2002-09-03 13:52:59 +02:00
|
|
|
/***************************************************************************
|
2004-06-24 09:43:48 +02:00
|
|
|
* _ _ ____ _
|
|
|
|
* Project ___| | | | _ \| |
|
|
|
|
* / __| | | | |_) | |
|
|
|
|
* | (__| |_| | _ <| |___
|
2000-10-09 13:11:43 +02:00
|
|
|
* \___|\___/|_| \_\_____|
|
|
|
|
*
|
2009-04-21 11:03:15 +02:00
|
|
|
* Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
|
2000-10-09 13:11:43 +02:00
|
|
|
*
|
2002-09-03 13:52:59 +02:00
|
|
|
* This software is licensed as described in the file COPYING, which
|
|
|
|
* you should have received as part of this distribution. The terms
|
|
|
|
* are also available at http://curl.haxx.se/docs/copyright.html.
|
2004-06-24 09:43:48 +02:00
|
|
|
*
|
2001-01-03 10:29:33 +01:00
|
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
|
|
* copies of the Software, and permit persons to whom the Software is
|
2002-09-03 13:52:59 +02:00
|
|
|
* furnished to do so, under the terms of the COPYING file.
|
2000-10-09 13:11:43 +02:00
|
|
|
*
|
2001-01-03 10:29:33 +01:00
|
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
|
|
* KIND, either express or implied.
|
2000-10-09 13:11:43 +02:00
|
|
|
*
|
2001-01-03 10:29:33 +01:00
|
|
|
* $Id$
|
2002-09-03 13:52:59 +02:00
|
|
|
***************************************************************************/
|
2000-10-09 13:11:43 +02:00
|
|
|
|
|
|
|
#include "setup.h"
|
|
|
|
|
2008-05-15 01:36:26 +02:00
|
|
|
#ifdef CURLDEBUG
|
2000-10-09 13:11:43 +02:00
|
|
|
#include <curl/curl.h>
|
2000-11-21 20:05:26 +01:00
|
|
|
|
2000-12-14 16:56:59 +01:00
|
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
|
|
#include <sys/socket.h>
|
|
|
|
#endif
|
|
|
|
|
2000-11-21 20:05:26 +01:00
|
|
|
#define _MPRINTF_REPLACE
|
|
|
|
#include <curl/mprintf.h>
|
2000-10-09 13:11:43 +02:00
|
|
|
#include "urldata.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <string.h>
|
2000-11-17 15:05:43 +01:00
|
|
|
#include <stdlib.h>
|
2000-10-09 13:11:43 +02:00
|
|
|
|
2000-12-19 14:35:23 +01:00
|
|
|
#ifdef HAVE_UNISTD_H
|
|
|
|
#include <unistd.h>
|
|
|
|
#endif
|
|
|
|
|
2004-01-29 14:56:45 +01:00
|
|
|
#define MEMDEBUG_NODEFINES /* don't redefine the standard functions */
|
2009-04-21 13:46:16 +02:00
|
|
|
#include "curl_memory.h"
|
2004-01-29 14:56:45 +01:00
|
|
|
#include "memdebug.h"
|
2000-12-14 16:56:59 +01:00
|
|
|
|
2002-02-28 13:18:15 +01:00
|
|
|
struct memdebug {
|
2004-03-08 12:33:49 +01:00
|
|
|
size_t size;
|
2007-08-08 12:37:07 +02:00
|
|
|
union {
|
|
|
|
double d;
|
|
|
|
void * p;
|
|
|
|
} mem[1];
|
2002-05-22 00:17:19 +02:00
|
|
|
/* I'm hoping this is the thing with the strictest alignment
|
|
|
|
* requirements. That also means we waste some space :-( */
|
2002-02-28 13:18:15 +01:00
|
|
|
};
|
|
|
|
|
2000-10-09 13:11:43 +02:00
|
|
|
/*
|
|
|
|
* Note that these debug functions are very simple and they are meant to
|
|
|
|
* remain so. For advanced analysis, record a log file and write perl scripts
|
|
|
|
* to analyze them!
|
|
|
|
*
|
|
|
|
* Don't use these with multithreaded test programs!
|
|
|
|
*/
|
|
|
|
|
2003-08-14 16:19:36 +02:00
|
|
|
#define logfile curl_debuglogfile
|
2006-11-05 13:42:50 +01:00
|
|
|
FILE *curl_debuglogfile = NULL;
|
|
|
|
static bool memlimit = FALSE; /* enable memory limit */
|
|
|
|
static long memsize = 0; /* set number of mallocs allowed */
|
2000-10-09 13:11:43 +02:00
|
|
|
|
|
|
|
/* this sets the log file name */
|
2001-08-14 11:24:48 +02:00
|
|
|
void curl_memdebug(const char *logname)
|
2000-10-09 13:11:43 +02:00
|
|
|
{
|
2007-11-07 10:21:35 +01:00
|
|
|
if(!logfile) {
|
2006-11-05 13:42:50 +01:00
|
|
|
if(logname)
|
|
|
|
logfile = fopen(logname, "w");
|
|
|
|
else
|
|
|
|
logfile = stderr;
|
2007-05-15 02:36:56 +02:00
|
|
|
#ifdef MEMDEBUG_LOG_SYNC
|
|
|
|
/* Flush the log file after every line so the log isn't lost in a crash */
|
|
|
|
setvbuf(logfile, (char *)NULL, _IOLBF, 0);
|
|
|
|
#endif
|
2006-11-05 13:42:50 +01:00
|
|
|
}
|
2000-10-09 13:11:43 +02:00
|
|
|
}
|
|
|
|
|
2003-08-14 16:19:36 +02:00
|
|
|
/* This function sets the number of malloc() calls that should return
|
|
|
|
successfully! */
|
|
|
|
void curl_memlimit(long limit)
|
|
|
|
{
|
2007-11-07 10:21:35 +01:00
|
|
|
if(!memlimit) {
|
2006-11-05 13:42:50 +01:00
|
|
|
memlimit = TRUE;
|
|
|
|
memsize = limit;
|
|
|
|
}
|
2003-08-14 16:19:36 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* returns TRUE if this isn't allowed! */
|
|
|
|
static bool countcheck(const char *func, int line, const char *source)
|
|
|
|
{
|
|
|
|
/* if source is NULL, then the call is made internally and this check
|
|
|
|
should not be made */
|
|
|
|
if(memlimit && source) {
|
|
|
|
if(!memsize) {
|
|
|
|
if(logfile && source)
|
|
|
|
fprintf(logfile, "LIMIT %s:%d %s reached memlimit\n",
|
|
|
|
source, line, func);
|
2004-05-05 08:57:04 +02:00
|
|
|
if(source)
|
|
|
|
fprintf(stderr, "LIMIT %s:%d %s reached memlimit\n",
|
|
|
|
source, line, func);
|
2007-02-16 19:19:35 +01:00
|
|
|
SET_ERRNO(ENOMEM);
|
2003-08-14 16:19:36 +02:00
|
|
|
return TRUE; /* RETURN ERROR! */
|
|
|
|
}
|
|
|
|
else
|
|
|
|
memsize--; /* countdown */
|
2004-06-24 09:43:48 +02:00
|
|
|
|
2003-08-14 16:19:36 +02:00
|
|
|
/* log the countdown */
|
|
|
|
if(logfile && source)
|
|
|
|
fprintf(logfile, "LIMIT %s:%d %ld ALLOCS left\n",
|
|
|
|
source, line, memsize);
|
2004-06-24 09:43:48 +02:00
|
|
|
|
2003-08-14 16:19:36 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return FALSE; /* allow this */
|
|
|
|
}
|
2000-10-09 13:11:43 +02:00
|
|
|
|
2002-02-28 13:18:15 +01:00
|
|
|
void *curl_domalloc(size_t wantedsize, int line, const char *source)
|
2000-10-09 13:11:43 +02:00
|
|
|
{
|
2002-02-28 13:37:05 +01:00
|
|
|
struct memdebug *mem;
|
2002-02-28 13:18:15 +01:00
|
|
|
size_t size;
|
|
|
|
|
2003-08-14 16:19:36 +02:00
|
|
|
if(countcheck("malloc", line, source))
|
|
|
|
return NULL;
|
|
|
|
|
2002-02-28 13:18:15 +01:00
|
|
|
/* alloc at least 64 bytes */
|
2002-02-28 13:37:05 +01:00
|
|
|
size = sizeof(struct memdebug)+wantedsize;
|
2002-02-28 13:18:15 +01:00
|
|
|
|
2009-04-21 11:03:15 +02:00
|
|
|
mem = (Curl_cmalloc)(size);
|
2002-02-28 13:37:05 +01:00
|
|
|
if(mem) {
|
2001-11-29 00:19:17 +01:00
|
|
|
/* fill memory with junk */
|
2002-02-28 13:37:05 +01:00
|
|
|
memset(mem->mem, 0xA5, wantedsize);
|
|
|
|
mem->size = wantedsize;
|
|
|
|
}
|
|
|
|
|
2002-02-28 13:18:15 +01:00
|
|
|
if(logfile && source)
|
2004-03-08 12:33:49 +01:00
|
|
|
fprintf(logfile, "MEM %s:%d malloc(%zd) = %p\n",
|
2004-05-05 15:41:54 +02:00
|
|
|
source, line, wantedsize, mem ? mem->mem : 0);
|
|
|
|
return (mem ? mem->mem : NULL);
|
2000-10-09 13:11:43 +02:00
|
|
|
}
|
|
|
|
|
2004-02-26 15:52:51 +01:00
|
|
|
void *curl_docalloc(size_t wanted_elements, size_t wanted_size,
|
|
|
|
int line, const char *source)
|
|
|
|
{
|
|
|
|
struct memdebug *mem;
|
|
|
|
size_t size, user_size;
|
|
|
|
|
|
|
|
if(countcheck("calloc", line, source))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
/* alloc at least 64 bytes */
|
|
|
|
user_size = wanted_size * wanted_elements;
|
|
|
|
size = sizeof(struct memdebug) + user_size;
|
|
|
|
|
2009-04-21 11:03:15 +02:00
|
|
|
mem = (Curl_cmalloc)(size);
|
2004-02-26 15:52:51 +01:00
|
|
|
if(mem) {
|
|
|
|
/* fill memory with zeroes */
|
|
|
|
memset(mem->mem, 0, user_size);
|
|
|
|
mem->size = user_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(logfile && source)
|
2008-09-04 20:59:05 +02:00
|
|
|
fprintf(logfile, "MEM %s:%d calloc(%zu,%zu) = %p\n",
|
2004-05-05 15:41:54 +02:00
|
|
|
source, line, wanted_elements, wanted_size, mem ? mem->mem : 0);
|
|
|
|
return (mem ? mem->mem : NULL);
|
2004-02-26 15:52:51 +01:00
|
|
|
}
|
|
|
|
|
2001-08-14 10:31:27 +02:00
|
|
|
char *curl_dostrdup(const char *str, int line, const char *source)
|
2000-10-09 13:11:43 +02:00
|
|
|
{
|
2000-11-17 16:31:45 +01:00
|
|
|
char *mem;
|
|
|
|
size_t len;
|
|
|
|
|
2007-02-21 20:03:20 +01:00
|
|
|
DEBUGASSERT(str != NULL);
|
2004-06-24 09:43:48 +02:00
|
|
|
|
2003-08-14 16:19:36 +02:00
|
|
|
if(countcheck("strdup", line, source))
|
|
|
|
return NULL;
|
|
|
|
|
2000-11-17 16:31:45 +01:00
|
|
|
len=strlen(str)+1;
|
2002-02-28 13:18:15 +01:00
|
|
|
|
|
|
|
mem=curl_domalloc(len, 0, NULL); /* NULL prevents logging */
|
2007-11-07 10:21:35 +01:00
|
|
|
if(mem)
|
|
|
|
memcpy(mem, str, len);
|
2002-02-28 13:18:15 +01:00
|
|
|
|
2001-10-17 14:33:35 +02:00
|
|
|
if(logfile)
|
2008-09-04 20:59:05 +02:00
|
|
|
fprintf(logfile, "MEM %s:%d strdup(%p) (%zu) = %p\n",
|
2001-10-17 14:33:35 +02:00
|
|
|
source, line, str, len, mem);
|
2002-02-28 13:37:05 +01:00
|
|
|
|
2000-10-09 13:11:43 +02:00
|
|
|
return mem;
|
|
|
|
}
|
|
|
|
|
2004-02-16 17:23:19 +01:00
|
|
|
/* We provide a realloc() that accepts a NULL as pointer, which then
|
|
|
|
performs a malloc(). In order to work with ares. */
|
2002-02-28 13:18:15 +01:00
|
|
|
void *curl_dorealloc(void *ptr, size_t wantedsize,
|
|
|
|
int line, const char *source)
|
2000-10-09 13:11:43 +02:00
|
|
|
{
|
2004-02-16 17:23:19 +01:00
|
|
|
struct memdebug *mem=NULL;
|
2002-02-28 13:37:05 +01:00
|
|
|
|
|
|
|
size_t size = sizeof(struct memdebug)+wantedsize;
|
2002-02-28 13:18:15 +01:00
|
|
|
|
2003-08-14 16:19:36 +02:00
|
|
|
if(countcheck("realloc", line, source))
|
|
|
|
return NULL;
|
|
|
|
|
2004-02-16 17:23:19 +01:00
|
|
|
if(ptr)
|
|
|
|
mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));
|
2002-02-28 13:18:15 +01:00
|
|
|
|
2009-04-21 11:03:15 +02:00
|
|
|
mem = (Curl_crealloc)(mem, size);
|
2001-10-17 14:33:35 +02:00
|
|
|
if(logfile)
|
2008-09-04 20:59:05 +02:00
|
|
|
fprintf(logfile, "MEM %s:%d realloc(%p, %zu) = %p\n",
|
2002-02-28 13:37:05 +01:00
|
|
|
source, line, ptr, wantedsize, mem?mem->mem:NULL);
|
|
|
|
|
|
|
|
if(mem) {
|
|
|
|
mem->size = wantedsize;
|
|
|
|
return mem->mem;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
2000-10-09 13:11:43 +02:00
|
|
|
}
|
|
|
|
|
2001-08-14 10:31:27 +02:00
|
|
|
void curl_dofree(void *ptr, int line, const char *source)
|
2000-10-09 13:11:43 +02:00
|
|
|
{
|
2002-02-28 13:37:05 +01:00
|
|
|
struct memdebug *mem;
|
|
|
|
|
2007-02-21 20:03:20 +01:00
|
|
|
DEBUGASSERT(ptr != NULL);
|
2003-12-16 15:08:53 +01:00
|
|
|
|
2002-02-28 13:37:05 +01:00
|
|
|
mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));
|
2000-11-17 16:31:45 +01:00
|
|
|
|
2002-02-28 13:37:05 +01:00
|
|
|
/* destroy */
|
|
|
|
memset(mem->mem, 0x13, mem->size);
|
2004-06-24 09:43:48 +02:00
|
|
|
|
2002-02-28 13:18:15 +01:00
|
|
|
/* free for real */
|
2004-05-11 13:30:23 +02:00
|
|
|
(Curl_cfree)(mem);
|
2000-11-17 16:31:45 +01:00
|
|
|
|
2001-10-17 14:33:35 +02:00
|
|
|
if(logfile)
|
|
|
|
fprintf(logfile, "MEM %s:%d free(%p)\n", source, line, ptr);
|
2000-10-09 13:11:43 +02:00
|
|
|
}
|
|
|
|
|
2004-01-29 14:56:45 +01:00
|
|
|
int curl_socket(int domain, int type, int protocol, int line,
|
|
|
|
const char *source)
|
2000-12-14 16:56:59 +01:00
|
|
|
{
|
2008-10-23 10:05:40 +02:00
|
|
|
int sockfd=socket(domain, type, protocol);
|
2003-11-13 08:33:51 +01:00
|
|
|
if(logfile && (sockfd!=-1))
|
2001-10-17 14:33:35 +02:00
|
|
|
fprintf(logfile, "FD %s:%d socket() = %d\n",
|
|
|
|
source, line, sockfd);
|
2000-12-14 16:56:59 +01:00
|
|
|
return sockfd;
|
|
|
|
}
|
|
|
|
|
2004-02-18 13:22:56 +01:00
|
|
|
int curl_accept(int s, void *saddr, void *saddrlen,
|
2001-08-14 10:31:27 +02:00
|
|
|
int line, const char *source)
|
2000-12-18 17:13:37 +01:00
|
|
|
{
|
2004-02-18 13:18:33 +01:00
|
|
|
struct sockaddr *addr = (struct sockaddr *)saddr;
|
2009-05-02 04:37:32 +02:00
|
|
|
curl_socklen_t *addrlen = (curl_socklen_t *)saddrlen;
|
2008-10-23 10:05:40 +02:00
|
|
|
int sockfd=accept(s, addr, addrlen);
|
2001-10-17 14:33:35 +02:00
|
|
|
if(logfile)
|
|
|
|
fprintf(logfile, "FD %s:%d accept() = %d\n",
|
|
|
|
source, line, sockfd);
|
2000-12-18 17:13:37 +01:00
|
|
|
return sockfd;
|
|
|
|
}
|
|
|
|
|
2009-10-28 21:30:23 +01:00
|
|
|
/* separate function to allow libcurl to mark a "faked" close */
|
2009-10-29 05:02:21 +01:00
|
|
|
void curl_mark_sclose(int sockfd, int line, const char *source)
|
2000-12-14 16:56:59 +01:00
|
|
|
{
|
2001-10-17 14:33:35 +02:00
|
|
|
if(logfile)
|
|
|
|
fprintf(logfile, "FD %s:%d sclose(%d)\n",
|
|
|
|
source, line, sockfd);
|
2009-10-28 21:30:23 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* this is our own defined way to close sockets on *ALL* platforms */
|
|
|
|
int curl_sclose(int sockfd, int line, const char *source)
|
|
|
|
{
|
|
|
|
int res=sclose(sockfd);
|
|
|
|
curl_mark_sclose(sockfd, line, source);
|
2001-01-05 11:11:41 +01:00
|
|
|
return res;
|
2000-12-14 16:56:59 +01:00
|
|
|
}
|
|
|
|
|
2001-08-14 10:31:27 +02:00
|
|
|
FILE *curl_fopen(const char *file, const char *mode,
|
|
|
|
int line, const char *source)
|
2000-12-19 14:23:54 +01:00
|
|
|
{
|
2008-10-23 10:05:40 +02:00
|
|
|
FILE *res=fopen(file, mode);
|
2001-10-17 14:33:35 +02:00
|
|
|
if(logfile)
|
2004-02-26 15:52:51 +01:00
|
|
|
fprintf(logfile, "FILE %s:%d fopen(\"%s\",\"%s\") = %p\n",
|
|
|
|
source, line, file, mode, res);
|
2000-12-19 14:23:54 +01:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2008-09-13 05:45:03 +02:00
|
|
|
#ifdef HAVE_FDOPEN
|
2007-06-28 13:11:29 +02:00
|
|
|
FILE *curl_fdopen(int filedes, const char *mode,
|
|
|
|
int line, const char *source)
|
|
|
|
{
|
2008-10-23 10:05:40 +02:00
|
|
|
FILE *res=fdopen(filedes, mode);
|
2007-06-28 13:11:29 +02:00
|
|
|
if(logfile)
|
|
|
|
fprintf(logfile, "FILE %s:%d fdopen(\"%d\",\"%s\") = %p\n",
|
|
|
|
source, line, filedes, mode, res);
|
|
|
|
return res;
|
|
|
|
}
|
2008-09-13 05:45:03 +02:00
|
|
|
#endif
|
2007-06-28 13:11:29 +02:00
|
|
|
|
2001-08-14 10:31:27 +02:00
|
|
|
int curl_fclose(FILE *file, int line, const char *source)
|
2000-12-19 14:23:54 +01:00
|
|
|
{
|
2002-03-08 16:31:44 +01:00
|
|
|
int res;
|
|
|
|
|
2007-02-21 20:03:20 +01:00
|
|
|
DEBUGASSERT(file != NULL);
|
2002-03-08 16:31:44 +01:00
|
|
|
|
2008-10-23 10:05:40 +02:00
|
|
|
res=fclose(file);
|
2001-10-17 14:33:35 +02:00
|
|
|
if(logfile)
|
|
|
|
fprintf(logfile, "FILE %s:%d fclose(%p)\n",
|
|
|
|
source, line, file);
|
2000-12-19 14:23:54 +01:00
|
|
|
return res;
|
|
|
|
}
|
2003-06-26 13:22:12 +02:00
|
|
|
#endif /* CURLDEBUG */
|