-/* Copyright (c) 1998-2013 Free Software Foundation, Inc.
+/* Copyright (c) 1998-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
Copyright (C) %s Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
-"), "2013");
+"), "2015");
fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk");
}
if (proto != NULL)
*proto++ = '\0';
- if (isdigit (key[i][0]))
- serv = getservbyport (htons (atol (key[i])), proto);
+ char *endptr;
+ long port = strtol (key[i], &endptr, 10);
+
+ if (isdigit (key[i][0]) && *endptr == '\0'
+ && 0 <= port && port <= 65535)
+ serv = getservbyport (htons (port), proto);
else
serv = getservbyname (key[i], proto);