From 73dcf2876fecab9adba9ec9bc148ccbab431af12 Mon Sep 17 00:00:00 2001
From: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Date: Tue, 12 Jan 2010 16:39:25 +0000
Subject: [PATCH] msvc: Fix some "unreferenced formal parameter" warnings

Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
---
 src/cc-compat.h      | 6 ++++++
 src/fileops.h        | 3 +++
 tests/t0020-dirent.c | 2 ++
 3 files changed, 11 insertions(+)

diff --git a/src/cc-compat.h b/src/cc-compat.h
index aefe66d19..5071d5322 100644
--- a/src/cc-compat.h
+++ b/src/cc-compat.h
@@ -40,6 +40,12 @@
 # endif
 #endif
 
+#if defined(_MSC_VER)
+#define GIT_UNUSED_ARG(x) ((void)(x)); /* note trailing ; */
+#else
+#define GIT_UNUSED_ARG(x)
+#endif
+
 /*
  * Does our compiler/platform support the C99 <inttypes.h> and
  * <stdint.h> header files. (C99 requires that <inttypes.h>
diff --git a/src/fileops.h b/src/fileops.h
index c5c58a0da..53495ca95 100644
--- a/src/fileops.h
+++ b/src/fileops.h
@@ -15,12 +15,15 @@
 #ifdef GIT_WIN32
 GIT_INLINE(int) link(const char *GIT_UNUSED(old), const char *GIT_UNUSED(new))
 {
+	GIT_UNUSED_ARG(old)
+	GIT_UNUSED_ARG(new)
 	errno = ENOSYS;
 	return -1;
 }
 
 GIT_INLINE(int) git__mkdir(const char *path, int GIT_UNUSED(mode))
 {
+	GIT_UNUSED_ARG(mode)
 	return mkdir(path);
 }
 
diff --git a/tests/t0020-dirent.c b/tests/t0020-dirent.c
index 334fff149..399b7d5ee 100644
--- a/tests/t0020-dirent.c
+++ b/tests/t0020-dirent.c
@@ -186,6 +186,8 @@ static walk_data empty = {
 
 static int dont_call_me(void *GIT_UNUSED(state), char *GIT_UNUSED(path))
 {
+	GIT_UNUSED_ARG(state)
+	GIT_UNUSED_ARG(path)
 	test_die("dont_call_me: unexpected callback!");
 }