1 /* $NetBSD: ctrace.c,v 1.13 2002/06/26 18:14:02 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)ctrace.c 8.2 (Berkeley) 10/5/93"; 40 #else 41 __RCSID("$NetBSD: ctrace.c,v 1.13 2002/06/26 18:14:02 christos Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #ifdef DEBUG 46 #include <stdarg.h> 47 #include <stdio.h> 48 49 #include <sys/time.h> 50 #include <string.h> 51 #include <stdlib.h> 52 53 #include "curses.h" 54 #include "curses_private.h" 55 56 #ifndef TFILE 57 #define TFILE "__curses.out" 58 #endif 59 60 static FILE *tracefp; /* Curses debugging file descriptor. */ 61 62 void 63 __CTRACE(const char *fmt,...) 64 { 65 struct timeval tv; 66 static int seencr = 1; 67 va_list ap; 68 69 if (tracefp == (void *)~0) 70 return; 71 if (tracefp == NULL) { 72 char *tf = getenv("CURSES_TRACE_FILE"); 73 tracefp = fopen(tf ? tf : TFILE, "w"); 74 } 75 if (tracefp == NULL) { 76 tracefp = (void *)~0; 77 return; 78 } 79 gettimeofday(&tv, NULL); 80 if (seencr) { 81 gettimeofday(&tv, NULL); 82 (void) fprintf(tracefp, "%lu.%06lu: ", tv.tv_sec, tv.tv_usec); 83 } 84 va_start(ap, fmt); 85 (void) vfprintf(tracefp, fmt, ap); 86 seencr = (strchr(fmt, '\n') != NULL); 87 va_end(ap); 88 (void) fflush(tracefp); 89 } 90 #else 91 /* this kills the empty translation unit message from lint... */ 92 void 93 __cursesi_make_lint_shut_up_if_debug_not_defined(void); 94 95 void 96 __cursesi_make_lint_shut_up_if_debug_not_defined(void) 97 { 98 return; 99 } 100 #endif 101