C++ (Cpp) idn__strhash_get Examples

Example #1

File: normalizer.c Project: DHTNS/bind9-9.7.0-P1.dfsg

idn_result_t
idn_normalizer_add(idn_normalizer_t ctx, const char *scheme_name) {
	idn_result_t r;
	void *v;
	normalize_scheme_t *scheme;

	assert(ctx != NULL && scheme_name != NULL);

	TRACE(("idn_normalizer_add(scheme_name=%s)\n", scheme_name));

	assert(INITIALIZED);

	if (idn__strhash_get(scheme_hash, scheme_name, &v) != idn_success) {
		ERROR(("idn_normalizer_add(): invalid scheme \"%-.30s\"\n",
		       scheme_name));
		r = idn_invalid_name;
		goto ret;
	}

	scheme = v;

	assert(ctx->nschemes <= ctx->scheme_size);

	if (ctx->nschemes == ctx->scheme_size &&
	    (r = expand_schemes(ctx)) != idn_success) {
		goto ret;
	}

	ctx->schemes[ctx->nschemes++] = scheme;
	r = idn_success;
ret:
	TRACE(("idn_normalizer_add(): %s\n", idn_result_tostring(r)));
	return (r);
}

Example #2

idn_result_t
idn_checker_add(idn_checker_t ctx, const char *scheme_name) {
	idn_result_t r;
	check_scheme_t *scheme;
	const char *scheme_prefix;
	const char *scheme_parameter;
	void *scheme_context = NULL;
	char *buffer = NULL;

	assert(scheme_hash != NULL);
	assert(ctx != NULL);

	TRACE(("idn_checker_add(scheme_name=%s)\n",
		idn__debug_xstring(scheme_name, 50)));

	/*
	 * Split `scheme_name' into `scheme_prefix' and `scheme_parameter'.
	 */
	scheme_parameter = strchr(scheme_name, ':');
	if (scheme_parameter == NULL) {
		scheme_prefix = scheme_name;
		scheme_parameter = NULL;
	} else {
		ptrdiff_t scheme_prefixlen;

		scheme_prefixlen = scheme_parameter - scheme_name;
		buffer = (char *) malloc(scheme_prefixlen + 1);
		if (buffer == NULL) {
			r = idn_nomemory;
			goto ret;
		}
		memcpy(buffer, scheme_name, scheme_prefixlen);
		*(buffer + scheme_prefixlen) = '\0';
		scheme_prefix = buffer;
		scheme_parameter++;
	}

	/*
	 * Find a scheme.
	 */
	if (idn__strhash_get(scheme_hash, scheme_prefix, (void **)&scheme)
		!= idn_success) {
		ERROR(("idn_checker_add(): invalid scheme \"%-.30s\"\n",
		       scheme_name));
		r = idn_invalid_name;
		goto ret;
	}
	if (scheme_parameter == NULL && scheme->parameter != NULL)
		scheme_parameter = scheme->parameter;

	/*
	 * Add the scheme.
	 */
	assert(ctx->nschemes <= ctx->scheme_size);

	if (ctx->nschemes == ctx->scheme_size) {
		check_scheme_t *new_schemes;

		new_schemes = (check_scheme_t *) realloc(ctx->schemes,
			sizeof(check_scheme_t) * ctx->scheme_size * 2);
		if (new_schemes == NULL) {
			r = idn_nomemory;
			goto ret;
		}
		ctx->schemes = new_schemes;
		ctx->scheme_size *= 2;
	}

	r = scheme->create(scheme_parameter, &scheme_context);
	if (r != idn_success)
		goto ret;

	memcpy(ctx->schemes + ctx->nschemes, scheme, sizeof(check_scheme_t));
	ctx->schemes[ctx->nschemes].context = scheme_context;
	ctx->nschemes++;
	r = idn_success;

ret:
	free(buffer);
	if (r != idn_success)
		free(scheme_context);
	TRACE(("idn_checker_add(): %s\n", idn_result_tostring(r)));
	return (r);
}

Example #3

File: converter.c Project: enukane/netbsd-src

idn_result_t
idn_converter_create(const char *name, idn_converter_t *ctxp, int flags) {
	const char *realname;
	idn_converter_t ctx;
	idn_result_t r;
	void *v;

	assert(name != NULL && ctxp != NULL);

	TRACE(("idn_converter_create(%s)\n", name));

	realname = idn_converter_getrealname(name);
#ifdef DEBUG
	if (strcmp(name, realname) != 0) {
		TRACE(("idn_converter_create: realname=%s\n", realname));
	}
#endif

	*ctxp = NULL;

	/* Allocate memory for a converter context and the name. */
	ctx = malloc(sizeof(struct idn_converter) + strlen(realname) + 1);
	if (ctx == NULL) {
		r = idn_nomemory;
		goto ret;
	}

	ctx->local_encoding_name = (char *)(ctx + 1);
	(void)strcpy(ctx->local_encoding_name, realname);
	ctx->flags = flags;
	ctx->reference_count = 1;
	ctx->opened_convfromucs4 = 0;
	ctx->opened_convtoucs4 = 0;
	ctx->private_data = NULL;

	assert(encoding_name_hash != NULL);

	if (strcmp(realname, IDN_UTF8_ENCODING_NAME) == 0) {
		/* No conversion needed */
		ctx->ops = &none_converter_ops;
	} else if ((r = idn__strhash_get(encoding_name_hash, realname, &v))
		   == idn_success) {
		/* Special converter found */
		ctx->ops = (converter_ops_t *)v;
	} else {
		/* General case */
#ifdef WITHOUT_ICONV
		free(ctx);
		*ctxp = NULL;
		r = idn_invalid_name;
		goto ret;
#else
		ctx->ops = &iconv_converter_ops;
#endif
	}

	if ((flags & IDN_CONVERTER_DELAYEDOPEN) == 0) {
		r = (ctx->ops->openfromucs4)(ctx, &(ctx->private_data));
		if (r != idn_success) {
			WARNING(("idn_converter_create(): open failed "
			     "(ucs4->local)\n"));
			free(ctx);
			*ctxp = NULL;
			goto ret;
		}
		ctx->opened_convfromucs4 = 1;

		r = (*ctx->ops->opentoucs4)(ctx, &(ctx->private_data));
		if (r != idn_success) {
			WARNING(("idn_converter_create(): open failed "
			     "(local->ucs4)\n"));
			free(ctx);
			*ctxp = NULL;
			goto ret;
		}
		ctx->opened_convtoucs4 = 1;
	}

	*ctxp = ctx;
	r = idn_success;
ret:
	TRACE(("idn_converter_create(): %s\n", idn_result_tostring(r)));
	return (r);
}