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Diffstat (limited to 'Swiften/IDN/ICUConverter.cpp')
-rw-r--r--Swiften/IDN/ICUConverter.cpp13
1 files changed, 4 insertions, 9 deletions
diff --git a/Swiften/IDN/ICUConverter.cpp b/Swiften/IDN/ICUConverter.cpp
index d6b0827..37ce708 100644
--- a/Swiften/IDN/ICUConverter.cpp
+++ b/Swiften/IDN/ICUConverter.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012-2016 Isode Limited.
+ * Copyright (c) 2012-2018 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
@@ -19,6 +19,8 @@ using namespace Swift;
using boost::numeric_cast;
namespace {
+ static constexpr auto maxStringPrepLength = 1023;
+
typedef std::vector<UChar, SafeAllocator<UChar> > ICUString;
const char* toConstCharArray(const std::string& input) {
@@ -93,15 +95,8 @@ namespace {
ICUString icuInput = convertToICUString(s);
ICUString icuResult;
UParseError parseError;
- icuResult.resize(icuInput.size());
+ icuResult.resize(maxStringPrepLength);
int32_t icuResultLength = usprep_prepare(icuProfile.get(), vecptr(icuInput), numeric_cast<int32_t>(icuInput.size()), vecptr(icuResult), numeric_cast<int32_t>(icuResult.size()), USPREP_ALLOW_UNASSIGNED, &parseError, &status);
- icuResult.resize(numeric_cast<size_t>(icuResultLength));
- if (status == U_BUFFER_OVERFLOW_ERROR) {
- status = U_ZERO_ERROR;
- icuResult.resize(numeric_cast<size_t>(icuResultLength));
- icuResultLength = usprep_prepare(icuProfile.get(), vecptr(icuInput), numeric_cast<int32_t>(icuInput.size()), vecptr(icuResult), numeric_cast<int32_t>(icuResult.size()), USPREP_ALLOW_UNASSIGNED, &parseError, &status);
- icuResult.resize(numeric_cast<size_t>(icuResultLength));
- }
if (U_FAILURE(status)) {
return std::vector<char, SafeAllocator<char> >();
}