BSD 4.4 Lite usr.sbin Sources

1 files changed, 108 insertions, 0 deletions

diff --git a/usr.sbin/lpr/common_source/startdaemon.c b/usr.sbin/lpr/common_source/startdaemon.c
new file mode 100644
index 0000000..237769e
--- /dev/null
+++ b/usr.sbin/lpr/common_source/startdaemon.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 1983, 1993, 1994
+ *	The 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	8.2 (Berkeley) 4/17/94";
+#endif /* not lint */
+
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <dirent.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include "lp.h"
+#include "pathnames.h"
+
+static void perr __P((char *));
+
+/*
+ * Tell the printer daemon that there are new files in the spool directory.
+ */
+
+int
+startdaemon(printer)
+	char *printer;
+{
+	struct sockaddr_un un;
+	register int s, n;
+	char buf[BUFSIZ];
+
+	s = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (s < 0) {
+		perr("socket");
+		return(0);
+	}
+	memset(&un, 0, sizeof(un));
+	un.sun_family = AF_UNIX;
+	strcpy(un.sun_path, _PATH_SOCKETNAME);
+#ifndef SUN_LEN
+#define SUN_LEN(unp) (strlen((unp)->sun_path) + 2)
+#endif
+	if (connect(s, (struct sockaddr *)&un, SUN_LEN(&un)) < 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 char *name;
+
+	(void)printf("%s: %s: %s\n", name, msg, strerror(errno));
+}