diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/hostname.c | 9 | ||||
| -rw-r--r-- | networking/nc.c | 8 | ||||
| -rw-r--r-- | networking/telnet.c | 15 |
3 files changed, 15 insertions, 17 deletions
diff --git a/networking/hostname.c b/networking/hostname.c index 50ef7b5..862bbdf 100644 --- a/networking/hostname.c +++ b/networking/hostname.c @@ -29,12 +29,13 @@ static void do_sethostname(char *s, int isfile) } } else { f = xfopen(s, "r"); - while (fgets(bb_common_bufsiz1, sizeof(bb_common_bufsiz1), f) != NULL) { - if (bb_common_bufsiz1[0] == '#') { +#define strbuf bb_common_bufsiz1 + while (fgets(strbuf, sizeof(strbuf), f) != NULL) { + if (strbuf[0] == '#') { continue; } - chomp(bb_common_bufsiz1); - do_sethostname(bb_common_bufsiz1, 0); + chomp(strbuf); + do_sethostname(strbuf, 0); } if (ENABLE_FEATURE_CLEAN_UP) fclose(f); diff --git a/networking/nc.c b/networking/nc.c index 1fb38f8..e7bd519 100644 --- a/networking/nc.c +++ b/networking/nc.c @@ -174,11 +174,10 @@ int nc_main(int argc, char **argv) if (select(FD_SETSIZE, &testfds, NULL, NULL, NULL) < 0) bb_perror_msg_and_die("select"); +#define iobuf bb_common_bufsiz1 for (fd = 0; fd < FD_SETSIZE; fd++) { if (FD_ISSET(fd, &testfds)) { - nread = safe_read(fd, bb_common_bufsiz1, - sizeof(bb_common_bufsiz1)); - + nread = safe_read(fd, iobuf, sizeof(iobuf)); if (fd == cfd) { if (nread < 1) exit(0); @@ -192,8 +191,7 @@ int nc_main(int argc, char **argv) } ofd = cfd; } - - xwrite(ofd, bb_common_bufsiz1, nread); + xwrite(ofd, iobuf, nread); if (delay > 0) sleep(delay); } } diff --git a/networking/telnet.c b/networking/telnet.c index caca89d..a634d7a 100644 --- a/networking/telnet.c +++ b/networking/telnet.c @@ -52,7 +52,6 @@ enum { typedef unsigned char byte; - struct globals { int netfd; /* console fd:s are 0 and 1 (and 2) */ short iaclen; /* could even use byte */ @@ -78,9 +77,13 @@ struct globals { struct termios termios_def; 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 */ \ +} while (0) /* Function prototypes */ static void rawmode(void); @@ -547,8 +550,6 @@ static void cookmode(void) tcsetattr(0, TCSADRAIN, &G.termios_def); } -void BUG_telnet_globals_too_big(void); - int telnet_main(int argc, char** argv); int telnet_main(int argc, char** argv) { @@ -562,9 +563,7 @@ int telnet_main(int argc, char** argv) int maxfd; #endif - if (sizeof(G) > sizeof(bb_common_bufsiz1)) - BUG_telnet_globals_too_big(); - /* memset(&G, 0, sizeof G); - already is */ + INIT_G(); #if ENABLE_FEATURE_AUTOWIDTH get_terminal_width_height(0, &G.win_width, &G.win_height); |