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Added a comment why std::vsnprintf is not used.

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This commit is contained in:
Anton Danielsson 2015-10-08 11:52:49 +02:00
parent c8f4690fd4
commit 7e9800e78a
1 changed files with 2 additions and 0 deletions
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2
src/string_util.cc
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@ -129,6 +129,7 @@ std::string StringPrintFImp(const char *msg, va_list args)
// allocation guess what the size might be
std::array<char, 256> local_buff;
std::size_t size = local_buff.size();
// 8/10/2015: vsnprintf is used instead of snd::vsnprintf due to a limitation in the android-ndk
auto ret = vsnprintf(local_buff.data(), size, msg, args_cp);
va_end(args_cp);
@ -143,6 +144,7 @@ std::string StringPrintFImp(const char *msg, va_list args)
// add 1 to size to account for null-byte in size cast to prevent overflow
size = static_cast<std::size_t>(ret) + 1;
auto buff_ptr = std::unique_ptr<char[]>(new char[size]);
// 8/10/2015: vsnprintf is used instead of snd::vsnprintf due to a limitation in the android-ndk
ret = vsnprintf(buff_ptr.get(), size, msg, args);
return std::string(buff_ptr.get());
}