BSD 4_4_Lite1 release

[unix-history] / usr / src / usr.sbin / lpr / common_source / startdaemon.c

diff --git a/usr/src/usr.sbin/lpr/common_source/startdaemon.c b/usr/src/usr.sbin/lpr/common_source/startdaemon.c
index cbac415..237769e 100644 (file)
--- a/usr/src/usr.sbin/lpr/common_source/startdaemon.c
+++ b/usr/src/usr.sbin/lpr/common_source/startdaemon.c
@@ -1,28 +1,108 @@
-/*     startdaemon.c   4.2     83/05/13        */

 /*
 /*

- * Tell the printer daemon that there are new files in the spool directory.
+ * 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 "lp.h"

+#include "pathnames.h"
+
+static void perr __P((char *));
+
+/*
+ * Tell the printer daemon that there are new files in the spool directory.
+ */

 
 

-startdaemon()
+int
+startdaemon(printer)
+       char *printer;

 {
 {

-       register int rem, i, err = 0;
+       struct sockaddr_un un;
+       register int s, n;

        char buf[BUFSIZ];
 
        char buf[BUFSIZ];
 

-       rem = getport();
-       if (rem < 0)
+       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);
                return(0);

+       }

        (void) sprintf(buf, "\1%s\n", printer);
        (void) sprintf(buf, "\1%s\n", printer);

-       i = strlen(buf);
-       if (write(rem, buf, i) != i) {
-               (void) close(rem);
+       n = strlen(buf);
+       if (write(s, buf, n) != n) {
+               perr("write");
+               (void) close(s);

                return(0);
        }
                return(0);
        }

-       while ((i = read(rem, buf, sizeof(buf))) > 0) {
-               (void) fwrite(buf, 1, i, stdout);
-               err++;
+       if (read(s, buf, 1) == 1) {
+               if (buf[0] == '\0') {           /* everything is OK */
+                       (void) close(s);
+                       return(1);
+               }
+               putchar(buf[0]);

        }
        }

-       (void) close(rem);
-       return(i == 0 && err == 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));

 }
 }