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Speculative va_copy() fix for old versions of GCC/Clang. (cannot repro) (#1085)

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omar 2018-07-30 16:00:47 +02:00
parent 2a67aeaa3d
commit 80db2383d8
1 changed files with 4 additions and 0 deletions
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4
imgui.cpp
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@ -1931,8 +1931,12 @@ bool ImGuiTextFilter::PassFilter(const char* text, const char* text_end) const
// On some platform vsnprintf() takes va_list by reference and modifies it.
// va_copy is the 'correct' way to copy a va_list but Visual Studio prior to 2013 doesn't have it.
#ifndef va_copy
#if defined(__GNUC__) || defined(__clang__)
#define va_copy(dest, src) __builtin_va_copy(dest, src)
#else
#define va_copy(dest, src) (dest = src)
#endif
#endif
// Helper: Text buffer for logging/accumulating text
void ImGuiTextBuffer::appendfv(const char* fmt, va_list args)