rm some magic numbers in ssh_setup_portfwd()

git-svn-id: svn://svn.tartarus.org/sgt/putty@5439 cda61777-01e9-0310-a592-d414129be87e

diff --git a/ssh.c b/ssh.c
index b9d906d..0435dd7 100644 (file)
--- a/ssh.c
+++ b/ssh.c
@@ -3911,7 +3911,7 @@ static void ssh_setup_portfwd(Ssh ssh, const Config *cfg)
                    strcpy(saddr, sports);
                n = 0;
            }
-           if (n < 255) sports[n++] = *portfwd_strptr++;
+           if (n < lenof(sports)-1) sports[n++] = *portfwd_strptr++;
        }
        sports[n] = 0;
        if (type != 'D') {
@@ -3919,14 +3919,14 @@ static void ssh_setup_portfwd(Ssh ssh, const Config *cfg)
                portfwd_strptr++;
            n = 0;
            while (*portfwd_strptr && *portfwd_strptr != ':') {
-               if (n < 255) host[n++] = *portfwd_strptr++;
+               if (n < lenof(host)-1) host[n++] = *portfwd_strptr++;
            }
            host[n] = 0;
            if (*portfwd_strptr == ':')
                portfwd_strptr++;
            n = 0;
            while (*portfwd_strptr) {
-               if (n < 255) dports[n++] = *portfwd_strptr++;
+               if (n < lenof(dports)-1) dports[n++] = *portfwd_strptr++;
            }
            dports[n] = 0;
            portfwd_strptr++;