From 875d378d39f1fc5f50cdec1bd338dc1a3da0a24b Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Tue, 12 Apr 2022 14:34:59 +0000
Subject: Adapt tclZipfs.c to zlib 1.2.12 (due to the changes in crc32
 handling)

---
 generic/tclZipfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/generic/tclZipfs.c b/generic/tclZipfs.c
index afd3db5..c936a15 100644
--- a/generic/tclZipfs.c
+++ b/generic/tclZipfs.c
@@ -27,7 +27,6 @@
 #define MAP_FILE 0
 #endif /* !MAP_FILE */
 #define NOBYFOUR
-#define crc32tab crc_table[0]
 #ifndef TBLS
 #define TBLS 1
 #endif
@@ -75,6 +74,8 @@
 #include "zutil.h"
 #include "crc32.h"
 
+static const z_crc_t* crc32tab;
+
 /*
 ** We are compiling as part of the core.
 ** TIP430 style zipfs prefix
@@ -1864,6 +1865,7 @@ ZipfsSetup(void)
     Tcl_MutexUnlock(&ZipFSMutex);
 #endif /* TCL_THREADS */
 
+    crc32tab = get_crc_table();
     Tcl_FSRegister(NULL, &zipfsFilesystem);
     Tcl_InitHashTable(&ZipFS.fileHash, TCL_STRING_KEYS);
     Tcl_InitHashTable(&ZipFS.zipHash, TCL_STRING_KEYS);
-- 
cgit v0.12