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[PATCH] pread bug fix
- From: Hideki IWAMOTO <h-iwamoto at kit dot hi-ho dot ne dot jp>
- To: cygwin-patches at cygwin dot com
- Date: Sun, 20 Aug 2006 03:11:37 +0900
- Subject: [PATCH] pread bug fix
When current file offset is not zero, pread from disk file always fails.
2006-08-20 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
* fhandler_disk_file.cc (fhandler_disk_file::pread): Fix comparison
of return value of lseek.
Index: cygwin/fhandler_disk_file.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/fhandler_disk_file.cc,v
retrieving revision 1.187
diff -u -p -r1.187 fhandler_disk_file.cc
--- cygwin/fhandler_disk_file.cc 10 Aug 2006 08:44:43 -0000 1.187
+++ cygwin/fhandler_disk_file.cc 19 Aug 2006 17:41:53 -0000
@@ -1216,7 +1216,7 @@ fhandler_disk_file::pread (void *buf, si
{
size_t tmp_count = count;
read (buf, tmp_count);
- if (lseek (curpos, SEEK_SET) == 0)
+ if (lseek (curpos, SEEK_SET) >= 0)
res = (ssize_t) tmp_count;
else
res = -1;
----
Hideki IWAMOTO h-iwamoto@kit.hi-ho.ne.jp