1  /* Test case derived from Binutils/GDB's readline/readline/histexpand.c.
       2     { dg-do compile }
       3     { dg-options "-O2 -Wall" } */
       4  
       5  char *
       6  get_subst_pattern (char *str, int *iptr, int delimiter, int is_rhs, int *lenptr)
       7  {
       8    int si, i, j, k;
       9    char *s;
      10  
      11    s = 0;
      12    i = *iptr;
      13  
      14    for (si = i; str[si] && str[si] != delimiter; si++)
      15        if (str[si] == '\\' && str[si + 1] == delimiter)
      16  	si++;
      17  
      18    if (si > i || is_rhs)
      19      {
      20        s = (char *)__builtin_malloc (si - i + 1);
      21        for (j = 0, k = i; k < si; j++, k++)
      22  	{
      23  	  /* Remove a backslash quoting the search string delimiter. */
      24  	  if (str[k] == '\\' && str[k + 1] == delimiter)
      25  	    k++;
      26  	  s[j] = str[k];   // { dg-bogus "-Wstringop-overflow" }
      27  	}
      28        s[j] = '\0';
      29        if (lenptr)
      30  	*lenptr = j;
      31      }
      32  
      33    return s;
      34  }