# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1425564880 -7200
# Node ID 5d20c80df290a0a803a908454ce71c938ca5dee2
# Parent  0ee6ba7b3e4a1aaf72267711391d59b9a59cef97
Improve probing.

diff -r 0ee6ba7b3e4a -r 5d20c80df290 minijss/jloadjss.c
--- a/minijss/jloadjss.c	Thu Mar 05 16:02:02 2015 +0200
+++ b/minijss/jloadjss.c	Thu Mar 05 16:14:40 2015 +0200
@@ -329,11 +329,17 @@
 
     if (jssH.idVersion != JSSMOD_VERSION)
     {
+        if (probe)
+            return DMERR_VERSION;
+        else
         JSSERROR(DMERR_VERSION, DMERR_VERSION,
         "Unsupported version of JSSMOD 0x%4x, this version only supports 0x%4x!\n",
         jssH.idVersion, JSSMOD_VERSION);
     }
 
+    if (probe)
+        return DMERR_OK;
+
     // Allocate the module
     module = jssAllocateModule();
     if (module == NULL)
diff -r 0ee6ba7b3e4a -r 5d20c80df290 minijss/jloadxm.c
--- a/minijss/jloadxm.c	Thu Mar 05 16:02:02 2015 +0200
+++ b/minijss/jloadxm.c	Thu Mar 05 16:14:40 2015 +0200
@@ -915,12 +915,14 @@
 
     if (xmH.unUsed1A != 0x1a)
     {
+        if (!probe)
         JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA,
         "Possibly modified or corrupted XM [%x]\n", xmH.unUsed1A);
     }
 
     if (xmH.norders > XM_MaxOrders)
     {
+        if (!probe)
         JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA,
         "Number of orders %d > %d, possibly broken module.\n",
         xmH.norders, XM_MaxOrders);
@@ -929,12 +931,14 @@
 
     if (xmH.norders == 0)
     {
+        if (!probe)
         JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA,
         "Number of orders was zero.\n");
     }
 
     if (xmH.npatterns > XM_MaxPatterns)
     {
+        if (!probe)
         JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA,
         "Number of patterns %d > %d, possibly broken module.\n",
         xmH.npatterns, XM_MaxPatterns);
@@ -943,6 +947,7 @@
 
     if (xmH.npatterns == 0)
     {
+        if (!probe)
         JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA,
         "Number of patterns was zero.\n");
     }
@@ -956,6 +961,7 @@
 
     if (xmH.ninstruments <= 0 || xmH.ninstruments > XM_MaxInstruments)
     {
+        if (!probe)
         JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA,
         "Number of instruments was invalid, %d (should be 1 - %d).\n",
         xmH.ninstruments, XM_MaxInstruments);
@@ -963,6 +969,9 @@
 
     if (xmH.headSize < XM_HeaderSize)
     {
+        if (probe)
+            return DMERR_NOT_SUPPORTED;
+        else
         JSSERROR(DMERR_NOT_SUPPORTED, DMERR_NOT_SUPPORTED,
         "XM header size less than %d bytes (%d bytes).\n",
         XM_HeaderSize, xmH.headSize);
@@ -975,6 +984,7 @@
             break;
 
         default:
+            if (!probe)
             JSSWARNING(DMERR_NOT_SUPPORTED, DMERR_NOT_SUPPORTED,
             "Unsupported version of XM format 0x%04x.\n",
             xmH.version);
@@ -994,6 +1004,9 @@
         dmfseek(inFile, xmH.headSize - XM_HeaderSize, SEEK_CUR);
     }
 
+    if (probe)
+        return DMERR_OK;
+
     /* Okay, allocate a module structure
      */
     module = jssAllocateModule();