Initial Alpine Version

1 files changed, 43 insertions, 0 deletions

diff --git a/imap/src/osdep/unix/truncate.c b/imap/src/osdep/unix/truncate.c
new file mode 100644
index 00000000..3dde1072
--- /dev/null
+++ b/imap/src/osdep/unix/truncate.c
@@ -0,0 +1,43 @@
+/* ========================================================================
+ * Copyright 1988-2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 
+ * ========================================================================
+ */
+
+/*
+ * Program:	Truncate a file
+ *
+ * Author:	Mark Crispin
+ *		Networks and Distributed Computing
+ *		Computing & Communications
+ *		University of Washington
+ *		Administration Building, AG-44
+ *		Seattle, WA  98195
+ *		Internet: MRC@CAC.Washington.EDU
+ *
+ * Date:	30 June 1994
+ * Last Edited:	30 August 2006
+ */
+
+/* Emulator for ftruncate() call
+ * Accepts: file descriptor
+ *	    length
+ * Returns: 0 if success, -1 if failure
+ */
+
+int ftruncate (int fd,off_t length)
+{
+  struct flock fb;
+  fb.l_whence = 0;
+  fb.l_len = 0;
+  fb.l_start = length;
+  fb.l_type = F_WRLCK;		/* write lock on file space */
+  return fcntl (fd,F_FREESP,&fb);
+}