test/metastate/file.c

   1 static void checkOpen (/*@open@*/ /*@null@*/ FILE *);
   2 static void checkClosed (/*@closed@*/ /*@null@*/ FILE *);
   3
   4 int main (void)
   5 {
   6   FILE *fle = NULL;
   7   char s[10];
   8
   9   checkClosed (fle); /* okay */
  10   checkOpen (fle); /* error */
  11
  12   fle = fopen ("test", "r");
  13   checkClosed (fle); /* error */
  14   checkOpen (fle); /* okay */
  15
  16
  17   (void) fclose (fle);
  18   checkOpen (fle); /* error */
  19   checkClosed (fle); /* okay */
  20
  21   return 0; /* error: f is not closed */
  22 }
  23
  24
  25
  26 # if 0
  27
  28 @.S
  29   (void) fgets (s, 3, fle);
  30   (void) fclose (fle);
  31   (void) fgets (s, 3, fle); /* error: f is not open */
  32   (void) freopen ("test", "r", fle);
  33   (void) fgets (s, 3, fle);
  34 # endif