From 8eae303da02e51d846f8aad53ee9eb40eb19dc10 Mon Sep 17 00:00:00 2001
From: Emmanuel Fleury <emmanuel.fleury@u-bordeaux.fr>
Date: Fri, 1 Feb 2019 20:46:10 +0100
Subject: [PATCH] Fix signedness in glib/gmappedfile.c
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glib/gmappedfile.c: In function ‘mapped_file_new_from_fd’:
glib/gmappedfile.c:153:18: error: comparison of integer expressions of different signedness: ‘__off_t’ {aka ‘long int’} and ‘long unsigned int’ [-Werror=sign-compare]
   if (st.st_size > G_MAXSIZE)
                  ^
---
 glib/gmappedfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/glib/gmappedfile.c b/glib/gmappedfile.c
index d180a9a4d..36e7ca5a8 100644
--- a/glib/gmappedfile.c
+++ b/glib/gmappedfile.c
@@ -150,7 +150,7 @@ mapped_file_new_from_fd (int           fd,
   file->contents = MAP_FAILED;
 
 #ifdef HAVE_MMAP
-  if (st.st_size > G_MAXSIZE)
+  if (sizeof (st.st_size) > sizeof (gsize) && st.st_size > (off_t) G_MAXSIZE)
     {
       errno = EINVAL;
     }