test/Analysis/ptr-arith.c

// RUN: clang -analyze -checker-simple -analyzer-store=region -verify %s

void f1() {
  int a[10];
  int *p = a;
  ++p;
}

char* foo();

void f2() {
  char *p = foo();
  ++p;
}

char* memchr();
static int
domain_port (const char *domain_b, const char *domain_e,
             const char **domain_e_ptr)
{
  int port = 0;
  
  const char *p;
  const char *colon = memchr (domain_b, ':', domain_e - domain_b);
  
  for (p = colon + 1; p < domain_e ; p++)
    port = 10 * port + (*p - '0');
  return port;
}