/* An abstract string datatype.

   Copyright (C) 1998-2018 Free Software Foundation, Inc.

   Contributed by Mark Mitchell (mark@markmitchell.com).

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GCC 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 General Public License for more details.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING.  If not, write to

the Free Software Foundation, 51 Franklin Street - Fifth Floor,

Boston, MA 02110-1301, USA.  */

#ifndef DYN_STRING_H

#define DYN_STRING_H

#ifdef __cplusplus

extern "C" {

#endif

typedef struct dyn_string

{

  int allocated;	/* The amount of space allocated for the string.  */

  int length;		/* The actual length of the string.  */

  char *s;		/* The string itself, NUL-terminated.  */

}* dyn_string_t;

/* The length STR, in bytes, not including the terminating NUL.  */

#define dyn_string_length(STR)                                          \

  ((STR)->length)

/* The NTBS in which the contents of STR are stored.  */

#define dyn_string_buf(STR)                                             \

  ((STR)->s)

/* Compare DS1 to DS2 with strcmp.  */

#define dyn_string_compare(DS1, DS2)                                    \

  (strcmp ((DS1)->s, (DS2)->s))

extern int dyn_string_init (struct dyn_string *, int);

extern dyn_string_t dyn_string_new (int);

extern void dyn_string_delete (dyn_string_t);

extern char *dyn_string_release (dyn_string_t);

extern dyn_string_t dyn_string_resize (dyn_string_t, int);

extern void dyn_string_clear (dyn_string_t);

extern int dyn_string_copy (dyn_string_t, dyn_string_t);

extern int dyn_string_copy_cstr (dyn_string_t, const char *);

extern int dyn_string_prepend (dyn_string_t, dyn_string_t);

extern int dyn_string_prepend_cstr (dyn_string_t, const char *);

extern int dyn_string_insert (dyn_string_t, int, dyn_string_t);

extern int dyn_string_insert_cstr (dyn_string_t, int, const char *);

extern int dyn_string_insert_char (dyn_string_t, int, int);

extern int dyn_string_append (dyn_string_t, dyn_string_t);

extern int dyn_string_append_cstr (dyn_string_t, const char *);

extern int dyn_string_append_char (dyn_string_t, int);

extern int dyn_string_substring (dyn_string_t,  dyn_string_t, int, int);

extern int dyn_string_eq (dyn_string_t, dyn_string_t);

#ifdef __cplusplus

}

#endif

#endif /* !defined (DYN_STRING_H) */