1 /* $NetBSD: ctrace.c,v 1.15 2005/02/18 22:16:27 dsl 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 1.15 2005/02/18 22:16:27 dsl Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #ifdef DEBUG 42 #include <stdarg.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 46 #include <sys/time.h> 47 #include <string.h> 48 #include <stdlib.h> 49 50 #include "curses.h" 51 #include "curses_private.h" 52 53 #ifndef TFILE 54 #define TFILE "__curses.out" 55 #endif 56 57 static FILE *tracefp; /* Curses debugging file descriptor. */ 58 59 void 60 __CTRACE(const char *fmt,...) 61 { 62 struct timeval tv; 63 static int seencr = 1; 64 va_list ap; 65 66 if (tracefp == (void *)~0) 67 return; 68 if (tracefp == NULL) { 69 char *tf = getenv("CURSES_TRACE_FILE"); 70 if (!tf || strcmp( tf, "<none>")) 71 tracefp = fopen(tf ? tf : TFILE, "w"); 72 } 73 if (tracefp == NULL) { 74 tracefp = (void *)~0; 75 return; 76 } 77 gettimeofday(&tv, NULL); 78 if (seencr) { 79 gettimeofday(&tv, NULL); 80 (void) fprintf(tracefp, "%lu.%06lu: ", tv.tv_sec, tv.tv_usec); 81 } 82 va_start(ap, fmt); 83 (void) vfprintf(tracefp, fmt, ap); 84 seencr = (strchr(fmt, '\n') != NULL); 85 va_end(ap); 86 (void) fflush(tracefp); 87 } 88 #else 89 /* this kills the empty translation unit message from lint... */ 90 void 91 __cursesi_make_lint_shut_up_if_debug_not_defined(void); 92 93 void 94 __cursesi_make_lint_shut_up_if_debug_not_defined(void) 95 { 96 return; 97 } 98 #endif 99