mirror of
https://github.com/netsurf-browser/netsurf
synced 2025-01-05 10:34:23 +03:00
removed unsuded memdebug utilities
This commit is contained in:
parent
5a312946c5
commit
12ff7a47f4
@ -138,8 +138,8 @@ nserror netsurf_init(int *pargc,
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* way of determining the cause of the SIGPIPE (other than using
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* way of determining the cause of the SIGPIPE (other than using
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* sigaction() and some mechanism for getting the file descriptor
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* sigaction() and some mechanism for getting the file descriptor
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* out of libcurl). However, we expect nothing else to generate a
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* out of libcurl). However, we expect nothing else to generate a
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* SIGPIPE, anyway, so may as well just ignore them all. */
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* SIGPIPE, anyway, so may as well just ignore them all.
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*/
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signal(SIGPIPE, SIG_IGN);
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signal(SIGPIPE, SIG_IGN);
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#endif
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#endif
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@ -152,9 +152,6 @@ nserror netsurf_init(int *pargc,
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if (ret != NSERROR_OK)
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if (ret != NSERROR_OK)
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return ret;
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return ret;
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#ifdef _MEMDEBUG_H_
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memdebug_memdebug("memdump");
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#endif
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LOG(("version '%s'", netsurf_version));
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LOG(("version '%s'", netsurf_version));
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if (uname(&utsname) < 0)
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if (uname(&utsname) < 0)
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LOG(("Failed to extract machine information"));
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LOG(("Failed to extract machine information"));
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381
utils/memdebug.c
381
utils/memdebug.c
@ -1,381 +0,0 @@
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/** \file
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* Heap debugging functions (implementation).
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*
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* Based on memdebug.c 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.c,v 1.1 2004/07/28 22:35:02 bursa Exp $
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***************************************************************************/
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#include <assert.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#ifdef riscos
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#include <unixlib/local.h>
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#include "oslib/os.h"
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#include "oslib/osfile.h"
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#endif
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#include "memdebug.h"
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#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
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#define MAGIC 0x34343434
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#define GUARD 0x34
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#if defined(riscos) && !defined(__ELF__)
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extern int __dynamic_num;
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#endif
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struct memdebug {
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size_t size;
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unsigned int magic;
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double mem[1];
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/* I'm hoping this is the thing with the strictest alignment
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* requirements. That also means we waste some space :-( */
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};
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/*
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* Note that these debug functions are very simple and they are meant to
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* remain so. For advanced analysis, record a log file and write perl scripts
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* to analyze them!
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*
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* Don't use these with multithreaded test programs!
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*/
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#define logfile memdebug_debuglogfile
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FILE *memdebug_debuglogfile;
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static bool memlimit; /* enable memory limit */
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static long memsize; /* set number of mallocs allowed */
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/* this sets the log file name */
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void memdebug_memdebug(const char *logname)
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{
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if(logname)
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logfile = fopen(logname, "w");
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else
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logfile = stderr;
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}
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/* This function sets the number of malloc() calls that should return
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successfully! */
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void memdebug_memlimit(long limit)
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{
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memlimit = true;
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memsize = limit;
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}
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/* returns true if this isn't allowed! */
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static bool countcheck(const char *func, int line, const char *source)
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{
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/* if source is NULL, then the call is made internally and this check
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should not be made */
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if(memlimit && source) {
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if(!memsize) {
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if(logfile && source)
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fprintf(logfile, "LIMIT %s:%d %s reached memlimit\n",
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source, line, func);
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if(source)
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fprintf(stderr, "LIMIT %s:%d %s reached memlimit\n",
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source, line, func);
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return true; /* RETURN ERROR! */
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}
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else
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memsize--; /* countdown */
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/* log the countdown */
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if(logfile && source)
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fprintf(logfile, "LIMIT %s:%d %ld ALLOCS left\n",
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source, line, memsize);
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}
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return false; /* allow this */
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}
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void *memdebug_malloc(size_t wantedsize, int line, const char *source)
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{
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struct memdebug *mem;
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size_t size;
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if(countcheck("malloc", line, source))
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return NULL;
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/* alloc at least 64 bytes */
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size = sizeof(struct memdebug)+wantedsize + 8;
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mem=(struct memdebug *)(malloc)(size);
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if(mem) {
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unsigned int i;
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/* fill memory with junk */
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memset(mem->mem, 0xA5, wantedsize);
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mem->size = wantedsize;
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mem->magic = MAGIC;
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for (i = 0; i != 8; i++)
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((char *) mem->mem)[wantedsize + i] = GUARD;
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}
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if(logfile && source)
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fprintf(logfile, "MEM %s:%d malloc(%zu) = %p\n",
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source, line, wantedsize, mem ? mem->mem : 0);
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return (mem ? mem->mem : NULL);
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}
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void *memdebug_calloc(size_t wanted_elements, size_t wanted_size,
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int line, const char *source)
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{
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struct memdebug *mem;
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size_t size, user_size;
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if(countcheck("calloc", line, source))
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return NULL;
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/* alloc at least 64 bytes */
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user_size = wanted_size * wanted_elements;
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size = sizeof(struct memdebug) + user_size + 8;
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mem = (struct memdebug *)(malloc)(size);
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if(mem) {
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unsigned int i;
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/* fill memory with zeroes */
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memset(mem->mem, 0, user_size);
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mem->size = user_size;
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mem->magic = MAGIC;
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for (i = 0; i != 8; i++)
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((char *) mem->mem)[mem->size + i] = GUARD;
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}
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if(logfile && source)
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fprintf(logfile, "MEM %s:%d calloc(%zu,%zu) = %p\n",
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source, line, wanted_elements, wanted_size, mem ? mem->mem : 0);
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return (mem ? mem->mem : NULL);
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}
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char *memdebug_strdup(const char *str, int line, const char *source)
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{
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char *mem;
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size_t len;
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assert(str != NULL);
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if(countcheck("strdup", line, source))
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return NULL;
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len=strlen(str)+1;
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mem=memdebug_malloc(len, 0, NULL); /* NULL prevents logging */
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if (mem)
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memcpy(mem, str, len);
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if(logfile)
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fprintf(logfile, "MEM %s:%d strdup(%p) (%zu) = %p\n",
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source, line, str, len, mem);
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return mem;
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}
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char *memdebug_strndup(const char *str, size_t size, int line, const char *source)
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{
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char *mem;
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size_t len;
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assert(str != NULL);
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if(countcheck("strndup", line, source))
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return NULL;
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len=strlen(str)+1;
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if (size < len - 1)
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len = size + 1;
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mem=memdebug_malloc(len, 0, NULL); /* NULL prevents logging */
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if (mem) {
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memcpy(mem, str, len);
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mem[len - 1] = 0;
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}
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if(logfile)
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fprintf(logfile, "MEM %s:%d strndup(%p, %zd) (%zu) = %p\n",
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source, line, str, size, len, mem);
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return mem;
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}
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/* We provide a realloc() that accepts a NULL as pointer, which then
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performs a malloc(). In order to work with ares. */
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void *memdebug_realloc(void *ptr, size_t wantedsize,
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int line, const char *source)
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{
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unsigned int i;
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struct memdebug *mem=NULL;
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size_t size = sizeof(struct memdebug)+wantedsize+8;
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if(countcheck("realloc", line, source))
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return NULL;
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if(ptr) {
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mem = (struct memdebug *)(void *)
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((char *)ptr - offsetof(struct memdebug, mem));
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}
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if(logfile) {
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if (mem && mem->magic != MAGIC)
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fprintf(logfile, "MAGIC match failed!\n");
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for (i = 0; mem && i != 8; i++)
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if (((char *) mem->mem)[mem->size + i] != GUARD)
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fprintf(logfile, "GUARD %u match failed!\n", i);
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fprintf(logfile, "MEM %s:%d realloc(%p, %zu) = ",
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source, line, ptr, wantedsize);
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fflush(logfile);
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}
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mem=(struct memdebug *)(realloc)(mem, size);
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if(logfile)
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fprintf(logfile, "%p\n", mem?mem->mem:NULL);
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if(mem) {
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mem->size = wantedsize;
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mem->magic = MAGIC;
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for (i = 0; i != 8; i++)
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((char *) mem->mem)[wantedsize + i] = GUARD;
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return mem->mem;
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}
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return NULL;
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}
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void memdebug_free(void *ptr, int line, const char *source)
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{
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unsigned int i;
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struct memdebug *mem;
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if (!ptr)
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return;
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assert(ptr != NULL);
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mem = (struct memdebug *)(void *)
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((char *)ptr - offsetof(struct memdebug, mem));
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if(logfile) {
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fprintf(logfile, "MEM %s:%d free(%p)\n", source, line, ptr);
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if (mem->magic != MAGIC) {
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fprintf(logfile, "MAGIC match failed!\n");
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#ifdef riscos
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#ifndef __ELF__
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if (__dynamic_num != -1) {
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int size;
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byte *base_address;
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xosdynamicarea_read(__dynamic_num, &size, &base_address,
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0, 0, 0, 0, 0);
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fprintf(logfile, "saving DA %i %p %x\n", __dynamic_num, base_address,
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size);
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xosfile_save("core", (bits) base_address, 0, base_address,
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base_address + size);
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}
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#else
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__unixlib_write_coredump(NULL);
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#endif
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#endif
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}
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fflush(logfile);
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for (i = 0; i != 8; i++)
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if (((char *) mem->mem)[mem->size + i] != GUARD)
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fprintf(logfile, "GUARD %u match failed!\n", i);
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fflush(logfile);
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}
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/* destroy */
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memset(mem->mem, 0x13, mem->size);
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mem->magic = 0x13131313;
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for (i = 0; i != 8; i++)
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((char *) mem->mem)[mem->size + i] = 0x13;
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/* free for real */
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(free)(mem);
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}
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int memdebug_socket(int domain, int type, int protocol, int line,
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const char *source)
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{
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int sockfd=(socket)(domain, type, protocol);
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if(logfile && (sockfd!=-1))
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fprintf(logfile, "FD %s:%d socket() = %d\n",
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source, line, sockfd);
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return sockfd;
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}
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int memdebug_accept(int s, void *saddr, void *saddrlen,
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int line, const char *source)
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{
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struct sockaddr *addr = (struct sockaddr *)saddr;
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socklen_t *addrlen = (socklen_t *)saddrlen;
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int sockfd=(accept)(s, addr, addrlen);
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if(logfile)
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fprintf(logfile, "FD %s:%d accept() = %d\n",
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source, line, sockfd);
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return sockfd;
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}
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/* this is our own defined way to close sockets on *ALL* platforms */
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int memdebug_sclose(int sockfd, int line, const char *source)
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{
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int res=sclose(sockfd);
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if(logfile)
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fprintf(logfile, "FD %s:%d sclose(%d)\n",
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source, line, sockfd);
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return res;
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}
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FILE *memdebug_fopen(const char *file, const char *mode,
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int line, const char *source)
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{
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FILE *res=(fopen)(file, mode);
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if(logfile)
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fprintf(logfile, "FILE %s:%d fopen(\"%s\",\"%s\") = %p\n",
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source, line, file, mode, res);
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return res;
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}
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int memdebug_fclose(FILE *file, int line, const char *source)
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{
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int res;
|
|
||||||
|
|
||||||
assert(file != NULL);
|
|
||||||
|
|
||||||
res=(fclose)(file);
|
|
||||||
if(logfile)
|
|
||||||
fprintf(logfile, "FILE %s:%d fclose(%p)\n",
|
|
||||||
source, line, file);
|
|
||||||
return res;
|
|
||||||
}
|
|
106
utils/memdebug.h
106
utils/memdebug.h
@ -1,106 +0,0 @@
|
|||||||
/** \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, <daniel@haxx.se>, 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 <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include <sys/socket.h>
|
|
||||||
#include <sys/types.h>
|
|
||||||
|
|
||||||
#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
|
|
Loading…
Reference in New Issue
Block a user