From 17ca6402d34caedae3c1a6110a87820dd37b7883 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sat, 29 Jan 2022 04:25:55 -0500
Subject: [PATCH] add instrument read error messages

---
 src/engine/engine.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index 48fea3af3..8d9923862 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -4299,30 +4299,36 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
   warnings="";
   FILE* f=ps_fopen(path,"rb");
   if (f==NULL) {
+    lastError=strerror(errno);
     return false;
   }
   unsigned char* buf;
   ssize_t len;
   if (fseek(f,0,SEEK_END)!=0) {
+    lastError=strerror(errno);
     fclose(f);
     return false;
   }
   len=ftell(f);
   if (len<0) {
+    lastError=strerror(errno);
     fclose(f);
     return false;
   }
   if (len==0) {
+    lastError=strerror(errno);
     fclose(f);
     return false;
   }
   if (fseek(f,0,SEEK_SET)!=0) {
+    lastError=strerror(errno);
     fclose(f);
     return false;
   }
   buf=new unsigned char[len];
   if (fread(buf,1,len,f)!=(size_t)len) {
     logW("did not read entire instrument file buffer!\n");
+    lastError="did not read entire instrument file!";
     delete[] buf;
     return false;
   }