New function, only write out the ibex if it has changed.

2000-05-07  NotZed  <NotZed@HelixCode.com>

        * file.c (ibex_save): New function, only write out the ibex if it
        has changed.

svn path=/trunk/; revision=2868

3 files changed, 24 insertions, 0 deletions

diff --git a/libibex/ChangeLog b/libibex/ChangeLog
index 016416574f..27661d3012 100644
--- a/libibex/ChangeLog
+++ b/libibex/ChangeLog
@@ -1,3 +1,8 @@
+2000-05-07  NotZed  <NotZed@HelixCode.com>
+
+	* file.c (ibex_save): New function, only write out the ibex if it
+	has changed.
+
 2000-05-07    <notzed@helixcode.com>
 
 	* file.c (ibex_open): Also close the fd after we're done.
diff --git a/libibex/file.c b/libibex/file.c
index 462fbec3d4..c419360e26 100644
--- a/libibex/file.c
+++ b/libibex/file.c
@@ -347,6 +347,22 @@ lose:
 }
 
 /**
+ * ibex_save:
+ * @ib: 
+ * 
+ * Only write out an ibex if it is dirty.
+ * 
+ * Return value: Same as ibex_write.
+ **/
+int
+ibex_save (ibex *ib)
+{
+	if (ib->dirty)
+		return ibex_write(ib);
+	return 0;
+}
+
+/**
  * ibex_close: Write out the ibex file (if it has changed) and free
  * the data associated with it.
  * @ib: the ibex
diff --git a/libibex/ibex.h b/libibex/ibex.h
index 646853b120..03635e275d 100644
--- a/libibex/ibex.h
+++ b/libibex/ibex.h
@@ -41,6 +41,9 @@ ibex *ibex_open (char *file, int flags, int mode);
 /* Write the ibex to disk. */
 int ibex_write (ibex *ib);
 
+/* only save if ibex has changed. */
+int ibex_save (ibex *ib);
+
 /* Write the ibex to disk if it has changed, and free all memory
  * associated with it.
  */