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Silence "expression result unused" warnings in AssertVariableIsOfTypeMacro

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At least clang 3.1 generates those warnings. Prepend (void) to avoid them,
like we have in AssertMacro.
This commit is contained in:
Heikki Linnakangas 2012-11-12 15:02:40 +02:00
parent 42218f29af
commit c9d44a75d4
1 changed files with 4 additions and 4 deletions
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8
src/include/c.h
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@ -736,15 +736,15 @@ typedef NameData *Name;
StaticAssertStmt(__builtin_types_compatible_p(__typeof__(varname), typename), \ StaticAssertStmt(__builtin_types_compatible_p(__typeof__(varname), typename), \
CppAsString(varname) " does not have type " CppAsString(typename)) CppAsString(varname) " does not have type " CppAsString(typename))
#define AssertVariableIsOfTypeMacro(varname, typename) \ #define AssertVariableIsOfTypeMacro(varname, typename) \
StaticAssertExpr(__builtin_types_compatible_p(__typeof__(varname), typename), \ ((void) StaticAssertExpr(__builtin_types_compatible_p(__typeof__(varname), typename), \
CppAsString(varname) " does not have type " CppAsString(typename)) CppAsString(varname) " does not have type " CppAsString(typename)))
#else /* !HAVE__BUILTIN_TYPES_COMPATIBLE_P */ #else /* !HAVE__BUILTIN_TYPES_COMPATIBLE_P */
#define AssertVariableIsOfType(varname, typename) \ #define AssertVariableIsOfType(varname, typename) \
StaticAssertStmt(sizeof(varname) == sizeof(typename), \ StaticAssertStmt(sizeof(varname) == sizeof(typename), \
CppAsString(varname) " does not have type " CppAsString(typename)) CppAsString(varname) " does not have type " CppAsString(typename))
#define AssertVariableIsOfTypeMacro(varname, typename) \ #define AssertVariableIsOfTypeMacro(varname, typename) \
StaticAssertExpr(sizeof(varname) == sizeof(typename), \ ((void) StaticAssertExpr(sizeof(varname) == sizeof(typename), \
CppAsString(varname) " does not have type " CppAsString(typename)) CppAsString(varname) " does not have type " CppAsString(typename)))
#endif /* HAVE__BUILTIN_TYPES_COMPATIBLE_P */ #endif /* HAVE__BUILTIN_TYPES_COMPATIBLE_P */