From 7114ceadd573d7e8c8bfe6be95a3cae379e5c27e Mon Sep 17 00:00:00 2001 From: James Bursa Date: Wed, 28 Jul 2004 22:35:02 +0000 Subject: [project @ 2004-07-28 22:35:02 by bursa] Heap debugging functions and log analysis script. svn path=/import/netsurf/; revision=1156 --- utils/memdebug.h | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 utils/memdebug.h (limited to 'utils/memdebug.h') diff --git a/utils/memdebug.h b/utils/memdebug.h new file mode 100644 index 000000000..bdf933cc3 --- /dev/null +++ b/utils/memdebug.h @@ -0,0 +1,106 @@ +/** \file + * Heap debugging functions (interface). + * + * Based on memdebug.h from curl (see below), with the following modifications: + * + * - renamed functions from curl_ to memdebug_ + * - added memdebug_strndup + * - added guard bytes before and after each block to help detect overflows + * - if a guard byte is corrupted during free, dumps the DA to file + */ + +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2004, Daniel Stenberg, , et al. + * + * 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. + * + * 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 + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + * $Id: memdebug.h,v 1.1 2004/07/28 22:35:02 bursa Exp $ + ***************************************************************************/ + +#ifndef _MEMDEBUG_H_ +#define _MEMDEBUG_H_ + +#include +#include +#include +#include +#include + +#define logfile memdebug_debuglogfile + +extern FILE *logfile; + +/* memory functions */ +void *memdebug_malloc(size_t size, int line, const char *source); +void *memdebug_calloc(size_t elements, size_t size, int line, const char *source); +void *memdebug_realloc(void *ptr, size_t size, int line, const char *source); +void memdebug_free(void *ptr, int line, const char *source); +char *memdebug_strdup(const char *str, int line, const char *source); +char *memdebug_strndup(const char *str, size_t size, int line, const char *source); +void memdebug_memdebug(const char *logname); +void memdebug_memlimit(long limit); + +/* file descriptor manipulators */ +int memdebug_socket(int domain, int type, int protocol, int line , const char *); +int memdebug_sclose(int sockfd, int, const char *source); +int memdebug_accept(int s, void *addr, void *addrlen, + int line, const char *source); + +/* FILE functions */ +FILE *memdebug_fopen(const char *file, const char *mode, int line, + const char *source); +int memdebug_fclose(FILE *file, int line, const char *source); + +#ifndef MEMDEBUG_NODEFINES + +#undef strdup +#define strdup(ptr) memdebug_strdup(ptr, __LINE__, __FILE__) +#define strndup(ptr,size) memdebug_strndup(ptr, size, __LINE__, __FILE__) +#define malloc(size) memdebug_malloc(size, __LINE__, __FILE__) +#define calloc(nbelem,size) memdebug_calloc(nbelem, size, __LINE__, __FILE__) +#define realloc(ptr,size) memdebug_realloc(ptr, size, __LINE__, __FILE__) +#define free(ptr) memdebug_free(ptr, __LINE__, __FILE__) + +#define socket(domain,type,protocol)\ + memdebug_socket(domain,type,protocol,__LINE__,__FILE__) +#undef accept /* for those with accept as a macro */ +#define accept(sock,addr,len)\ + memdebug_accept(sock,addr,len,__LINE__,__FILE__) + +#define getaddrinfo(host,serv,hint,res) \ + memdebug_getaddrinfo(host,serv,hint,res,__LINE__,__FILE__) +#define getnameinfo(sa,salen,host,hostlen,serv,servlen,flags) \ + memdebug_getnameinfo(sa,salen,host,hostlen,serv,servlen,flags, __LINE__, \ + __FILE__) +#define freeaddrinfo(data) \ + memdebug_freeaddrinfo(data,__LINE__,__FILE__) + +/* sclose is probably already defined, redefine it! */ +#undef sclose +#define sclose(sockfd) memdebug_sclose(sockfd,__LINE__,__FILE__) +/* ares-adjusted define: */ +#undef closesocket +#define closesocket(sockfd) memdebug_sclose(sockfd,__LINE__,__FILE__) + +#undef fopen +#define fopen(file,mode) memdebug_fopen(file,mode,__LINE__,__FILE__) +#define fclose(file) memdebug_fclose(file,__LINE__,__FILE__) + +#endif /* MEMDEBUG_NODEFINES */ + +#endif -- cgit v1.2.3