ncurses 6.2 - patch 20210904

[ncurses.git] / progs / tset.c

diff --git a/progs/tset.c b/progs/tset.c
index d660d84d0f21787787eb24dccaee93a0d1e25bf9..7fd916346aee2346e6291579358d1395d0814615 100644 (file)
--- a/progs/tset.c
+++ b/progs/tset.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
+ * Copyright 2020,2021 Thomas E. Dickey                                     *
+ * Copyright 1998-2016,2017 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            *
@@ -97,7 +98,7 @@
 char *ttyname(int fd);
 #endif
 
-MODULE_ID("$Id: tset.c,v 1.116 2017/01/07 22:48:20 tom Exp $")
+MODULE_ID("$Id: tset.c,v 1.128 2021/04/03 23:03:48 tom Exp $")
 
 #ifndef environ
 extern char **environ;
@@ -107,7 +108,7 @@ const char *_nc_progname = "tset";
 
 #define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
 
-static void exit_error(void) GCC_NORETURN;
+static GCC_NORETURN void exit_error(void);
 
 static int
 CaselessCmp(const char *a, const char *b)
@@ -121,7 +122,7 @@ CaselessCmp(const char *a, const char *b)
     return LOWERCASE(*a) - LOWERCASE(*b);
 }
 
-static void
+static GCC_NORETURN void
 exit_error(void)
 {
     restore_tty_settings();
@@ -131,8 +132,8 @@ exit_error(void)
     /* NOTREACHED */
 }
 
-static void
-err(const char *fmt,...)
+static GCC_NORETURN void
+err(const char *fmt, ...)
 {
     va_list ap;
     va_start(ap, fmt);
@@ -143,7 +144,7 @@ err(const char *fmt,...)
     /* NOTREACHED */
 }
 
-static void
+static GCC_NORETURN void
 failed(const char *msg)
 {
     char temp[BUFSIZ];
@@ -166,7 +167,6 @@ static const char *
 askuser(const char *dflt)
 {
     static char answer[256];
-    char *p;
 
     /* We can get recalled; if so, don't continue uselessly. */
     clearerr(stdin);
@@ -175,7 +175,10 @@ askuser(const char *dflt)
        exit_error();
        /* NOTREACHED */
     }
+
     for (;;) {
+       char *p;
+
        if (dflt)
            (void) fprintf(stderr, "Terminal type? [%s] ", dflt);
        else
@@ -226,10 +229,16 @@ static MAP *cur, *maplist;
 #define DATA(name,value) { { name }, value }
 
 typedef struct speeds {
-    const char string[7];
+    const char string[8];
     int speed;
 } SPEEDS;
 
+#if defined(EXP_WIN32_DRIVER)
+static const SPEEDS speeds[] =
+{
+    {"0", 0}
+};
+#else
 static const SPEEDS speeds[] =
 {
     DATA("0", B0),
@@ -330,6 +339,7 @@ static const SPEEDS speeds[] =
 #endif
 };
 #undef DATA
+#endif
 
 static int
 tbaudrate(char *rate)
@@ -711,27 +721,36 @@ print_shell_commands(const char *ttype)
 static void
 usage(void)
 {
-#define DATA(s) s "\n"
+#define SKIP(s)                        /* nothing */
+#define KEEP(s) s "\n"
     static const char msg[] =
     {
-       DATA("")
-       DATA("Options:")
-       DATA("  -c          set control characters")
-       DATA("  -e ch       erase character")
-       DATA("  -I          no initialization strings")
-       DATA("  -i ch       interrupt character")
-       DATA("  -k ch       kill character")
-       DATA("  -m mapping  map identifier to type")
-       DATA("  -Q          do not output control key settings")
-       DATA("  -r          display term on stderr")
-       DATA("  -s          output TERM set command")
-       DATA("  -V          print curses-version")
-       DATA("  -w          set window-size")
+       KEEP("")
+       KEEP("Options:")
+       SKIP("  -a arpanet  (obsolete)")
+       KEEP("  -c          set control characters")
+       SKIP("  -d dialup   (obsolete)")
+       KEEP("  -e ch       erase character")
+       KEEP("  -I          no initialization strings")
+       KEEP("  -i ch       interrupt character")
+       KEEP("  -k ch       kill character")
+       KEEP("  -m mapping  map identifier to type")
+       SKIP("  -p plugboard (obsolete)")
+       KEEP("  -Q          do not output control key settings")
+       KEEP("  -q          display term only, do no changes")
+       KEEP("  -r          display term on stderr")
+       SKIP("  -S          (obsolete)")
+       KEEP("  -s          output TERM set command")
+       KEEP("  -V          print curses-version")
+       KEEP("  -w          set window-size")
+       KEEP("")
+       KEEP("If neither -c/-w are given, both are assumed.")
     };
-#undef DATA
+#undef KEEP
+#undef SKIP
     (void) fprintf(stderr, "Usage: %s [options] [terminal]\n", _nc_progname);
     fputs(msg, stderr);
-    exit_error();
+    ExitProgram(EXIT_FAILURE);
     /* NOTREACHED */
 }
 
@@ -751,15 +770,14 @@ main(int argc, char **argv)
     int terasechar = -1;       /* new erase character */
     int intrchar = -1;         /* new interrupt character */
     int tkillchar = -1;                /* new kill character */
-    int my_fd = -1;
+    int my_fd;
     bool opt_c = FALSE;                /* set control-chars */
     bool opt_w = FALSE;                /* set window-size */
     TTY mode, oldmode;
 
-    my_fd = STDERR_FILENO;
     obsolete(argv);
     noinit = noset = quiet = Sflag = sflag = showterm = 0;
-    while ((ch = getopt(argc, argv, "a:cd:e:Ii:k:m:p:qQSrsVw")) != -1) {
+    while ((ch = getopt(argc, argv, "a:cd:e:Ii:k:m:p:qQrSsVw")) != -1) {
        switch (ch) {
        case 'c':               /* set control-chars */
            opt_c = TRUE;
@@ -825,10 +843,12 @@ main(int argc, char **argv)
     if (!opt_c && !opt_w)
        opt_c = opt_w = TRUE;
 
-    my_fd = save_tty_settings(&mode);
+    my_fd = save_tty_settings(&mode, TRUE);
     oldmode = mode;
 #ifdef TERMIOS
     ospeed = (NCURSES_OSPEED) cfgetospeed(&mode);
+#elif defined(EXP_WIN32_DRIVER)
+    ospeed = 0;
 #else
     ospeed = (NCURSES_OSPEED) mode.sg_ospeed;
 #endif