zziplib/backport-0003-CVE-2020-18442.patch
2021-06-25 09:51:47 +08:00

35 lines
1.1 KiB
Diff

From d453977f59ca59c61bf59dec28dd724498828f2a Mon Sep 17 00:00:00 2001
From: Guido Draheim <guidod@gmx.de>
Date: Mon, 4 Jan 2021 21:51:12 +0100
Subject: [PATCH 03/35] #68 return value of zzip_entry_fread is signed
---
bins/unzzipcat-big.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/bins/unzzipcat-big.c b/bins/unzzipcat-big.c
index 111ef47..ecebe11 100644
--- a/bins/unzzipcat-big.c
+++ b/bins/unzzipcat-big.c
@@ -26,7 +26,7 @@ static void unzzip_big_entry_fprint(ZZIP_ENTRY* entry, FILE* out)
if (file)
{
char buffer[1024]; int len;
- while ((len = zzip_entry_fread (buffer, 1024, 1, file)))
+ while (0 < (len = zzip_entry_fread (buffer, 1024, 1, file)))
{
DBG2("entry read %i", len);
fwrite (buffer, len, 1, out);
@@ -45,7 +45,7 @@ static void unzzip_cat_file(FILE* disk, char* name, FILE* out)
if (file)
{
char buffer[1024]; int len;
- while ((len = zzip_entry_fread (buffer, 1024, 1, file)))
+ while (0 < (len = zzip_entry_fread (buffer, 1024, 1, file)))
fwrite (buffer, len, 1, out);
zzip_entry_fclose (file);
--
1.8.3.1