utf7.c

gistfile1.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>

#include "iconv.h"

int main(void) {
	size_t inbytesleft, outbytesleft;
	char *inbuf, *outbuf, data[32];
	iconv_t iv;
	int rv;

	iv = iconv_open("UTF-7", "UTF-8");
	assert(iv != (iconv_t) -1);

	inbuf = "\xC3\xA7"; // "ç"
	inbytesleft = 2;

	outbuf = data;
	outbytesleft = sizeof data;

	errno = 0;
	rv = iconv(iv, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
	assert(errno == 0);
	assert(inbytesleft == 0);

	data[sizeof data - outbytesleft] = '\0';
	printf("Converted to '%s'\n", data);

	iconv_close(iv);

	return 0;
}