/* $NetBSD: debugrm.c,v 1.4 2018/04/01 22:35:22 christos Exp $ */
/* $KAME: debugrm.c,v 1.6 2001/12/13 16:07:46 sakane Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#define NONEED_DRM
#include "config.h"
#include <sys/types.h>
#include <sys/param.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <err.h>
#include "debugrm.h"
#include "vmbuf.h" /* need to mask vmbuf.c functions. */
#define DRMLISTSIZE 1024
struct drm_list_t {
const void *ptr;
char msg[100];
};
static struct drm_list_t drmlist[DRMLISTSIZE];
static int drm_unknown;
static void DRM_add(const void *, const char *);
static void DRM_del(const void *);
static void DRM_setmsg(char *, size_t, const void *, size_t, const char *,
size_t, const char *);
void
DRM_init(void)
{
size_t i;
drm_unknown = 0;
for (i = 0; i < __arraycount(drmlist); i++)
drmlist[i].ptr = 0;
}
void
DRM_dump(void)
{
FILE *fp;
size_t i;
fp = fopen(DRMDUMPFILE, "w");
if (fp == NULL)
err(1, "fopen"); /*XXX*/
fprintf(fp, "drm_unknown=%d\n", drm_unknown);
for (i = 0; i < __arraycount(drmlist); i++) {
if (drmlist[i].ptr)
fprintf(fp, "%s\n", drmlist[i].msg);
}
fclose(fp);
}
static void
DRM_add(const void *p, const char *msg)
{
size_t i;
for (i = 0; i < __arraycount(drmlist); i++) {
if (!drmlist[i].ptr) {
drmlist[i].ptr = p;
strlcpy(drmlist[i].msg, msg, sizeof(drmlist[i].msg));
return;
}
}
}
static void
DRM_del(const void *p)
{
size_t i;
if (!p)
return;
for (i = 0; i < __arraycount(drmlist); i++) {
if (drmlist[i].ptr == p) {
drmlist[i].ptr = 0;
return;
}
}
drm_unknown++;
}
static void
DRM_setmsg(char *buf, size_t buflen, const void *ptr, size_t size,
const char *file, size_t line, const char *func)
{
time_t t;
struct tm *tm;
int len;
t = time(NULL);
tm = localtime(&t);
len = strftime(buf, buflen, "%Y/%m/%d:%T ", tm);
snprintf(buf + len, buflen - len, "%p %6d %s:%d:%s",
ptr, size, file, line, func);
}
void *
DRM_malloc(const char *file, size_t line, const char *func, size_t size)
{
void *p;
p = malloc(size);
if (p) {
char buf[1024];
DRM_setmsg(buf, sizeof(buf), p, size, file, line, func);
DRM_add(p, buf);
}
return p;
}
void *
DRM_calloc(const char *file, size_t line, const char *func, size_t number,
size_t size)
{
void *p;
p = calloc(number, size);
if (p) {
char buf[1024];
DRM_setmsg(buf, sizeof(buf), p, number * size, file, line, func);
DRM_add(p, buf);
}
return p;
}
void *
DRM_realloc(const char *file, size_t line, const char *func, void *ptr,
size_t size)
{
void *p;
p = realloc(ptr, size);
if (p) {
char buf[1024];
if (ptr && p != ptr) {
DRM_del(ptr);
DRM_setmsg(buf, sizeof(buf), p, size, file, line, func);
DRM_add(p, buf);
}
}
return p;
}
void
DRM_free(const char *file, size_t line, const char *func, void *ptr)
{
DRM_del(ptr);
free(ptr);
}
char *
DRM_strdup(const char *file, size_t line, const char *func, const char *str)
{
char *p;
p = strdup(str);
if (p) {
char buf[1024];
DRM_setmsg(buf, sizeof(buf), p, strlen(p), file, line, func);
DRM_add(p, buf);
}
return p;
}
/*
* mask vmbuf.c functions.
*/
void *
DRM_vmalloc(const char *file, size_t line, const char *func, size_t size)
{
void *p;
p = vmalloc(size);
if (p) {
char buf[1024];
DRM_setmsg(buf, sizeof(buf), p, size, file, line, func);
DRM_add(p, buf);
}
return p;
}
void *
DRM_vrealloc(const char *file, size_t line, const char *func, void *ptr,
size_t size)
{
void *p;
p = vrealloc(ptr, size);
if (p) {
char buf[1024];
if (ptr && p != ptr) {
DRM_del(ptr);
DRM_setmsg(buf, sizeof(buf), p, size, file, line, func);
DRM_add(p, buf);
}
}
return p;
}
void
DRM_vfree(const char *file, size_t line, const char *func, void *ptr)
{
DRM_del(ptr);
vfree(ptr);
}
void *
DRM_vdup(const char *file, size_t line, const char *func, void *ptr)
{
void *p;
p = vdup(ptr);
if (p) {
char buf[1024];
DRM_setmsg(buf, sizeof(buf), p, 0, file, line, func);
DRM_add(p, buf);
}
return p;
}