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clang-tidy: address bugprone-sizeof-expression lint

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This commit is contained in:
Ben Boeckel
2020-04-08 11:56:47 -04:00
parent 609c3b7cdc
commit f413727d27
1 changed files with 4 additions and 2 deletions
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6
Source/cmGlobalGenerator.cxx
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@@ -2253,10 +2253,12 @@ std::string cmGlobalGenerator::IndexGeneratorTargetUniquely(
// Use a ":" prefix to avoid conflict with project-defined targets.
// We must satisfy cmGeneratorExpression::IsValidTargetName so use no
// other special characters.
char buf[1 + sizeof(gt) * 2];
constexpr size_t sizeof_ptr =
sizeof(gt); // NOLINT(bugprone-sizeof-expression)
char buf[1 + sizeof_ptr * 2];
char* b = buf;
*b++ = ':';
for (size_t i = 0; i < sizeof(gt); ++i) {
for (size_t i = 0; i < sizeof_ptr; ++i) {
unsigned char const c = reinterpret_cast<unsigned char const*>(&gt)[i];
*b++ = hexDigits[(c & 0xf0) >> 4];
*b++ = hexDigits[(c & 0x0f)];