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Check if pointers are null before calling memset (#290)

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Shane Loretz 2018-08-31 15:31:53 -07:00 • committed by GitHub
parent ceff88b974
commit 955c0c93da
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1 changed files with 15 additions and 11 deletions
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rcl/src/rcl/wait.c
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@ -211,21 +211,25 @@ rcl_wait_set_get_allocator(const rcl_wait_set_t * wait_set, rcl_allocator_t * al
#define SET_CLEAR(Type) \ #define SET_CLEAR(Type) \
do { \ do { \
if (NULL != wait_set->Type ## s) { \
memset( \ memset( \
(void *)wait_set->Type ## s, \ (void *)wait_set->Type ## s, \
0, \ 0, \
sizeof(rcl_ ## Type ## _t *) * wait_set->size_of_ ## Type ## s); \ sizeof(rcl_ ## Type ## _t *) * wait_set->size_of_ ## Type ## s); \
wait_set->impl->Type ## _index = 0; \ wait_set->impl->Type ## _index = 0; \
} \
} while (false) } while (false)
#define SET_CLEAR_RMW(Type, RMWStorage, RMWCount) \ #define SET_CLEAR_RMW(Type, RMWStorage, RMWCount) \
do { \ do { \
if (NULL != wait_set->impl->RMWStorage) { \
/* Also clear the rmw storage. */ \ /* Also clear the rmw storage. */ \
memset( \ memset( \
wait_set->impl->RMWStorage, \ wait_set->impl->RMWStorage, \
0, \ 0, \
sizeof(void *) * wait_set->impl->RMWCount); \ sizeof(void *) * wait_set->impl->RMWCount); \
wait_set->impl->RMWCount = 0; \ wait_set->impl->RMWCount = 0; \
} \
} while (false) } while (false)
#define SET_RESIZE(Type, ExtraDealloc, ExtraRealloc) \ #define SET_RESIZE(Type, ExtraDealloc, ExtraRealloc) \