readln.h File Reference

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Go to the source code of this file.

Macros
#define	kHistoryFileName   "history"

Functions
void	GetScreenColumns (void)
void	InitTermcap (void)
void	InitReadline (void)
void	ReCacheBookmarks (void)
char *	Readline (char *)
void	AddHistory (char *)
void	PrintStartupBanner (void)
void	SetXtermTitle (const char *const fmt,...)
void	MakePrompt (char *, size_t)
void	SaveHistory (void)
void	LoadHistory (void)
void	DisposeReadline (void)

Macro Definition Documentation

kHistoryFileName

#define kHistoryFileName   "history"

Definition at line 11 of file readln.h.

Function Documentation

AddHistory()

void AddHistory

(

char *

line

)

Definition at line 699 of file readln.c.

{
    gl_histadd(line);
}   /* AddHistory */

Referenced by CommandShell().

DisposeReadline()

void DisposeReadline

(

void

)

Definition at line 707 of file readln.c.

{
    SaveHistory();
}   /* DisposeReadline */

Referenced by PostShell().

GetScreenColumns()

void GetScreenColumns

(

void

)

Definition at line 55 of file readln.c.

{
#if defined(WIN32) || defined(_WINDOWS)
    CONSOLE_SCREEN_BUFFER_INFO csbi;
 
    if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi)) {
        gScreenColumns = (int) csbi.dwSize.X;
        if (gScreenColumns < 80)
            gScreenColumns = 80;
    }
#else   /* Unix */
#ifdef BINDIR
    char ncftpbookmarks[256];
    FILE *infp;
    vsigproc_t osigpipe;
    int columns;
#endif  /* BINDIR */
    char *cp;
 
    if ((cp = (char *) getenv("COLUMNS")) == NULL) {
        gScreenColumns = 80;
    } else {
        gScreenColumns = atoi(cp);
        return;
    }
 
#ifdef TIOCGWINSZ
    {
        struct winsize felix;
 
        memset(&felix, 0, sizeof(felix));
        if (ioctl(0, TIOCGWINSZ, &felix) == 0) {
            columns = felix.ws_col;
            if ((columns > 0) && (columns < GL_BUF_SIZE))
                gScreenColumns = columns;
            else
                gScreenColumns = 80;
            return;
        }
    }
#endif
 
#ifdef BINDIR
    /* Don't run things as root unless really necessary. */
    if (gUid == 0)
        return;
 
    /* This is a brutal hack where we've hacked a
     * special command line option into ncftp_bookmarks
     * (which is linked with curses) so that it computes
     * the screen size and prints it to stdout.
     *
     * This function runs ncftp_bookmarks and gets
     * that information.  The reason we do this is that
     * we may or may not have a sane installation of
     * curses/termcap, and we don't want to increase
     * NcFTP's complexity by the curses junk just to
     * get the screen size.  Instead, we delegate this
     * to ncftp_bookmarks which already deals with the
     * ugliness of curses.
     */
 
    STRNCPY(ncftpbookmarks, BINDIR);
    STRNCAT(ncftpbookmarks, "/");
    STRNCAT(ncftpbookmarks, "ncftpbookmarks");
 
    if (access(ncftpbookmarks, X_OK) < 0)
        return;
 
    STRNCAT(ncftpbookmarks, " --dimensions-terse");
 
    osigpipe = NcSignal(SIGPIPE, SIG_IGN);
    infp = popen(ncftpbookmarks, "r");
    if (infp != NULL) {
        columns = 0;
        (void) fscanf(infp, "%d", &columns);
        while (getc(infp) != EOF) {}
        (void) pclose(infp);
 
        if ((columns > 0) && (columns < GL_BUF_SIZE))
            gScreenColumns = columns;
    }
    (void) NcSignal(SIGPIPE, (sigproc_t) osigpipe);
#endif  /* BINDIR */
#endif  /* Windows */
}   /* GetScreenColumns */

Referenced by PreInit().

InitReadline()

void InitReadline

(

void

)

Definition at line 659 of file readln.c.

{
    gl_completion_proc = CompletionFunction;
    gl_setwidth(gScreenColumns);
    LoadHistory();
    ReCacheBookmarks();
}   /* InitReadline */

Referenced by PostInit().

InitTermcap()

void InitTermcap

(

void

)

Definition at line 148 of file readln.c.

{
#if (defined(WIN32) || defined(_WINDOWS)) && defined(_CONSOLE)
    gXterm = gXtermTitle = 0;
    gCurXtermTitleStr[0] = '\0';
 
    tcap_normal = "";
    tcap_boldface = "";
    tcap_underline = "";
    tcap_reverse = "";
 
    gTerm = "MS-DOS Prompt";
    ZeroMemory(gSavedConsoleTitle, (DWORD) sizeof(gSavedConsoleTitle));
    GetConsoleTitle(gSavedConsoleTitle, (DWORD) sizeof(gSavedConsoleTitle) - 1);
    SetConsoleTitle("NcFTP");
    gXterm = gXtermTitle = 1;
#else
    const char *term;
 
    gXterm = gXtermTitle = 0;
    gCurXtermTitleStr[0] = '\0';
 
    if ((gTerm = getenv("TERM")) == NULL) {
        tcap_normal = "";
        tcap_boldface = "";
        tcap_underline = "";
        tcap_reverse = "";
        return;
    }
 
    term = gTerm;
    if (    (strstr(term, "xterm") != NULL) ||
        (strstr(term, "rxvt") != NULL) ||
        (strstr(term, "dtterm") != NULL) ||
        (ISTRCMP(term, "scoterm") == 0)
    ) {
        gXterm = gXtermTitle = 1;
    }
 
    if (    (gXterm != 0) ||
        (strcmp(term, "vt100") == 0) ||
        (strcmp(term, "linux") == 0) ||
        (strcmp(term, "vt220") == 0) ||
        (strcmp(term, "vt102") == 0)
    ) {
        tcap_normal = "\033[0m";       /* Default ANSI escapes */
        tcap_boldface = "\033[1m";
        tcap_underline = "\033[4m";
        tcap_reverse = "\033[7m";
    } else {
        tcap_normal = "";
        tcap_boldface = "";
        tcap_underline = "";
        tcap_reverse = "";
    }
#endif
}   /* InitTermcap */

Referenced by PostInit().

LoadHistory()

void LoadHistory

(

void

)

Definition at line 606 of file readln.c.

{
    char pathName[256];
 
    if (gOurDirectoryPath[0] == '\0')
        return;
    (void) OurDirectoryPath(pathName, sizeof(pathName), kHistoryFileName);
 
    gl_histloadfile(pathName);
}   /* LoadHistory */

Referenced by InitReadline().

MakePrompt()

void MakePrompt	(	char *	dst,
		size_t	dsize
	)

Definition at line 802 of file readln.c.

{
    char acwd[64];
 
#   ifdef HAVE_SNPRINTF
    if (gConn.loggedIn != 0) {
        AbbrevStr(acwd, gRemoteCWD, 25, 0);
        snprintf(dst, dsize, "%sncftp%s %s %s>%s ",
            tcap_boldface, tcap_normal, acwd,
            tcap_boldface, tcap_normal);
    } else {
        snprintf(dst, dsize, "%sncftp%s> ",
            tcap_boldface, tcap_normal);
    }
#   else    /* HAVE_SNPRINTF */
    (void) Strncpy(dst, tcap_boldface, dsize);
    (void) Strncat(dst, "ncftp", dsize);
    (void) Strncat(dst, tcap_normal, dsize);
    if (gConn.loggedIn != 0) {
        AbbrevStr(acwd, gRemoteCWD, 25, 0);
        (void) Strncat(dst, " ", dsize);
        (void) Strncat(dst, acwd, dsize);
        (void) Strncat(dst, " ", dsize);
    }
    (void) Strncat(dst, tcap_boldface, dsize);
    (void) Strncat(dst, ">", dsize);
    (void) Strncat(dst, tcap_normal, dsize);
    (void) Strncat(dst, " ", dsize);
#   endif   /* HAVE_SNPRINTF */
}   /* MakePrompt */

Referenced by CommandShell().

PrintStartupBanner()

void PrintStartupBanner

(

void

)

Definition at line 759 of file readln.c.

{
    char v[80], *cp;
    char vdate[32];
 
    /* Print selected information from the version ID. */
    vdate[0] = '\0';
    (void) STRNCPY(v, gVersion + 5);
    cp = strchr(v, ',');
    if (cp != NULL) {
        *cp = '\0';
        cp[-5] = '\0';
        (void) STRNCPY(vdate, " (");
        (void) STRNCAT(vdate, v + 16);
        (void) STRNCAT(vdate, ", ");
        (void) STRNCAT(vdate, cp - 4);
        (void) STRNCAT(vdate, ")");
    }
 
#if defined(BETA) && (BETA > 0)
    (void) fprintf(stdout, "%s%.11s beta %d%s%s by Mike Gleason (ncftp@ncftp.com).\n",
        tcap_boldface,
        gVersion + 5,
        BETA,
        tcap_normal,
        vdate
    );
#else
    (void) fprintf(stdout, "%s%.11s%s%s by Mike Gleason (ncftp@ncftp.com).\n",
        tcap_boldface,
        gVersion + 5,
        tcap_normal,
        vdate
    );
#endif
    (void) fflush(stdout);
}   /* PrintStartupBanner */

Referenced by PostInit().

Readline()

char * Readline

(

char *

prompt

)

Definition at line 671 of file readln.c.

{
    char *linecopy, *line, *cp;
    char lbuf[256];
 
    if (gIsTTYr) {
        line = getline(prompt);
    } else {
        line = fgets(lbuf, sizeof(lbuf) - 1, stdin);
        if (line != NULL) {
            cp = line + strlen(line) - 1;
            if (*cp == '\n')
                *cp = '\0';
        }
    }
 
    if (line != NULL) {
        if (line[0] == '\0')
            return NULL;    /* EOF */
        linecopy = StrDup(line);
        line = linecopy;
    }
    return (line);
}   /* Readline */

Referenced by CommandShell().

ReCacheBookmarks()

void ReCacheBookmarks

(

void

)

Definition at line 515 of file readln.c.

{
    (void) LoadBookmarkTable();
}

Referenced by InitReadline(), and SaveCurrentAsBookmark().

SaveHistory()

void SaveHistory

(

void

)

Definition at line 642 of file readln.c.

{
    char pathName[256];
 
    if (gOurDirectoryPath[0] == '\0')
        return;     /* Don't create in root directory. */
    (void) OurDirectoryPath(pathName, sizeof(pathName), kHistoryFileName);
 
    gl_strlen = Vt100VisibleStrlen;
    gl_histsavefile(pathName);
    (void) _chmod(pathName, 00600);
}   /* SaveHistory */

Referenced by DisposeReadline().

SetXtermTitle()

void SetXtermTitle	(	const char *const	fmt,
			...
	)

Definition at line 718 of file readln.c.

{
    va_list ap;
    char buf[256];
 
    if ((gXtermTitle != 0) && (gMaySetXtermTitle != 0)) {
        if ((fmt == NULL) || (ISTRCMP(fmt, "RESTORE") == 0)) {
#if (defined(WIN32) || defined(_WINDOWS)) && defined(_CONSOLE)
            STRNCPY(buf, gSavedConsoleTitle);
#else
            STRNCPY(buf, gTerm);
#endif
        } else if (ISTRCMP(fmt, "DEFAULT") == 0) {
            (void) Strncpy(buf, gVersion + 5, 12);
        } else {
            va_start(ap, fmt);
#ifdef HAVE_VSNPRINTF
            (void) vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
            buf[sizeof(buf) - 1] = '\0';
#else
            (void) vsprintf(buf, fmt, ap);
#endif
            va_end(ap);
        }
        if (buf[0] != '\0') {
#if (defined(WIN32) || defined(_WINDOWS)) && defined(_CONSOLE)
            SetConsoleTitle(buf);
#else
            if (strcmp(gCurXtermTitleStr, buf) != 0) {
                fprintf(stderr, "\033]0;%s\007", buf);
                STRNCPY(gCurXtermTitleStr, buf);
            }
#endif
        }
    }
}   /* SetXtermTitle */

Referenced by BackToTop(), CommandShell(), PostShell(), PrPhilBar(), PrSizeAndRateMeter(), and PrStatBar().