Created
November 6, 2020 23:46
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std_stringstream_is_harmful.txt
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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, |
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