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Fixes zealous MSVC static analyzers warnings (#3938)

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Other unfixed as I'm not happy with caving to false positives of every analyzers.
This commit is contained in:
ocornut 2021-03-18 16:10:25 +01:00
parent 0c5b0c8b97
commit 412d6f7efe
3 changed files with 23 additions and 14 deletions
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1
backends/imgui_impl_win32.cpp
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@ -193,6 +193,7 @@ static bool ImGui_ImplWin32_UpdateMouseCursor()
static void ImGui_ImplWin32_UpdateMousePos() static void ImGui_ImplWin32_UpdateMousePos()
{ {
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
IM_ASSERT(g_hWnd != 0);
// Set OS mouse position if requested (rarely used, only when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user) // Set OS mouse position if requested (rarely used, only when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user)
if (io.WantSetMousePos) if (io.WantSetMousePos)

11
imgui.cpp
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@ -1133,11 +1133,18 @@ void ImGuiIO::AddInputCharacterUTF16(ImWchar16 c)
if (InputQueueSurrogate != 0) if (InputQueueSurrogate != 0)
{ {
if ((c & 0xFC00) != 0xDC00) // Invalid low surrogate if ((c & 0xFC00) != 0xDC00) // Invalid low surrogate
{
InputQueueCharacters.push_back(IM_UNICODE_CODEPOINT_INVALID); InputQueueCharacters.push_back(IM_UNICODE_CODEPOINT_INVALID);
else if (IM_UNICODE_CODEPOINT_MAX == (0xFFFF)) // Codepoint will not fit in ImWchar (extra parenthesis around 0xFFFF somehow fixes -Wunreachable-code with Clang) }
cp = IM_UNICODE_CODEPOINT_INVALID;
else else
{
#if IM_UNICODE_CODEPOINT_MAX == 0xFFFF
cp = IM_UNICODE_CODEPOINT_INVALID; // Codepoint will not fit in ImWchar
#else
cp = (ImWchar)(((InputQueueSurrogate - 0xD800) << 10) + (c - 0xDC00) + 0x10000); cp = (ImWchar)(((InputQueueSurrogate - 0xD800) << 10) + (c - 0xDC00) + 0x10000);
#endif
}
InputQueueSurrogate = 0; InputQueueSurrogate = 0;
} }
InputQueueCharacters.push_back(cp); InputQueueCharacters.push_back(cp);

1
imgui_tables.cpp
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@ -2678,6 +2678,7 @@ void ImGui::TableSortSpecsBuild(ImGuiTable* table)
// Write output // Write output
table->SortSpecsMulti.resize(table->SortSpecsCount <= 1 ? 0 : table->SortSpecsCount); table->SortSpecsMulti.resize(table->SortSpecsCount <= 1 ? 0 : table->SortSpecsCount);
ImGuiTableColumnSortSpecs* sort_specs = (table->SortSpecsCount == 0) ? NULL : (table->SortSpecsCount == 1) ? &table->SortSpecsSingle : table->SortSpecsMulti.Data; ImGuiTableColumnSortSpecs* sort_specs = (table->SortSpecsCount == 0) ? NULL : (table->SortSpecsCount == 1) ? &table->SortSpecsSingle : table->SortSpecsMulti.Data;
if (sort_specs != NULL)
for (int column_n = 0; column_n < table->ColumnsCount; column_n++) for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
{ {
ImGuiTableColumn* column = &table->Columns[column_n]; ImGuiTableColumn* column = &table->Columns[column_n];