gcc/testsuite/c-c++-common/analyzer/errno-pr107777.c

   1 int *
   2 __errno_location (void);
   3
   4 long int
   5 read (int, void *, unsigned long int);
   6
   7 struct IOBUF {
   8   int fd;
   9 };
  10
  11 void
  12 do_getline_end_data (struct IOBUF *iop, int tree)
  13 {
  14   char end_data;
  15
  16   if (tree)
  17     *__errno_location () = 0;
  18
  19   read (iop->fd, &end_data, sizeof end_data);
  20 }