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Comments about using MSVC SAL for printf annotation. (#8871)

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ocornut
2025-09-03 19:39:55 +02:00
parent 20160ff1d5
commit b7cb3d93a4
1 changed files with 4 additions and 2 deletions
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6
imgui.h
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@@ -100,8 +100,10 @@ Index of this file:
#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
// Helper Macros - IM_FMTARGS, IM_FMTLIST: Apply printf-style warnings to our formatting functions.
// (MSVC provides an equivalent mechanism via SAL Annotations but it would require the macros in a different
// location. e.g. #include <sal.h> + void myprintf(_Printf_format_string_ const char* format, ...))
// (MSVC provides an equivalent mechanism via SAL Annotations but it requires the macros in a different
// location. e.g. #include <sal.h> + void myprintf(_Printf_format_string_ const char* format, ...),
// and only works when using Code Analysis, rather than just normal compiling).
// (see https://github.com/ocornut/imgui/issues/8871 for a patch to enable this for MSVC's Code Analysis)
#if !defined(IMGUI_USE_STB_SPRINTF) && defined(__MINGW32__) && !defined(__clang__)
#define IM_FMTARGS(FMT) __attribute__((format(gnu_printf, FMT, FMT+1)))
#define IM_FMTLIST(FMT) __attribute__((format(gnu_printf, FMT, 0)))