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| author | Denys Vlasenko | 2011-01-24 18:17:19 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2011-01-24 18:17:19 +0100 |
| commit | 7073964b5fc01fbe83eee17e52a2341b19cf11c5 (patch) | |
| tree | 55e693c361b2948ce83dfbbdcd75c096c80eab11 /loginutils | |
| parent | 6b1ce455986ae547b9a0e1e238b90ba2a928599b (diff) | |
| download | busybox-7073964b5fc01fbe83eee17e52a2341b19cf11c5.zip busybox-7073964b5fc01fbe83eee17e52a2341b19cf11c5.tar.gz | |
getty: simplify macros; improve VSWTC[H] compat
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'loginutils')
| -rw-r--r-- | loginutils/getty.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/loginutils/getty.c b/loginutils/getty.c index 402e1c0..ed7e09a 100644 --- a/loginutils/getty.c +++ b/loginutils/getty.c @@ -68,19 +68,16 @@ static FILE *dbf; /* Some shorthands for control characters */ #define CTL(x) ((x) ^ 0100) /* Assumes ASCII dialect */ -#define CR CTL('M') /* carriage return */ -#define NL CTL('J') /* line feed */ #define BS CTL('H') /* back space */ #define DEL CTL('?') /* delete */ /* Defaults for line-editing etc. characters; you may want to change this */ -#define DEF_ERASE DEL /* default erase character */ #define DEF_INTR CTL('C') /* default interrupt character */ #define DEF_QUIT CTL('\\') /* default quit char */ #define DEF_KILL CTL('U') /* default kill char */ #define DEF_EOF CTL('D') /* default EOF char */ #define DEF_EOL '\n' -#define DEF_SWITCH 0 /* default switch char */ +#define DEF_SWITCH 0 /* default switch char (none) */ /* * When multiple baud rates are specified on the command line, @@ -293,9 +290,12 @@ static void termios_final(void) #ifdef VSWTC G.termios.c_cc[VSWTC] = DEF_SWITCH; #endif +#ifdef VSWTCH + G.termios.c_cc[VSWTCH] = DEF_SWITCH; +#endif /* Account for special characters seen in input */ - if (G.eol == CR) { + if (G.eol == '\r') { G.termios.c_iflag |= ICRNL; /* map CR in input to NL */ /* already done by termios_init */ /* G.termios.c_oflag |= ONLCR; map NL in output to CR-NL */ @@ -406,8 +406,8 @@ static char *get_logname(void) /* Do erase, kill and end-of-line processing */ switch (c) { - case CR: - case NL: + case '\r': + case '\n': *bp = '\0'; G.eol = c; goto got_logname; @@ -456,7 +456,7 @@ int getty_main(int argc UNUSED_PARAM, char **argv) #ifdef ISSUE G.issue = ISSUE; /* default issue file */ #endif - G.eol = CR; + G.eol = '\r'; /* Parse command-line arguments */ parse_args(argv); @@ -545,7 +545,6 @@ int getty_main(int argc UNUSED_PARAM, char **argv) /* Optionally wait for CR or LF before writing /etc/issue */ if (option_mask32 & F_WAITCRLF) { char ch; - debug("waiting for cr-lf\n"); while (safe_read(STDIN_FILENO, &ch, 1) == 1) { debug("read %x\n", (unsigned char)ch); |