Don't use `static char buffer[512]' in pop3d_readline.

 /* GNU Mailutils -- a suite of utilities for electronic mail
-   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
 
    GNU Mailutils is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU General Public License
    along with GNU Mailutils; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA  */
 
 #include "pop3d.h"
 
@@ -151,17 +151,16 @@ pop3d_outf (const char *fmt, ...)
 
 /* Gets a line of input from the client, caller should free() */
 char *
-pop3d_readline (FILE *fp)
+pop3d_readline (char *buffer, int size)
 {
-  static char buffer[512];
   char *ptr;
 
   alarm (daemon_param.timeout);
-  ptr = fgets (buffer, sizeof (buffer), fp);
+  ptr = fgets (buffer, size, ifile);
   alarm (0);
 
   /* We should probably check ferror() too, but if ptr is null we
-     are done anyway;  if (!ptr && ferror(fp)) */
+     are done anyway;  if (!ptr && ferror(ifile)) */
   if (!ptr)
     pop3d_abquit (ERR_NO_OFILE);
 

 /* GNU Mailutils -- a suite of utilities for electronic mail
-   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
 
    GNU Mailutils is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU General Public License
    along with GNU Mailutils; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA  */
 
 #include "pop3d.h"
 
@@ -201,6 +201,7 @@ static int
 pop3d_mainloop (int infile, int outfile)
 {
   int status = OK;
+  char buffer[512];
 
   /* Reset hup to exit.  */
   signal (SIGHUP, pop3d_signal);
@@ -269,7 +270,7 @@ pop3d_mainloop (int infile, int outfile)
 
       fflush (ofile);
       status = OK;
-      buf = pop3d_readline (ifile);
+      buf = pop3d_readline (buffer, sizeof (buffer));
       cmd = pop3d_cmd (buf);
       arg = pop3d_args (buf);
 

 /* GNU Mailutils -- a suite of utilities for electronic mail
-   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
 
    GNU Mailutils is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU General Public License
    along with GNU Mailutils; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA  */
 
 #ifndef _POP3D_H
 #define _POP3D_H	1
@@ -189,7 +189,7 @@ extern int pop3d_list           __P ((const char *));
 extern int pop3d_lock           __P ((void));
 extern int pop3d_noop           __P ((const char *));
 extern int pop3d_quit           __P ((const char *));
-extern char *pop3d_readline     __P ((FILE *));
+extern char *pop3d_readline     __P ((char *, int));
 extern int pop3d_retr           __P ((const char *));
 extern int pop3d_rset           __P ((const char *));
 extern RETSIGTYPE pop3d_sigchld __P ((int));

 /* GNU Mailutils -- a suite of utilities for electronic mail
-   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
 
    GNU Mailutils is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU General Public License
    along with GNU Mailutils; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA  */
 
 #include "pop3d.h"
 
@@ -21,6 +21,7 @@ int
 pop3d_user (const char *arg)
 {
   char *buf, pass[POP_MAXCMDLEN], *tmp, *cmd;
+  char buffer[512];
   int status;
   int lockit = 1;
   struct mu_auth_data *auth_data;
@@ -34,7 +35,7 @@ pop3d_user (const char *arg)
   pop3d_outf ("+OK\r\n");
   fflush (ofile);
 
-  buf = pop3d_readline (ifile);
+  buf = pop3d_readline (buffer, sizeof (buffer));
   cmd = pop3d_cmd (buf);
   tmp = pop3d_args (buf);