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<div class="title">utrace.h</div> </div>
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<a href="utrace_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">*******************************************************************************</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) 2003-2013, International Business Machines</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">* Corporation and others. All Rights Reserved.</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">*******************************************************************************</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">* file name: utrace.h</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">* encoding: US-ASCII</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">* tab size: 8 (not used)</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">* indentation:4</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">*</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">* created on: 2003aug06</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">* created by: Markus W. Scherer</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">*</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">* Definitions for ICU tracing/logging.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*</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> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef __UTRACE_H__</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#define __UTRACE_H__</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <stdarg.h></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="utypes_8h.html">unicode/utypes.h</a>"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <a class="code" href="umachine_8h.html#a82c853d86803ab75c89267be54fbac6a">U_CDECL_BEGIN</a></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079"> 44</a></span> <span class="keyword">typedef</span> <span class="keyword">enum</span> <a class="code" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079">UTraceLevel</a> {</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079ad73020624fba9734da1067a92799a7fd"> 46</a></span>  <a class="code" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079ad73020624fba9734da1067a92799a7fd">UTRACE_OFF</a>=-1,</div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079a8e9415b7ad8550fa3d9dcc196f88fe98"> 48</a></span>  <a class="code" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079a8e9415b7ad8550fa3d9dcc196f88fe98">UTRACE_ERROR</a>=0,</div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079a4329e6d348c1ce278aa5a70d9d678416"> 50</a></span>  <a class="code" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079a4329e6d348c1ce278aa5a70d9d678416">UTRACE_WARNING</a>=3,</div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079acf27fc8d57f1b0bd0a1700abcc48e9ad"> 52</a></span>  <a class="code" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079acf27fc8d57f1b0bd0a1700abcc48e9ad">UTRACE_OPEN_CLOSE</a>=5,</div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079ae88684e6ac3d6f889b5d1603395c6bf1"> 54</a></span>  <a class="code" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079ae88684e6ac3d6f889b5d1603395c6bf1">UTRACE_INFO</a>=7,</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079af0102c5618b566755d3d0315aeb18ff4"> 56</a></span>  <a class="code" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079af0102c5618b566755d3d0315aeb18ff4">UTRACE_VERBOSE</a>=9</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> } <a class="code" href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079">UTraceLevel</a>;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="utrace_8h.html#a6076ad13223437bd15a3266791905308"> 63</a></span> <span class="keyword">typedef</span> <span class="keyword">enum</span> <a class="code" href="utrace_8h.html#a6076ad13223437bd15a3266791905308">UTraceFunctionNumber</a> {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  UTRACE_FUNCTION_START=0,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  UTRACE_U_INIT=UTRACE_FUNCTION_START,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  UTRACE_U_CLEANUP,</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  UTRACE_FUNCTION_LIMIT,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  UTRACE_CONVERSION_START=0x1000,</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  UTRACE_UCNV_OPEN=UTRACE_CONVERSION_START,</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  UTRACE_UCNV_OPEN_PACKAGE,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  UTRACE_UCNV_OPEN_ALGORITHMIC,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  UTRACE_UCNV_CLONE,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  UTRACE_UCNV_CLOSE,</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  UTRACE_UCNV_FLUSH_CACHE,</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  UTRACE_UCNV_LOAD,</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  UTRACE_UCNV_UNLOAD,</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  UTRACE_CONVERSION_LIMIT,</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>  UTRACE_COLLATION_START=0x2000,</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  UTRACE_UCOL_OPEN=UTRACE_COLLATION_START,</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  UTRACE_UCOL_CLOSE,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  UTRACE_UCOL_STRCOLL,</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  UTRACE_UCOL_GET_SORTKEY,</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  UTRACE_UCOL_GETLOCALE,</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  UTRACE_UCOL_NEXTSORTKEYPART,</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  UTRACE_UCOL_STRCOLLITER,</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  UTRACE_UCOL_OPEN_FROM_SHORT_STRING,</div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="utrace_8h.html#a6076ad13223437bd15a3266791905308a18dca4774f919146c684b8071fb976f2"> 89</a></span>  <a class="code" href="utrace_8h.html#a6076ad13223437bd15a3266791905308a18dca4774f919146c684b8071fb976f2">UTRACE_UCOL_STRCOLLUTF8</a>, </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  UTRACE_COLLATION_LIMIT</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> } <a class="code" href="utrace_8h.html#a6076ad13223437bd15a3266791905308">UTraceFunctionNumber</a>;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <a class="code" href="umachine_8h.html#af3e3799716eaa41e3f49c7bf18c62b98">U_STABLE</a> <span class="keywordtype">void</span> U_EXPORT2</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <a class="code" href="utrace_8h.html#aeb56de5759104ee6379b8144afbe6d01">utrace_setLevel</a>(int32_t traceLevel);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <a class="code" href="umachine_8h.html#af3e3799716eaa41e3f49c7bf18c62b98">U_STABLE</a> int32_t U_EXPORT2</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <a class="code" href="utrace_8h.html#afc368ae253afd3d22821a868765e54e5">utrace_getLevel</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">/* Trace function pointers types ----------------------------- */</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">typedef</span> <span class="keywordtype">void</span> <a class="code" href="platform_8h.html#a1fae478cb5a46c7e4a0673d267626696">U_CALLCONV</a></div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="utrace_8h.html#a57431e5b7de5217371b6b269039d8960"> 118</a></span> <a class="code" href="utrace_8h.html#a57431e5b7de5217371b6b269039d8960">UTraceEntry</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *context, int32_t fnNumber);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">typedef</span> <span class="keywordtype">void</span> <a class="code" href="platform_8h.html#a1fae478cb5a46c7e4a0673d267626696">U_CALLCONV</a></div>
<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="utrace_8h.html#ac819bbfb23657b4a4c465634a0dc0586"> 134</a></span> <a class="code" href="utrace_8h.html#ac819bbfb23657b4a4c465634a0dc0586">UTraceExit</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *context, int32_t fnNumber, </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, va_list args);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">typedef</span> <span class="keywordtype">void</span> <a class="code" href="platform_8h.html#a1fae478cb5a46c7e4a0673d267626696">U_CALLCONV</a></div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="utrace_8h.html#a22a4d10cb4754a7d3178dc55eb61842f"> 149</a></span> <a class="code" href="utrace_8h.html#a22a4d10cb4754a7d3178dc55eb61842f">UTraceData</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *context, int32_t fnNumber, int32_t level,</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, va_list args);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <a class="code" href="umachine_8h.html#af3e3799716eaa41e3f49c7bf18c62b98">U_STABLE</a> <span class="keywordtype">void</span> U_EXPORT2</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <a class="code" href="utrace_8h.html#aa87ea156afa4807f0a3db73d85c66551">utrace_setFunctions</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *context,</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="utrace_8h.html#a57431e5b7de5217371b6b269039d8960">UTraceEntry</a> *e, <a class="code" href="utrace_8h.html#ac819bbfb23657b4a4c465634a0dc0586">UTraceExit</a> *x, <a class="code" href="utrace_8h.html#a22a4d10cb4754a7d3178dc55eb61842f">UTraceData</a> *d);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <a class="code" href="umachine_8h.html#af3e3799716eaa41e3f49c7bf18c62b98">U_STABLE</a> <span class="keywordtype">void</span> U_EXPORT2</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <a class="code" href="utrace_8h.html#a15c3bee50058d10cdaa1ecc87cd18bae">utrace_getFunctions</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> **context,</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="utrace_8h.html#a57431e5b7de5217371b6b269039d8960">UTraceEntry</a> **e, <a class="code" href="utrace_8h.html#ac819bbfb23657b4a4c465634a0dc0586">UTraceExit</a> **x, <a class="code" href="utrace_8h.html#a22a4d10cb4754a7d3178dc55eb61842f">UTraceData</a> **d);</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> </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> * ICU trace format string syntax</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * Format Strings are passed to UTraceData functions, and define the</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> * number and types of the trace data being passed on each call.</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> * The UTraceData function, which is supplied by the application,</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> * not by ICU, can either forward the trace data (passed via</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> * varargs) and the format string back to ICU for formatting into</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> * a displayable string, or it can interpret the format itself,</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> * and do as it wishes with the trace data.</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> * Goals for the format string</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> * - basic data output</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> * - easy to use for trace programmer</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> * - sufficient provision for data types for trace output readability</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> * - well-defined types and binary portable APIs</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> * Non-goals</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> * - printf compatibility</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> * - fancy formatting</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> * - argument reordering and other internationalization features</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> * ICU trace format strings contain plain text with argument inserts,</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> * much like standard printf format strings.</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> * Each insert begins with a '%', then optionally contains a 'v',</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> * then exactly one type character.</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> * Two '%' in a row represent a '%' instead of an insert.</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * The trace format strings need not have \n at the end.</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> * Types</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> * -----</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> * Type characters:</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * - c A char character in the default codepage.</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * - s A NUL-terminated char * string in the default codepage.</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> * - S A UChar * string. Requires two params, (ptr, length). Length=-1 for nul term.</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> * - b A byte (8-bit integer).</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"> * - h A 16-bit integer. Also a 16 bit Unicode code unit.</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> * - d A 32-bit integer. Also a 20 bit Unicode code point value. </span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> * - l A 64-bit integer.</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> * - p A data pointer.</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * Vectors</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> * -------</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * If the 'v' is not specified, then one item of the specified type</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * is passed in.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * If the 'v' (for "vector") is specified, then a vector of items of the</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * specified type is passed in, via a pointer to the first item</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * and an int32_t value for the length of the vector.</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> * Length==-1 means zero or NUL termination. Works for vectors of all types.</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> * Note: %vS is a vector of (UChar *) strings. The strings must</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * be nul terminated as there is no way to provide a</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * separate length parameter for each string. The length</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * parameter (required for all vectors) is the number of</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> * strings, not the length of the strings.</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> * Examples</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> * --------</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> * These examples show the parameters that will be passed to an application's</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * UTraceData() function for various formats.</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> * - the precise formatting is up to the application!</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> * - the examples use type casts for arguments only to _show_ the types of</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"> * arguments without needing variable declarations in the examples;</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> * the type casts will not be necessary in actual code</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> <span class="comment"> * UTraceDataFunc(context, fnNumber, level,</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> * "There is a character %c in the string %s.", // Format String </span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> * (char)c, (const char *)s); // varargs parameters</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> * -> There is a character 0x42 'B' in the string "Bravo".</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * UTraceDataFunc(context, fnNumber, level,</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> * "Vector of bytes %vb vector of chars %vc",</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> * (const uint8_t *)bytes, (int32_t)bytesLength,</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> * (const char *)chars, (int32_t)charsLength);</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> * -> Vector of bytes</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> * 42 63 64 3f [4]</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"> * vector of chars</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"> * "Bcd?"[4]</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> * UTraceDataFunc(context, fnNumber, level,</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> * "An int32_t %d and a whole bunch of them %vd",</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> * (int32_t)-5, (const int32_t *)ints, (int32_t)intsLength);</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * -> An int32_t 0xfffffffb and a whole bunch of them</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> * fffffffb 00000005 0000010a [3]</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <a class="code" href="umachine_8h.html#af3e3799716eaa41e3f49c7bf18c62b98">U_STABLE</a> int32_t U_EXPORT2</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <a class="code" href="utrace_8h.html#abcd5b54f8b10a9a319abf195711c717a">utrace_vformat</a>(<span class="keywordtype">char</span> *outBuf, int32_t capacity,</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  int32_t indent, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, va_list args);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <a class="code" href="umachine_8h.html#af3e3799716eaa41e3f49c7bf18c62b98">U_STABLE</a> int32_t U_EXPORT2</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <a class="code" href="utrace_8h.html#ab1c46bbcc3ae5dda6eeb89ba0b04eab5">utrace_format</a>(<span class="keywordtype">char</span> *outBuf, int32_t capacity,</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  int32_t indent, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...);</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment">/* Trace function numbers --------------------------------------------------- */</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <a class="code" href="umachine_8h.html#af3e3799716eaa41e3f49c7bf18c62b98">U_STABLE</a> <span class="keyword">const</span> <span class="keywordtype">char</span> * U_EXPORT2</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <a class="code" href="utrace_8h.html#a888fae89e1bae1080cca94e4284bfeea">utrace_functionName</a>(int32_t fnNumber);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <a class="code" href="umachine_8h.html#a1a820e5c6cbe8ac1742b654e6bf9ed7d">U_CDECL_END</a></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> </div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="utrace_8h_html_a87213b0396d0aa046bd9116e89152079"><div class="ttname"><a href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079">UTraceLevel</a></div><div class="ttdeci">UTraceLevel</div><div class="ttdoc">Trace severity levels. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00044">utrace.h:44</a></div></div>
<div class="ttc" id="utrace_8h_html_a6076ad13223437bd15a3266791905308a18dca4774f919146c684b8071fb976f2"><div class="ttname"><a href="utrace_8h.html#a6076ad13223437bd15a3266791905308a18dca4774f919146c684b8071fb976f2">UTRACE_UCOL_STRCOLLUTF8</a></div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00089">utrace.h:89</a></div></div>
<div class="ttc" id="utrace_8h_html_a87213b0396d0aa046bd9116e89152079af0102c5618b566755d3d0315aeb18ff4"><div class="ttname"><a href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079af0102c5618b566755d3d0315aeb18ff4">UTRACE_VERBOSE</a></div><div class="ttdoc">Trace the maximum number of ICU operations. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00056">utrace.h:56</a></div></div>
<div class="ttc" id="utrace_8h_html_a57431e5b7de5217371b6b269039d8960"><div class="ttname"><a href="utrace_8h.html#a57431e5b7de5217371b6b269039d8960">UTraceEntry</a></div><div class="ttdeci">void UTraceEntry(const void *context, int32_t fnNumber)</div><div class="ttdoc">Type signature for the trace function to be called when entering a function. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00118">utrace.h:118</a></div></div>
<div class="ttc" id="platform_8h_html_a1fae478cb5a46c7e4a0673d267626696"><div class="ttname"><a href="platform_8h.html#a1fae478cb5a46c7e4a0673d267626696">U_CALLCONV</a></div><div class="ttdeci">#define U_CALLCONV</div><div class="ttdoc">Similar to U_CDECL_BEGIN/U_CDECL_END, this qualifier is necessary in callback function typedefs to ma...</div><div class="ttdef"><b>Definition:</b> <a href="platform_8h_source.html#l00750">platform.h:750</a></div></div>
<div class="ttc" id="utrace_8h_html_ac819bbfb23657b4a4c465634a0dc0586"><div class="ttname"><a href="utrace_8h.html#ac819bbfb23657b4a4c465634a0dc0586">UTraceExit</a></div><div class="ttdeci">void UTraceExit(const void *context, int32_t fnNumber, const char *fmt, va_list args)</div><div class="ttdoc">Type signature for the trace function to be called when exiting from a function. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00134">utrace.h:134</a></div></div>
<div class="ttc" id="utrace_8h_html_afc368ae253afd3d22821a868765e54e5"><div class="ttname"><a href="utrace_8h.html#afc368ae253afd3d22821a868765e54e5">utrace_getLevel</a></div><div class="ttdeci">int32_t utrace_getLevel(void)</div><div class="ttdoc">Getter for the trace level. </div></div>
<div class="ttc" id="utrace_8h_html_a87213b0396d0aa046bd9116e89152079a8e9415b7ad8550fa3d9dcc196f88fe98"><div class="ttname"><a href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079a8e9415b7ad8550fa3d9dcc196f88fe98">UTRACE_ERROR</a></div><div class="ttdoc">Trace error conditions only. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00048">utrace.h:48</a></div></div>
<div class="ttc" id="umachine_8h_html_a82c853d86803ab75c89267be54fbac6a"><div class="ttname"><a href="umachine_8h.html#a82c853d86803ab75c89267be54fbac6a">U_CDECL_BEGIN</a></div><div class="ttdeci">#define U_CDECL_BEGIN</div><div class="ttdoc">This is used to begin a declaration of a library private ICU C API. </div><div class="ttdef"><b>Definition:</b> <a href="umachine_8h_source.html#l00082">umachine.h:82</a></div></div>
<div class="ttc" id="utrace_8h_html_a87213b0396d0aa046bd9116e89152079ae88684e6ac3d6f889b5d1603395c6bf1"><div class="ttname"><a href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079ae88684e6ac3d6f889b5d1603395c6bf1">UTRACE_INFO</a></div><div class="ttdoc">Trace an intermediate number of ICU operations. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00054">utrace.h:54</a></div></div>
<div class="ttc" id="utrace_8h_html_a22a4d10cb4754a7d3178dc55eb61842f"><div class="ttname"><a href="utrace_8h.html#a22a4d10cb4754a7d3178dc55eb61842f">UTraceData</a></div><div class="ttdeci">void UTraceData(const void *context, int32_t fnNumber, int32_t level, const char *fmt, va_list args)</div><div class="ttdoc">Type signature for the trace function to be called from within an ICU function to display data or mes...</div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00149">utrace.h:149</a></div></div>
<div class="ttc" id="utrace_8h_html_aeb56de5759104ee6379b8144afbe6d01"><div class="ttname"><a href="utrace_8h.html#aeb56de5759104ee6379b8144afbe6d01">utrace_setLevel</a></div><div class="ttdeci">void utrace_setLevel(int32_t traceLevel)</div><div class="ttdoc">Setter for the trace level. </div></div>
<div class="ttc" id="utrace_8h_html_a888fae89e1bae1080cca94e4284bfeea"><div class="ttname"><a href="utrace_8h.html#a888fae89e1bae1080cca94e4284bfeea">utrace_functionName</a></div><div class="ttdeci">const char * utrace_functionName(int32_t fnNumber)</div><div class="ttdoc">Get the name of a function from its trace function number. </div></div>
<div class="ttc" id="utrace_8h_html_a87213b0396d0aa046bd9116e89152079a4329e6d348c1ce278aa5a70d9d678416"><div class="ttname"><a href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079a4329e6d348c1ce278aa5a70d9d678416">UTRACE_WARNING</a></div><div class="ttdoc">Trace errors and warnings. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00050">utrace.h:50</a></div></div>
<div class="ttc" id="utrace_8h_html_aa87ea156afa4807f0a3db73d85c66551"><div class="ttname"><a href="utrace_8h.html#aa87ea156afa4807f0a3db73d85c66551">utrace_setFunctions</a></div><div class="ttdeci">void utrace_setFunctions(const void *context, UTraceEntry *e, UTraceExit *x, UTraceData *d)</div><div class="ttdoc">Set ICU Tracing functions. </div></div>
<div class="ttc" id="utrace_8h_html_ab1c46bbcc3ae5dda6eeb89ba0b04eab5"><div class="ttname"><a href="utrace_8h.html#ab1c46bbcc3ae5dda6eeb89ba0b04eab5">utrace_format</a></div><div class="ttdeci">int32_t utrace_format(char *outBuf, int32_t capacity, int32_t indent, const char *fmt,...)</div><div class="ttdoc">Trace output Formatter. </div></div>
<div class="ttc" id="utrace_8h_html_a6076ad13223437bd15a3266791905308"><div class="ttname"><a href="utrace_8h.html#a6076ad13223437bd15a3266791905308">UTraceFunctionNumber</a></div><div class="ttdeci">UTraceFunctionNumber</div><div class="ttdoc">These are the ICU functions that will be traced when tracing is enabled. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00063">utrace.h:63</a></div></div>
<div class="ttc" id="umachine_8h_html_a1a820e5c6cbe8ac1742b654e6bf9ed7d"><div class="ttname"><a href="umachine_8h.html#a1a820e5c6cbe8ac1742b654e6bf9ed7d">U_CDECL_END</a></div><div class="ttdeci">#define U_CDECL_END</div><div class="ttdoc">This is used to end a declaration of a library private ICU C API. </div><div class="ttdef"><b>Definition:</b> <a href="umachine_8h_source.html#l00083">umachine.h:83</a></div></div>
<div class="ttc" id="utrace_8h_html_a87213b0396d0aa046bd9116e89152079ad73020624fba9734da1067a92799a7fd"><div class="ttname"><a href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079ad73020624fba9734da1067a92799a7fd">UTRACE_OFF</a></div><div class="ttdoc">Disable all tracing. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00046">utrace.h:46</a></div></div>
<div class="ttc" id="utypes_8h_html"><div class="ttname"><a href="utypes_8h.html">utypes.h</a></div><div class="ttdoc">Basic definitions for ICU, for both C and C++ APIs. </div></div>
<div class="ttc" id="utrace_8h_html_a87213b0396d0aa046bd9116e89152079acf27fc8d57f1b0bd0a1700abcc48e9ad"><div class="ttname"><a href="utrace_8h.html#a87213b0396d0aa046bd9116e89152079acf27fc8d57f1b0bd0a1700abcc48e9ad">UTRACE_OPEN_CLOSE</a></div><div class="ttdoc">Trace opens and closes of ICU services. </div><div class="ttdef"><b>Definition:</b> <a href="utrace_8h_source.html#l00052">utrace.h:52</a></div></div>
<div class="ttc" id="utrace_8h_html_abcd5b54f8b10a9a319abf195711c717a"><div class="ttname"><a href="utrace_8h.html#abcd5b54f8b10a9a319abf195711c717a">utrace_vformat</a></div><div class="ttdeci">int32_t utrace_vformat(char *outBuf, int32_t capacity, int32_t indent, const char *fmt, va_list args)</div><div class="ttdoc">Trace output Formatter. </div></div>
<div class="ttc" id="umachine_8h_html_af3e3799716eaa41e3f49c7bf18c62b98"><div class="ttname"><a href="umachine_8h.html#af3e3799716eaa41e3f49c7bf18c62b98">U_STABLE</a></div><div class="ttdeci">#define U_STABLE</div><div class="ttdoc">This is used to declare a function as a stable public ICU C API. </div><div class="ttdef"><b>Definition:</b> <a href="umachine_8h_source.html#l00109">umachine.h:109</a></div></div>
<div class="ttc" id="utrace_8h_html_a15c3bee50058d10cdaa1ecc87cd18bae"><div class="ttname"><a href="utrace_8h.html#a15c3bee50058d10cdaa1ecc87cd18bae">utrace_getFunctions</a></div><div class="ttdeci">void utrace_getFunctions(const void **context, UTraceEntry **e, UTraceExit **x, UTraceData **d)</div><div class="ttdoc">Get the currently installed ICU tracing functions. </div></div>
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