1<?xml version="1.0" encoding="UTF-8"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><link rel="SHORTCUT ICON" href="/favicon.ico" /><style type="text/css"> 4TD {font-family: Verdana,Arial,Helvetica} 5BODY {font-family: Verdana,Arial,Helvetica; margin-top: 2em; margin-left: 0em; margin-right: 0em} 6H1 {font-family: Verdana,Arial,Helvetica} 7H2 {font-family: Verdana,Arial,Helvetica} 8H3 {font-family: Verdana,Arial,Helvetica} 9A:link, A:visited, A:active { text-decoration: underline } 10</style><style type="text/css"> 11 div.deprecated pre.programlisting {border-style: double;border-color:red} 12 pre.programlisting {border-style: double;background: #EECFA1} 13 </style><title>Module xmlstring from libxml2</title></head><body bgcolor="#8b7765" text="#000000" link="#a06060" vlink="#000000"><table 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border="0" alt="Home" /></a></td><th align="center"><a href="../index.html">The XML C parser and toolkit of Gnome</a></th><th align="right"><a href="libxml-xmlunicode.html">xmlunicode</a></th><td><a accesskey="n" href="libxml-xmlunicode.html"><img src="right.png" width="24" height="24" border="0" alt="Next" /></a></td></tr></table><p>type and interfaces needed for the internal string handling of the library, especially UTF8 processing. </p><h2>Table of Contents</h2><pre class="programlisting">#define <a href="#BAD_CAST">BAD_CAST</a></pre><pre class="programlisting">Typedef unsigned char <a name="xmlChar" id="xmlChar">xmlChar</a> 14</pre><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlCharStrdup">xmlCharStrdup</a> (const char * cur)</pre> 15<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlCharStrndup">xmlCharStrndup</a> (const char * cur, <br /> int len)</pre> 16<pre class="programlisting">int <a href="#xmlCheckUTF8">xmlCheckUTF8</a> (const unsigned char * utf)</pre> 17<pre class="programlisting">int <a href="#xmlGetUTF8Char">xmlGetUTF8Char</a> (const unsigned char * utf, <br /> int * len)</pre> 18<pre class="programlisting">int <a href="#xmlStrEqual">xmlStrEqual</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2)</pre> 19<pre class="programlisting">int <a href="#xmlStrPrintf">xmlStrPrintf</a> (<a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * buf, <br /> int len, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * msg, <br /> ... ...)</pre> 20<pre class="programlisting">int <a href="#xmlStrQEqual">xmlStrQEqual</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * pref, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * name, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str)</pre> 21<pre class="programlisting">int <a href="#xmlStrVPrintf">xmlStrVPrintf</a> (<a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * buf, <br /> int len, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * msg, <br /> va_list ap)</pre> 22<pre class="programlisting">int <a href="#xmlStrcasecmp">xmlStrcasecmp</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2)</pre> 23<pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrcasestr">xmlStrcasestr</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * val)</pre> 24<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrcat">xmlStrcat</a> (<a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * cur, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * add)</pre> 25<pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrchr">xmlStrchr</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br /> <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> val)</pre> 26<pre class="programlisting">int <a href="#xmlStrcmp">xmlStrcmp</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2)</pre> 27<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrdup">xmlStrdup</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * cur)</pre> 28<pre class="programlisting">int <a href="#xmlStrlen">xmlStrlen</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str)</pre> 29<pre class="programlisting">int <a href="#xmlStrncasecmp">xmlStrncasecmp</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2, <br /> int len)</pre> 30<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrncat">xmlStrncat</a> (<a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * cur, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * add, <br /> int len)</pre> 31<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrncatNew">xmlStrncatNew</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2, <br /> int len)</pre> 32<pre class="programlisting">int <a href="#xmlStrncmp">xmlStrncmp</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2, <br /> int len)</pre> 33<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrndup">xmlStrndup</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * cur, <br /> int len)</pre> 34<pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrstr">xmlStrstr</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * val)</pre> 35<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlStrsub">xmlStrsub</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br /> int start, <br /> int len)</pre> 36<pre class="programlisting">int <a href="#xmlUTF8Charcmp">xmlUTF8Charcmp</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf2)</pre> 37<pre class="programlisting">int <a href="#xmlUTF8Size">xmlUTF8Size</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf)</pre> 38<pre class="programlisting">int <a href="#xmlUTF8Strlen">xmlUTF8Strlen</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf)</pre> 39<pre class="programlisting">int <a href="#xmlUTF8Strloc">xmlUTF8Strloc</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utfchar)</pre> 40<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlUTF8Strndup">xmlUTF8Strndup</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> int len)</pre> 41<pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlUTF8Strpos">xmlUTF8Strpos</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> int pos)</pre> 42<pre class="programlisting">int <a href="#xmlUTF8Strsize">xmlUTF8Strsize</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> int len)</pre> 43<pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlUTF8Strsub">xmlUTF8Strsub</a> (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> int start, <br /> int len)</pre> 44<h2>Description</h2> 45<h3><a name="BAD_CAST" id="BAD_CAST"></a>Macro: BAD_CAST</h3><pre>#define BAD_CAST</pre><p>Macro to cast a string to an <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * when one know its safe.</p> 46 47 This is a basic byte in an UTF-8 encoded string. It's unsigned allowing to pinpoint case where char * are assigned to xmlChar * (possibly making serialization back impossible). 48 <h3><a name="xmlCharStrdup" id="xmlCharStrdup"></a>Function: xmlCharStrdup</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlCharStrdup (const char * cur)<br /> 49</pre><p>a strdup for char's to xmlChar's</p> 50<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the input char *</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * or NULL</td></tr></tbody></table></div><h3><a name="xmlCharStrndup" id="xmlCharStrndup"></a>Function: xmlCharStrndup</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlCharStrndup (const char * cur, <br /> int len)<br /> 51</pre><p>a strndup for char's to xmlChar's</p> 52<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the input char *</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the len of @cur</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * or NULL</td></tr></tbody></table></div><h3><a name="xmlCheckUTF8" id="xmlCheckUTF8"></a>Function: xmlCheckUTF8</h3><pre class="programlisting">int xmlCheckUTF8 (const unsigned char * utf)<br /> 53</pre><p>Checks @utf for being valid UTF-8. @utf is assumed to be null-terminated. This function is not super-strict, as it will allow longer UTF-8 sequences than necessary. Note that Java is capable of producing these sequences if provoked. Also note, this routine checks for the 4-byte maximum size, but does not check for 0x10ffff maximum value.</p> 54<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>Pointer to putative UTF-8 encoded string.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>value: true if @utf is valid.</td></tr></tbody></table></div><h3><a name="xmlGetUTF8Char" id="xmlGetUTF8Char"></a>Function: xmlGetUTF8Char</h3><pre class="programlisting">int xmlGetUTF8Char (const unsigned char * utf, <br /> int * len)<br /> 55</pre><p>Read the first UTF8 character from @utf</p> 56<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>a sequence of UTF-8 encoded bytes</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>a pointer to the minimum number of bytes present in the sequence. This is used to assure the next character is completely contained within the sequence.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the char value or -1 in case of error, and sets *len to the actual number of bytes consumed (0 in case of error)</td></tr></tbody></table></div><h3><a name="xmlStrEqual" id="xmlStrEqual"></a>Function: xmlStrEqual</h3><pre class="programlisting">int xmlStrEqual (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2)<br /> 57</pre><p>Check if both strings are equal of have same content. Should be a bit more readable and faster than xmlStrcmp()</p> 58<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str1</tt></i>:</span></td><td>the first <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>str2</tt></i>:</span></td><td>the second <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if they are equal, 0 if they are different</td></tr></tbody></table></div><h3><a name="xmlStrPrintf" id="xmlStrPrintf"></a>Function: xmlStrPrintf</h3><pre class="programlisting">int xmlStrPrintf (<a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * buf, <br /> int len, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * msg, <br /> ... ...)<br /> 59</pre><p>Formats @msg and places result into @buf.</p> 60<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>buf</tt></i>:</span></td><td>the result buffer.</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the result buffer length.</td></tr><tr><td><span class="term"><i><tt>msg</tt></i>:</span></td><td>the message with printf formatting.</td></tr><tr><td><span class="term"><i><tt>...</tt></i>:</span></td><td>extra parameters for the message.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of <a href="libxml-SAX.html#characters">characters</a> written to @buf or -1 if an error occurs.</td></tr></tbody></table></div><h3><a name="xmlStrQEqual" id="xmlStrQEqual"></a>Function: xmlStrQEqual</h3><pre class="programlisting">int xmlStrQEqual (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * pref, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * name, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str)<br /> 61</pre><p>Check if a QName is Equal to a given string</p> 62<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>pref</tt></i>:</span></td><td>the prefix of the QName</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the localname of the QName</td></tr><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the second <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if they are equal, 0 if they are different</td></tr></tbody></table></div><h3><a name="xmlStrVPrintf" id="xmlStrVPrintf"></a>Function: xmlStrVPrintf</h3><pre class="programlisting">int xmlStrVPrintf (<a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * buf, <br /> int len, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * msg, <br /> va_list ap)<br /> 63</pre><p>Formats @msg and places result into @buf.</p> 64<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>buf</tt></i>:</span></td><td>the result buffer.</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the result buffer length.</td></tr><tr><td><span class="term"><i><tt>msg</tt></i>:</span></td><td>the message with printf formatting.</td></tr><tr><td><span class="term"><i><tt>ap</tt></i>:</span></td><td>extra parameters for the message.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of <a href="libxml-SAX.html#characters">characters</a> written to @buf or -1 if an error occurs.</td></tr></tbody></table></div><h3><a name="xmlStrcasecmp" id="xmlStrcasecmp"></a>Function: xmlStrcasecmp</h3><pre class="programlisting">int xmlStrcasecmp (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2)<br /> 65</pre><p>a strcasecmp for xmlChar's</p> 66<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str1</tt></i>:</span></td><td>the first <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>str2</tt></i>:</span></td><td>the second <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the integer result of the comparison</td></tr></tbody></table></div><h3><a name="xmlStrcasestr" id="xmlStrcasestr"></a>Function: xmlStrcasestr</h3><pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrcasestr (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * val)<br /> 67</pre><p>a case-ignoring strstr for xmlChar's</p> 68<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array (haystack)</td></tr><tr><td><span class="term"><i><tt>val</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> to search (needle)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * for the first occurrence or NULL.</td></tr></tbody></table></div><h3><a name="xmlStrcat" id="xmlStrcat"></a>Function: xmlStrcat</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrcat (<a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * cur, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * add)<br /> 69</pre><p>a strcat for array of xmlChar's. Since they are supposed to be encoded in UTF-8 or an encoding with 8bit based chars, we assume a termination mark of '0'.</p> 70<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the original <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array</td></tr><tr><td><span class="term"><i><tt>add</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array added</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * containing the concatenated string.</td></tr></tbody></table></div><h3><a name="xmlStrchr" id="xmlStrchr"></a>Function: xmlStrchr</h3><pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrchr (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br /> <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> val)<br /> 71</pre><p>a strchr for xmlChar's</p> 72<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array</td></tr><tr><td><span class="term"><i><tt>val</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> to search</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * for the first occurrence or NULL.</td></tr></tbody></table></div><h3><a name="xmlStrcmp" id="xmlStrcmp"></a>Function: xmlStrcmp</h3><pre class="programlisting">int xmlStrcmp (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2)<br /> 73</pre><p>a strcmp for xmlChar's</p> 74<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str1</tt></i>:</span></td><td>the first <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>str2</tt></i>:</span></td><td>the second <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the integer result of the comparison</td></tr></tbody></table></div><h3><a name="xmlStrdup" id="xmlStrdup"></a>Function: xmlStrdup</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrdup (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * cur)<br /> 75</pre><p>a strdup for array of xmlChar's. Since they are supposed to be encoded in UTF-8 or an encoding with 8bit based chars, we assume a termination mark of '0'.</p> 76<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the input <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * or NULL</td></tr></tbody></table></div><h3><a name="xmlStrlen" id="xmlStrlen"></a>Function: xmlStrlen</h3><pre class="programlisting">int xmlStrlen (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str)<br /> 77</pre><p>length of a xmlChar's string</p> 78<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> contained in the ARRAY.</td></tr></tbody></table></div><h3><a name="xmlStrncasecmp" id="xmlStrncasecmp"></a>Function: xmlStrncasecmp</h3><pre class="programlisting">int xmlStrncasecmp (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2, <br /> int len)<br /> 79</pre><p>a strncasecmp for xmlChar's</p> 80<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str1</tt></i>:</span></td><td>the first <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>str2</tt></i>:</span></td><td>the second <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the max comparison length</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the integer result of the comparison</td></tr></tbody></table></div><h3><a name="xmlStrncat" id="xmlStrncat"></a>Function: xmlStrncat</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrncat (<a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * cur, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * add, <br /> int len)<br /> 81</pre><p>a strncat for array of xmlChar's, it will extend @cur with the len first bytes of @add. Note that if @len < 0 then this is an API error and NULL will be returned.</p> 82<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the original <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array</td></tr><tr><td><span class="term"><i><tt>add</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array added</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the length of @add</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *, the original @cur is reallocated if needed and should not be freed</td></tr></tbody></table></div><h3><a name="xmlStrncatNew" id="xmlStrncatNew"></a>Function: xmlStrncatNew</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrncatNew (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2, <br /> int len)<br /> 83</pre><p>same as xmlStrncat, but creates a new string. The original two strings are not freed. If @len is < 0 then the length will be calculated automatically.</p> 84<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str1</tt></i>:</span></td><td>first <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> string</td></tr><tr><td><span class="term"><i><tt>str2</tt></i>:</span></td><td>second <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> string</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the len of @str2 or < 0</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * or NULL</td></tr></tbody></table></div><h3><a name="xmlStrncmp" id="xmlStrncmp"></a>Function: xmlStrncmp</h3><pre class="programlisting">int xmlStrncmp (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str2, <br /> int len)<br /> 85</pre><p>a strncmp for xmlChar's</p> 86<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str1</tt></i>:</span></td><td>the first <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>str2</tt></i>:</span></td><td>the second <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the max comparison length</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the integer result of the comparison</td></tr></tbody></table></div><h3><a name="xmlStrndup" id="xmlStrndup"></a>Function: xmlStrndup</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrndup (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * cur, <br /> int len)<br /> 87</pre><p>a strndup for array of xmlChar's</p> 88<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>cur</tt></i>:</span></td><td>the input <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> *</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the len of @cur</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * or NULL</td></tr></tbody></table></div><h3><a name="xmlStrstr" id="xmlStrstr"></a>Function: xmlStrstr</h3><pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrstr (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * val)<br /> 89</pre><p>a strstr for xmlChar's</p> 90<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array (haystack)</td></tr><tr><td><span class="term"><i><tt>val</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> to search (needle)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * for the first occurrence or NULL.</td></tr></tbody></table></div><h3><a name="xmlStrsub" id="xmlStrsub"></a>Function: xmlStrsub</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlStrsub (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br /> int start, <br /> int len)<br /> 91</pre><p>Extract a substring of a given string</p> 92<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * array (haystack)</td></tr><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>the index of the first char (zero based)</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the length of the substring</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * for the first occurrence or NULL.</td></tr></tbody></table></div><h3><a name="xmlUTF8Charcmp" id="xmlUTF8Charcmp"></a>Function: xmlUTF8Charcmp</h3><pre class="programlisting">int xmlUTF8Charcmp (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf1, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf2)<br /> 93</pre><p>compares the two UCS4 values</p> 94<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf1</tt></i>:</span></td><td>pointer to first UTF8 char</td></tr><tr><td><span class="term"><i><tt>utf2</tt></i>:</span></td><td>pointer to second UTF8 char</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>result of the compare as with <a href="libxml-xmlstring.html#xmlStrncmp">xmlStrncmp</a></td></tr></tbody></table></div><h3><a name="xmlUTF8Size" id="xmlUTF8Size"></a>Function: xmlUTF8Size</h3><pre class="programlisting">int xmlUTF8Size (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf)<br /> 95</pre><p>calculates the internal size of a UTF8 character</p> 96<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>pointer to the UTF8 character</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the numbers of bytes in the character, -1 on format error</td></tr></tbody></table></div><h3><a name="xmlUTF8Strlen" id="xmlUTF8Strlen"></a>Function: xmlUTF8Strlen</h3><pre class="programlisting">int xmlUTF8Strlen (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf)<br /> 97</pre><p>compute the length of an UTF8 string, it doesn't do a full UTF8 checking of the content of the string.</p> 98<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>a sequence of UTF-8 encoded bytes</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of <a href="libxml-SAX.html#characters">characters</a> in the string or -1 in case of error</td></tr></tbody></table></div><h3><a name="xmlUTF8Strloc" id="xmlUTF8Strloc"></a>Function: xmlUTF8Strloc</h3><pre class="programlisting">int xmlUTF8Strloc (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utfchar)<br /> 99</pre><p>a function to provide the relative location of a UTF8 char</p> 100<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>the input UTF8 *</td></tr><tr><td><span class="term"><i><tt>utfchar</tt></i>:</span></td><td>the UTF8 character to be found</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the relative character position of the desired char or -1 if not found</td></tr></tbody></table></div><h3><a name="xmlUTF8Strndup" id="xmlUTF8Strndup"></a>Function: xmlUTF8Strndup</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlUTF8Strndup (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> int len)<br /> 101</pre><p>a strndup for array of UTF8's</p> 102<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>the input UTF8 *</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the len of @utf (in chars)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new UTF8 * or NULL</td></tr></tbody></table></div><h3><a name="xmlUTF8Strpos" id="xmlUTF8Strpos"></a>Function: xmlUTF8Strpos</h3><pre class="programlisting">const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlUTF8Strpos (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> int pos)<br /> 103</pre><p>a function to provide the equivalent of fetching a character from a string array</p> 104<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>the input UTF8 *</td></tr><tr><td><span class="term"><i><tt>pos</tt></i>:</span></td><td>the position of the desired UTF8 char (in chars)</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the UTF8 character or NULL</td></tr></tbody></table></div><h3><a name="xmlUTF8Strsize" id="xmlUTF8Strsize"></a>Function: xmlUTF8Strsize</h3><pre class="programlisting">int xmlUTF8Strsize (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> int len)<br /> 105</pre><p>storage size of an UTF8 string the behaviour is not garanteed if the input string is not UTF-8</p> 106<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>a sequence of UTF-8 encoded bytes</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the number of <a href="libxml-SAX.html#characters">characters</a> in the array</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the storage size of the first 'len' <a href="libxml-SAX.html#characters">characters</a> of ARRAY</td></tr></tbody></table></div><h3><a name="xmlUTF8Strsub" id="xmlUTF8Strsub"></a>Function: xmlUTF8Strsub</h3><pre class="programlisting"><a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * xmlUTF8Strsub (const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * utf, <br /> int start, <br /> int len)<br /> 107</pre><p>Create a substring from a given UTF-8 string Note: positions are given in units of UTF-8 chars</p> 108<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>utf</tt></i>:</span></td><td>a sequence of UTF-8 encoded bytes</td></tr><tr><td><span class="term"><i><tt>start</tt></i>:</span></td><td>relative pos of first char</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>total number to copy</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to a newly created string or NULL if any problem</td></tr></tbody></table></div><p><a href="../bugs.html">Daniel Veillard</a></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body></html> 109
