From 5c0d30fbd73ee5e9f080d0763ec08eb68fe69314 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers3@gmail.com>
Date: Wed, 24 Apr 2013 22:26:33 -0500
Subject: [PATCH] Win32: Show at most 5 hard linking warnings

---
 src/wimlib_internal.h | 13 ++++++++-----
 src/win32.c           | 14 ++++++++++----
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/src/wimlib_internal.h b/src/wimlib_internal.h
index bde430f1..5e390efe 100644
--- a/src/wimlib_internal.h
+++ b/src/wimlib_internal.h
@@ -553,18 +553,21 @@ struct apply_args {
 			struct _ntfs_volume *vol;
 		};
 	#endif
-		struct {
-			/* Normal apply only (UNIX) */
-			unsigned long num_utime_warnings;
-		};
-
+	#ifdef __WIN32__
 		struct {
 			/* Normal apply only (Win32) */
 			unsigned long num_set_sacl_priv_notheld;
 			unsigned long num_set_sd_access_denied;
 			unsigned vol_flags;
+			unsigned long num_hard_links_failed;
 			bool have_vol_flags;
 		};
+	#else
+		struct {
+			/* Normal apply only (UNIX) */
+			unsigned long num_utime_warnings;
+		};
+	#endif
 	};
 };
 
diff --git a/src/win32.c b/src/win32.c
index 4a9e8bec..10f28b3d 100644
--- a/src/win32.c
+++ b/src/win32.c
@@ -46,6 +46,7 @@
 
 #define MAX_GET_SD_ACCESS_DENIED_WARNINGS 1
 #define MAX_GET_SACL_PRIV_NOTHELD_WARNINGS 1
+#define MAX_CREATE_HARD_LINK_WARNINGS 5
 struct win32_capture_state {
 	unsigned long num_get_sd_access_denied;
 	unsigned long num_get_sacl_priv_notheld;
@@ -1858,10 +1859,15 @@ win32_do_apply_dentry(const wchar_t *output_path,
 			win32_error(err);
 			return WIMLIB_ERR_LINK;
 		} else {
-			WARNING("Can't create hard link \"%ls => %ls\":\n"
-				"          Volume does not support hard links!\n"
-				"          Falling back to extracting a copy of the file.",
-				output_path, inode->i_extracted_file);
+			args->num_hard_links_failed++;
+			if (args->num_hard_links_failed < MAX_CREATE_HARD_LINK_WARNINGS) {
+				WARNING("Can't create hard link \"%ls => %ls\":\n"
+					"          Volume does not support hard links!\n"
+					"          Falling back to extracting a copy of the file.",
+					output_path, inode->i_extracted_file);
+			} else if (args->num_hard_links_failed == MAX_CREATE_HARD_LINK_WARNINGS) {
+				WARNING("Suppressing further hard linking warnings...");
+			}
 		}
 	}
 
-- 
2.43.0