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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_dd2411636cfeb3780831d8d9eec9249e.html">msgpack</a></li> </ul>
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<div class="title">sbuffer.h</div> </div>
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<a href="sbuffer_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> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * MessagePack for C simple buffer implementation</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2008-2009 FURUHASHI Sadayuki</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Distributed under the Boost Software License, Version 1.0.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * (See accompanying file LICENSE_1_0.txt or copy at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * http://www.boost.org/LICENSE_1_0.txt)</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="preprocessor">#ifndef MSGPACK_SBUFFER_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define MSGPACK_SBUFFER_H</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="structmsgpack__sbuffer.html"> 27</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a> {</div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3"> 28</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">size</a>;</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d"> 29</a></span>  <span class="keywordtype">char</span>* <a class="code" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">data</a>;</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="structmsgpack__sbuffer.html#a88402032cb871f09a8aac19c249e273c"> 30</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structmsgpack__sbuffer.html#a88402032cb871f09a8aac19c249e273c">alloc</a>;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> } <a class="code" href="group__msgpack__sbuffer.html#gafb14e3b3135a7a277b9cf9db166239da">msgpack_sbuffer</a>;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> msgpack_sbuffer_init(<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>* sbuf)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  memset(sbuf, 0, <span class="keyword">sizeof</span>(<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>));</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> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> msgpack_sbuffer_destroy(<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>* sbuf)</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>  free(sbuf-><a class="code" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">data</a>);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</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="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>* msgpack_sbuffer_new(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> (<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>*)calloc(1, <span class="keyword">sizeof</span>(<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>));</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"> 48</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> msgpack_sbuffer_free(<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>* sbuf)</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span>(sbuf == NULL) { <span class="keywordflow">return</span>; }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  msgpack_sbuffer_destroy(sbuf);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  free(sbuf);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#ifndef MSGPACK_SBUFFER_INIT_SIZE</span></div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="group__msgpack__sbuffer.html#gade520c7c47ad98eedfa182d236c9a4e6"> 56</a></span> <span class="preprocessor">#define MSGPACK_SBUFFER_INIT_SIZE 8192</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> msgpack_sbuffer_write(<span class="keywordtype">void</span>* <a class="code" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">data</a>, <span class="keyword">const</span> <span class="keywordtype">char</span>* buf, <span class="keywordtype">size_t</span> <a class="code" href="unpack__template_8h.html#ac16e956eac9f5c3180afa8e80d4f098c">len</a>)</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>  <a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>* sbuf = (<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>*)data;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">if</span>(sbuf-><a class="code" href="structmsgpack__sbuffer.html#a88402032cb871f09a8aac19c249e273c">alloc</a> - sbuf-><a class="code" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">size</a> < len) {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">void</span>* tmp;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">size_t</span> nsize = (sbuf-><a class="code" href="structmsgpack__sbuffer.html#a88402032cb871f09a8aac19c249e273c">alloc</a>) ?</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  sbuf-><a class="code" href="structmsgpack__sbuffer.html#a88402032cb871f09a8aac19c249e273c">alloc</a> * 2 : <a class="code" href="group__msgpack__sbuffer.html#gade520c7c47ad98eedfa182d236c9a4e6">MSGPACK_SBUFFER_INIT_SIZE</a>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">while</span>(nsize < sbuf-><a class="code" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">size</a> + len) {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">size_t</span> tmp_nsize = nsize * 2;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (tmp_nsize <= nsize) {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  nsize = sbuf-><a class="code" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">size</a> + <a class="code" href="unpack__template_8h.html#ac16e956eac9f5c3180afa8e80d4f098c">len</a>;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  nsize = tmp_nsize;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</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>  tmp = realloc(sbuf-><a class="code" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">data</a>, nsize);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span>(!tmp) { <span class="keywordflow">return</span> -1; }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  sbuf-><a class="code" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">data</a> = (<span class="keywordtype">char</span>*)tmp;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  sbuf-><a class="code" href="structmsgpack__sbuffer.html#a88402032cb871f09a8aac19c249e273c">alloc</a> = nsize;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  memcpy(sbuf-><a class="code" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">data</a> + sbuf-><a class="code" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">size</a>, buf, len);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  sbuf-><a class="code" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">size</a> += <a class="code" href="unpack__template_8h.html#ac16e956eac9f5c3180afa8e80d4f098c">len</a>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> 0;</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> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">char</span>* msgpack_sbuffer_release(<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>* sbuf)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">char</span>* tmp = sbuf-><a class="code" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">data</a>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  sbuf-><a class="code" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">size</a> = 0;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  sbuf-><a class="code" href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">data</a> = NULL;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  sbuf-><a class="code" href="structmsgpack__sbuffer.html#a88402032cb871f09a8aac19c249e273c">alloc</a> = 0;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> tmp;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> msgpack_sbuffer_clear(<a class="code" href="structmsgpack__sbuffer.html">msgpack_sbuffer</a>* sbuf)</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  sbuf-><a class="code" href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">size</a> = 0;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#endif </span><span class="comment">/* msgpack/sbuffer.h */</span><span class="preprocessor"></span></div><div class="ttc" id="structmsgpack__sbuffer_html_a7779f75edb79f38b4f987e04985011f3"><div class="ttname"><a href="structmsgpack__sbuffer.html#a7779f75edb79f38b4f987e04985011f3">msgpack_sbuffer::size</a></div><div class="ttdeci">size_t size</div><div class="ttdef"><b>Definition:</b> sbuffer.h:28</div></div>
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<div class="ttc" id="group__msgpack__sbuffer_html_gade520c7c47ad98eedfa182d236c9a4e6"><div class="ttname"><a href="group__msgpack__sbuffer.html#gade520c7c47ad98eedfa182d236c9a4e6">MSGPACK_SBUFFER_INIT_SIZE</a></div><div class="ttdeci">#define MSGPACK_SBUFFER_INIT_SIZE</div><div class="ttdef"><b>Definition:</b> sbuffer.h:56</div></div>
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<div class="ttc" id="structmsgpack__sbuffer_html_a88402032cb871f09a8aac19c249e273c"><div class="ttname"><a href="structmsgpack__sbuffer.html#a88402032cb871f09a8aac19c249e273c">msgpack_sbuffer::alloc</a></div><div class="ttdeci">size_t alloc</div><div class="ttdef"><b>Definition:</b> sbuffer.h:30</div></div>
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<div class="ttc" id="group__msgpack__sbuffer_html_gafb14e3b3135a7a277b9cf9db166239da"><div class="ttname"><a href="group__msgpack__sbuffer.html#gafb14e3b3135a7a277b9cf9db166239da">msgpack_sbuffer</a></div><div class="ttdeci">struct msgpack_sbuffer msgpack_sbuffer</div></div>
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<div class="ttc" id="unpack__template_8h_html_ac16e956eac9f5c3180afa8e80d4f098c"><div class="ttname"><a href="unpack__template_8h.html#ac16e956eac9f5c3180afa8e80d4f098c">len</a></div><div class="ttdeci">const char size_t len</div><div class="ttdef"><b>Definition:</b> unpack_template.h:89</div></div>
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<div class="ttc" id="structmsgpack__sbuffer_html_a2dc6fcda73b0e59f3dcaa61b7e85837d"><div class="ttname"><a href="structmsgpack__sbuffer.html#a2dc6fcda73b0e59f3dcaa61b7e85837d">msgpack_sbuffer::data</a></div><div class="ttdeci">char * data</div><div class="ttdef"><b>Definition:</b> sbuffer.h:29</div></div>
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<div class="ttc" id="structmsgpack__sbuffer_html"><div class="ttname"><a href="structmsgpack__sbuffer.html">msgpack_sbuffer</a></div><div class="ttdef"><b>Definition:</b> sbuffer.h:27</div></div>
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