139 lines
3.0 KiB
C
139 lines
3.0 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Tracing functions.
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*
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* Copyright 1999 Gonzalo Diethelm <gonzalo.diethelm@iname.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "hbtrace.h"
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char * hb_tr_file_ = "";
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int hb_tr_line_ = 0;
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int hb_tr_level_ = 0;
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static FILE* hb_tr_fp_ = 0;
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static char* slevel[HB_TR_LAST] =
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{
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"HB_TR_ALWAYS",
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"HB_TR_FATAL",
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"HB_TR_ERROR",
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"HB_TR_WARNING",
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"HB_TR_INFO",
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"HB_TR_DEBUG"
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};
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void hb_tr_trace( char * fmt, ... )
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{
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int i;
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va_list ap;
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/*
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* Clean up the file, so that instead of showing
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*
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* ../../../foo/bar/baz.c
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*
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* we just show
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*
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* foo/bar/baz.c
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*/
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for (i = 0; hb_tr_file_[i] != '\0'; ++i) {
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if (hb_tr_file_[i] != '.' &&
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hb_tr_file_[i] != '/' &&
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hb_tr_file_[i] != '\\')
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break;
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}
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/*
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* Print file and line.
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*/
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fprintf(hb_tr_fp_, "%s:%d: %s ",
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hb_tr_file_ + i, hb_tr_line_, slevel[hb_tr_level_]);
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/*
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* Print the name and arguments for the function.
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*/
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va_start(ap, fmt);
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vfprintf(hb_tr_fp_, fmt, ap);
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va_end(ap);
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/*
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* Print a new-line.
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*/
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fprintf(hb_tr_fp_, "\n");
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/*
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* Reset file and line.
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*/
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hb_tr_file_ = "";
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hb_tr_line_ = -1;
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hb_tr_level_ = -1;
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}
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int hb_tr_level(void)
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{
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static int level = -1;
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int i;
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char* env;
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char* out;
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if (level != -1) {
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return level;
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}
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hb_tr_fp_ = stderr;
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out = getenv("HB_TR_OUTPUT");
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if (out != 0 && out[0] != '\0') {
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hb_tr_fp_ = fopen(out, "w");
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if (hb_tr_fp_ == NULL) {
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hb_tr_fp_ = stderr;
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}
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}
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env = getenv("HB_TR_LEVEL");
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if (env == 0 || env[0] == '\0') {
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level = HB_TR_DEFAULT;
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}
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else {
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for (i = 0; i < HB_TR_LAST; ++i) {
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if (strcmp(env, slevel[i]) == 0) {
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level = i;
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break;
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}
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}
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}
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return level;
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}
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