From df95942b93d3ce512391b4c1e6cdfc66a897f98c Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Fri, 20 Mar 2020 00:46:50 +0000
Subject: Remove arbitrary restriction on size of image with -hilbert

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@3762 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 editor/pamditherbw.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'editor/pamditherbw.c')

diff --git a/editor/pamditherbw.c b/editor/pamditherbw.c
index 6ec2511a..1943aa14 100644
--- a/editor/pamditherbw.c
+++ b/editor/pamditherbw.c
@@ -190,8 +190,6 @@ makeOutputPam(unsigned int const width,
 
 /* Hilbert curve tracer */
 
-#define MAXORD 18
-
 struct Hil {
     int order;
     int ord;
@@ -200,7 +198,10 @@ struct Hil {
     int dy;
     int x;
     int y;
-    int stage[MAXORD];
+    int stage[sizeof(unsigned int)*8];
+        /* One entry for every bit in the height or width, each of which
+           is an unsigned int
+        */
     int width;
     int height;
 };
@@ -217,8 +218,7 @@ initHilbert(int          const w,
     hilP->height = h;
     big = w > h ? w : h;
     for (ber = 2, hilP->order = 1; ber < big; ber <<= 1, hilP->order++);
-    if (hilP->order > MAXORD)
-        pm_error("Sorry, hilbert order is too large");
+    assert(hilP->order <= ARRAY_SIZE(hilP->stage));
     hilP->ord = hilP->order;
     hilP->order--;
 }
-- 
cgit 1.4.1