/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by the University of California, Berkeley. The name of the * University may not be used to endorse or promote products derived * from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint static char sccsid[] = "@(#)startdaemon.c 5.5 (Berkeley) 05/28/90"; #endif /* not lint */ /* * Tell the printer daemon that there are new files in the spool directory. */ #include #include #include #include #include "lp.local.h" #include "pathnames.h" startdaemon(printer) char *printer; { struct sockaddr_un sun; register int s, n; char buf[BUFSIZ]; 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, &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 perr(msg) char *msg; { extern int errno; extern char *name; char *strerror(); (void)printf("%s: %s: %s\n", name, msg, strerror(errno)); }