File: dyn-string.h

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/* An abstract string datatype.
   Copyright (C) 1998, 1999, 2000, 2002, 2004 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, 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))


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));