1  /* PR middle-end/83373 - False positive reported by -Wstringop-overflow
       2     { dg-do compile }
       3     { dg-options "-O2 -Wstringop-overflow" }  */
       4  
       5  typedef __SIZE_TYPE__ size_t;
       6  
       7  char buf[100];
       8  
       9  void get_data (char*);
      10  
      11  __attribute__ ((nonnull(1, 2)))
      12  inline char* my_strcpy (char* dst, const char* src, size_t size)
      13  {
      14    size_t len = __builtin_strlen (src);
      15    if (len < size)
      16      __builtin_memcpy (dst, src, len + 1);
      17    else
      18      {
      19        __builtin_memcpy (dst, src, size - 1); /* { dg-bogus "\\\[-Wstringop-oveflow]" } */
      20        dst[size - 1] = '\0';
      21      }
      22  
      23    return dst;
      24  }
      25  
      26  void test(void)
      27  {
      28    char data[20] = "12345";
      29  
      30    get_data (data);
      31  
      32    my_strcpy (buf, data, sizeof buf);
      33  }