This change makes it considerably easier to debug issues in UI applications
which don't necessarily have a console connected to stderr.
Outputting to the debugger shouldn't occur in normal situations so
this change has to be explicitly enabled by a build-time config flag.
---
libusb/core.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/libusb/core.c b/libusb/core.c
index 53f716f..c567398 100644
--- a/libusb/core.c
+++ b/libusb/core.c
@@ -2019,6 +2019,16 @@ int usbi_gettimeofday(struct timeval *tp, void *tzp)
static void usbi_log_str(struct libusb_context *ctx, const char * str)
{
+#ifdef ENABLE_DEBUG_LOGGING
+#if defined(OS_WINDOWS)
+ OutputDebugStringA(str);
+#elif defined(OS_WINCE)
+ /* Windows CE only supports the unicode version of OutputDebugString. */
+ WCHAR wbuf[USBI_MAX_LOG_LEN];
+ MultiByteToWideChar(CP_ACP, 0, str, -1, wbuf, sizeof(wbuf));
+ OutputDebugStringW(wbuf);
+#endif
+#endif /* ENABLE_DEBUG_LOGGING */
UNUSED(ctx);
fprintf(stderr, str);
}
--
1.7.9.5
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