測試 charset-detector：自動偵測文件編碼的小程式

adm

Subject:

[quote=qrtt1]
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<a href=" http://blog.linux.org.tw/~jserv/archives/001672.html" target="_blank">&nbsp;http://blog.linux.org.tw/~jserv/archives/001672.html</a>


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#include&lt;stdio.h&gt; 
#include&lt;stdlib.h&gt; 
#include&lt;dlfcn.h&gt; 
#include&lt;string.h&gt; 
#include&quot;chardetect.h&quot; 
 
void checkFunc(){ 
&nbsp;&nbsp; char* error; 
&nbsp;&nbsp; if((error = dlerror())!= NULL){ 
&nbsp;&nbsp;&nbsp; &nbsp; fputs(error, stderr); 
&nbsp;&nbsp;&nbsp; &nbsp; exit(1); 
&nbsp;&nbsp; } 
} 
 
int main(void) { 
&nbsp;&nbsp;&nbsp; void *handle; 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; int (*chardet_create)(chardet_t* pdet); 
&nbsp;&nbsp;&nbsp; void (*chardet_destroy)(chardet_t det); 
&nbsp;&nbsp;&nbsp; int (*chardet_reset)(chardet_t det); 
&nbsp;&nbsp;&nbsp; int (*chardet_get_charset)(chardet_t det, char* namebuf, unsigned int buflen); 
&nbsp;&nbsp;&nbsp; int (*chardet_handle_data)(chardet_t det, const char* data, unsigned int len); 
&nbsp;&nbsp;&nbsp; int (*chardet_data_end)(chardet_t det); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; handle = dlopen(&quot;/home/qrtt1/test/char/chardetect.so&quot;, RTLD_LAZY); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; chardet_reset = (int(*)(chardet_t)) dlsym(handle, &quot;chardet_reset&quot;); 
&nbsp;&nbsp;&nbsp; checkFunc(); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; chardet_create = (int(*)(chardet_t*)) dlsym(handle, &quot;chardet_create&quot;); 
&nbsp;&nbsp;&nbsp; checkFunc(); 
 
&nbsp;&nbsp;&nbsp; chardet_destroy = (int(*)(chardet_t)) dlsym(handle, &quot;chardet_destroy&quot;); 
&nbsp;&nbsp;&nbsp; checkFunc(); 
 
&nbsp;&nbsp;&nbsp; chardet_get_charset = (int(*)(chardet_t, char* namebuf, unsigned int buflen)) dlsym(handle, &quot;chardet_get_charset&quot;); 
&nbsp;&nbsp;&nbsp; checkFunc(); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; chardet_handle_data = (int(*)(chardet_t, const char* data, unsigned int len)) dlsym(handle, &quot;chardet_handle_data&quot;); 
&nbsp;&nbsp;&nbsp; checkFunc();&nbsp;&nbsp;&nbsp; 
 
&nbsp;&nbsp;&nbsp; chardet_data_end = (int(*)(chardet_t)) dlsym(handle, &quot;chardet_data_end&quot;); 
&nbsp;&nbsp;&nbsp; checkFunc(); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; /* 
&nbsp;&nbsp;&nbsp; &nbsp;* 
&nbsp;&nbsp;&nbsp; &nbsp;* */ 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; chardet_t chardetor; 
&nbsp;&nbsp;&nbsp; int ret = (*chardet_create)(&amp;chardetor); 
&nbsp;&nbsp;&nbsp; (*chardet_reset)(chardetor); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; const char* message = &quot;傳說中的中文&quot;; 
&nbsp;&nbsp;&nbsp; (*chardet_handle_data)(chardetor, message, strlen(message)); 
&nbsp;&nbsp;&nbsp; (*chardet_data_end)(chardetor); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; char buffer[128]; 
&nbsp;&nbsp;&nbsp; (*chardet_get_charset)(chardetor, buffer, 128); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; (*chardet_destroy)(chardetor); 
&nbsp;&nbsp;&nbsp; printf(&quot;%s\n&quot;, buffer); 
 
&nbsp;&nbsp;&nbsp; dlclose(handle); 
} 

[/quote]

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