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Better handling of utf to wchar

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Gabi Melman 2023-02-25 17:02:50 +02:00 committed by GitHub
parent 4641347c3f
commit 66407f5b48
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1 changed files with 5 additions and 8 deletions
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11
include/spdlog/details/os-inl.h
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@ -18,6 +18,7 @@
#include <string> #include <string>
#include <thread> #include <thread>
#include <array> #include <array>
#include <cassert>
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/types.h> #include <sys/types.h>
@ -501,20 +502,16 @@ SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target)
return; return;
} }
int result_size = static_cast<int>(target.capacity()); // find the size to allocate for the result buffer
if (str_size + 1 > result_size) int result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 0);
{
result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 0);
}
if (result_size > 0) if (result_size > 0)
{ {
target.resize(result_size); target.resize(result_size);
result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, target.data(), result_size); result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, target.data(), result_size);
if (result_size > 0) if (result_size > 0)
{ {
target.resize(result_size); assert result_size == target.size();
return; return;
} }
} }