1 /* $NetBSD: ctrace.c,v 1.14 2003/08/07 16:44:20 agc 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)ctrace.c 8.2 (Berkeley) 10/5/93"; 36 #else 37 __RCSID("$NetBSD: ctrace.c,v 1.14 2003/08/07 16:44:20 agc Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #ifdef DEBUG 42 #include <stdarg.h> 43 #include <stdio.h> 44 45 #include <sys/time.h> 46 #include <string.h> 47 #include <stdlib.h> 48 49 #include "curses.h" 50 #include "curses_private.h" 51 52 #ifndef TFILE 53 #define TFILE "__curses.out" 54 #endif 55 56 static FILE *tracefp; /* Curses debugging file descriptor. */ 57 58 void 59 __CTRACE(const char *fmt,...) 60 { 61 struct timeval tv; 62 static int seencr = 1; 63 va_list ap; 64 65 if (tracefp == (void *)~0) 66 return; 67 if (tracefp == NULL) { 68 char *tf = getenv("CURSES_TRACE_FILE"); 69 tracefp = fopen(tf ? tf : TFILE, "w"); 70 } 71 if (tracefp == NULL) { 72 tracefp = (void *)~0; 73 return; 74 } 75 gettimeofday(&tv, NULL); 76 if (seencr) { 77 gettimeofday(&tv, NULL); 78 (void) fprintf(tracefp, "%lu.%06lu: ", tv.tv_sec, tv.tv_usec); 79 } 80 va_start(ap, fmt); 81 (void) vfprintf(tracefp, fmt, ap); 82 seencr = (strchr(fmt, '\n') != NULL); 83 va_end(ap); 84 (void) fflush(tracefp); 85 } 86 #else 87 /* this kills the empty translation unit message from lint... */ 88 void 89 __cursesi_make_lint_shut_up_if_debug_not_defined(void); 90 91 void 92 __cursesi_make_lint_shut_up_if_debug_not_defined(void) 93 { 94 return; 95 } 96 #endif 97