[Fedora-livecd-list] imgcreate/fs.py

[Bruno Wolff III]

 imgcreate/fs.py |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

New commits:
commit a5c394bb526de9090bb82c2703e29785ec3f254f
Author: Bruno Wolff III <bruno at wolff.to>
Date:   Sat Sep 11 13:32:53 2010 -0500

    Don't create sparse files one byte too large.
    
    Bug 579769.

diff --git a/imgcreate/fs.py b/imgcreate/fs.py
index c8df085..9f9d8ea 100644
--- a/imgcreate/fs.py
+++ b/imgcreate/fs.py
@@ -310,7 +310,9 @@ class SparseLoopbackDisk(LoopbackDisk):
         logging.debug("Extending sparse file %s to %d" % (self.lofile, size))
         fd = os.open(self.lofile, flags)
 
-        os.lseek(fd, size, 0)
+        if size <= 0:
+            size = 1
+        os.lseek(fd, size-1, 0)
         os.write(fd, '\x00')
         os.close(fd)