diff options
| author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-08-14 12:29:55 +0200 |
|---|---|---|
| committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-08-14 12:29:55 +0200 |
| commit | 6dd8dac9368539abca0315601198880afa2d203a (patch) | |
| tree | 4421be8ebe12d44b3663d7a17ac2e66dd679425c /libdde-linux26 | |
| parent | dfeef5fd4fc2ea8705329e93a6ffbf198319556d (diff) | |
define uninitialized_var
Diffstat (limited to 'libdde-linux26')
| -rw-r--r-- | libdde-linux26/contrib/include/linux/compiler-gcc5.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/linux/compiler-gcc5.h b/libdde-linux26/contrib/include/linux/compiler-gcc5.h index efee4937..00cb5759 100644 --- a/libdde-linux26/contrib/include/linux/compiler-gcc5.h +++ b/libdde-linux26/contrib/include/linux/compiler-gcc5.h @@ -6,6 +6,12 @@ #define __must_check __attribute__((warn_unused_result)) #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) +/* + * A trick to suppress uninitialized variable warning without generating any + * code + */ +#define uninitialized_var(x) x = x + /* Mark functions as cold. gcc will assume any path leading to a call to them will be unlikely. This means a lot of manual unlikely()s are unnecessary now for any paths leading to the usual suspects |