diff options
| -rw-r--r-- | loginutils/getty.c | 82 |
1 files changed, 25 insertions, 57 deletions
diff --git a/loginutils/getty.c b/loginutils/getty.c index ebca480..9e7cb7a 100644 --- a/loginutils/getty.c +++ b/loginutils/getty.c @@ -48,6 +48,9 @@ extern void updwtmp(const char *filename, const struct utmp *ut); * and for line editing at the same time. */ +/* I doubt there are systems which still need this */ +#undef HANDLE_ALLCAPS + #define _PATH_LOGIN "/bin/login" /* If ISSUE is not defined, agetty will never display the contents of the @@ -133,11 +136,13 @@ static const char opt_string[] = "I:LH:f:hil:mt:wn"; /* Storage for things detected while the login name was read. */ struct chardata { - int erase; /* erase character */ - int kill; /* kill character */ - int eol; /* end-of-line character */ - int parity; /* what parity did we see */ - int capslock; /* upper case without lower case */ + unsigned char erase; /* erase character */ + unsigned char kill; /* kill character */ + unsigned char eol; /* end-of-line character */ + unsigned char parity; /* what parity did we see */ +#ifdef HANDLE_ALLCAPS + unsigned char capslock; /* upper case without lower case */ +#endif }; /* Initial values for the above. */ @@ -147,54 +152,10 @@ static const struct chardata init_chardata = { DEF_KILL, /* default kill character */ 13, /* default eol char */ 0, /* space parity */ +#ifdef HANDLE_ALLCAPS 0, /* no capslock */ -}; - -#if 0 -struct Speedtab { - long speed; - int code; -}; - -static const struct Speedtab speedtab[] = { - {50, B50}, - {75, B75}, - {110, B110}, - {134, B134}, - {150, B150}, - {200, B200}, - {300, B300}, - {600, B600}, - {1200, B1200}, - {1800, B1800}, - {2400, B2400}, - {4800, B4800}, - {9600, B9600}, -#ifdef B19200 - {19200, B19200}, -#endif -#ifdef B38400 - {38400, B38400}, -#endif -#ifdef EXTA - {19200, EXTA}, -#endif -#ifdef EXTB - {38400, EXTB}, #endif -#ifdef B57600 - {57600, B57600}, -#endif -#ifdef B115200 - {115200, B115200}, -#endif -#ifdef B230400 - {230400, B230400}, -#endif - {0, 0}, }; -#endif - #ifdef SYSV_STYLE #ifdef CONFIG_FEATURE_UTMP @@ -211,7 +172,7 @@ static char *fakehost = NULL; #ifdef DEBUGGING #define debug(s) fprintf(dbf,s); fflush(dbf) #define DEBUGTERM "/dev/ttyp0" -FILE *dbf; +static FILE *dbf; #else #define debug(s) /* nothing */ #endif @@ -415,7 +376,7 @@ static void termio_init(struct termio *tp, int speed, struct options *op) * Initial termio settings: 8-bit characters, raw-mode, blocking i/o. * Special characters are set after we have read the login name; all * reads will be done in raw mode anyway. Errors will be dealt with - * lateron. + * later on. */ #ifdef __linux__ /* flush input and output queues, important for modems! */ @@ -474,7 +435,7 @@ static void auto_baud(struct termio *tp) /* * Use 7-bit characters, don't block if input queue is empty. Errors will - * be dealt with lateron. + * be dealt with later on. */ iflag = tp->c_iflag; @@ -503,7 +464,7 @@ static void auto_baud(struct termio *tp) } } } - /* Restore terminal settings. Errors will be dealt with lateron. */ + /* Restore terminal settings. Errors will be dealt with later on. */ tp->c_iflag = iflag; tp->c_cc[VMIN] = vmin; @@ -525,12 +486,13 @@ static void next_speed(struct termio *tp, struct options *op) /* do_prompt - show login prompt, optionally preceded by /etc/issue contents */ static void do_prompt(struct options *op, struct termio *tp) { -#ifdef ISSUE /* optional: show /etc/issue */ +#ifdef ISSUE print_login_issue(op->issue, op->tty); #endif print_login_prompt(); } +#ifdef HANDLE_ALLCAPS /* caps_lock - string contains upper case without lower case */ /* returns 1 if true, 0 if false */ static int caps_lock(const char *s) @@ -540,6 +502,7 @@ static int caps_lock(const char *s) return 0; return 1; } +#endif #define logname bb_common_bufsiz1 /* get_logname - get user name, establish parity, speed, erase, kill, eol */ @@ -551,7 +514,7 @@ static char *get_logname(struct options *op, struct chardata *cp, struct termio char ascval; /* low 7 bits of input character */ int bits; /* # of "1" bits per character */ int mask; /* mask with 1 bit up */ - static const char *const erase[] = { /* backspace-space-backspace */ + static const char erase[][3] = { /* backspace-space-backspace */ "\010\040\010", /* space parity */ "\010\040\010", /* odd parity */ "\210\240\210", /* even parity */ @@ -601,7 +564,8 @@ static char *get_logname(struct options *op, struct chardata *cp, struct termio for (bits = 1, mask = 1; mask & 0177; mask <<= 1) if (mask & ascval) bits++; /* count "1" bits */ - cp->parity |= ((bits & 1) ? 1 : 2); + /* ... |= 2 - even, 1 - odd */ + cp->parity |= 2 - (bits & 1); } /* Do erase, kill and end-of-line processing. */ @@ -645,12 +609,14 @@ static char *get_logname(struct options *op, struct chardata *cp, struct termio } /* Handle names with upper case and no lower case. */ +#ifdef HANDLE_ALLCAPS cp->capslock = caps_lock(logname); if (cp->capslock) { for (bp = logname; *bp; bp++) if (isupper(*bp)) *bp = tolower(*bp); /* map name to lower case */ } +#endif return logname; } @@ -698,11 +664,13 @@ static void termio_final(struct options *op, struct termio *tp, struct chardata } /* Account for upper case without lower case. */ +#ifdef HANDLE_ALLCAPS if (cp->capslock) { tp->c_iflag |= IUCLC; tp->c_lflag |= XCASE; tp->c_oflag |= OLCUC; } +#endif /* Optionally enable hardware flow control */ #ifdef CRTSCTS |