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'iconv'에 해당되는 글 1건

2007/06/02 [C/GNUC] iconv 사용예

[C/GNUC] iconv 사용예

Programming/C/C++ 2007/06/02 00:42

mziconv.tar.bz2

iconv 의 사용예제 소스입니다.

예전에는 libiconv.so 를 링크해야만 했던 시절이 있었으나
최근 glibc 에서는 iconv library 가 내장되어 좀 편리해졌습니다.

코드:

/*
Copyright (C) Information Equipment co.,LTD
All rights reserved.
Code by JaeHyuk Cho <mailto:minzkn@infoeq.com>
CVSTAG="$Id$"
*/

#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <string.h>

#include <iconv.h>

typedef unsigned short t_iconv_word;

t_iconv_word (do_iconv)(const char *s_charset, t_iconv_word s_wchar)
{
iconv_t s_iconv;
t_iconv_word s_buffer[ 16 ], s_code = (t_iconv_word)0x0020;
s_iconv = iconv_open("UTF-16", s_charset);
if(s_iconv != ((iconv_t)(-1)))
{
char *s_in, *s_out;
size_t s_in_size, s_out_size, s_result_size;
s_in = (char *)(&s_wchar);
s_in_size = sizeof(s_wchar);
s_out = (char *)(&s_buffer[0]);
s_out_size = sizeof(s_buffer);
s_result_size = iconv(s_iconv, (char **)(&s_in), (size_t *)(&s_in_size), (char **)(&s_out), (size_t *)(&s_out_size));
if(s_result_size != ((size_t)(-1)))s_code = s_buffer[1];
(void)iconv_close(s_iconv);
}
else (void)fprintf(stderr, "can not open iconv\n");
return(s_code);
}

int (do_make_header)(const char *s_file_name, const char *s_symbol, t_iconv_word *s_map, size_t s_map_size)
{
FILE *s_file;
size_t s_offset, s_index;
s_file = fopen(s_file_name, "wb");
if(s_file != ((FILE *)0))
{
(void)fprintf(s_file, "const unsigned short %s[] = {\n", s_symbol);
s_offset = (size_t)0;
do
{
s_index = s_offset / sizeof(t_iconv_word);
if((s_index % 16) == ((size_t)0))
{
if(s_index != ((size_t)0))(void)fprintf(s_file, "\n");
(void)fprintf(s_file, " ");
}
(void)fprintf(s_file, "0x%04x", (unsigned int)s_map[s_index]);
s_offset += sizeof(t_iconv_word);
if(s_offset < s_map_size)(void)fprintf(s_file, ", ");
else break;
}while(1);
(void)fprintf(s_file, "\n};\n");
(void)fclose(s_file);
}
else (void)fprintf(stderr, "can not write \"%s\"\n", s_file_name);
return(0);
}

int (main)(int s_argc, char **s_argv)
{
t_iconv_word *s_map[3], s_wchar;
size_t s_map_size, s_offset, s_index;
s_map_size = sizeof(t_iconv_word) * (0x10000 >> 1);
s_map[0] = (t_iconv_word *)malloc(s_map_size);
s_map[1] = (t_iconv_word *)malloc(s_map_size);
s_map[2] = (t_iconv_word *)malloc(s_map_size);
if((s_map[0] != ((t_iconv_word *)0)) && (s_map[1] != ((t_iconv_word *)0)) && (s_map[2] != ((t_iconv_word *)0)))
{
s_offset = (size_t)0;
s_wchar = (t_iconv_word)0x8000;
while(s_offset < s_map_size)
{
s_index = s_offset / sizeof(t_iconv_word);
s_map[0][s_index] = do_iconv("EUCKR", s_wchar);
s_map[1][s_index] = do_iconv("EUCJP", s_wchar);
s_map[2][s_index] = do_iconv("CP949", s_wchar);
(void)fprintf(stdout,
"conv 0x%04x -> euckr=0x%04x, eucjp=0x%04x, cp949=0x%04x\n",
(unsigned int)s_wchar,
(unsigned int)s_map[0][s_index], (unsigned int)s_map[1][s_index], (unsigned int)s_map[2][s_index]);
s_wchar++;
s_offset += sizeof(t_iconv_word);
}
(void)do_make_header("euckr_map.h", "c_mzapi_euckr_map", (t_iconv_word *)(&s_map[0][0]), s_map_size);
(void)do_make_header("eucjp_map.h", "c_mzapi_eucjp_map", (t_iconv_word *)(&s_map[1][0]), s_map_size);
(void)do_make_header("cp949_map.h", "c_mzapi_cp949_map", (t_iconv_word *)(&s_map[2][0]), s_map_size);
free((void *)s_map[0]);
free((void *)s_map[1]);
free((void *)s_map[2]);
}
else (void)fprintf(stderr, "can not allocate memory\n");
return(0);
}

/* vim: set expandtab: */
/* End of source */

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