rsalz@bbn.com (Rich Salz) (05/31/90)
Submitted-by: Syd Weinstein <syd@dsinc.dsi.com>
Posting-number: Volume 22, Issue 71
Archive-name: elm2.3/part12
---- Cut Here and unpack ----
#!/bin/sh
# this is part 12 of a multipart archive
# do not concatenate these parts, unpack them in order with /bin/sh
# file src/aliasdb.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/aliasdb.c"
sed 's/^X//' << 'SHAR_EOF' >> src/aliasdb.c
X#ifndef USE_DBM
X get_connections();
X open_domain_file();
X#endif
X init_findnode();
X clear_error();
X findnode_has_been_initialized = TRUE;
X }
X
X strcpy(old_name, name); /* save what we were given */
X
X if (expand_site(name, address) == -1) {
X if (display_error && name[0] != '!') {
X dprint(3, (debugfile, "Couldn't expand host %s in address.\n",
X name));
X if (! check_only && warnings) {
X error1("Couldn't expand system %s.", name);
X sleep(1);
X }
X }
X strcpy(name, old_name); /* and restore... */
X }
X else
X strcpy(name, address);
X#endif
X return;
X}
X
X#if defined(OPTIMIZE_RETURN) || !defined(DONT_TOUCH_ADDRESSES)
Xint
Xexpand_site(cryptic, expanded)
Xchar *cryptic, *expanded;
X{
X
X /** Given an address of the form 'xyz@site' or 'site!xyz'
X return an address of the form <expanded address for site>
X with 'xyz' embedded according to the path database entry.
X Note that 'xyz' can be eiher a simple address (as in "joe")
X or a complex address (as in "joe%xerox.parc@Xerox.ARPA")!
X 0 = found, -1 return means unknown site code
X
X Modified to strip out parenthetical comments...
X **/
X
X#ifdef ACSNET
X
X strcpy(expanded, cryptic); /* fast and simple */
X return(0);
X
X#else
X# ifdef USE_DBM
X datum key, contents;
X# endif
X
X char name[VERY_LONG_STRING], sitename[VERY_LONG_STRING],
X temp[VERY_LONG_STRING], old_name[VERY_LONG_STRING],
X comment[LONG_STRING];
X char *expand_domain(), *addr;
X register int i = 0, j = 0, in_parens = 0, domain_name;
X
X strcpy(old_name, cryptic); /* remember what we were given */
X
X /** break down **/
X
X /** first, rip out the comment, if any, noting nested parens **/
X
X if ((i = chloc(cryptic, '(')) > -1) {
X comment[j++] = ' '; /* leading space */
X do {
X switch(comment[j++] = cryptic[i++]) {
X case '(': in_parens++;
X break;
X case ')': in_parens--;
X break;
X }
X } while(in_parens && cryptic[i] != '\0');
X comment[j] = '\0';
X
X /* and remove this from cryptic string too... */
X if (cryptic[(j = chloc(cryptic,'('))-1] == ' ')
X cryptic[j-1] = '\0';
X else
X cryptic[j] = '\0';
X }
X else
X comment[0] = '\0';
X
X i = j = 0; /* reset */
X
X while (cryptic[i] != AT_SIGN && cryptic[i] != BANG &&
X cryptic[i] != '\0' && cryptic[i] != '(')
X sitename[j++] = cryptic[i++];
X
X sitename[j++] = '\0';
X
X j = 0;
X
X if (cryptic[i] == '\0') return(-1); /* nothing to expand! */
X
X domain_name = (cryptic[i] == AT_SIGN);
X
X i++;
X
X while (cryptic[i] != '\0' && cryptic[i] != '(' &&
X ! whitespace(cryptic[i]))
X name[j++] = cryptic[i++];
X
X name[j] = '\0';
X
X if (domain_name) {
X strcpy(temp, name);
X strcpy(name, sitename);
X strcpy(sitename, temp);
X }
X
X dprint(5, (debugfile, "\nBroke address into '%s' @ '%s' '%s'\n\n",
X name, sitename, comment));
X
X#ifdef USE_DBM
X
X if (size_of_pathfd == 0)
X return(-1);
X
X key.dptr = sitename;
X key.dsize = strlen(sitename) + 1;
X
X contents = fetch(key);
X
X if (contents.dptr == 0)
X return(-1); /* can't find it! */
X
X sprintf(expanded, contents.dptr, name);
X strcat(expanded, " "); /* add a single space... */
X strcat(expanded, comment); /* ...and add comment */
X return(0);
X#else
X
X#ifndef LOOK_CLOSE_AFTER_SEARCH
X
X if (talk_to(sitename)) {
X strcpy(expanded, old_name); /* restore! */
X return(0);
X }
X#endif
X
X if ((addr = find_path_to(sitename, TRUE)) == NULL) {
X
X#ifdef LOOK_CLOSE_AFTER_SEARCH
X
X if (talk_to(sitename)) {
X strcpy(expanded, old_name); /* restore! */
X return(0);
X }
X else
X#endif
X if ((addr = expand_domain(cryptic)) != NULL) {
X strcpy(expanded, addr); /* into THIS buffer */
X strcat(expanded, comment); /* patch in comment */
X return(0);
X }
X else if (size_of_pathfd == 0) { /* no path database! */
X strcpy(expanded, old_name); /* restore! */
X return(0);
X }
X else { /* We just can't get there! */
X strcpy(expanded, old_name); /* restore! */
X return(-1);
X }
X }
X else { /* search succeeded */
X sprintf(expanded, addr, name);
X strcat(expanded, comment); /* add comment */
X return(0);
X }
X#endif
X#endif
X}
X#endif /* defined(OPTIMIZE_RETURN) || !defined(DONT_TOUCH_ADDRESSES) */
X
Xint
Xbinary_search(name, address)
Xchar *name, *address;
X{
X /* binary search file for name. Return 0 if found, -1 if not */
X
X char machine[40];
X register long first = 0, last, middle;
X register int compare;
X
X address[0] = '\0';
X
X last = size_of_pathfd;
X
X do {
X
X middle = (long) ((first+last) / 2);
X
X get_entry(machine, address, pathfd, middle);
X
X compare = strcmp(name, machine);
X
X if (compare < 0)
X last = middle - 1;
X else if (compare == 0)
X return(0);
X else /* greater */
X first = middle + 1;
X } while (absolute(last) - absolute(first) > FIND_DELTA);
X
X /* It could be that our target entry lies exactly at `first'.
X * Since get_entry() compares at the entry beginning after
X * the passed offset (unless it's 0), we need to decrement it
X * (unless it's 0), and give it one more try.
X */
X get_entry(machine, address, pathfd, (first == 0L ? first : --first));
X compare = strcmp(name, machine);
X return(compare == 0 ? 0 : -1);
X}
X
Xget_entry(machine, address, fileid, offset)
Xchar *machine, *address;
XFILE *fileid;
Xlong offset;
X{
X /** get entry...return machine and address immediately
X following given offset in fileid. **/
X
X (void) fseek(fileid, offset, 0);
X
X /* To get to the beginning of a record, if we are not at offset 0,
X * read until we hit an end-of-line */
X
X if(offset != 0L)
X while (getc(fileid) != '\n')
X ;
X
X fscanf(fileid, "%s\t%s", machine, address);
X}
X
X#ifndef DONT_TOUCH_ADDRESSES
Xinit_findnode()
X{
X /** Initialize the FILE and 'size_of_file' values for the
X findnode procedure **/
X
X struct stat buffer;
X char *path_filename;
X
X#ifdef USE_DBM
X char buf[BUFSIZ];
X
X sprintf(buf,"%s.pag", pathfile);
X path_filename = buf;
X#else
X path_filename = pathfile;
X#endif
X
X if (stat(path_filename, &buffer) == -1) {
X dprint(2, (debugfile,
X "Warning: pathalias file \"%s\" wasn't found by %s\n",
X path_filename, "init_findnode"));
X size_of_pathfd = 0;
X return;
X }
X
X size_of_pathfd = (long) buffer.st_size;
X
X#ifdef USE_DBM
X
X if (dbminit(pathfile) != 0) {
X dprint(2, (debugfile,
X "Warning: couldn't initialize DBM database %s\n",
X pathfile));
X dprint(2, (debugfile, "** %s - %s **\n\n", error_name(errno),
X error_description(errno)));
X size_of_pathfd = 0; /* error flag, in this case */
X return;
X }
X
X return;
X#else
X
X if ((pathfd = fopen(pathfile,"r")) == NULL) {
X dprint(2, (debugfile,
X "Warning: Can't read pathalias file \"%s\" within %s\n",
X pathfile, "init_findnode"));
X size_of_pathfd = 0;
X }
X else
X dprint(3, (debugfile, "\nOpened '%s' as pathalias database.\n\n",
X pathfile));
X#endif
X}
X#endif /* DONT_TOUCH_ADDRESSES */
X
Xchar *find_path_to(machine, printf_format)
Xchar *machine;
Xint printf_format;
X{
X /** Returns either the path to the specified machine or NULL if
X not found. If "printf_format" is TRUE, then it leaves the
X '%s' intact, otherwise it assumes that the address is a uucp
X address for the domain expansion program and removes the
X last three characters of the expanded name ("!%s") since
X they're redundant with the expansion!
X **/
X
X static char buffer[SLEN]; /* space for path */
X
X if (size_of_pathfd > 0)
X if (binary_search(machine, buffer) != -1) { /* found it! */
X if (! printf_format && strlen(buffer) > 3)
X buffer[strlen(buffer)-3] = '\0';
X return( (char *) buffer);
X }
X
X return(NULL); /* failed if it's here! */
X}
SHAR_EOF
echo "File src/aliasdb.c is complete"
chmod 0444 src/aliasdb.c || echo "restore of src/aliasdb.c fails"
echo "x - extracting src/aliaslib.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/aliaslib.c &&
X
Xstatic char rcsid[] = "@(#)$Id: aliaslib.c,v 4.1 90/04/28 22:42:29 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 4.1 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989, 1990 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm@DSI.COM dsinc!elm
X *
X *******************************************************************************
X * $Log: aliaslib.c,v $
X * Revision 4.1 90/04/28 22:42:29 syd
X * checkin of Elm 2.3 as of Release PL0
X *
X *
X ******************************************************************************/
X
X/** Library of functions dealing with the alias system...
X
X **/
X
X#include "headers.h"
X#include <ctype.h>
X
Xchar *get_alias_address(), *get_token(), *strpbrk(), *index();
Xlong lseek();
X
X#ifdef DONT_TOUCH_ADDRESSES
Xchar *expand_system();
X#endif
X
X/*
X * Expand "name" as an alias and return a pointer to static data containing
X * the expansion. If "name" is not an alias, then NULL is returned.
X */
Xchar *get_alias_address(name, mailing)
Xchar *name; /* name to expand as an alias */
Xint mailing; /* TRUE to fully expand group names & recursive aliases */
X{
X static char buffer[VERY_LONG_STRING];
X char *bufptr;
X int bufsize;
X
X /* reads files iff changed since last read */
X read_alias_files();
X
X /* if name is an alias then return its expansion */
X bufptr = buffer;
X bufsize = sizeof(buffer);
X if ( do_get_alias(name, &bufptr, &bufsize, mailing, FALSE, 0) )
X return buffer+2; /* skip comma/space from add_name_to_list() */
X
X /* nope...not an alias */
X return (char *) NULL;
X}
X
X
X/*
X * Determine if "name" is an alias, and if so expand it and store the result in
X * "*bufptr". TRUE returned if any expansion occurs, else FALSE is returned.
X */
Xint do_get_alias(name, bufptr, bufsizep, mailing, sysalias, depth)
Xchar *name; /* name to expand as an alias */
Xchar **bufptr; /* place to store result of expansion */
Xint *bufsizep; /* available space in the buffer */
Xint mailing; /* TRUE to fully expand group names & recursive aliases */
Xint sysalias; /* TRUE to suppress checks of the user's aliases */
Xint depth; /* recursion depth - initially call at depth=0 */
X{
X char abuf[LONG_STRING];
X int loc;
X
X /* update the recursion depth counter */
X ++depth;
X
X dprint(6, (debugfile, "%*s->attempting alias expansion on \"%s\"\n",
X (depth*2), "", name));
X
X /* strip out (comments) and leading/trailing whitespace */
X remove_possible_trailing_spaces( name = strip_parens(name) );
X for ( ; isspace(*name) ; ++name ) ;
X
X /* throw back empty addresses */
X if ( *name == '\0' )
X return FALSE;
X
X /* check for a user alias, unless in the midst of sys alias expansion */
X if ( !sysalias && user_data != -1 ) {
X if ( (loc = find(name, user_hash_table, MAX_UALIASES)) >= 0 ) {
X lseek(user_data, ntohl(user_hash_table[loc].byte), 0L);
X get_line(user_data, abuf);
X goto do_expand;
X }
X }
X
X /* check for a system alias */
X if ( system_data != -1 ) {
X if ( (loc = find(name, system_hash_table, MAX_SALIASES)) >= 0 ) {
X lseek(system_data, ntohl(system_hash_table[loc].byte), 0L);
X get_line(system_data, abuf);
X sysalias = TRUE;
X goto do_expand;
X }
X }
X
X /* nope...this name wasn't an alias */
X return FALSE;
X
Xdo_expand:
X
X /* at this point, alias is expanded into "abuf" - now what to do... */
X
X dprint(7, (debugfile, "%*s ->expanded alias to \"%s\"\n",
X (depth*2), "", abuf));
X
X /* check for an exact match */
X loc = strlen(name);
X if (strncmp(name, abuf, loc) == 0 && (abuf[loc] == ' ' || abuf[loc] == '\0'))
X#ifdef DONT_TOUCH_ADDRESSES
X return add_name_to_list(abuf, bufptr, bufsizep);
X#else
X return add_name_to_list(expand_system(abuf, TRUE), bufptr, bufsizep);
X#endif
X
X /* see if we are stuck in a loop */
X if ( depth > 12 ) {
X dprint(2, (debugfile,
X "alias expansion loop detected at \"%s\" - bailing out\n", name));
X error1("Error expanding \"%s\" - probable alias definition loop.",
X name);
X return FALSE;
X }
X
X /* see if the alias equivalence is a group name */
X if ( mailing && abuf[0] == '!' )
X return do_expand_group(abuf+1, bufptr, bufsizep, sysalias, depth);
X
X /* see if the alias equivalence is an email address */
X if ( strpbrk(abuf,"!@:") != NULL ) {
X#ifdef DONT_TOUCH_ADDRESSES
X return add_name_to_list(abuf, bufptr, bufsizep);
X#else
X return add_name_to_list(expand_system(abuf, TRUE), bufptr, bufsizep);
X#endif
X }
X
X /* see if the alias equivalence is itself an alias */
X if ( mailing && do_get_alias(abuf,bufptr,bufsizep,TRUE,sysalias,depth) )
X return TRUE;
X
X /* the alias equivalence must just be a local address */
X return add_name_to_list(abuf, bufptr, bufsizep);
X}
X
X
X/*
X * Expand the comma-delimited group of names in "group", storing the result
X * in "*bufptr". Returns TRUE if expansion occurs OK, else FALSE in the
X * event of errors.
X */
Xint do_expand_group(group, bufptr, bufsizep, sysalias, depth)
Xchar *group; /* group list to expand */
Xchar **bufptr; /* place to store result of expansion */
Xint *bufsizep; /* available space in the buffer */
Xint sysalias; /* TRUE to suppress checks of the user's aliases */
Xint depth; /* nesting depth */
X{
X char *name;
X
X /* go through each comma-delimited name in the group */
X while ( group != NULL ) {
X
X /* extract the next name from the list */
X for ( name = group ; isspace(*name) ; ++name ) ;
X if ( (group = index(name,',')) != NULL )
X *group++ = '\0';
X remove_possible_trailing_spaces(name);
X if ( *name == '\0' )
X continue;
X
X /* see if this name is really an alias */
X if ( do_get_alias(name, bufptr, bufsizep, TRUE, sysalias, depth) )
X continue;
X
X /* verify it is a valid address */
X if ( !valid_name(name) ) {
X dprint(3, (debugfile,
X "Illegal address %s during list expansion in %s\n",
X name, "do_get_alias"));
X error1("%s is an illegal address!", name);
X return FALSE;
X }
X
X /* add it to the list */
X if ( !add_name_to_list(name, bufptr, bufsizep) )
X return FALSE;
X
X }
X
X return TRUE;
X}
X
X
X/*
X * Append "<comma><space>name" to the list, checking to ensure the buffer
X * does not overflow. Upon return, *bufptr and *bufsizep will be updated to
X * reflect the stuff added to the buffer. If a buffer overflow would occur,
X * an error message is printed and FALSE is returned, else TRUE is returned.
X */
Xint add_name_to_list(name,bufptr,bufsizep)
Xregister char *name; /* name to append to buffer */
Xchar **bufptr; /* pointer to pointer to end of buffer */
Xint *bufsizep; /* pointer to space remaining in buffer */
X{
X register char *dest = *bufptr;
X register int bufsize = *bufsizep;
X
X if ( bufsize < 2 )
X return FALSE;
X *dest++ = ','; --bufsize;
X *dest++ = ' '; --bufsize;
X
X while ( *name != '\0' && --bufsize > 0 )
X *dest++ = *name++ ;
X *dest = '\0';
X
X *bufptr = dest;
X *bufsizep = bufsize;
X if ( bufsize <= 0 ) {
X error("Alias expansion is too long.");
X return FALSE;
X }
X
X return TRUE;
X}
X
X
X
X#ifndef DONT_TOUCH_ADDRESSES
Xchar *expand_system(buffer, show_errors)
Xchar *buffer;
Xint show_errors;
X{
X /** This routine will check the first machine name in the given path
X (if any) and expand it out if it is an alias...if not, it will
X return what it was given. If show_errors is false, it won't
X display errors encountered...
X **/
X
X dprint(6, (debugfile, "expand_system(%s, show-errors=%s)\n", buffer,
X onoff(show_errors)));
X findnode(buffer, show_errors);
X
X return( (char *) buffer);
X}
X#endif
X
Xint
Xfind(word, table, size)
Xchar *word;
Xstruct alias_rec table[];
Xint size;
X{
X /** find word and return loc, or -1 **/
X register int loc;
X
X if (strlen(word) > 20) {
X dprint(3, (debugfile, "Overly long alias name entered: %s\n", word));
X error1("Bad alias name: %s. Too long.\n", word);
X return(-1);
X }
X
X loc = hash_it(word, size);
X
X while (stricmp(word, table[loc].name) != 0) {
X if (table[loc].name[0] == '\0')
X return(-1);
X loc = (loc + 1) % size;
X }
X
X return(loc);
X}
X
Xint
Xstricmp(s1,s2)
Xregister char *s1, *s2;
X{
X /* case insensitive comparison */
X register int d;
X for (;;) {
X d = ( isupper(*s1) ? tolower(*s1) : *s1 )
X - ( isupper(*s2) ? tolower(*s2) : *s2 ) ;
X if ( d != 0 || *s1 == '\0' || *s2 == '\0' )
X return d;
X ++s1;
X ++s2;
X }
X /*NOTREACHED*/
X}
X
Xint
Xhash_it(string, table_size)
Xregister char *string;
Xint table_size;
X{
X /** compute the hash function of the string, returning
X it (mod table_size) **/
X
X register int sum = 0;
X for ( ; *string != '\0' ; ++string )
X sum += (int) ( isupper(*string) ? tolower(*string) : *string );
X
X return(sum % table_size);
X}
X
Xget_line(fd, buffer)
Xint fd;
Xchar *buffer;
X{
X /* Read from file fd. End read upon reading either
X EOF or '\n' character (this is where it differs
X from a straight 'read' command!) */
X
X register int i= 0;
X char ch;
X
X while (read(fd, &ch, 1) > 0)
X if (ch == '\n' || ch == '\r') {
X buffer[i] = 0;
X return;
X }
X else
X buffer[i++] = ch;
X}
SHAR_EOF
chmod 0444 src/aliaslib.c || echo "restore of src/aliaslib.c fails"
echo "x - extracting src/args.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/args.c &&
X
Xstatic char rcsid[] = "@(#)$Id: args.c,v 4.1 90/04/28 22:42:31 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 4.1 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989, 1990 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm@DSI.COM dsinc!elm
X *
X *******************************************************************************
X * $Log: args.c,v $
X * Revision 4.1 90/04/28 22:42:31 syd
X * checkin of Elm 2.3 as of Release PL0
X *
X *
X ******************************************************************************/
X
X/** starting argument parsing routines for ELM system...
X
X**/
X
X#include "headers.h"
X#include "patchlevel.h"
X
Xextern char *optarg; /* optional argument as we go */
Xextern int optind; /* argnum + 1 when we leave */
X
Xvoid exit(); /* just keeping lint happy.... */
X
Xchar *
Xparse_arguments(argc, argv, to_whom)
Xint argc;
Xchar *argv[], *to_whom;
X{
X /** Set flags according to what was given to program. If we are
X fed a name or series of names, put them into the 'to_whom' buffer
X and if the check_only flag wasn't presented, set mail_only to ON,
X and if stdin is not a tty, set batch_only to ON;
X Return req_mfile, which points to a named mail file or is empty.
X **/
X
X register int c = 0;
X char *strcpy();
X static char req_mfile[SLEN];
X
X to_whom[0] = '\0';
X batch_subject[0] = '\0';
X
X while ((c = getopt(argc, argv, "?acd:f:hkKms:Vvwz")) != EOF) {
X switch (c) {
X case 'a' : arrow_cursor++; break;
X case 'c' : check_only++; break;
X case 'd' : debug = atoi(optarg); break;
X case 'f' : strcpy(req_mfile, optarg); break;
X case '?' :
X case 'h' : args_help();
X case 'k' : hp_terminal++; break;
X case 'K' : hp_terminal++; hp_softkeys++; break;
X case 'm' : mini_menu = 0; break;
X case 's' : strcpy(batch_subject, optarg); break;
X case 'V' : sendmail_verbose++; break;
X case 'v' : args_version();
X case 'w' : warnings = 0; break;
X case 'z' : check_size++; break;
X }
X }
X
X
X#ifndef DEBUG
X if (debug)
X printf(
X "Warning: system created without debugging enabled - request ignored\n");
X debug = 0;
X#endif
X
X if (optind < argc) {
X while (optind < argc) {
X if (strlen(to_whom) + strlen(to_whom[0] != '\0'? " " : "") +
X strlen(argv[optind]) > SLEN)
X exit(printf("\n\rToo many addresses, or addresses too long!\n\r"));
X
X sprintf(to_whom, "%s%s%s", to_whom,
X to_whom[0] != '\0'? " " : "", argv[optind]);
X if(!check_only)
X mail_only++;
X optind++;
X }
X check_size = 0; /* NEVER do this if we're mailing!! */
X }
X
X if (strlen(batch_subject) > 0 && ! mail_only)
X exit(printf(
X "\n\rDon't understand specifying a subject and no-one to send to!\n\r"));
X
X if (!isatty(fileno(stdin)) && !check_only) {
X batch_only = ON;
X if(*batch_subject == '\0')
X strcpy(batch_subject, DEFAULT_BATCH_SUBJECT);
X }
X return(req_mfile);
X
X
X}
X
Xargs_help()
X{
X /** print out possible starting arguments... **/
X
X printf("\nPossible Starting Arguments for ELM program:\n\n");
X printf("\targ\t\t\tMeaning\n");
X printf("\t -a \t\tArrow - use the arrow pointer regardless\n");
X printf("\t -c \t\tCheckalias - check the given aliases only\n");
X printf("\t -dn\t\tDebug - set debug level to 'n'\n");
X printf(
X "\t -fx\t\tFolder - read folder 'x' rather than incoming mailbox\n");
X printf("\t -h \t\tHelp - give this list of options\n");
X printf("\t -k \t\tKeypad - enable HP 2622 terminal keyboard\n");
X printf("\t -K \t\tKeypad&softkeys - enable use of softkeys + \"-k\"\n");
X printf("\t -m \t\tMenu - Turn off menu, using more of the screen\n");
X printf("\t -sx\t\tSubject 'x' - for batchmailing\n");
X printf("\t -V \t\tEnable sendmail voyeur mode.\n");
X printf("\t -v \t\tPrint out ELM version information.\n");
X printf("\t -w \t\tSupress warning messages...\n");
X printf("\t -z \t\tZero - don't enter ELM if no mail is pending\n");
X printf("\n");
X printf("\n");
X exit(1);
X}
X
Xargs_version()
X{
X /** print out version information **/
X
X printf("\nElm Version and Identification Information:\n\n");
X printf("\tElm %s PL%d, of %s\n",VERSION,PATCHLEVEL,VERS_DATE);
X printf("\t(C) Copyright 1986, 1987 Dave Taylor\n");
X printf("\t(C) Copyright 1988, 1989, 1990 USENET Community Trust\n");
X printf("\t----------------------------------\n");
X printf("\tConfigured %s\n", CONFIGURE_DATE);
X printf("\t----------------------------------\n");
X
X#ifdef USE_EMBEDDED_ADDRESSES
X printf("\tFrom: and Reply-To: addresses are good: USE_EMBEDDED_ADDRESSES\n");
X#else /* USE_EMBEDDED_ADDRESSES */
X printf("\tFrom: and Reply-To: addresses ignored: not USE_EMBEDDED_ADDRESSES\n");
X#endif /* USE_EMBEDDED_ADDRESSES */
X
X#ifdef OPTIMIZE_RETURN
X printf("\tReturn addresses will be optimized: OPTIMIZE_RETURN\n");
X#else /* OPTIMIZE_RETURN */
X printf("\tReturn addresses will not be optimized: not OPTIMIZE_RETURN\n");
X#endif
X
X#ifdef INTERNET
X printf("\tPrefers Internet address formats: INTERNET\n");
X#else /* INTERNET */
X printf("\tInternet address formats not used: not INTERNET\n");
X#endif /* INTERNET */
X
X#ifdef DEBUG
X printf("\tDebug options are available: DEBUG\n");
X#else /* DEBUG */
X printf("\tNo debug options are available: not DEBUG\n");
X#endif /* DEBUG */
X
X#ifdef CRYPT
X printf("\tCrypt function enabled: CRYPT\n");
X#else /* CRYPT */
X printf("\tCrypt function disabled: not CRYPT\n");
X#endif /* CRYPT */
X
X#ifdef ALLOW_MAILBOX_EDITING
X printf("\tMailbox editing included: ALLOW_MAILBOX_EDITING\n");
X#else /* ALLOW_MAILBOX_EDITING */
X printf("\tMailbox editing not included: not ALLOW_MAILBOX_EDITING\n");
X#endif /* ALLOW_MAILBOX_EDITING */
X
X#ifdef ENABLE_CALENDAR
X printf("\tCalendar file feature enabled: ENABLE_CALENDAR\n");
X printf("\t\t(Default calendar file is %s)\n",dflt_calendar_file);
X#else /* ENABLE_CALENDAR */
X printf("\tCalendar file feature disabled: not ENABLE_CALENDAR\n");
X#endif /* ENABLE_CALENDAR */
X
X printf("\n\n");
X exit(1);
X
X}
X
SHAR_EOF
chmod 0444 src/args.c || echo "restore of src/args.c fails"
echo "x - extracting src/bouncebk.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/bouncebk.c &&
X
Xstatic char rcsid[] = "@(#)$Id: bouncebk.c,v 4.1 90/04/28 22:42:33 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 4.1 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989, 1990 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm@DSI.COM dsinc!elm
X *
X *******************************************************************************
X * $Log: bouncebk.c,v $
X * Revision 4.1 90/04/28 22:42:33 syd
X * checkin of Elm 2.3 as of Release PL0
X *
X *
X ******************************************************************************/
X
X/** This set of routines implement the bounceback feature of the mailer.
X This feature allows mail greater than 'n' hops away (n specified by
X the user) to have a 'cc' to the user through the remote machine.
X
X Due to the vagaries of the Internet addressing (uucp -> internet -> uucp)
X this will NOT generate bounceback copies with mail to an internet host!
X
X**/
X
X#include "headers.h"
X
Xchar *bounce_off_remote(), /* forward declaration */
X *strcat(), *strcpy();
X
Xint
Xuucp_hops(to)
Xchar *to;
X{
X /** Given the entire "To:" list, return the number of hops in the
X first address (a hop = a '!') or ZERO iff the address is to a
X non uucp address.
X **/
X
X register int hopcount = 0, iindex;
X
X for (iindex = 0; ! whitespace(to[iindex]) && to[iindex] != '\0'; iindex++) {
X if (to[iindex] == '!')
X hopcount++;
X else if (to[iindex] == '@' || to[iindex] == '%' || to[iindex] == ':')
X return(0); /* don't continue! */
X }
X
X return(hopcount);
X}
X
Xchar *bounce_off_remote(to)
Xchar *to;
X{
X /** Return an address suitable for framing (no, that's not it...)
X Er, suitable for including in a 'cc' line so that it ends up
X with the bounceback address. The method is to take the first
X address in the To: entry and break it into machines, then
X build a message up from that. For example, consider the
X following address:
X a!b!c!d!e!joe
X the bounceback address would be;
X a!b!c!d!e!d!c!b!a!ourmachine!ourname
X simple, eh?
X **/
X
X static char address[LONG_STRING]; /* BEEG address buffer! */
X
X char host[MAX_HOPS][NLEN]; /* for breaking up addr */
X register int hostcount = 0, hindex = 0,
X iindex;
X
X for (iindex = 0; !whitespace(to[iindex]) && to[iindex] != '\0'; iindex++) {
X if (to[iindex] == '!') {
X host[hostcount][hindex] = '\0';
X hostcount++;
X hindex = 0;
X }
X else
X host[hostcount][hindex++] = to[iindex];
X }
X
X /* we have hostcount hosts... */
X
X strcpy(address, host[0]); /* initialize it! */
X
X for (iindex=1; iindex < hostcount; iindex++) {
X strcat(address, "!");
X strcat(address, host[iindex]);
X }
X
X /* and now the same thing backwards... */
X
X for (iindex = hostcount -2; iindex > -1; iindex--) {
X strcat(address, "!");
X strcat(address, host[iindex]);
X }
X
X /* and finally, let's tack on our machine and login name */
X
X strcat(address, "!");
X strcat(address, hostname);
X strcat(address, "!");
X strcat(address, username);
X
X /* and we're done!! */
X
X return( (char *) address );
X}
SHAR_EOF
chmod 0444 src/bouncebk.c || echo "restore of src/bouncebk.c fails"
echo "x - extracting src/builtin.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > src/builtin.c &&
X
Xstatic char rcsid[] = "@(#)$Id: builtin.c,v 4.1 90/04/28 22:42:34 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 4.1 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989, 1990 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm@DSI.COM dsinc!elm
X *
X *******************************************************************************
X * $Log: builtin.c,v $
X * Revision 4.1 90/04/28 22:42:34 syd
X * checkin of Elm 2.3 as of Release PL0
X *
X *
X ******************************************************************************/
X
X/** This is the built-in pager for displaying messages while in the Elm
X program. It's a bare-bones pager with precious few options. The idea
X is that those systems that are sufficiently slow that using an external
X pager such as 'more' is too slow, then they can use this!
X
X Also added support for the "builtin+" pager (clears the screen for
X each new page) including a two-line overlap for context...
X
X**/
X
X#include "headers.h"
X#include <ctype.h>
X
X#define BEEP 007 /* ASCII Bell character */
X
Xstatic unfilled_lines,
X form_title;
X
Xint lines_displayed, /* total number of lines displayed */
X total_lines_to_display, /* total number of lines in message */
X pages_displayed; /* for the nth page titles and all */
X
Xstart_builtin(lines_in_message)
Xint lines_in_message;
X{
X /** clears the screen and resets the internal counters... **/
X
X dprint(8,(debugfile,
X "displaying %d lines from message using internal pager\n",
X lines_in_message));
X
X unfilled_lines = LINES;
X form_title = 1;
X lines_displayed = 0;
X pages_displayed = 1;
X
X total_lines_to_display = lines_in_message;
X}
X
Xextern int tabspacing;
X
Xint
Xnext_line(inputptr, output, width)
Xchar **inputptr, *output;
Xregister unsigned width;
X{
X /* Copy characters from input to output and copy
X * remainder of output to output. In copying use ^X notation for
X * control characters, '?' non-ascii characters, expand tabs
X * to correct number of spaces till next tab stop.
X * Column zero of the next line is considered to be the tab stop
X * that follows the last one that fits on a line.
X * Copy until newline/return encountered, null char encountered,
X * width characters producted in output buffer.
X * Formfeed is handled exceptionally. If encountered it
X * is removed from input and 1 is returned. Otherwise 0 is returned.
X */
X
X register char *optr, *iptr;
X register unsigned chars_output, nt;
X int ret_val;
X
X optr = output;
X iptr = *inputptr;
X chars_output = 0;
X
X ret_val = 0; /* presume no formfeed */
X while(1) {
X
X if(chars_output >= width) { /* no more room on line */
X *optr++ = '\n';
X *optr++ = '\r';
X /* if next input character is newline or return,
X * we can skip over it since we are outputing a newline anyway */
X if((*iptr == '\n') || (*iptr == '\r'))
X iptr++;
X break;
X } else if (*iptr == '\n' || *iptr == '\r') { /*newline or return */
X *optr++ = '\n';
X *optr++ = '\r';
X iptr++;
X break; /* end of line */
X } else if(*iptr == '\f') { /* formfeed */
X /* if next input character is newline or return,
X * we can skip over it since we are outputing a formfeed anyway */
X if((*++iptr == '\n') || (*iptr == '\r'))
X iptr++;
X ret_val = 1;
X break; /* leave rest of screen clear */
X } else if(*iptr == '\0') { /* none left in input string */
X break;
X } else if(*iptr == '\t') { /* tab stop */
X if((nt=next_tab(chars_output+1)) > width) {
X *optr++ = '\n'; /* won't fit on this line - autowrap */
X *optr++ = '\r'; /* tab by tabbing so-to-speak to 1st */
X iptr++; /* column of next line */
X break;
X } else { /* will fit - output proper num of spaces */
X while(chars_output < nt-1) {
X chars_output++;
X *optr++ = ' ';
X }
X iptr++;
X }
X } else if(isprint(*iptr)) {
X *optr++ = *iptr++; /* printing character */
X chars_output++;
X } else { /* non-white space control character */
X if(chars_output + 2 <= width) {
X *optr++ = '^';
X *optr++ = (*iptr == '\177' ? '?' : (*iptr&0177) + 'A' - 1);
X iptr++;
X chars_output += 2;
X } else { /* no space on line for both chars */
X break;
X }
X }
X }
X *optr = '\0';
X *inputptr = iptr;
X return(ret_val);
X}
X
X
Xint
Xdisplay_line(input_line)
Xchar *input_line;
X{
X /** Display the given line on the screen, taking into account such
X dumbness as wraparound and such. If displaying this would put
X us at the end of the screen, put out the "MORE" prompt and wait
X for some input. Return non-zero if the user terminates the
X paging (e.g. 'i') or zero if we should continue. Also,
X this will pass back the value of any character the user types in
X at the prompt instead, if needed... (e.g. if it can't deal with
X it at this point)
X **/
X
X char *pending, footer[SLEN], display_buffer[SLEN], ch;
X int formfeed, lines_more;
X
X#ifdef MMDF
X if (strcmp(input_line, MSG_SEPERATOR) == 0)
X strcpy(input_line," ");
X#endif /* MMDF */
X pending = input_line;
X CarriageReturn();
X
X do {
X
X /* while there is more space on the screen - leave prompt line free */
X while(unfilled_lines > 0) {
X
X /* display a screen's lineful of the input line
X * and reset pending to point to remainder of input line */
X formfeed = next_line(&pending, display_buffer, COLUMNS);
X
X if(*display_buffer == '\0') { /* no line to display */
X if(!formfeed) /* no "formfeed" to display
X * need more lines for screen */
X return(FALSE);
X } else
X Write_to_screen(display_buffer, 0);
X
X /* if formfeed, clear remainder of screen */
X if(formfeed) {
X CleartoEOS();
X unfilled_lines=0;
X }
X else
X unfilled_lines--;
X
X /* if screen is not full (leave room for prompt)
X * but we've used up input line, return */
X
X if(unfilled_lines > 0 && *pending == '\0')
X return(FALSE); /* we need more lines to fill screen */
X
X /* otherwise continue to display next part of input line */
X }
X
X /* screen is now full - prompt for user input */
X lines_more = total_lines_to_display - lines_displayed;
X sprintf(footer,
X ( (user_level == 0) ?
X " There %s %d line%s left (%d%%). Press <space> for more, or 'i' to return. "
X : (user_level == 1) ?
X " %s%d line%s more (%d%%). Press <space> for more, 'i' to return. "
X :
X " %s%d line%s more (you've seen %d%%) "),
X (user_level == 0 ?
X (lines_more == 1 ? "is" : "are") : ""),
X lines_more, plural(lines_more),
X (int)((100L * lines_displayed) / total_lines_to_display));
X
X MoveCursor(LINES, 0);
X StartBold();
X Write_to_screen(footer, 0);
X EndBold();
X
X switch(ch = ReadCh()) {
X
X case '\n':
X case '\r': /* scroll down a line */
X unfilled_lines = 1;
X ClearLine(LINES);
X break;
X
X case ' ': /* scroll a screenful */
X unfilled_lines = LINES;
X if(clear_pages) {
X ClearScreen();
X MoveCursor(0,0);
X CarriageReturn();
X
X /* output title */
X if(title_messages && filter) {
X title_for_page(++pages_displayed);
X unfilled_lines -= 2;
X }
X } else ClearLine(LINES);
X
X /* and keep last line to be first line of next
X * screenful unless we had a formfeed */
X if(!formfeed) {
X if(clear_pages)
X Write_to_screen(display_buffer, 0);
X unfilled_lines--;
X }
X break;
X
X default: return(ch);
X }
X CarriageReturn();
X } while(*pending);
X return(FALSE);
X}
X
Xtitle_for_page(page)
Xint page;
X{
X /** Output a nice title for the second thru last pages of the message
X we're currently reading. Note - this code is very similar to
X that which produces the title for the first page, except that
X page number replaces the date and the method by which it
X gets to the screen **/
X
X static char title1[SLEN], title2[SLEN];
X char titlebuf[SLEN], title3[SLEN], who[SLEN];
X static t1_len, t2_len;
X register int padding, showing_to;
X
X /* format those parts of the title that are constant for a message */
X if(form_title) {
X
X showing_to = tail_of(headers[current-1]->from, who,
X headers[current-1]->to);
X
X sprintf(title1, "%s %d/%d ",
X headers[current-1]->status & DELETED ? "[deleted]" :
X headers[current-1]->status & FORM_LETTER ? "Form": "Message",
X current, message_count);
X t1_len = strlen(title1);
X sprintf(title2, "%s %s", showing_to? "To" : "From", who);
X t2_len = strlen(title2);
X }
X /* format those parts of the title that vary between pages of a mesg */
X sprintf(title3, " Page %d", page);
X
X /* truncate or pad title2 portion on the right
X * so that line fits exactly to the rightmost column */
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
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 4.1 90/04/28 22:42:36 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 4.1 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989, 1990 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm@DSI.COM dsinc!elm
X *
X *******************************************************************************
X * $Log: calendar.c,v $
X * Revision 4.1 90/04/28 22:42:36 syd
X * checkin of Elm 2.3 as of Release PL0
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 4.1 90/04/28 22:42:37 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 4.1 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989, 1990 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm@DSI.COM dsinc!elm
X *
X *******************************************************************************
X * $Log: conn_to.c,v $
X * Revision 4.1 90/04/28 22:42:37 syd
X * checkin of Elm 2.3 as of Release PL0
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.
X It will invoke uuname to a file, then read the file in!
X**/
X
X#include "headers.h"
X
Xchar *strcpy();
X
X#ifndef DONT_TOUCH_ADDRESSES
Xget_connections()
X{
X
X /** get the direct connections that this machine has
X using the uuname routine to get the names.
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
X if (! warnings) { /* skip this - they don't care! */
X talk_to_sys = NULL;
X return;
X }
X
X if (strlen(uuname) == 0) { /* skip this - no way to get connections */
X warnings = NO;
X talk_to_sys = NULL;
X dprint(1, (debugfile, "No uuname - clearing warnings\n"));
X error("Warning: no uuname command, clearing option warnings");
X return;
X }
X
X sprintf(filename, "%s%s%d", temp_dir, temp_uuname, getpid());
X sprintf(buffer,"%s > %s", uuname, filename);
X
X if (system_call(buffer, SH, FALSE, FALSE) != 0) {
X dprint(1, (debugfile, "Can't get uuname info - system() failed!\n"));
X goto unable_to_get;
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 goto unable_to_get;
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; /* it all went okay... */
X
Xunable_to_get:
X unlink(filename); /* insurance */
X error("Warning: couldn't figure out system connections...");
X talk_to_sys = NULL;
X}
X#endif
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 4.1 90/04/28 22:42:39 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 4.1 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989, 1990 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm@DSI.COM dsinc!elm
X *
X *******************************************************************************
X * $Log: curses.c,v $
X * Revision 4.1 90/04/28 22:42:39 syd
X * checkin of Elm 2.3 as of Release PL0
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 TERMIOS
X# include <termios.h>
X# if __convex__
X# include <sys/ioctl.h> /* non-standard, for TIOCGWINSZ */
X# endif
X#else
X# ifdef TERMIO
X# include <termio.h>
X# else
X# include <sgtty.h>
X# endif
X#endif
X
X#include <ctype.h>
X
X#ifdef PTEM
X# include <sys/types.h>
X# include <sys/stream.h>
X# include <sys/ptem.h>
X#endif
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 TERMIOS
Xstruct termios _raw_tty,
X _original_tty;
X#define ttgetattr(fd,where) tcgetattr((fd),(where))
X#define ttsetattr(fd,where) tcsetattr((fd),TCSADRAIN,(where))
X#else /*TERMIOS*/
X# ifdef TERMIO
Xstruct termio _raw_tty,
X _original_tty;
X#define ttgetattr(fd,where) ioctl((fd),TCGETA,(where))
X#define ttsetattr(fd,where) ioctl((fd),TCSETAW,(where))
X# else
Xstruct sgttyb _raw_tty,
X _original_tty;
X#define ttgetattr(fd,where) ioctl((fd),TIOCGETP,(where))
X#define ttsetattr(fd,where) ioctl((fd),TIOCSETP,(where))
X# endif /*TERMIO*/
X#endif /*TERMIOS*/
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);
SHAR_EOF
echo "End of part 12"
echo "File src/curses.c is continued in part 13"
echo "13" > s2_seq_.tmp
exit 0
exit 0 # Just in case...
--
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