X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=progs%2Ftset.c;h=21203e3de07468618ababe2e4d1f38ef961d1a18;hp=20679c5e7d98b1eba2c6b32225cf96691e6e3540;hb=73ab536b636227eed291dad213ca88c93d422fb8;hpb=e6c7286022d8a7a7ea7f15a6ffa7f9addb00e42d diff --git a/progs/tset.c b/progs/tset.c index 20679c5e..21203e3d 100644 --- a/progs/tset.c +++ b/progs/tset.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. * + * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -32,6 +32,22 @@ * and: Thomas E. Dickey 1996-on * ****************************************************************************/ +/* + * Notes: + * The initial adaptation from 4.4BSD Lite sources in September 1995 used 686 + * lines from that version, and made changes/additions for 150 lines. There + * was no reformatting, so with/without ignoring whitespace, the amount of + * change is the same. + * + * Comparing with current (2009) source, excluding this comment: + * a) 209 lines match identically to the 4.4BSD Lite sources, with 771 lines + * changed/added. + * a) Ignoring whitespace, the current version still uses 516 lines from the + * 4.4BSD Lite sources, with 402 lines changed/added. + * + * Raymond's original comment on this follows... + */ + /* * tset.c - terminal initialization utility * @@ -52,11 +68,7 @@ * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors + * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * @@ -73,6 +85,7 @@ * SUCH DAMAGE. */ +#define USE_LIBTINFO #define __INTERNAL_CAPS_VISIBLE /* we need to see has_hardware_tabs */ #include @@ -88,9 +101,12 @@ char *ttyname(int fd); #endif -/* this is just to stifle a missing-prototype warning */ -#ifdef linux -# include +#if HAVE_SIZECHANGE +# if !defined(sun) || !TERMIOS +# if HAVE_SYS_IOCTL_H +# include +# endif +# endif #endif #if NEED_PTEM_H @@ -103,13 +119,39 @@ char *ttyname(int fd); #include #include -MODULE_ID("$Id: tset.c,v 1.69 2007/09/29 15:51:35 tom Exp $") +MODULE_ID("$Id: tset.c,v 1.92 2013/10/12 22:17:20 tom Exp $") +/* + * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS, + * Solaris, IRIX) define TIOCGWINSZ and struct winsize. + */ +#ifdef TIOCGSIZE +# define IOCTL_GET_WINSIZE TIOCGSIZE +# define IOCTL_SET_WINSIZE TIOCSSIZE +# define STRUCT_WINSIZE struct ttysize +# define WINSIZE_ROWS(n) n.ts_lines +# define WINSIZE_COLS(n) n.ts_cols +#else +# ifdef TIOCGWINSZ +# define IOCTL_GET_WINSIZE TIOCGWINSZ +# define IOCTL_SET_WINSIZE TIOCSWINSZ +# define STRUCT_WINSIZE struct winsize +# define WINSIZE_ROWS(n) n.ws_row +# define WINSIZE_COLS(n) n.ws_col +# endif +#endif + +#ifndef environ extern char **environ; +#endif #undef CTRL #define CTRL(x) ((x) & 0x1f) +static void failed(const char *) GCC_NORETURN; +static void exit_error(void) GCC_NORETURN; +static void err(const char *,...) GCC_NORETURN; + const char *_nc_progname = "tset"; static TTY mode, oldmode, original; @@ -122,7 +164,10 @@ static bool isreset = FALSE; /* invoked as reset */ static int terasechar = -1; /* new erase character */ static int intrchar = -1; /* new interrupt character */ static int tkillchar = -1; /* new kill character */ + +#if HAVE_SIZECHANGE static int tlines, tcolumns; /* window size */ +#endif #define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c)) @@ -165,13 +210,13 @@ static void failed(const char *msg) { char temp[BUFSIZ]; - unsigned len = strlen(_nc_progname) + 2; + size_t len = strlen(_nc_progname) + 2; - if (len < sizeof(temp) - 12) { - strcpy(temp, _nc_progname); - strcat(temp, ": "); + if ((int) len < (int) sizeof(temp) - 12) { + _nc_STRCPY(temp, _nc_progname, sizeof(temp)); + _nc_STRCAT(temp, ": ", sizeof(temp)); } else { - strcpy(temp, "tset: "); + _nc_STRCPY(temp, "tset: ", sizeof(temp)); } perror(strncat(temp, msg, sizeof(temp) - strlen(temp) - 2)); exit_error(); @@ -361,9 +406,13 @@ add_mapping(const char *port, char *arg) char *base = 0; copy = strdup(arg); - mapp = (MAP *) malloc(sizeof(MAP)); + mapp = typeMalloc(MAP, 1); if (copy == 0 || mapp == 0) failed("malloc"); + + assert(copy != 0); + assert(mapp != 0); + mapp->next = 0; if (maplist == 0) cur = maplist = mapp; @@ -425,9 +474,6 @@ add_mapping(const char *port, char *arg) mapp->speed = tbaudrate(p); } - if (arg == (char *) 0) /* Non-optional type. */ - goto badmopt; - mapp->type = arg; /* Terminate porttype, if specified. */ @@ -439,11 +485,15 @@ add_mapping(const char *port, char *arg) mapp->conditional = ~mapp->conditional & (EQ | GT | LT); /* If user specified a port with an option flag, set it. */ - done:if (port) { - if (mapp->porttype) - badmopt:err("illegal -m option format: %s", copy); + done: + if (port) { + if (mapp->porttype) { + badmopt: + err("illegal -m option format: %s", copy); + } mapp->porttype = port; } + free(copy); #ifdef MAPDEBUG (void) printf("port: %s\n", mapp->porttype ? mapp->porttype : "ANY"); (void) printf("type: %s\n", mapp->type); @@ -481,19 +531,19 @@ mapped(const char *type) match = TRUE; break; case EQ: - match = (ospeed == mapp->speed); + match = ((int) ospeed == mapp->speed); break; case GE: - match = (ospeed >= mapp->speed); + match = ((int) ospeed >= mapp->speed); break; case GT: - match = (ospeed > mapp->speed); + match = ((int) ospeed > mapp->speed); break; case LE: - match = (ospeed <= mapp->speed); + match = ((int) ospeed <= mapp->speed); break; case LT: - match = (ospeed < mapp->speed); + match = ((int) ospeed < mapp->speed); break; default: match = FALSE; @@ -742,14 +792,14 @@ reset_mode(void) mode.c_cc[VWERASE] = CHK(mode.c_cc[VWERASE], CWERASE); #endif - mode.c_iflag &= ~(IGNBRK | PARMRK | INPCK | ISTRIP | INLCR | IGNCR + mode.c_iflag &= ~((unsigned) (IGNBRK | PARMRK | INPCK | ISTRIP | INLCR | IGNCR #ifdef IUCLC - | IUCLC + | IUCLC #endif #ifdef IXANY - | IXANY + | IXANY #endif - | IXOFF); + | IXOFF)); mode.c_iflag |= (BRKINT | IGNPAR | ICRNL | IXON #ifdef IMAXBEL @@ -757,44 +807,44 @@ reset_mode(void) #endif ); - mode.c_oflag &= ~(0 + mode.c_oflag &= ~((unsigned) (0 #ifdef OLCUC - | OLCUC + | OLCUC #endif #ifdef OCRNL - | OCRNL + | OCRNL #endif #ifdef ONOCR - | ONOCR + | ONOCR #endif #ifdef ONLRET - | ONLRET + | ONLRET #endif #ifdef OFILL - | OFILL + | OFILL #endif #ifdef OFDEL - | OFDEL + | OFDEL #endif #ifdef NLDLY - | NLDLY + | NLDLY #endif -#ifdef CRDLY - | CRDLY +#ifdef CRDLY + | CRDLY #endif -#ifdef TABDLY - | TABDLY +#ifdef TABDLY + | TABDLY #endif -#ifdef BSDLY - | BSDLY +#ifdef BSDLY + | BSDLY #endif -#ifdef VTDLY - | VTDLY +#ifdef VTDLY + | VTDLY #endif #ifdef FFDLY - | FFDLY + | FFDLY #endif - ); + )); mode.c_oflag |= (OPOST #ifdef ONLCR @@ -802,19 +852,19 @@ reset_mode(void) #endif ); - mode.c_cflag &= ~(CSIZE | CSTOPB | PARENB | PARODD | CLOCAL); + mode.c_cflag &= ~((unsigned) (CSIZE | CSTOPB | PARENB | PARODD | CLOCAL)); mode.c_cflag |= (CS8 | CREAD); - mode.c_lflag &= ~(ECHONL | NOFLSH + mode.c_lflag &= ~((unsigned) (ECHONL | NOFLSH #ifdef TOSTOP - | TOSTOP + | TOSTOP #endif #ifdef ECHOPTR - | ECHOPRT + | ECHOPRT #endif #ifdef XCASE - | XCASE + | XCASE #endif - ); + )); mode.c_lflag |= (ISIG | ICANON | ECHO | ECHOE | ECHOK #ifdef ECHOCTL @@ -861,14 +911,23 @@ static void set_control_chars(void) { #ifdef TERMIOS - if (DISABLED(mode.c_cc[VERASE]) || terasechar >= 0) - mode.c_cc[VERASE] = terasechar >= 0 ? terasechar : default_erase(); + if (DISABLED(mode.c_cc[VERASE]) || terasechar >= 0) { + mode.c_cc[VERASE] = UChar((terasechar >= 0) + ? terasechar + : default_erase()); + } - if (DISABLED(mode.c_cc[VINTR]) || intrchar >= 0) - mode.c_cc[VINTR] = intrchar >= 0 ? intrchar : CINTR; + if (DISABLED(mode.c_cc[VINTR]) || intrchar >= 0) { + mode.c_cc[VINTR] = UChar((intrchar >= 0) + ? intrchar + : CINTR); + } - if (DISABLED(mode.c_cc[VKILL]) || tkillchar >= 0) - mode.c_cc[VKILL] = tkillchar >= 0 ? tkillchar : CKILL; + if (DISABLED(mode.c_cc[VKILL]) || tkillchar >= 0) { + mode.c_cc[VKILL] = UChar((tkillchar >= 0) + ? tkillchar + : CKILL); + } #endif } @@ -924,9 +983,9 @@ set_conversions(void) if (newline != (char *) 0 && newline[0] == '\n' && !newline[1]) { /* Newline, not linefeed. */ #ifdef ONLCR - mode.c_oflag &= ~ONLCR; + mode.c_oflag &= ~((unsigned) ONLCR); #endif - mode.c_iflag &= ~ICRNL; + mode.c_iflag &= ~((unsigned) ICRNL); } #ifdef __OBSOLETE__ if (tgetflag("HD")) /* Half duplex. */ @@ -997,11 +1056,18 @@ set_tabs(void) { if (set_tab && clear_all_tabs) { int c; + int lim = +#if HAVE_SIZECHANGE + tcolumns +#else + columns +#endif + ; (void) putc('\r', stderr); /* Force to left margin. */ tputs(clear_all_tabs, 0, outc); - for (c = 8; c < tcolumns; c += 8) { + for (c = 8; c < lim; c += 8) { /* Get to the right column. In BSD tset, this * used to try a bunch of half-clever things * with cup and hpa, for an average saving of @@ -1127,17 +1193,14 @@ usage(void) static char arg_to_char(void) { - return (optarg[0] == '^' && optarg[1] != '\0') - ? ((optarg[1] == '?') ? '\177' : CTRL(optarg[1])) - : optarg[0]; + return (char) ((optarg[0] == '^' && optarg[1] != '\0') + ? ((optarg[1] == '?') ? '\177' : CTRL(optarg[1])) + : optarg[0]); } int main(int argc, char **argv) { -#if defined(TIOCGWINSZ) && defined(TIOCSWINSZ) - struct winsize win; -#endif int ch, noinit, noset, quiet, Sflag, sflag, showterm; const char *p; const char *ttype; @@ -1217,31 +1280,33 @@ main(int argc, char **argv) can_restore = TRUE; original = oldmode = mode; #ifdef TERMIOS - ospeed = cfgetospeed(&mode); + ospeed = (NCURSES_OSPEED) cfgetospeed(&mode); #else - ospeed = mode.sg_ospeed; + ospeed = (NCURSES_OSPEED) mode.sg_ospeed; #endif - if (!strcmp(_nc_progname, PROG_RESET)) { + if (same_program(_nc_progname, PROG_RESET)) { isreset = TRUE; reset_mode(); } - ttype = get_termcap_entry(*argv); + (void) get_termcap_entry(*argv); if (!noset) { +#if HAVE_SIZECHANGE tcolumns = columns; tlines = lines; -#if defined(TIOCGWINSZ) && defined(TIOCSWINSZ) if (opt_w) { - /* Set window size */ - (void) ioctl(STDERR_FILENO, TIOCGWINSZ, &win); - if (win.ws_row == 0 && win.ws_col == 0 && + STRUCT_WINSIZE win; + /* Set window size if not set already */ + (void) ioctl(STDERR_FILENO, IOCTL_GET_WINSIZE, &win); + if (WINSIZE_ROWS(win) == 0 && + WINSIZE_COLS(win) == 0 && tlines > 0 && tcolumns > 0) { - win.ws_row = tlines; - win.ws_col = tcolumns; - (void) ioctl(STDERR_FILENO, TIOCSWINSZ, &win); + WINSIZE_ROWS(win) = tlines; + WINSIZE_COLS(win) = tcolumns; + (void) ioctl(STDERR_FILENO, IOCTL_SET_WINSIZE, &win); } } #endif @@ -1292,7 +1357,7 @@ main(int argc, char **argv) * environmental variable SHELL ending in "csh". */ if ((var = getenv("SHELL")) != 0 - && ((len = strlen(leaf = _nc_basename(var))) >= 3) + && ((len = (int) strlen(leaf = _nc_basename(var))) >= 3) && !strcmp(leaf + len - 3, "csh")) p = "set noglob;\nsetenv TERM %s;\nunset noglob;\n"; else