sigsegv.cpp
692 Bytes
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
// nodefaultlib build: cl -Zi sigsegv.cpp /link /nodefaultlib
#ifdef USE_CRT
#include <stdio.h>
#else
int main();
extern "C"
{
int _fltused;
void mainCRTStartup() { main(); }
void printf(const char*, ...) {}
}
#endif
void crash(bool crash_self)
{
printf("Before...\n");
if(crash_self)
{
printf("Crashing in 3, 2, 1 ...\n");
*(volatile int*)nullptr = 0;
}
printf("After...\n");
}
int foo(int x, float y, const char* msg)
{
bool flag = x > y;
if(flag)
printf("x = %d, y = %f, msg = %s\n", x, y, msg);
crash(flag);
return x << 1;
}
int main()
{
foo(10, 3.14, "testing");
}