diff options
| -rw-r--r-- | coreutils/stty.c | 527 |
1 files changed, 376 insertions, 151 deletions
diff --git a/coreutils/stty.c b/coreutils/stty.c index 849f615..ade2468 100644 --- a/coreutils/stty.c +++ b/coreutils/stty.c @@ -133,18 +133,27 @@ enum { #define REV 4 /* Can be turned off by prepending '-' */ #define OMIT 8 /* Don't display value */ -/* Each mode */ + +/* Each mode. + * This structure should be kept as small as humanly possible. + */ struct mode_info { - const char name[9]; /* Name given on command line */ - const unsigned char type; /* Which structure element to change */ - const unsigned char flags; /* Setting and display options */ - /* were using short here, but ppc32 was unhappy: */ + const uint8_t type; /* Which structure element to change */ + const uint8_t flags; /* Setting and display options */ + /* only these values are ever used, so... */ +#if (CSIZE | NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY) < 0x100 + const uint8_t mask; +#elif (CSIZE | NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY) < 0x10000 + const uint16_t mask; +#else const tcflag_t mask; /* Other bits to turn off for this mode */ +#endif + /* was using short here, but ppc32 was unhappy */ const tcflag_t bits; /* Bits to set for this mode */ }; enum { - /* Must match mode_info[] order! */ + /* Must match mode_name[] and mode_info[] order! */ IDX_evenp = 0, IDX_parity, IDX_oddp, @@ -170,151 +179,302 @@ enum { #endif }; -#define MI_ENTRY(N,T,F,B,M) { N, T, F, M, B } +#define MI_ENTRY(N,T,F,B,M) N "\0" + +/* Mode names given on command line */ +static const char mode_name[] = + MI_ENTRY("evenp", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("parity", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("oddp", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("nl", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("ek", combination, OMIT, 0, 0 ) + MI_ENTRY("sane", combination, OMIT, 0, 0 ) + MI_ENTRY("cooked", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("raw", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("pass8", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("litout", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("cbreak", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("crt", combination, OMIT, 0, 0 ) + MI_ENTRY("dec", combination, OMIT, 0, 0 ) +#ifdef IXANY + MI_ENTRY("decctlq", combination, REV | OMIT, 0, 0 ) +#endif +#if defined(TABDLY) || defined(OXTABS) + MI_ENTRY("tabs", combination, REV | OMIT, 0, 0 ) +#endif +#if defined(XCASE) && defined(IUCLC) && defined(OLCUC) + MI_ENTRY("lcase", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("LCASE", combination, REV | OMIT, 0, 0 ) +#endif + MI_ENTRY("parenb", control, REV, PARENB, 0 ) + MI_ENTRY("parodd", control, REV, PARODD, 0 ) + MI_ENTRY("cs5", control, 0, CS5, CSIZE) + MI_ENTRY("cs6", control, 0, CS6, CSIZE) + MI_ENTRY("cs7", control, 0, CS7, CSIZE) + MI_ENTRY("cs8", control, 0, CS8, CSIZE) + MI_ENTRY("hupcl", control, REV, HUPCL, 0 ) + MI_ENTRY("hup", control, REV | OMIT, HUPCL, 0 ) + MI_ENTRY("cstopb", control, REV, CSTOPB, 0 ) + MI_ENTRY("cread", control, SANE_SET | REV, CREAD, 0 ) + MI_ENTRY("clocal", control, REV, CLOCAL, 0 ) +#ifdef CRTSCTS + MI_ENTRY("crtscts", control, REV, CRTSCTS, 0 ) +#endif + MI_ENTRY("ignbrk", input, SANE_UNSET | REV, IGNBRK, 0 ) + MI_ENTRY("brkint", input, SANE_SET | REV, BRKINT, 0 ) + MI_ENTRY("ignpar", input, REV, IGNPAR, 0 ) + MI_ENTRY("parmrk", input, REV, PARMRK, 0 ) + MI_ENTRY("inpck", input, REV, INPCK, 0 ) + MI_ENTRY("istrip", input, REV, ISTRIP, 0 ) + MI_ENTRY("inlcr", input, SANE_UNSET | REV, INLCR, 0 ) + MI_ENTRY("igncr", input, SANE_UNSET | REV, IGNCR, 0 ) + MI_ENTRY("icrnl", input, SANE_SET | REV, ICRNL, 0 ) + MI_ENTRY("ixon", input, REV, IXON, 0 ) + MI_ENTRY("ixoff", input, SANE_UNSET | REV, IXOFF, 0 ) + MI_ENTRY("tandem", input, REV | OMIT, IXOFF, 0 ) +#ifdef IUCLC + MI_ENTRY("iuclc", input, SANE_UNSET | REV, IUCLC, 0 ) +#endif +#ifdef IXANY + MI_ENTRY("ixany", input, SANE_UNSET | REV, IXANY, 0 ) +#endif +#ifdef IMAXBEL + MI_ENTRY("imaxbel", input, SANE_SET | REV, IMAXBEL, 0 ) +#endif + MI_ENTRY("opost", output, SANE_SET | REV, OPOST, 0 ) +#ifdef OLCUC + MI_ENTRY("olcuc", output, SANE_UNSET | REV, OLCUC, 0 ) +#endif +#ifdef OCRNL + MI_ENTRY("ocrnl", output, SANE_UNSET | REV, OCRNL, 0 ) +#endif +#ifdef ONLCR + MI_ENTRY("onlcr", output, SANE_SET | REV, ONLCR, 0 ) +#endif +#ifdef ONOCR + MI_ENTRY("onocr", output, SANE_UNSET | REV, ONOCR, 0 ) +#endif +#ifdef ONLRET + MI_ENTRY("onlret", output, SANE_UNSET | REV, ONLRET, 0 ) +#endif +#ifdef OFILL + MI_ENTRY("ofill", output, SANE_UNSET | REV, OFILL, 0 ) +#endif +#ifdef OFDEL + MI_ENTRY("ofdel", output, SANE_UNSET | REV, OFDEL, 0 ) +#endif +#ifdef NLDLY + MI_ENTRY("nl1", output, SANE_UNSET, NL1, NLDLY) + MI_ENTRY("nl0", output, SANE_SET, NL0, NLDLY) +#endif +#ifdef CRDLY + MI_ENTRY("cr3", output, SANE_UNSET, CR3, CRDLY) + MI_ENTRY("cr2", output, SANE_UNSET, CR2, CRDLY) + MI_ENTRY("cr1", output, SANE_UNSET, CR1, CRDLY) + MI_ENTRY("cr0", output, SANE_SET, CR0, CRDLY) +#endif + +#ifdef TABDLY + MI_ENTRY("tab3", output, SANE_UNSET, TAB3, TABDLY) + MI_ENTRY("tab2", output, SANE_UNSET, TAB2, TABDLY) + MI_ENTRY("tab1", output, SANE_UNSET, TAB1, TABDLY) + MI_ENTRY("tab0", output, SANE_SET, TAB0, TABDLY) +#else +# ifdef OXTABS + MI_ENTRY("tab3", output, SANE_UNSET, OXTABS, 0 ) +# endif +#endif + +#ifdef BSDLY + MI_ENTRY("bs1", output, SANE_UNSET, BS1, BSDLY) + MI_ENTRY("bs0", output, SANE_SET, BS0, BSDLY) +#endif +#ifdef VTDLY + MI_ENTRY("vt1", output, SANE_UNSET, VT1, VTDLY) + MI_ENTRY("vt0", output, SANE_SET, VT0, VTDLY) +#endif +#ifdef FFDLY + MI_ENTRY("ff1", output, SANE_UNSET, FF1, FFDLY) + MI_ENTRY("ff0", output, SANE_SET, FF0, FFDLY) +#endif + MI_ENTRY("isig", local, SANE_SET | REV, ISIG, 0 ) + MI_ENTRY("icanon", local, SANE_SET | REV, ICANON, 0 ) +#ifdef IEXTEN + MI_ENTRY("iexten", local, SANE_SET | REV, IEXTEN, 0 ) +#endif + MI_ENTRY("echo", local, SANE_SET | REV, ECHO, 0 ) + MI_ENTRY("echoe", local, SANE_SET | REV, ECHOE, 0 ) + MI_ENTRY("crterase", local, REV | OMIT, ECHOE, 0 ) + MI_ENTRY("echok", local, SANE_SET | REV, ECHOK, 0 ) + MI_ENTRY("echonl", local, SANE_UNSET | REV, ECHONL, 0 ) + MI_ENTRY("noflsh", local, SANE_UNSET | REV, NOFLSH, 0 ) +#ifdef XCASE + MI_ENTRY("xcase", local, SANE_UNSET | REV, XCASE, 0 ) +#endif +#ifdef TOSTOP + MI_ENTRY("tostop", local, SANE_UNSET | REV, TOSTOP, 0 ) +#endif +#ifdef ECHOPRT + MI_ENTRY("echoprt", local, SANE_UNSET | REV, ECHOPRT, 0 ) + MI_ENTRY("prterase", local, REV | OMIT, ECHOPRT, 0 ) +#endif +#ifdef ECHOCTL + MI_ENTRY("echoctl", local, SANE_SET | REV, ECHOCTL, 0 ) + MI_ENTRY("ctlecho", local, REV | OMIT, ECHOCTL, 0 ) +#endif +#ifdef ECHOKE + MI_ENTRY("echoke", local, SANE_SET | REV, ECHOKE, 0 ) + MI_ENTRY("crtkill", local, REV | OMIT, ECHOKE, 0 ) +#endif + ; + +#undef MI_ENTRY +#define MI_ENTRY(N,T,F,B,M) { T, F, M, B }, static const struct mode_info mode_info[] = { - MI_ENTRY("evenp", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("parity", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("oddp", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("nl", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("ek", combination, OMIT, 0, 0 ), - MI_ENTRY("sane", combination, OMIT, 0, 0 ), - MI_ENTRY("cooked", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("raw", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("pass8", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("litout", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("cbreak", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("crt", combination, OMIT, 0, 0 ), - MI_ENTRY("dec", combination, OMIT, 0, 0 ), + /* This should be verbatim cut-n-paste copy of the above MI_ENTRYs */ + MI_ENTRY("evenp", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("parity", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("oddp", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("nl", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("ek", combination, OMIT, 0, 0 ) + MI_ENTRY("sane", combination, OMIT, 0, 0 ) + MI_ENTRY("cooked", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("raw", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("pass8", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("litout", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("cbreak", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("crt", combination, OMIT, 0, 0 ) + MI_ENTRY("dec", combination, OMIT, 0, 0 ) #ifdef IXANY - MI_ENTRY("decctlq", combination, REV | OMIT, 0, 0 ), + MI_ENTRY("decctlq", combination, REV | OMIT, 0, 0 ) #endif #if defined(TABDLY) || defined(OXTABS) - MI_ENTRY("tabs", combination, REV | OMIT, 0, 0 ), + MI_ENTRY("tabs", combination, REV | OMIT, 0, 0 ) #endif #if defined(XCASE) && defined(IUCLC) && defined(OLCUC) - MI_ENTRY("lcase", combination, REV | OMIT, 0, 0 ), - MI_ENTRY("LCASE", combination, REV | OMIT, 0, 0 ), -#endif - MI_ENTRY("parenb", control, REV, PARENB, 0 ), - MI_ENTRY("parodd", control, REV, PARODD, 0 ), - MI_ENTRY("cs5", control, 0, CS5, CSIZE), - MI_ENTRY("cs6", control, 0, CS6, CSIZE), - MI_ENTRY("cs7", control, 0, CS7, CSIZE), - MI_ENTRY("cs8", control, 0, CS8, CSIZE), - MI_ENTRY("hupcl", control, REV, HUPCL, 0 ), - MI_ENTRY("hup", control, REV | OMIT, HUPCL, 0 ), - MI_ENTRY("cstopb", control, REV, CSTOPB, 0 ), - MI_ENTRY("cread", control, SANE_SET | REV, CREAD, 0 ), - MI_ENTRY("clocal", control, REV, CLOCAL, 0 ), + MI_ENTRY("lcase", combination, REV | OMIT, 0, 0 ) + MI_ENTRY("LCASE", combination, REV | OMIT, 0, 0 ) +#endif + MI_ENTRY("parenb", control, REV, PARENB, 0 ) + MI_ENTRY("parodd", control, REV, PARODD, 0 ) + MI_ENTRY("cs5", control, 0, CS5, CSIZE) + MI_ENTRY("cs6", control, 0, CS6, CSIZE) + MI_ENTRY("cs7", control, 0, CS7, CSIZE) + MI_ENTRY("cs8", control, 0, CS8, CSIZE) + MI_ENTRY("hupcl", control, REV, HUPCL, 0 ) + MI_ENTRY("hup", control, REV | OMIT, HUPCL, 0 ) + MI_ENTRY("cstopb", control, REV, CSTOPB, 0 ) + MI_ENTRY("cread", control, SANE_SET | REV, CREAD, 0 ) + MI_ENTRY("clocal", control, REV, CLOCAL, 0 ) #ifdef CRTSCTS - MI_ENTRY("crtscts", control, REV, CRTSCTS, 0 ), -#endif - MI_ENTRY("ignbrk", input, SANE_UNSET | REV, IGNBRK, 0 ), - MI_ENTRY("brkint", input, SANE_SET | REV, BRKINT, 0 ), - MI_ENTRY("ignpar", input, REV, IGNPAR, 0 ), - MI_ENTRY("parmrk", input, REV, PARMRK, 0 ), - MI_ENTRY("inpck", input, REV, INPCK, 0 ), - MI_ENTRY("istrip", input, REV, ISTRIP, 0 ), - MI_ENTRY("inlcr", input, SANE_UNSET | REV, INLCR, 0 ), - MI_ENTRY("igncr", input, SANE_UNSET | REV, IGNCR, 0 ), - MI_ENTRY("icrnl", input, SANE_SET | REV, ICRNL, 0 ), - MI_ENTRY("ixon", input, REV, IXON, 0 ), - MI_ENTRY("ixoff", input, SANE_UNSET | REV, IXOFF, 0 ), - MI_ENTRY("tandem", input, REV | OMIT, IXOFF, 0 ), + MI_ENTRY("crtscts", control, REV, CRTSCTS, 0 ) +#endif + MI_ENTRY("ignbrk", input, SANE_UNSET | REV, IGNBRK, 0 ) + MI_ENTRY("brkint", input, SANE_SET | REV, BRKINT, 0 ) + MI_ENTRY("ignpar", input, REV, IGNPAR, 0 ) + MI_ENTRY("parmrk", input, REV, PARMRK, 0 ) + MI_ENTRY("inpck", input, REV, INPCK, 0 ) + MI_ENTRY("istrip", input, REV, ISTRIP, 0 ) + MI_ENTRY("inlcr", input, SANE_UNSET | REV, INLCR, 0 ) + MI_ENTRY("igncr", input, SANE_UNSET | REV, IGNCR, 0 ) + MI_ENTRY("icrnl", input, SANE_SET | REV, ICRNL, 0 ) + MI_ENTRY("ixon", input, REV, IXON, 0 ) + MI_ENTRY("ixoff", input, SANE_UNSET | REV, IXOFF, 0 ) + MI_ENTRY("tandem", input, REV | OMIT, IXOFF, 0 ) #ifdef IUCLC - MI_ENTRY("iuclc", input, SANE_UNSET | REV, IUCLC, 0 ), + MI_ENTRY("iuclc", input, SANE_UNSET | REV, IUCLC, 0 ) #endif #ifdef IXANY - MI_ENTRY("ixany", input, SANE_UNSET | REV, IXANY, 0 ), + MI_ENTRY("ixany", input, SANE_UNSET | REV, IXANY, 0 ) #endif #ifdef IMAXBEL - MI_ENTRY("imaxbel", input, SANE_SET | REV, IMAXBEL, 0 ), + MI_ENTRY("imaxbel", input, SANE_SET | REV, IMAXBEL, 0 ) #endif - MI_ENTRY("opost", output, SANE_SET | REV, OPOST, 0 ), + MI_ENTRY("opost", output, SANE_SET | REV, OPOST, 0 ) #ifdef OLCUC - MI_ENTRY("olcuc", output, SANE_UNSET | REV, OLCUC, 0 ), + MI_ENTRY("olcuc", output, SANE_UNSET | REV, OLCUC, 0 ) #endif #ifdef OCRNL - MI_ENTRY("ocrnl", output, SANE_UNSET | REV, OCRNL, 0 ), + MI_ENTRY("ocrnl", output, SANE_UNSET | REV, OCRNL, 0 ) #endif #ifdef ONLCR - MI_ENTRY("onlcr", output, SANE_SET | REV, ONLCR, 0 ), + MI_ENTRY("onlcr", output, SANE_SET | REV, ONLCR, 0 ) #endif #ifdef ONOCR - MI_ENTRY("onocr", output, SANE_UNSET | REV, ONOCR, 0 ), + MI_ENTRY("onocr", output, SANE_UNSET | REV, ONOCR, 0 ) #endif #ifdef ONLRET - MI_ENTRY("onlret", output, SANE_UNSET | REV, ONLRET, 0 ), + MI_ENTRY("onlret", output, SANE_UNSET | REV, ONLRET, 0 ) #endif #ifdef OFILL - MI_ENTRY("ofill", output, SANE_UNSET | REV, OFILL, 0 ), + MI_ENTRY("ofill", output, SANE_UNSET | REV, OFILL, 0 ) #endif #ifdef OFDEL - MI_ENTRY("ofdel", output, SANE_UNSET | REV, OFDEL, 0 ), + MI_ENTRY("ofdel", output, SANE_UNSET | REV, OFDEL, 0 ) #endif #ifdef NLDLY - MI_ENTRY("nl1", output, SANE_UNSET, NL1, NLDLY), - MI_ENTRY("nl0", output, SANE_SET, NL0, NLDLY), + MI_ENTRY("nl1", output, SANE_UNSET, NL1, NLDLY) + MI_ENTRY("nl0", output, SANE_SET, NL0, NLDLY) #endif #ifdef CRDLY - MI_ENTRY("cr3", output, SANE_UNSET, CR3, CRDLY), - MI_ENTRY("cr2", output, SANE_UNSET, CR2, CRDLY), - MI_ENTRY("cr1", output, SANE_UNSET, CR1, CRDLY), - MI_ENTRY("cr0", output, SANE_SET, CR0, CRDLY), + MI_ENTRY("cr3", output, SANE_UNSET, CR3, CRDLY) + MI_ENTRY("cr2", output, SANE_UNSET, CR2, CRDLY) + MI_ENTRY("cr1", output, SANE_UNSET, CR1, CRDLY) + MI_ENTRY("cr0", output, SANE_SET, CR0, CRDLY) #endif #ifdef TABDLY - MI_ENTRY("tab3", output, SANE_UNSET, TAB3, TABDLY), - MI_ENTRY("tab2", output, SANE_UNSET, TAB2, TABDLY), - MI_ENTRY("tab1", output, SANE_UNSET, TAB1, TABDLY), - MI_ENTRY("tab0", output, SANE_SET, TAB0, TABDLY), + MI_ENTRY("tab3", output, SANE_UNSET, TAB3, TABDLY) + MI_ENTRY("tab2", output, SANE_UNSET, TAB2, TABDLY) + MI_ENTRY("tab1", output, SANE_UNSET, TAB1, TABDLY) + MI_ENTRY("tab0", output, SANE_SET, TAB0, TABDLY) #else # ifdef OXTABS - MI_ENTRY("tab3", output, SANE_UNSET, OXTABS, 0 ), + MI_ENTRY("tab3", output, SANE_UNSET, OXTABS, 0 ) # endif #endif #ifdef BSDLY - MI_ENTRY("bs1", output, SANE_UNSET, BS1, BSDLY), - MI_ENTRY("bs0", output, SANE_SET, BS0, BSDLY), + MI_ENTRY("bs1", output, SANE_UNSET, BS1, BSDLY) + MI_ENTRY("bs0", output, SANE_SET, BS0, BSDLY) #endif #ifdef VTDLY - MI_ENTRY("vt1", output, SANE_UNSET, VT1, VTDLY), - MI_ENTRY("vt0", output, SANE_SET, VT0, VTDLY), + MI_ENTRY("vt1", output, SANE_UNSET, VT1, VTDLY) + MI_ENTRY("vt0", output, SANE_SET, VT0, VTDLY) #endif #ifdef FFDLY - MI_ENTRY("ff1", output, SANE_UNSET, FF1, FFDLY), - MI_ENTRY("ff0", output, SANE_SET, FF0, FFDLY), + MI_ENTRY("ff1", output, SANE_UNSET, FF1, FFDLY) + MI_ENTRY("ff0", output, SANE_SET, FF0, FFDLY) #endif - MI_ENTRY("isig", local, SANE_SET | REV, ISIG, 0 ), - MI_ENTRY("icanon", local, SANE_SET | REV, ICANON, 0 ), + MI_ENTRY("isig", local, SANE_SET | REV, ISIG, 0 ) + MI_ENTRY("icanon", local, SANE_SET | REV, ICANON, 0 ) #ifdef IEXTEN - MI_ENTRY("iexten", local, SANE_SET | REV, IEXTEN, 0 ), -#endif - MI_ENTRY("echo", local, SANE_SET | REV, ECHO, 0 ), - MI_ENTRY("echoe", local, SANE_SET | REV, ECHOE, 0 ), - MI_ENTRY("crterase", local, REV | OMIT, ECHOE, 0 ), - MI_ENTRY("echok", local, SANE_SET | REV, ECHOK, 0 ), - MI_ENTRY("echonl", local, SANE_UNSET | REV, ECHONL, 0 ), - MI_ENTRY("noflsh", local, SANE_UNSET | REV, NOFLSH, 0 ), + MI_ENTRY("iexten", local, SANE_SET | REV, IEXTEN, 0 ) +#endif + MI_ENTRY("echo", local, SANE_SET | REV, ECHO, 0 ) + MI_ENTRY("echoe", local, SANE_SET | REV, ECHOE, 0 ) + MI_ENTRY("crterase", local, REV | OMIT, ECHOE, 0 ) + MI_ENTRY("echok", local, SANE_SET | REV, ECHOK, 0 ) + MI_ENTRY("echonl", local, SANE_UNSET | REV, ECHONL, 0 ) + MI_ENTRY("noflsh", local, SANE_UNSET | REV, NOFLSH, 0 ) #ifdef XCASE - MI_ENTRY("xcase", local, SANE_UNSET | REV, XCASE, 0 ), + MI_ENTRY("xcase", local, SANE_UNSET | REV, XCASE, 0 ) #endif #ifdef TOSTOP - MI_ENTRY("tostop", local, SANE_UNSET | REV, TOSTOP, 0 ), + MI_ENTRY("tostop", local, SANE_UNSET | REV, TOSTOP, 0 ) #endif #ifdef ECHOPRT - MI_ENTRY("echoprt", local, SANE_UNSET | REV, ECHOPRT, 0 ), - MI_ENTRY("prterase", local, REV | OMIT, ECHOPRT, 0 ), + MI_ENTRY("echoprt", local, SANE_UNSET | REV, ECHOPRT, 0 ) + MI_ENTRY("prterase", local, REV | OMIT, ECHOPRT, 0 ) #endif #ifdef ECHOCTL - MI_ENTRY("echoctl", local, SANE_SET | REV, ECHOCTL, 0 ), - MI_ENTRY("ctlecho", local, REV | OMIT, ECHOCTL, 0 ), + MI_ENTRY("echoctl", local, SANE_SET | REV, ECHOCTL, 0 ) + MI_ENTRY("ctlecho", local, REV | OMIT, ECHOCTL, 0 ) #endif #ifdef ECHOKE - MI_ENTRY("echoke", local, SANE_SET | REV, ECHOKE, 0 ), - MI_ENTRY("crtkill", local, REV | OMIT, ECHOKE, 0 ), + MI_ENTRY("echoke", local, SANE_SET | REV, ECHOKE, 0 ) + MI_ENTRY("crtkill", local, REV | OMIT, ECHOKE, 0 ) #endif }; @@ -322,15 +482,15 @@ enum { NUM_mode_info = ARRAY_SIZE(mode_info) }; + /* Control characters */ struct control_info { - const char name[7]; /* Name given on command line */ - const unsigned char saneval; /* Value to set for 'stty sane' */ - const unsigned char offset; /* Offset in c_cc */ + const uint8_t saneval; /* Value to set for 'stty sane' */ + const uint8_t offset; /* Offset in c_cc */ }; enum { - /* Must match control_info[] order! */ + /* Must match control_name[] and control_info[] order! */ CIDX_intr = 0, CIDX_quit, CIDX_erase, @@ -368,60 +528,111 @@ enum { CIDX_time, }; +#define CI_ENTRY(n,s,o) n "\0" + +/* Name given on command line */ +static const char control_name[] = + CI_ENTRY("intr", CINTR, VINTR ) + CI_ENTRY("quit", CQUIT, VQUIT ) + CI_ENTRY("erase", CERASE, VERASE ) + CI_ENTRY("kill", CKILL, VKILL ) + CI_ENTRY("eof", CEOF, VEOF ) + CI_ENTRY("eol", CEOL, VEOL ) +#ifdef VEOL2 + CI_ENTRY("eol2", CEOL2, VEOL2 ) +#endif +#ifdef VSWTCH + CI_ENTRY("swtch", CSWTCH, VSWTCH ) +#endif + CI_ENTRY("start", CSTART, VSTART ) + CI_ENTRY("stop", CSTOP, VSTOP ) + CI_ENTRY("susp", CSUSP, VSUSP ) +#ifdef VDSUSP + CI_ENTRY("dsusp", CDSUSP, VDSUSP ) +#endif +#ifdef VREPRINT + CI_ENTRY("rprnt", CRPRNT, VREPRINT) +#endif +#ifdef VWERASE + CI_ENTRY("werase", CWERASE, VWERASE ) +#endif +#ifdef VLNEXT + CI_ENTRY("lnext", CLNEXT, VLNEXT ) +#endif +#ifdef VFLUSHO + CI_ENTRY("flush", CFLUSHO, VFLUSHO ) +#endif +#ifdef VSTATUS + CI_ENTRY("status", CSTATUS, VSTATUS ) +#endif + /* These must be last because of the display routines */ + CI_ENTRY("min", 1, VMIN ) + CI_ENTRY("time", 0, VTIME ) + ; + +#undef CI_ENTRY +#define CI_ENTRY(n,s,o) { s, o }, + static const struct control_info control_info[] = { - {"intr", CINTR, VINTR}, - {"quit", CQUIT, VQUIT}, - {"erase", CERASE, VERASE}, - {"kill", CKILL, VKILL}, - {"eof", CEOF, VEOF}, - {"eol", CEOL, VEOL}, + /* This should be verbatim cut-n-paste copy of the above CI_ENTRYs */ + CI_ENTRY("intr", CINTR, VINTR ) + CI_ENTRY("quit", CQUIT, VQUIT ) + CI_ENTRY("erase", CERASE, VERASE ) + CI_ENTRY("kill", CKILL, VKILL ) + CI_ENTRY("eof", CEOF, VEOF ) + CI_ENTRY("eol", CEOL, VEOL ) #ifdef VEOL2 - {"eol2", CEOL2, VEOL2}, + CI_ENTRY("eol2", CEOL2, VEOL2 ) #endif #ifdef VSWTCH - {"swtch", CSWTCH, VSWTCH}, + CI_ENTRY("swtch", CSWTCH, VSWTCH ) #endif - {"start", CSTART, VSTART}, - {"stop", CSTOP, VSTOP}, - {"susp", CSUSP, VSUSP}, + CI_ENTRY("start", CSTART, VSTART ) + CI_ENTRY("stop", CSTOP, VSTOP ) + CI_ENTRY("susp", CSUSP, VSUSP ) #ifdef VDSUSP - {"dsusp", CDSUSP, VDSUSP}, + CI_ENTRY("dsusp", CDSUSP, VDSUSP ) #endif #ifdef VREPRINT - {"rprnt", CRPRNT, VREPRINT}, + CI_ENTRY("rprnt", CRPRNT, VREPRINT) #endif #ifdef VWERASE - {"werase", CWERASE, VWERASE}, + CI_ENTRY("werase", CWERASE, VWERASE ) #endif #ifdef VLNEXT - {"lnext", CLNEXT, VLNEXT}, + CI_ENTRY("lnext", CLNEXT, VLNEXT ) #endif #ifdef VFLUSHO - {"flush", CFLUSHO, VFLUSHO}, + CI_ENTRY("flush", CFLUSHO, VFLUSHO ) #endif #ifdef VSTATUS - {"status", CSTATUS, VSTATUS}, + CI_ENTRY("status", CSTATUS, VSTATUS ) #endif /* These must be last because of the display routines */ - {"min", 1, VMIN}, - {"time", 0, VTIME}, + CI_ENTRY("min", 1, VMIN ) + CI_ENTRY("time", 0, VTIME ) }; enum { NUM_control_info = ARRAY_SIZE(control_info) }; -/* The width of the screen, for output wrapping */ -static unsigned max_col = 80; /* default */ struct globals { + const char *device_name; // = bb_msg_standard_input; + /* The width of the screen, for output wrapping */ + unsigned max_col; // = 80; /* Current position, to know when to wrap */ unsigned current_col; char buf[10]; }; #define G (*(struct globals*)&bb_common_bufsiz1) +#define INIT_G() \ + do { \ + G.device_name = bb_msg_standard_input; \ + G.max_col = 80; \ + } while (0) -static const char *device_name = bb_msg_standard_input; /* Return a string that is the printable representation of character CH */ /* Adapted from 'cat' by Torbjorn Granlund */ @@ -454,7 +665,7 @@ static const char *visible(unsigned ch) static tcflag_t *mode_type_flag(unsigned type, const struct termios *mode) { - static const unsigned char tcflag_offsets[] ALIGN1 = { + static const uint8_t tcflag_offsets[] ALIGN1 = { offsetof(struct termios, c_cflag), /* control */ offsetof(struct termios, c_iflag), /* input */ offsetof(struct termios, c_oflag), /* output */ @@ -484,12 +695,12 @@ static void set_speed_or_die(enum speed_setting type, const char *const arg, static ATTRIBUTE_NORETURN void perror_on_device_and_die(const char *fmt) { - bb_perror_msg_and_die(fmt, device_name); + bb_perror_msg_and_die(fmt, G.device_name); } static void perror_on_device(const char *fmt) { - bb_perror_msg(fmt, device_name); + bb_perror_msg(fmt, G.device_name); } /* Print format string MESSAGE and optional args. @@ -511,7 +722,7 @@ static void wrapf(const char *message, ...) if (G.current_col > 0) { G.current_col++; if (buf[0] != '\n') { - if (G.current_col + buflen >= max_col) { + if (G.current_col + buflen >= G.max_col) { bb_putchar('\n'); G.current_col = 0; } else @@ -526,7 +737,7 @@ static void wrapf(const char *message, ...) static void set_window_size(const int rows, const int cols) { - struct winsize win = { 0, 0, 0, 0}; + struct winsize win = { 0, 0, 0, 0 }; if (ioctl(STDIN_FILENO, TIOCGWINSZ, &win)) { if (errno != EINVAL) { @@ -569,20 +780,30 @@ static const struct suffix_mult stty_suffixes[] = { static const struct mode_info *find_mode(const char *name) { - int i; - for (i = 0; i < NUM_mode_info; ++i) - if (!strcmp(name, mode_info[i].name)) + int i = 0; + const char *m = mode_name; + + while (*m) { + if (strcmp(name, m) == 0) return &mode_info[i]; - return 0; + m += strlen(m) + 1; + i++; + } + return NULL; } static const struct control_info *find_control(const char *name) { - int i; - for (i = 0; i < NUM_control_info; ++i) - if (!strcmp(name, control_info[i].name)) + int i = 0; + const char *m = mode_name; + + while (*m) { + if (strcmp(name, m) == 0) return &control_info[i]; - return 0; + m += strlen(m) + 1; + i++; + } + return NULL; } enum { @@ -704,7 +925,7 @@ static void do_display(const struct termios *mode, const int all) continue; } #endif - wrapf("%s = %s;", control_info[i].name, + wrapf("%s = %s;", nth_string(control_name, i), visible(mode->c_cc[control_info[i].offset])); } #if VEOF == VMIN @@ -726,12 +947,13 @@ static void do_display(const struct termios *mode, const int all) mask = mode_info[i].mask ? mode_info[i].mask : mode_info[i].bits; if ((*bitsp & mask) == mode_info[i].bits) { if (all || (mode_info[i].flags & SANE_UNSET)) - wrapf("%s", mode_info[i].name); + wrapf("-%s"+1, nth_string(mode_name, i)); } else { - if ((all && mode_info[i].flags & REV) || - (!all && - (mode_info[i].flags & (SANE_SET | REV)) == (SANE_SET | REV))) - wrapf("-%s", mode_info[i].name); + if ((all && mode_info[i].flags & REV) + || (!all && (mode_info[i].flags & (SANE_SET | REV)) == (SANE_SET | REV)) + ) { + wrapf("-%s", nth_string(mode_name, i)); + } } } if (G.current_col) wrapf("\n"); @@ -861,8 +1083,8 @@ static void set_mode(const struct mode_info *info, int reversed, mode->c_oflag &= ~OPOST; } } else if (info == &mode_info[IDX_raw] || info == &mode_info[IDX_cooked]) { - if ((info->name[0] == 'r' && reversed) - || (info->name[0] == 'c' && !reversed) + if ((info == &mode_info[IDX_raw] && reversed) + || (info == &mode_info[IDX_cooked] && !reversed) ) { /* Cooked mode */ mode->c_iflag |= BRKINT | IGNPAR | ISTRIP | ICRNL | IXON; @@ -944,11 +1166,12 @@ static void set_control_char_or_die(const struct control_info *info, mode->c_cc[info->offset] = value; } -#define STTY_require_set_attr (1<<0) -#define STTY_speed_was_set (1<<1) -#define STTY_verbose_output (1<<2) -#define STTY_recoverable_output (1<<3) -#define STTY_noargs (1<<4) +#define STTY_require_set_attr (1 << 0) +#define STTY_speed_was_set (1 << 1) +#define STTY_verbose_output (1 << 2) +#define STTY_recoverable_output (1 << 3) +#define STTY_noargs (1 << 4) + int stty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int stty_main(int argc, char **argv) { @@ -959,6 +1182,8 @@ int stty_main(int argc, char **argv) int stty_state; int k; + INIT_G(); + stty_state = STTY_noargs; output_func = do_display; @@ -1086,8 +1311,8 @@ int stty_main(int argc, char **argv) /* Now it is safe to start doing things */ if (file_name) { int fd, fdflags; - device_name = file_name; - fd = xopen(device_name, O_RDONLY | O_NONBLOCK); + G.device_name = file_name; + fd = xopen(G.device_name, O_RDONLY | O_NONBLOCK); if (fd != STDIN_FILENO) { dup2(fd, STDIN_FILENO); close(fd); @@ -1105,7 +1330,7 @@ int stty_main(int argc, char **argv) perror_on_device_and_die("%s"); if (stty_state & (STTY_verbose_output | STTY_recoverable_output | STTY_noargs)) { - get_terminal_width_height(STDOUT_FILENO, &max_col, NULL); + get_terminal_width_height(STDOUT_FILENO, &G.max_col, NULL); output_func(&mode, display_all); return EXIT_SUCCESS; } |