diff options
Diffstat (limited to 'src/libmdsserver')
| -rw-r--r-- | src/libmdsserver/macros.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/libmdsserver/macros.h b/src/libmdsserver/macros.h index 481d281..79d427f 100644 --- a/src/libmdsserver/macros.h +++ b/src/libmdsserver/macros.h @@ -331,6 +331,20 @@ /** + * `xremalloc` that stores the old variable + * + * @param old:type* The variable to which to store with the old variable that needs + * to be `free`:ed on failure, and set to `NULL` on success. + * @param var:type* The variable to which to assign the reallocation + * @param elements:size_t The number of elements to allocate + * @param type The data type of the elements for which to create an allocation + * @return :int Evaluates to true if an only if the allocation failed + */ +#define xxrealloc(old, var, elements, type) \ + (old = var, (xrealloc(var, elements, type) ? 1 : (old = NULL, 0))) + + +/** * Double to the size of an allocation on the heap * * @param old:type* Variable in which to store the old value temporarily |