diff options
| author | Nick Mathewson <nickm@torproject.org> | 2015-11-25 10:30:58 -0500 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2015-11-25 22:29:59 -0500 |
| commit | dedea28c2ef59eb86f5d9704e5609ae13fa8b3c2 (patch) | |
| tree | 92ddba2410a8a80aad28734be47c78c460bbd6e6 /src/common/compat.h | |
| parent | 232ccc18c40f0d0302b2e21b0f67885c548f8e63 (diff) | |
| download | tor-dedea28c2ef59eb86f5d9704e5609ae13fa8b3c2.tar.gz tor-dedea28c2ef59eb86f5d9704e5609ae13fa8b3c2.zip | |
Make crypto_seed_rng() and crypto_rand() less scary.
These functions must really never fail; so have crypto_rand() assert
that it's working okay, and have crypto_seed_rng() demand that
callers check its return value. Also have crypto_seed_rng() check
RAND_status() before returning.
Diffstat (limited to 'src/common/compat.h')
| -rw-r--r-- | src/common/compat.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/common/compat.h b/src/common/compat.h index c7c468c754..c3d6abd07c 100644 --- a/src/common/compat.h +++ b/src/common/compat.h @@ -118,6 +118,7 @@ #define ATTR_CONST __attribute__((const)) #define ATTR_MALLOC __attribute__((malloc)) #define ATTR_NORETURN __attribute__((noreturn)) +#define ATTR_WUR __attribute__((warn_unused_result)) /* Alas, nonnull is not at present a good idea for us. We'd like to get * warnings when we pass NULL where we shouldn't (which nonnull does, albeit * spottily), but we don't want to tell the compiler to make optimizations @@ -153,6 +154,7 @@ #define ATTR_NORETURN #define ATTR_NONNULL(x) #define ATTR_UNUSED +#define ATTR_WUR #define PREDICT_LIKELY(exp) (exp) #define PREDICT_UNLIKELY(exp) (exp) #endif |