--- a/tools/lib64util.c	Fri Jun 14 03:28:46 2019 +0300
+++ b/tools/lib64util.c	Fri Jun 14 05:01:12 2019 +0300
@@ -6,6 +6,7 @@
  * Please read file 'COPYING' for information on license and distribution.
  */
 #include "lib64util.h"
+#include "dmfile.h"
 
 
 char * dmC64GetImageTypeString(char *buf, const size_t len, const int type, const BOOL lng)
@@ -104,3 +105,93 @@
     }
     fprintf(stdout, "\n");
 }
+
+
+BOOL argHandleC64PaletteOption(char *optArg, DMC64Palette **ppal, char **palFile)
+{
+    if (strcasecmp(optArg, "help") == 0 ||
+        strcasecmp(optArg, "list") == 0)
+    {
+        argShowC64PaletteHelp();
+        return FALSE;
+    }
+
+    for (int n = 0; n < ndmC64DefaultPalettes; n++)
+    {
+        DMC64Palette *pal = &dmC64DefaultPalettes[n];
+        if (strcasecmp(pal->name, optArg) == 0)
+        {
+            *ppal = pal;
+            return TRUE;
+        }
+    }
+
+    *palFile = optArg;
+    return TRUE;
+}
+
+
+int dmHandleExternalPalette(const char *filename, DMPalette **ppal)
+{
+    DMResource *fp = NULL;
+    const DMImageFormat *ifmt = NULL;
+    const DMPaletteFormat *pfmt = NULL;
+    DMImage *inImage = NULL;
+    Uint8 *dataBuf = NULL;
+    size_t dataSize;
+    int index, res;
+
+    dmMsg(1, "Probing file '%s' for palette data.\n", filename);
+
+    if ((res = dmReadDataFile(NULL, filename, &dataBuf, &dataSize)) != DMERR_OK)
+    {
+        dmErrorMsg("No such palette '%s', and no such file found (%s).\n",
+            filename, dmErrorStr(res));
+        goto done;
+    }
+
+    if ((res = dmf_open_memio(NULL, filename, dataBuf, dataSize, &fp)) != DMERR_OK)
+    {
+        dmErrorMsg("Could not create MemIO handle for input.\n");
+        goto done;
+    }
+
+    if (dmImageProbeGeneric(dataBuf, dataSize, &ifmt, &index) > 0 &&
+        ifmt->read != NULL)
+    {
+        dmMsg(1, "Probed image format %s (%s)\n",
+            ifmt->name, ifmt->fext);
+
+        res = ifmt->read(fp, &inImage);
+        if (res != DMERR_OK)
+        {
+            dmErrorMsg("Could not read image file: %s\n",
+                dmErrorStr(res));
+            goto done;
+        }
+
+        res = dmPaletteCopy(ppal, inImage->pal);
+    }
+    else
+    if (dmPaletteProbeGeneric(dataBuf, dataSize, &pfmt, &index) > 0 &&
+        pfmt->read != NULL)
+    {
+        dmMsg(1, "Probed palette format %s (%s)\n",
+            pfmt->name, pfmt->fext);
+
+        res = pfmt->read(fp, ppal);
+    }
+    else
+    {
+        res = DMERR_NOT_SUPPORTED;
+        dmErrorMsg("Not an internal palette or recognized palette file '%s'.\n",
+            filename);
+    }
+
+done:
+    dmf_close(fp);
+    dmImageFree(inImage);
+    dmFree(dataBuf);
+
+    return res;
+}