more fancy alloc, we store the size in each allocated block so that we

void *curl_domalloc(size_t wantedsize, int line, const char *source)

{

  void *mem;

  struct memdebug *mem;

  size_t size;

  /* alloc at least 64 bytes */

  size = wantedsize>64?wantedsize:64;

  size = sizeof(struct memdebug)+wantedsize;

  mem=(malloc)(size);

  if(mem)

  mem=(struct memdebug *)(malloc)(size);

  if(mem) {

    /* fill memory with junk */

    memset(mem, 0xA5, size);

    memset(mem->mem, 0xA5, wantedsize);

    mem->size = wantedsize;

  }

  if(logfile && source)

    fprintf(logfile, "MEM %s:%d malloc(%d) = %p\n",

            source, line, wantedsize, mem);

  return mem;

            source, line, wantedsize, mem->mem);

  return mem->mem;

}

char *curl_dostrdup(const char *str, int line, const char *source)

  if(logfile)

    fprintf(logfile, "MEM %s:%d strdup(%p) (%d) = %p\n",

            source, line, str, len, mem);

  return mem;

}

void *curl_dorealloc(void *ptr, size_t wantedsize,

                     int line, const char *source)

{

  void *mem;

  struct memdebug *mem;

  size_t size = sizeof(struct memdebug)+wantedsize;

  size_t size = wantedsize>64?wantedsize:64;

  mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));

  mem=(realloc)(ptr, size);

  mem=(struct memdebug *)(realloc)(mem, size);

  if(logfile)

    fprintf(logfile, "MEM %s:%d realloc(%p, %d) = %p\n",

            source, line, ptr, wantedsize, mem);

  return mem;

            source, line, ptr, wantedsize, mem?mem->mem:NULL);

  if(mem) {

    mem->size = wantedsize;

    return mem->mem;

  }

  return NULL;

}

void curl_dofree(void *ptr, int line, const char *source)

{

  struct memdebug *mem;

  if(NULL == ptr) {

    fprintf(stderr, "ILLEGAL free() on NULL at %s:%d\n",

            source, line);

    exit(2);

  }

  /* we know this is least 64 bytes, destroy this much */

  memset(ptr, 0x13, 64);

  mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));

  /* destroy  */

  memset(mem->mem, 0x13, mem->size);

  /* free for real */

  (free)(ptr);

  (free)(mem);

  if(logfile)

    fprintf(logfile, "MEM %s:%d free(%p)\n", source, line, ptr);