76 lines
1.4 KiB
C
76 lines
1.4 KiB
C
/* $Id$ */
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#include "cm_log.h"
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#include "cm_string.h"
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#include <time.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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FILE* logfile;
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bool cm_do_log = false;
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#define LOGNAME_LENGTH 12
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void cm_force_log(const char* log) {
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time_t t = time(NULL);
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struct tm* tm = localtime(&t);
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char date[513];
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strftime(date, 512, "%a %b %d %H:%M:%S %Z %Y", tm);
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fprintf(logfile, "[%s] %s\n", date, log);
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fflush(logfile);
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}
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void cm_log(const char* name, const char* log, ...) {
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if(!cm_do_log) return;
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va_list args;
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va_start(args, log);
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char namebuf[LOGNAME_LENGTH + 1];
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memset(namebuf, '.', LOGNAME_LENGTH);
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namebuf[LOGNAME_LENGTH] = 0;
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int i;
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for(i = 0; name[i] != 0 && i < LOGNAME_LENGTH; i++) {
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namebuf[i] = name[i];
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}
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char* result = malloc(1);
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result[0] = 0;
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char cbuf[2];
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cbuf[1] = 0;
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for(i = 0; log[i] != 0; i++) {
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if(log[i] == '%') {
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i++;
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if(log[i] == 's') {
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char* tmp = result;
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char* c = va_arg(args, char*);
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result = cm_strcat(tmp, c == NULL ? "(null)" : c);
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free(tmp);
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} else if(log[i] == 'd') {
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int a = va_arg(args, int);
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char buf[128];
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sprintf(buf, "%d", a);
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char* tmp = result;
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result = cm_strcat(tmp, buf);
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free(tmp);
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}
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} else {
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cbuf[0] = log[i];
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char* tmp = result;
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result = cm_strcat(tmp, cbuf);
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free(tmp);
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}
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}
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fprintf(logfile, "%s %s\n", namebuf, result);
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va_end(args);
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free(result);
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}
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