v18i091: Elm mail system, release 2.2, Part12/24
Rich Salz
rsalz at uunet.uu.net
Wed Apr 12 07:02:37 AEST 1989
Submitted-by: dsinc!syd at uunet.UU.NET (Syd Weinstein)
Posting-number: Volume 18, Issue 91
Archive-name: elm2.2/part12
#!/bin/sh
# this is part 12 of a multipart archive
# do not concatenate these parts, unpack them in order with /bin/sh
# file src/builtin.c continued
#
CurArch=12
if test ! -r s2_seq_.tmp
then echo "Please unpack part 1 first!"
exit 1; fi
( read Scheck
if test "$Scheck" != $CurArch
then echo "Please unpack part $Scheck next!"
exit 1;
else exit 0; fi
) < s2_seq_.tmp || exit 1
echo "x - Continuing file src/builtin.c"
sed 's/^X//' << 'SHAR_EOF' >> src/builtin.c
X padding = COLUMNS - (t1_len + t2_len + strlen(title3));
X
X sprintf(titlebuf, "%s%-*.*s%s\n\r\n\r", title1, t2_len+padding,
X t2_len+padding, title2, title3);
X /* extra newline is to give a blank line after title */
X
X Write_to_screen(titlebuf, 0);
X form_title = 0;
X}
SHAR_EOF
echo "File src/builtin.c is complete"
chmod 0444 src/builtin.c || echo "restore of src/builtin.c fails"
echo "x - extracting src/calendar.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/calendar.c &&
X
Xstatic char rcsid[] = "@(#)$Id: calendar.c,v 2.8 89/03/25 21:45:53 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.8 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: calendar.c,v $
X * Revision 2.8 89/03/25 21:45:53 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** This routine implements a rather snazzy idea suggested by Warren
X Carithers of the Rochester Institute of Technology that allows
X mail to contain entries formatted in a manner that will allow direct
X copying into a users calendar program.
X
X All lines in the current message beginning with "->", e.g.
X
X -> Mon 04/21 1:00p meet with chairman candidate
X
X get copied into the user's calendar file.
X
X**/
X
X#include "headers.h"
X
X#ifdef ENABLE_CALENDAR /* if not defined, this will be an empty file */
X
X#include <errno.h>
X
Xextern int errno;
X
Xchar *error_name(), *error_description(), *strcpy();
X
Xscan_calendar()
X{
X FILE *calendar;
X int count;
X
X /* First step is to open the calendar file for appending... **/
X
X if (can_open(calendar_file, "a") != 0) {
X dprint(2, (debugfile,
X "Error: wrong permissions to append to calendar %s\n",
X calendar_file));
X dprint(2, (debugfile, "** %s - %s **\n",
X error_name(errno), error_description(errno)));
X error1("Not able to append to file %s!", calendar_file);
X return;
X }
X
X save_file_stats(calendar_file);
X
X if ((calendar = fopen(calendar_file,"a")) == NULL) {
X dprint(2, (debugfile,
X "Error: couldn't append to calendar file %s (scan)\n",
X calendar_file));
X dprint(2, (debugfile, "** %s - %s **\n",
X error_name(errno), error_description(errno)));
X error1("Couldn't append to file %s!", calendar_file);
X return;
X }
X
X count = extract_info(calendar);
X
X fclose(calendar);
X
X restore_file_stats(calendar_file);
X
X if (count > 0)
X error2("%d entr%s saved in calendar file.",
X count, count > 1 ? "ies" : "y");
X else
X error("No calendar entries found in that message.");
X
X return;
X}
X
Xint
Xextract_info(save_to_fd)
XFILE *save_to_fd;
X{
X /** Save the relevant parts of the current message to the given
X calendar file. The only parameter is an opened file
X descriptor, positioned at the end of the existing file **/
X
X register int entries = 0, lines;
X char buffer[SLEN], *cp, *is_cal_entry();
X
X /** get to the first line of the message desired **/
X
X if (fseek(mailfile, headers[current-1]->offset, 0) == -1) {
X dprint(1,(debugfile,
X "ERROR: Attempt to seek %d bytes into file failed (%s)",
X headers[current-1]->offset, "extract_info"));
X error1("ELM [seek] failed trying to read %d bytes into file.",
X headers[current-1]->offset);
X return(0);
X }
X
X /* how many lines in message? */
X
X lines = headers[current-1]->lines;
X
X /* now while not EOF & still in message... scan it! */
X
X while (lines) {
X
X if(fgets(buffer, SLEN, mailfile) == NULL)
X break;
X
X if(buffer[strlen(buffer)-1] == '\n')
X lines--; /* got a full line */
X
X if((cp = is_cal_entry(buffer)) != NULL) {
X entries++;
X fprintf(save_to_fd,"%s", cp);
X }
X
X }
X dprint(4,(debugfile,
X "Got %d calender entr%s.\n", entries, entries > 1? "ies":"y"));
X
X return(entries);
X}
X
Xchar *
Xis_cal_entry(string)
Xregister char *string;
X{
X /* If string is of the form
X * ->{optional white space} {stuff}
X * return a pointer to stuff, otherwise return NULL.
X */
X
X if(strncmp(string, "->", 2) == 0) {
X for(string +=2 ; whitespace(*string); string++)
X ;
X return(string);
X }
X return(NULL);
X}
X
X#endif
SHAR_EOF
chmod 0444 src/calendar.c || echo "restore of src/calendar.c fails"
echo "x - extracting src/conn_to.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/conn_to.c &&
X
Xstatic char rcsid[] = "@(#)$Id: conn_to.c,v 2.3 89/03/25 21:45:54 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.3 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: conn_to.c,v $
X * Revision 2.3 89/03/25 21:45:54 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** This contains the routine(s) needed to have the Elm mailer figure
X out what machines the current machine can talk to. This can be
X done in one of two ways - either the program can read the L.sys
X file, or (if it fails or "UUNAME" define is present) will invoke
X uuname to a file, then read the file in!
X
X**/
X
X#include "headers.h"
X
Xchar *strcpy();
X
Xget_connections()
X{
X
X /** get the direct connections that this machine has, by hook
X or by crook (so to speak)
X **/
X
X#ifndef USE_UUNAME
X FILE *lsysfile;
X char buffer[SLEN], sysname[NLEN];
X struct lsys_rec *system_record, *previous_record;
X int loc_on_line;
X#endif
X
X if (! warnings) { /* skip this - they don't care! */
X talk_to_sys = NULL;
X return;
X }
X
X#ifndef USE_UUNAME
X
X previous_record = NULL;
X if ((lsysfile = fopen(Lsys,"r")) == NULL) {
X dprint(1, (debugfile,
X "Warning: Can't open L.sys file %s (read_lsys)\n", Lsys));
X#endif
X
X if (read_uuname() == -1) {
X error("Warning: couldn't figure out system connections...");
X talk_to_sys = NULL;
X }
X
X#ifndef USE_UUNAME
X /** ELSE: already read in uuname() output if we're here!! **/
X return;
X }
X
X while (fgets(buffer, SLEN, lsysfile) != NULL) {
X sscanf(buffer,"%s", sysname);
X
X if (previous_record == NULL) {
X dprint(2, (debugfile,
X "L.sys\tdirect connection to %s, ", sysname));
X loc_on_line = 30 + strlen(sysname);
X previous_record = (struct lsys_rec *) pmalloc(sizeof *talk_to_sys);
X
X strcpy(previous_record->name, sysname);
X previous_record->next = NULL;
X talk_to_sys = previous_record;
X }
X else if (! talk_to(sysname) && sysname[0] != '#') {
X if (loc_on_line + strlen(sysname) > 80) {
X dprint(2, (debugfile, "\n\t"));
X loc_on_line = 8;
X }
X dprint(2, (debugfile, "%s, ", sysname));
X loc_on_line += (strlen(sysname) + 2);
X system_record = (struct lsys_rec *) pmalloc(sizeof *talk_to_sys);
X
X strcpy(system_record->name, sysname);
X system_record->next = NULL;
X previous_record->next = system_record;
X previous_record = system_record;
X }
X }
X
X fclose(lsysfile);
X
X if (loc_on_line != 8)
X dprint(2, (debugfile, "\n"));
X
X dprint(2, (debugfile, "\n")); /* for an even nicer format... */
X#endif
X}
X
Xint
Xread_uuname()
X{
X /** This routine trys to use the uuname routine to get the names of
X all the machines that this machine connects to...it returns
X -1 on failure.
X **/
X
X FILE *fd;
X char buffer[SLEN], filename[SLEN];
X struct lsys_rec *system_record, *previous_record;
X int loc_on_line;
X
X sprintf(filename, "%s%d", temp_uuname, getpid());
X sprintf(buffer,"%s > %s", uuname, filename);
X
X if (system_call(buffer, SH, FALSE) != 0) {
X dprint(1, (debugfile, "Can't get uuname info - system() failed!\n"));
X unlink(filename); /* insurance */
X return(-1);
X }
X
X if ((fd = fopen(filename, "r")) == NULL) {
X dprint(1, (debugfile,
X "Can't get uuname info - can't open file %s for reading\n",
X filename));
X unlink(filename); /* insurance */
X return(-1);
X }
X
X previous_record = NULL;
X
X while (fgets(buffer, SLEN, fd) != NULL) {
X no_ret(buffer);
X if (previous_record == NULL) {
X dprint(2, (debugfile, "uuname\tdirect connection to %s, ", buffer));
X loc_on_line = 30 + strlen(buffer);
X previous_record = (struct lsys_rec *) pmalloc(sizeof *talk_to_sys);
X
X strcpy(previous_record->name, buffer);
X previous_record->next = NULL;
X talk_to_sys = previous_record;
X }
X else { /* don't have to check uniqueness - uuname does that! */
X if (loc_on_line + strlen(buffer) > 80) {
X dprint(2, (debugfile, "\n\t"));
X loc_on_line = 8;
X }
X dprint(2, (debugfile, "%s, ", buffer));
X loc_on_line += (strlen(buffer) + 2);
X system_record = (struct lsys_rec *) pmalloc(sizeof *talk_to_sys);
X
X strcpy(system_record->name, buffer);
X system_record->next = NULL;
X previous_record->next = system_record;
X previous_record = system_record;
X }
X }
X
X fclose(fd);
X
X (void) unlink(filename); /* kill da temp file!! */
X
X dprint(2, (debugfile, "\n")); /* for a nice format! Yeah! */
X
X return(0); /* it all went okay... */
X}
SHAR_EOF
chmod 0444 src/conn_to.c || echo "restore of src/conn_to.c fails"
echo "x - extracting src/curses.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/curses.c &&
X
Xstatic char rcsid[] = "@(#)$Id: curses.c,v 2.15 89/03/25 21:45:56 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.15 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: curses.c,v $
X * Revision 2.15 89/03/25 21:45:56 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** This library gives programs the ability to easily access the
X termcap information and write screen oriented and raw input
X programs. The routines can be called as needed, except that
X to use the cursor / screen routines there must be a call to
X InitScreen() first. The 'Raw' input routine can be used
X independently, however.
X
X**/
X
X/** NOTE THE ADDITION OF: the #ifndef ELM stuff around routines that
X we don't use. This is for code size and compile time speed...
X**/
X
X#include "headers.h"
X
X#ifdef TERMIO
X# include <termio.h>
X#else
X# include <sgtty.h>
X#endif
X
X#include <ctype.h>
X
X#ifdef BSD
X#undef tolower
X#endif
X
X#define TTYIN 0
X
X#ifdef SHORTNAMES
X# define _clearinverse _clrinv
X# define _cleartoeoln _clrtoeoln
X# define _cleartoeos _clr2eos
X# define _transmit_off xmit_off
X# define _transmit_on xmit_on
X#endif
X
X#ifdef TERMIO
Xstruct termio _raw_tty,
X _original_tty;
X#else
X# define TCGETA TIOCGETP
X# define TCSETAW TIOCSETP
X
Xstruct sgttyb _raw_tty,
X _original_tty;
X#endif
X
Xstatic int _inraw = 0; /* are we IN rawmode? */
X
X#define DEFAULT_LINES_ON_TERMINAL 24
X#define DEFAULT_COLUMNS_ON_TERMINAL 80
X
Xstatic int _memory_locked = 0; /* are we IN memlock?? */
Xstatic int _line = -1, /* initialize to "trash" */
X _col = -1;
X
Xstatic int _intransmit; /* are we transmitting keys? */
X
Xstatic
Xchar *_clearscreen, *_moveto, *_up, *_down, *_right, *_left,
X *_setbold, *_clearbold, *_setunderline, *_clearunderline,
X *_sethalfbright, *_clearhalfbright, *_setinverse, *_clearinverse,
X *_cleartoeoln, *_cleartoeos, *_transmit_on, *_transmit_off,
X *_set_memlock, *_clear_memlock;
X
Xstatic int _lines, _columns, _automargin, _eatnewlineglitch;
Xint tabspacing;
X
Xstatic char _terminal[1024]; /* Storage for terminal entry */
Xstatic char _capabilities[1024]; /* String for cursor motion */
X
Xstatic char *ptr = _capabilities; /* for buffering */
X
Xint outchar(); /* char output for tputs */
Xchar *tgetstr(), /* Get termcap capability */
X *tgoto(); /* and the goto stuff */
X
XInitScreen()
X{
X /* Set up all this fun stuff: returns zero if all okay, or;
X -1 indicating no terminal name associated with this shell,
X -2..-n No termcap for this terminal type known
X */
X
X int tgetent(), /* get termcap entry */
X err;
X char termname[40];
X char *strcpy(), *getenv();
X
X if (getenv("TERM") == NULL) return(-1);
X
X if (strcpy(termname, getenv("TERM")) == NULL)
X return(-1);
X
X if ((err = tgetent(_terminal, termname)) != 1)
X return(err-2);
X
X _line = 0; /* where are we right now?? */
X _col = 0; /* assume zero, zero... */
X
X /* load in all those pesky values */
X _clearscreen = tgetstr("cl", &ptr);
X _moveto = tgetstr("cm", &ptr);
X _up = tgetstr("up", &ptr);
X _down = tgetstr("do", &ptr);
X _right = tgetstr("nd", &ptr);
X _left = tgetstr("bs", &ptr);
X _setbold = tgetstr("so", &ptr);
X _clearbold = tgetstr("se", &ptr);
X _setunderline = tgetstr("us", &ptr);
X _clearunderline = tgetstr("ue", &ptr);
X _setinverse = tgetstr("so", &ptr);
X _clearinverse = tgetstr("se", &ptr);
X _sethalfbright = tgetstr("hs", &ptr);
X _clearhalfbright = tgetstr("he", &ptr);
X _cleartoeoln = tgetstr("ce", &ptr);
X _cleartoeos = tgetstr("cd", &ptr);
X _lines = tgetnum("li");
X _columns = tgetnum("co");
X tabspacing = ((tabspacing=tgetnum("it"))==-1 ? 8 : tabspacing);
X _automargin = tgetflag("am");
X _eatnewlineglitch = tgetflag("xn");
X _transmit_on = tgetstr("ks", &ptr);
X _transmit_off = tgetstr("ke", &ptr);
X _set_memlock = tgetstr("ml", &ptr);
X _clear_memlock = tgetstr("mu", &ptr);
X
X
X if (!_left) {
X _left = "\b";
X }
X
X return(0);
X}
X
Xchar *return_value_of(termcap_label)
Xchar *termcap_label;
X{
X /** This will return the string kept by termcap for the
X specified capability. Modified to ensure that if
X tgetstr returns a pointer to a transient address
X that we won't bomb out with a later segmentation
X fault (thanks to Dave at Infopro for this one!)
X
X Tweaked to remove padding sequences.
X **/
X
X static char escape_sequence[20];
X register int i=0,j=0;
X char buffer[20];
X char *myptr, *tgetstr(); /* Get termcap capability */
X
X if (strlen(termcap_label) < 2)
X return(NULL);
X
X if (termcap_label[0] == 's' && termcap_label[1] == 'o')
X {
X if (_setinverse)
X strcpy(escape_sequence, _setinverse);
X else
X return( (char *) NULL );
X }
X else if (termcap_label[0] == 's' && termcap_label[1] == 'e')
X {
X if (_clearinverse)
X strcpy(escape_sequence, _clearinverse);
X else
X return( (char *) NULL );
X }
X else if ((myptr = tgetstr(termcap_label, &ptr)) == NULL)
X return( (char *) NULL );
X else
X strcpy(escape_sequence, myptr);
X
X if (chloc(escape_sequence, '$') != -1) {
X while (escape_sequence[i] != '\0') {
X while (escape_sequence[i] != '$' && escape_sequence[i] != '\0')
X buffer[j++] = escape_sequence[i++];
X if (escape_sequence[i] == '$') {
X while (escape_sequence[i] != '>') i++;
X i++;
X }
X }
X buffer[j] = '\0';
X strcpy(escape_sequence, buffer);
X }
X
X return( (char *) escape_sequence);
X}
X
Xtransmit_functions(newstate)
Xint newstate;
X{
X /** turn function key transmission to ON | OFF **/
X
X if (newstate != _intransmit) {
X _intransmit = ! _intransmit;
X if (newstate == ON)
X tputs(_transmit_on, 1, outchar);
X else
X tputs(_transmit_off, 1, outchar);
X fflush(stdout); /* clear the output buffer */
X }
X}
X
X/****** now into the 'meat' of the routines...the cursor stuff ******/
X
XScreenSize(lines, columns)
Xint *lines, *columns;
X{
X /** returns the number of lines and columns on the display. **/
X
X if (_lines == 0) _lines = DEFAULT_LINES_ON_TERMINAL;
X if (_columns == 0) _columns = DEFAULT_COLUMNS_ON_TERMINAL;
X
X *lines = _lines - 1; /* assume index from zero */
X *columns = _columns;
X}
X
XSetXYLocation(x,y)
Xint x,y;
X{
X /* declare where the cursor is on the screen - useful after using
X * a function that moves cursor in predictable fasion but doesn't
X * set the static x and y variables used in this source file -
X * e.g. getpass().
X */
X
X _line = x;
X _col = y;
X}
X
XGetXYLocation(x,y)
Xint *x,*y;
X{
X /* return the current cursor location on the screen */
X
X *x = _line;
X *y = _col;
X}
X
XClearScreen()
X{
X /* clear the screen: returns -1 if not capable */
X
X _line = 0; /* clear leaves us at top... */
X _col = 0;
X
X if (!_clearscreen)
X return(-1);
X
X tputs(_clearscreen, 1, outchar);
X fflush(stdout); /* clear the output buffer */
X return(0);
X}
X
Xstatic
Xmoveabsolute(col, row)
X{
X
X char *stuff, *tgoto();
X
X stuff = tgoto(_moveto, col, row);
X tputs(stuff, 1, outchar);
X fflush(stdout);
X}
X
XMoveCursor(row, col)
Xint row, col;
X{
X /** move cursor to the specified row column on the screen.
X 0,0 is the top left! **/
X
X int scrollafter = 0;
X
X /* we don't want to change "rows" or we'll mangle scrolling... */
X
X if (col < 0)
X col = 0;
X if (col >= COLUMNS)
X col = COLUMNS - 1;
X if (row < 0)
X row = 0;
X if (row > LINES) {
X if (col == 0)
X scrollafter = row - LINES;
X row = LINES;
X }
X
X if (!_moveto)
X return(-1);
X
X if (row == _line) {
X if (col == _col)
X return(0); /* already there! */
X
X else if (abs(col - _col) < 5) { /* within 5 spaces... */
X if (col > _col && _right)
X CursorRight(col - _col);
X else if (col < _col && _left)
X CursorLeft(_col - col);
X else
X moveabsolute(col, row);
X }
X else /* move along to the new x,y loc */
X moveabsolute(col, row);
X }
X else if (col == _col && abs(row - _line) < 5) {
X if (row < _line && _up)
X CursorUp(_line - row);
X else if (_line > row && _down)
X CursorDown(row - _line);
X else
X moveabsolute(col, row);
X }
X else if (_line == row-1 && col == 0) {
X putchar('\n'); /* that's */
X putchar('\r'); /* easy! */
X fflush(stdout);
X }
X else
X moveabsolute(col, row);
X
X _line = row; /* to ensure we're really there... */
X _col = col;
X
X if (scrollafter) {
X while (scrollafter--) {
X putchar('\n');
X putchar('\r');
X }
X }
X
X return(0);
X}
X
XCarriageReturn()
X{
X /** move the cursor to the beginning of the current line **/
X Writechar('\r');
X}
X
XNewLine()
X{
X /** move the cursor to the beginning of the next line **/
X
X Writechar('\n');
X Writechar('\r');
X}
X
Xstatic
XCursorUp(n)
Xint n;
X{
X /** move the cursor up 'n' lines **/
X /** Calling function must check that _up is not null before calling **/
X
X _line = (_line-n > 0? _line - n: 0); /* up 'n' lines... */
X
X while (n-- > 0)
X tputs(_up, 1, outchar);
X
X fflush(stdout);
X return(0);
X}
X
X
Xstatic
XCursorDown(n)
Xint n;
X{
X /** move the cursor down 'n' lines **/
X /** Caller must check that _down is not null before calling **/
X
X _line = (_line+n < LINES? _line + n: LINES); /* down 'n' lines... */
X
X while (n-- > 0)
X tputs(_down, 1, outchar);
X
X fflush(stdout);
X return(0);
X}
X
X
Xstatic
XCursorLeft(n)
Xint n;
X{
X /** move the cursor 'n' characters to the left **/
X /** Caller must check that _left is not null before calling **/
X
X _col = (_col - n> 0? _col - n: 0); /* left 'n' chars... */
X
X while (n-- > 0)
X tputs(_left, 1, outchar);
X
X fflush(stdout);
X return(0);
X}
X
X
Xstatic
XCursorRight(n)
Xint n;
X{
X /** move the cursor 'n' characters to the right (nondestructive) **/
X /** Caller must check that _right is not null before calling **/
X
X _col = (_col+n < COLUMNS? _col + n: COLUMNS); /* right 'n' chars... */
X
X while (n-- > 0)
X tputs(_right, 1, outchar);
X
X fflush(stdout);
X return(0);
X}
X
X
XStartBold()
X{
X /** start boldface/standout mode **/
X
X if (!_setbold)
X return(-1);
X
X tputs(_setbold, 1, outchar);
X fflush(stdout);
X return(0);
X}
X
X
XEndBold()
X{
X /** compliment of startbold **/
X
X if (!_clearbold)
X return(-1);
X
X tputs(_clearbold, 1, outchar);
X fflush(stdout);
X return(0);
X}
X
X#ifndef ELM
X
XStartUnderline()
X{
X /** start underline mode **/
X
X if (!_setunderline)
X return(-1);
X
X tputs(_setunderline, 1, outchar);
X fflush(stdout);
X return(0);
X}
X
X
XEndUnderline()
X{
X /** the compliment of start underline mode **/
X
X if (!_clearunderline)
X return(-1);
X
X tputs(_clearunderline, 1, outchar);
X fflush(stdout);
X return(0);
X}
X
X
XStartHalfbright()
X{
X /** start half intensity mode **/
X
X if (!_sethalfbright)
X return(-1);
X
X tputs(_sethalfbright, 1, outchar);
X fflush(stdout);
X return(0);
X}
X
XEndHalfbright()
X{
X /** compliment of starthalfbright **/
X
X if (!_clearhalfbright)
X return(-1);
X
X tputs(_clearhalfbright, 1, outchar);
X fflush(stdout);
X return(0);
X}
X
XStartInverse()
X{
X /** set inverse video mode **/
X
X if (!_setinverse)
X return(-1);
X
X tputs(_setinverse, 1, outchar);
X fflush(stdout);
X return(0);
X}
X
X
XEndInverse()
X{
X /** compliment of startinverse **/
X
X if (!_clearinverse)
X return(-1);
X
X tputs(_clearinverse, 1, outchar);
X fflush(stdout);
X return(0);
X}
X
Xint
XHasMemlock()
X{
X /** returns TRUE iff memory locking is available (a terminal
X feature that allows a specified portion of the screen to
X be "locked" & not cleared/scrolled... **/
X
X return ( _set_memlock && _clear_memlock );
X}
X
Xstatic int _old_LINES;
X
Xint
XStartMemlock()
X{
X /** mark the current line as the "last" line of the portion to
X be memory locked (always relative to the top line of the
X screen) Note that this will alter LINES so that it knows
X the top is locked. This means that (plus) the program
X will scroll nicely but (minus) End memlock MUST be called
X whenever we leave the locked-memory part of the program! **/
X
X if (! _set_memlock)
X return(-1);
X
X if (! _memory_locked) {
X
X _old_LINES = LINES;
X LINES -= _line; /* we can't use this for scrolling */
X
X tputs(_set_memlock, 1, outchar);
X fflush(stdout);
X _memory_locked = TRUE;
X }
X
X return(0);
X}
X
Xint
XEndMemlock()
X{
X /** Clear the locked memory condition... **/
X
X if (! _set_memlock)
X return(-1);
X
X if (_memory_locked) {
X LINES = _old_LINES; /* back to old setting */
X
X tputs(_clear_memlock, 1, outchar);
X fflush(stdout);
X _memory_locked = FALSE;
X }
X return(0);
X}
X
X#endif /* ndef ELM */
X
XWritechar(ch)
Xregister int ch;
X{
X /** write a character to the current screen location. **/
X
X static int autonewlinedlastchar = 0;
X register int justautonewlined, nt;
X
X justautonewlined = 0;
X
X /* if newline and terminal just did a newline without our asking,
X * do nothing, else output a newline and increment the line count */
X if(ch == '\n') {
X if (!autonewlinedlastchar) {
X putchar('\n');
X _line = min(_line+1, LINES-1);
X }
X
X /* if return, move to column 0 */
X } else if(ch == '\r') {
X putchar('\r');
X _col = 0;
X
X /* if backspace, move back one space if not already in column 0 */
X } else if (ch == BACKSPACE) {
X if(_col != 0) {
X putchar('\b');
X _col--;
X } /* else BACKSPACE does nothing */
X
X /* if bell, ring the bell but don't advance the column */
X } else if (ch == '\007') {
X putchar(ch);
X
X
X /* if a tab, output it */
X } else if (ch == '\t') {
X putchar(ch);
X if((nt=next_tab(_col+1)) > prev_tab(COLUMNS))
X _col = nt-1;
X else
X _col = COLUMNS-1;
X
X } else {
X
X /* if some kind of control or non ascii character change to a '?' */
X if(iscntrl(ch) || !isascii(ch))
X ch = '?';
X
X /* if we have no columns left and this terminal doesn't do
X * automargins, simulate automargins and output the character */
X if(_col == COLUMNS && !_automargin) {
X NewLine();
X putchar(ch);
X _col++;
X
X /* if we only have one column left and if this is a terminal
X * that automargins when the last column is written to, then
X * output the char, and note that the automargin occurred */
X } else if(_col+1 == COLUMNS && _automargin && !_eatnewlineglitch) {
X putchar(ch);
X _line = min(_line+1, LINES);
X _col = 1;
X justautonewlined = 1;
X
X /* if we are already in the last column and we got here,
X * this has to be a terminal with automargin and the eatnewline
X * glitch. Output the char and note that we are now in the
X * 2nd column of the next line, since the terminal will do the
X * automargin before displaying the character. */
X } else if (_col == COLUMNS) {
X putchar(ch);
X _line = min(_line+1, LINES);
X _col = 1;
X
X /* if we are here this means we have no interference from the
X * right margin - just output the character and increment the
X * column position. */
X } else {
X putchar(ch);
X _col++;
X }
X }
X autonewlinedlastchar = justautonewlined;
X return(0);
X}
X
X/*VARARGS2*/
X
XWrite_to_screen(line, argcount, arg1, arg2, arg3)
Xchar *line;
Xint argcount;
Xchar *arg1, *arg2, *arg3;
X{
X /** This routine writes to the screen at the current location.
X when done, it increments lines & columns accordingly by
X looking for "\n" sequences... **/
X
X switch (argcount) {
X case 0 :
X PutLine0(_line, _col, line);
X break;
X case 1 :
X PutLine1(_line, _col, line, arg1);
X break;
X case 2 :
X PutLine2(_line, _col, line, arg1, arg2);
X break;
X case 3 :
X PutLine3(_line, _col, line, arg1, arg2, arg3);
X break;
X }
X}
X
XPutLine0(x, y, line)
Xint x,y;
Xregister char *line;
X{
X /** Write a zero argument line at location x,y **/
X
X MoveCursor(x,y);
X while(*line)
X Writechar(*line++);
X fflush(stdout);
X}
X
X/*VARARGS2*/
XPutLine1(x,y, line, arg1)
Xint x,y;
Xchar *line;
Xchar *arg1;
X{
X /** write line at location x,y - one argument... **/
X
X char buffer[VERY_LONG_STRING];
X
X sprintf(buffer, line, arg1);
X
X PutLine0(x, y, buffer);
X fflush(stdout);
X}
X
X/*VARARGS2*/
XPutLine2(x,y, line, arg1, arg2)
Xint x,y;
Xchar *line;
Xchar *arg1, *arg2;
X{
X /** write line at location x,y - one argument... **/
X
X char buffer[VERY_LONG_STRING];
X
X sprintf(buffer, line, arg1, arg2);
X
X PutLine0(x, y, buffer);
X fflush(stdout);
X}
X
X/*VARARGS2*/
XPutLine3(x,y, line, arg1, arg2, arg3)
Xint x,y;
Xchar *line;
Xchar *arg1, *arg2, *arg3;
X{
X /** write line at location x,y - one argument... **/
X
X char buffer[VERY_LONG_STRING];
X
X sprintf(buffer, line, arg1, arg2, arg3);
X
X PutLine0(x, y, buffer);
X fflush(stdout);
X}
X
XCleartoEOLN()
X{
X /** clear to end of line **/
X
X if (!_cleartoeoln)
X return(-1);
X
X tputs(_cleartoeoln, 1, outchar);
X fflush(stdout); /* clear the output buffer */
X return(0);
X}
X
XCleartoEOS()
X{
X /** clear to end of screen **/
X
X if (!_cleartoeos)
X return(-1);
X
X tputs(_cleartoeos, 1, outchar);
X fflush(stdout); /* clear the output buffer */
X return(0);
X}
X
X
XRawState()
X{
X /** returns either 1 or 0, for ON or OFF **/
X
X return( _inraw );
X}
X
XRaw(state)
Xint state;
X{
X /** state is either ON or OFF, as indicated by call **/
X
X if (state == OFF && _inraw) {
X (void) ioctl(TTYIN, TCSETAW, &_original_tty);
X _inraw = 0;
X }
X else if (state == ON && ! _inraw) {
X
X (void) ioctl(TTYIN, TCGETA, &_original_tty); /** current setting **/
X
X (void) ioctl(TTYIN, TCGETA, &_raw_tty); /** again! **/
X#ifndef TERMIO
X _raw_tty.sg_flags &= ~(ECHO); /* echo off */
X _raw_tty.sg_flags |= CBREAK; /* raw on */
X#else
X _raw_tty.c_lflag &= ~(ICANON | ECHO); /* noecho raw mode */
X
X _raw_tty.c_cc[VMIN] = '\01'; /* minimum # of chars to queue */
X _raw_tty.c_cc[VTIME] = '\0'; /* minimum time to wait for input */
X
X#endif
X (void) ioctl(TTYIN, TCSETAW, &_raw_tty);
X
X _inraw = 1;
X }
X}
X
Xint
XReadCh()
X{
X /** read a character with Raw mode set! **/
X
X register int result;
X char ch;
X result = read(0, &ch, 1);
X return((result <= 0 ) ? EOF : ch);
X}
X
Xoutchar(c)
Xchar c;
X{
X /** output the given character. From tputs... **/
X /** Note: this CANNOT be a macro! **/
X
X putc(c, stdout);
X}
X
SHAR_EOF
chmod 0444 src/curses.c || echo "restore of src/curses.c fails"
echo "x - extracting src/date.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/date.c &&
X
Xstatic char rcsid[] = "@(#)$Id: date.c,v 2.6 89/03/25 21:45:58 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.6 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: date.c,v $
X * Revision 2.6 89/03/25 21:45:58 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** return the current date and time in a readable format! **/
X/** also returns an ARPA RFC-822 format date... **/
X
X
X#include "headers.h"
X
X#ifdef BSD
X# ifdef TMINSYS
X# include <sys/time.h>
X# else
X# include <time.h>
X# include <sys/types.h>
X# include <sys/timeb.h>
X# endif
X#else
X# include <time.h>
X#endif
X
X#include <ctype.h>
X
X#ifdef BSD
X#undef toupper
X#undef tolower
X#endif
X
X#define MONTHS_IN_YEAR 11 /* 0-11 equals 12 months! */
X#define FEB 1 /* 0 = January */
X#define DAYS_IN_LEAP_FEB 29 /* leap year only */
X
X#define ampm(n) (n > 12? n - 12 : n)
X#define am_or_pm(n) (n > 11? (n > 23? "am" : "pm") : "am")
X#define leapyear(year) ((year % 4 == 0) && (year % 100 != 0))
X
Xchar *arpa_dayname[] = { "Sun", "Mon", "Tue", "Wed", "Thu",
X "Fri", "Sat", "" };
X
Xchar *arpa_monname[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
X "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", ""};
X
Xint days_in_month[] = { 31, 28, 31, 30, 31, 30,
X 31, 31, 30, 31, 30, 31, -1};
X
X#ifdef BSD
X char *timezone();
X#else
X extern char *tzname[];
X#endif
X
Xchar *get_arpa_date()
X{
X /** returns an ARPA standard date. The format for the date
X according to DARPA document RFC-822 is exemplified by;
X
X Mon, 12 Aug 85 6:29:08 MST
X
X **/
X
X static char buffer[SLEN]; /* static character buffer */
X struct tm *the_time, /* Time structure, see CTIME(3C) */
X *localtime();
X long junk, /* time in seconds.... */
X time();
X
X#ifdef BSD
X# ifndef TZ_MINUTESWEST
X struct timeb loc_time;
X
X junk = time((long *) 0);
X ftime(&loc_time);
X# else
X struct timeval time_val;
X struct timezone time_zone;
X
X gettimeofday(&time_val, &time_zone);
X junk = time_val.tv_sec;
X# endif
X
X#else
X junk = time((long *) 0); /* this must be here for it to work! */
X#endif
X
X the_time = localtime(&junk);
X
X sprintf(buffer, "%s, %d %s %d %d:%02d:%02d %s",
X arpa_dayname[the_time->tm_wday],
X the_time->tm_mday % 32,
X arpa_monname[the_time->tm_mon],
X the_time->tm_year % 100,
X the_time->tm_hour % 24,
X the_time->tm_min % 61,
X the_time->tm_sec % 61,
X#ifdef BSD
X#ifdef TZ_MINUTESWEST
X timezone(time_zone.tz_minuteswest, time_zone.tz_dsttime));
X#else
X timezone(loc_time.timezone, the_time->tm_isdst));
X#endif
X#else
X tzname[the_time->tm_isdst]);
X#endif
X
X return( (char *) buffer);
X}
X
Xdays_ahead(days, buffer)
Xint days;
Xchar *buffer;
X{
X /** return in buffer the date (Day, Mon Day, Year) of the date
X 'days' days after today.
X **/
X
X struct tm *the_time, /* Time structure, see CTIME(3C) */
X *localtime();
X long junk, /* time in seconds.... */
X time();
X
X junk = time((long *) 0); /* this must be here for it to work! */
X the_time = localtime(&junk);
X
X /* increment the day of the week */
X
X the_time->tm_wday = (the_time->tm_wday + days) % 7;
X
X /* the day of the month... */
X the_time->tm_mday += days;
X
X if (the_time->tm_mday > days_in_month[the_time->tm_mon]) {
X if (the_time->tm_mon == FEB && leapyear(the_time->tm_year)) {
X if (the_time->tm_mday > DAYS_IN_LEAP_FEB) {
X the_time->tm_mday -= days_in_month[the_time->tm_mon];
X the_time->tm_mon += 1;
X }
X }
X else {
X the_time->tm_mday -= days_in_month[the_time->tm_mon];
X the_time->tm_mon += 1;
X }
X }
X
X /* check the month of the year */
X if (the_time->tm_mon > MONTHS_IN_YEAR) {
X the_time->tm_mon -= MONTHS_IN_YEAR;
X the_time->tm_year += 1;
X }
X
X /* now, finally, build the actual date string */
X
X sprintf(buffer, "%s, %d %s %d",
X arpa_dayname[the_time->tm_wday],
X the_time->tm_mday % 32,
X arpa_monname[the_time->tm_mon],
X the_time->tm_year % 100);
X}
X
Xint
Xvalid_date(day, mon, year)
Xchar *day, *mon, *year;
X{
X /** Validate the given date - returns TRUE iff the date
X handed is reasonable and valid.
X Ignore month param, okay?
X **/
X
X register int daynum, yearnum;
X
X daynum = atoi(day);
X yearnum = atoi(year);
X
X if (daynum < 1 || daynum > 31) {
X dprint(3, (debugfile,
X "Error: day %d is obviously wrong! (valid_date)\n",
X daynum));
X return(0);
X }
X
X if (yearnum < 1 || (yearnum > 100 && yearnum < 1900) ||
X yearnum > 2000) {
X dprint(3, (debugfile,
X "Error: year %d is obviously wrong! (valid_date)\n",
X yearnum));
X return(0);
X }
X
X return(1);
X}
X
Xfix_date(entry)
Xstruct header_rec *entry;
X{
X /** This routine will 'fix' the date entry for the specified
X message. This consists of 1) adjusting the year to 0-99
X and 2) altering time from HH:MM:SS to HH:MM am|pm **/
X
X if (atoi(entry->year) > 99)
X sprintf(entry->year,"%d", atoi(entry->year) - 1900);
X
X fix_time(entry->time);
X}
X
Xfix_time(timestring)
Xchar *timestring;
X{
X /** Timestring in format HH:MM:SS (24 hour time). This routine
X will fix it to display as: HH:MM [am|pm] **/
X
X int hour, minute;
X
X sscanf(timestring, "%d:%d", &hour, &minute);
X
X if (hour < 1 || hour == 24)
X sprintf(timestring, "12:%02d am", minute);
X else if (hour < 12)
X sprintf(timestring, "%d:%02d am", hour, minute);
X else if (hour == 12)
X sprintf(timestring, "12:%02d pm", minute);
X else if (hour < 24)
X sprintf(timestring, "%d:%02d pm", hour-12, minute);
X}
X
Xint
Xcompare_dates(rec1, rec2)
Xstruct header_rec *rec1, *rec2;
X{
X /** This function works similarly to the "strcmp" function, but
X has lots of knowledge about the internal date format...
X Apologies to those who "know a better way"...
X **/
X
X int month1, day1, year1, hour1, minute1,
X month2, day2, year2, hour2, minute2;
X
X year1 = atoi(rec1->year);
X year2 = atoi(rec2->year);
X
X if (year1 != year2)
X return( year1 - year2 );
X
X /* And HERE's where the performance of this sort dies... */
X
X month1 = month_number(rec1->month); /* retch... gag.... */
X month2 = month_number(rec2->month); /* puke... */
X
X if (month1 == -1)
X dprint(2, (debugfile,
X "month_number failed on month '%s'\n", rec1->month));
X
X if (month2 == -1)
X dprint(2, (debugfile,
X "month_number failed on month '%s'\n", rec2->month));
X
X if (month1 != month2)
X return( month1 - month2 );
X
X /* back and cruisin' now, though... */
X
X day1 = atoi(rec1->day); /* unfortunately, 2 is greater than 19 */
X day2 = atoi(rec2->day); /* on a dump string-only compare... */
X
X if (day1 != day2)
X return( day1 - day2 );
X
X /* we're really slowing down now... */
X
X minute1 = minute2 = -1;
X
X sscanf(rec1->time, "%d:%d", &hour1, &minute1);
X sscanf(rec2->time, "%d:%d", &hour2, &minute2);
X
X /* did we get the time? If not, try again */
X
X if (minute1 < 0)
X sscanf(rec1->time, "%2d%2d", &hour1, &minute1);
X
X if (minute2 < 0)
X sscanf(rec2->time, "%2d%2d", &hour2, &minute2);
X
X /** deal with am/pm, if present... **/
X
X if (strlen(rec1->time) > 3)
X if (rec1->time[strlen(rec1->time)-2] == 'p') {
X if (hour1 != 12)
X hour1 += 12;
X }
X else {
X if (hour1 == 12)
X hour1 = 0;
X }
X
X if (strlen(rec2->time) > 3)
X if (rec2->time[strlen(rec2->time)-2] == 'p') {
X if (hour2 != 12)
X hour2 += 12;
X }
X else {
X if (hour2 == 12)
X hour2 = 0;
X }
X
X if (hour1 != hour2)
X return( hour1 - hour2 );
X
X return( minute1 - minute2 ); /* ignore seconds... */
X}
X
Xint
Xcompare_parsed_dates(rec1, rec2)
Xstruct date_rec rec1, rec2;
X{
X /** This function is very similar to the compare_dates
X function but assumes that the two record structures
X are already parsed and stored in "date_rec" format.
X **/
X
X if (rec1.year != rec2.year)
X return( rec1.year - rec2.year );
X
X if (rec1.month != rec2.month)
X return( rec1.month - rec2.month );
X
X if (rec1.day != rec2.day)
X return( rec1.day - rec2.day );
X
X if (rec1.hour != rec2.hour)
X return( rec1.hour - rec2.hour );
X
X return( rec1.minute - rec2.minute ); /* ignore seconds... */
X}
X
Xint
Xmonth_number(name)
Xchar *name;
X{
X /** return the month number given the month name... **/
X
X char ch;
X
X switch (tolower(name[0])) {
X case 'a' : if ((ch = tolower(name[1])) == 'p') return(APRIL);
X else if (ch == 'u') return(AUGUST);
X else return(-1); /* error! */
X
X case 'd' : return(DECEMBER);
X case 'f' : return(FEBRUARY);
X case 'j' : if ((ch = tolower(name[1])) == 'a') return(JANUARY);
X else if (ch == 'u') {
X if ((ch = tolower(name[2])) == 'n') return(JUNE);
X else if (ch == 'l') return(JULY);
X else return(-1); /* error! */
X }
X else return(-1); /* error */
X case 'm' : if ((ch = tolower(name[2])) == 'r') return(MARCH);
X else if (ch == 'y') return(MAY);
X else return(-1); /* error! */
X case 'n' : return(NOVEMBER);
X case 'o' : return(OCTOBER);
X case 's' : return(SEPTEMBER);
X default : return(-1);
X }
X}
X
X#ifdef SITE_HIDING
X
Xchar *get_ctime_date()
X{
X /** returns a ctime() format date, but a few minutes in the
X past...(more cunningness to implement hidden sites) **/
X
X static char buffer[SLEN]; /* static character buffer */
X struct tm *the_time, /* Time structure, see CTIME(3C) */
X *localtime();
X long junk, /* time in seconds.... */
X time();
X#ifdef BSD
X struct timeval time_val;
X struct timezone time_zone;
X#endif
X
X#ifdef BSD
X gettimeofday(&time_val, &time_zone);
X junk = time_val.tv_sec;
X#else
X junk = time((long *) 0); /* this must be here for it to work! */
X#endif
X the_time = localtime(&junk);
X
X sprintf(buffer, "%s %s %d %02d:%02d:%02d %d",
X arpa_dayname[the_time->tm_wday],
X arpa_monname[the_time->tm_mon],
X the_time->tm_mday % 32,
X min(the_time->tm_hour % 24, (rand() % 24)),
X min(abs(the_time->tm_min % 61 - (rand() % 60)), (rand() % 60)),
X min(abs(the_time->tm_sec % 61 - (rand() % 60)), (rand() % 60)),
X the_time->tm_year % 100 + 1900);
X
X return( (char *) buffer);
X}
X
X#endif
SHAR_EOF
chmod 0444 src/date.c || echo "restore of src/date.c fails"
echo "x - extracting src/delete.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/delete.c &&
X
Xstatic char rcsid[] = "@(#)$Id: delete.c,v 2.6 89/03/25 21:46:00 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.6 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: delete.c,v $
X * Revision 2.6 89/03/25 21:46:00 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** Delete or undelete files: just set flag in header record!
X Also tags specified message(s)...
X
X**/
X
X#include "headers.h"
X
Xchar *show_status();
X
Xdelete_msg(real_del, update_screen)
Xint real_del, update_screen;
X{
X /** Delete current message. If real-del is false, then we're
X actually requested to toggle the state of the current
X message... **/
X
X if (real_del)
X headers[current-1]->status |= DELETED;
X else if (ison(headers[current-1]->status, DELETED))
X clearit(headers[current-1]->status, DELETED);
X else
X setit(headers[current-1]->status, DELETED);
X
X if (update_screen)
X show_msg_status(current-1);
X}
X
Xundelete_msg(update_screen)
Xint update_screen;
X{
X /** clear the deleted message flag **/
X
X clearit(headers[current-1]->status, DELETED);
X
X if (update_screen)
X show_msg_status(current-1);
X}
X
Xshow_msg_status(msg)
Xint msg;
X{
X /** show the status of the current message only. **/
X
X char tempbuf[3];
X
X strcpy(tempbuf, show_status(headers[msg]->status));
X
X if (on_page(msg)) {
X MoveCursor(((compute_visible(msg+1)-1) % headers_per_page) + 4, 2);
X if (msg+1 == current && !arrow_cursor) {
X StartBold();
X Writechar( tempbuf[0] );
X EndBold();
X }
X else
X Writechar( tempbuf[0] );
X }
X}
X
Xint
Xtag_message(update_screen)
Xint update_screen;
X{
X /** Tag current message and return TRUE.
X If already tagged, untag it and return FALSE. **/
X
X int istagged;
X
X if (ison(headers[current-1]->status, TAGGED)) {
X clearit(headers[current-1]->status, TAGGED);
X istagged = FALSE;
X } else {
X setit(headers[current-1]->status, TAGGED);
X istagged = TRUE;
X }
X
X if(update_screen)
X show_msg_tag(current-1);
X return(istagged);
X}
X
Xshow_msg_tag(msg)
Xint msg;
X{
X /** show the tag status of the current message only. **/
X
X if (on_page(msg)) {
X MoveCursor(((compute_visible(msg+1)-1) % headers_per_page) + 4, 4);
X if (msg+1 == current && !arrow_cursor) {
X StartBold();
X Writechar( ison(headers[msg]->status, TAGGED)? '+' : ' ');
X EndBold();
X }
X else
X Writechar( ison(headers[msg]->status, TAGGED)? '+' : ' ');
X }
X}
X
Xshow_new_status(msg)
Xint msg;
X{
X /** If the specified message is on this screen, show
X the new status (could be marked for deletion now,
X and could have tag removed...)
X **/
X
X if (on_page(msg))
X if (msg+1 == current && !arrow_cursor) {
X StartBold();
X PutLine2(((compute_visible(msg+1)-1) % headers_per_page) + 4,
X 2, "%s%c", show_status(headers[msg]->status),
X ison(headers[msg]->status, TAGGED )? '+' : ' ');
X EndBold();
X }
X else
X PutLine2(((compute_visible(msg+1)-1) % headers_per_page) + 4,
X 2, "%s%c", show_status(headers[msg]->status),
X ison(headers[msg]->status, TAGGED )? '+' : ' ');
X}
SHAR_EOF
chmod 0444 src/delete.c || echo "restore of src/delete.c fails"
echo "x - extracting src/domains.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/domains.c &&
X
Xstatic char rcsid[] = "@(#)$Id: domains.c,v 2.6 89/03/25 21:46:01 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.6 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: domains.c,v $
X * Revision 2.6 89/03/25 21:46:01 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** This file contains all the code dealing with the expansion of
X domain based addresses in Elm. It uses the file "domains" as
X defined in the sysdefs.h file.
X
X From a file format and idea in "uumail" - designed by Stan Barber.
X**/
X
X#include <ctype.h>
X
X#include "headers.h"
X
X#ifdef BSD
X# undef toupper
X# undef tolower
X#endif
X
X/** define the various characters that we can encounter after a "%" sign
X in the template file...
X**/
X
X#define USERNAME 'U' /* %U = the name of the remote user */
X#define RMTMNAME 'N' /* %N = the remote machine name */
X#define FULLNAME 'D' /* %D = %N + domain info given */
X#define NPATH 'R' /* %R = path to %N from pathalias */
X#define PPATH 'P' /* %P = path to 'P' from pathalias */
X#define OBSOLETE 'S' /* %S = (used to be suffix string) */
X
X/** and finally some characters that are allowed in user/machine names **/
X
X#define okay_others(c) (c == '-' || c == '^' || c == '$' || c == '_')
X
X/** and some allowed ONLY in the username field **/
X
X#define special_chars(c) (c == '%' || c == ':')
X
Xchar *find_path_to(), *expand_domain(), *match_and_expand_domain();
Xchar *strcpy(), *strcat(), *strtok();
Xunsigned long sleep();
Xvoid rewind();
X
Xopen_domain_file()
X{
X if ((domainfd = fopen(domains, "r")) == NULL) {
X dprint(2, (debugfile,"Warning: can't open file %s as domains file\n",
X domains));
X }
X else {
X dprint(3, (debugfile,
X "Opened '%s' as the domain database\n\n", domains));
X }
X
X /* if it fails it'll instantiate domainfd to NULL which is
X exactly what we want to have happen!! */
X}
X
Xchar *expand_domain(buffer)
Xchar *buffer;
X{
X /** Expand the address 'buffer' based on the domain information,
X if any. Returns NULL if it can't expand it for any reason.
X **/
X
X char name[NLEN], address[NLEN], domain[NLEN];
X char *match_and_expand_domain();
X
X if (domainfd == NULL) return(NULL); /* no file present! */
X
X if (explode(buffer, name, address, domain))
X return( match_and_expand_domain(domain, name, address) );
X else { /* invalid format - not "user at host.domain" */
X dprint(2, (debugfile,
X "Invalid format for domain expansion: %s (expand_domain)\n",
X buffer));
X return(NULL);
X }
X}
X
Xint
Xexplode(buffer, name, address, domain)
Xchar *buffer, *name, *address, *domain;
X{
X /** Break buffer, if in format name at machine.domain, into the
X component parts, otherwise return ZERO and don't worry
X about the values of the parameters!
X **/
X
X register int i, j = 0;
X
X /** First get the name... **/
X
X for (i=0; buffer[i] != '@'; i++) {
X if (! isalnum(buffer[i]) && ! okay_others(buffer[i]) && !
X special_chars(buffer[i]))
X return(0); /* invalid character in string! */
X name[i] = buffer[i];
X }
X
X name[i++] = '\0';
X
X /** now let's get the machinename **/
X
X while (buffer[i] != '.') {
X if (! isalnum(buffer[i]) && ! okay_others(buffer[i]))
X return(0); /* invalid character in string! */
X address[j++] = buffer[i++];
X }
X address[j] = '\0';
X
X j = 0;
X
X /** finally let's get the domain information (there better be some!) **/
X
X while (buffer[i] != '\0') {
X if (! isalnum(buffer[i]) && ! okay_others(buffer[i]) &&
X buffer[i] != '.')
X return(0); /* an you fail again, bozo! */
X domain[j++] = toupper(buffer[i]);
X i++;
X }
X
X domain[j] = '\0';
X
X return(j); /* if j == 0 there's no domain info! */
X}
X
Xchar *match_and_expand_domain(domain, name, machine)
Xchar *domain, *name, *machine;
X{
X /** Given the domain, try to find it in the domain file and
X if found expand the entry and return the result as a
X character string...
X **/
X
X static char address[SLEN];
X char buffer[SLEN], domainbuff[NLEN];
X char field1[NLEN], field2[NLEN], field3[NLEN];
X char *path, *template, *expanded, *mydomain, *strtok();
X int matched = 0, in_percent = 0;
X register int i, j = 0;
X
X address[j] = '\0';
X
X domainbuff[0] = '\0';
X mydomain = (char *) domainbuff; /* set up buffer etc */
X
X do {
X rewind(domainfd); /* back to ground zero! */
X
X if (strlen(mydomain) > 0) { /* already in a domain! */
X mydomain++; /* skip leading '.' */
X while (*mydomain != '.' && *mydomain != ',')
X mydomain++; /* next character */
X if (*mydomain == ',')
X return (NULL); /* didn't find domain! */
X }
X else
X sprintf(mydomain, "%s,", domain); /* match ENTIRELY! */
X
X /* whip through file looking for the entry, please... */
SHAR_EOF
echo "End of part 12"
echo "File src/domains.c is continued in part 13"
echo "13" > s2_seq_.tmp
exit 0
--
Please send comp.sources.unix-related mail to rsalz at uunet.uu.net.
More information about the Comp.sources.unix
mailing list