From: Josef Moellers <jmoellers@suse.de>
Date: Mon, 1 Apr 2019 14:28:00 +0000 (+0200)
Subject: Prevent division by zero
X-Git-Tag: v0.13.70~6^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=220b12635668fd524f950fd2e5c7635a43a90bdd;p=zziplib

Prevent division by zero
---

diff --git a/bins/unzip-mem.c b/bins/unzip-mem.c
index c45cb72..c576290 100644
--- a/bins/unzip-mem.c
+++ b/bins/unzip-mem.c
@@ -231,9 +231,12 @@ static void zzip_mem_entry_direntry(ZZIP_MEM_ENTRY* entry)
     if (*name == '\n') name++;
 
     if (option_verbose) {
+	long percentage;
+
+	percentage = usize ? (L (100 - (csize*100/usize))) : 100;	/* 100% if file size is 0 */
 	printf("%8li%c %s %8li%c%3li%%  %s  %8lx  %s %s\n", 
 	       L usize, exp, comprlevel[compr], L csize, exp, 
-	       L (100 - (csize*100/usize)),
+	       percentage,
 	       _zzip_ctime(&mtime), crc32, name, comment);
     } else {
 	printf(" %8li%c %s   %s %s\n",