From e722d4426fa43a12dcba8369808b28af4e38b526 Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Sat, 27 Mar 2021 18:51:04 +0000
Subject: Release 10.73.35

git-svn-id: http://svn.code.sf.net/p/netpbm/code/super_stable@4072 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 converter/other/pnmtopng.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'converter/other/pnmtopng.c')

diff --git a/converter/other/pnmtopng.c b/converter/other/pnmtopng.c
index 3899a9d2..009d8bb8 100644
--- a/converter/other/pnmtopng.c
+++ b/converter/other/pnmtopng.c
@@ -962,6 +962,8 @@ tryTransparentColor(FILE *     const ifp,
             }
         }
     }  
+    *singleColorIsTransP = singleColorIsTrans;
+
     pnm_freerow(xelrow);
 }
 
@@ -1469,9 +1471,14 @@ computeUnsortedAlphaPalette(FILE *           const ifP,
     int row;
     xel * xelrow;
     unsigned int alphaColorPairCnt;
+        /* Number of different alpha/color pairs we've seen so far as we
+           iterate through the image.
+        */
 
     cht = ppm_colorhisttocolorhash(chv, colors);
 
+    /* We have not seen any alphas of any color yet. */
+    alphaColorPairCnt = 0;
     for (colorIndex = 0; colorIndex < colors; ++colorIndex) {
         alphasOfColor[colorIndex] = NULL;
         alphasOfColorCnt[colorIndex] = 0;
-- 
cgit 1.4.1