ntpd: explain why scripts can be run in quick succession

[oweals/busybox.git] / networking / telnet.c

diff --git a/networking/telnet.c b/networking/telnet.c
index ba6f2fb8326cef6bf1efc949413f2dc85a37172d..013d959a177ba260b121760e0aba88eb503149b3 100644 (file)
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -21,7 +21,6 @@
  *
  */
 
-#include <termios.h>
 #include <arpa/telnet.h>
 #include <netinet/in.h>
 #include "libbb.h"
@@ -78,11 +77,10 @@ struct globals {
        struct termios termios_raw;
 };
 #define G (*(struct globals*)&bb_common_bufsiz1)
-void BUG_telnet_globals_too_big(void);
 #define INIT_G() do { \
-       if (sizeof(G) > COMMON_BUFSIZE) \
-               BUG_telnet_globals_too_big(); \
-       /* memset(&G, 0, sizeof G); - already is */ \
+       struct G_sizecheck { \
+               char G_sizecheck[sizeof(G) > COMMON_BUFSIZE ? -1 : 1]; \
+       }; \
 } while (0)
 
 /* Function prototypes */
@@ -620,12 +618,12 @@ int telnet_main(int argc UNUSED_PARAM, char **argv)
                default:
 
 #ifdef USE_POLL
-                       if (ufds[0].revents) /* well, should check POLLIN, but ... */
+                       if (ufds[0].revents & POLLIN)
 #else
                        if (FD_ISSET(STDIN_FILENO, &rfds))
 #endif
                        {
-                               len = read(STDIN_FILENO, G.buf, DATABUFSIZE);
+                               len = safe_read(STDIN_FILENO, G.buf, DATABUFSIZE);
                                if (len <= 0)
                                        doexit(EXIT_SUCCESS);
                                TRACE(0, ("Read con: %d\n", len));
@@ -633,12 +631,12 @@ int telnet_main(int argc UNUSED_PARAM, char **argv)
                        }
 
 #ifdef USE_POLL
-                       if (ufds[1].revents) /* well, should check POLLIN, but ... */
+                       if (ufds[1].revents & POLLIN)
 #else
                        if (FD_ISSET(netfd, &rfds))
 #endif
                        {
-                               len = read(netfd, G.buf, DATABUFSIZE);
+                               len = safe_read(netfd, G.buf, DATABUFSIZE);
                                if (len <= 0) {
                                        write_str(1, "Connection closed by foreign host\r\n");
                                        doexit(EXIT_FAILURE);