diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/common/util.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/common/util.h b/src/common/util.h index 6bc853da26..e11265a5df 100644 --- a/src/common/util.h +++ b/src/common/util.h @@ -109,6 +109,14 @@ extern int dmalloc_free(const char *file, const int line, void *pnt, void tor_log_mallinfo(int severity); +/* Helper macro: free a variable of type 'type' using type_free_, and + * set the variable to NULL. */ +#define FREE_AND_NULL(type, var) \ + do { \ + type ## _free_(var); \ + (var) = NULL; \ + } while (0) + /** Macro: yield a pointer to the field at position <b>off</b> within the * structure <b>st</b>. Example: * <pre> |