From af555317b9fcd536f83445cf53b639e64a9da8aa Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Sun, 6 Aug 2017 15:58:39 -0400
Subject: [PATCH] Fixed compiler warnings on Visual Studio.

---
 src/physfs.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/physfs.c b/src/physfs.c
index 3f7efe1f..60ba2b17 100644
--- a/src/physfs.c
+++ b/src/physfs.c
@@ -2779,8 +2779,10 @@ int PHYSFS_seek(PHYSFS_File *handle, PHYSFS_uint64 pos)
         /* avoid throwing away our precious buffer if seeking within it. */
         PHYSFS_sint64 offset = pos - PHYSFS_tell(handle);
         if ( /* seeking within the already-buffered range? */
-            ((offset >= 0) && (offset <= fh->buffill - fh->bufpos)) /* fwd */
-            || ((offset < 0) && (-offset <= fh->bufpos)) /* backward */ )
+             /* forward? */
+            ((offset >= 0) && (((size_t)offset) <= fh->buffill-fh->bufpos)) ||
+            /* backward? */
+            ((offset < 0) && (((size_t) -offset) <= fh->bufpos)) )
         {
             fh->bufpos += (PHYSFS_uint32) offset;
             return 1; /* successful seek */