/* grow.h (emx+gcc) */

/* Growing arrays, growing buffers and string pools.

Copyright (c) 1993 Eberhard Mattes

This file is part of emxomf.

This module is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.  This module is distributed in
the hope that it will be useful, but WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.  See the GNU Library General Public License for
more details.  You should have received a copy of the GNU Library
General Public License along with this library; if not, write to the
Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

As a special exception, emxomf can be distributed with emx.  */

#define GROW_INIT   {0, 0, 0, 0, NULL}
#define BUFFER_INIT {0, 0, NULL}

struct grow
{
  int count;
  int alloc;
  int size;
  int inc;
  void **ptr;
};

struct buffer
{
  size_t size;
  size_t alloc;
  byte *buf;
};

/* Note: PTR is a pointer to a pointer */
void grow_init (struct grow *g, void *ptr, size_t size, int inc);
void grow_free (struct grow *g);
void grow_to (struct grow *g, int new_count);
void grow_by (struct grow *g, int inc);

void buffer_init (struct buffer *b);
void buffer_free (struct buffer *b);
void buffer_byte (struct buffer *b, byte x);
void buffer_word (struct buffer *b, word x);
void buffer_dword (struct buffer *b, dword x);
void buffer_mem (struct buffer *b, const void *mem, int len);
void buffer_nstr (struct buffer *b, const char *str);
void buffer_enc (struct buffer *b, const char *str);
void buffer_patch_word (struct buffer *b, int index, word x);

struct strpool *strpool_init (void);
void strpool_free (struct strpool *p);
const char *strpool_addn (struct strpool *p, const char *s, int len);
const char *strpool_add (struct strpool *p, const char *s);