File bsc1129403-prevent-division-by-zero.patch of Package zziplib

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File bsc1129403-prevent-division-by-zero.patch of Package zziplib (Revision 67894e3cc68c3f74c4e81b4be591fddd)

Currently displaying revision 67894e3cc68c3f74c4e81b4be591fddd , Show latest

Index: zziplib-0.13.69/bins/unzip-mem.c
===================================================================
--- zziplib-0.13.69.orig/bins/unzip-mem.c
+++ zziplib-0.13.69/bins/unzip-mem.c
@@ -231,9 +231,12 @@ static void zzip_mem_entry_direntry(ZZIP
     if (*name == '\n') name++;
 
     if (option_verbose) {
+	long percentage;
+
+	percentage = usize ? (L (100 - (csize*100/usize))) : 0;	/* 0% 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", 
Index: zziplib-0.13.69/test/zziptests.py
===================================================================
--- zziplib-0.13.69.orig/test/zziptests.py
+++ zziplib-0.13.69/test/zziptests.py
@@ -3429,6 +3429,26 @@ class ZZipTest(unittest.TestCase):
     txt = open(txtfile).read()
     self.assertEqual(txt.split("\n"), run.output.split("\n"))
     
+  def test_65485_list_verbose_compressed_with_directory(self):
+    """ verbously list a zipfile containing directories """
+    tmpdir = self.testdir()
+    workdir = tmpdir + "/d"
+    zipname = "ZIPfile"
+    os.makedirs(workdir)
+    f= open(tmpdir + "/d/file","w+")
+    for i in range(10):
+      f.write("This is line %d\r\n" % (i+1))
+    f.close()
+    # create the ZIPfile
+    exe=self.bins("zzip")
+    run = shell("chdir {tmpdir} && ../{exe} -9 {zipname}.zip d".format(**locals()))
+    self.assertFalse(run.returncode)
+    # list the ZIPfile
+    exe=self.bins("unzip-mem");
+    run = shell("chdir {tmpdir} && ../{exe} -v {zipname}.zip".format(**locals()))
+    self.assertFalse(run.returncode)
+    self.rm_testdir()
+
   def test_99000_make_test1w_zip(self):
     """ create a test1w.zip using zzip/write functions. """
     exe=self.bins("zzip")

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File bsc1129403-prevent-division-by-zero.patch of Package zziplib (Revision 67894e3cc68c3f74c4e81b4be591fddd)

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