50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
void alias() {
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int x; int *ip=&x; float *fp = (float *)ip;
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}
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int buffer_overflow() {
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int x[10]={0}; return x[100];
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}
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int dead_pointer(int a) {
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int *p=&a; if (a) { int x=0; p = &x; } return *p;
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}
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int division_by_zero() {
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return 100 / 0;
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}
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int float_to_int() {
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double d=1E100; return (int)d;
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}
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void negative_size(int sz) {
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if (sz < 0) { int buf[sz]; }
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}
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int no_return() {}
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int null_pointer() {
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int *p = 0; return *p;
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}
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int *pointer_arithmetic() {
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static int buf[10]; return buf + 100;
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}
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unsigned char pointer_to_u8() {
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static int buf[10]; return (int*)buf;
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}
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int pointer_subtraction() {
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char a[10]; char b[10]; return b-a;
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}
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int pointer_comparison() {
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char a[10]; char b[10]; return b<a;
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}
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int shift_overrun(int x) {
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return x << 123;
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}
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int shift_negative() {
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return -1 << 1;
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}
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int int_overflow() {
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int intmax = (~0U) >> 1; return intmax * 2;
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}
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void string_literal() {
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*((char *)"hello") = 0;
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}
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int uninit() {
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int x; return x + 2;
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}
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