From 4fd0c29d35304277091d128b65fd81401bcc9114 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sun, 15 Aug 2004 12:09:57 +0000
Subject: [PATCH] Added sync_dir().

---
 lib/Makefile |  3 ++-
 lib/lib.h    |  4 ++++
 lib/sync.c   | 24 ++++++++++++++++++++++++
 3 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 lib/sync.c

diff --git a/lib/Makefile b/lib/Makefile
index f3e0529c..df0d046a 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -22,7 +22,8 @@ LIBSH_MODS= \
 	mainloop exitstatus runcmd sighandler \
 	lizard lizard-safe adler32 \
 	md5 md5hex \
-	base64 base224
+	base64 base224 \
+	sync
 
 ifdef CONFIG_OWN_REGEX
 include lib/regex/Makefile
diff --git a/lib/lib.h b/lib/lib.h
index c58d83da..2a106e7f 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -207,6 +207,10 @@ void echo_command_v(byte *buf, int size, byte *cmd, va_list args);
 int careful_read(int fd, void *buf, int len);
 int careful_write(int fd, void *buf, int len);
 
+/* sync.c */
+
+void sync_dir(byte *name);
+
 /* sighandler.c */
 
 typedef int (*sh_sighandler_t)(int);
diff --git a/lib/sync.c b/lib/sync.c
new file mode 100644
index 00000000..76bd5901
--- /dev/null
+++ b/lib/sync.c
@@ -0,0 +1,24 @@
+/*
+ *	Sherlock Library -- Syncing Directories
+ *
+ *	(c) 2004 Martin Mares <mj@ucw.cz>
+ */
+
+#include "lib/lib.h"
+
+#include <fcntl.h>
+#include <unistd.h>
+
+void
+sync_dir(byte *name)
+{
+  int fd = open(name, O_RDONLY | O_DIRECTORY);
+  if (fd < 0)
+    goto err;
+  int err = fsync(fd);
+  close(fd);
+  if (err >= 0)
+    return;
+ err:
+  log(L_ERROR, "Unable to sync directory %s: %m", name);
+}
-- 
2.39.2