libtt: Further coverity fixes

cde/lib/tt/lib/api/c/api_pattern.C

@@ -1540,7 +1540,11 @@ _tt_session_types_load(const char *filename)
 	if (-1==(fd=open(filename, O_RDONLY))) {
 		return TT_ERR_FILE;
 	}
-	fcntl(fd, F_SETFD, 1);	/* Close on exec */
+	/* Close on exec */
+	if (-1==fcntl(fd, F_SETFD, 1)) {
+		close(fd);
+		return TT_ERR_FILE;
+	}
 
 	if (-1==fstat(fd, &typefile_stat)) {
 		close(fd);

cde/lib/tt/lib/mp/mp_auth.C

@@ -173,6 +173,7 @@ read_auth_entries(FILE *fp, _tt_AuthFileEntryList **headp)
 	    _tt_syslog(0, LOG_ERR,
 		       "%s:  memory error.  New entry not written.\n",
                        funcname);
+	    free(entry);
 	    return TT_ERR_NOMEM;
 	}
 

cde/lib/tt/lib/mp/mp_stream_socket.C

@@ -88,6 +88,8 @@ _Tt_stream_socket()
 	_sock = -1;
 	_hostaddr.sin_port = 0;
 	_hostaddr.sin_family = 0;
+        memset(&_hostaddr.sin_addr, 0, sizeof(struct in_addr));
+
 }
 
 _Tt_stream_socket::
@@ -557,7 +559,7 @@ recv(char *msg, int msglen)
 {
 	int rval;
 	
-	if (_msgsock == -1 && accept() == -1) {
+	if (_msgsock == -1 || accept() == -1) {
 		return(-1);
 	}
 	

cde/lib/tt/lib/tttk/tttk.C

@@ -271,6 +271,7 @@ ttdt_session_join(
 	if (join) {
 		status = tt_session_join( sessid );
 		if (status != TT_OK) {
+			free(pats);
 			return (Tt_pattern *)tt_error_pointer( status );
 		}
 	}

cde/lib/tt/lib/util/tt_audit.C

@@ -533,6 +533,7 @@ entry(const char *argskey, _Tt_entry_pt func, ...)
 					_tt_syslog(0, LOG_ERR,
 						   "_Tt_audit::entry(): ARG_INTEGER: func==%s",
 						   _tt_enumname(func));
+					va_end(ap);
 					return TT_ERR_INTERNAL;
 				}
 			} break;

cde/lib/tt/lib/util/tt_log.C

@@ -76,7 +76,10 @@ _tt_log_error(int errno, int line, char *file, char *msg)
 	if (fl == (FILE *)0) {
 		return;
 	}
-	fcntl(fileno(fl), F_SETFD, 1);	/* Close on exec */
+	/* Close on exec */
+	if(fcntl(fileno(fl), F_SETFD, 1) == -1) {
+		return;
+	}
 
 	time(&clock);
 	timestamp = _XCtime(&clock, ctime_buf);

cde/lib/tt/lib/util/tt_trace.h

@@ -102,7 +102,7 @@ class _Tt_trace_stream;
 class _Tt_trace : public _Tt_allocated {
     public:
 	// suppresses "used but not set" warnings
-				_Tt_trace() {};
+				_Tt_trace() : _funcname(TT_X_SESSION), _tracing(0) {};
 	// Initializes tracing (if necessary)
 	static int		init(
 					int even_if_no_envariable = 0