(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
Wstringop-overflow-35.c
       1  /* Verify that calls to strcpy to write to an element of an array of pointers
       2     are not diagnosed (due to mistakenly using the size of the array as that
       3     of the destination).
       4     { dg-do compile }
       5     { dg-options "-O2 -Wall" } */
       6  
       7  typedef char A1[1];
       8  typedef char A2[2];
       9  typedef char A3[3];
      10  typedef char A4[4];
      11  typedef char A5[5];
      12  typedef char A6[6];
      13  typedef char A7[7];
      14  typedef char A8[8];
      15  typedef char A9[9];
      16  typedef char A10[10];
      17  
      18  A1* pa1[3];
      19  A2* pa2[3];
      20  A3* pa3[3];
      21  A4* pa4[3];
      22  A5* pa5[3];
      23  A6* pa6[3];
      24  A7* pa7[3];
      25  A8* pa8[3];
      26  A9* pa9[3];
      27  A10* pa10[3];
      28  
      29  void nowarn_a1_1 (int i)
      30  {
      31    __builtin_strcpy (*pa1[0], "");
      32    __builtin_strcpy (*pa1[1], "");
      33    __builtin_strcpy (*pa1[i], "");
      34  }
      35  
      36  void nowarn_a2_2 (int i)
      37  {
      38    __builtin_strcpy (*pa2[0], "1");
      39    __builtin_strcpy (*pa2[1], "2");
      40    __builtin_strcpy (*pa2[i], "3");
      41  }
      42  
      43  void nowarn_a3_3 (int i)
      44  {
      45    __builtin_strcpy (*pa3[0], "12");
      46    __builtin_strcpy (*pa3[1], "23");
      47    __builtin_strcpy (*pa3[i], "34");
      48  }
      49  
      50  void nowarn_a4_4 (int i)
      51  {
      52    __builtin_strcpy (*pa4[0], "123");
      53    __builtin_strcpy (*pa4[1], "234");
      54    __builtin_strcpy (*pa4[i], "345");
      55  }
      56  
      57  void nowarn_a5_5 (int i)
      58  {
      59    __builtin_strcpy (*pa5[0], "1234");
      60    __builtin_strcpy (*pa5[1], "2345");
      61    __builtin_strcpy (*pa5[i], "3456");
      62  }
      63  
      64  void nowarn_a6_6 (int i)
      65  {
      66    __builtin_strcpy (*pa6[0], "12345");
      67    __builtin_strcpy (*pa6[1], "23456");
      68    __builtin_strcpy (*pa6[1], "34567");
      69  }
      70  
      71  void nowarn_a10_10 (int i)
      72  {
      73    __builtin_strcpy (*pa10[0], "0123456789");
      74    __builtin_strcpy (*pa10[1], "1234567890");
      75    __builtin_strcpy (*pa10[i], "2345678909");
      76  }