gcc/testsuite/gcc.dg/torture/pr55238.c

   1 /* { dg-do compile } */
   2
   3 typedef void * gzFile;
   4 typedef struct
   5 {
   6   int mode;
   7   int direct;
   8   int seek;
   9   int err;
  10   char *msg;
  11 }
  12 gz_state;
  13
  14 void gz_error (gz_state *state, int err, char *msg);
  15 void foo (char *);
  16 void bar (char *, char *);
  17
  18 static void
  19 gz_reset (gz_state *state)
  20 {
  21   if (state->mode == 7247)
  22     {
  23       state->direct = 1;
  24     }
  25   state->seek = 0;
  26   gz_error (state, 0, 0);
  27 }
  28
  29 int
  30 gzbuffer (void *file, int size)
  31 {
  32   gz_state *state;
  33   gz_reset (state);
  34 }
  35
  36 void gz_error (gz_state *state, int err, char *msg)
  37 {
  38   if (state->msg != 0)
  39     {
  40       if (state->err != -4)
  41         foo (state->msg);
  42     }
  43   if (msg == 0)
  44     return;
  45   bar (state->msg, msg);
  46 }