diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/freetype/internal/ftmemory.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/freetype/internal/ftmemory.h b/include/freetype/internal/ftmemory.h index f0891ae09..7a8eeb8ac 100644 --- a/include/freetype/internal/ftmemory.h +++ b/include/freetype/internal/ftmemory.h @@ -57,6 +57,14 @@ FT_BEGIN_HEADER /*************************************************************************/ + /* The calculation `NULL + n' is undefined in C. Even if the resulting */ + /* pointer doesn't get dereferenced, this causes warnings with */ + /* sanitizers. */ + /* */ + /* We thus provide a macro that should be used if `base' can be NULL. */ +#define FT_OFFSET( base, count ) ( (base) ? (base) + (count) : NULL ) + + /* * C++ refuses to handle statements like p = (void*)anything, with `p' a * typed pointer. Since we don't have a `typeof' operator in standard C++, |