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| author | Campbell Barton <ideasman42@gmail.com> | 2014-12-08 12:54:56 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2014-12-08 12:54:56 +0300 |
| commit | 3e7e97f1277d83582f314587f28f513291e2caca (patch) | |
| tree | 8408974fd135fad7344decfd496badb80e04faa8 /source/blender/blenlib/BLI_utildefines.h | |
| parent | 690345a826544aec7a30b1d39966d867d093a8d1 (diff) | |
BMesh: ensure iterator macros assign to valid types
note, this is for C++ code which expects a cast, (will be added later)
also add a macro for nop-expressions (EXPR_NOP),
when we never want an expression to be evaluated, but it should still be valid.
Diffstat (limited to 'source/blender/blenlib/BLI_utildefines.h')
| -rw-r--r-- | source/blender/blenlib/BLI_utildefines.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_utildefines.h b/source/blender/blenlib/BLI_utildefines.h index ef1312a1d94..53896bb31b6 100644 --- a/source/blender/blenlib/BLI_utildefines.h +++ b/source/blender/blenlib/BLI_utildefines.h @@ -219,6 +219,8 @@ extern "C" { /* reusable ELEM macro */ #define ELEM(...) VA_NARGS_CALL_OVERLOAD(_VA_ELEM, __VA_ARGS__) +/* no-op for expressions we don't want to instansiate, but must remian valid */ +#define EXPR_NOP(expr) (void)(0 ? ((void)(expr), 1) : 0) /* shift around elements */ #define SHIFT3(type, a, b, c) { \ |