diff options
Diffstat (limited to 'include/my_global.h')
| -rw-r--r-- | include/my_global.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/my_global.h b/include/my_global.h index 5c07aa00b32..0b5458215c6 100644 --- a/include/my_global.h +++ b/include/my_global.h @@ -464,6 +464,19 @@ int __void__; #define PURIFY_OR_LINT_INIT(var) #endif +/* + Suppress uninitialized variable warning without generating code. + + The _cplusplus is a temporary workaround for C++ code pending a fix + for a g++ bug (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34772). +*/ +#if defined(_lint) || defined(FORCE_INIT_OF_VARS) || defined(__cplusplus) || \ + !defined(__GNUC__) +#define UNINIT_VAR(x) x= 0 +#else +#define UNINIT_VAR(x) x= x +#endif + /* Define some useful general macros */ #if !defined(max) #define max(a, b) ((a) > (b) ? (a) : (b)) |