nixpkgs/pkgs/development/libraries/aterm/max-long.patch

diff -rc aterm-2.8-orig/aterm/hash.c aterm-2.8/aterm/hash.c
*** aterm-2.8-orig/aterm/hash.c	2008-11-10 13:54:22.000000000 +0100
--- aterm-2.8/aterm/hash.c	2009-01-27 18:14:14.000000000 +0100
***************
*** 93,146 ****
  }
  
  /*}}}  */
- /*{{{  static long calc_long_max() */
- static long calc_long_max()
- {
-   long try_long_max;
-   long long_max;
-   long delta;
- 
-   try_long_max = 1;
-   do {
-     long_max = try_long_max;
-     try_long_max = long_max * 2;
-   } while (try_long_max > 0);
- 
-   delta = long_max;
-   while (delta > 1) {
-     while (long_max + delta < 0) {
-       delta /= 2;
-     }
-     long_max += delta;
-   }
- 
-   return long_max;
- 
- }
- /*}}}  */
  /*{{{  static long calculateNewSize(sizeMinus1, nrdel, nrentries) */
  
  static long calculateNewSize
  (long sizeMinus1, long nr_deletions, long nr_entries)
  { 
- 
-   /* Hack: LONG_MAX (limits.h) is often unreliable, we need to find
-    * out the maximum possible value of a signed long dynamically.
-    */
-   static long st_long_max = 0;
- 
-   /* the resulting length has the form 2^k-1 */
- 
    if (nr_deletions >= nr_entries/2) { 
      return sizeMinus1;
    }
  
!   if (st_long_max == 0) {
!     st_long_max = calc_long_max();
!   }
! 
!   if (sizeMinus1 > st_long_max / 2) {
!     return st_long_max-1;
    }
  
    return (2*sizeMinus1)+1;
--- 93,109 ----
  }
  
  /*}}}  */
  /*{{{  static long calculateNewSize(sizeMinus1, nrdel, nrentries) */
  
  static long calculateNewSize
  (long sizeMinus1, long nr_deletions, long nr_entries)
  { 
    if (nr_deletions >= nr_entries/2) { 
      return sizeMinus1;
    }
  
!   if (sizeMinus1 > LONG_MAX / 2) {
!     return LONG_MAX-1;
    }
  
    return (2*sizeMinus1)+1;