ftpd: shrink by 33 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/networking/ftpd.c b/networking/ftpd.c
index 7605d48f3a5c45bdcdbfa91d95f326b0bbc432b2..375cc0ca53460b965b9860dd551e86a8ea53a0d8 100644 (file)
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -981,17 +981,23 @@ handle_stou(void)
 static uint32_t
 cmdio_get_cmd_and_arg(void)
 {
-       size_t len;
+       int len;
        uint32_t cmdval;
        char *cmd;
 
        alarm(G.timeout);
 
        free(G.ftp_cmd);
-       len = 8 * 1024; /* Paranoia. Peer may send 1 gigabyte long cmd... */
-       G.ftp_cmd = cmd = xmalloc_fgets_str_len(stdin, "\r\n", &len);
-       if (!cmd)
-               exit(0);
+       {
+               /* Paranoia. Peer may send 1 gigabyte long cmd... */
+               /* Using separate len_on_stk instead of len optimizes
+                * code size (allows len to be in CPU register) */
+               size_t len_on_stk = 8 * 1024;
+               G.ftp_cmd = cmd = xmalloc_fgets_str_len(stdin, "\r\n", &len_on_stk);
+               if (!cmd)
+                       exit(0);
+               len = len_on_stk;
+       }
 
        /* De-escape telnet: 0xff,0xff => 0xff */
        /* RFC959 says that ABOR, STAT, QUIT may be sent even during