diff options
Diffstat (limited to 'absl/base')
| -rw-r--r-- | absl/base/call_once.h | 4 | ||||
| -rw-r--r-- | absl/base/log_severity.h | 8 | ||||
| -rw-r--r-- | absl/base/policy_checks.h | 28 |
3 files changed, 34 insertions, 6 deletions
diff --git a/absl/base/call_once.h b/absl/base/call_once.h index fa2a536081a6..532ee2e38bb5 100644 --- a/absl/base/call_once.h +++ b/absl/base/call_once.h @@ -152,10 +152,10 @@ void CallOnceImpl(std::atomic<uint32_t>* control, old_control != kOnceDone) { ABSL_RAW_LOG( FATAL, - "Unexpected value for control word: %x. Either the control word " + "Unexpected value for control word: %lx. Either the control word " "has non-static storage duration (where GoogleOnceDynamic might " "be appropriate), or there's been a memory corruption.", - static_cast<unsigned>(old_control)); + static_cast<unsigned long>(old_control)); // NOLINT } } #endif // NDEBUG diff --git a/absl/base/log_severity.h b/absl/base/log_severity.h index e146bcb05a49..e2931c34d1df 100644 --- a/absl/base/log_severity.h +++ b/absl/base/log_severity.h @@ -22,6 +22,9 @@ namespace absl { +// Four severity levels are defined. Logging APIs should terminate the program +// when a message is logged at severity `kFatal`; the other levels have no +// special semantics. enum class LogSeverity : int { kInfo = 0, kWarning = 1, @@ -36,6 +39,8 @@ constexpr std::array<absl::LogSeverity, 4> LogSeverities() { absl::LogSeverity::kError, absl::LogSeverity::kFatal}}; } +// Returns the all-caps std::string representation (e.g. "INFO") of the specified +// severity level if it is one of the normal levels and "UNKNOWN" otherwise. constexpr const char* LogSeverityName(absl::LogSeverity s) { return s == absl::LogSeverity::kInfo ? "INFO" @@ -46,7 +51,8 @@ constexpr const char* LogSeverityName(absl::LogSeverity s) { : s == absl::LogSeverity::kFatal ? "FATAL" : "UNKNOWN"; } -// Note that out-of-range severities normalize to kInfo or kError, never kFatal. +// Values less than `kInfo` normalize to `kInfo`; values greater than `kFatal` +// normalize to `kError` (**NOT** `kFatal`). constexpr absl::LogSeverity NormalizeLogSeverity(absl::LogSeverity s) { return s < absl::LogSeverity::kInfo ? absl::LogSeverity::kInfo diff --git a/absl/base/policy_checks.h b/absl/base/policy_checks.h index 51b662f4dd97..d634dac68dcf 100644 --- a/absl/base/policy_checks.h +++ b/absl/base/policy_checks.h @@ -47,14 +47,14 @@ // We support MSVC++ 14.0 update 2 and later. // This minimum will go up. #if defined(_MSC_FULL_VER) && _MSC_FULL_VER < 190023918 && !defined(__clang__) -#error "This package requires Visual Studio 2015 Update 2 or higher" +#error "This package requires Visual Studio 2015 Update 2 or higher." #endif // We support gcc 4.7 and later. // This minimum will go up. #if defined(__GNUC__) && !defined(__clang__) #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) -#error "This package requires gcc 4.7 or higher" +#error "This package requires gcc 4.7 or higher." #endif #endif @@ -62,7 +62,7 @@ // This corresponds to Apple Xcode version 4.5. // This minimum will go up. #if defined(__apple_build_version__) && __apple_build_version__ < 4211165 -#error "This package requires __apple_build_version__ of 4211165 or higher" +#error "This package requires __apple_build_version__ of 4211165 or higher." #endif // ----------------------------------------------------------------------------- @@ -96,4 +96,26 @@ #error "STLPort is not supported." #endif +// ----------------------------------------------------------------------------- +// `char` Size Check +// ----------------------------------------------------------------------------- + +// Abseil currently assumes CHAR_BIT == 8. If you would like to use Abseil on a +// platform where this is not the case, please provide us with the details about +// your platform so we can consider relaxing this requirement. +#if CHAR_BIT != 8 +#error "Abseil assumes CHAR_BIT == 8." +#endif + +// ----------------------------------------------------------------------------- +// `int` Size Check +// ----------------------------------------------------------------------------- + +// Abseil currently assumes that an int is 4 bytes. If you would like to use +// Abseil on a platform where this is not the case, please provide us with the +// details about your platform so we can consider relaxing this requirement. +#if INT_MAX < 2147483647 +#error "Abseil assumes that int is at least 4 bytes. " +#endif + #endif // ABSL_BASE_POLICY_CHECKS_H_ |