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Suppress bogus coverity warnings

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This commit is contained in:
vitaut 2015-10-28 07:01:28 -07:00
parent 522e0e8371
commit 2d727e7d0e
3 changed files with 8 additions and 5 deletions
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7
format.cc
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@ -444,19 +444,20 @@ class BasicArgFormatter : public ArgVisitor<Impl, void> {
typedef typename BasicWriter<Char>::CharPtr CharPtr;
Char fill = internal::CharTraits<Char>::cast(spec_.fill());
CharPtr out = CharPtr();
enum { CHAR_WIDTH = 1 };
const int CHAR_WIDTH = 1;
if (spec_.width_ > CHAR_WIDTH) {
out = writer_.grow_buffer(spec_.width_);
if (spec_.align_ == ALIGN_RIGHT) {
std::fill_n(out, spec_.width_ - CHAR_WIDTH, fill);
out += spec_.width_ - CHAR_WIDTH;
} else if (spec_.align_ == ALIGN_CENTER) {
out = writer_.fill_padding(out, spec_.width_, CHAR_WIDTH, fill);
out = writer_.fill_padding(out, spec_.width_,
internal::check(CHAR_WIDTH), fill);
} else {
std::fill_n(out + CHAR_WIDTH, spec_.width_ - CHAR_WIDTH, fill);
}
} else {
out = writer_.grow_buffer(1);
out = writer_.grow_buffer(CHAR_WIDTH);
}
*out = internal::CharTraits<Char>::cast(value);
}

3
format.h
View File

@ -921,7 +921,8 @@ struct Conditional<false, T, F> { typedef F type; };
// A helper function to suppress bogus "conditional expression is constant"
// warnings.
inline bool check(bool value) { return value; }
template <typename T>
inline T check(T value) { return value; }
// Makes an Arg object from any type.
template <typename Char>

3
test/gtest-extra-test.cc
View File

@ -42,6 +42,7 @@ using testing::internal::scoped_ptr;
namespace {
// This is used to suppress coverity warnings about untrusted values.
std::string sanitize(const std::string &s) {
std::string result;
for (std::string::const_iterator i = s.begin(), end = s.end(); i != end; ++i)
@ -385,7 +386,7 @@ TEST(OutputRedirectTest, RestoreAndRead) {
OutputRedirect redir(file.get());
std::fprintf(file.get(), "censored");
EXPECT_EQ("censored", sanitize(redir.restore_and_read()));
EXPECT_EQ("", redir.restore_and_read());
EXPECT_EQ("", sanitize(redir.restore_and_read()));
std::fprintf(file.get(), "]]]");
file = BufferedFile();
EXPECT_READ(read_end, "[[[]]]");