From 9cf80fa640ad09f932c4a3797b53952bd8dae38e Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Tue, 16 Jan 2007 14:06:57 +0000
Subject: [PATCH]   * Don't do the offset sanity check on non-seekable devices.

---
 src/load-fd.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/load-fd.c b/src/load-fd.c
index e42bcb6..74faf78 100644
--- a/src/load-fd.c
+++ b/src/load-fd.c
@@ -169,10 +169,11 @@ static void offset_check(int fd)
 {
     /* Sanity check, can be OK though (for instance with a character device) */
 #ifdef HAVE_LSEEK64
-    if(lseek64_orig(fd, 0, SEEK_CUR) != _zz_getpos(fd))
+    off64_t ret = lseek64_orig(fd, 0, SEEK_CUR);
 #else
-    if(lseek_orig(fd, 0, SEEK_CUR) != _zz_getpos(fd))
+    off_t ret = lseek_orig(fd, 0, SEEK_CUR);
 #endif
+    if(ret != -1 && ret != _zz_getpos(fd))
         debug("warning: offset inconsistency");
 }