diff options
Diffstat (limited to 'src/prevector.h')
| -rw-r--r-- | src/prevector.h | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/src/prevector.h b/src/prevector.h index 6b2f578f5c..177d81383e 100644 --- a/src/prevector.h +++ b/src/prevector.h @@ -5,11 +5,13 @@ #ifndef _BITCOIN_PREVECTOR_H_ #define _BITCOIN_PREVECTOR_H_ +#include <assert.h> #include <stdlib.h> #include <stdint.h> #include <string.h> #include <iterator> +#include <type_traits> #pragma pack(push, 1) /** Implements a drop-in replacement for std::vector<T> which stores up to N @@ -170,10 +172,15 @@ private: } } else { if (!is_direct()) { + /* FIXME: Because malloc/realloc here won't call new_handler if allocation fails, assert + success. These should instead use an allocator or new/delete so that handlers + are called as necessary, but performance would be slightly degraded by doing so. */ _union.indirect = static_cast<char*>(realloc(_union.indirect, ((size_t)sizeof(T)) * new_capacity)); + assert(_union.indirect); _union.capacity = new_capacity; } else { char* new_indirect = static_cast<char*>(malloc(((size_t)sizeof(T)) * new_capacity)); + assert(new_indirect); T* src = direct_ptr(0); T* dst = reinterpret_cast<T*>(new_indirect); memcpy(dst, src, size() * sizeof(T)); @@ -382,10 +389,14 @@ public: iterator erase(iterator first, iterator last) { iterator p = first; char* endp = (char*)&(*end()); - while (p != last) { - (*p).~T(); - _size--; - ++p; + if (!std::is_trivially_destructible<T>::value) { + while (p != last) { + (*p).~T(); + _size--; + ++p; + } + } else { + _size -= last - p; } memmove(&(*first), &(*last), endp - ((char*)(&(*last)))); return first; @@ -426,7 +437,9 @@ public: } ~prevector() { - clear(); + if (!std::is_trivially_destructible<T>::value) { + clear(); + } if (!is_direct()) { free(_union.indirect); _union.indirect = NULL; |