Fix underflow, incorrect assertion.

[wget] / src / ftp-ls.c

diff --git a/src/ftp-ls.c b/src/ftp-ls.c
index 062d57e36f71f89ab21f5635333adedc615c5bee..660302e5b33a51ad8178a3bf30181b4cef47c5d4 100644 (file)
--- a/src/ftp-ls.c
+++ b/src/ftp-ls.c
@@ -1,5 +1,6 @@
 /* Parsing FTP `ls' output.
-   Copyright (C) 1996-2004 Free Software Foundation, Inc. 
+   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+   2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. 
 
 This file is part of GNU Wget.
 
@@ -16,17 +17,18 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with Wget.  If not, see <http://www.gnu.org/licenses/>.
 
-In addition, as a special exception, the Free Software Foundation
-gives permission to link the code of its release of Wget with the
-OpenSSL project's "OpenSSL" library (or with modified versions of it
-that use the same license as the "OpenSSL" library), and distribute
-the linked executables.  You must obey the GNU General Public License
-in all respects for all of the code used other than "OpenSSL".  If you
-modify this file, you may extend this exception to your version of the
-file, but you are not obligated to do so.  If you do not wish to do
-so, delete this exception statement from your version.  */
+Additional permission under GNU GPL version 3 section 7
 
-#include <config.h>
+If you modify this program, or any covered work, by linking or
+combining it with the OpenSSL project's OpenSSL library (or a
+modified version of that library), containing parts covered by the
+terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
+grants you additional permission to convey the resulting work.
+Corresponding Source for a non-source form of such a combination
+shall include the source code for the parts of OpenSSL used as well
+as that of the covered work.  */
+
+#include "wget.h"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -36,8 +38,6 @@ so, delete this exception statement from your version.  */
 #endif
 #include <errno.h>
 #include <time.h>
-
-#include "wget.h"
 #include "utils.h"
 #include "ftp.h"
 #include "url.h"
@@ -75,6 +75,7 @@ clean_line(char *line)
   if (!len) return 0; 
   if (line[len - 1] == '\n')
     line[--len] = '\0';
+  if (!len) return 0; 
   if (line[len - 1] == '\r')
     line[--len] = '\0';
   for ( ; *line ; line++ ) if (*line == '\t') *line = ' '; 
@@ -251,10 +252,10 @@ ftp_parse_unix_ls (const char *file, int ignore_perms)
               year = 0;
               min = hour = sec = 0;
               /* We must deal with digits.  */
-              if (ISDIGIT (*tok))
+              if (c_isdigit (*tok))
                 {
                   /* Suppose it's year.  */
-                  for (; ISDIGIT (*tok); tok++)
+                  for (; c_isdigit (*tok); tok++)
                     year = (*tok - '0') + 10 * year;
                   if (*tok == ':')
                     {
@@ -263,13 +264,13 @@ ftp_parse_unix_ls (const char *file, int ignore_perms)
                       year = 0;
                       ++tok;
                       /* Get the minutes...  */
-                      for (; ISDIGIT (*tok); tok++)
+                      for (; c_isdigit (*tok); tok++)
                         min = (*tok - '0') + 10 * min;
                       if (*tok == ':')
                         {
                           /* ...and the seconds.  */
                           ++tok;
-                          for (; ISDIGIT (*tok); tok++)
+                          for (; c_isdigit (*tok); tok++)
                             sec = (*tok - '0') + 10 * sec;
                         }
                     }
@@ -894,7 +895,8 @@ ftp_index (const char *file, struct url *u, struct fileinfo *f)
             "Jan", "Feb", "Mar", "Apr", "May", "Jun",
             "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
           };
-          struct tm *ptm = localtime ((time_t *)&f->tstamp);
+          time_t tstamp = f->tstamp;
+          struct tm *ptm = localtime (&tstamp);
 
           fprintf (fp, "%d %s %02d ", ptm->tm_year + 1900, months[ptm->tm_mon],
                   ptm->tm_mday);