1130803Smarcel/* An abstract string datatype.
2130803Smarcel   Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
3130803Smarcel   Contributed by Mark Mitchell (mark@markmitchell.com).
4130803Smarcel
5130803SmarcelThis file is part of GCC.
6130803Smarcel
7130803SmarcelGCC is free software; you can redistribute it and/or modify
8130803Smarcelit under the terms of the GNU General Public License as published by
9130803Smarcelthe Free Software Foundation; either version 2, or (at your option)
10130803Smarcelany later version.
11130803Smarcel
12130803SmarcelGCC is distributed in the hope that it will be useful,
13130803Smarcelbut WITHOUT ANY WARRANTY; without even the implied warranty of
14130803SmarcelMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15130803SmarcelGNU General Public License for more details.
16130803Smarcel
17130803SmarcelYou should have received a copy of the GNU General Public License
18130803Smarcelalong with GCC; see the file COPYING.  If not, write to
19130803Smarcelthe Free Software Foundation, 59 Temple Place - Suite 330,
20130803SmarcelBoston, MA 02111-1307, USA.  */
21130803Smarcel
22130803Smarcel
23130803Smarceltypedef struct dyn_string
24130803Smarcel{
25130803Smarcel  int allocated;	/* The amount of space allocated for the string.  */
26130803Smarcel  int length;		/* The actual length of the string.  */
27130803Smarcel  char *s;		/* The string itself, NUL-terminated.  */
28130803Smarcel}* dyn_string_t;
29130803Smarcel
30130803Smarcel/* The length STR, in bytes, not including the terminating NUL.  */
31130803Smarcel#define dyn_string_length(STR)                                          \
32130803Smarcel  ((STR)->length)
33130803Smarcel
34130803Smarcel/* The NTBS in which the contents of STR are stored.  */
35130803Smarcel#define dyn_string_buf(STR)                                             \
36130803Smarcel  ((STR)->s)
37130803Smarcel
38130803Smarcel/* Compare DS1 to DS2 with strcmp.  */
39130803Smarcel#define dyn_string_compare(DS1, DS2)                                    \
40130803Smarcel  (strcmp ((DS1)->s, (DS2)->s))
41130803Smarcel
42130803Smarcel
43130803Smarcelextern int dyn_string_init              PARAMS ((struct dyn_string *, int));
44130803Smarcelextern dyn_string_t dyn_string_new      PARAMS ((int));
45130803Smarcelextern void dyn_string_delete           PARAMS ((dyn_string_t));
46130803Smarcelextern char *dyn_string_release         PARAMS ((dyn_string_t));
47130803Smarcelextern dyn_string_t dyn_string_resize   PARAMS ((dyn_string_t, int));
48130803Smarcelextern void dyn_string_clear            PARAMS ((dyn_string_t));
49130803Smarcelextern int dyn_string_copy              PARAMS ((dyn_string_t, dyn_string_t));
50130803Smarcelextern int dyn_string_copy_cstr         PARAMS ((dyn_string_t, const char *));
51130803Smarcelextern int dyn_string_prepend           PARAMS ((dyn_string_t, dyn_string_t));
52130803Smarcelextern int dyn_string_prepend_cstr      PARAMS ((dyn_string_t, const char *));
53130803Smarcelextern int dyn_string_insert            PARAMS ((dyn_string_t, int,
54130803Smarcel						 dyn_string_t));
55130803Smarcelextern int dyn_string_insert_cstr       PARAMS ((dyn_string_t, int,
56130803Smarcel						 const char *));
57130803Smarcelextern int dyn_string_insert_char       PARAMS ((dyn_string_t, int, int));
58130803Smarcelextern int dyn_string_append            PARAMS ((dyn_string_t, dyn_string_t));
59130803Smarcelextern int dyn_string_append_cstr       PARAMS ((dyn_string_t, const char *));
60130803Smarcelextern int dyn_string_append_char       PARAMS ((dyn_string_t, int));
61130803Smarcelextern int dyn_string_substring         PARAMS ((dyn_string_t,
62130803Smarcel						 dyn_string_t, int, int));
63130803Smarcelextern int dyn_string_eq                PARAMS ((dyn_string_t, dyn_string_t));
64