Files
86Box-fork/src/log.c
2021-07-04 17:40:39 +02:00

166 lines
3.0 KiB
C

/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* The handler of the new logging system.
*
*
*
* Authors: Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
*
* Copyright 2021 Miran Grca.
* Copyright 2021 Fred N. van Kempen.
*/
#include <inttypes.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <wchar.h>
#define HAVE_STDARG_H
#include <86box/86box.h>
#include <86box/config.h>
#include <86box/mem.h>
#include "cpu.h"
#include <86box/plat.h>
#include <86box/version.h>
#include <86box/log.h>
#ifndef RELEASE_BUILD
typedef struct
{
char buff[1024], *dev_name;
int seen, suppr_seen;
} log_t;
extern FILE *stdlog; /* file to log output to */
void
log_set_suppr_seen(void *priv, int suppr_seen)
{
log_t *log = (log_t *) priv;
log->suppr_seen = suppr_seen;
}
void
log_set_dev_name(void *priv, char *dev_name)
{
log_t *log = (log_t *) priv;
log->dev_name = dev_name;
}
static void
log_copy(log_t *log, char *dest, const char *src, size_t dest_size)
{
memset(dest, 0x00, dest_size * sizeof(char));
if (log && log->dev_name && strcmp(log->dev_name, "")) {
strcat(dest, log->dev_name);
strcat(dest, ": ");
}
strcat(dest, src);
}
/*
* Log something to the logfile or stdout.
*
* To avoid excessively-large logfiles because some
* module repeatedly logs, we keep track of what is
* being logged, and catch repeating entries.
*/
void
log_out(void *priv, const char *fmt, va_list ap)
{
log_t *log = (log_t *) priv;
char temp[1024], fmt2[1024];
if (log == NULL)
return;
if (strcmp(fmt, "") == 0)
return;
if (stdlog == NULL) {
if (log_path[0] != '\0') {
stdlog = plat_fopen(log_path, "w");
if (stdlog == NULL)
stdlog = stdout;
} else
stdlog = stdout;
}
vsprintf(temp, fmt, ap);
if (log->suppr_seen && ! strcmp(log->buff, temp))
log->seen++;
else {
if (log->suppr_seen && log->seen) {
log_copy(log, fmt2, "*** %d repeats ***\n", 1024);
fprintf(stdlog, fmt2, log->seen);
}
log->seen = 0;
strcpy(log->buff, temp);
log_copy(log, fmt2, temp, 1024);
fprintf(stdlog, fmt2, ap);
}
fflush(stdlog);
}
void
log_fatal(void *priv, const char *fmt, ...)
{
log_t *log = (log_t *) priv;
char temp[1024], fmt2[1024];
va_list ap;
if (log == NULL)
return;
va_start(ap, fmt);
log_copy(log, fmt2, fmt, 1024);
vsprintf(temp, fmt2, ap);
fatal_ex(fmt2, ap);
va_end(ap);
exit(-1);
}
void *
log_open(char *dev_name)
{
log_t *log = malloc(sizeof(log_t));
memset(log, 0, sizeof(log_t));
log->dev_name = dev_name;
log->suppr_seen = 1;
return (void *) log;
}
void
log_close(void *priv)
{
log_t *log = (log_t *) priv;
free(log);
}
#endif