universalisos/docs/html/libstand-reference-manual/stdio_8h_source.html
Fábio Coutada 7855eab092 feat(import): Complete PikeOS 5.0 ecosystem import from devvm-arch
MAJOR MILESTONE: Successfully imported complete PikeOS 5.0 ecosystem
from Virtual Machine 100 (devvm-arch) on gigabyte Proxmox server.

Import Summary:
- Source Code: 4.3GB, 63,441 files, 14,829 C/C++/H files
- Documentation: 78MB, 37+ PDF manuals covering all PikeOS aspects
- XSD Schemas: 1.8MB, 158 schema files for configuration/code generation
- Test Framework: Complete TFW infrastructure in src/tfw/

Key Components:
 Multi-architecture kernels (ARM v7/v8, PowerPC e500/e500mc/e5500, x86_64)
 Core source libraries (libstand, ssw, p4ext)
 Complete test framework with executables, includes, libraries
 37+ comprehensive PDF documentation (installation, development, platform manuals)
 158 XSD schemas for Eclipse-based code generation and configuration
 AUTOSAR/MISRA safety-critical compliance foundation
 Hardware virtualization support
 Eclipse IDE project configuration (.project, .cproject)

Documentation Categories:
- Installation & User Guides (pikeos-installation-guide.pdf, user manuals)
- Development References (kernel, driver, test framework manuals)
- API & Programming (C/C++ environments, native API extensions)
- Platform Manuals (ARM, PowerPC, x86 specific guides)
- CDK Documentation (gcc, binutils, ld, cpp internals)
- Release Notes (all components for 5.0.3)
- Specialized Topics (hardware virtualization, POSIX compliance)

Technical Achievements:
 Complete PikeOS 5.0 codebase across multiple processor architectures
 Safety-critical foundation with AUTOSAR/MISRA compliance
 Eclipse IDE integration with XSD-driven code generation pipeline
 Comprehensive test framework for validation and verification
 Complete documentation covering development, deployment, and optimization

Extraction Method:
- Source: VM 100 (devvm-arch) on gigabyte server (192.168.0.104)
- Method: Direct LVM disk mount via losetup, rsync transfer
- Size: Total 4.4GB extracted and organized

Next Phases:
- Phase 3: XSD Workflow Analysis (Day 8-10)
- Phase 4: Safety Standards Compliance Documentation (Day 11-12)
- Phase 5: Component Categorization (Day 13-14)
- Phase 6: Aurelio Brain Test (Day 15)

Co-Authored-By: Claude <noreply@anthropic.com>
2026-07-06 21:01:41 +01:00

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<div class="title">stdio.h</div> </div>
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<a href="stdio_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef P4X_STAND_STDIO_H</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define P4X_STAND_STDIO_H</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">/* -------------------------- FILE PROLOGUE -------------------------------- */</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * @if INCLUDE_HEADER</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * @copyright</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * (C) Copyright SYSGO AG.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * Klein-Winternheim, Germany</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * All rights reserved.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * @endif</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * @file</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * stdio.h</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * @purpose</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * libstand ANSI C standard I/O functions.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> * @if INCLUDE_HEADER</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> * @cfg_management</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * $Id: include/stand/stdio.h 2019-08-14 16:05:26 +0200 8881457f81bd67c9e33f8df307bdba86ae4b2536 $</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> * $Author$</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment"> * $Date$</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment"> * $Revision$</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment"> * $State$</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment"> * @endif</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">/* @RQ IF_UTIL 14603 */</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment">/* ------------------------- FILE INCLUSION -------------------------------- */</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">/* for size_t */</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="types_8h.html">stand/types.h</a>&gt;</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="cdefs_8h.html">stand/cdefs.h</a>&gt;</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor">#ifndef P4_KERNEL</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#include &lt;stdarg.h&gt;</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment">/* ----------------------- FUNCTION DECLARATIONS --------------------------- */</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">/** @addtogroup stdio</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="comment"> * @{</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor">#ifndef P4_KERNEL</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="comment"> ***********************************************************************</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="comment"> * @brief A function to format and print a string (fmt)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment"> * to an out string (str).</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment"> * See snprintf for a description of the supported format.</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="comment"> * @returns</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="comment"> * This function returns the number of characters copied</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="comment"> * to the out string (not including the trailing NUL</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="comment"> * used to end output to strings).</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="comment"> * The return value is only sound if less that 2GB of characters</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="comment"> * are printed, otherwise \p int will overflow. There is no overflow</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="comment"> * protection against this.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment"> ***********************************************************************</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="comment">/* @RQ IF_UTIL 14139 */</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="group__stdio.html#ga8c2b758171b6f544e4513bcb77ffed59">sprintf</a>(<span class="comment"></span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="comment"> * OUT: Output string.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordtype">char</span> *str,<span class="comment"></span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="comment"> * IN: Format string.</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt,<span class="comment"></span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="comment"> * IN: Argument vector of format string. */</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; ...) __printflike(2, 3);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="comment"> * @cond HIDDEN_SYMBOL</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment">/* @RQ IF_UTIL 14628 */</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;extern <span class="keywordtype">int</span> _st_sprintf(</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordtype">char</span> *str,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; const <span class="keywordtype">char</span> *fmt,</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; ...) __printflike(2, 3);<span class="comment"></span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="comment"> * @endcond</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="comment"> ***********************************************************************</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="comment"> * @brief A function called with a va_list to format a string and print</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="comment"> * this formated string (fmt) to an out string (str).</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment"> * See snprintf for a description of the supported format.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="comment"> * @returns</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="comment"> * This function returns the number of characters copied</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="comment"> * to the out string (not including the trailing NUL</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="comment"> * used to end output to strings).</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="comment"> * The return value is only sound if less that 2GB of characters</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="comment"> * are printed, otherwise \p int will overflow. There is no overflow</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="comment"> * protection against this.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="comment"> ***********************************************************************</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="comment">/* @RQ IF_UTIL 14439 */</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;extern <span class="keywordtype">int</span> <a class="code" href="group__stdio.html#ga0ad7f31113bb0434c5e3be298d2a8f18">vsprintf</a>(<span class="comment"></span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="comment"> * OUT: Output string.</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordtype">char</span> *str,<span class="comment"></span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="comment"> * IN: Format string.</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; const <span class="keywordtype">char</span> *fmt,<span class="comment"></span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="comment"> * IN: Argument vector of format string.</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; va_list ap) __printflike(2, 0);<span class="comment"></span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="comment"> * @cond HIDDEN_SYMBOL</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="comment">/* @RQ IF_UTIL 14630 */</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;extern <span class="keywordtype">int</span> _st_vsprintf(</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordtype">char</span> *str,</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; const <span class="keywordtype">char</span> *fmt,</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; va_list ap) __printflike(2, 0);<span class="comment"></span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="comment"> * @endcond</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* P4_KERNEL */</span><span class="preprocessor"></span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;<span class="comment"> ***********************************************************************</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;<span class="comment"> * @brief A function to format and print a string (fmt)</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;<span class="comment"> * to an out string (str), limited to a given</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;<span class="comment"> * amount of characters (size).</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;<span class="comment"> * This function generally uses the well-known C language standard</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;<span class="comment"> * print format, but only a subset is supported. The following options</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;<span class="comment"> * are supported.</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="comment"> * Format tags begin with a &#39;\\\%&#39; character and are followed by</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;<span class="comment"> * an optional sequence of flags, an optional field width, an</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;<span class="comment"> * optional precision, an optional type size specification, and</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="comment"> * a mandatory conversion specifier.</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="comment"> * Supported flags:</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;<span class="comment"> * &#39;+&#39; (plus) if the number is positive use a &#39;+&#39; character in front</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;<span class="comment"> * of the number.</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;<span class="comment"> * &#39; &#39; (space) if the number is positive, use a white space in front</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;<span class="comment"> * of the number.</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;<span class="comment"> * &#39;-&#39; (minus) left justify within field width (otherwise: right justify).</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<span class="comment"> * A negative field width also triggers this option.</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;<span class="comment"> * &#39;0&#39; (zero) left fill with zeros to field width (otherwise: white space).</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="comment"> * &#39;\\#&#39; (hash) use alternative syntax; semantics depends on</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="comment"> * conversion specifier</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;<span class="comment"> * Field width:</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;<span class="comment"> * A decimal number using &#39;0&#39;..&#39;9&#39; characters: minimum number of</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;<span class="comment"> * characters to use in output string.</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;<span class="comment"> * &#39;*&#39; (asterisk): the field width is provided by an &#39;int&#39; argument.</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;<span class="comment"> * Precision:</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;<span class="comment"> * This always starts with a &#39;.&#39; (period) followed by:</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;<span class="comment"> * A decimal number using &#39;0&#39;..&#39;9&#39; characters: precision to use for</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;<span class="comment"> * formatting. The exact sematics depends on the conversion specifier.</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;<span class="comment"> * &#39;*&#39; (asterisk): the precision is provided by an &#39;int&#39; argument.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;<span class="comment"> * Type size:</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160;<span class="comment"> * &#39;hh&#39;: an integer the same size as &#39;char&#39;</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;<span class="comment"> * &#39;h&#39;: an integer the same size as &#39;short&#39;</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;<span class="comment"> * &#39;l&#39;: an integer the same size as &#39;long&#39;</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;<span class="comment"> * &#39;ll&#39;: an integer the same size as &#39;long long&#39;</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;<span class="comment"> * &#39;z&#39;: an integer the same size as &#39;size_t&#39; (or &#39;P4_size_t&#39;)</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;<span class="comment"> * &#39;t&#39;: an integer the same size as &#39;ptrdiff_t&#39;</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;<span class="comment"> * Format specifiers:</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;<span class="comment"> * &#39;c&#39;: a single character: &#39;\\#&#39; and precision are ignored.</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;<span class="comment"> * &#39;s&#39;: a string: &#39;\\#&#39; is ignored. precision is the maximum number of</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;<span class="comment"> * characters at the beginning of the string to be formatted.</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;<span class="comment"> * &#39;d&#39;, &#39;i&#39;: decimal signed integer. &#39;\\#&#39; is ignored. the precision is</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;<span class="comment"> * the minimum number of zeros printed; default precision is 0.</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;<span class="comment"> * &#39;u&#39;: decimal unsigned integer. &#39;\\#&#39; and precision works like with &#39;d&#39;.</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;<span class="comment"> * &#39;x&#39;: hexadecimal integer. &#39;\\#&#39; will cause printing &#39;0x&#39; prefix if</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;<span class="comment"> * the number is not 0. Precision works like with &#39;d&#39;.</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;<span class="comment"> * &#39;X&#39;: same as &#39;x&#39;, but uses upper case characters.</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160;<span class="comment"> * &#39;o&#39;: octal integer. &#39;\\#&#39; will cause printing &#39;0&#39; prefix if number is</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;<span class="comment"> * not 0. Precision works like with &#39;d&#39;.</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;<span class="comment"> * &#39;p&#39;: prints void* pointer. Works like &#39;x&#39;, but with a pointer argument</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;<span class="comment"> * interpreted as integer.</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;<span class="comment"> * &#39;P&#39;: same as &#39;p&#39;, but uses upper case characters.</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;<span class="comment"> * @returns</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;<span class="comment"> * This function returns the number of characters copied</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;<span class="comment"> * to the out string (not including the trailing NUL</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;<span class="comment"> * used to end output to strings). If more characters would be</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;<span class="comment"> * written than the limit given by (size), the function returns</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;<span class="comment"> * the number of characters that would be written if no limit would</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;<span class="comment"> * exist.</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;<span class="comment"> * The return value is only sound if less that 2GB of characters</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;<span class="comment"> * are printed, otherwise \p int will overflow. There is no overflow</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;<span class="comment"> * protection against this.</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160;<span class="comment"> ***********************************************************************</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;<span class="comment">/* @RQ IF_UTIL 14138 */</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="group__stdio.html#ga37c1e8ce8a2b411fa666dc33972a2cec">snprintf</a>(<span class="comment"></span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160;<span class="comment"> * OUT: Output string.</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <span class="keywordtype">char</span> *str,<span class="comment"></span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160;<span class="comment"> * IN: Maximum number of chars.</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keywordtype">size_t</span> size,<span class="comment"></span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;<span class="comment"> * IN: Format string.</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt,<span class="comment"></span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160;<span class="comment"> /** IN: Argument vector of format string. */</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; ...) __printflike(3, 4);<span class="comment"></span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160;<span class="comment"> * @cond HIDDEN_SYMBOL</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160;<span class="comment">/* @RQ IF_UTIL 14627 */</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;extern <span class="keywordtype">int</span> _st_snprintf(</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="keywordtype">char</span> *str,</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="keywordtype">size_t</span> size,</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; const <span class="keywordtype">char</span> *fmt,</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; ...) __printflike(3, 4);<span class="comment"></span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160;<span class="comment"> * @endcond</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160;<span class="comment"> ***********************************************************************</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160;<span class="comment"> * @brief A function called with a va_list to format a string and print</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160;<span class="comment"> * this formated string (fmt) to an out string (str), limited to</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160;<span class="comment"> * a given number of characters (size).</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160;<span class="comment"> * See snprintf for a description of the supported format.</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160;<span class="comment"> * @returns</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;<span class="comment"> * This function returns the number of characters copied</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;<span class="comment"> * to the out string (not including the trailing NUL</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160;<span class="comment"> * used to end output to strings). If more characters would be</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160;<span class="comment"> * written than the limit given by (size), the function returns</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160;<span class="comment"> * the number of characters that would be written if no limit would</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160;<span class="comment"> * exist.</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160;<span class="comment"> * The return value is only sound if less that 2GB of characters</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160;<span class="comment"> * are printed, otherwise \p int will overflow. There is no overflow</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160;<span class="comment"> * protection against this.</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160;<span class="comment"> ***********************************************************************</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;<span class="comment">/* @RQ IF_UTIL 14436 */</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160;extern <span class="keywordtype">int</span> <a class="code" href="group__stdio.html#ga154043ea6d83b8616f3148fbf4f24244">vsnprintf</a>(<span class="comment"></span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160;<span class="comment"> * OUT: Output string.</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; <span class="keywordtype">char</span> *str,<span class="comment"></span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;<span class="comment"> * IN: Maximum number of chars.</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; <span class="keywordtype">size_t</span> size,<span class="comment"></span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160;<span class="comment"> * IN: Format string.</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; const <span class="keywordtype">char</span> *fmt,<span class="comment"></span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160;<span class="comment"> /**</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160;<span class="comment"> * IN: Argument vector of format string.</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; va_list ap) __printflike(3, 0);<span class="comment"></span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160;<span class="comment"> * @cond HIDDEN_SYMBOL</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160;<span class="comment">/* @RQ IF_UTIL 14629 */</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160;extern <span class="keywordtype">int</span> _st_vsnprintf(</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; <span class="keywordtype">char</span> *str,</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="keywordtype">size_t</span> size,</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; const <span class="keywordtype">char</span> *fmt,</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; va_list ap) __printflike(3, 0);<span class="comment"></span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160;<span class="comment">/**</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160;<span class="comment"> * @endcond</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160;<span class="comment">/** @}</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160;<span class="comment"> * End of group &quot;stdio&quot;</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160;</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* P4X_STAND_STDIO_H */</span><span class="preprocessor"></span></div><div class="ttc" id="types_8h_html"><div class="ttname"><a href="types_8h.html">types.h</a></div><div class="ttdoc">libstand standard types, subset of ANSI C standard types. </div></div>
<div class="ttc" id="group__stdio_html_ga154043ea6d83b8616f3148fbf4f24244"><div class="ttname"><a href="group__stdio.html#ga154043ea6d83b8616f3148fbf4f24244">vsnprintf</a></div><div class="ttdeci">int vsnprintf(char *str, size_t size, const char *fmt, va_list ap)</div><div class="ttdoc">A function called with a va_list to format a string and print this formated string (fmt) to an out st...</div></div>
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<div class="ttc" id="group__stdio_html_ga8c2b758171b6f544e4513bcb77ffed59"><div class="ttname"><a href="group__stdio.html#ga8c2b758171b6f544e4513bcb77ffed59">sprintf</a></div><div class="ttdeci">int sprintf(char *str, const char *fmt,...)</div><div class="ttdoc">A function to format and print a string (fmt) to an out string (str). </div></div>
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