From 031ec0f258f152c1e20905b381aa7f5974db1f3d Mon Sep 17 00:00:00 2001
From: "Robert S. French" <rfrench@mit.edu>
Date: Tue, 17 May 1988 17:21:01 +0000
Subject: All sorts of changes for ver 0.2

---
 lib/ZLocations.c | 173 +++++++++++++++++++++++++++++++------------------------
 1 file changed, 97 insertions(+), 76 deletions(-)

(limited to 'lib/ZLocations.c')

diff --git a/lib/ZLocations.c b/lib/ZLocations.c
index 7baf4d3..ebb5081 100644
--- a/lib/ZLocations.c
+++ b/lib/ZLocations.c
@@ -29,97 +29,118 @@ static char rcsid_ZLocations_c[] = "$Header$";
 uid_t getuid();
 
 Code_t ZSetLocation(exposure)
-	char *exposure;
+    char *exposure;
 {
-	return (Z_SendLocation(LOGIN_CLASS,exposure,ZAUTH,
-			       "$sender logged in to $1 on $3 at $2"));
+    return (Z_SendLocation(LOGIN_CLASS, exposure, ZAUTH, 
+			   "$sender logged in to $1 on $3 at $2"));
 }
 
 Code_t ZUnsetLocation()
 {
-	return (Z_SendLocation(LOGIN_CLASS,LOGIN_USER_LOGOUT,ZNOAUTH,
-			       "$sender logged out of $1 on $3 at $2"));
+    return (Z_SendLocation(LOGIN_CLASS, LOGIN_USER_LOGOUT, ZNOAUTH, 
+			   "$sender logged out of $1 on $3 at $2"));
 }
 
 Code_t ZFlushMyLocations()
 {
-	return (Z_SendLocation(LOGIN_CLASS,LOGIN_USER_FLUSH,ZAUTH,""));
+    return (Z_SendLocation(LOGIN_CLASS, LOGIN_USER_FLUSH, ZAUTH, ""));
 }
 
-Z_SendLocation(class,opcode,auth,format)
-	char *class;
-	char *opcode;
-	int (*auth)();
-	char *format;
+Z_SendLocation(class, opcode, auth, format)
+    char *class;
+    char *opcode;
+    int (*auth)();
+    char *format;
 {
-	char *ttyname(),*ctime();
-
-	int retval;
-	long ourtime;
-	ZNotice_t notice,retnotice;
-	ZPacket_t buffer;
-	char *bptr[3],host[MAXHOSTNAMELEN],mytty[100];
-	struct hostent *hent;
-
-	notice.z_kind = ACKED;
-	notice.z_port = 0;
-	notice.z_class = class;
-	notice.z_class_inst = ZGetSender();
-	notice.z_opcode = opcode;
-	notice.z_sender = 0;
-	notice.z_recipient = "";
-	notice.z_default_format = format;
-
-	if (gethostname(host,MAXHOSTNAMELEN) < 0)
-		return (errno);
-
-	hent = gethostbyname(host);
-	if (!hent)
-		bptr[0] = "unknown";
-	else {
-		(void) strcpy(host,hent->h_name);
-		bptr[0] = host;
-	} 
-
-	ourtime = time((long *)0);
-	bptr[1] = ctime(&ourtime);
-	bptr[1][strlen(bptr[1])-1] = '\0';
-
-	(void) strcpy(mytty,ttyname(0));
-	bptr[2] = rindex(mytty,'/');
+    char *ttyname(), *ctime();
+
+    int retval;
+    long ourtime;
+    ZNotice_t notice, retnotice;
+    char *bptr[3], host[MAXHOSTNAMELEN], mytty[MAXHOSTNAMELEN];
+    char *display;
+    struct hostent *hent;
+
+    notice.z_kind = ACKED;
+    notice.z_port = 0;
+    notice.z_class = class;
+    notice.z_class_inst = ZGetSender();
+    notice.z_opcode = opcode;
+    notice.z_sender = 0;
+    notice.z_recipient = "";
+    notice.z_num_other_fields = 0;
+    notice.z_default_format = format;
+
+    if (gethostname(host, MAXHOSTNAMELEN) < 0)
+	return (errno);
+
+    hent = gethostbyname(host);
+    if (!hent)
+	bptr[0] = "unknown";
+    else {
+	(void) strcpy(host, hent->h_name);
+	bptr[0] = host;
+    } 
+
+    ourtime = time((long *)0);
+    bptr[1] = ctime(&ourtime);
+    bptr[1][strlen(bptr[1])-1] = '\0';
+
+    if ((display = (char *)getenv("DISPLAY")) && *display) {
+	strcpy(mytty, display);
+	bptr[2] = mytty;
+    }
+    else {
+	(void) strcpy(mytty, ttyname(0));
+	bptr[2] = rindex(mytty, '/');
 	if (bptr[2])
-		bptr[2]++;
+	    bptr[2]++;
 	else
-		bptr[2] = mytty;
+	    bptr[2] = mytty;
+    }
 	
-	if ((retval = ZSendList(&notice,bptr,3,auth)) != ZERR_NONE)
-		return (retval);
-
-	if ((retval = ZIfNotice(buffer,sizeof buffer,&retnotice,
-				(struct sockaddr_in *)0,
-			        ZCompareUIDPred,(char *)&notice.z_uid)) !=
-	    ZERR_NONE)
-		return (retval);
-
-	if (retnotice.z_kind == SERVNAK) {
-		if (!retnotice.z_message_len)
-			return (ZERR_SERVNAK);
-		if (!strcmp(retnotice.z_message,ZSRVACK_NOTSENT))
-			return (ZERR_AUTHFAIL);
-		if (!strcmp(retnotice.z_message,ZSRVACK_FAIL))
-			return (ZERR_LOGINFAIL);
-		return (ZERR_SERVNAK);
-	} 
+    if ((retval = ZSendList(&notice, bptr, 3, auth)) != ZERR_NONE)
+	return (retval);
+
+    if ((retval = ZIfNotice(&retnotice, (struct sockaddr_in *)0, 
+			    ZCompareUIDPred, (char *)&notice.z_uid)) !=
+	ZERR_NONE)
+	return (retval);
+
+    if (retnotice.z_kind == SERVNAK) {
+	if (!retnotice.z_message_len) {
+	    ZFreeNotice(&retnotice);
+	    return (ZERR_SERVNAK);
+	}
+	if (!strcmp(retnotice.z_message, ZSRVACK_NOTSENT)) {
+	    ZFreeNotice(&retnotice);
+	    return (ZERR_AUTHFAIL);
+	}
+	if (!strcmp(retnotice.z_message, ZSRVACK_FAIL)) {
+	    ZFreeNotice(&retnotice);
+	    return (ZERR_LOGINFAIL);
+	}
+	ZFreeNotice(&retnotice);
+	return (ZERR_SERVNAK);
+    } 
 	
-	if (retnotice.z_kind != SERVACK)
-		return (ZERR_INTERNAL);
-
-	if (!retnotice.z_message_len)
-		return (ZERR_INTERNAL);
-
-	if (strcmp(retnotice.z_message,ZSRVACK_SENT) &&
-	    strcmp(retnotice.z_message,ZSRVACK_NOTSENT))
-		return (ZERR_INTERNAL);
+    if (retnotice.z_kind != SERVACK) {
+	ZFreeNotice(&retnotice);
+	return (ZERR_INTERNAL);
+    }
+
+    if (!retnotice.z_message_len) {
+	ZFreeNotice(&retnotice);
+	return (ZERR_INTERNAL);
+    }
+
+    if (strcmp(retnotice.z_message, ZSRVACK_SENT) &&
+	strcmp(retnotice.z_message, ZSRVACK_NOTSENT)) {
+	ZFreeNotice(&retnotice);
+	return (ZERR_INTERNAL);
+    }
+
+    ZFreeNotice(&retnotice);
 	
-	return (ZERR_NONE);
+    return (ZERR_NONE);
 }
-- 
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