James Hawkins : kernel32: Trace the modified buffer on error.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 39732cf92780e19a2eb599d453c47b980d3428ec
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=39732cf92780e19a2eb599d453c47b980d3428ec

Author: James Hawkins <jhawkins at codeweavers.com>
Date:   Thu Aug 28 21:14:11 2008 -0500

kernel32: Trace the modified buffer on error.

---

 dlls/kernel32/tests/environ.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/dlls/kernel32/tests/environ.c b/dlls/kernel32/tests/environ.c
index e6dd1fc..ad3734f 100644
--- a/dlls/kernel32/tests/environ.c
+++ b/dlls/kernel32/tests/environ.c
@@ -24,6 +24,13 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winerror.h"
+#include "winnls.h"
+
+static CHAR string[MAX_PATH];
+#define ok_w(res, format, szString) \
+\
+    WideCharToMultiByte(CP_ACP, 0, szString, -1, string, MAX_PATH, NULL, NULL); \
+    ok(res, format, string);
 
 static BOOL (WINAPI *pGetComputerNameExA)(COMPUTER_NAME_FORMAT,LPSTR,LPDWORD);
 static BOOL (WINAPI *pGetComputerNameExW)(COMPUTER_NAME_FORMAT,LPWSTR,LPDWORD);
@@ -156,7 +163,7 @@ static void test_GetSetEnvironmentVariableW(void)
 
     lstrcpyW(buf, fooW);
     ret_size = GetEnvironmentVariableW(name, buf, lstrlenW(value));
-    ok(lstrcmpW(buf, fooW) == 0, "should not touch the buffer\n");
+    ok_w(lstrcmpW(buf, fooW) == 0, "should not touch the buffer: %s\n", buf);
 
     ok(ret_size == lstrlenW(value) + 1,
        "should return length with terminating 0 ret_size=%d\n", ret_size);