hack/alloc.c

   1 /*      $NetBSD: alloc.c,v 1.4 1997/10/19 16:56:47 christos Exp $       */
   2 #include <sys/cdefs.h>
   3 #ifndef lint
   4 __RCSID("$NetBSD: alloc.c,v 1.4 1997/10/19 16:56:47 christos Exp $");
   5 #endif                          /* not lint */
   6
   7 #include <stdlib.h>
   8 #include "hack.h"
   9 #include "extern.h"
  10
  11 #ifdef LINT
  12
  13 /*
  14    a ridiculous definition, suppressing
  15         "possible pointer alignment problem" for (long *) malloc()
  16         "enlarg defined but never used"
  17         "ftell defined (in <stdio.h>) but never used"
  18    from lint
  19 */
  20 long *
  21 alloc(n)
  22         unsigned        n;
  23 {
  24         long            dummy = ftell(stderr);
  25         if (n)
  26                 dummy = 0;      /* make sure arg is used */
  27         return (&dummy);
  28 }
  29
  30 #else
  31
  32 long *
  33 alloc(lth)
  34         unsigned lth;
  35 {
  36         char  *ptr;
  37
  38         if (!(ptr = malloc(lth)))
  39                 panic("Cannot get %d bytes", lth);
  40         return ((long *) ptr);
  41 }
  42
  43 long *
  44 enlarge(ptr, lth)
  45         char  *ptr;
  46         unsigned lth;
  47 {
  48         char  *nptr;
  49
  50         if (!(nptr = realloc(ptr, lth)))
  51                 panic("Cannot reallocate %d bytes", lth);
  52         return ((long *) nptr);
  53 }
  54
  55 #endif  /* LINT */