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From 94b2d0b50a3a231ef91319e8e633b7ea62f0e2db Mon Sep 17 00:00:00 2001
From: Roy Tam <roytam@gmail.com>
Date: Mon, 28 Apr 2025 12:57:34 -0700
Subject: [PATCH] Handle Microsoft ZIP64 files by ignoring invalid "Total
number of disks" field
---
process.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/process.c b/process.c
index a7d5b87..b385f1e 100644
--- a/process.c
+++ b/process.c
@@ -1281,7 +1281,7 @@ static int find_ecrec64(__G__ searchlen) /* return PK-class error */
fprintf(stdout,"\nnumber of disks (ECR) %u, (ECLOC64) %lu\n",
G.ecrec.number_this_disk, ecloc64_total_disks); fflush(stdout);
#endif
- if ((G.ecrec.number_this_disk != 0xFFFF) &&
+ if ((G.ecrec.number_this_disk != 0xFFFF) && ecloc64_total_disks &&
(G.ecrec.number_this_disk != ecloc64_total_disks - 1)) {
/* Note: For some unknown reason, the developers at PKWARE decided to
store the "zip64 total disks" value as a counter starting from 1,
--
2.45.2
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