From fb31167e1135b046527408d6df6b188425f731f6 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Tue, 16 Jun 2015 10:46:56 -0400
Subject: [PATCH] Fixed incorrect logic ("!x != 5" instead of "x != 5").

Thanks to Xian Nox for pointing this out!
---
 docs/CREDITS.txt       | 3 +++
 src/archiver_iso9660.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/docs/CREDITS.txt b/docs/CREDITS.txt
index 2e15f2c8..ea557587 100644
--- a/docs/CREDITS.txt
+++ b/docs/CREDITS.txt
@@ -145,6 +145,9 @@ Bug fixes:
 Bug fixes:
     Michael Bacon
 
+Bug fixes:
+    Xian Nox
+
 pkg-config support:
     Jonas Kulla
 
diff --git a/src/archiver_iso9660.c b/src/archiver_iso9660.c
index 0f0895fb..a6b9a383 100644
--- a/src/archiver_iso9660.c
+++ b/src/archiver_iso9660.c
@@ -553,7 +553,7 @@ static void *ISO9660_openArchive(PHYSFS_Io *io, const char *filename, int forWri
 
     /* Skip system area to magic number in Volume descriptor */
     BAIL_IF_MACRO(!io->seek(io, 32769), ERRPASS, NULL);
-    BAIL_IF_MACRO(!io->read(io, magicnumber, 5) != 5, ERRPASS, NULL);
+    BAIL_IF_MACRO(io->read(io, magicnumber, 5) != 5, ERRPASS, NULL);
     if (memcmp(magicnumber, "CD001", 6) != 0)
         BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, NULL);