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/* -*- mode: c -*-
*
* $Id: iconv_hook_default.c,v 1.3 2002/06/08 09:19:01 tai Exp $
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "iconv_hook.h"
/**
* Default plug-in for mod_encoding.
* This also exists to show how custom converter can be plugged in.
*
* All plug-ins must have at least 5 elements to work:
* 3 iconv_*(3) compatible functions, 1 struct to bundle previous
* 3 functions, and 1 initializer to return handle to the structure.
*
* As this plug-in is only a wrapper to real iconv_*(3), there
* is almost no complexity. This should be a good starting point
* if you are trying to write your own custom converter plug-in.
*
* @author Taisuke Yamada <tai@iij.ad.jp>
* @version $Revision: 1.3 $
*/
/**
* iconv_open(3) compatible function
*/
static iconv_t
local_iconv_open(const char *ienc, const char *oenc) {
#ifdef WITH_ICONV
return iconv_open(ienc, oenc);
#else
return (iconv_t)-1;
#endif
}
/**
* iconv_close(3) compatible function
*/
static int
local_iconv_close(iconv_t cd) {
#ifdef WITH_ICONV
return iconv_close(cd);
#else
return 0;
#endif
}
/**
* iconv(3) compatible function
*/
static size_t
local_iconv(iconv_t cd,
char **srcbuf, size_t *srclen, char **outbuf, size_t *outlen) {
#ifdef WITH_ICONV
#if __GLIBC__ == 2 && __GLIBC_MINOR__ == 1
/* iconv in glibc-2.1 is known to break with NULL paramater */
if (! (srcbuf && srclen && outbuf && outlen))
return 0;
#endif
return iconv(cd, srcbuf, srclen, outbuf, outlen);
#else
return 0;
#endif
}
/**
* plug-in strcture - see iconv_hook.h
*/
static iconv_hook_module iconv_hook_default = {
local_iconv,
local_iconv_open,
local_iconv_close,
};
/**
* initializer
*/
iconv_hook_module *
iconv_hook_default_init(void) {
return &iconv_hook_default;
}
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