1 files changed, 7 insertions, 0 deletions

diff --git a/xdelta3/xdelta3-main.h b/xdelta3/xdelta3-main.h
index e7ce493..ede5e73 100644
--- a/xdelta3/xdelta3-main.h
+++ b/xdelta3/xdelta3-main.h
@@ -856,6 +856,8 @@ main_file_open (main_file *xfile, const char* name, int mode)
       return XD3_INVALID;
     }
 
+  IF_DEBUG1(DP(RINT "[main] open source %s\n", name));
+
 #if XD3_STDIO
   xfile->file = fopen (name, XOPEN_STDIO);
 
@@ -1027,6 +1029,7 @@ main_file_read (main_file  *ifile,
                 const char *msg)
 {
   int ret = 0;
+  IF_DEBUG1(DP(RINT "[main] read %s up to %"Z"u\n", ifile->filename, size));
 
 #if XD3_STDIO
   size_t result;
@@ -1067,6 +1070,8 @@ main_file_write (main_file *ofile, uint8_t *buf, usize_t size, const char *msg)
 {
   int ret = 0;
 
+  IF_DEBUG1(DP(RINT "[main] write %u\n bytes", size));
+  
 #if XD3_STDIO
   usize_t result;
 
@@ -1136,6 +1141,8 @@ main_write_output (xd3_stream* stream, main_file *ofile)
 {
   int ret;
 
+  IF_DEBUG1(DP(RINT "[main] write(%s) %u\n bytes", ofile->filename, stream->avail_out));
+
   if (option_no_output)
     {
       return 0;