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<div class="title">vsprintf.c</div> </div>
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<a href="../../d7/d31/vsprintf_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2002-2018 The UbixOS Project.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This was developed by Christopher W. Olsen for the UbixOS Project.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification, are permitted</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * provided that the following conditions are met:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * 1) Redistributions of source code must retain the above copyright notice, this list of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * conditions, the following disclaimer and the list of authors.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * 2) Redistributions in binary form must reproduce the above copyright notice, this list of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * conditions, the following disclaimer and the list of authors in the documentation and/or</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * other materials provided with the distribution.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * endorse or promote products derived from this software without specific prior written</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * permission.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * Wirzenius wrote this portably, Torvalds fucked it up :-)</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="../../d1/d2d/stdarg_8h.html">stdarg.h</a>></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="../../da/d66/string_8h.html">string.h</a>></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/* we use this so that we can do without the ctype library */</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a2eb96152a52d739e41d16c53a2e419f3"> 38</a></span> <span class="preprocessor">#define is_digit(c) ((c) >= '0' && (c) <= '9')</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">static</span> <span class="keywordtype">int</span> skip_atoi(<span class="keyword">const</span> <span class="keywordtype">char</span> **s) {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">while</span> (<a class="code" href="../../d7/d31/vsprintf_8c.html#a2eb96152a52d739e41d16c53a2e419f3">is_digit</a>(**s))</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  i = i * 10 + *((*s)++) - <span class="charliteral">'0'</span>;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> i;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a31373af6ef84e6fc25d9a9133522e4a6"> 48</a></span> <span class="preprocessor">#define ZEROPAD 1 </span><span class="comment">/* pad with zero */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a9576d2d6eb782d532607bac077e87892"> 49</a></span> <span class="preprocessor">#define SIGN 2 </span><span class="comment">/* unsigned/signed long */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a0ea7ff5947c5f5430a29fdd98391eb2a"> 50</a></span> <span class="preprocessor">#define PLUS 4 </span><span class="comment">/* show plus */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a5ff6e798033f03e74730e99f01936f84"> 51</a></span> <span class="preprocessor">#define SPACE 8 </span><span class="comment">/* space if plus */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a437ef08681e7210d6678427030446a54"> 52</a></span> <span class="preprocessor">#define LEFT 16 </span><span class="comment">/* left justified */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a84acb423f634978b61ac46856de40a70"> 53</a></span> <span class="preprocessor">#define SPECIAL 32 </span><span class="comment">/* 0x */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a09c78d2f8feb311dd9fc969a0bf84979"> 54</a></span> <span class="preprocessor">#define SMALL 64 </span><span class="comment">/* use 'abcdef' instead of 'ABCDEF' */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#a71a962bd85fdfc754c583d48d47e2040"> 56</a></span> <span class="preprocessor">#define do_div(n,base) ({ \</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">int __res; \</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">__asm__("divl %4":"=a" (n),"=d" (__res):"0" (n),"1" (0),"r" (base)); \</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">__res; })</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">static</span> <span class="keywordtype">char</span> * number(<span class="keywordtype">char</span> * str, <span class="keywordtype">int</span> num, <span class="keywordtype">int</span> base, <span class="keywordtype">int</span> size, <span class="keywordtype">int</span> precision, <span class="keywordtype">int</span> type) {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">char</span> c, sign, tmp[36];</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *digits = <span class="stringliteral">"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"</span>;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a09c78d2f8feb311dd9fc969a0bf84979">SMALL</a>)</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  digits = <span class="stringliteral">"0123456789abcdefghijklmnopqrstuvwxyz"</span>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a437ef08681e7210d6678427030446a54">LEFT</a>)</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  type &= ~<a class="code" href="../../d7/d31/vsprintf_8c.html#a31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (base < 2 || base > 36)</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  c = (type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>) ? <span class="charliteral">'0'</span> : <span class="charliteral">' '</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> ((type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a9576d2d6eb782d532607bac077e87892">SIGN</a>) && num < 0) {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  sign = <span class="charliteral">'-'</span>;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  num = -num;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  sign = (type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a0ea7ff5947c5f5430a29fdd98391eb2a">PLUS</a>) ? <span class="charliteral">'+'</span> : ((type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a5ff6e798033f03e74730e99f01936f84">SPACE</a>) ? <span class="charliteral">' '</span> : 0);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (sign)</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  size--;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a84acb423f634978b61ac46856de40a70">SPECIAL</a>) {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (base == 16) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  size -= 2;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (base == 8) {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  size--;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  i = 0;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (num == 0)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  tmp[i++] = <span class="charliteral">'0'</span>;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">while</span> (num != 0)</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  tmp[i++] = digits[<a class="code" href="../../d7/d31/vsprintf_8c.html#a71a962bd85fdfc754c583d48d47e2040">do_div</a>(num, base)];</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (i > precision)</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  precision = i;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  size -= precision;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (!(type & (<a class="code" href="../../d7/d31/vsprintf_8c.html#a31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a> + <a class="code" href="../../d7/d31/vsprintf_8c.html#a437ef08681e7210d6678427030446a54">LEFT</a>)))</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">while</span> (size-- > 0)</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  *str++ = <span class="charliteral">' '</span>;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (sign)</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  *str++ = sign;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a84acb423f634978b61ac46856de40a70">SPECIAL</a>) {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (base == 8) {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  *str++ = <span class="charliteral">'0'</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (base == 16) {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  *str++ = <span class="charliteral">'0'</span>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  *str++ = digits[33];</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (!(type & <a class="code" href="../../d7/d31/vsprintf_8c.html#a437ef08681e7210d6678427030446a54">LEFT</a>))</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">while</span> (size-- > 0)</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  *str++ = c;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">while</span> (i < precision--)</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  *str++ = <span class="charliteral">'0'</span>;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">while</span> (i-- > 0)</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  *str++ = tmp[i];</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">while</span> (size-- > 0)</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  *str++ = <span class="charliteral">' '</span>;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> str;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="../../d7/d31/vsprintf_8c.html#aaa83f2a89dae6d03dfe15deae29f383a"> 124</a></span> <span class="keywordtype">int</span> <a class="code" href="../../d7/d31/vsprintf_8c.html#aaa83f2a89dae6d03dfe15deae29f383a">vsprintf</a>(<span class="keywordtype">char</span> *<a class="code" href="../../d9/dd0/structbuf.html">buf</a>, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, <a class="code" href="../../d1/d2d/stdarg_8h.html#abaefbc6cabb217bf0138d4f9c94d4775">va_list</a> args) {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> len;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">char</span> * str;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">char</span> *s;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">int</span> *ip;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> flags; <span class="comment">/* flags to number() */</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">int</span> field_width; <span class="comment">/* width of output field */</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">int</span> precision; <span class="comment">/* min. # of digits for integers; max</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> number of chars for from string */</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">int</span> qualifier; <span class="comment">/* 'h', 'l', or 'L' for integer fields */</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">for</span> (str = <a class="code" href="../../d9/dd0/structbuf.html">buf</a>; *fmt; ++fmt) {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (*fmt != <span class="charliteral">'%'</span>) {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  *str++ = *fmt;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">/* process flags */</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  flags = 0;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  repeat: ++fmt; <span class="comment">/* this also skips first '%' */</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">switch</span> (*fmt) {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">case</span> <span class="charliteral">'-'</span>:</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a437ef08681e7210d6678427030446a54">LEFT</a>;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">goto</span> repeat;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">case</span> <span class="charliteral">'+'</span>:</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a0ea7ff5947c5f5430a29fdd98391eb2a">PLUS</a>;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">goto</span> repeat;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">case</span> <span class="charliteral">' '</span>:</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a5ff6e798033f03e74730e99f01936f84">SPACE</a>;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">goto</span> repeat;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">case</span> <span class="charliteral">'#'</span>:</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a84acb423f634978b61ac46856de40a70">SPECIAL</a>;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">goto</span> repeat;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">case</span> <span class="charliteral">'0'</span>:</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">goto</span> repeat;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">/* get field width */</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  field_width = -1;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d7/d31/vsprintf_8c.html#a2eb96152a52d739e41d16c53a2e419f3">is_digit</a>(*fmt))</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  field_width = skip_atoi(&fmt);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*fmt == <span class="charliteral">'*'</span>) {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">/* it's the next argument */</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  field_width = <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (field_width < 0) {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  field_width = -field_width;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a437ef08681e7210d6678427030446a54">LEFT</a>;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">/* get the precision */</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  precision = -1;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (*fmt == <span class="charliteral">'.'</span>) {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  ++fmt;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d7/d31/vsprintf_8c.html#a2eb96152a52d739e41d16c53a2e419f3">is_digit</a>(*fmt))</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  precision = skip_atoi(&fmt);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*fmt == <span class="charliteral">'*'</span>) {</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">/* it's the next argument */</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  precision = <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (precision < 0)</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  precision = 0;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">/* get the conversion qualifier */</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  qualifier = -1;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (*fmt == <span class="charliteral">'h'</span> || *fmt == <span class="charliteral">'l'</span> || *fmt == <span class="charliteral">'L'</span>) {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  qualifier = *fmt;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  ++fmt;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">switch</span> (*fmt) {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">case</span> <span class="charliteral">'c'</span>:</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> (!(flags & <a class="code" href="../../d7/d31/vsprintf_8c.html#a437ef08681e7210d6678427030446a54">LEFT</a>))</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">while</span> (--field_width > 0)</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  *str++ = <span class="charliteral">' '</span>;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  *str++ = (<span class="keywordtype">unsigned</span> char) <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">while</span> (--field_width > 0)</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  *str++ = <span class="charliteral">' '</span>;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">case</span> <span class="charliteral">'s'</span>:</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  s = <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">char</span> *);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  len = <a class="code" href="../../de/d14/lib_8h.html#ae6c8de953239811a34eeeab09458e55e">strlen</a>(s);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (precision < 0)</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  precision = len;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len > precision)</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  len = precision;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (!(flags & <a class="code" href="../../d7/d31/vsprintf_8c.html#a437ef08681e7210d6678427030446a54">LEFT</a>))</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">while</span> (len < field_width--)</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  *str++ = <span class="charliteral">' '</span>;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">for</span> (i = 0; i < len; ++i)</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  *str++ = *s++;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">while</span> (len < field_width--)</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  *str++ = <span class="charliteral">' '</span>;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">case</span> <span class="charliteral">'o'</span>:</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  str = number(str, <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>), 8, field_width, precision, flags);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">case</span> <span class="charliteral">'p'</span>:</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (field_width == -1) {</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  field_width = 8;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  str = number(str, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">void</span> *), 16, field_width, precision, flags);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">case</span> <span class="charliteral">'x'</span>:</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a09c78d2f8feb311dd9fc969a0bf84979">SMALL</a>;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">case</span> <span class="charliteral">'X'</span>:</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  str = number(str, <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>), 16, field_width, precision, flags);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">case</span> <span class="charliteral">'d'</span>:</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">case</span> <span class="charliteral">'i'</span>:</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  flags |= <a class="code" href="../../d7/d31/vsprintf_8c.html#a9576d2d6eb782d532607bac077e87892">SIGN</a>;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">case</span> <span class="charliteral">'u'</span>:</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  str = number(str, <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>), 10, field_width, precision, flags);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  </div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">case</span> <span class="charliteral">'n'</span>:</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  ip = <a class="code" href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a>(args, <span class="keywordtype">int</span> *);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  *ip = (str - <a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">if</span> (*fmt != <span class="charliteral">'%'</span>)</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  *str++ = <span class="charliteral">'%'</span>;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (*fmt)</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  *str++ = *fmt;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  --fmt;</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  *str = <span class="charliteral">'\0'</span>;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">return</span> str - <a class="code" href="../../d9/dd0/structbuf.html">buf</a>;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> }</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  </div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment">/***</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> END</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> ***/</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
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<div class="ttc" id="avsprintf_8c_html_aaa83f2a89dae6d03dfe15deae29f383a"><div class="ttname"><a href="../../d7/d31/vsprintf_8c.html#aaa83f2a89dae6d03dfe15deae29f383a">vsprintf</a></div><div class="ttdeci">int vsprintf(char *buf, const char *fmt, va_list args)</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d31/vsprintf_8c_source.html#l00124">vsprintf.c:124</a></div></div>
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<div class="ttc" id="astructbuf_html"><div class="ttname"><a href="../../d9/dd0/structbuf.html">buf</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d6d/buf_8h_source.html#l00035">buf.h:35</a></div></div>
<div class="ttc" id="avsprintf_8c_html_a9576d2d6eb782d532607bac077e87892"><div class="ttname"><a href="../../d7/d31/vsprintf_8c.html#a9576d2d6eb782d532607bac077e87892">SIGN</a></div><div class="ttdeci">#define SIGN</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d31/vsprintf_8c_source.html#l00049">vsprintf.c:49</a></div></div>
<div class="ttc" id="avsprintf_8c_html_a0ea7ff5947c5f5430a29fdd98391eb2a"><div class="ttname"><a href="../../d7/d31/vsprintf_8c.html#a0ea7ff5947c5f5430a29fdd98391eb2a">PLUS</a></div><div class="ttdeci">#define PLUS</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d31/vsprintf_8c_source.html#l00050">vsprintf.c:50</a></div></div>
<div class="ttc" id="astdarg_8h_html_a81ebe6ea6253b0c6618e29de70fe10eb"><div class="ttname"><a href="../../d1/d2d/stdarg_8h.html#a81ebe6ea6253b0c6618e29de70fe10eb">va_arg</a></div><div class="ttdeci">#define va_arg(ap, type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d2d/stdarg_8h_source.html#l00044">stdarg.h:44</a></div></div>
<div class="ttc" id="avsprintf_8c_html_a5ff6e798033f03e74730e99f01936f84"><div class="ttname"><a href="../../d7/d31/vsprintf_8c.html#a5ff6e798033f03e74730e99f01936f84">SPACE</a></div><div class="ttdeci">#define SPACE</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d31/vsprintf_8c_source.html#l00051">vsprintf.c:51</a></div></div>
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