# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1559017520 -10800
# Node ID 781b1d63109a4d96f25c85ae4720d80f0962ba63
# Parent  3b5be00759edac1eb536c175b772046ea5a2ed29
Free previously allocated palette in the image palette allocation functions if it
is not a constpal.

diff -r 3b5be00759ed -r 781b1d63109a tools/lib64gfx.c
--- a/tools/lib64gfx.c	Mon May 27 12:22:08 2019 +0300
+++ b/tools/lib64gfx.c	Tue May 28 07:25:20 2019 +0300
@@ -118,6 +118,14 @@
 int dmSetDefaultC64Palette(DMImage *img)
 {
     int res;
+
+    // Free previous palette
+    if (!img->constpal)
+        dmPaletteFree(img->pal);
+
+    img->constpal = FALSE;
+
+    // Allocate new
     if ((res = dmPaletteAlloc(&(img->pal), D64_NCOLORS, 255)) != DMERR_OK)
         return res;
 
@@ -130,11 +138,18 @@
 int dmSetMixedColorC64Palette(DMImage *img)
 {
     int res;
+
+    // Free previous palette
+    if (!img->constpal)
+        dmPaletteFree(img->pal);
+
+    img->constpal = FALSE;
+
+    // Allocate new
     if ((res = dmPaletteAlloc(&(img->pal), D64_NCOLORS * D64_NCOLORS, -1)) != DMERR_OK)
         return res;
 
-    int n = 0;
-    for (int n1 = 0; n1 < D64_NCOLORS; n1++)
+    for (int n1 = 0, n = 0; n1 < D64_NCOLORS; n1++)
     {
         const DMColor *col1 = &dmDefaultC64Palette[n1];
         for (int n2 = 0; n2 < D64_NCOLORS; n2++)