From a2a967fbe8725992cefa92635fe14735cbff3eb3 Mon Sep 17 00:00:00 2001
From: robertl <robertl@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Date: Sun, 16 May 2010 23:20:46 +0000
Subject: [PATCH] Improve delbin error message in Windows.

git-svn-id: http://gpsbabel.googlecode.com/svn/trunk@3937 f51c46e8-681c-474f-0cfe-069cfd0219fb
---
 gpsbabel/delbin.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/gpsbabel/delbin.c b/gpsbabel/delbin.c
index 2da29184e..a527f6e84 100644
--- a/gpsbabel/delbin.c
+++ b/gpsbabel/delbin.c
@@ -2371,11 +2371,12 @@ win_os_deinit(void)
 static unsigned
 win_os_packet_read(void* buf)
 {
-	unsigned n;
+	DWORD n;
 	char buf1[257];
 	// first byte is report id
 	if (ReadFile(hid_handle, buf1, delbin_os_packet_size + 1, &n, NULL) == 0) {
-		fatal(MYNAME ": ReadFile failed %u\n", GetLastError());
+		unsigned err = GetLastError();
+		fatal(MYNAME ": ReadFile failed %u\n", err);
 	}
 	if (n > 0) {
 		n--;
@@ -2387,13 +2388,15 @@ win_os_packet_read(void* buf)
 static unsigned
 win_os_packet_write(const void* buf, unsigned size)
 {
-	unsigned n;
+	DWORD n;
 	char buf1[257];
 	// first byte is report id
 	buf1[0] = 0;
 	memcpy(buf1 + 1, buf, size);
 	if (WriteFile(hid_handle, buf1, delbin_os_packet_size + 1, &n, NULL) == 0) {
-		fatal(MYNAME ": WriteFile failed %u\n", GetLastError());
+		unsigned err = GetLastError();
+		fatal(MYNAME ": WriteFile of %u bytes failed with %u.  Size: %u Wrote: %d\n", 
+			delbin_os_packet_size + 1, err, size, (int) n);
 	}
 	if (n > size) {
 		n = size;
-- 
2.30.2