iconv_t
iconv_open(const char *out, const char *in)
{
int ret;
struct _citrus_iconv *handle;
ret = _citrus_iconv_open(&handle, _PATH_ICONV, in, out);
if (ret) {
errno = ret == ENOENT? EINVAL : ret;
return ((iconv_t)-1);
}
return ((iconv_t)(void *)handle);
}
iconv_t
_iconv_open(const char *out, const char *in, struct _citrus_iconv *handle)
{
const char *out_slashes;
char *out_noslashes;
int ret;
/*
* Remove anything following a //, as these are options (like
* //ignore, //translate, etc) and we just don't handle them.
* This is for compatibility with software that uses these
* blindly.
*/
out_slashes = strstr(out, "//");
if (out_slashes != NULL) {
out_noslashes = strndup(out, out_slashes - out);
if (out_noslashes == NULL) {
errno = ENOMEM;
return ((iconv_t)-1);
}
ret = _citrus_iconv_open(&handle, in, out_noslashes);
free(out_noslashes);
} else {
ret = _citrus_iconv_open(&handle, in, out);
}
if (ret) {
errno = ret == ENOENT ? EINVAL : ret;
return ((iconv_t)-1);
}
handle->cv_shared->ci_discard_ilseq = strcasestr(out, "//IGNORE");
handle->cv_shared->ci_ilseq_invalid = false;
handle->cv_shared->ci_hooks = NULL;
return ((iconv_t)(void *)handle);
}
