From 5866ee2f1560e27dff4d60f09429818ab8401333 Mon Sep 17 00:00:00 2001
From: Dmitri Pal <dpal@redhat.com>
Date: Sun, 18 Mar 2012 14:56:44 -0400
Subject: Function to check for changes

Added function to detect changes to the configuration file.
---
 ini/ini_configobj.h |  4 ++--
 ini/ini_fileobj.c   | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/ini/ini_configobj.h b/ini/ini_configobj.h
index eccad71..913b91e 100644
--- a/ini/ini_configobj.h
+++ b/ini/ini_configobj.h
@@ -335,8 +335,8 @@ int ini_config_access_check(struct ini_cfgfile *file_ctx,
  * - device ID
  * - i-node
  */
-int ini_config_changed(struct ini_cfgfile *file_ctx,
-                       struct ini_cfgfile *file_ctx_saved,
+int ini_config_changed(struct ini_cfgfile *file_ctx1,
+                       struct ini_cfgfile *file_ctx2,
                        int *changed);
 
 
diff --git a/ini/ini_fileobj.c b/ini/ini_fileobj.c
index 5764933..552cedd 100644
--- a/ini/ini_fileobj.c
+++ b/ini/ini_fileobj.c
@@ -484,3 +484,37 @@ int ini_config_access_check(struct ini_cfgfile *file_ctx,
     return EOK;
 
 }
+
+/* Determins if two file contexts are different by comparing:
+ * - time stamp
+ * - device ID
+ * - i-node
+ */
+int ini_config_changed(struct ini_cfgfile *file_ctx1,
+                       struct ini_cfgfile *file_ctx2,
+                       int *changed)
+{
+    TRACE_FLOW_ENTRY();
+
+    if ((file_ctx1 == NULL) ||
+        (file_ctx2 == NULL) ||
+        (changed == NULL)) {
+        TRACE_ERROR_NUMBER("Invalid parameter.", EINVAL);
+        return EINVAL;
+    }
+
+    *changed = 0;
+
+    if((file_ctx1->file_stats.st_mtime !=
+        file_ctx2->file_stats.st_mtime) ||
+       (file_ctx1->file_stats.st_dev !=
+        file_ctx2->file_stats.st_dev) ||
+       (file_ctx1->file_stats.st_ino !=
+        file_ctx2->file_stats.st_ino)) {
+        TRACE_INFO_STRING("File changed!", "");
+        *changed = 1;
+    }
+
+    TRACE_FLOW_EXIT();
+    return EOK;
+}
-- 
cgit