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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
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* This file is part of the SSII project.
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* Copyright 2022 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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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 3 of the License, or
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* (at your option) any later version.
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include <usefull_macros.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include "motlog.h"
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static FILE *flog = NULL;
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static double time0 = 0.;
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int open_mot_log(const char *path){
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if(!path) return FALSE;
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flog = fopen(path, "a+");
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if(!flog){
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WARN("Can't open %s", path);
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return FALSE;
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}
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time0 = dtime();
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return TRUE;
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}
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void refresh_t0(){
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time0 = dtime();
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}
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void close_mot_log(){
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if(!flog) return;
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fclose(flog);
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flog = NULL;
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}
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int mot_log(int timestamp, const char *fmt, ...){
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if(!flog) return 0;
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int i = 0;
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// timestamp in milliseconds
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#ifdef EBUG
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red("Time: %10.2f\n", 1000.*(dtime() - time0));
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#endif
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if(timestamp) i += fprintf(flog, "%10.2f\t", 1000.*(dtime() - time0));
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va_list ar;
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va_start(ar, fmt);
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i += vfprintf(flog, fmt, ar);
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va_end(ar);
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fseek(flog, -1, SEEK_CUR);
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char c;
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ssize_t r = fread(&c, 1, 1, flog);
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if(1 == r){ // add '\n' if there was no newline
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if(c != '\n') i += fprintf(flog, "\n");
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}
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fflush(flog);
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return i;
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}
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