test/libs.c

   1 /*
   2 ** test of standard library
   3 */
   4
   5 int compare (int x, int y)
   6 {
   7   x = y;
   8   return (3);
   9 }
  10
  11 char *compare2 (int x, int y)
  12 {
  13   x = y;
  14   return "ok";
  15 }
  16
  17 void
  18 leave (int i)
  19 {
  20   exit ("hullo"); /* 1. Function exit expects arg 1 to be int gets char * */
  21   exit (i);       /* 2. Unreachable code */
  22 }
  23
  24 void
  25 print (char *s, FILE *f)
  26 {
  27   char c;
  28
  29   fprintf (f, s);
  30   printf(s);
  31   fprintf (stderr, s);
  32
  33   c = fgetc(f); /* 3. Assignment of int to char: c = fgetc(f) */
  34   c = getc (f); /* 4. Assignment of int to char: c = getc(f) */
  35 }
  36
  37 int
  38 main (void)
  39 {
  40   unsigned int x;
  41
  42   x = NULL;
  43
  44   /*@-null@*/ /* suppress errors for passing NULL's */
  45   /*@-noeffect@*/
  46   (void) bsearch (NULL, NULL, sizeof(int), compare) ;  /* 5, 6  */
  47   (void) bsearch (NULL, NULL, sizeof(int), sizeof(int), (int (*) ()) compare) ; /* ok */
  48   bsearch (NULL, NULL, sizeof(int), sizeof(int), (char (*) ()) compare2) ; /* 7, 8 */
  49   /*@=noeffect@*/
  50
  51   qsort (NULL, x, x, (int (*)()) compare);
  52   qsort (x, x, x, (char (*)()) compare2); /* 9, 10. */
  53
  54   signal (SIGHUP, compare); /* 11. */
  55   signal (SIGHUP, leave);
  56
  57   return 23;
  58 }
  59
  60