fake._flags &amp; __SERR)
    309. 

  309. <a name="l00277"></a>00277                 fp-&gt;_flags |= __SERR;
    310. 

  310. <a name="l00278"></a>00278 
    311. 

  311. <a name="l00279"></a>00279 <span class="preprocessor">#ifndef __SINGLE_THREAD__</span>
    312. 

  312. <a name="l00280"></a>00280 <span class="preprocessor"></span>        __lock_close_recursive (*(_LOCK_RECURSIVE_T *)&amp;fake._lock);
    313. 

  313. <a name="l00281"></a>00281 <span class="preprocessor">#endif</span>
    314. 

  314. <a name="l00282"></a>00282 <span class="preprocessor"></span>        <span class="keywordflow">return</span> (ret);
    315. 

  315. <a name="l00283"></a>00283 }
    316. 

  316. <a name="l00284"></a>00284 <span class="preprocessor">#endif</span>
    317. 

  317. <a name="l00285"></a>00285 <span class="preprocessor"></span>
    318. 

  318. <a name="l00286"></a>00286 
    319. 

  319. <a name="l00287"></a>00287 
    320. 

  320. <a name="l00288"></a>00288 <span class="preprocessor">#ifdef FLOATING_POINT</span>
    321. 

  321. <a name="l00289"></a>00289 <span class="preprocessor"></span><span class="preprocessor">#include &lt;locale.h&gt;</span>
    322. 

  322. <a name="l00290"></a>00290 <span class="preprocessor">#include &lt;math.h&gt;</span>
    323. 

  323. <a name="l00291"></a>00291 <span class="preprocessor">#include &quot;floatio.h&quot;</span>
    324. 

  324. <a name="l00292"></a>00292 
    325. 

  325. <a name="l00293"></a>00293 <span class="preprocessor">#if ((MAXEXP+MAXFRACT+1) &gt; MB_LEN_MAX)</span>
    326. 

  326. <a name="l00294"></a>00294 <span class="preprocessor"></span><span class="preprocessor">#  define BUF (MAXEXP+MAXFRACT+1) </span><span class="comment">/* + decimal point */</span>
    327. 

  327. <a name="l00295"></a>00295 <span class="preprocessor">#else </span>
    328. 

  328. <a name="l00296"></a>00296 <span class="preprocessor"></span><span class="preprocessor">#  define BUF MB_LEN_MAX</span>
    329. 

  329. <a name="l00297"></a>00297 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    330. 

  330. <a name="l00298"></a>00298 <span class="preprocessor"></span>
    331. 

  331. <a name="l00299"></a>00299 <span class="preprocessor">#define DEFPREC         6</span>
    332. 

  332. <a name="l00300"></a>00300 <span class="preprocessor"></span>
    333. 

  333. <a name="l00301"></a>00301 <span class="preprocessor">#ifdef _NO_LONGDBL</span>
    334. 

  334. <a name="l00302"></a>00302 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">char</span> *cvt _PARAMS((<span class="keyword">struct</span> _reent *, <span class="keywordtype">double</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">char</span> *, <span class="keywordtype">int</span> *, <span class="keywordtype">int</span>, <span class="keywordtype">int</span> *));
    335. 

  335. <a name="l00303"></a>00303 <span class="preprocessor">#else</span>
    336. 

  336. <a name="l00304"></a>00304 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">char</span> *cvt _PARAMS((<span class="keyword">struct</span> _reent *, _LONG_DOUBLE, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">char</span> *, <span class="keywordtype">int</span> *, <span class="keywordtype">int</span>, <span class="keywordtype">int</span> *));
    337. 

  337. <a name="l00305"></a>00305 <span class="keyword">extern</span> <span class="keywordtype">int</span>  _ldcheck _PARAMS((_LONG_DOUBLE *));
    338. 

  338. <a name="l00306"></a>00306 <span class="preprocessor">#endif</span>
    339. 

  339. <a name="l00307"></a>00307 <span class="preprocessor"></span>
    340. 

  340. <a name="l00308"></a>00308 <span class="keyword">static</span> <span class="keywordtype">int</span> exponent _PARAMS((<span class="keywordtype">char</span> *, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>));
    341. 

  341. <a name="l00309"></a>00309 
    342. 

  342. <a name="l00310"></a>00310 <span class="preprocessor">#else </span><span class="comment">/* no FLOATING_POINT */</span>
    343. 

  343. <a name="l00311"></a>00311 
    344. 

  344. <a name="l00312"></a>00312 <span class="preprocessor">#define BUF             40</span>
    345. 

  345. <a name="l00313"></a>00313 <span class="preprocessor"></span>
    346. 

  346. <a name="l00314"></a>00314 <span class="preprocessor">#endif </span><span class="comment">/* FLOATING_POINT */</span>
    347. 

  347. <a name="l00315"></a>00315 
    348. 

  348. <a name="l00316"></a>00316 <span class="preprocessor">#ifndef _NO_LONGLONG</span>
    349. 

  349. <a name="l00317"></a>00317 <span class="preprocessor"></span><span class="preprocessor">#define quad_t long long</span>
    350. 

  350. <a name="l00318"></a>00318 <span class="preprocessor"></span><span class="preprocessor">#define u_quad_t unsigned long long</span>
    351. 

  351. <a name="l00319"></a>00319 <span class="preprocessor"></span><span class="preprocessor">#else</span>
    352. 

  352. <a name="l00320"></a>00320 <span class="preprocessor"></span><span class="preprocessor">#define quad_t long</span>
    353. 

  353. <a name="l00321"></a>00321 <span class="preprocessor"></span><span class="preprocessor">#define u_quad_t unsigned long</span>
    354. 

  354. <a name="l00322"></a>00322 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    355. 

  355. <a name="l00323"></a>00323 <span class="preprocessor"></span>
    356. 

  356. <a name="l00324"></a>00324 <span class="keyword">typedef</span> quad_t * quad_ptr_t;
    357. 

  357. <a name="l00325"></a>00325 <span class="keyword">typedef</span> <span class="keywordtype">void</span> *   void_ptr_t;
    358. 

  358. <a name="l00326"></a>00326 <span class="keyword">typedef</span> <span class="keywordtype">char</span> *   char_ptr_t;
    359. 

  359. <a name="l00327"></a>00327 <span class="keyword">typedef</span> <span class="keywordtype">long</span> *   long_ptr_t;
    360. 

  360. <a name="l00328"></a>00328 <span class="keyword">typedef</span> <span class="keywordtype">int</span>  *   int_ptr_t;
    361. 

  361. <a name="l00329"></a>00329 <span class="keyword">typedef</span> <span class="keywordtype">short</span> *  short_ptr_t;
    362. 

  362. <a name="l00330"></a>00330 
    363. 

  363. <a name="l00331"></a>00331 <span class="preprocessor">#ifndef _NO_POS_ARGS</span>
    364. 

  364. <a name="l00332"></a>00332 <span class="preprocessor"></span><span class="preprocessor">#define MAX_POS_ARGS 32</span>
    365. 

  365. <a name="l00333"></a>00333 <span class="preprocessor"></span>
    366. 

  366. <a name="l00334"></a>00334 <span class="keyword">union </span>arg_val
    367. 

  367. <a name="l00335"></a>00335 {
    368. 

  368. <a name="l00336"></a>00336   <span class="keywordtype">int</span> val_int;
    369. 

  369. <a name="l00337"></a>00337   u_int val_u_int;
    370. 

  370. <a name="l00338"></a>00338   <span class="keywordtype">long</span> val_long;
    371. 

  371. <a name="l00339"></a>00339   u_long val_u_long;
    372. 

  372. <a name="l00340"></a>00340   <span class="keywordtype">float</span> val_float;
    373. 

  373. <a name="l00341"></a>00341   <span class="keywordtype">double</span> val_double;
    374. 

  374. <a name="l00342"></a>00342   _LONG_DOUBLE val__LONG_DOUBLE;
    375. 

  375. <a name="l00343"></a>00343   int_ptr_t val_int_ptr_t;
    376. 

  376. <a name="l00344"></a>00344   short_ptr_t val_short_ptr_t;
    377. 

  377. <a name="l00345"></a>00345   long_ptr_t val_long_ptr_t;
    378. 

  378. <a name="l00346"></a>00346   char_ptr_t val_char_ptr_t;
    379. 

  379. <a name="l00347"></a>00347   quad_ptr_t val_quad_ptr_t;
    380. 

  380. <a name="l00348"></a>00348   void_ptr_t val_void_ptr_t;
    381. 

  381. <a name="l00349"></a>00349   quad_t val_quad_t;
    382. 

  382. <a name="l00350"></a>00350   u_quad_t val_u_quad_t;
    383. 

  383. <a name="l00351"></a>00351   wint_t val_wint_t;
    384. 

  384. <a name="l00352"></a>00352 };
    385. 

  385. <a name="l00353"></a>00353 
    386. 

  386. <a name="l00354"></a>00354 <span class="keyword">static</span> <span class="keyword">union </span>arg_val *get_arg (<span class="keyword">struct</span> _reent *data, <span class="keywordtype">int</span> n, <span class="keywordtype">char</span> *fmt, 
    387. 

  387. <a name="l00355"></a>00355                                va_list *ap, <span class="keywordtype">int</span> *numargs, <span class="keyword">union</span> arg_val *args, 
    388. 

  388. <a name="l00356"></a>00356                                <span class="keywordtype">int</span> *arg_type, <span class="keywordtype">char</span> **last_fmt);
    389. 

  389. <a name="l00357"></a>00357 <span class="preprocessor">#endif </span><span class="comment">/* !_NO_POS_ARGS */</span>
    390. 

  390. <a name="l00358"></a>00358 
    391. 

  391. <a name="l00359"></a>00359 <span class="comment">/*</span>
    392. 

  392. <a name="l00360"></a>00360 <span class="comment"> * Macros for converting digits to letters and vice versa</span>
    393. 

  393. <a name="l00361"></a>00361 <span class="comment"> */</span>
    394. 

  394. <a name="l00362"></a>00362 <span class="preprocessor">#define to_digit(c)     ((c) - &apos;0&apos;)</span>
    395. 

  395. <a name="l00363"></a>00363 <span class="preprocessor"></span><span class="preprocessor">#define is_digit(c)     ((unsigned)to_digit(c) &lt;= 9)</span>
    396. 

  396. <a name="l00364"></a>00364 <span class="preprocessor"></span><span class="preprocessor">#define to_char(n)      ((n) + &apos;0&apos;)</span>
    397. 

  397. <a name="l00365"></a>00365 <span class="preprocessor"></span>
    398. 

  398. <a name="l00366"></a>00366 <span class="comment">/*</span>
    399. 

  399. <a name="l00367"></a>00367 <span class="comment"> * Flags used during conversion.</span>
    400. 

  400. <a name="l00368"></a>00368 <span class="comment"> */</span>
    401. 

  401. <a name="l00369"></a>00369 <span class="preprocessor">#define ALT             0x001           </span><span class="comment">/* alternate form */</span>
    402. 

  402. <a name="l00370"></a>00370 <span class="preprocessor">#define HEXPREFIX       0x002           </span><span class="comment">/* add 0x or 0X prefix */</span>
    403. 

  403. <a name="l00371"></a>00371 <span class="preprocessor">#define LADJUST         0x004           </span><span class="comment">/* left adjustment */</span>
    404. 

  404. <a name="l00372"></a>00372 <span class="preprocessor">#define LONGDBL         0x008           </span><span class="comment">/* long double */</span>
    405. 

  405. <a name="l00373"></a>00373 <span class="preprocessor">#define LONGINT         0x010           </span><span class="comment">/* long integer */</span>
    406. 

  406. <a name="l00374"></a>00374 <span class="preprocessor">#ifndef _NO_LONGLONG</span>
    407. 

  407. <a name="l00375"></a>00375 <span class="preprocessor"></span><span class="preprocessor">#define QUADINT         0x020           </span><span class="comment">/* quad integer */</span>
    408. 

  408. <a name="l00376"></a>00376 <span class="preprocessor">#else </span><span class="comment">/* ifdef _NO_LONGLONG, make QUADINT equivalent to LONGINT, so</span>
    409. 

  409. <a name="l00377"></a>00377 <span class="comment">         that %lld behaves the same as %ld, not as %d, as expected if:</span>
    410. 

  410. <a name="l00378"></a>00378 <span class="comment">         sizeof (long long) = sizeof long &gt; sizeof int  */</span>
    411. 

  411. <a name="l00379"></a>00379 <span class="preprocessor">#define QUADINT         LONGINT</span>
    412. 

  412. <a name="l00380"></a>00380 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    413. 

  413. <a name="l00381"></a>00381 <span class="preprocessor"></span><span class="preprocessor">#define SHORTINT        0x040           </span><span class="comment">/* short integer */</span>
    414. 

  414. <a name="l00382"></a>00382 <span class="preprocessor">#define ZEROPAD         0x080           </span><span class="comment">/* zero (as opposed to blank) pad */</span>
    415. 

  415. <a name="l00383"></a>00383 <span class="preprocessor">#define FPT             0x100           </span><span class="comment">/* Floating point number */</span>
    416. 

  416. <a name="l00384"></a>00384 
    417. 

  417. <a name="l00385"></a>00385 
    418. 

  418. <a name="l00386"></a>00386                 <span class="keywordtype">int</span> _EXFUN (_VFPRINTF_R, (<span class="keyword">struct</span> _reent *, FILE *, _CONST <span class="keywordtype">char</span> *, va_list));
    419. 

  419. <a name="l00387"></a>00387                 
    420. 

  420. <a name="l00388"></a>00388                 <span class="keywordtype">int</span> 
    421. 

  421. <a name="l00389"></a>00389                 _DEFUN (VFPRINTF, (fp, fmt0, ap),
    422. 

  422. <a name="l00390"></a>00390                         FILE * fp _AND
    423. 

  423. <a name="l00391"></a>00391                         _CONST <span class="keywordtype">char</span> *fmt0 _AND
    424. 

  424. <a name="l00392"></a>00392                         va_list ap)
    425. 

  425. <a name="l00393"></a>00393                 {
    426. 

  426. <a name="l00394"></a>00394                   <span class="keywordtype">int</span> result;
    427. 

  427. <a name="l00395"></a>00395                   _flockfile(fp);
    428. 

  428. <a name="l00396"></a>00396 <span class="preprocessor">#ifndef _SMALL_PRINTF             </span>
    429. 

  429. <a name="l00397"></a>00397 <span class="preprocessor"></span>                  CHECK_INIT (fp);
    430. 

  430. <a name="l00398"></a>00398 <span class="preprocessor">#endif</span>
    431. 

  431. <a name="l00399"></a>00399 <span class="preprocessor"></span>                  result = _VFPRINTF_R (_REENT, fp, fmt0, ap);
    432. 

  432. <a name="l00400"></a>00400                   _funlockfile(fp);
    433. 

  433. <a name="l00401"></a>00401                   <span class="keywordflow">return</span> result;
    434. 

  434. <a name="l00402"></a>00402                 }
    435. 

  435. <a name="l00403"></a>00403 
    436. 

  436. <a name="l00404"></a>00404 
    437. 

  437. <a name="l00405"></a>00405 
    438. 

  438. <a name="l00406"></a>00406 <span class="keywordtype">int</span> 
    439. 

  439. <a name="l00407"></a>00407 _DEFUN (_VFPRINTF_R, (data, fp, fmt0, ap),
    440. 

  440. <a name="l00408"></a>00408         <span class="keyword">struct</span> _reent *data _AND
    441. 

  441. <a name="l00409"></a>00409         FILE * fp _AND
    442. 

  442. <a name="l00410"></a>00410         _CONST <span class="keywordtype">char</span> *fmt0 _AND
    443. 

  443. <a name="l00411"></a>00411         va_list ap)
    444. 

  444. <a name="l00412"></a>00412 {
    445. 

  445. <a name="l00413"></a>00413         <span class="keyword">register</span> <span class="keywordtype">char</span> *fmt;     <span class="comment">/* format string */</span>
    446. 

  446. <a name="l00414"></a>00414         <span class="keyword">register</span> <span class="keywordtype">int</span> ch;        <span class="comment">/* character from fmt */</span>
    447. 

  447. <a name="l00415"></a>00415         <span class="keyword">register</span> <span class="keywordtype">int</span> n, m;      <span class="comment">/* handy integers (short term usage) */</span>
    448. 

  448. <a name="l00416"></a>00416         <span class="keyword">register</span> <span class="keywordtype">char</span> *cp;      <span class="comment">/* handy char pointer (short term usage) */</span>
    449. 

  449. <a name="l00417"></a>00417         <span class="keyword">register</span> <span class="keyword">struct </span>__siov *iovp;<span class="comment">/* for PRINT macro */</span>
    450. 

  450. <a name="l00418"></a>00418         <span class="keyword">register</span> <span class="keywordtype">int</span> flags;     <span class="comment">/* flags as above */</span>
    451. 

  451. <a name="l00419"></a>00419         <span class="keywordtype">char</span> *fmt_anchor;       <span class="comment">/* current format spec being processed */</span>
    452. 

  452. <a name="l00420"></a>00420         <span class="keywordtype">int</span> N;                  <span class="comment">/* arg number */</span>
    453. 

  453. <a name="l00421"></a>00421         <span class="keywordtype">int</span> arg_index;          <span class="comment">/* index into args processed directly */</span>
    454. 

  454. <a name="l00422"></a>00422 <span class="preprocessor">#ifndef _NO_POS_ARGS</span>
    455. 

  455. <a name="l00423"></a>00423 <span class="preprocessor"></span>        <span class="keywordtype">int</span> numargs;            <span class="comment">/* number of varargs read */</span>
    456. 

  456. <a name="l00424"></a>00424         <span class="keywordtype">char</span> *saved_fmt;        <span class="comment">/* saved fmt pointer */</span>
    457. 

  457. <a name="l00425"></a>00425         <span class="keyword">union </span>arg_val args[MAX_POS_ARGS];
    458. 

  458. <a name="l00426"></a>00426         <span class="keywordtype">int</span> arg_type[MAX_POS_ARGS];
    459. 

  459. <a name="l00427"></a>00427         <span class="keywordtype">int</span> is_pos_arg;         <span class="comment">/* is current format positional? */</span>
    460. 

  460. <a name="l00428"></a>00428         <span class="keywordtype">int</span> old_is_pos_arg;     <span class="comment">/* is current format positional? */</span>
    461. 

  461. <a name="l00429"></a>00429 <span class="preprocessor">#endif</span>
    462. 

  462. <a name="l00430"></a>00430 <span class="preprocessor"></span>        <span class="keywordtype">int</span> ret;                <span class="comment">/* return value accumulator */</span>
    463. 

  463. <a name="l00431"></a>00431         <span class="keywordtype">int</span> width;              <span class="comment">/* width from format (%8d), or 0 */</span>
    464. 

  464. <a name="l00432"></a>00432         <span class="keywordtype">int</span> prec;               <span class="comment">/* precision from format (%.3d), or -1 */</span>
    465. 

  465. <a name="l00433"></a>00433         <span class="keywordtype">char</span> sign;              <span class="comment">/* sign prefix (&apos; &apos;, &apos;+&apos;, &apos;-&apos;, or \0) */</span>
    466. 

  466. <a name="l00434"></a>00434 <span class="preprocessor">#ifdef FLOATING_POINT</span>
    467. 

  467. <a name="l00435"></a>00435 <span class="preprocessor"></span><span class="preprocessor">#ifdef _SMALL_PRINTF</span>
    468. 

  468. <a name="l00436"></a>00436 <span class="preprocessor"></span>                <span class="keywordtype">char</span> *decimal_point = <span class="stringliteral">&quot;.&quot;</span>;
    469. 

  469. <a name="l00437"></a>00437 <span class="preprocessor">#else</span>
    470. 

  470. <a name="l00438"></a>00438 <span class="preprocessor"></span>                <span class="keywordtype">char</span> *decimal_point = localeconv()-&gt;decimal_point;
    471. 

  471. <a name="l00439"></a>00439 <span class="preprocessor">#endif</span>
    472. 

  472. <a name="l00440"></a>00440 <span class="preprocessor"></span>        <span class="keywordtype">char</span> softsign;          <span class="comment">/* temporary negative sign for floats */</span>
    473. 

  473. <a name="l00441"></a>00441 <span class="preprocessor">#ifdef _NO_LONGDBL</span>
    474. 

  474. <a name="l00442"></a>00442 <span class="preprocessor"></span>        <span class="keyword">union </span>{ <span class="keywordtype">int</span> i; <span class="keywordtype">double</span> d; } _double_ = {0};
    475. 

  475. <a name="l00443"></a>00443 <span class="preprocessor">        #define _fpvalue (_double_.d)</span>
    476. 

  476. <a name="l00444"></a>00444 <span class="preprocessor"></span><span class="preprocessor">#else</span>
    477. 

  477. <a name="l00445"></a>00445 <span class="preprocessor"></span>        <span class="keyword">union </span>{ <span class="keywordtype">int</span> i; _LONG_DOUBLE ld; } _long_double_ = {0};
    478. 

  478. <a name="l00446"></a>00446 <span class="preprocessor">        #define _fpvalue (_long_double_.ld)</span>
    479. 

  479. <a name="l00447"></a>00447 <span class="preprocessor"></span>        <span class="keywordtype">int</span> tmp;  
    480. 

  480. <a name="l00448"></a>00448 <span class="preprocessor">#endif</span>
    481. 

  481. <a name="l00449"></a>00449 <span class="preprocessor"></span>        <span class="keywordtype">int</span> expt;               <span class="comment">/* integer value of exponent */</span>
    482. 

  482. <a name="l00450"></a>00450         <span class="keywordtype">int</span> expsize = 0;        <span class="comment">/* character count for expstr */</span>
    483. 

  483. <a name="l00451"></a>00451         <span class="keywordtype">int</span> ndig;               <span class="comment">/* actual number of digits returned by cvt */</span>
    484. 

  484. <a name="l00452"></a>00452         <span class="keywordtype">char</span> expstr[7];         <span class="comment">/* buffer for exponent string */</span>
    485. 

  485. <a name="l00453"></a>00453 <span class="preprocessor">#endif</span>
    486. 

  486. <a name="l00454"></a>00454 <span class="preprocessor"></span>        u_quad_t _uquad;        <span class="comment">/* integer arguments %[diouxX] */</span>
    487. 

  487. <a name="l00455"></a>00455         <span class="keyword">enum</span> { OCT, DEC, HEX } base;<span class="comment">/* base for [diouxX] conversion */</span>
    488. 

  488. <a name="l00456"></a>00456         <span class="keywordtype">int</span> dprec;              <span class="comment">/* a copy of prec if [diouxX], 0 otherwise */</span>
    489. 

  489. <a name="l00457"></a>00457         <span class="keywordtype">int</span> realsz;             <span class="comment">/* field size expanded by dprec */</span>
    490. 

  490. <a name="l00458"></a>00458         <span class="keywordtype">int</span> size;               <span class="comment">/* size of converted field or string */</span>
    491. 

  491. <a name="l00459"></a>00459         <span class="keywordtype">char</span> *xdigs = NULL;     <span class="comment">/* digits for [xX] conversion */</span>
    492. 

  492. <a name="l00460"></a>00460 <span class="preprocessor">#ifndef _SMALL_PRINTF</span>
    493. 

  493. <a name="l00461"></a>00461 <span class="preprocessor"></span><span class="preprocessor">                #define NIOV 8</span>
    494. 

  494. <a name="l00462"></a>00462 <span class="preprocessor"></span>                        <span class="keyword">struct </span>__suio uio;      <span class="comment">/* output information: summary */</span>
    495. 

  495. <a name="l00463"></a>00463                         <span class="keyword">struct </span>__siov iov[NIOV];<span class="comment">/* ... and individual io vectors */</span>
    496. 

  496. <a name="l00464"></a>00464                         <span class="keywordtype">char</span> *malloc_buf = NULL;<span class="comment">/* handy pointer for malloced buffers */</span>
    497. 

  497. <a name="l00465"></a>00465 <span class="preprocessor">#else</span>
    498. 

  498. <a name="l00466"></a>00466 <span class="preprocessor"></span>        <span class="keywordtype">char</span> malloc_buf [MAXBUFLOC]; <span class="comment">/* local buffers */</span>
    499. 

  499. <a name="l00467"></a>00467 <span class="preprocessor">#endif</span>
    500. 

  500. <a name="l00468"></a>00468 <span class="preprocessor"></span>
    501. 

  501. <a name="l00469"></a>00469         <span class="keywordtype">char</span> buf[BUF];          <span class="comment">/* space for %c, %[diouxX], %[eEfgG] */</span>
    502. 

  502. <a name="l00470"></a>00470         <span class="keywordtype">char</span> ox[2];             <span class="comment">/* space for 0x hex-prefix */</span>
    503. 

  503. <a name="l00471"></a>00471 <span class="preprocessor">#ifdef MB_CAPABLE</span>
    504. 

  504. <a name="l00472"></a>00472 <span class="preprocessor"></span>        <span class="keywordtype">wchar_t</span> wc;
    505. 

  505. <a name="l00473"></a>00473         mbstate_t state;        <span class="comment">/* mbtowc calls from library must not change state */</span>
    506. 

  506. <a name="l00474"></a>00474 <span class="preprocessor">#endif</span>
    507. 

  507. <a name="l00475"></a>00475 <span class="preprocessor"></span>
    508. 

  508. <a name="l00476"></a>00476 
    509. 

  509. <a name="l00477"></a>00477         <span class="comment">/*</span>
    510. 

  510. <a name="l00478"></a>00478 <span class="comment">         * Choose PADSIZE to trade efficiency vs. size.  If larger printf</span>
    511. 

  511. <a name="l00479"></a>00479 <span class="comment">         * fields occur frequently, increase PADSIZE and make the initialisers</span>
    512. 

  512. <a name="l00480"></a>00480 <span class="comment">         * below longer.</span>
    513. 

  513. <a name="l00481"></a>00481 <span class="comment">         */</span>
    514. 

  514. <a name="l00482"></a>00482 <span class="preprocessor">#define PADSIZE 16              </span><span class="comment">/* pad chunk size */</span>
    515. 

  515. <a name="l00483"></a>00483         <span class="keyword">static</span> _CONST <span class="keywordtype">char</span> blanks[PADSIZE] =
    516. 

  516. <a name="l00484"></a>00484          {<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class="charliteral">&apos; &apos;</span>,<span class…
    517.

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