diff options
| author | rillig <rillig@NetBSD.org> | 2021-12-15 09:29:55 +0000 |
|---|---|---|
| committer | rillig <rillig@NetBSD.org> | 2021-12-15 09:29:55 +0000 |
| commit | e379dafa6d63e14f1c79fd4ad7a2a491428ecdfd (patch) | |
| tree | da93384b872ad24c3d8057beca9d16845d43ae7e /usr.bin/make/make.h | |
| parent | 09a4507e449d0fa578a94cd79117298b72268ee3 (diff) | |
make: prevent memory leaks from buffers
The warning about unused function results would have prevented the
memory leak that was fixed in cond.c 1.303 from 2021-12-13.
Diffstat (limited to 'usr.bin/make/make.h')
| -rw-r--r-- | usr.bin/make/make.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/usr.bin/make/make.h b/usr.bin/make/make.h index 0d101364230..7a5595a113a 100644 --- a/usr.bin/make/make.h +++ b/usr.bin/make/make.h @@ -1,4 +1,4 @@ -/* $NetBSD: make.h,v 1.272 2021/12/13 22:26:21 rillig Exp $ */ +/* $NetBSD: make.h,v 1.273 2021/12/15 09:29:55 rillig Exp $ */ /* * Copyright (c) 1988, 1989, 1990, 1993 @@ -130,6 +130,12 @@ #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) /* delete */ #endif +#if MAKE_GNUC_PREREQ(4, 0) +#define MAKE_ATTR_USE __attribute__((__warn_unused_result__)) +#else +#define MAKE_ATTR_USE /* delete */ +#endif + #define MAKE_INLINE static inline MAKE_ATTR_UNUSED /* MAKE_STATIC marks a function that may or may not be inlined. */ |
