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#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include "config.h"
#ifdef HAVE_LOCALE_H
#ifdef HAVE_LANGINFO_H
#ifdef HAVE_ICONV
#include <locale.h>
#include <langinfo.h>
#include <iconv.h>
#define ENABLE_CHARACTER_SET_CONVERSION
#endif
#endif
#endif
#include "support.h"
#define BUFSIZE 1024
#ifdef ENABLE_CHARACTER_SET_CONVERSION
static char *locale = NULL;
static char *charset = NULL;
iconv_t iconv_from_uft8 = (iconv_t)(-1);
iconv_t iconv_to_uft8 = (iconv_t)(-1);
#endif
#ifndef HAVE_LIBGEN_H
char *
remove_trailing_slash(char *path)
{
int len;
if( path==NULL )
return NULL;
len=strlen(path);
if( len>1 && path[len-1] == '/' )
path[len-1] = '\0';
return path;
}
char *
basename(char *path)
{
char *end;
path = remove_trailing_slash(path);
end = path + strlen(path);
while( end>path && *end!='/' )
end--;
if( *end=='/' && end!=path )
return end+1;
return path;
}
#endif /* HAVE_LIBGEN_H */
int
charset_init(void)
{
#ifdef ENABLE_CHARACTER_SET_CONVERSION
/* get current locale */
if( (locale=setlocale(LC_CTYPE,"")) == NULL )
{
fprintf(stderr,"setlocale() - failed!\n");
return -1;
}
/* get charset */
if( (charset=nl_langinfo(CODESET)) == NULL )
{
fprintf(stderr,"nl_langinfo() - failed!\n");
return -1;
}
/* allocate descriptor for character set conversion */
iconv_from_uft8 = iconv_open(charset, "UTF-8");
if( iconv_from_uft8 == (iconv_t)(-1) )
{
perror("iconv_open");
return -1;
}
#endif
return 0;
}
int
charset_close(void)
{
#ifdef ENABLE_CHARACTER_SET_CONVERSION
if( iconv_from_uft8 == (iconv_t)(-1) )
{
iconv_close(iconv_from_uft8);
iconv_from_uft8 = (iconv_t)(-1);
}
if( iconv_to_uft8 == (iconv_t)(-1) )
{
iconv_close(iconv_to_uft8);
iconv_to_uft8 = (iconv_t)(-1);
}
#endif
return 0;
}
char *
utf8_to_locale(char *str)
{
#ifdef ENABLE_CHARACTER_SET_CONVERSION
size_t inleft;
size_t retlen;
char *ret;
if( iconv_from_uft8 == (iconv_t)(-1) )
return strdup(str);
ret = NULL;
retlen = 0;
inleft = strlen(str);
while( inleft>0 )
{
char buf[BUFSIZE];
size_t outleft = BUFSIZE;
char *bufp = buf;
if( iconv(iconv_from_uft8, &str, &inleft, &bufp, &outleft) <0 )
{
perror("iconv");
free(ret);
return NULL;
}
ret = realloc(ret, BUFSIZE-outleft+1);
memcpy(ret+retlen, buf, BUFSIZE-outleft);
retlen += BUFSIZE-outleft;
ret[retlen] = '\0';
}
return ret;
#else
return strdup(str);
#endif
}
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