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- /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)startdaemon.c 5.7 (Berkeley) 3/2/91";
- #endif /* not lint */
-
- /*
- * Tell the printer daemon that there are new files in the spool directory.
- */
-
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <sys/un.h>
- #include <stdio.h>
- #include "lp.local.h"
- #include "pathnames.h"
-
- startdaemon(printer)
- char *printer;
- {
- struct sockaddr_un sun;
- register int s, n;
- char buf[BUFSIZ];
- static void perr();
-
- s = socket(AF_UNIX, SOCK_STREAM, 0);
- if (s < 0) {
- perr("socket");
- return(0);
- }
- sun.sun_family = AF_UNIX;
- strcpy(sun.sun_path, _PATH_SOCKETNAME);
- if (connect(s, (struct sockaddr *)&sun, strlen(sun.sun_path) + 2) < 0) {
- perr("connect");
- (void) close(s);
- return(0);
- }
- (void) sprintf(buf, "\1%s\n", printer);
- n = strlen(buf);
- if (write(s, buf, n) != n) {
- perr("write");
- (void) close(s);
- return(0);
- }
- if (read(s, buf, 1) == 1) {
- if (buf[0] == '\0') { /* everything is OK */
- (void) close(s);
- return(1);
- }
- putchar(buf[0]);
- }
- while ((n = read(s, buf, sizeof(buf))) > 0)
- fwrite(buf, 1, n, stdout);
- (void) close(s);
- return(0);
- }
-
- static void
- perr(msg)
- char *msg;
- {
- extern int errno;
- extern char *name;
- char *strerror();
-
- (void)printf("%s: %s: %s\n", name, msg, strerror(errno));
- }
-