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7114ceadd5
Heap debugging functions and log analysis script. svn path=/import/netsurf/; revision=1156
107 lines
4.0 KiB
C
107 lines
4.0 KiB
C
/** \file
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* Heap debugging functions (interface).
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*
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* Based on memdebug.h from curl (see below), with the following modifications:
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*
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* - renamed functions from curl_ to memdebug_
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* - added memdebug_strndup
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* - added guard bytes before and after each block to help detect overflows
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* - if a guard byte is corrupted during free, dumps the DA to file
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*/
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id: memdebug.h,v 1.1 2004/07/28 22:35:02 bursa Exp $
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***************************************************************************/
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#ifndef _MEMDEBUG_H_
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#define _MEMDEBUG_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#define logfile memdebug_debuglogfile
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extern FILE *logfile;
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/* memory functions */
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void *memdebug_malloc(size_t size, int line, const char *source);
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void *memdebug_calloc(size_t elements, size_t size, int line, const char *source);
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void *memdebug_realloc(void *ptr, size_t size, int line, const char *source);
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void memdebug_free(void *ptr, int line, const char *source);
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char *memdebug_strdup(const char *str, int line, const char *source);
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char *memdebug_strndup(const char *str, size_t size, int line, const char *source);
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void memdebug_memdebug(const char *logname);
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void memdebug_memlimit(long limit);
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/* file descriptor manipulators */
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int memdebug_socket(int domain, int type, int protocol, int line , const char *);
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int memdebug_sclose(int sockfd, int, const char *source);
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int memdebug_accept(int s, void *addr, void *addrlen,
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int line, const char *source);
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/* FILE functions */
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FILE *memdebug_fopen(const char *file, const char *mode, int line,
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const char *source);
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int memdebug_fclose(FILE *file, int line, const char *source);
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#ifndef MEMDEBUG_NODEFINES
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#undef strdup
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#define strdup(ptr) memdebug_strdup(ptr, __LINE__, __FILE__)
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#define strndup(ptr,size) memdebug_strndup(ptr, size, __LINE__, __FILE__)
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#define malloc(size) memdebug_malloc(size, __LINE__, __FILE__)
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#define calloc(nbelem,size) memdebug_calloc(nbelem, size, __LINE__, __FILE__)
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#define realloc(ptr,size) memdebug_realloc(ptr, size, __LINE__, __FILE__)
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#define free(ptr) memdebug_free(ptr, __LINE__, __FILE__)
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#define socket(domain,type,protocol)\
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memdebug_socket(domain,type,protocol,__LINE__,__FILE__)
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#undef accept /* for those with accept as a macro */
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#define accept(sock,addr,len)\
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memdebug_accept(sock,addr,len,__LINE__,__FILE__)
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#define getaddrinfo(host,serv,hint,res) \
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memdebug_getaddrinfo(host,serv,hint,res,__LINE__,__FILE__)
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#define getnameinfo(sa,salen,host,hostlen,serv,servlen,flags) \
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memdebug_getnameinfo(sa,salen,host,hostlen,serv,servlen,flags, __LINE__, \
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__FILE__)
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#define freeaddrinfo(data) \
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memdebug_freeaddrinfo(data,__LINE__,__FILE__)
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/* sclose is probably already defined, redefine it! */
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#undef sclose
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#define sclose(sockfd) memdebug_sclose(sockfd,__LINE__,__FILE__)
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/* ares-adjusted define: */
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#undef closesocket
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#define closesocket(sockfd) memdebug_sclose(sockfd,__LINE__,__FILE__)
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#undef fopen
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#define fopen(file,mode) memdebug_fopen(file,mode,__LINE__,__FILE__)
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#define fclose(file) memdebug_fclose(file,__LINE__,__FILE__)
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#endif /* MEMDEBUG_NODEFINES */
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#endif
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