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/* An abstract string datatype.

   Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.

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

This file is part of GNU CC.

GNU CC 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.

GNU CC 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 GNU CC; see the file COPYING.  If not, write to

the Free Software Foundation, 59 Temple Place - Suite 330,

Boston, MA 02111-1307, USA.  */

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))

/* dyn_string functions are used in the demangling implementation

   included in the G++ runtime library.  To prevent collisions with

   names in user programs, the functions that are used in the

   demangler are given implementation-reserved names.  */

#ifdef IN_LIBGCC2

#define dyn_string_init                 __cxa_dyn_string_init

#define dyn_string_new                  __cxa_dyn_string_new

#define dyn_string_delete               __cxa_dyn_string_delete

#define dyn_string_release              __cxa_dyn_string_release

#define dyn_string_resize               __cxa_dyn_string_resize

#define dyn_string_clear                __cxa_dyn_string_clear

#define dyn_string_copy                 __cxa_dyn_string_copy

#define dyn_string_copy_cstr            __cxa_dyn_string_copy_cstr

#define dyn_string_prepend              __cxa_dyn_string_prepend

#define dyn_string_prepend_cstr         __cxa_dyn_string_prepend_cstr

#define dyn_string_insert               __cxa_dyn_string_insert

#define dyn_string_insert_cstr          __cxa_dyn_string_insert_cstr

#define dyn_string_insert_char          __cxa_dyn_string_insert_char

#define dyn_string_append               __cxa_dyn_string_append

#define dyn_string_append_cstr          __cxa_dyn_string_append_cstr

#define dyn_string_append_char          __cxa_dyn_string_append_char

#define dyn_string_substring            __cxa_dyn_string_substring

#define dyn_string_eq                   __cxa_dyn_string_eq

#endif /* IN_LIBGCC2 */

extern int dyn_string_init              PARAMS ((struct dyn_string *, int));

extern dyn_string_t dyn_string_new      PARAMS ((int));

extern void dyn_string_delete           PARAMS ((dyn_string_t));

extern char *dyn_string_release         PARAMS ((dyn_string_t));

extern dyn_string_t dyn_string_resize   PARAMS ((dyn_string_t, int));

extern void dyn_string_clear            PARAMS ((dyn_string_t));

extern int dyn_string_copy              PARAMS ((dyn_string_t, dyn_string_t));

extern int dyn_string_copy_cstr         PARAMS ((dyn_string_t, const char *));

extern int dyn_string_prepend           PARAMS ((dyn_string_t, dyn_string_t));

extern int dyn_string_prepend_cstr      PARAMS ((dyn_string_t, const char *));

extern int dyn_string_insert            PARAMS ((dyn_string_t, int,

                                                 dyn_string_t));

extern int dyn_string_insert_cstr       PARAMS ((dyn_string_t, int,

                                                 const char *));

extern int dyn_string_insert_char       PARAMS ((dyn_string_t, int, int));

extern int dyn_string_append            PARAMS ((dyn_string_t, dyn_string_t));

extern int dyn_string_append_cstr       PARAMS ((dyn_string_t, const char *));

extern int dyn_string_append_char       PARAMS ((dyn_string_t, int));

extern int dyn_string_substring         PARAMS ((dyn_string_t,

                                                 dyn_string_t, int, int));

extern int dyn_string_eq                PARAMS ((dyn_string_t, dyn_string_t));