1/* An abstract string datatype.
2   Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
3   Contributed by Mark Mitchell (mark@markmitchell.com).
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA.  */
21
22
23typedef struct dyn_string
24{
25  int allocated;	/* The amount of space allocated for the string.  */
26  int length;		/* The actual length of the string.  */
27  char *s;		/* The string itself, NUL-terminated.  */
28}* dyn_string_t;
29
30/* The length STR, in bytes, not including the terminating NUL.  */
31#define dyn_string_length(STR)                                          \
32  ((STR)->length)
33
34/* The NTBS in which the contents of STR are stored.  */
35#define dyn_string_buf(STR)                                             \
36  ((STR)->s)
37
38/* Compare DS1 to DS2 with strcmp.  */
39#define dyn_string_compare(DS1, DS2)                                    \
40  (strcmp ((DS1)->s, (DS2)->s))
41
42
43extern int dyn_string_init              PARAMS ((struct dyn_string *, int));
44extern dyn_string_t dyn_string_new      PARAMS ((int));
45extern void dyn_string_delete           PARAMS ((dyn_string_t));
46extern char *dyn_string_release         PARAMS ((dyn_string_t));
47extern dyn_string_t dyn_string_resize   PARAMS ((dyn_string_t, int));
48extern void dyn_string_clear            PARAMS ((dyn_string_t));
49extern int dyn_string_copy              PARAMS ((dyn_string_t, dyn_string_t));
50extern int dyn_string_copy_cstr         PARAMS ((dyn_string_t, const char *));
51extern int dyn_string_prepend           PARAMS ((dyn_string_t, dyn_string_t));
52extern int dyn_string_prepend_cstr      PARAMS ((dyn_string_t, const char *));
53extern int dyn_string_insert            PARAMS ((dyn_string_t, int,
54						 dyn_string_t));
55extern int dyn_string_insert_cstr       PARAMS ((dyn_string_t, int,
56						 const char *));
57extern int dyn_string_insert_char       PARAMS ((dyn_string_t, int, int));
58extern int dyn_string_append            PARAMS ((dyn_string_t, dyn_string_t));
59extern int dyn_string_append_cstr       PARAMS ((dyn_string_t, const char *));
60extern int dyn_string_append_char       PARAMS ((dyn_string_t, int));
61extern int dyn_string_substring         PARAMS ((dyn_string_t,
62						 dyn_string_t, int, int));
63extern int dyn_string_eq                PARAMS ((dyn_string_t, dyn_string_t));
64