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 7605d48..375cc0c 100644
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -981,17 +981,23 @@
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