Example #1
0
void doLocalAnsiArgument(int type) {
    char symbol_name[NAMESIZE];
    int identity, address, argptr, ptr;

    if (match("*")) {
        identity = POINTER;
    } else {
        if (type == STRUCT) {
            error("cannot pass struct");
            return;
        }
        identity = VARIABLE;
        if (type == VOID)
            return;
    }
    if (symname(symbol_name)) {
        if (find_locale(symbol_name) > -1) {
            multidef(symbol_name);
        } else {
            argptr = add_local (symbol_name, identity, type, 0, AUTO);
            argstk = argstk + INTSIZE;
            ptr = local_table_index;
            while (ptr != NUMBER_OF_GLOBALS) { // modify stack offset as we push more params
                ptr = ptr - 1;
                address = symbol_table[ptr].offset;
                symbol_table[ptr].offset = address + INTSIZE;
                /* Struct etc FIXME */
            }
        }
    } else {
        error("illegal argument name");
        junk();
    }
    if (match("[")) {
        while (inbyte() != ']') {
            if (endst()) {
                break;
            }
        }
        identity = POINTER;
        symbol_table[argptr].identity = identity;
    }
}
Example #2
0
TEST_F(SHAPE, Init)
{
	ade::Shape scalar;

	std::vector<ade::DimT> slist = {12, 43, 56};
	ade::Shape vec(slist);
	uint8_t n = slist.size();

	std::vector<ade::DimT> longlist = {4, 23, 44, 52, 19, 92, 12, 2, 5};
	ade::Shape lvec(longlist);

	std::vector<ade::DimT> zerolist = {43, 2, 5, 33, 0, 2, 7};
	std::string fatalmsg = "cannot create shape with vector containing zero: " +
		fmts::to_string(zerolist.begin(), zerolist.end());
	EXPECT_FATAL(ade::Shape junk(zerolist), fatalmsg.c_str());

	for (uint8_t i = 0; i < ade::rank_cap; ++i)
	{
		EXPECT_EQ(1, scalar.at(i));
	}

	for (uint8_t i = 0; i < n; ++i)
	{
		EXPECT_EQ(slist[i], vec.at(i));
	}
	for (uint8_t i = n; i < ade::rank_cap; ++i)
	{
		EXPECT_EQ(1, vec.at(i));
	}

	for (uint8_t i = 0; i < ade::rank_cap; ++i)
	{
		EXPECT_EQ(longlist[i], lvec.at(i));
	}

	EXPECT_FATAL(scalar.at(ade::rank_cap), "cannot access out of bounds index 8");
	EXPECT_FATAL(vec.at(ade::rank_cap), "cannot access out of bounds index 8");
}
Example #3
0
/**
    \fn EndAndPaddTilleSizeMatchesAviListAvi
    \brief Warning we assume everything is even
*/
bool  AviListAvi::EndAndPaddTilleSizeMatches(int sizeFilled)
{
    uint64_t pos=Tell();            // Current position
    uint64_t start=TellBegin()+8;   // Payload start
    uint64_t end=start+sizeFilled;  // Next chunk
    if(pos&1)
        ADM_backTrack("[AVI]CHUNK is at a even position",__LINE__,__FILE__);
    if(pos+8>end)
    {
        ADM_error("No space to add junk chunk ( %d, filler=%d)\n",(int)pos-start,sizeFilled);
        if(end<=pos)
        {
            ADM_error("CHUNK OVERFLOW ( %d, filler=%d)\n",(int)pos-start,sizeFilled);
            ADM_error("CHUNK OVERFLOW ( %d, filler=%d)\n",(int)pos-start,sizeFilled);
            ADM_error("CHUNK OVERFLOW ( %d, filler=%d)\n",(int)pos-start,sizeFilled);
            ADM_error("CHUNK OVERFLOW ( %d, filler=%d)\n",(int)pos-start,sizeFilled);       
            ADM_backTrack("CHUNK overflow",__LINE__,__FILE__);
            return false;
        }

        int left=(int)(end-pos);
        for(int i=0;i<left;i++) Write8(0); // we dont have enough space to put a junk()
        End();
        return true;
 
    }
    End();
    uint64_t left=end-8-pos;
    AviListAvi junk("JUNK",getFile());
    junk.Begin();
    for(int i=0;i<left;i++)  // Inefficient, but can be fairly large
            junk.Write8(0);
    junk.End();
    return true;

}
Example #4
0
bool MakeJunction(const string& target, const string& junkpath, mgr_file::Attrs* attrs) {
	if (mgr_file::Exists(junkpath))
		return false;
	if (!mgr_file::Exists(target))
		return false;
	mgr_file::Info nfo(target);
	if (!nfo.IsDir())
		return false;
	mgr_file::MkDir(junkpath, attrs);
	str::u16string tgt(target);
	str::u16string junk(junkpath);
	ResHandle hLink(OpenLinkHandle(str::u16string(junkpath).c_str(), GENERIC_WRITE));
	if ((bool)hLink) {
		str::u16string SubstituteName("\\??\\" + target);
		REPARSE_BUF rdb;
		rdb->ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
		rdb.fill(tgt.c_str(), tgt.size(), SubstituteName.c_str(), SubstituteName.size());
		if (rdb.set(junk.c_str())) {
			return true;
		}
	}
	mgr_file::Remove(junkpath);
	return false;
}
Example #5
0
void foo(void)
{
   int a;
   junk(a = 3);
}
Example #6
0
void newfunc_typed(int storage, char *n, int type)
{
    int idx;
    SYMBOL *symbol;
    char an[NAMESIZE];

    fexitlab = getlabel();

    if ((idx = find_global(n)) > -1) {
        symbol = &symbol_table[idx];
        if (symbol->identity != FUNCTION)
            multidef(n);
    } else {
        /* extern implies global scope */
        idx = add_global(n, FUNCTION, CINT, 0, storage == EXTERN ? PUBLIC : storage);
        symbol = &symbol_table[idx];
    }
    local_table_index = NUMBER_OF_GLOBALS; //locptr = STARTLOC;
    argstk = 0;
    // ANSI style argument declaration
    if (doAnsiArguments()) {
        if (storage == EXTERN) {
            need_semicolon();
            return;
        }
        /* No body .. just a definition */
        if (match(";"))
            return;
    } else {
        // K&R style argument declaration
        while (!match(")")) {
            if (symname(an)) {
                if (find_locale(an) > -1)
                    multidef(an);
                else {
                    /* FIXME: struct */
                    add_local(an, 0, 0, argstk, AUTO);
                    argstk = argstk + INTSIZE;
                }
            } else {
                error("illegal argument name");
                junk();
            }
            blanks();
            if (!streq(line + lptr, ")")) {
                if (!match(","))
                    error("expected comma");
            }
            if (endst())
                break;
        }
        if (storage == EXTERN) {
            need_semicolon();
            return;
        }
        /* No body .. just a definition */
        if (match(";"))
            return;
        stkp = 0;
        argtop = argstk;
        while (argstk) {
            if ((type = get_type()) != -1) {
                notvoid(type);
                getarg(type);
                need_semicolon();
            } else {
                error("wrong number args");
                break;
            }
        }
    }
    if (symbol->offset == FUNCTION)
            multidef(n);
    symbol->offset = FUNCTION;
    output_string(n);
    output_label_terminator();
    newline();
    gen_prologue();
    statement(YES);
    print_label(fexitlab);
    output_label_terminator();
    newline();
    gen_epilogue();
    gen_modify_stack(0);
    gen_ret();
    stkp = 0;
    local_table_index = NUMBER_OF_GLOBALS; //locptr = STARTLOC;
}
Example #7
0
/**
 * nfnl_listen: listen for one or more netlink messages
 * @nfnhl: libnfnetlink handle
 * @handler: callback function to be called for every netlink message
 *          - the callback handler should normally return 0
 *          - but may return a negative error code which will cause
 *            nfnl_listen to return immediately with the same error code
 *          - or return a postivie error code which will cause 
 *            nfnl_listen to return after it has finished processing all
 *            the netlink messages in the current packet
 *          Thus a positive error code will terminate nfnl_listen "soon"
 *          without any loss of data, a negative error code will terminate
 *          nfnl_listen "very soon" and throw away data already read from
 *          the netlink socket.
 * @jarg: opaque argument passed on to callback
 *
 * This function is used to receive and process messages coming from an open
 * nfnetlink handler like events or information request via nfnl_send().
 *
 * On error, -1 is returned, unfortunately errno is not always set
 * appropiately. For that reason, the use of this function is DEPRECATED. 
 * Please, use nfnl_receive_process() instead.
 */
int nfnl_listen(struct nfnl_handle *nfnlh,
		int (*handler)(struct sockaddr_nl *, struct nlmsghdr *n,
			       void *), void *jarg)
{
	struct sockaddr_nl nladdr;
	char buf[NFNL_BUFFSIZE] __attribute__ ((aligned));
	struct iovec iov;
	int remain;
	struct nlmsghdr *h;
	struct nlmsgerr *msgerr;
	int quit=0;

	struct msghdr msg = {
		.msg_name    = &nladdr,
		.msg_namelen = sizeof(nladdr),
		.msg_iov     = &iov,
		.msg_iovlen  = 1,
	};

	memset(&nladdr, 0, sizeof(nladdr));
	nladdr.nl_family = AF_NETLINK;
	iov.iov_base = buf;
	iov.iov_len = sizeof(buf);

	while (! quit) {
		remain = recvmsg(nfnlh->fd, &msg, 0);
		if (remain < 0) {
			if (errno == EINTR)
				continue;
			/* Bad file descriptor */
			else if (errno == EBADF)
				break;
			else if (errno == EAGAIN)
				break;
			nfnl_error("recvmsg overrun: %s", strerror(errno));
			continue;
		}
		if (remain == 0) {
			nfnl_error("EOF on netlink");
			return -1;
		}
		if (msg.msg_namelen != sizeof(nladdr)) {
			nfnl_error("Bad sender address len (%d)",
				   msg.msg_namelen);
			return -1;
		}

		for (h = (struct nlmsghdr *)buf; remain >= sizeof(*h);) {
			int err;
			int len = h->nlmsg_len;
			int l = len - sizeof(*h);

			if (l < 0 || len > remain) {
				if (msg.msg_flags & MSG_TRUNC) {
					nfnl_error("MSG_TRUNC");
					return -1;
				}
				nfnl_error("Malformed msg (len=%d)", len);
				return -1;
			}

			/* end of messages reached, let's return */
			if (h->nlmsg_type == NLMSG_DONE)
				return 0;

			/* Break the loop if success is explicitely
			 * reported via NLM_F_ACK flag set */
			if (h->nlmsg_type == NLMSG_ERROR) {
				msgerr = NLMSG_DATA(h);
				return msgerr->error;
			}

			err = handler(&nladdr, h, jarg);
			if (err < 0)
				return err;
			quit |= err;
		
			/* FIXME: why not _NEXT macros, etc.? */
			//h = NLMSG_NEXT(h, remain);
			remain -= NLMSG_ALIGN(len);
			h = (struct nlmsghdr *)((char *)h + NLMSG_ALIGN(len));
		}
		if (msg.msg_flags & MSG_TRUNC) {
			nfnl_error("MSG_TRUNC");
			continue;
		}
		if (remain) {
			nfnl_error("remnant size %d", remain);
			return -1;
		}
	}

	return quit;
}

/**
 * nfnl_talk - send a request and then receive and process messages returned
 * @nfnlh: nfnetelink handler
 * @n: netlink message that contains the request
 * @peer: peer PID
 * @groups: netlink groups
 * @junk: callback called if out-of-sequence messages were received
 * @jarg: data for the junk callback
 *
 * This function is used to request an action that does not returns any
 * information. On error, a negative value is returned, errno could be
 * set appropiately. For that reason, the use of this function is DEPRECATED.
 * Please, use nfnl_query() instead.
 */
int nfnl_talk(struct nfnl_handle *nfnlh, struct nlmsghdr *n, pid_t peer,
	      unsigned groups, struct nlmsghdr *answer,
	      int (*junk)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
	      void *jarg)
{
	char buf[NFNL_BUFFSIZE] __attribute__ ((aligned));
	struct sockaddr_nl nladdr;
	struct nlmsghdr *h;
	unsigned int seq;
	int status;
	struct iovec iov = {
		n, n->nlmsg_len
	};
	struct msghdr msg = {
		.msg_name    = &nladdr,
		.msg_namelen = sizeof(nladdr),
		.msg_iov     = &iov,
		.msg_iovlen  = 1,
	};

	memset(&nladdr, 0, sizeof(nladdr));
	nladdr.nl_family = AF_NETLINK;
	nladdr.nl_pid = peer;
	nladdr.nl_groups = groups;

	n->nlmsg_seq = seq = ++nfnlh->seq;
	/* FIXME: why ? */
	if (!answer)
		n->nlmsg_flags |= NLM_F_ACK;

	status = sendmsg(nfnlh->fd, &msg, 0);
	if (status < 0) {
		nfnl_error("sendmsg(netlink) %s", strerror(errno));
		return -1;
	}
	iov.iov_base = buf;
	iov.iov_len = sizeof(buf);

	while (1) {
		status = recvmsg(nfnlh->fd, &msg, 0);
		if (status < 0) {
			if (errno == EINTR)
				continue;
			nfnl_error("recvmsg over-run");
			continue;
		}
		if (status == 0) {
			nfnl_error("EOF on netlink");
			return -1;
		}
		if (msg.msg_namelen != sizeof(nladdr)) {
			nfnl_error("Bad sender address len %d",
				   msg.msg_namelen);
			return -1;
		}

		for (h = (struct nlmsghdr *)buf; status >= sizeof(*h); ) {
			int len = h->nlmsg_len;
			int l = len - sizeof(*h);
			int err;

			if (l < 0 || len > status) {
				if (msg.msg_flags & MSG_TRUNC) {
					nfnl_error("Truncated message\n");
					return -1;
				}
				nfnl_error("Malformed message: len=%d\n", len);
				return -1; /* FIXME: libnetlink exits here */
			}

			if (h->nlmsg_pid != nfnlh->local.nl_pid ||
			    h->nlmsg_seq != seq) {
				if (junk) {
					err = junk(&nladdr, h, jarg);
					if (err < 0)
						return err;
				}
				goto cont;
			}

			if (h->nlmsg_type == NLMSG_ERROR) {
				struct nlmsgerr *err = NLMSG_DATA(h);
				if (l < sizeof(struct nlmsgerr))
					nfnl_error("ERROR truncated\n");
				else {
					errno = -err->error;
					if (errno == 0) {
						if (answer)
							memcpy(answer, h, h->nlmsg_len);
						return 0;
					}
					perror("NFNETLINK answers");
				}
				return err->error;
			}
			if (answer) {
				memcpy(answer, h, h->nlmsg_len);
				return 0;
			}

			nfnl_error("Unexpected reply!\n");
cont:
			status -= NLMSG_ALIGN(len);
			h = (struct nlmsghdr *)((char *)h + NLMSG_ALIGN(len));
		}
		if (msg.msg_flags & MSG_TRUNC) {
			nfnl_error("Messages truncated\n");
			continue;
		}
		if (status)
			nfnl_error("Remnant of size %d\n", status);
	}
}

/**
 * nfnl_addattr_l - Add variable length attribute to nlmsghdr
 * @n: netlink message header to which attribute is to be added
 * @maxlen: maximum length of netlink message header
 * @type: type of new attribute
 * @data: content of new attribute
 * @len: attribute length
 */
int nfnl_addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data,
		   int alen)
{
	int len = NFA_LENGTH(alen);
	struct nfattr *nfa;

	assert(n);
	assert(maxlen > 0);
	assert(type >= 0);

	if ((NLMSG_ALIGN(n->nlmsg_len) + len) > maxlen) {
		errno = ENOSPC;
		return -1;
	}

	nfa = NLMSG_TAIL(n);
	nfa->nfa_type = type;
	nfa->nfa_len = len;
	memcpy(NFA_DATA(nfa), data, alen);
	memset((uint8_t *)nfa + nfa->nfa_len, 0, NFA_ALIGN(alen) - alen);
	n->nlmsg_len = (NLMSG_ALIGN(n->nlmsg_len) + NFA_ALIGN(len));
	return 0;
}
Example #8
0
int rtnl_dump_filter(struct rtnl_handle *rth,
		     int (*filter)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
		     void *arg1,
		     int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
		     void *arg2)
{
	char	buf[8192];
	struct sockaddr_nl nladdr;
	struct iovec iov = { buf, sizeof(buf) };

	while (1) {
		int status;
		struct nlmsghdr *h;

		struct msghdr msg = {
			(void*)&nladdr, sizeof(nladdr),
			&iov,	1,
			NULL,	0,
			0
		};

		status = recvmsg(rth->fd, &msg, 0);

		if (status < 0) {
			if (errno == EINTR)
				continue;
//			perror("OVERRUN");
			snmp_log(LOG_WARNING,"overrun\n");
			continue;
		}
		if (status == 0) {
//			fprintf(stderr, "EOF on netlink\n");
			snmp_log(LOG_NOTICE,"EOF on netlink\n");
			return -1;
		}
		if (msg.msg_namelen != sizeof(nladdr)) {
//			fprintf(stderr, "sender address length == %d\n", msg.msg_namelen);
			snmp_log(LOG_NOTICE,"sender address length\n");
			return(1);
		}

		h = (struct nlmsghdr*)buf;
		while (NLMSG_OK(h, status)) {
			int err;

			if (h->nlmsg_pid != rth->local.nl_pid ||
			    h->nlmsg_seq != rth->dump) {
				if (junk) {
					err = junk(&nladdr, h, arg2);
					if (err < 0)
						return err;
				}
				goto skip_it;
			}

			if (h->nlmsg_type == NLMSG_DONE)
				return 0;
			if (h->nlmsg_type == NLMSG_ERROR) {
				struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h);
				if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) {
//					fprintf(stderr, "ERROR truncated\n");
					snmp_log(LOG_NOTICE,"error struncated\n");
				} else {
					errno = -err->error;
//					perror("RTNETLINK answers");
					snmp_log(LOG_NOTICE,"rtnetlink failed\n");
				}
				return -1;
			}
			err = filter(&nladdr, h, arg1);
			if (err < 0)
				return err;

skip_it:
			h = NLMSG_NEXT(h, status);
		}
		if (msg.msg_flags & MSG_TRUNC) {
//			fprintf(stderr, "Message truncated\n");
			snmp_log(LOG_NOTICE,"message truncated\n");
			continue;
		}
		if (status) {
//			fprintf(stderr, "!!!Remnant of size %d\n", status);
			snmp_log(LOG_NOTICE,"remnant of size\n");
			return(1);
		}
	}
}
Example #9
0
newfunc ()
{
        char    n[NAMESIZE], *ptr;
        fexitlab = getlabel();

        if (!symname (n) ) {
                error ("illegal function or declaration");
                kill ();
                return;
        }
        if (ptr = findglb (n)) {
                if (ptr[IDENT] != FUNCTION)
                        multidef (n);
                else if (ptr[OFFSET] == FUNCTION)
                        multidef (n);
                else
                        ptr[OFFSET] = FUNCTION;
        } else
                addglb (n, FUNCTION, CINT, FUNCTION, PUBLIC);
        prologue ();
        if (!match ("("))
                error ("missing open paren");
        prefix ();
        outstr (n);
        col ();
        nl ();
        locptr = STARTLOC;
        argstk = 0;
        while (!match (")")) {
                if (symname (n)) {
                        if (findloc (n))
                                multidef (n);
                        else {
                                addloc (n, 0, 0, argstk, AUTO);
                                argstk = argstk + intsize();
                        }
                } else {
                        error ("illegal argument name");
                        junk ();
                }
                blanks ();
                if (!streq (line + lptr, ")")) {
                        if (!match (","))
                                error ("expected comma");
                }
                if (endst ())
                        break;
        }
        stkp = 0;
        argtop = argstk;
        while (argstk) {
                if (amatch ("register", 8)) {
                        if (amatch("char", 4))
                                getarg(CCHAR);
                        else if (amatch ("int", 3))
                                getarg(CINT);
                        else
                                getarg(CINT);
                        ns();
                } else if (amatch ("char", 4)) {
                        getarg (CCHAR);
                        ns ();
                } else if (amatch ("int", 3)) {
                        getarg (CINT);
                        ns ();
                } else {
                        error ("wrong number args");
                        break;
                }
        }
        statement(YES);
        printlabel(fexitlab);
        col();
        nl();
        modstk (0);
        gret ();
        stkp = 0;
        locptr = STARTLOC;

}
Example #10
0
/*
 * Get a line into genbuf after gcursor.
 * Cnt limits the number of input characters
 * accepted and is used for handling the replace
 * single character command.  Aescaped is the location
 * where we stick a termination indicator (whether we
 * ended with an ESCAPE or a newline/return.
 *
 * We do erase-kill type processing here and also
 * are careful about the way we do this so that it is
 * repeatable.  (I.e. so that your kill doesn't happen,
 * when you repeat an insert if it was escaped with \ the
 * first time you did it.  commch is the command character
 * involved, including the prompt for readline.
 */
char *
vgetline(int cnt, char *gcursor, bool *aescaped, int commch)
{
	register int c, ch;
	register char *cp;
	int x, y, iwhite, backsl=0;
	cell *iglobp;
	char cstr[2];
	int (*OO)(int) = Outchar;

	/*
	 * Clear the output state and counters
	 * for autoindent backwards motion (counts of ^D, etc.)
	 * Remember how much white space at beginning of line so
	 * as not to allow backspace over autoindent.
	 */
	*aescaped = 0;
	ogcursor = gcursor;
	flusho();
	CDCNT = 0;
	HADUP = 0;
	HADZERO = 0;
	gobbled = 0;
	iwhite = whitecnt(genbuf);
	iglobp = vglobp;

	/*
	 * Carefully avoid using vinschar in the echo area.
	 */
	if (splitw)
		Outchar = vputchar;
	else {
		Outchar = vinschar;
		vprepins();
	}
	for (;;) {
		backsl = 0;
		if (gobblebl)
			gobblebl--;
		if (cnt != 0) {
			cnt--;
			if (cnt == 0)
				goto vadone;
		}
		c = getkey();
		if (c != ATTN)
			c &= (QUOTE|TRIM);
		ch = c;
		maphopcnt = 0;
		if (vglobp == 0 && Peekkey == 0 && commch != 'r')
			while ((ch = map(c, immacs)) != c) {
				c = ch;
				if (!value(REMAP))
					break;
				if (++maphopcnt > 256)
					error(catgets(catd, 1, 234,
						"Infinite macro loop"));
			}
		if (!iglobp) {

			/*
			 * Erase-kill type processing.
			 * Only happens if we were not reading
			 * from untyped input when we started.
			 * Map users erase to ^H, kill to -1 for switch.
			 */
			if (c == tty.c_cc[VERASE])
				c = CTRL('h');
			else if (c == tty.c_cc[VKILL])
				c = -1;
			if (c == ATTN)
				goto case_ATTN;
			switch (c) {

			/*
			 * ^?		Interrupt drops you back to visual
			 *		command mode with an unread interrupt
			 *		still in the input buffer.
			 *
			 * ^\		Quit does the same as interrupt.
			 *		If you are a ex command rather than
			 *		a vi command this will drop you
			 *		back to command mode for sure.
			 */
			case QUIT:
case_ATTN:
				ungetkey(c);
				goto vadone;

			/*
			 * ^H		Backs up a character in the input.
			 *
			 * BUG:		Can't back around line boundaries.
			 *		This is hard because stuff has
			 *		already been saved for repeat.
			 */
			case CTRL('h'):
bakchar:
				cp = gcursor + skipleft(ogcursor, gcursor);
				if (cp < ogcursor) {
					if (splitw) {
						/*
						 * Backspacing over readecho
						 * prompt. Pretend delete but
						 * don't beep.
						 */
						ungetkey(c);
						goto vadone;
					}
					beep();
					continue;
				}
				goto vbackup;

			/*
			 * ^W		Back up a white/non-white word.
			 */
			case CTRL('w'):
				wdkind = 1;
				for (cp = gcursor; cp > ogcursor
						&& isspace(cp[-1]&0377); cp--)
					continue;
				for (c = wordch(cp - 1);
				    cp > ogcursor && wordof(c, cp - 1); cp--)
					continue;
				goto vbackup;

			/*
			 * users kill	Kill input on this line, back to
			 *		the autoindent.
			 */
			case -1:
				cp = ogcursor;
vbackup:
				if (cp == gcursor) {
					beep();
					continue;
				}
				endim();
				*cp = 0;
				c = cindent();
				vgotoCL(qcolumn(cursor +
					skipleft(linebuf, cursor), genbuf));
				if (doomed >= 0)
					doomed += c - cindent();
				gcursor = cp;
				continue;

			/*
			 * \		Followed by erase or kill
			 *		maps to just the erase or kill.
			 */
			case '\\':
				x = destcol, y = destline;
				putchar('\\');
				vcsync();
				c = getkey();
				if (c == tty.c_cc[VERASE]
				    || c == tty.c_cc[VKILL])
				{
					vgoto(y, x);
					if (doomed >= 0)
						doomed++;
					goto def;
				}
				ungetkey(c), c = '\\';
				backsl = 1;
				break;

			/*
			 * ^Q		Super quote following character
			 *		Only ^@ is verboten (trapped at
			 *		a lower level) and \n forces a line
			 *		split so doesn't really go in.
			 *
			 * ^V		Synonym for ^Q
			 */
			case CTRL('q'):
			case CTRL('v'):
				x = destcol, y = destline;
				putchar('^');
				vgoto(y, x);
				c = getkey();
				if (c != NL) {
					if (doomed >= 0)
						doomed++;
					goto def;
				}
				break;
			}
		}

		/*
		 * If we get a blank not in the echo area
		 * consider splitting the window in the wrapmargin.
		 */
		if (c != NL && !splitw) {
			if (c == ' ' && gobblebl) {
				gobbled = 1;
				continue;
			}
			if (value(WRAPMARGIN) &&
				(outcol >= OCOLUMNS - value(WRAPMARGIN) ||
				 (backsl && outcol == 0)) &&
				commch != 'r') {
				/*
				 * At end of word and hit wrapmargin.
				 * Move the word to next line and keep going.
				 */
				wdkind = 1;
				gappend(c);
				if (backsl)
					gappend(getkey());
				*gcursor = 0;
				/*
				 * Find end of previous word if we are past it.
				 */
				for (cp=gcursor; cp>ogcursor
						&& isspace(cp[-1]&0377); cp--)
					;
				if (outcol+(backsl?OCOLUMNS:0) - (gcursor-cp) >= OCOLUMNS - value(WRAPMARGIN)) {
					/*
					 * Find beginning of previous word.
					 */
					for (; cp>ogcursor && !isspace(cp[-1]&0377); cp--)
						;
					if (cp <= ogcursor) {
						/*
						 * There is a single word that
						 * is too long to fit.  Just
						 * let it pass, but beep for
						 * each new letter to warn
						 * the luser.
						 */
						c = *--gcursor;
						*gcursor = 0;
						beep();
						goto dontbreak;
					}
					/*
					 * Save it for next line.
					 */
					macpush(cp, 0);
					cp--;
				}
				macpush("\n", 0);
				/*
				 * Erase white space before the word.
				 */
				while (cp > ogcursor && isspace(cp[-1]&0377))
					cp--;	/* skip blank */
				gobblebl = 3;
				goto vbackup;
			}
		dontbreak:;
		}

		/*
		 * Word abbreviation mode.
		 */
		cstr[0] = c;
		if (anyabbrs && gcursor > ogcursor && !wordch(cstr) && wordch(gcursor-1)) {
				int wdtype, abno;

				cstr[1] = 0;
				wdkind = 1;
				cp = gcursor + skipleft(ogcursor, gcursor);
				for (wdtype = wordch(cp - 1);
				    cp > ogcursor && wordof(wdtype, cp - 1); cp--)
					;
				*gcursor = 0;
				for (abno=0; abbrevs[abno].mapto; abno++) {
					if (!abbrevs[abno].hadthis &&
						eq(cp, abbrevs[abno].cap)) {
						abbrevs[abno].hadthis++;
						macpush(cstr, 0);
						macpush(abbrevs[abno].mapto, 0);
						goto vbackup;
					}
				}
		}

#ifdef	BIT8
		if (c == OVERBUF)
			goto btrp;
#endif
		switch (c) {

		/*
		 * ^M		Except in repeat maps to \n.
		 */
		case CR:
			if (vglobp)
				goto def;
			c = '\n';
			/* presto chango ... */

		/*
		 * \n		Start new line.
		 */
		case NL:
			*aescaped = c;
			goto vadone;

		/*
		 * escape	End insert unless repeat and more to repeat.
		 */
		case ESCAPE:
			if (lastvgk)
				goto def;
			goto vadone;

		/*
		 * ^D		Backtab.
		 * ^T		Software forward tab.
		 *
		 *		Unless in repeat where this means these
		 *		were superquoted in.
		 */
		case CTRL('d'):
		case CTRL('t'):
			if (vglobp)
				goto def;
			/* fall into ... */

		/*
		 * ^D|QUOTE	Is a backtab (in a repeated command).
		 */
#ifndef	BIT8
		case CTRL('d') | QUOTE:
#else
btrp:
#endif
			*gcursor = 0;
			cp = vpastwh(genbuf);
			c = whitecnt(genbuf);
			if (ch == CTRL('t')) {
				/*
				 * ^t just generates new indent replacing
				 * current white space rounded up to soft
				 * tab stop increment.
				 */
				if (cp != gcursor)
					/*
					 * BUG:		Don't hack ^T except
					 *		right after initial
					 *		white space.
					 */
					continue;
				cp = genindent(iwhite = backtab(c + value(SHIFTWIDTH) + 1));
				ogcursor = cp;
				goto vbackup;
			}
			/*
			 * ^D works only if we are at the (end of) the
			 * generated autoindent.  We count the ^D for repeat
			 * purposes.
			 */
			if (c == iwhite && c != 0) {
				if (cp == gcursor) {
					iwhite = backtab(c);
					CDCNT++;
					ogcursor = cp = genindent(iwhite);
					goto vbackup;
				} else if (&cp[1] == gcursor &&
				    (*cp == '^' || *cp == '0')) {
					/*
					 * ^^D moves to margin, then back
					 * to current indent on next line.
					 *
					 * 0^D moves to margin and then
					 * stays there.
					 */
					HADZERO = *cp == '0';
					ogcursor = cp = genbuf;
					HADUP = 1 - HADZERO;
					CDCNT = 1;
					endim();
					back1();
					vputchar(' ');
					goto vbackup;
				}
			}
			if (vglobp && vglobp - iglobp >= 2 &&
			    (vglobp[-2] == '^' || vglobp[-2] == '0')
			    && gcursor == ogcursor + 1)
				goto bakchar;
			continue;

		default:
			/*
			 * Possibly discard control inputs.
			 */
			if (!vglobp && junk(c)) {
				beep();
				continue;
			}
def:
			if (!backsl) {
				/* int cnt; */
				putchar(c);
				flush();
			}
			if (gcursor > &genbuf[LBSIZE - 2])
				error(catgets(catd, 1, 235, "Line too long"));
			gappend(c & TRIM);
			vcsync();
			if (value(SHOWMATCH) && !iglobp)
				if (c == ')' || c == '}')
					lsmatch(gcursor);
			continue;
		}
	}
vadone:
	*gcursor = 0;
	if (Outchar != termchar)
		Outchar = OO;
	endim();
	return (gcursor);
}
Example #11
0
/**
 * nfnl_talk - send a request and then receive and process messages returned
 * @nfnlh: nfnetelink handler
 * @n: netlink message that contains the request
 * @peer: peer PID
 * @groups: netlink groups
 * @junk: callback called if out-of-sequence messages were received
 * @jarg: data for the junk callback
 *
 * This function is used to request an action that does not returns any
 * information. On error, a negative value is returned, errno could be
 * set appropiately. For that reason, the use of this function is DEPRECATED.
 * Please, use nfnl_query() instead.
 */
int nfnl_talk(struct nfnl_handle *nfnlh, struct nlmsghdr *n, pid_t peer,
	      unsigned groups, struct nlmsghdr *answer,
	      int (*junk)(struct sockaddr_nl *, struct nlmsghdr *n, void *),
	      void *jarg)
{
	char buf[NFNL_BUFFSIZE];
	struct sockaddr_nl nladdr;
	struct nlmsghdr *h;
	unsigned int seq;
	int status;
	struct iovec iov = {
		(void *)n, n->nlmsg_len
	};
	struct msghdr msg = {
		(void *)&nladdr, sizeof(nladdr),
		&iov, 1,
		NULL, 0,
		0
	};

	memset(&nladdr, 0, sizeof(nladdr));
	nladdr.nl_family = AF_NETLINK;
	nladdr.nl_pid = peer;
	nladdr.nl_groups = groups;

	n->nlmsg_seq = seq = ++nfnlh->seq;
	/* FIXME: why ? */
	if (!answer)
		n->nlmsg_flags |= NLM_F_ACK;

	status = sendmsg(nfnlh->fd, &msg, 0);
	if (status < 0) {
		nfnl_error("sendmsg(netlink) %s", strerror(errno));
		return -1;
	}
	iov.iov_base = buf;
	iov.iov_len = sizeof(buf);

	while (1) {
		status = recvmsg(nfnlh->fd, &msg, 0);
		if (status < 0) {
			if (errno == EINTR)
				continue;
			nfnl_error("recvmsg over-run");
			continue;
		}
		if (status == 0) {
			nfnl_error("EOF on netlink");
			return -1;
		}
		if (msg.msg_namelen != sizeof(nladdr)) {
			nfnl_error("Bad sender address len %d",
				   msg.msg_namelen);
			return -1;
		}

		for (h = (struct nlmsghdr *)buf; status >= sizeof(*h); ) {
			int len = h->nlmsg_len;
			int l = len - sizeof(*h);
			int err;

			if (l < 0 || len > status) {
				if (msg.msg_flags & MSG_TRUNC) {
					nfnl_error("Truncated message\n");
					return -1;
				}
				nfnl_error("Malformed message: len=%d\n", len);
				return -1; /* FIXME: libnetlink exits here */
			}

			if (h->nlmsg_pid != nfnlh->local.nl_pid ||
			    h->nlmsg_seq != seq) {
				if (junk) {
					err = junk(&nladdr, h, jarg);
					if (err < 0)
						return err;
				}
				goto cont;
			}

			if (h->nlmsg_type == NLMSG_ERROR) {
				struct nlmsgerr *err = NLMSG_DATA(h);
				if (l < sizeof(struct nlmsgerr))
					nfnl_error("ERROR truncated\n");
				else {
					errno = -err->error;
					if (errno == 0) {
						if (answer)
							memcpy(answer, h, h->nlmsg_len);
						return 0;
					}
					perror("NFNETLINK answers");
				}
				return err->error;
			}
			if (answer) {
				memcpy(answer, h, h->nlmsg_len);
				return 0;
			}

			nfnl_error("Unexpected reply!\n");
cont:
			status -= NLMSG_ALIGN(len);
			h = (struct nlmsghdr *)((char *)h + NLMSG_ALIGN(len));
		}
		if (msg.msg_flags & MSG_TRUNC) {
			nfnl_error("Messages truncated\n");
			continue;
		}
		if (status) {
			nfnl_error("Remnant of size %d\n", status);
			exit(1);
		}
	}
}
Example #12
0
/*
 * Processes a single man page source by using nroff to create
 * the preformatted cat page.
 */
static void
process_page(char *mandir, char *src, char *cat, enum Ziptype zipped)
{
	int src_test, cat_test;
	time_t src_mtime, cat_mtime;
	char cmd[MAXPATHLEN];
	dev_t src_dev;
	ino_t src_ino;
	const char *link_name;

	src_test = test_path(src, &src_mtime);
	if (!(src_test & (TEST_FILE|TEST_READABLE))) {
		if (!(src_test & TEST_DIR)) {
			warnx("%s/%s: unreadable", mandir, src);
			exit_code = 1;
			if (rm_junk && is_symlink(src))
				junk(mandir, src, "bogus symlink");
		}
		return;
	}
	src_dev = test_st.st_dev;
	src_ino = test_st.st_ino;
	cat_test = test_path(cat, &cat_mtime);
	if (cat_test & (TEST_FILE|TEST_READABLE)) {
		if (!force && cat_mtime >= src_mtime) {
			if (verbose) {
				fprintf(stderr, "\t%s/%s: up to date\n",
				    mandir, src);
			}
			return;
		}
	}
	/*
	 * Is the man page a link to one we've already processed?
	 */
	if ((link_name = find_hashtable(links, src_ino, src_dev)) != NULL) {
		if (verbose || pretend) {
			fprintf(stderr, "%slink %s -> %s\n",
			    verbose ? "\t" : "", cat, link_name);
		}
		if (!pretend)
			link(link_name, cat);
		return;
	}
	insert_hashtable(links, src_ino, src_dev, strdup(cat));
	if (verbose || pretend) {
		fprintf(stderr, "%sformat %s -> %s\n",
		    verbose ? "\t" : "", src, cat);
		if (pretend)
			return;
	}
	snprintf(tmp_file, sizeof tmp_file, "%s.tmp", cat);
	snprintf(cmd, sizeof cmd,
	    "%scat %s | tbl | nroff -c -T%s -man | %s > %s.tmp",
	    zipped == BZIP ? BZ2CAT_CMD : zipped == GZIP ? GZCAT_CMD : "",
	    src, nroff_device,
	    zipped == BZIP ? BZ2_CMD : zipped == GZIP ? GZ_CMD : "cat",
	    cat);
	if (system(cmd) != 0)
		err(1, "formatting pipeline");
	if (rename(tmp_file, cat) < 0)
		warn("%s", cat);
	tmp_file[0] = '\0';
}
Example #13
0
void DoFnKR(
SYMBOL *currfn,
char   simple)
{
    char n[NAMESIZE];
    SYMBOL *prevarg;       /* ptr to symbol table entry of most recent argument */
    SYMBOL *cptr;
    TAG_SYMBOL *otag ;     /* structure tag for structure argument */
    struct varid var;

    prevarg=0;
    Zsp=0;                  /* Reset stack pointer */
    undeclared=0;
    infunc=1;



    while ( !simple && cmatch(')') == 0 ) {    /* then count args */
        /* any legal name bumps arg count */
        if ( symname(n) ) {
            /* add link to argument chain */
            if ( (cptr=addloc(n,0,CINT,0,0)) )
                cptr->offset.p = prevarg ;
            prevarg = cptr ;
            ++undeclared ;
        }
        else {
            error(E_ARGNAME);
            junk();
        }
        blanks();
        /* if not closing paren, should be comma */
        if ( ch() != ')' && cmatch(',') == 0 ) {
            warning(W_EXPCOM);
        }
        if ( endst() ) break ;
    }

    Zsp = 0 ;                       /* preset stack ptr */

    while ( undeclared ) {
		char	regit=NO;
		if (amatch("register") ) regit=YES;
        /* Auto is be default in function defns, but someone might
         * try it on...
         */
		if (amatch("auto") ) warning(W_AUTO);

        otag=GetVarID(&var,STATIK);

        if (var.type==STRUCT) {
            getarg(STRUCT, otag,NO,0,0, var.zfar,NO) ;
        } else if (var.type || regit) {
			if (regit && var.type == NO ) var.type=CINT;
            getarg(var.type,NULL_TAG,NO,0,var.sign,var.zfar,NO);
        } else {
            error(E_BADARG) ;
            break ;
        }
    }
    /* Have finished K&R parsing */
    setlocvar(prevarg,currfn);
}
int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
	      unsigned groups, struct nlmsghdr *answer,
	      int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
	      void *jarg)
{
	int status;
	unsigned seq;
	struct nlmsghdr *h;
	struct sockaddr_nl nladdr;
	struct iovec iov = { (void*)n, n->nlmsg_len };
	char   buf[8192];
	struct msghdr msg = {
		(void*)&nladdr, sizeof(nladdr),
		&iov,	1,
		NULL,	0,
		0
	};

	memset(&nladdr, 0, sizeof(nladdr));
	nladdr.nl_family = AF_NETLINK;
	nladdr.nl_pid = peer;
	nladdr.nl_groups = groups;

	n->nlmsg_seq = seq = ++rtnl->seq;
	if (answer == NULL)
		n->nlmsg_flags |= NLM_F_ACK;

	status = sendmsg(rtnl->fd, &msg, 0);

	if (status < 0) {
		perror("Cannot talk to rtnetlink");
		return -1;
	}

	iov.iov_base = buf;

	while (1) {
		iov.iov_len = sizeof(buf);
		status = recvmsg(rtnl->fd, &msg, 0);

		if (status < 0) {
			if (errno == EINTR)
				continue;
			perror("OVERRUN");
			continue;
		}
		if (status == 0) {
			fprintf(stderr, "EOF on netlink\n");
			return -1;
		}
		if (msg.msg_namelen != sizeof(nladdr)) {
			fprintf(stderr, "sender address length == %d\n", msg.msg_namelen);
			exit(1);
		}
		for (h = (struct nlmsghdr*)buf; status >= sizeof(*h); ) {
			int err;
			int len = h->nlmsg_len;
			int l = len - sizeof(*h);

			if (l<0 || len>status) {
				if (msg.msg_flags & MSG_TRUNC) {
					fprintf(stderr, "Truncated message\n");
					return -1;
				}
				fprintf(stderr, "!!!malformed message: len=%d\n", len);
				exit(1);
			}

			if (nladdr.nl_pid != peer ||
			    h->nlmsg_pid != rtnl->local.nl_pid ||
			    h->nlmsg_seq != seq) {
				if (junk) {
					err = junk(&nladdr, h, jarg);
					if (err < 0)
						return err;
				}
				continue;
			}

			if (h->nlmsg_type == NLMSG_ERROR) {
				struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h);
				if (l < sizeof(struct nlmsgerr)) {
					fprintf(stderr, "ERROR truncated\n");
				} else {
					errno = -err->error;
					if (errno == 0) {
						if (answer)
							memcpy(answer, h, h->nlmsg_len);
						return 0;
					}
					perror("RTNETLINK answers");
				}
				return -1;
			}
			if (answer) {
				memcpy(answer, h, h->nlmsg_len);
				return 0;
			}

			fprintf(stderr, "Unexpected reply!!!\n");

			status -= NLMSG_ALIGN(len);
			h = (struct nlmsghdr*)((char*)h + NLMSG_ALIGN(len));
		}
		if (msg.msg_flags & MSG_TRUNC) {
			fprintf(stderr, "Message truncated\n");
			continue;
		}
		if (status) {
			fprintf(stderr, "!!!Remnant of size %d\n", status);
			exit(1);
		}
	}
}
Example #15
0
/**
 * begin a function
 * called from "parse", this routine tries to make a function out
 * of what follows
 * modified version.  p.l. woods
 */
newfunc() {
    char n[NAMESIZE];
    int idx, type;
    fexitlab = getlabel();

    if (!symname(n)) {
        error("illegal function or declaration");
        kill();
        return;
    }
    if (idx = findglb(n)) {
        if (symbol_table[idx].identity != FUNCTION)
            multidef(n);
        else if (symbol_table[idx].offset == FUNCTION)
            multidef(n);
        else
            symbol_table[idx].offset = FUNCTION;
    } else
        add_global(n, FUNCTION, CINT, FUNCTION, PUBLIC);
    if (!match("("))
        error("missing open paren");
    output_string(n);
    output_label_terminator();
    newline();
    local_table_index = NUMBER_OF_GLOBALS; //locptr = STARTLOC;
    argstk = 0;
    // ANSI style argument declaration
    if (doAnsiArguments() == 0) {
        // K&R style argument declaration
        while (!match(")")) {
            if (symname(n)) {
                if (findloc(n))
                    multidef(n);
                else {
                    add_local(n, 0, 0, argstk, AUTO);
                    argstk = argstk + INTSIZE;
                }
            } else {
                error("illegal argument name");
                junk();
            }
            blanks();
            if (!streq(line + lptr, ")")) {
                if (!match(","))
                    error("expected comma");
            }
            if (endst())
                break;
        }
        stkp = 0;
        argtop = argstk;
        while (argstk) {
            if (type = get_type()) {
                getarg(type);
                need_semicolon();
            } else {
                error("wrong number args");
                break;
            }
        }
    }
    statement(YES);
    print_label(fexitlab);
    output_label_terminator();
    newline();
    gen_modify_stack(0);
    gen_ret();
    stkp = 0;
    local_table_index = NUMBER_OF_GLOBALS; //locptr = STARTLOC;
}
Example #16
0
int primary(LVALUE *lval) {
    char    sname[NAMESIZE];
    int     num[1], k, symbol_table_idx, offset, reg;
    SYMBOL *symbol;

    lval->ptr_type = 0;  // clear pointer/array type
    lval->tagsym = 0;
    if (match ("(")) {
        k = hier1 (lval);
        needbrack (")");
        return (k);
    }
    if (amatch("sizeof", 6)) {
        needbrack("(");
        gen_immediate();
        if (amatch("int", 3)) output_number(INTSIZE);
        else if (amatch("char", 4)) output_number(1);
        else if (symname(sname)) {
            if (((symbol_table_idx = find_locale(sname)) > -1) ||
                ((symbol_table_idx = find_global(sname)) > -1)) {
                symbol = &symbol_table[symbol_table_idx];
                if (symbol->storage == LSTATIC)
                    error("sizeof local static");
                offset = symbol->offset;
                if ((symbol->type & CINT) ||
                    (symbol->identity == POINTER))
                    offset *= INTSIZE;
                else if (symbol->type == STRUCT)
                    offset *= tag_table[symbol->tagidx].size;
                output_number(offset);
            } else {
                error("sizeof undeclared variable");
                output_number(0);
            }
        } else {
            error("sizeof only on type or variable");
        }
        needbrack(")");
        newline();
        lval->symbol = 0;
        lval->indirect = 0;
        return(0);
    }
    if (symname (sname)) {
        if ((symbol_table_idx = find_locale(sname)) > -1) {
            symbol = &symbol_table[symbol_table_idx];
            reg = gen_get_locale(symbol);
            lval->symbol = symbol;
            lval->indirect = symbol->type;
            if (symbol->type == STRUCT) {
                lval->tagsym = &tag_table[symbol->tagidx];
            }
            if (symbol->identity == ARRAY ||
                (symbol->identity == VARIABLE && symbol->type == STRUCT)) {
                lval->ptr_type = symbol->type;
                return reg;
            }
            if (symbol->identity == POINTER) {
                lval->indirect = CINT;
                lval->ptr_type = symbol->type;
            }
            return FETCH | reg;
        }
        if ((symbol_table_idx = find_global(sname)) > -1) {
            symbol = &symbol_table[symbol_table_idx];
            if (symbol->identity != FUNCTION) {
                lval->symbol = symbol;
                lval->indirect = 0;
                if (symbol->type == STRUCT) {
                    lval->tagsym = &tag_table[symbol->tagidx];
                }
                if (symbol->identity != ARRAY &&
                    (symbol->identity != VARIABLE || symbol->type != STRUCT)) {
                    if (symbol->identity == POINTER) {
                        lval->ptr_type = symbol->type;
                    }
                    return FETCH | HL_REG;
                }
                gen_immediate();
                output_string(symbol->name);
                newline();
                lval->indirect = symbol->type;
                lval->ptr_type = symbol->type;
                return 0;
            }
        }
        blanks();
        if (ch() != '(')
            error("undeclared variable");
        symbol_table_idx = add_global(sname, FUNCTION, CINT, 0, PUBLIC);
        symbol = &symbol_table[symbol_table_idx];
        lval->symbol = symbol;
        lval->indirect = 0;
        return 0;
    }
    lval->symbol = 0;
    lval->indirect = 0;
    if (constant(num))
        return 0;
    else {
        error("invalid expression");
        gen_immediate();
        output_number(0);
        newline();
        junk();
        return 0;
    }
}
Example #17
0
/*
 * Get a line into genbuf after gcursor.
 * Cnt limits the number of input characters
 * accepted and is used for handling the replace
 * single character command.  Aescaped is the location
 * where we stick a termination indicator (whether we
 * ended with an ESCAPE or a newline/return.
 *
 * We do erase-kill type processing here and also
 * are careful about the way we do this so that it is
 * repeatable.  (I.e. so that your kill doesn't happen,
 * when you repeat an insert if it was escaped with \ the
 * first time you did it.
 */
char *
vgetline(int cnt, char *gcursor, bool *aescaped)
{
	register int c, ch;
	register char *cp;
	int x, y, iwhite;
	char *iglobp;
	void (*OO)() = Outchar;

	/*
	 * Clear the output state and counters
	 * for autoindent backwards motion (counts of ^D, etc.)
	 * Remember how much white space at beginning of line so
	 * as not to allow backspace over autoindent.
	 */
	*aescaped = 0;
	ogcursor = gcursor;
	flusho();
	CDCNT = 0;
	HADUP = 0;
	HADZERO = 0;
	gobbled = 0;
	iwhite = whitecnt(genbuf);
	iglobp = vglobp;

	/*
	 * Carefully avoid using vinschar in the echo area.
	 */
	if (splitw)
		Outchar = vputchar;
	else {
		Outchar = vinschar;
		vprepins();
	}
	for (;;) {
		if (gobblebl)
			gobblebl--;
		if (cnt != 0) {
			cnt--;
			if (cnt == 0)
				goto vadone;
		}
		ch = c = getkey() & (QUOTE|TRIM);
		if (!iglobp) {

			/*
			 * Erase-kill type processing.
			 * Only happens if we were not reading
			 * from untyped input when we started.
			 * Map users erase to ^H, kill to -1 for switch.
			 */
			if (c == tty.c_cc[VERASE])
				c = CTRL('h');
			else if (c == tty.c_cc[VKILL])
				c = -1;
			switch (c) {

			/*
			 * ^?		Interrupt drops you back to visual
			 *		command mode with an unread interrupt
			 *		still in the input buffer.
			 *
			 * ^\		Quit does the same as interrupt.
			 *		If you are a ex command rather than
			 *		a vi command this will drop you
			 *		back to command mode for sure.
			 */
			case ATTN:
			case QUIT:
				ungetkey(c);
				goto vadone;

			/*
			 * ^H		Backs up a character in the input.
			 *
			 * BUG:		Can't back around line boundaries.
			 *		This is hard because stuff has
			 *		already been saved for repeat.
			 */
			case CTRL('h'):
bakchar:
				cp = gcursor - 1;
				if (cp < ogcursor) {
					beep();
					continue;
				}
				goto vbackup;

			/*
			 * ^W		Back up a white/non-white word.
			 */
			case CTRL('w'):
				wdkind = 1;
				for (cp = gcursor; cp > ogcursor && isspace((int)cp[-1]); cp--)
					continue;
				for (c = wordch(cp - 1); cp > ogcursor && wordof(c, cp - 1); cp--)
					continue;
				goto vbackup;

			/*
			 * users kill	Kill input on this line, back to
			 *		the autoindent.
			 */
			case -1:
				cp = ogcursor;
vbackup:
				if (cp == gcursor) {
					beep();
					continue;
				}
				endim();
				*cp = 0;
				c = cindent();
				vgotoCL(qcolumn(cursor - 1, genbuf));
				if (doomed >= 0)
					doomed += c - cindent();
				gcursor = cp;
				continue;

			/*
			 * \		Followed by erase or kill
			 *		maps to just the erase or kill.
			 */
			case '\\':
				x = destcol, y = destline;
				ex_putchar('\\');
				vcsync();
				c = getkey();
				if (c == tty.c_cc[VERASE]
				    || c == tty.c_cc[VKILL]) {
					vgoto(y, x);
					if (doomed >= 0)
						doomed++;
					goto def;
				}
				ungetkey(c), c = '\\';
				goto noput;

			/*
			 * ^Q		Super quote following character
			 *		Only ^@ is verboten (trapped at
			 *		a lower level) and \n forces a line
			 *		split so doesn't really go in.
			 *
			 * ^V		Synonym for ^Q
			 */
			case CTRL('q'):
			case CTRL('v'):
				x = destcol, y = destline;
				ex_putchar('^');
				vgoto(y, x);
				c = getkey();
				if (c != NL) {
					if (doomed >= 0)
						doomed++;
					goto def;
				}
				break;
			}
		}

		/*
		 * If we get a blank not in the echo area
		 * consider splitting the window in the wrapmargin.
		 */
		if (c == ' ' && !splitw) {
			if (gobblebl) {
				gobbled = 1;
				continue;
			}
			if (value(WRAPMARGIN) && outcol >= WCOLS - value(WRAPMARGIN)) {
				c = NL;
				gobblebl = 2;
			}
		}
		switch (c) {

		/*
		 * ^M		Except in repeat maps to \n.
		 */
		case CR:
			if (vglobp)
				goto def;
			c = '\n';
			/* presto chango ... */

		/*
		 * \n		Start new line.
		 */
		case NL:
			*aescaped = c;
			goto vadone;

		/*
		 * escape	End insert unless repeat and more to repeat.
		 */
		case ESCAPE:
			if (vglobp && *vglobp)
				goto def;
			goto vadone;

		/*
		 * ^D		Backtab.
		 * ^T		Software forward tab.
		 *
		 *		Unless in repeat where this means these
		 *		were superquoted in.
		 */
		case CTRL('d'):
		case CTRL('t'):
			if (vglobp)
				goto def;
			/* fall into ... */

		/*
		 * ^D|QUOTE	Is a backtab (in a repeated command).
		 */
		case CTRL('d') | QUOTE:
			*gcursor = 0;
			cp = vpastwh(genbuf);
			c = whitecnt(genbuf);
			if (ch == CTRL('t')) {
				/*
				 * ^t just generates new indent replacing
				 * current white space rounded up to soft
				 * tab stop increment.
				 */
				if (cp != gcursor)
					/*
					 * BUG:		Don't hack ^T except
					 *		right after initial
					 *		white space.
					 */
					continue;
				cp = genindent(iwhite = backtab(c + value(SHIFTWIDTH) + 1));
				ogcursor = cp;
				goto vbackup;
			}
			/*
			 * ^D works only if we are at the (end of) the
			 * generated autoindent.  We count the ^D for repeat
			 * purposes.
			 */
			if (c == iwhite && c != 0) {
				if (cp == gcursor) {
					iwhite = backtab(c);
					CDCNT++;
					ogcursor = cp = genindent(iwhite);
					goto vbackup;
				} else if (&cp[1] == gcursor &&
				    (*cp == '^' || *cp == '0')) {
					/*
					 * ^^D moves to margin, then back
					 * to current indent on next line.
					 *
					 * 0^D moves to margin and then
					 * stays there.
					 */
					HADZERO = *cp == '0';
					ogcursor = cp = genbuf;
					HADUP = 1 - HADZERO;
					CDCNT = 1;
					endim();
					back1();
					vputc(' ');
					goto vbackup;
				}
			}
			if (vglobp && vglobp - iglobp >= 2 &&
			    (vglobp[-2] == '^' || vglobp[-2] == '0')
			    && gcursor == ogcursor + 1)
				goto bakchar;
			continue;

		default:
			/*
			 * Possibly discard control inputs.
			 */
			if (!vglobp && junk(c)) {
				beep();
				continue;
			}
def:
			ex_putchar(c);
noput:
			if (gcursor > &genbuf[LBSIZE - 2])
				error("Line too long");
			*gcursor++ = c & TRIM;
			vcsync();
#ifdef LISP
			if (value(SHOWMATCH) && !iglobp)
				if (c == ')' || c == '}')
					lsmatch(gcursor);
#endif
			continue;
		}
	}
vadone:
	*gcursor = 0;
	Outchar = OO;
	endim();
	return (gcursor);
}
Example #18
0
void foo()
{
  junk( &x);
//Zortech Error: '::' or '(' expected after class 'x'
//Borland raises no errors
}
Example #19
0
 ~LockFreeQueue() {
     NodeIterator junk(*this);
     // release everything in the queue in ~NodeIterator
 }
Example #20
0
primary (lvalue_t *lval)
{
        char    sname[NAMESIZE];
        int     num[1], k, symbol_table_idx, offset, reg;
        symbol_t *symbol;

        lval->ptr_type = 0;  /* clear pointer/array type */
        if (match ("(")) {
                k = hier1 (lval);
                needbrack (")");
                return (k);
        }
        if (amatch("sizeof", 6)) {
                needbrack("(");
                gen_immediate_c();
                if (amatch("int", 3)) output_number(INTSIZE);
                else if (amatch("char", 4)) output_number(1);
                else if (symname(sname)) {
                        if ((symbol_table_idx = findloc(sname)) ||
                                (symbol_table_idx = findglb(sname))) {
                                symbol = &symbol_table[symbol_table_idx];
                                if (symbol->storage == LSTATIC)
                                        error("sizeof local static");
                                offset = symbol->count;
                                if ((symbol->type & CINT) ||
                                        (symbol->identity == POINTER))
                                        offset *= INTSIZE;
                                output_number(offset);
                        } else {
                                error("sizeof undeclared variable");
                                output_number(0);
                        }
                } else {
                        error("sizeof only on simple type or variable");
                }
                needbrack(")");
                newline();
                lval->symbol = 0;
                lval->indirect = 0;
                return(0);
        }
        if (symname (sname)) {
                if (symbol_table_idx = findloc (sname)) {
                        symbol = &symbol_table[symbol_table_idx];
                        reg = gen_get_location (symbol);
                        lval->symbol = symbol;
                        lval->indirect =  symbol->type;
                        if (symbol->identity == ARRAY) {
                                //lval->ptr_type = symbol->type;
                                lval->ptr_type = 0;
                                return 0;
                        }
                        if (symbol->identity == POINTER) {
                                lval->indirect = UINT;
                                lval->ptr_type = symbol->type;
                        }
                        return reg;
                }
                if (symbol_table_idx = findglb (sname)) {
                        symbol = &symbol_table[symbol_table_idx];
                        lval->symbol = symbol;
                        switch (symbol->identity) {
                        case ARRAY:
                                gen_immediate_a ();
                                output_string (symbol->name);
                                newline ();
                                /* Fall through */
                        case FUNCTION:
                                lval->indirect = lval->ptr_type = symbol_table[symbol_table_idx].type;
                                lval->ptr_type = 0;
                                return 0;
                        default:
                                lval->indirect = 0;
                                if (symbol->identity == POINTER) {
                                        lval->ptr_type = symbol->type;
                                }
                                return 1;
                        }
                }
                blanks ();
                if (ch() != '(')
                        error("undeclared variable");
                symbol_table_idx = add_global (sname, FUNCTION, CINT, 0, PUBLIC, 1);
                symbol = &symbol_table[symbol_table_idx];
                lval->symbol = symbol;
                lval->indirect = 0;
                return 0;
        }
        if (constant (num)) {
                lval->symbol = 0;
                lval->indirect = 0;
                return 0;
        }
        error ("invalid expression");
        gen_immediate_c ();
        output_number(0);
        newline ();
        junk ();
        return 0;
}
Example #21
0
/*
 * Scan the man section directory for pages and process each one,
 * then check for junk in the corresponding cat section.
 */
static void
scan_section(char *mandir, char *section, char *cat_section)
{
	struct dirent **entries;
	char **expected = NULL;
	int npages;
	int nexpected = 0;
	int i, e;
	enum Ziptype zipped;
	char *page_name;
	char page_path[MAXPATHLEN];
	char cat_path[MAXPATHLEN];
	char zip_path[MAXPATHLEN];

	/*
	 * scan the man section directory for pages
	 */
	npages = scandir(section, &entries, NULL, alphasort);
	if (npages < 0) {
		warn("%s/%s", mandir, section);
		exit_code = 1;
		return;
	}
	if (verbose || rm_junk) {
		/*
		 * Maintain a list of all cat pages that should exist,
		 * corresponding to existing man pages.
		 */
		expected = (char **) calloc(npages, sizeof(char *));
	}
	for (i = 0; i < npages; free(entries[i++])) {
		page_name = entries[i]->d_name;
		snprintf(page_path, sizeof page_path, "%s/%s", section,
		    page_name);
		if (!is_manpage_name(page_name)) {
			if (!(test_path(page_path, NULL) & TEST_DIR)) {
				junk(mandir, page_path,
				    "invalid man page name");
			}
			continue;
		}
		zipped = is_bzipped(page_name) ? BZIP :
		    is_gzipped(page_name) ? GZIP : NONE;
		if (zipped != NONE) {
			snprintf(cat_path, sizeof cat_path, "%s/%s",
			    cat_section, page_name);
			if (expected != NULL)
				expected[nexpected++] = strdup(page_name);
			process_page(mandir, page_path, cat_path, zipped);
		} else {
			/*
			 * We've got an uncompressed man page,
			 * check to see if there's a (preferred)
			 * compressed one.
			 */
			snprintf(zip_path, sizeof zip_path, "%s%s",
			    page_path, GZ_EXT);
			if (test_path(zip_path, NULL) != 0) {
				junk(mandir, page_path,
				    "man page unused due to existing " GZ_EXT);
			} else {
				if (verbose) {
					fprintf(stderr,
						"warning, %s is uncompressed\n",
						page_path);
				}
				snprintf(cat_path, sizeof cat_path, "%s/%s",
				    cat_section, page_name);
				if (expected != NULL) {
					asprintf(&expected[nexpected++],
					    "%s", page_name);
				}
				process_page(mandir, page_path, cat_path, NONE);
			}
		}
	}
	free(entries);
	if (expected == NULL)
	    return;
	/*
	 * scan cat sections for junk
	 */
	npages = scandir(cat_section, &entries, NULL, alphasort);
	e = 0;
	for (i = 0; i < npages; free(entries[i++])) {
		const char *junk_reason;
		int cmp = 1;

		page_name = entries[i]->d_name;
		if (strcmp(page_name, ".") == 0 || strcmp(page_name, "..") == 0)
			continue;
		/*
		 * Keep the index into the expected cat page list
		 * ahead of the name we've found.
		 */
		while (e < nexpected &&
		    (cmp = strcmp(page_name, expected[e])) > 0)
			free(expected[e++]);
		if (cmp == 0)
			continue;
		/* we have an unexpected page */
		snprintf(cat_path, sizeof cat_path, "%s/%s", cat_section,
		    page_name);
		if (!is_manpage_name(page_name)) {
			if (test_path(cat_path, NULL) & TEST_DIR)
				continue;
			junk_reason = "invalid cat page name";
		} else if (!is_gzipped(page_name) && e + 1 < nexpected &&
		    strncmp(page_name, expected[e + 1], strlen(page_name)) == 0 &&
		    strlen(expected[e + 1]) == strlen(page_name) + 3) {
			junk_reason = "cat page unused due to existing " GZ_EXT;
		} else
			junk_reason = "cat page without man page";
		junk(mandir, cat_path, junk_reason);
	}
	free(entries);
	while (e < nexpected)
		free(expected[e++]);
	free(expected);
}
double SlaveBoundaryVertices::loop_over_mesh( Mesh* mesh, 
                                              MeshDomain* domain, 
                                              const Settings* settings,
                                              MsqError& err )
{
  if (settings->get_slaved_ho_node_mode() != Settings::SLAVE_CALCULATED) {
    MSQ_SETERR(err)("Request to calculate higher-order node slaved status "
                    "when Settings::get_get_slaved_ho_node_mode() "
                    "!= SLAVE_CALCUALTED", MsqError::INVALID_STATE);
    return 0.0;
  }
  
    // If user said that we should treat fixed vertices as the
    // boundary, but specified that fixed vertices are defined
    // by the dimension of their geometric domain, then just
    // do distance from the geometric domain.
  int dim = this->domainDoF;
  if (dim >= 4 && settings->get_fixed_vertex_mode() != Settings::FIXED_FLAG)
    dim = settings->get_fixed_vertex_mode();
  
    // Create a map to contain vertex depth.  Intiliaze all to 
    // elemDepth+1.
  std::vector<Mesh::VertexHandle> vertices;
  mesh->get_all_vertices( vertices, err );  MSQ_ERRZERO(err);
  if (vertices.empty())
    return 0.0;
  std::sort( vertices.begin(), vertices.end() );
  std::vector<unsigned short> depth( vertices.size(), elemDepth+1 );
  BoolArr fixed( vertices.size() );
  mesh->vertices_get_fixed_flag( &vertices[0], fixed.mArray, vertices.size(), err );
  MSQ_ERRZERO(err);
  
    // Initialize map with boundary vertices.
  if (dim >= 4) {
    for(size_t i = 0; i < vertices.size(); ++i)
      if (fixed[i])
        depth[i] = 0;
  }
  else {
    if (!domain) {
      MSQ_SETERR(err)("Request to calculate higher-order node slaved status "
                      "by distance from bounding domain without a domain.",
                      MsqError::INVALID_STATE);
      return 0.0;
    }
    
    std::vector<unsigned short> dof( vertices.size() );
    domain->domain_DoF( &vertices[0], &dof[0], vertices.size(), err ); MSQ_ERRZERO(err);
    for (size_t i = 0; i < vertices.size(); ++i)
      if (dof[i] <= dim)
        depth[i] = 0;
  }
  
    // Now iterate over elements repeatedly until we've found all of the 
    // elements near the boundary.  This could be done much more efficiently
    // using vertex-to-element adjacencies, but it is to common for 
    // applications not to implement that unless doing relaxation smoothing.
    // This is O(elemDepth * elements.size() * ln(vertices.size()));
  std::vector<Mesh::ElementHandle> elements;
  std::vector<Mesh::ElementHandle>::const_iterator j, k;
  std::vector<Mesh::VertexHandle> conn;
  std::vector<size_t> junk(2);
  mesh->get_all_elements( elements, err );  MSQ_ERRZERO(err);
  if (elements.empty())
    return 0.0;
  bool some_changed;
  do {
    some_changed = false;
    for (j = elements.begin(); j != elements.end(); ++j) {
      conn.clear(); junk.clear();
      mesh->elements_get_attached_vertices( &*j, 1, conn, junk, err ); MSQ_ERRZERO(err);
      unsigned short elem_depth = elemDepth+1;
      for (k = conn.begin(); k != conn.end(); ++k) {
        size_t i = std::lower_bound( vertices.begin(), vertices.end(), *k ) - vertices.begin();
        if (i == vertices.size()) {
          MSQ_SETERR(err)("Invalid vertex handle in element connectivity list.", 
                          MsqError::INVALID_MESH);
          return 0.0;
        }
        if (depth[i] < elem_depth)
          elem_depth = depth[i];
      }
      if (elem_depth == elemDepth+1)
        continue;
      
      ++elem_depth;
      for (k = conn.begin(); k != conn.end(); ++k) {
        size_t i = std::lower_bound( vertices.begin(), vertices.end(), *k ) - vertices.begin();
        if (depth[i] > elem_depth) {
          depth[i] = elem_depth;
          some_changed = true;
        }
      }
    } // for(elements)
  } while (some_changed);
  
    // Now remove any corner vertices from the slaved set
  std::vector<Mesh::VertexHandle>::iterator p;
  std::vector<EntityTopology> types(elements.size());
  mesh->elements_get_topologies( &elements[0], &types[0], elements.size(), err ); MSQ_ERRZERO(err);
  for (j = elements.begin(); j != elements.end(); ++j) {
    const unsigned corners = TopologyInfo::corners(types[j-elements.begin()]);
    conn.clear(); junk.clear();
    mesh->elements_get_attached_vertices( &*j, 1, conn, junk, err ); MSQ_ERRZERO(err);
    for (unsigned i = 0; i < corners; ++i) {
      p = std::lower_bound( vertices.begin(), vertices.end(), conn[i] );
      depth[p-vertices.begin()] = 0;
    }
  }
  
    // Now mark all vertices *not* within specified depth as slave vertices.
  std::vector<unsigned char> bytes( vertices.size() );
  mesh->vertices_get_byte( &vertices[0], &bytes[0], vertices.size(), err ); MSQ_ERRZERO(err);
  for (size_t i = 0; i < vertices.size(); ++i) {
    if (depth[i] <= elemDepth || fixed[i])
      bytes[i] &= ~MsqVertex::MSQ_DEPENDENT;
    else
      bytes[i] |= MsqVertex::MSQ_DEPENDENT;
  }
  
  mesh->vertices_set_byte( &vertices[0], &bytes[0], vertices.size(), err ); MSQ_ERRZERO(err);
  return 0.0;
}