Skip to content

Instantly share code, notes, and snippets.

Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save alexey-milovidov/d41902b70e4eb3a0e430e5f88a6ba1e4 to your computer and use it in GitHub Desktop.
Save alexey-milovidov/d41902b70e4eb3a0e430e5f88a6ba1e4 to your computer and use it in GitHub Desktop.
std_stringstream_is_harmful.txt
milovidov@milovidov-desktop:~/work/ClickHouse$ cat stringstream.cpp
#include <iostream>
#include <sstream>
#include <stdlib.h>
#include <unistd.h>
#include <stdexcept>
void * operator new(std::size_t size)
{
static size_t i = 0;
++i;
if (i >= 3)
throw std::bad_alloc();
return malloc(size);
}
void * operator new[](std::size_t size)
{
return malloc(size);
}
void operator delete(void * ptr) noexcept
{
}
void operator delete[](void * ptr) noexcept
{
}
void operator delete(void * ptr, std::size_t size) noexcept
{
}
void operator delete[](void * ptr, std::size_t size) noexcept
{
}
int main(int, char **)
{
std::stringstream s;
for (size_t i = 0; i < 1000; ++i)
s << i << ", ";
std::cout << s.rdbuf() << "\n";
}
milovidov@milovidov-desktop:~/work/ClickHouse$ g++ stringstream.cpp && ./a.out
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226,
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment