Adds a new macro simplifying use of snprinf on MS platforms.

This commit is contained in:
vladlosev 2011-09-26 17:54:02 +00:00
parent 1b2e509958
commit f7d58e81c3
2 changed files with 18 additions and 9 deletions

View File

@ -1682,6 +1682,23 @@ inline void Abort() { abort(); }
} // namespace posix
// MSVC "deprecates" snprintf and issues warnings wherever it is used. In
// order to avoid these warnings, we need to use _snprintf or _snprintf_s on
// MSVC-based platforms. We map the GTEST_SNPRINTF_ macro to the appropriate
// function in order to achieve that. We use macro definition here because
// snprintf is a variadic function.
#if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE
// MSVC 2005 and above support variadic macros.
# define GTEST_SNPRINTF_(buffer, size, format, ...) \
_snprintf_s(buffer, size, size, format, __VA_ARGS__)
#elif defined(_MSC_VER)
// Windows CE does not define _snprintf_s and MSVC prior to 2005 doesn't
// complain about _snprintf.
# define GTEST_SNPRINTF_ _snprintf
#else
# define GTEST_SNPRINTF_ snprintf
#endif
// The maximum number a BiggestInt can represent. This definition
// works no matter BiggestInt is represented in one's complement or
// two's complement.

View File

@ -55,14 +55,6 @@ namespace {
using ::std::ostream;
#if GTEST_OS_WINDOWS_MOBILE // Windows CE does not define _snprintf_s.
# define snprintf _snprintf
#elif _MSC_VER >= 1400 // VC 8.0 and later deprecate snprintf and _snprintf.
# define snprintf _snprintf_s
#elif _MSC_VER
# define snprintf _snprintf
#endif // GTEST_OS_WINDOWS_MOBILE
// Prints a segment of bytes in the given object.
void PrintByteSegmentInObjectTo(const unsigned char* obj_bytes, size_t start,
size_t count, ostream* os) {
@ -77,7 +69,7 @@ void PrintByteSegmentInObjectTo(const unsigned char* obj_bytes, size_t start,
else
*os << '-';
}
snprintf(text, sizeof(text), "%02X", obj_bytes[j]);
GTEST_SNPRINTF_(text, sizeof(text), "%02X", obj_bytes[j]);
*os << text;
}
}