ladybird/LibC/stdlib.cpp
Andreas Kling bca4b71bfa Lots of hacking to make a very simple "ls" utility.
I added a dead-simple malloc that only allows allocations < 4096 bytes.
It just forwards the request to mmap() every time.

I also added simplified versions of opendir() and readdir().
2018-10-24 12:50:07 +02:00

24 lines
322 B
C++

#include "stdlib.h"
#include "mman.h"
extern "C" {
void* malloc(size_t size)
{
if (size > 4096) {
volatile char* crashme = (char*)0xc007d00d;
*crashme = 0;
}
void* ptr = mmap(nullptr, 4096);
return ptr;
}
void free(void* ptr)
{
if (!ptr)
return;
munmap(ptr, 4096);
}
}