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    Length: 2347 (0x92b)
    Types: TextFile
    Names: »getpassword.c«

└─⟦3d0c2be1b⟧ Bits:30001254 ISODE-5.0 Tape
    └─⟦eba4602b1⟧ »./isode-5.0.tar.Z« 
        └─⟦d3ac74d73⟧ 
            └─⟦this⟧ »isode-5.0/compat/getpassword.c« 

TextFile

/* getpassword.c - generic read-the-password-from-the-tty */

#ifndef	lint
static char *rcsid = "$Header: /f/osi/compat/RCS/getpassword.c,v 6.0 89/03/18 23:25:07 mrose Rel $";
#endif

/* 
 * $Header: /f/osi/compat/RCS/getpassword.c,v 6.0 89/03/18 23:25:07 mrose Rel $
 *
 *
 * $Log:	getpassword.c,v $
 * Revision 6.0  89/03/18  23:25:07  mrose
 * Release 5.0
 * 
 */

/*
 *				  NOTICE
 *
 *    Acquisition, use, and distribution of this module and related
 *    materials are subject to the restrictions of a license agreement.
 *    Consult the Preface in the User's Manual for the full terms of
 *    this agreement.
 *
 */


/* LINTLIBRARY */

#include <signal.h>
#include <stdio.h>
#include "general.h"
#include "manifest.h"
#ifdef	BSD42
#include <sys/file.h>
#endif
#ifdef	SYS5
#include <fcntl.h>
#include <termio.h>
#endif
#include <sys/ioctl.h>

/* \f

 */

/* roll our own since want to get past UNIX's limit of 8 octets... */

char *getpassword (prompt)
char *prompt;
{
    register int    c;
    int	    flags,
	    isopen;
    register char  *bp,
		   *ep;
#ifndef	SYS5
    struct sgttyb   sg;
#else
    struct termio   sg;
#endif
    SFP	    istat;
    FILE    *fp;
    static char buffer[BUFSIZ];

    if ((c = open ("/dev/tty", O_RDWR)) != NOTOK && (fp = fdopen (c, "r")))
	setbuf (fp, NULLCP), isopen = 1;
    else {
	if (c != NOTOK)
	    (void) close (c);

	fp = stdin, isopen = 0;
    }

    istat = signal (SIGINT, SIG_IGN);

#ifndef	SYS5
    (void) gtty (fileno (fp), &sg);
    flags = sg.sg_flags;
    sg.sg_flags &= ~ECHO;
    (void) stty (fileno (fp), &sg);
#else
    (void) ioctl (fileno (fp), TCGETA, (char *) &sg);
    flags = sg.c_lflag;
    sg.c_lflag &= ~ECHO;
    (void) ioctl (fileno (fp), TCSETAW, (char *) &sg);
#endif

    fprintf (stderr, "%s", prompt);
    (void) fflush (stderr);

    for (ep = (bp = buffer) + sizeof buffer - 1; (c = getc (fp)) != EOF;)
#ifndef	apollo
	if (c == '\n')
#else
	if (c == '\n' || c == '\r')
#endif
	    break;
	else
	    if (bp < ep)
		*bp++ = c;
    *bp = NULL;

    fprintf (stderr, "\n");
    (void) fflush (stderr);

#ifndef	SYS5
    sg.sg_flags = flags;
    (void) stty (fileno (fp), &sg);
#else
    sg.c_lflag = flags;
    (void) ioctl (fileno (fp), TCSETAW, (char *) &sg);
#endif

    (void) signal (SIGINT, istat);

    if (isopen)
	(void) fclose (fp);

    return buffer;
}