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/*@null@*/ int *x;
void f1 (void)
{
int *y = x;
if (3 > 4)
{
;
}
else
{
x = NULL;
if (y != NULL) free (y);
}
/* y is unusable...but no error yet */
}
void f2 (void)
{
int *y = x;
if (3 > 4)
{
;
}
else
{
x = NULL;
if (y != NULL) free (y);
}
*y = 23; /* 1. Variable y used in inconsistent state */
} /* 2. Dereference of possibly null pointer y: *y */
void f3 (void)
{
int *y = x;
if (3 > 4)
{
;
}
else
{
x = NULL;
if (y != NULL) free (y);
}
y = x;
*y = 23; /* 3. Dereference of possibly null pointer y: *y */
}
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