diff options
Diffstat (limited to 'coreutils/stty.c')
| -rw-r--r-- | coreutils/stty.c | 550 |
1 files changed, 301 insertions, 249 deletions
diff --git a/coreutils/stty.c b/coreutils/stty.c index 10e28254d..0075b2210 100644 --- a/coreutils/stty.c +++ b/coreutils/stty.c @@ -24,10 +24,11 @@ David MacKenzie <djm@gnu.ai.mit.edu> - Special for busybox ported by vodz@usa.net 2001 + Special for busybox ported by Vladimir Oleynik <vodz@usa.net> 2001 */ +//#define TEST #include <termios.h> #include <sys/ioctl.h> @@ -109,13 +110,13 @@ # define CSWTCH _POSIX_VDISABLE #endif -#if defined(VWERSE) && !defined (VWERASE) /* AIX-3.2.5 */ +#if defined(VWERSE) && !defined (VWERASE) /* AIX-3.2.5 */ # define VWERASE VWERSE #endif #if defined(VDSUSP) && !defined (CDSUSP) # define CDSUSP Control ('y') #endif -#if !defined(VREPRINT) && defined(VRPRNT) /* Irix 4.0.5 */ +#if !defined(VREPRINT) && defined(VRPRNT) /* Irix 4.0.5 */ # define VREPRINT VRPRNT #endif #if defined(VREPRINT) && !defined(CRPRNT) @@ -130,16 +131,16 @@ #if defined(VDISCARD) && !defined(VFLUSHO) # define VFLUSHO VDISCARD #endif -#if defined(VFLUSH) && !defined(VFLUSHO) /* Ultrix 4.2 */ +#if defined(VFLUSH) && !defined(VFLUSHO) /* Ultrix 4.2 */ # define VFLUSHO VFLUSH #endif -#if defined(CTLECH) && !defined(ECHOCTL) /* Ultrix 4.3 */ +#if defined(CTLECH) && !defined(ECHOCTL) /* Ultrix 4.3 */ # define ECHOCTL CTLECH #endif -#if defined(TCTLECH) && !defined(ECHOCTL) /* Ultrix 4.2 */ +#if defined(TCTLECH) && !defined(ECHOCTL) /* Ultrix 4.2 */ # define ECHOCTL TCTLECH #endif -#if defined(CRTKIL) && !defined(ECHOKE) /* Ultrix 4.2 and 4.3 */ +#if defined(CRTKIL) && !defined(ECHOKE) /* Ultrix 4.2 and 4.3 */ # define ECHOKE CRTKIL #endif #if defined(VFLUSHO) && !defined(CFLUSHO) @@ -156,7 +157,7 @@ enum speed_setting { /* What to output and how. */ enum output_type { - changed, all, recoverable /* Default, -a, -g. */ + changed, all, recoverable /* Default, -a, -g. */ }; /* Which member(s) of `struct termios' a mode uses. */ @@ -165,191 +166,189 @@ enum mode_type { }; -static const char evenp[] = "evenp"; -static const char raw[] = "raw"; -static const char stty_min[] = "min"; -static const char stty_time[] = "time"; +static const char evenp [] = "evenp"; +static const char raw [] = "raw"; +static const char stty_min [] = "min"; +static const char stty_time [] = "time"; static const char stty_swtch[] = "swtch"; -static const char stty_eol[] = "eol"; -static const char stty_eof[] = "eof"; -static const char parity[] = "parity"; -static const char stty_oddp[] = "oddp"; -static const char stty_nl[] = "nl"; -static const char stty_ek[] = "ek"; -static const char stty_sane[] = "sane"; -static const char cbreak[] = "cbreak"; +static const char stty_eol [] = "eol"; +static const char stty_eof [] = "eof"; +static const char parity [] = "parity"; +static const char stty_oddp [] = "oddp"; +static const char stty_nl [] = "nl"; +static const char stty_ek [] = "ek"; +static const char stty_sane [] = "sane"; +static const char cbreak [] = "cbreak"; static const char stty_pass8[] = "pass8"; -static const char litout[] = "litout"; -static const char cooked[] = "cooked"; -static const char decctlq[] = "decctlq"; -static const char stty_tabs[] = "tabs"; +static const char litout [] = "litout"; +static const char cooked [] = "cooked"; +static const char decctlq [] = "decctlq"; +static const char stty_tabs [] = "tabs"; static const char stty_lcase[] = "lcase"; static const char stty_LCASE[] = "LCASE"; -static const char stty_crt[] = "crt"; -static const char stty_dec[] = "dec"; +static const char stty_crt [] = "crt"; +static const char stty_dec [] = "dec"; /* Flags for `struct mode_info'. */ -#define SANE_SET 1 /* Set in `sane' mode. */ -#define SANE_UNSET 2 /* Unset in `sane' mode. */ -#define REV 4 /* Can be turned off by prepending `-'. */ -#define OMIT 8 /* Don't display value. */ +#define SANE_SET 1 /* Set in `sane' mode. */ +#define SANE_UNSET 2 /* Unset in `sane' mode. */ +#define REV 4 /* Can be turned off by prepending `-'. */ +#define OMIT 8 /* Don't display value. */ /* Each mode. */ struct mode_info { - const char *name; /* Name given on command line. */ - enum mode_type type; /* Which structure element to change. */ - char flags; /* Setting and display options. */ - unsigned long bits; /* Bits to set for this mode. */ - unsigned long mask; /* Other bits to turn off for this mode. */ + const char *name; /* Name given on command line. */ + enum mode_type type; /* Which structure element to change. */ + char flags; /* Setting and display options. */ + unsigned long bits; /* Bits to set for this mode. */ + unsigned long mask; /* Other bits to turn off for this mode. */ }; -static const struct mode_info mode_info[] = { - {"parenb", control, REV, PARENB, 0}, - {"parodd", control, REV, PARODD, 0}, - {"cs5", control, 0, CS5, CSIZE}, - {"cs6", control, 0, CS6, CSIZE}, - {"cs7", control, 0, CS7, CSIZE}, - {"cs8", control, 0, CS8, CSIZE}, - {"hupcl", control, REV, HUPCL, 0}, - {"hup", control, REV | OMIT, HUPCL, 0}, - {"cstopb", control, REV, CSTOPB, 0}, - {"cread", control, SANE_SET | REV, CREAD, 0}, - {"clocal", control, REV, CLOCAL, 0}, +static const struct mode_info mode_info[] = { + {"parenb", control, REV, PARENB, 0 }, + {"parodd", control, REV, PARODD, 0 }, + {"cs5", control, 0, CS5, CSIZE}, + {"cs6", control, 0, CS6, CSIZE}, + {"cs7", control, 0, CS7, CSIZE}, + {"cs8", control, 0, CS8, CSIZE}, + {"hupcl", control, REV, HUPCL, 0 }, + {"hup", control, REV | OMIT, HUPCL, 0 }, + {"cstopb", control, REV, CSTOPB, 0 }, + {"cread", control, SANE_SET | REV, CREAD, 0 }, + {"clocal", control, REV, CLOCAL, 0 }, #ifdef CRTSCTS - {"crtscts", control, REV, CRTSCTS, 0}, -#endif - - {"ignbrk", input, SANE_UNSET | REV, IGNBRK, 0}, - {"brkint", input, SANE_SET | REV, BRKINT, 0}, - {"ignpar", input, REV, IGNPAR, 0}, - {"parmrk", input, REV, PARMRK, 0}, - {"inpck", input, REV, INPCK, 0}, - {"istrip", input, REV, ISTRIP, 0}, - {"inlcr", input, SANE_UNSET | REV, INLCR, 0}, - {"igncr", input, SANE_UNSET | REV, IGNCR, 0}, - {"icrnl", input, SANE_SET | REV, ICRNL, 0}, - {"ixon", input, REV, IXON, 0}, - {"ixoff", input, SANE_UNSET | REV, IXOFF, 0}, - {"tandem", input, REV | OMIT, IXOFF, 0}, + {"crtscts", control, REV, CRTSCTS, 0 }, +#endif + {"ignbrk", input, SANE_UNSET | REV, IGNBRK, 0 }, + {"brkint", input, SANE_SET | REV, BRKINT, 0 }, + {"ignpar", input, REV, IGNPAR, 0 }, + {"parmrk", input, REV, PARMRK, 0 }, + {"inpck", input, REV, INPCK, 0 }, + {"istrip", input, REV, ISTRIP, 0 }, + {"inlcr", input, SANE_UNSET | REV, INLCR, 0 }, + {"igncr", input, SANE_UNSET | REV, IGNCR, 0 }, + {"icrnl", input, SANE_SET | REV, ICRNL, 0 }, + {"ixon", input, REV, IXON, 0 }, + {"ixoff", input, SANE_UNSET | REV, IXOFF, 0 }, + {"tandem", input, REV | OMIT, IXOFF, 0 }, #ifdef IUCLC - {"iuclc", input, SANE_UNSET | REV, IUCLC, 0}, + {"iuclc", input, SANE_UNSET | REV, IUCLC, 0 }, #endif #ifdef IXANY - {"ixany", input, SANE_UNSET | REV, IXANY, 0}, + {"ixany", input, SANE_UNSET | REV, IXANY, 0 }, #endif #ifdef IMAXBEL - {"imaxbel", input, SANE_SET | REV, IMAXBEL, 0}, + {"imaxbel", input, SANE_SET | REV, IMAXBEL, 0 }, #endif - - {"opost", output, SANE_SET | REV, OPOST, 0}, + {"opost", output, SANE_SET | REV, OPOST, 0 }, #ifdef OLCUC - {"olcuc", output, SANE_UNSET | REV, OLCUC, 0}, + {"olcuc", output, SANE_UNSET | REV, OLCUC, 0 }, #endif #ifdef OCRNL - {"ocrnl", output, SANE_UNSET | REV, OCRNL, 0}, + {"ocrnl", output, SANE_UNSET | REV, OCRNL, 0 }, #endif #ifdef ONLCR - {"onlcr", output, SANE_SET | REV, ONLCR, 0}, + {"onlcr", output, SANE_SET | REV, ONLCR, 0 }, #endif #ifdef ONOCR - {"onocr", output, SANE_UNSET | REV, ONOCR, 0}, + {"onocr", output, SANE_UNSET | REV, ONOCR, 0 }, #endif #ifdef ONLRET - {"onlret", output, SANE_UNSET | REV, ONLRET, 0}, + {"onlret", output, SANE_UNSET | REV, ONLRET, 0 }, #endif #ifdef OFILL - {"ofill", output, SANE_UNSET | REV, OFILL, 0}, + {"ofill", output, SANE_UNSET | REV, OFILL, 0 }, #endif #ifdef OFDEL - {"ofdel", output, SANE_UNSET | REV, OFDEL, 0}, + {"ofdel", output, SANE_UNSET | REV, OFDEL, 0 }, #endif #ifdef NLDLY - {"nl1", output, SANE_UNSET, NL1, NLDLY}, - {"nl0", output, SANE_SET, NL0, NLDLY}, + {"nl1", output, SANE_UNSET, NL1, NLDLY}, + {"nl0", output, SANE_SET, NL0, NLDLY}, #endif #ifdef CRDLY - {"cr3", output, SANE_UNSET, CR3, CRDLY}, - {"cr2", output, SANE_UNSET, CR2, CRDLY}, - {"cr1", output, SANE_UNSET, CR1, CRDLY}, - {"cr0", output, SANE_SET, CR0, CRDLY}, + {"cr3", output, SANE_UNSET, CR3, CRDLY}, + {"cr2", output, SANE_UNSET, CR2, CRDLY}, + {"cr1", output, SANE_UNSET, CR1, CRDLY}, + {"cr0", output, SANE_SET, CR0, CRDLY}, #endif + #ifdef TABDLY - {"tab3", output, SANE_UNSET, TAB3, TABDLY}, - {"tab2", output, SANE_UNSET, TAB2, TABDLY}, - {"tab1", output, SANE_UNSET, TAB1, TABDLY}, - {"tab0", output, SANE_SET, TAB0, TABDLY}, + {"tab3", output, SANE_UNSET, TAB3, TABDLY}, + {"tab2", output, SANE_UNSET, TAB2, TABDLY}, + {"tab1", output, SANE_UNSET, TAB1, TABDLY}, + {"tab0", output, SANE_SET, TAB0, TABDLY}, #else # ifdef OXTABS - {"tab3", output, SANE_UNSET, OXTABS, 0}, + {"tab3", output, SANE_UNSET, OXTABS, 0 }, # endif #endif + #ifdef BSDLY - {"bs1", output, SANE_UNSET, BS1, BSDLY}, - {"bs0", output, SANE_SET, BS0, BSDLY}, + {"bs1", output, SANE_UNSET, BS1, BSDLY}, + {"bs0", output, SANE_SET, BS0, BSDLY}, #endif #ifdef VTDLY - {"vt1", output, SANE_UNSET, VT1, VTDLY}, - {"vt0", output, SANE_SET, VT0, VTDLY}, + {"vt1", output, SANE_UNSET, VT1, VTDLY}, + {"vt0", output, SANE_SET, VT0, VTDLY}, #endif #ifdef FFDLY - {"ff1", output, SANE_UNSET, FF1, FFDLY}, - {"ff0", output, SANE_SET, FF0, FFDLY}, + {"ff1", output, SANE_UNSET, FF1, FFDLY}, + {"ff0", output, SANE_SET, FF0, FFDLY}, #endif - - {"isig", local, SANE_SET | REV, ISIG, 0}, - {"icanon", local, SANE_SET | REV, ICANON, 0}, + {"isig", local, SANE_SET | REV, ISIG, 0 }, + {"icanon", local, SANE_SET | REV, ICANON, 0 }, #ifdef IEXTEN - {"iexten", local, SANE_SET | REV, IEXTEN, 0}, -#endif - {"echo", local, SANE_SET | REV, ECHO, 0}, - {"echoe", local, SANE_SET | REV, ECHOE, 0}, - {"crterase", local, REV | OMIT, ECHOE, 0}, - {"echok", local, SANE_SET | REV, ECHOK, 0}, - {"echonl", local, SANE_UNSET | REV, ECHONL, 0}, - {"noflsh", local, SANE_UNSET | REV, NOFLSH, 0}, + {"iexten", local, SANE_SET | REV, IEXTEN, 0 }, +#endif + {"echo", local, SANE_SET | REV, ECHO, 0 }, + {"echoe", local, SANE_SET | REV, ECHOE, 0 }, + {"crterase", local, REV | OMIT, ECHOE, 0 }, + {"echok", local, SANE_SET | REV, ECHOK, 0 }, + {"echonl", local, SANE_UNSET | REV, ECHONL, 0 }, + {"noflsh", local, SANE_UNSET | REV, NOFLSH, 0 }, #ifdef XCASE - {"xcase", local, SANE_UNSET | REV, XCASE, 0}, + {"xcase", local, SANE_UNSET | REV, XCASE, 0 }, #endif #ifdef TOSTOP - {"tostop", local, SANE_UNSET | REV, TOSTOP, 0}, + {"tostop", local, SANE_UNSET | REV, TOSTOP, 0 }, #endif #ifdef ECHOPRT - {"echoprt", local, SANE_UNSET | REV, ECHOPRT, 0}, - {"prterase", local, REV | OMIT, ECHOPRT, 0}, + {"echoprt", local, SANE_UNSET | REV, ECHOPRT, 0 }, + {"prterase", local, REV | OMIT, ECHOPRT, 0 }, #endif #ifdef ECHOCTL - {"echoctl", local, SANE_SET | REV, ECHOCTL, 0}, - {"ctlecho", local, REV | OMIT, ECHOCTL, 0}, + {"echoctl", local, SANE_SET | REV, ECHOCTL, 0 }, + {"ctlecho", local, REV | OMIT, ECHOCTL, 0 }, #endif #ifdef ECHOKE - {"echoke", local, SANE_SET | REV, ECHOKE, 0}, - {"crtkill", local, REV | OMIT, ECHOKE, 0}, -#endif - - {evenp, combination, REV | OMIT, 0, 0}, - {parity, combination, REV | OMIT, 0, 0}, - {stty_oddp, combination, REV | OMIT, 0, 0}, - {stty_nl, combination, REV | OMIT, 0, 0}, - {stty_ek, combination, OMIT, 0, 0}, - {stty_sane, combination, OMIT, 0, 0}, - {cooked, combination, REV | OMIT, 0, 0}, - {raw, combination, REV | OMIT, 0, 0}, - {stty_pass8, combination, REV | OMIT, 0, 0}, - {litout, combination, REV | OMIT, 0, 0}, - {cbreak, combination, REV | OMIT, 0, 0}, + {"echoke", local, SANE_SET | REV, ECHOKE, 0 }, + {"crtkill", local, REV | OMIT, ECHOKE, 0 }, +#endif + {evenp, combination, REV | OMIT, 0, 0 }, + {parity, combination, REV | OMIT, 0, 0 }, + {stty_oddp, combination, REV | OMIT, 0, 0 }, + {stty_nl, combination, REV | OMIT, 0, 0 }, + {stty_ek, combination, OMIT, 0, 0 }, + {stty_sane, combination, OMIT, 0, 0 }, + {cooked, combination, REV | OMIT, 0, 0 }, + {raw, combination, REV | OMIT, 0, 0 }, + {stty_pass8, combination, REV | OMIT, 0, 0 }, + {litout, combination, REV | OMIT, 0, 0 }, + {cbreak, combination, REV | OMIT, 0, 0 }, #ifdef IXANY - {decctlq, combination, REV | OMIT, 0, 0}, + {decctlq, combination, REV | OMIT, 0, 0 }, #endif #if defined (TABDLY) || defined (OXTABS) - {stty_tabs, combination, REV | OMIT, 0, 0}, + {stty_tabs, combination, REV | OMIT, 0, 0 }, #endif #if defined(XCASE) && defined(IUCLC) && defined(OLCUC) - {stty_lcase, combination, REV | OMIT, 0, 0}, - {stty_LCASE, combination, REV | OMIT, 0, 0}, + {stty_lcase, combination, REV | OMIT, 0, 0 }, + {stty_LCASE, combination, REV | OMIT, 0, 0 }, #endif - {stty_crt, combination, OMIT, 0, 0}, - {stty_dec, combination, OMIT, 0, 0}, + {stty_crt, combination, OMIT, 0, 0 }, + {stty_dec, combination, OMIT, 0, 0 }, }; static const int NUM_mode_info = @@ -358,83 +357,81 @@ static const int NUM_mode_info = /* Control character settings. */ struct control_info { - const char *name; /* Name given on command line. */ - unsigned char saneval; /* Value to set for `stty sane'. */ - int offset; /* Offset in c_cc. */ + const char *name; /* Name given on command line. */ + unsigned char saneval; /* Value to set for `stty sane'. */ + int offset; /* Offset in c_cc. */ }; /* Control characters. */ -static const struct control_info control_info[] = { - {"intr", CINTR, VINTR}, - {"quit", CQUIT, VQUIT}, - {"erase", CERASE, VERASE}, - {"kill", CKILL, VKILL}, - {stty_eof, CEOF, VEOF}, - {stty_eol, CEOL, VEOL}, +static const struct control_info control_info[] = { + {"intr", CINTR, VINTR}, + {"quit", CQUIT, VQUIT}, + {"erase", CERASE, VERASE}, + {"kill", CKILL, VKILL}, + {stty_eof, CEOF, VEOF}, + {stty_eol, CEOL, VEOL}, #ifdef VEOL2 - {"eol2", CEOL2, VEOL2}, + {"eol2", CEOL2, VEOL2}, #endif #ifdef VSWTCH - {stty_swtch, CSWTCH, VSWTCH}, + {stty_swtch, CSWTCH, VSWTCH}, #endif - {"start", CSTART, VSTART}, - {"stop", CSTOP, VSTOP}, - {"susp", CSUSP, VSUSP}, + {"start", CSTART, VSTART}, + {"stop", CSTOP, VSTOP}, + {"susp", CSUSP, VSUSP}, #ifdef VDSUSP - {"dsusp", CDSUSP, VDSUSP}, + {"dsusp", CDSUSP, VDSUSP}, #endif #ifdef VREPRINT - {"rprnt", CRPRNT, VREPRINT}, + {"rprnt", CRPRNT, VREPRINT}, #endif #ifdef VWERASE - {"werase", CWERASE, VWERASE}, + {"werase", CWERASE, VWERASE}, #endif #ifdef VLNEXT - {"lnext", CLNEXT, VLNEXT}, + {"lnext", CLNEXT, VLNEXT}, #endif #ifdef VFLUSHO - {"flush", CFLUSHO, VFLUSHO}, + {"flush", CFLUSHO, VFLUSHO}, #endif #ifdef VSTATUS - {"status", CSTATUS, VSTATUS}, + {"status", CSTATUS, VSTATUS}, #endif - /* These must be last because of the display routines. */ - {stty_min, 1, VMIN}, - {stty_time, 0, VTIME}, + {stty_min, 1, VMIN}, + {stty_time, 0, VTIME}, }; static const int NUM_control_info = (sizeof(control_info) / sizeof(struct control_info)); -static const char *visible(unsigned int ch); +static const char * visible(unsigned int ch); static unsigned long baud_to_value(speed_t speed); -static int recover_mode(char *arg, struct termios *mode); -static int screen_columns(void); -static int set_mode(const struct mode_info *info, - int reversed, struct termios *mode); -static speed_t string_to_baud(const char *arg); -static tcflag_t *mode_type_flag(enum mode_type type, struct termios *mode); -static void display_all(struct termios *mode, int fd, - const char *device_name); -static void display_changed(struct termios *mode); -static void display_recoverable(struct termios *mode); -static void display_settings(enum output_type output_type, - struct termios *mode, int fd, - const char *device_name); -static void display_speed(struct termios *mode, int fancy); -static void display_window_size(int fancy, int fd, - const char *device_name); -static void sane_mode(struct termios *mode); -static void set_control_char(const struct control_info *info, - const char *arg, struct termios *mode); -static void set_speed(enum speed_setting type, - const char *arg, struct termios *mode); -static void set_window_size(int rows, int cols, int fd, - - const char *device_name); +static int recover_mode(char *arg, struct termios *mode); +static int screen_columns(void); +static int set_mode(const struct mode_info *info, + int reversed, struct termios *mode); +static speed_t string_to_baud(const char *arg); +static tcflag_t* mode_type_flag(enum mode_type type, struct termios *mode); +static void display_all(struct termios *mode, int fd, + const char *device_name); +static void display_changed(struct termios *mode); +static void display_recoverable(struct termios *mode); +static void display_settings(enum output_type output_type, + struct termios *mode, int fd, + const char *device_name); +static void display_speed(struct termios *mode, int fancy); +static void display_window_size(int fancy, int fd, + const char *device_name); +static void sane_mode(struct termios *mode); +static void set_control_char(const struct control_info *info, + const char *arg, struct termios *mode); +static void set_speed(enum speed_setting type, + const char *arg, struct termios *mode); +static void set_window_size(int rows, int cols, int fd, + const char *device_name); /* The width of the screen, for output wrapping. */ static int max_col; @@ -449,7 +446,7 @@ static int current_col; static void wrapf(const char *message, ...) { va_list args; - char buf[1024]; /* Plenty long for our needs. */ + char buf[1024]; /* Plenty long for our needs. */ int buflen; va_start(args, message); @@ -469,25 +466,29 @@ static void wrapf(const char *message, ...) } static const struct suffix_mult stty_suffixes[] = { - {"b", 512}, - {"k", 1024}, - {"B", 1024}, - {NULL, 0} + {"b", 512 }, + {"k", 1024}, + {"B", 1024}, + {NULL, 0 } }; +#ifndef TEST extern int stty_main(int argc, char **argv) +#else +extern int main(int argc, char **argv) +#endif { struct termios mode; - enum output_type output_type; - int optc; - int require_set_attr; - int speed_was_set; - int verbose_output; - int recoverable_output; - int k; - int noargs = 1; - char *file_name = NULL; - int fd; + enum output_type output_type; + int optc; + int require_set_attr; + int speed_was_set; + int verbose_output; + int recoverable_output; + int k; + int noargs = 1; + char * file_name = NULL; + int fd; const char *device_name; output_type = changed; @@ -515,7 +516,7 @@ extern int stty_main(int argc, char **argv) file_name = optarg; break; - default: /* unrecognized option */ + default: /* unrecognized option */ noargs = 0; break; } @@ -581,43 +582,39 @@ extern int stty_main(int argc, char **argv) ++argv[k]; reversed = 1; } - for (i = 0; i < NUM_mode_info; ++i) { + for (i = 0; i < NUM_mode_info; ++i) if (STREQ(argv[k], mode_info[i].name)) { match_found = set_mode(&mode_info[i], reversed, &mode); require_set_attr = 1; break; } - } - if (match_found == 0 && reversed) { + + if (match_found == 0 && reversed) error_msg_and_die("invalid argument `%s'", --argv[k]); - } - if (match_found == 0) { - for (i = 0; i < NUM_control_info; ++i) { + + if (match_found == 0) + for (i = 0; i < NUM_control_info; ++i) if (STREQ(argv[k], control_info[i].name)) { - if (k == argc - 1) { - error_msg_and_die("missing argument to `%s'", argv[k]); - } + if (k == argc - 1) + error_msg_and_die("missing argument to `%s'", argv[k]); match_found = 1; ++k; set_control_char(&control_info[i], argv[k], &mode); require_set_attr = 1; break; } - } - } + if (match_found == 0) { if (STREQ(argv[k], "ispeed")) { - if (k == argc - 1) { - error_msg_and_die("missing argument to `%s'", argv[k]); - } + if (k == argc - 1) + error_msg_and_die("missing argument to `%s'", argv[k]); ++k; set_speed(input_speed, argv[k], &mode); speed_was_set = 1; require_set_attr = 1; } else if (STREQ(argv[k], "ospeed")) { - if (k == argc - 1) { - error_msg_and_die("missing argument to `%s'", argv[k]); - } + if (k == argc - 1) + error_msg_and_die("missing argument to `%s'", argv[k]); ++k; set_speed(output_speed, argv[k], &mode); speed_was_set = 1; @@ -625,20 +622,18 @@ extern int stty_main(int argc, char **argv) } #ifdef TIOCGWINSZ else if (STREQ(argv[k], "rows")) { - if (k == argc - 1) { - error_msg_and_die("missing argument to `%s'", argv[k]); - } + if (k == argc - 1) + error_msg_and_die("missing argument to `%s'", argv[k]); ++k; set_window_size((int) parse_number(argv[k], stty_suffixes), -1, fd, device_name); } else if (STREQ(argv[k], "cols") || STREQ(argv[k], "columns")) { - if (k == argc - 1) { - error_msg_and_die("missing argument to `%s'", argv[k]); - } + if (k == argc - 1) + error_msg_and_die("missing argument to `%s'", argv[k]); ++k; set_window_size(-1, - (int) parse_number(argv[k], stty_suffixes), - fd, device_name); + (int) parse_number(argv[k], stty_suffixes), + fd, device_name); } else if (STREQ(argv[k], "size")) { max_col = screen_columns(); current_col = 0; @@ -647,9 +642,8 @@ extern int stty_main(int argc, char **argv) #endif #ifdef HAVE_C_LINE else if (STREQ(argv[k], "line")) { - if (k == argc - 1) { + if (k == argc - 1) error_msg_and_die("missing argument to `%s'", argv[k]); - } ++k; mode.c_line = parse_number(argv[k], stty_suffixes); require_set_attr = 1; @@ -658,16 +652,14 @@ extern int stty_main(int argc, char **argv) else if (STREQ(argv[k], "speed")) { max_col = screen_columns(); display_speed(&mode, 0); - } else if (string_to_baud(argv[k]) != (speed_t) - 1) { + } else if (recover_mode(argv[k], &mode) == 1) + require_set_attr = 1; + else if (string_to_baud(argv[k]) != (speed_t) - 1) { set_speed(both_speeds, argv[k], &mode); speed_was_set = 1; require_set_attr = 1; - } else { - if (recover_mode(argv[k], &mode) == 0) { - error_msg_and_die("invalid argument `%s'", argv[k]); - } - require_set_attr = 1; - } + } else + error_msg_and_die("invalid argument `%s'", argv[k]); } k++; } @@ -712,21 +704,8 @@ extern int stty_main(int argc, char **argv) new_mode.c_cflag &= (~CIBAUD); if (speed_was_set || memcmp(&mode, &new_mode, sizeof(mode)) != 0) #endif - { error_msg_and_die ("%s: unable to perform all requested operations", device_name); -#ifdef TESTING - { - size_t i; - - printf("new_mode: mode\n"); - for (i = 0; i < sizeof(new_mode); i++) - printf("0x%02x: 0x%02x\n", - *(((unsigned char *) &new_mode) + i), - *(((unsigned char *) &mode) + i)); - } -#endif - } } } @@ -882,9 +861,9 @@ set_mode(const struct mode_info *info, int reversed, struct termios *mode) #endif ; else if (info->name == stty_dec) { - mode->c_cc[VINTR] = 3; /* ^C */ - mode->c_cc[VERASE] = 127; /* DEL */ - mode->c_cc[VKILL] = 21; /* ^U */ + mode->c_cc[VINTR] = 3; /* ^C */ + mode->c_cc[VERASE] = 127; /* DEL */ + mode->c_cc[VKILL] = 21; /* ^U */ mode->c_lflag |= ECHOE #ifdef ECHOCTL | ECHOCTL @@ -917,11 +896,11 @@ set_control_char(const struct control_info *info, const char *arg, value = arg[0]; else if (STREQ(arg, "^-") || STREQ(arg, "undef")) value = _POSIX_VDISABLE; - else if (arg[0] == '^' && arg[1] != '\0') { /* Ignore any trailing junk. */ + else if (arg[0] == '^' && arg[1] != '\0') { /* Ignore any trailing junk. */ if (arg[1] == '?') value = 127; else - value = arg[1] & ~0140; /* Non-letters get weird results. */ + value = arg[1] & ~0140; /* Non-letters get weird results. */ } else value = parse_number(arg, stty_suffixes); mode->c_cc[info->offset] = value; @@ -1047,7 +1026,7 @@ static tcflag_t *mode_type_flag(enum mode_type type, struct termios *mode) case local: return &mode->c_lflag; - default: /* combination: */ + default: /* combination: */ return NULL; } } @@ -1262,8 +1241,8 @@ static int recover_mode(char *arg, struct termios *mode) } struct speed_map { - speed_t speed; /* Internal form. */ - unsigned long value; /* Numeric value. */ + speed_t speed; /* Internal form. */ + unsigned long value; /* Numeric value. */ }; static const struct speed_map speeds[] = { @@ -1382,6 +1361,79 @@ static const char *visible(unsigned int ch) return (const char *) buf; } +#ifdef TEST +unsigned long parse_number(const char *numstr, + const struct suffix_mult *suffixes) +{ + const struct suffix_mult *sm; + unsigned long int ret; + int len; + char *end; + + ret = strtoul(numstr, &end, 10); + if (numstr == end) + error_msg_and_die("invalid number `%s'", numstr); + while (end[0] != '\0') { + sm = suffixes; + while ( sm != 0 ) { + if(sm->suffix) { + len = strlen(sm->suffix); + if (strncmp(sm->suffix, end, len) == 0) { + ret *= sm->mult; + end += len; + break; + } + sm++; + + } else + sm = 0; + } + if (sm == 0) + error_msg_and_die("invalid number `%s'", numstr); + } + return ret; +} + +const char *applet_name = "stty"; + +static void verror_msg(const char *s, va_list p) +{ + fflush(stdout); + fprintf(stderr, "%s: ", applet_name); + vfprintf(stderr, s, p); +} + +extern void error_msg_and_die(const char *s, ...) +{ + va_list p; + + va_start(p, s); + verror_msg(s, p); + va_end(p); + putc('\n', stderr); + exit(EXIT_FAILURE); +} + +static void vperror_msg(const char *s, va_list p) +{ + int err=errno; + verror_msg(s, p); + if (*s) s = ": "; + fprintf(stderr, "%s%s\n", s, strerror(err)); +} + +extern void perror_msg_and_die(const char *s, ...) +{ + va_list p; + + va_start(p, s); + vperror_msg(s, p); + va_end(p); + exit(EXIT_FAILURE); +} + +#endif + /* Local Variables: c-file-style: "linux" |