diff --git a/utils/memanalyze.pl b/utils/memanalyze.pl
new file mode 100755
index 000000000..57e107d11
--- /dev/null
+++ b/utils/memanalyze.pl
@@ -0,0 +1,380 @@
+#!/usr/bin/env perl
+#
+# Example input:
+#
+# MEM mprintf.c:1094 malloc(32) = e5718
+# MEM mprintf.c:1103 realloc(e5718, 64) = e6118
+# MEM sendf.c:232 free(f6520)
+
+my $mallocs=0;
+my $callocs=0;
+my $reallocs=0;
+my $strdups=0;
+my $showlimit;
+
+while(1) {
+    if($ARGV[0] eq "-v") {
+        $verbose=1;
+        shift @ARGV;
+    }
+    elsif($ARGV[0] eq "-t") {
+        $trace=1;
+        shift @ARGV;
+    }
+    elsif($ARGV[0] eq "-l") {
+        # only show what alloc that caused a memlimit failure
+        $showlimit=1;
+        shift @ARGV;
+    }
+    else {
+        last;
+    }
+}
+
+my $maxmem;
+
+sub newtotal {
+    my ($newtot)=@_;
+    # count a max here
+
+    if($newtot > $maxmem) {
+        $maxmem= $newtot;
+    }
+}
+
+my $file = $ARGV[0];
+
+if(! -f $file) {
+    print "Usage: memanalyze.pl [options] <dump file>\n",
+    "Options:\n",
+    " -l  memlimit failure displayed\n",
+    " -v  Verbose\n",
+    " -t  Trace\n";
+    exit;
+}
+
+open(FILE, "<$file");
+
+if($showlimit) {
+    while(<FILE>) {
+        if(/^LIMIT.*memlimit$/) {
+            print $_;
+            last;
+        }
+    }
+    close(FILE);
+    exit;
+}
+
+
+
+while(<FILE>) {
+    chomp $_;
+    $line = $_;
+
+    if($line =~ /^LIMIT ([^ ]*):(\d*) (.*)/) {
+        # new memory limit test prefix
+        my $i = $3;
+        my ($source, $linenum) = ($1, $2);
+        if($trace && ($i =~ /([^ ]*) reached memlimit/)) {
+            print "LIMIT: $1 returned error at $source:$linenum\n";
+        }
+    }
+    elsif($line =~ /^MEM ([^ ]*):(\d*) (.*)/) {
+        # generic match for the filename+linenumber
+        $source = $1;
+        $linenum = $2;
+        $function = $3;
+
+        if($function =~ /free\(0x([0-9a-f]*)/) {
+            $addr = $1;
+            if(!exists $sizeataddr{$addr}) {
+                print "FREE ERROR: No memory allocated: $line\n";
+            }
+            elsif(-1 == $sizeataddr{$addr}) {
+                print "FREE ERROR: Memory freed twice: $line\n";
+                print "FREE ERROR: Previously freed at: ".$getmem{$addr}."\n";
+            }
+            else {
+                $totalmem -= $sizeataddr{$addr};
+                if($trace) {
+                    print "FREE: malloc at ".$getmem{$addr}." is freed again at $source:$linenum\n";
+                    printf("FREE: %d bytes freed, left allocated: $totalmem bytes\n", $sizeataddr{$addr});
+                }
+
+                newtotal($totalmem);
+                $frees++;
+
+                $sizeataddr{$addr}=-1; # set -1 to mark as freed
+                $getmem{$addr}="$source:$linenum";
+
+            }
+        }
+        elsif($function =~ /malloc\((\d*)\) = 0x([0-9a-f]*)/) {
+            $size = $1;
+            $addr = $2;
+
+            if($sizeataddr{$addr}>0) {
+                # this means weeeeeirdo
+                print "Mixed debug compile, rebuild curl now\n";
+            }
+
+            $sizeataddr{$addr}=$size;
+            $totalmem += $size;
+
+            if($trace) {
+                print "MALLOC: malloc($size) at $source:$linenum",
+                " makes totally $totalmem bytes\n";
+            }
+
+            newtotal($totalmem);
+            $mallocs++;
+
+            $getmem{$addr}="$source:$linenum";
+        }
+        elsif($function =~ /calloc\((\d*),(\d*)\) = 0x([0-9a-f]*)/) {
+            $size = $1*$2;
+            $addr = $3;
+
+            $arg1 = $1;
+            $arg2 = $2;
+
+            if($sizeataddr{$addr}>0) {
+                # this means weeeeeirdo
+                print "Mixed debug compile, rebuild curl now\n";
+            }
+
+            $sizeataddr{$addr}=$size;
+            $totalmem += $size;
+
+            if($trace) {
+                print "CALLOC: calloc($arg1,$arg2) at $source:$linenum",
+                " makes totally $totalmem bytes\n";
+            }
+
+            newtotal($totalmem);
+            $callocs++;
+
+            $getmem{$addr}="$source:$linenum";
+        }
+        elsif($function =~ /realloc\(0x([0-9a-f]*), (\d*)\) = 0x([0-9a-f]*)/) {
+            $oldaddr = $1;
+            $newsize = $2;
+            $newaddr = $3;
+
+            $totalmem -= $sizeataddr{$oldaddr};
+            if($trace) {
+                printf("REALLOC: %d less bytes and ", $sizeataddr{$oldaddr});
+            }
+            $sizeataddr{$oldaddr}=0;
+
+            $totalmem += $newsize;
+            $sizeataddr{$newaddr}=$newsize;
+
+            if($trace) {
+                printf("%d more bytes ($source:$linenum)\n", $newsize);
+            }
+
+            newtotal($totalmem);
+            $reallocs++;
+
+            $getmem{$oldaddr}="";
+            $getmem{$newaddr}="$source:$linenum";
+        }
+        elsif($function =~ /strdup\(0x([0-9a-f]*)\) \((\d*)\) = 0x([0-9a-f]*)/) {
+            # strdup(a5b50) (8) = df7c0
+
+            $dup = $1;
+            $size = $2;
+            $addr = $3;
+            $getmem{$addr}="$source:$linenum";
+            $sizeataddr{$addr}=$size;
+
+            $totalmem += $size;
+
+            if($trace) {
+                printf("STRDUP: $size bytes at %s, makes totally: %d bytes\n",
+                       $getmem{$addr}, $totalmem);
+            }
+
+            newtotal($totalmem);
+            $strdups++;
+        }
+        elsif($function =~ /strndup\(0x([0-9a-f]*), (\d*)\) \((\d*)\) = 0x([0-9a-f]*)/) {
+            # strndup(a5b50, 20) (8) = df7c0
+
+            $dup = $1;
+	    $limit = $2;
+            $size = $3;
+            $addr = $4;
+            $getmem{$addr}="$source:$linenum";
+            $sizeataddr{$addr}=$size;
+
+            $totalmem += $size;
+
+            if($trace) {
+                printf("STRDUP: $size bytes at %s, makes totally: %d bytes\n",
+                       $getmem{$addr}, $totalmem);
+            }
+
+            newtotal($totalmem);
+            $strdups++;
+        }
+        else {
+            print "Not recognized input line: $function\n";
+        }
+    }
+    # FD url.c:1282 socket() = 5
+    elsif($_ =~ /^FD ([^ ]*):(\d*) (.*)/) {
+        # generic match for the filename+linenumber
+        $source = $1;
+        $linenum = $2;
+        $function = $3;
+
+        if($function =~ /socket\(\) = (\d*)/) {
+            $filedes{$1}=1;
+            $getfile{$1}="$source:$linenum";
+            $openfile++;
+        }
+        elsif($function =~ /accept\(\) = (\d*)/) {
+            $filedes{$1}=1;
+            $getfile{$1}="$source:$linenum";
+            $openfile++;
+        }
+        elsif($function =~ /sclose\((\d*)\)/) {
+            if($filedes{$1} != 1) {
+                print "Close without open: $line\n";
+            }
+            else {
+                $filedes{$1}=0; # closed now
+                $openfile--;
+            }
+        }
+    }
+    # FILE url.c:1282 fopen("blabla") = 0x5ddd
+    elsif($_ =~ /^FILE ([^ ]*):(\d*) (.*)/) {
+        # generic match for the filename+linenumber
+        $source = $1;
+        $linenum = $2;
+        $function = $3;
+
+        if($function =~ /fopen\(\"([^\"]*)\",\"([^\"]*)\"\) = (\(nil\)|0x([0-9a-f]*))/) {
+            if($3 eq "(nil)") {
+                ;
+            }
+            else {
+                $fopen{$4}=1;
+                $fopenfile{$4}="$source:$linenum";
+                $fopens++;
+            }
+        }
+        # fclose(0x1026c8)
+        elsif($function =~ /fclose\(0x([0-9a-f]*)\)/) {
+            if(!$fopen{$1}) {
+                print "fclose() without fopen(): $line\n";
+            }
+            else {
+                $fopen{$1}=0;
+                $fopens--;
+            }
+        }
+    }
+    # GETNAME url.c:1901 getnameinfo()
+    elsif($_ =~ /^GETNAME ([^ ]*):(\d*) (.*)/) {
+        # not much to do
+    }
+
+    # ADDR url.c:1282 getaddrinfo() = 0x5ddd
+    elsif($_ =~ /^ADDR ([^ ]*):(\d*) (.*)/) {
+        # generic match for the filename+linenumber
+        $source = $1;
+        $linenum = $2;
+        $function = $3;
+
+        if($function =~ /getaddrinfo\(\) = (\(nil\)|0x([0-9a-f]*))/) {
+            my $add = $2;
+            if($add eq "(nil)") {
+                ;
+            }
+            else {
+                $addrinfo{$add}=1;
+                $addrinfofile{$add}="$source:$linenum";
+                $addrinfos++;
+            }
+        }
+        # fclose(0x1026c8)
+        elsif($function =~ /freeaddrinfo\(0x([0-9a-f]*)\)/) {
+            if(!$addrinfo{$1}) {
+                print "freeaddrinfo() without getaddrinfo(): $line\n";
+            }
+            else {
+                $addrinfo{$1}=0;
+                $addrinfos--;
+            }
+        }
+
+
+    }
+    else {
+        print "Not recognized prefix line: $line\n";
+    }
+}
+close(FILE);
+
+if($totalmem) {
+    print "Leak detected: memory still allocated: $totalmem bytes\n";
+
+    for(keys %sizeataddr) {
+        $addr = $_;
+        $size = $sizeataddr{$addr};
+        if($size > 0) {
+            print "At $addr, there's $size bytes.\t";
+            print " allocated by ".$getmem{$addr}."\n";
+            $allocs{$getmem{$addr}}++;
+            $amount{$getmem{$addr}} += $size;
+        }
+    }
+
+    print "Summary by location of allocation:\n";
+    print "Allocs\tBytes\tLocation\n";
+    for (sort { $amount{$b} <=> $amount{$a} } keys %allocs) {
+        print "$allocs{$_}\t$amount{$_}\t$_\n";
+    }
+}
+
+if($openfile) {
+    for(keys %filedes) {
+        if($filedes{$_} == 1) {
+            print "Open file descriptor created at ".$getfile{$_}."\n";
+        }
+    }
+}
+
+if($fopens) {
+    print "Open FILE handles left at:\n";
+    for(keys %fopen) {
+        if($fopen{$_} == 1) {
+            print "fopen() called at ".$fopenfile{$_}."\n";
+        }
+    }
+}
+
+if($addrinfos) {
+    print "IPv6-style name resolve data left at:\n";
+    for(keys %addrinfofile) {
+        if($addrinfo{$_} == 1) {
+            print "getaddrinfo() called at ".$addrinfofile{$_}."\n";
+        }
+    }
+}
+
+if($verbose) {
+    print "Mallocs: $mallocs\n",
+    "Reallocs: $reallocs\n",
+    "Callocs: $callocs\n",
+    "Strdups:  $strdups\n",
+    "Frees: $frees\n",
+    "Allocations: ".($mallocs + $callocs + $reallocs + $strdups)."\n";
+
+    print "Maximum allocated: $maxmem\n";
+}
diff --git a/utils/memdebug.c b/utils/memdebug.c
new file mode 100644
index 000000000..312d66992
--- /dev/null
+++ b/utils/memdebug.c
@@ -0,0 +1,368 @@
+/** \file
+ * Heap debugging functions (implementation).
+ *
+ * Based on memdebug.c 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.c,v 1.1 2004/07/28 22:35:02 bursa Exp $
+ ***************************************************************************/
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/socket.h>
+
+#include "oslib/os.h"
+#include "oslib/osfile.h"
+
+#include "memdebug.h"
+
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+
+#define MAGIC 0x34343434
+#define GUARD 0x34
+
+extern int __dynamic_num;
+
+struct memdebug {
+  size_t size;
+  unsigned int magic;
+  double mem[1];
+  /* I'm hoping this is the thing with the strictest alignment
+   * requirements.  That also means we waste some space :-( */
+};
+
+/*
+ * 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!
+ */
+
+#define logfile memdebug_debuglogfile
+FILE *memdebug_debuglogfile;
+static bool memlimit; /* enable memory limit */
+static long memsize;  /* set number of mallocs allowed */
+
+/* this sets the log file name */
+void memdebug_memdebug(const char *logname)
+{
+  if(logname)
+    logfile = fopen(logname, "w");
+  else
+    logfile = stderr;
+}
+
+/* This function sets the number of malloc() calls that should return
+   successfully! */
+void memdebug_memlimit(long limit)
+{
+  memlimit = true;
+  memsize = limit;
+}
+
+/* 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);
+      if(source)
+        fprintf(stderr, "LIMIT %s:%d %s reached memlimit\n",
+                source, line, func);
+      return true; /* RETURN ERROR! */
+    }
+    else
+      memsize--; /* countdown */
+
+    /* log the countdown */
+    if(logfile && source)
+      fprintf(logfile, "LIMIT %s:%d %ld ALLOCS left\n",
+              source, line, memsize);
+
+  }
+
+  return false; /* allow this */
+}
+
+void *memdebug_malloc(size_t wantedsize, int line, const char *source)
+{
+  struct memdebug *mem;
+  size_t size;
+
+  if(countcheck("malloc", line, source))
+    return NULL;
+
+  /* alloc at least 64 bytes */
+  size = sizeof(struct memdebug)+wantedsize + 8;
+
+  mem=(struct memdebug *)(malloc)(size);
+  if(mem) {
+    unsigned int i;
+    /* fill memory with junk */
+    memset(mem->mem, 0xA5, wantedsize);
+    mem->size = wantedsize;
+    mem->magic = MAGIC;
+    for (i = 0; i != 8; i++)
+      ((char *) mem->mem)[wantedsize + i] = GUARD;
+  }
+
+  if(logfile && source)
+    fprintf(logfile, "MEM %s:%d malloc(%u) = %p\n",
+            source, line, wantedsize, mem ? mem->mem : 0);
+  return (mem ? mem->mem : NULL);
+}
+
+void *memdebug_calloc(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 + 8;
+
+  mem = (struct memdebug *)(malloc)(size);
+  if(mem) {
+    unsigned int i;
+    /* fill memory with zeroes */
+    memset(mem->mem, 0, user_size);
+    mem->size = user_size;
+    mem->magic = MAGIC;
+    for (i = 0; i != 8; i++)
+      ((char *) mem->mem)[mem->size + i] = GUARD;
+  }
+
+  if(logfile && source)
+    fprintf(logfile, "MEM %s:%d calloc(%u,%u) = %p\n",
+            source, line, wanted_elements, wanted_size, mem ? mem->mem : 0);
+  return (mem ? mem->mem : NULL);
+}
+
+char *memdebug_strdup(const char *str, int line, const char *source)
+{
+  char *mem;
+  size_t len;
+
+  assert(str != NULL);
+
+  if(countcheck("strdup", line, source))
+    return NULL;
+
+  len=strlen(str)+1;
+
+  mem=memdebug_malloc(len, 0, NULL); /* NULL prevents logging */
+  if (mem)
+  memcpy(mem, str, len);
+
+  if(logfile)
+    fprintf(logfile, "MEM %s:%d strdup(%p) (%u) = %p\n",
+            source, line, str, len, mem);
+
+  return mem;
+}
+
+char *memdebug_strndup(const char *str, size_t size, int line, const char *source)
+{
+  char *mem;
+  size_t len;
+
+  assert(str != NULL);
+
+  if(countcheck("strndup", line, source))
+    return NULL;
+
+  len=strlen(str)+1;
+  if (size < len - 1)
+    len = size + 1;
+
+  mem=memdebug_malloc(len, 0, NULL); /* NULL prevents logging */
+  if (mem) {
+  memcpy(mem, str, len);
+  mem[len - 1] = 0;
+  }
+
+  if(logfile)
+    fprintf(logfile, "MEM %s:%d strndup(%p, %d) (%u) = %p\n",
+            source, line, str, size, len, mem);
+
+  return mem;
+}
+
+/* We provide a realloc() that accepts a NULL as pointer, which then
+   performs a malloc(). In order to work with ares. */
+void *memdebug_realloc(void *ptr, size_t wantedsize,
+                     int line, const char *source)
+{
+  unsigned int i;
+  struct memdebug *mem=NULL;
+
+  size_t size = sizeof(struct memdebug)+wantedsize+8;
+
+  if(countcheck("realloc", line, source))
+    return NULL;
+
+  if(ptr) {
+    mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));
+  }
+
+  if(logfile) {
+    if (mem && mem->magic != MAGIC)
+      fprintf(logfile, "MAGIC match failed!\n");
+    for (i = 0; mem && i != 8; i++)
+      if (((char *) mem->mem)[mem->size + i] != GUARD)
+        fprintf(logfile, "GUARD %u match failed!\n", i);
+    fprintf(logfile, "MEM %s:%d realloc(%p, %u) = ",
+            source, line, ptr, wantedsize);
+    fflush(logfile);
+  }
+
+  mem=(struct memdebug *)(realloc)(mem, size);
+  if(logfile)
+    fprintf(logfile, "%p\n", mem?mem->mem:NULL);
+
+  if(mem) {
+    mem->size = wantedsize;
+    mem->magic = MAGIC;
+    for (i = 0; i != 8; i++)
+      ((char *) mem->mem)[wantedsize + i] = GUARD;
+    return mem->mem;
+  }
+
+  return NULL;
+}
+
+void memdebug_free(void *ptr, int line, const char *source)
+{
+  unsigned int i;
+  struct memdebug *mem;
+
+  if (!ptr)
+    return;
+
+  assert(ptr != NULL);
+
+  mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));
+  if(logfile) {
+    fprintf(logfile, "MEM %s:%d free(%p)\n", source, line, ptr);
+    if (mem->magic != MAGIC) {
+      fprintf(logfile, "MAGIC match failed!\n");
+      if (__dynamic_num != -1) {
+        int size;
+        byte *base_address;
+        xosdynamicarea_read(__dynamic_num, &size, &base_address,
+            0, 0, 0, 0, 0);
+        fprintf(logfile, "saving DA %i %p %x\n", __dynamic_num, base_address,
+            size);
+        xosfile_save("core", (bits) base_address, 0, base_address,
+            base_address + size);
+      }
+    }
+    fflush(logfile);
+    for (i = 0; i != 8; i++)
+      if (((char *) mem->mem)[mem->size + i] != GUARD)
+        fprintf(logfile, "GUARD %u match failed!\n", i);
+    fflush(logfile);
+  }
+
+  /* destroy  */
+  memset(mem->mem, 0x13, mem->size);
+  mem->magic = 0x13131313;
+  for (i = 0; i != 8; i++)
+    ((char *) mem->mem)[mem->size + i] = 0x13;
+
+  /* free for real */
+  (free)(mem);
+}
+
+int memdebug_socket(int domain, int type, int protocol, int line,
+                const char *source)
+{
+  int sockfd=(socket)(domain, type, protocol);
+  if(logfile && (sockfd!=-1))
+    fprintf(logfile, "FD %s:%d socket() = %d\n",
+            source, line, sockfd);
+  return sockfd;
+}
+
+int memdebug_accept(int s, void *saddr, void *saddrlen,
+                int line, const char *source)
+{
+  struct sockaddr *addr = (struct sockaddr *)saddr;
+  socklen_t *addrlen = (socklen_t *)saddrlen;
+  int sockfd=(accept)(s, addr, addrlen);
+  if(logfile)
+    fprintf(logfile, "FD %s:%d accept() = %d\n",
+            source, line, sockfd);
+  return sockfd;
+}
+
+/* this is our own defined way to close sockets on *ALL* platforms */
+int memdebug_sclose(int sockfd, int line, const char *source)
+{
+  int res=sclose(sockfd);
+  if(logfile)
+    fprintf(logfile, "FD %s:%d sclose(%d)\n",
+            source, line, sockfd);
+  return res;
+}
+
+FILE *memdebug_fopen(const char *file, const char *mode,
+                 int line, const char *source)
+{
+  FILE *res=(fopen)(file, mode);
+  if(logfile)
+    fprintf(logfile, "FILE %s:%d fopen(\"%s\",\"%s\") = %p\n",
+            source, line, file, mode, res);
+  return res;
+}
+
+int memdebug_fclose(FILE *file, int line, const char *source)
+{
+  int res;
+
+  assert(file != NULL);
+
+  res=(fclose)(file);
+  if(logfile)
+    fprintf(logfile, "FILE %s:%d fclose(%p)\n",
+            source, line, file);
+  return res;
+}
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, <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