- 563 名前：デフォルトの名無しさん mailto:sage [2009/09/15(火) 00:47:20 ]
- void test(unsigned nmegabytes, std::vector<void *>& saver) {
unsigned alloced = 0;
printf("[%u]MByte\n", nmegabytes);
for (;;) {
void *p = malloc(nmegabytes * 1024 * 1024);
if (!p) {
printf("malloc() returns NULL at allocated %uMB\n", alloced);
break;
}
*(int *)p = 0; // アクセス違反で落ちる？
alloced += nmegabytes;
saver.push_back(p);
}
// clear
for (std::vector<void *>::iterator it = saver.begin(), end = saver.end(); it != end; ++it) {
free(*it);
}
saver.clear();
}
int main() {
std::vector<void *> saver;
saver.reserve(4 * 1024);
test(1, saver);
test(50, saver);
test(500, saver);
}
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