Toolchain#

This module defines a toolchain abstraction layer through macros.

Usage:

typedef
OT_TOOL_PACKED_BEGIN
struct
{
    char mField1;
    union
    {
        char mField2;
        long mField3;
    } OT_TOOL_PACKED_FIELD;
} OT_TOOL_PACKED_END packed_struct_t;

Macros#

#define

OT_MUST_USE_RESULT

Compiler-specific indication that a class or enum must be used when it is the return value of a function.

#define

OT_TOOL_PACKED_BEGIN

Compiler-specific indication that a class or struct must be byte packed.

#define

OT_TOOL_PACKED_FIELD

Indicate to the compiler a nested struct or union to be packed within byte packed class or struct.

#define

OT_TOOL_WEAK

Compiler-specific weak symbol modifier.

#define

OT_TOOL_PRINTF_STYLE_FORMAT_ARG_CHECK (aFmtIndex, aStartIndex)

Specifies that a function or method takes printf style arguments and should be type-checked against a format string.

#define

OT_UNUSED_VARIABLE (VARIABLE)

Suppress unused variable warning in specific toolchains.

#define

OT_UNREACHABLE_CODE (CODE)

Suppress Unreachable code warning in specific toolchains.

#define

OT_APPLE_IGNORE_GNU_FOLDING_CONSTANT (...)

#define

OT_FALL_THROUGH undefined

Suppress fall through warning in specific compiler.